Solar thermal collector

A technology of solar heat collectors and heat collecting plates, which is applied in the field of solar heat collecting, and can solve problems such as corrosion of heat collecting plates

Inactive Publication Date: 2009-09-16
JIANGSU DOCTORXIA SOLAR ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the above disadvantages, the present invention provides a solar heat collector, which mainly uses an exhaust cap to solve the problem of water vapor corroding the heat collecting plate

Method used

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Embodiment Construction

[0016] Such as figure 1 , As shown in 2, a solar collector includes an outer frame 1, a glass cover plate 2, a heat collecting plate 3, a header pipe 4, a sub-pipe 5, an insulation layer 6, an exhaust cap 7, and a bottom plate 8.

[0017] The end of the sub-tube 5 is welded to the header 4, and the sub-tubes 5 are separated by a certain distance; the header 4 passes through the outer frame 1 and is connected to the heat exchanger 9; the tube wall of the sub-tube 5 is connected to the heat collecting plate 3 Board surface welding.

[0018] An exhaust cap 7 is respectively installed on the left and right sides of the outer frame 1, the exhaust cap 7 is made of rubber material, and the exhaust cap 7 is distributed at the diagonal position of the heat collecting plate 3. Such as image 3 As shown, the exhaust cap 7 is a hollow truncated cone structure, and its base 7-1 is cylindrical. On the side of the truncated cone, there is a circle of convex wings 7-2 with a tapered surface. The...

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Abstract

The invention discloses a solar thermal collector, which belongs to the technical field of solar thermal collection. The solar thermal collector comprises an outer frame, a glass cover plate, a thermal collecting board, a collector, a sub-tube, an insulating layer and a bottom board, wherein the sub-tube is fixedly connected with the collector and the surface of the thermal collecting board side by side; the collector passes through the outer frame and is connected with a heat exchanger; the glass cover plate is arranged outside the thermal collecting board; the insulating layer and the bottom board are arranged outside the sub-tube in sequence; an exhaust cap is arranged on the side surface of the outer frame, has a hollow cone structure and is provided with a cylindrical base; a circle of convex wings with conical surfaces are positioned on the side surface of the cone; an annular groove is positioned between the convex wings and the cylindrical base; the inside of the cone has a hollow inverted cone structure; and the upper end surface of the inverted cone is level with the top surface of the cone, and the lower end surface of the inverted cone is used as a starting point downwards to form a short hollow cylinder structure. The solar thermal collector can effectively solve the problem that the thermal collecting board of the thermal collector is corroded.

Description

Technical field [0001] The invention relates to a solar heat collector, belonging to the technical field of solar heat collection. Background technique [0002] People pay more and more attention to solar energy because of its environmental protection, energy saving, and wide range of applications. Solar water heaters are a typical example of people using solar energy in their lives. The main component of solar water heaters is the solar collector, which is generally divided into flat plate type and vacuum tube type. Flat plate type solar collectors and evacuated tube type collectors are made of materials with good heat transfer properties and coated on the material. Made of coating with good solar effect. In order to prevent bursting, the vacuum tube of the vacuum tube collector needs its material to be resistant to high pressure and high temperature, and the cost is high, so it is not as widely used as the flat plate collector. But the most prominent shortcoming of flat-plate s...

Claims

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Application Information

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IPC IPC(8): F24J2/04F24J2/46
CPCY02E10/44
Inventor 邹建国
Owner JIANGSU DOCTORXIA SOLAR ENERGY
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