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The new place name signs can shine when the sky is dark, and it can be seen that the sky is dark again.
In the evening, visitors to a strange neighborhood are not able to see the nameplate on the wall. It is believed that many people have encountered such annoyance. However, whenever the sky becomes dark, the signs on the facades of each building of the Hangzhou Liulang New Garden will begin to shine, and the few people who see it are crystal clear.
This is a new type of place name sign that is being tested in the upper city name. It is powered by solar energy. In this way, no matter how dark the sky is, residents can clearly see that the house is a few buildings.
Liulang Xinyuan has 9 buildings on each side of the house, a total of 18 blocks. Each piece is about 90 cm long and about 50 cm wide. Above each sign, there is a solar panel, and the place name sign can shine on it. During the day, it absorbs sunlight, and then converts it into electricity. It is stored in its own battery. When the sky is dark, the LED light module installed in this brand can automatically shine through the stored energy.
This type of name tag can automatically sense the brightness of the surrounding environment and adjust itself. For example, before the thunderstorm, the dark time lasts 30 seconds and it will light up; otherwise, if it senses that the sky is bright, it will exceed 30 seconds. , it will turn off the LED light module.
In case there is no sun for a few days under a single rain, will the name signage not light up? The staff said that this need not be worried because the battery can be used for one month. If there is no sunlight for several days, the battery's power can be maintained for a period of time. And it can tolerate high temperatures of 45°C and low temperatures of minus 30°C.
Jiang Zhilong, director of the Shangcheng District Placement Office, told reporters that at present, such landmarks and signs are still in the trial phase. If they are effective, they will be considered for promotion. (Reporter Sun Jingjing)
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