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Evacuated solar panel with a non evaporable getter pump

A technology of solar panels and getter pumps, applied in solar thermal power generation, solar thermal energy, solar collectors using working fluids, etc., can solve problems such as reducing reliability and increasing device costs

Inactive Publication Date: 2011-05-11
SRB ENERGY RES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, such an electric heater requires an electric vacuum feedthrough, which increases the cost of the device and reduces its reliability

Method used

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  • Evacuated solar panel with a non evaporable getter pump
  • Evacuated solar panel with a non evaporable getter pump
  • Evacuated solar panel with a non evaporable getter pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Referring to the drawings, there is shown a vacuum solar panel generally indicated by reference numeral 1 .

[0018] The solar panel 1 comprises a frame 2 generally carrying a plurality of spacers 3 carrying a lower rear wall 2a and an upper transparent glass wall 4 made of metal or glass sheets.

[0019] The frame 2 defines together with the transparent wall 4 and the rear wall 2a a closed chamber 6 containing the spacer 3 and the absorber 8 .

[0020] As is known in the art, the absorber 8 comprises one or more absorbing panels 10 and one or more cooling tubes 11 connected to the absorbing panels.

[0021] The closed chamber 6 also contains a NEG pump 15 which advantageously comprises an enclosure having an outer surface 16 optionally blackened and comprising one or more non-evaporable getter elements.

[0022] The enclosure has a box-like shape and preferably has a through opening 18 for keeping the inner volume of the box-like enclosure in contact with the outside ...

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PUM

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Abstract

The evacuated solar panel (1) comprises a frame (2) containing a plurality of spacers (3) carrying a transparent wall (4). The transparent wall (4) with the frame (2) defines a closed chamber (6) containing the spacers (3), the light absorber (8) and a getter pump (15). The getter pump (15) comprises an envelope having selectively blackened outer surfaces (16) and including one or more non-evaporable getter NEG elements.

Description

technical field [0001] The invention relates to a vacuum solar panel with a getter pump, in particular, the getter pump according to the invention is a non-evaporable getter (NEG) pump. Background technique [0002] As known in the art, NEG pumps are widely used to maintain vacuum within sealed vacuum devices. [0003] In a NEG pump, gas molecules are adsorbed on the surface of the getter material, causing the NEG to saturate. [0004] To avoid saturation of the pumped gas, and thus loss of pumping effect (i.e., ability to adsorb gas molecules), the NEG must be heated to help the adsorbed gas molecules move from the getter pump within the volume of the getter pump to surface spread. [0005] Heating can be carried out continuously or intermittently, for example by means of electrical heating. [0006] However, such an electric heater requires an electric vacuum feedthrough, which increases the cost of the device and reduces its reliability. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/05F24J2/50F24J2/46F04B37/02F24J2/00F24S10/40
CPCF04B37/02F24S10/40F24S40/40F24S40/46F24S80/00F24S80/54F24S80/58Y02E10/44
Inventor C·本韦努蒂
Owner SRB ENERGY RES