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For those working in an office building, a large area of ​​flat glass will undoubtedly provide a good view, but it will be of no benefit in terms of energy saving. In the summer, when sunlight is projected through the glass, it will produce a higher indoor level. Heat, people will have to use air conditioning and other equipment.
In response to this problem, researchers from the Fraunhofer Institute in Germany recently collaborated with the Weissensee School of Art in Berlin to design a solar shading panel using machine tools and molding processes. This product is mainly aimed at windows in large buildings. When the sun's intensity is too high, it will automatically block, and solar energy can also provide energy.
The product consists of a number of flower-like circular parts, each of which is internally made of a nickel-titanium alloy wire wound around the textile. The nickel-titanium alloy has a shape-memory effect, which can make it at a lower temperature. Bend and maintain the shape, straighten to its original shape when the temperature is high.
When the sun shines on the wire and reaches a certain temperature, the wire stretches and stretches the textile to block the sun. When the sun goes down, the wire returns to its original state and sunlight shines through the window.
The product can be directly transformed to the existing glass, installed between the double glass. In addition, the size and shape of the shading member are various, and it is also possible to cover only a small part of the window.
In addition to these, the researchers are still trying to store the possibility of solar energy, store energy during the day, release it at night or directly through flexible solar cells for power generation.
This non-powered "smart" building is not the first time it has ever appeared. Prior to this, Lei Feng also introduced an ice brick called Cool Brick. It is nothing special, but there are many small holes inside it that can accommodate small drops of water. , Evaporative cooling when heated. If the entire room is composed of such bricks, it will be very cool.
In this sense, it is not an electronic product. It can also be called a smart bar.
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