Solar water heater intelligent temperature control method and device

Abstract

The invention provides a solar water heater intelligent temperature control method. The solar water heater intelligent temperature control method includes: comparing real time water temperature Tt of a water tank with upper limit set temperature T1 and lower limit set temperature T2, controlling a water inlet valve and an emptying valve to move through a comparison result, and achieving intelligent thermoregulation. The invention further provides a thermoregulation emptying device. The thermoregulation emptying device is characterized in that a four way pipe is installed below a water heater, four pipelines of the four way pipe are respectively connected with a tap water pipe, and a vacuum pipe, an overflow pipe and a hot water outlet valve of the solar water heater, and electromagnetic valves are installed on three of the four pipelines of the four way pipe, and control the electromagnetic valves to open through controllers. The solar water heater intelligent temperature control method solves the problems that the temperature of the water tank is high, and an electric auxiliary heating device generates energy waste. The thermoregulation emptying device does not need to change structure of the existing solar water heater, is simple in structure, saves water consumption, recycles and reuses water through a reserved water tank, can effectively reduce living consumption, achieves intelligent water adding and pipeline emptying functions, and effectively avoids frost cracks on a pipeline of the solar water heater in winter.

Description

technical field [0001] The invention relates to an intelligent temperature control method and a temperature control device for a solar water heater, belonging to the technical field of solar water heaters. Background technique [0002] At present, the control of solar water heaters has entered the stage of intelligence. Most of the solar water heaters on the market have temperature and water level display functions, and some solar water heaters are equipped with auxiliary electric heating devices, which can better meet people's demand for hot water. However, the existing solar water heaters still have the problem that they cannot be turned on and heated immediately, and the hot water temperature is too high and need to be controlled by themselves, and the pipelines are easy to freeze and crack in winter. [0003] For areas with changeable weather and insufficient sunshine, especially in spring and winter, the weather changes every day. The existing solar water heaters are se...

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Problems solved by technology

[0004] Existing solar water heaters are all placed on the roof of the building, and the cold water in the pipe needs to be drained before the first water use. Because the insulation effect of the outlet pipe is not good, the hot water in the pipe will become cold when the water interval exceeds about 3 minutes, and the user will still use it again. The cold water in the pipe must be drained before the hot water can be used. It cannot be heated immediately, and the longer the solar water heater pipe is, the more cold water will be released, resulting in waste of water resources and unnecessary troubles

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