With the development of science and technology, more and more new energy vehicles are put into use, and charging cars are the most typical products. Most of the recharging vehicles use electric energy. Although the fuel-efficient cars have already saved a lot of energy compared to oil-fired vehicles, they will also cause power shortages to a certain extent. Therefore, solar cars have been introduced in the market, and solar energy is better utilized. Renewable Energy. If a solar car needs to be charged to a special charging station, what are the locations of solar car charging stations in China? Domestic solar car charging stations mainly include: 1. Jiaxing, Zhejiang. The charging station was built in 2014. In addition to solar charging, there are wind power charging, ordinary charging and other methods, which can achieve the ability to continuously charge electric vehicles for 24 hours. 2. Shanghai Songjiang. The charging station was built for use in the public area in December 2014, mainly for solar photovoltaic charging. If the weather is not good, the solar energy will be cut into the grid power supply automatically if the solar energy is not good. 3, Dongguan, Guangdong. The charging station is the first solar charging station in Guangdong. It consists of a solar charging system and an ordinary charging system. It covers a relatively large area and meets a variety of charging requirements. It is still under construction. 4, Jiangxi Yichun. The charging station has been built and used since 2010. It is the highest solar charging station in the country. It can simultaneously realize the capacity for charging 8 electric vehicles and achieve 24 hours charging. 5, Beijing. The charging station has been put into use since the beginning of 2015. There are a total of 100 charging piles, including the underground charging mode. The number of charging stations can meet the requirements of multiple electric vehicles charging at the same time. There are two ways: fast charging and slow charging. Fast enough for an electric car can be fully charged in 20 minutes. Compared to developed countries, the current number of solar car charging stations in China is relatively small, which also limits the development of solar cars to some extent.
The inlaid spiral finned tube is to pre-process the spiral groove of a certain width and depth on the steel pipe, and then inlay the steel strip on the steel pipe on the lathe. During the winding process, due to a certain pre-tightening force, the finned tube steel strip will be tightly clamped in the spiral groove, thus ensuring a certain contact area between the steel strip and the steel tube. In order to prevent the steel strip from springing back and falling off, both ends of the steel strip should be welded to the steel pipe.
In order to facilitate inlaying, there should be a certain side clearance between the steel strip and the spiral groove. If the side clearance is too small and interference is formed, it will be difficult for the mosaic process to proceed smoothly. In addition, the wound steel strip always has a certain springback, as a result, the steel strip and the bottom surface of the spiral groove cannot be well joined. Inlaid fins can be carried out on general-purpose equipment, and the cost is not high, but the process is complicated and the production efficiency is low.
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