Solar water heater control system

Abstract

The invention discloses a solar water heater control system which comprises a heat storage water tank, a heat collector and a controller. A first temperature sensor, a water level sensor and an auxiliary electric heating device are arranged in the heat storage water tank. A water filling valve is arranged on a water inlet pipeline. A water supply pump, a one-way valve and a water flow switch are arranged on a water supply pipeline. A second temperature sensor and a backwater valve are arranged on a backwater pipeline. A third temperature sensor is arranged on a hot water outlet pipeline of the heat collector, and a circulating water pump is arranged on a hot water inlet pipeline. The controller receives signals collected by the temperature sensors, the water level sensor and the water flow switch so as to achieve the starting and stopping control over the water filling valve, the water supply pump, the one-way valve, the backwater valve and the circulating water pump and the on-off control over the auxiliary electric heating device, thereby achieving the functions of automatic water filling, automatic heating, auxiliary electric heating, instant heating and the like of a solar water heater. The solar water heater control system can be convenient to use, accurate in controlling and high in automatic degree.

Description

Technical field: [0001] The invention belongs to the technical field of solar water heaters, and in particular relates to a solar water heater control system. Background technique: [0002] In the context of the global coal, oil and natural gas resources being depleted and the threat of the energy crisis intensifying, finding cheap, clean and sustainable new energy has become the primary issue of human development. Solar energy is clean, large in quantity, The low cost is favored by people, and solar energy will become one of the main energy sources in the world in the 21st century. Solar water heater is a device that converts sunlight energy into heat energy, and heats water from low temperature to high temperature to meet the needs of hot water in people's life and production. Its basic working principle is to use the greenhouse principle to convert solar energy into heat energy, and then use The converted heat can be used to heat the cold water, that is, the inside of th...

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Problems solved by technology

[0004] For this reason, the technical problem to be solved by the present invention is that the temperature detection accuracy of the control system used for solar water heaters in the prior art is low, and the intelligence degree of temperature and water level control is not enough, and the automatic temperature control of solar water heaters cannot be realized, thus a solar water heater is proposed. Water Heater Control System

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