Nantong Textile Vocational and Technical College built "solar" charging shed

In the campus of Nantong Textile Vocational Technology College, there is a “miraculous” carport that can not only use the sun light to charge the battery car free of charge, but also can automatically adapt to various specifications of the battery car charging port through a special control system. With this "universal port," everyone charges to save the trouble of having an adapter.

Recharge the battery car with the sun

Yesterday, the reporter of the Modern Express newspaper saw a parking shed of about 18 square meters on the south campus of Nantong Textile Vocational Technology College. The roof was covered with 9 dark solar panels, and under the bottom was a “little dice” with red numbers. , Leading out the charging wires, “infusion” to the battery cars underneath, and two of them show “FULL”—full. In addition to the 8 battery cars that are being charged, several others are standing in line behind. “In addition to the teachers and students at the school, many neighboring households also come here for 'electricity',” said Mr. Chen from the school.

This magical carport is from the leader of the new energy industry of Nantong Textile Institute. It is a scientific and technological innovation team headed by professor-level senior engineers. “In the past, I often heard teachers complain that the battery car had no place to recharge. I often saw neighbors on the 6th floor carrying batteries down the stairs every day. It was inconvenient. At that time, I had the idea of ​​doing such a carport.” The full name of the carport is the "Smart Mobile Solar Charging Garage". It was built in October last year. It was put into use in April this year and now has two national invention patent certificates.

The teacher said that the biggest highlight of the "miraculous" carport is that the charger's control system is very smart. Unlike ordinary home chargers, the charger port in this carport is usually not powered. Only charging the battery car will charge the battery, and the whole system will not have high voltage, which greatly improves the system's safety. . What's even more amazing is that once the charging port is inserted into the battery car, the control system will automatically determine the polarity of the battery and the voltage level, whether it is a 24-volt, 36-volt, 48-volt, or 72-volt battery. The charging method is charged and the charging is automatically stopped after 3 to 4 hours of full charge.

Experimental building is a small new energy base

"Utilizing solar energy to generate electricity not only satisfies the needs of the battery car, but also stores excess electricity in the battery," said Professor Hee. He has many interesting inventions in addition to the solar charging garage. After Professor Ruan came to a green belt in the spinning hall, the reporter saw a solar panel similar to a carport on the lawn. The difference is that the back of this board contains a lithium battery. Prof. Han brought an electric drill and connected it to the jack. The electric drill immediately turned. "This board can output 220 volts and can be used on the construction site."

In Prof. Chen’s laboratory, the reporter also saw a blue metal box on the corner of the window. This is a grid-connected inverter. Prof. Tong said that it is directly connected to two large outdoor solar panels. When the sun is full, outdoor solar panels will rotate like sunflowers toward the sun to absorb the most sunlight energy. Then, the panel’s DC power is converted to AC power through the inverter and delivered to the room power system. "When the weather is good, it can output 10 kilowatts of power. A large part of the experimental base of about 1,000 square meters on the second floor is powered by these two 'sunflowers'."

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