Bending inner glass tube eccentric evacuated collector tube with externally attached mirror surface and high edge opening
A technology of vacuum heat collector tube and inner glass tube, applied in heating device, solar thermal device, solar thermal power generation and other directions, can solve the problems of affecting the production efficiency of eccentric heat collector tube, inconvenient coating process, high equipment cost, and achieve convenient melting and sealing The effect of reducing the difficulty of operation and sealing and increasing the cost of products
Inactive Publication Date: 2014-01-22
林根弟
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Problems solved by technology
The equipment involved in this production process is expensive, and only one tube can be evaporated at a time, and this process is not convenient for grafting high-efficiency and excellent-performance coating processes such as magnetron sputtering.
It affects the improvement of the production efficiency of the eccentric heat collecting tube
Method used
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Embodiment Construction
[0011] figure 1 An example of the present invention is given.
[0012] figure 1 Among them, a curved inner glass tube 4 composed of an eccentric straight section 1, an outer straight section 2 and a curved section 3 connecting the eccentric straight section 1 and the outer straight section 2 is used, and a cover glass tube 5 with one end rounded is embedded. sleeve arrangement; the waist of the outer straight section 2 is melt-sealed with the port of the cover glass tube 5 to form an eccentric jacket; the outer straight section 2 protrudes to form a high edge 6; the cover glass tube 5 has a diameter-reducing section near the sealing 7. After baking and exhausting the inside of the eccentric jacket, it is sealed off to make an eccentric vacuum heat collecting tube with a mirror surface and a high rim bend inner glass tube. A semi-circular trough-shaped object 8 is connected to the outer surface of the cover glass tube 5, and the concave surface of the semi-circular trough-sha...
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Provided is a bending inner glass tube eccentric evacuated collector tube with an externally attached mirror surface and a high edge opening. A bending inner glass tube 4 is formed by an eccentric straight section 1, an outer straight section 2 and a bending section 3 connecting the eccentric straight section 1 and the outer straight section 2, the bending inner glass tube 4 and a glass tube cover 5 with a circularly sealed end are arranged in a nested mode, a waist portion of the outer straight section 2 and the end of the glass tube cover 5 are sealed and connected in a fused mode to form an eccentric clamp sleeve, the outer straight section 2 extends out to form the high edge opening 6, the inside of the eccentric clamp sleeve is baked to exhaust air, and then the eccentric clamp sleeve is sealed, and therefore the bending inner glass tube eccentric evacuated collector tube with the externally attached mirror surface and the high edge opening is manufactured. The bending inner glass tube eccentric evacuated collector tube with the externally attached mirror surface and the high edge opening is characterized in that the outer surface of the glass tube cover 5 is connected with a semi-circular groove-shaped article 8 in a matched mode, the mirror surface 9 is manufactured on the inwards concaved surface of the semi-circular groove-shaped article 8, the eccentric straight section 1 of the bending inner glass tube 4 is provided with an absorption film, and the eccentric straight section 1 with the absorption film is connected with the mirror surface 9 on the inwards concaved surface of the semi-circular groove-shaped article 8 in a condensation mode.
Description
technical field [0001] The invention relates to an eccentric vacuum heat collecting tube with a mirror surface and a high rim bend inner glass tube. Background technique [0002] There is an all-glass vacuum heat collecting tube in which an inner glass tube is arranged eccentrically, also known as an eccentric heat collecting tube. The diameter of the inner glass tube is about half of that of the cover glass tube, and the semicircular evaporated aluminum mirror on the inner wall of the cover glass tube is used to condense light to the absorption film on the surface of the inner glass tube to collect heat, which has the advantages of less material and a small inner glass tube cavity Less water storage, heat sink, small surface area, small heat loss, small start-up, etc. However, the semicircular evaporated aluminum mirror on the inner wall of the cover glass tube adopts high-frequency induction to heat the heat boat built in the cover glass tube, and makes the aluminum in t...
Claims
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Login to View More IPC IPC(8): F24J2/46F24J2/48
CPCY02E10/40
Inventor 林根弟
Owner 林根弟