Phase change thermal storage solar water heater with novel heat dissipation mode

Abstract

The invention provides a phase change thermal storage solar water heater with a novel heat dissipation mode.The phase change thermal storage solar water heater comprises a water inlet pipe, a water outlet pipe, a phase change thermal storage solar water heater body and a heat dissipation body.A plurality of parallel vacuum tubes wrapped with thermochromism radiation layers and thermal isolation wrapping layers are arranged inside the phase change thermal storage solar water heater body.Phase change thermal storage materials are located inside the vacuum tubes.The heat dissipation body comprises a plurality of parallel heat conducting rods inserted into the phase change thermal storage solar water heater body and heat dissipation fins located outside the phase change thermal storage solar water heater body.When the temperature of the phase change thermal storage materials is higher than the chromism threshold value temperature of the thermochromism radiation layers, the thermochromism radiation layers become black from transparent and transmit heat to the heat conducting rods in a thermal radiation mode, and heat of the phase change thermal storage materials is transmitted to the heat dissipation fins of the heat dissipation body for heat dissipation, so that the temperature of the phase change thermal storage materials is decreased, and 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 heat storage solar water heater with a new heat dissipation method. 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 sol...

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Problems solved by technology

[0005] In view of this, the present invention provides a phase-change thermal storage solar water heater with a new heat dissipation method to solve the p

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