Method for preparing thermochromic intelligent glass
A smart glass and thermochromic technology, applied in the field of thermochromic smart glass preparation, can solve the problems of high energy consumption, difficult to guarantee the quality and performance of thermochromic coatings, and high equipment investment
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Embodiment 1
[0054] The preparation method of the thermochromic smart glass provided in this embodiment 1 is based on figure 1 implemented by the heat treatment device. In this embodiment 1, the power density of the heat radiation lamp tube in the preheating section and the annealing section is 120kw / m 2 , the substrate used is 4mm toughened glass ordinary transparent float glass.
[0055] Such as figure 1 The shown heat treatment device includes a working platform, along the flow direction of the substrate heat treatment process, the working platform includes a preheating section 1 , an annealing section 2 and a cooling air grid section 3 in sequence. The working platform is provided with a transmission mechanism that runs through the entire working platform. In the present embodiment 1, the transmission mechanism is composed of several transmission roller tables 4 . Each of the preheating section 1, the annealing section 2 and the cooling grid section 3 is provided with one or more d...
Embodiment 2
[0087] The difference between the present embodiment 2 and the comparative example 6 in the embodiment 1 is that, as Figure 4 As shown, the length of the radiation lamp tube area 6 in the preheating section is greater than the length of the radiation lamp tube area 7 in the annealing section.
[0088] In this embodiment 2, use Figure 4 The arrangement of the shown annealing device for the preparation of thermochromic smart glass is as follows:
[0089] A) After the glass is cleaned, put it into the vacuum coating work area;
[0090] B) In the vacuum coating working area, the sputtering preparation process is adopted. First, the SiAl target is used to coat the SiNx film on the glass substrate, and the metal V target is used to coat the Ar and O 2 After the vanadium dioxide amorphous film was deposited on the SiNx film in the atmosphere, the NiCr film was deposited on the vanadium dioxide amorphous film in the Ar atmosphere by using a metal NiCr target, and then SiAl was use...
Embodiment 3
[0098] The difference between this embodiment 3 and embodiment 2 is that in this embodiment 3, the annealing treatment of the glass substrate is completed in a vacuum environment, and the glass substrate after the annealing treatment is cooled by a liquid non-contact method. Cooling is completed in the cooling chamber. Such as Figure 5 As shown, the cooling cavity includes an inner cavity 19 and an outer wall 20 , a cooling interlayer 21 for flowing coolant is provided between the inner cavity 19 and the outer wall 20 , and a heat-absorbing coating 22 is also coated on the inner surface of the inner cavity.
[0099] After heating, the surface temperature of the glass substrate reaches about 500°C, and it radiates infrared rays by itself. The radiated infrared rays are absorbed by the inner cavity, and the absorbed infrared rays (that is, the corresponding heat generated) are carried by the coolant in the cooling interlayer 21 through the cavity wall. At the same time, the gl...
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Abstract
Description
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Application Information
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