Dry-burning prevention solar water heater

A solar water heater and heat collector technology, applied in the field of solar energy, can solve the problems of low strength, fluctuation of outlet water temperature, and poor comfort, so as to improve high heat resistance and high temperature tensile strength, avoid rapid thermal expansion, and increase service life Effect
CN103557598AInactive Publication Date: 2014-02-05NANYANG NORMAL UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANYANG NORMAL UNIV
Publication Date
2014-02-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a dry-burning prevention solar water heater which comprises a heat collector and a water tank connected with the heat collector, wherein the water tank comprises a liner with a multilayer structure; an electric heater is arranged in the liner. The dry-burning prevention solar water heater further comprises an electric heater dry-burning prevention device; if the electric heater is not immersed in water, the heating of the electric heater is automatically stopped, so that the dry burning of the electric heater can be prevented; after a water level rises to immerse the electric heater, the electric heater starts to execute heating again. The heating of the electric heater can be controlled according to the water level and prevent the dry burning of the electric heater.
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Description

Technical field

[0001] The invention belongs to the field of solar energy, and particularly relates to a solar water heater capable of preventing dry burning. Background technique

[0002] As a clean and renewable energy, solar energy has the advantages of no environmental pollution and no safety hazards unmatched by other energy sources. With the increasing shortage of electricity and gas throughout the country, solar water heaters are becoming more and more popular. Traditional solar water heaters install heat collection tubes and water tanks on the roof of the building. The heat collection tubes absorb the heat of the sun to raise the water temperature, and the hot water is stored in the water tank. When needed, the hot water is introduced from the outdoor hot water pipe. Indoors, for people to use. In summer, due to the long time and high intensity of sunlight, the water temperature in the water tank is too high and the hot water cannot be used directly. The hot water pipe ...

Claims

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