Phase change heat storage solar water heater with direct heat dissipation

Abstract

The invention provides a phase-change thermal storage solar water heater with a direct radiating structure.The phase-change thermal storage solar water heater comprises a phase-change thermal storage solar water heater body, a radiating body and phase-change heat exchange tubes, wherein a heat insulation cladding and a plurality of parallel vacuum tubes are arranged in the phase-change thermal storage solar water heater body, a phase-change thermal storage material is arranged in the vacuum tubes, each phase-change heat exchange tube is installed on top of the corresponding vacuum tube, the open end of each phase-change heat exchange tube is embedded into the corresponding vacuum tube, the side wall of each phase-change heat exchange tube is in sealed connection with the wall of the corresponding vacuum tube, and the closed end of each phase-change heat exchange tube is embedded in a heat conduction flat panel of the radiating body; hot gas generated through overheating of the phase-change thermal storage material enters the phase-change heat exchange tubes through the open end of each phase-change heat exchange tube and condenses at the closed end of each phase-change heat exchange tube, heat generated through condensation is transmitted to the radiating body to be dissipated through the closed end of each phase-change heat exchange tube, and liquid generated after condensation flows back to the vacuum tubes along the inner wall of each phase-change heat exchange tube.Through condensation of gas generated after overheating of the interior of the vacuum tube, stable pressure in the vacuum tubes is maintained, and then overheating protection of the phase-change thermal storage solar water heater is achieved.

Description

technical field [0001] The invention relates to the technical field of solar water heaters, in particular to a phase-change thermal storage solar water heater for direct heat dissipation. Background technique [0002] Solar thermal utilization is one of the most commercialized and widely used technologies in new energy and renewable energy, and has brought huge energy-saving and environmental protection benefits. my country has the largest production of solar water heaters and the largest number of households with solar water heaters , The country with the largest potential market. [0003] Phase change heat storage solar water heater is a kind of solar water heater with small volume and high energy storage density. The main feature of phase change heat storage is that it utilizes the phase change latent heat of phase change materials to realize energy storage and utilization. When the user is not using it, there is no water flow inside the phase change heat storage solar w...

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a phase-change heat storage solar water heater with direct heat dissipation to solve the problems in the prior art that it is difficult to effectively provide overheat protection and difficult to install. The technical solution is as follows:

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