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Vacuum tube type solar energy air collector

An air collector and vacuum tube technology, which is applied to solar collectors, solar collectors using working fluids, solar thermal energy, etc., can solve the problems of low heat collection efficiency, small air heating area, large heat loss, etc. High heat collection efficiency, simple structure and low resistance

Active Publication Date: 2015-07-22
HIMIN SOLAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flat air collector has a simple structure and low cost, so it has received more research, but it still has the following serious disadvantages: low heat collection efficiency and large heat loss
Patent No. 201110111597.3 discloses a "vacuum tube solar air heat collector". In this device, the air heating area is small, and the heat is heated after being conducted by the heat collecting core, which is easy to cause the problem of low heat collection efficiency.

Method used

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  • Vacuum tube type solar energy air collector
  • Vacuum tube type solar energy air collector
  • Vacuum tube type solar energy air collector

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0027] Such as figure 1 , figure 2 , image 3 As shown, the vacuum tube type solar air heat collector provided by the present invention includes: a box body 3, one end of the box body 3 is provided with an air inlet 1, and the other end opposite to the air inlet 1 is provided with an air outlet 2, and the box body 3 is provided with an air outlet 2. The body 3 is evenly arranged with five vacuum tube connection ports along a straight line. The five vacuum tubes 7 are respectively installed in the vacuum tube connecting port of the box body to communicate with the box body 3 in an airtight manner, preferably through a rubber sealing ring to make the vacuum tubes 7 communicate with the box body 3 in an airtight manner. The inner tube of the vacuum tube 7 is coated with a selective ab...

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Abstract

The invention discloses a vacuum tube type solar energy air collector which comprises a box body, wherein an air inlet is formed in one end of the box body, an air outlet is formed in the other end of the box body, the box body is provided with a vacuum tube connecting opening and a vacuum tube, the vacuum tube is communicated with the box body through the vacuum tube connecting opening in an airtight mode, an inner tube of the vacuum tube is coated by a selective absorbing coating and provided with an expansion opening inserting tube, the expansion opening inserting tube is of an L shape and comprises an expansion opening section and a straight tube section, the straight tube section is vertical to the expansion opening section, and the expansion opening section is provided with a funnel-shaped opening; the straight tube section is fixed inside the vacuum tube; the expansion opening section stretches into the box body, and the funnel-shaped opening of the expansion opening section backs on to the air inlet in the one end of the box body. According to the negative pressure suction type vacuum tube type solar energy air collector, a heat tube is not used, manufacturing cost is low, the structure is simple, installation is convenient to achieve, heat collection efficiency is high, resistance is little, and the vacuum tube type solar energy air collector is suitable for series-parallel connection of various heat collectors and is applied to a large-scale air drying system and a heating system.

Description

technical field [0001] The invention relates to the field of solar heat utilization, in particular to a vacuum tube type solar heat collecting device with air as the medium. Background technique [0002] The solar collector with air as the heat collecting medium has attracted widespread attention because of its features such as no antifreeze, fast start-up speed, low sealing requirements, and not easy to corrode. Existing air collectors mainly have two structures: flat plate type and vacuum tube type. The flat air collector has a simple structure and low cost, so it has been studied more, but it still has the following serious shortcomings: low heat collection efficiency and large heat loss. Evacuated tube air collectors can avoid this shortcoming. [0003] At present, the vacuum tube air collector has an inner tube (plate) type, a U-shaped tube type and a heat pipe type. All exist the problem that internal structure causes air resistance bigger, fan power consumption is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/05F24J2/24F24J2/46F24S10/40F24S10/70
CPCY02E10/44
Inventor 王振杰李娟
Owner HIMIN SOLAR
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