Thermochromic intelligent window with adjustable emissivity

A thermochromic intelligent window with an adjustable emissivity, comprising:

• at least one glass substrate;
• at least one low emissivity layer, an emissivity of the low emissivity layer within a wavelength coverage of 8-13 μm being not greater than 0.4 and the low emissivity layer being arranged on a side surface of the glass substrate;
• at least one high emissivity layer, an emissivity of the high emissivity layer within a wavelength coverage of 8-13 μm being not less than 0.88 and the high emissivity layer being arranged on an other side surface of the glass substrate opposite to the side surface of the glass substrate;
• and
• a window frame, the window frame being provided with at least one rotating shaft, allowing the high emissivity layer or the low emissivity layer to face outdoors via the rotating shaft,
• wherein the high emissivity layer comprises a first polyethylene layer and a second polyethylene layer, and a hydroxypropyl cellulose hydrogel layer is wrapped between the first polyethylene layer and the second polyethylene layer, and
• wherein the high emissivity layer has a sunlight regulating function, has a high sunlight transmittance when a temperature falls below a transformation temperature of the high emissivity layer and has a low sunlight transmittance when a temperature rises above the transformation temperature of the high emissivity layer.