A thermal cycling device with multiple energy coupling

By using a multi-energy coupled thermal circulation device, the system utilizes heating return water, solar energy, and electricity to heat domestic hot water, solving the problem of low energy utilization in traditional heating systems, achieving a stable supply of heating and domestic hot water in winter, and reducing operating costs.

CN224454692UActive Publication Date: 2026-07-03HOHAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HOHAI UNIV
Filing Date
2025-05-30
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Traditional household heating systems suffer from inadequate heat recovery and utilization of the return water, resulting in high energy consumption, low utilization rate, and an inability to stably supply domestic hot water, which is also limited by weather conditions.

Method used

The heat circulation device adopts a multi-energy coupling system, including a single-coil heating water tank, a solar collector, a gas boiler, electric heating equipment, and an intelligent controller. The switching and optimization of the heat medium are realized through switching devices and temperature sensors, and the domestic water is heated by heating return water, solar energy, and electricity.

Benefits of technology

While ensuring heating needs in winter, we will improve energy efficiency, stabilize the supply of domestic hot water, reduce operating costs, reduce gas consumption, and optimize resource utilization.

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Abstract

This invention proposes a multi-energy coupled heat circulation device, comprising a single-coil heating water tank, a solar collector, a gas boiler, an electric heating device, an intelligent controller, and a switching device. The single-coil heating water tank contains the electric heating device. The solar collector and gas boiler are connected to the single-coil heating water tank via pipes, providing heat to the tank. The switching device, including a first three-way valve, a second three-way valve, a third three-way valve, and a fourth three-way valve, enables switching between different heat media. Temperature sensors are also installed on different pipes. The temperature sensors, solar circulation pump, gas boiler control terminal, electric heating control terminal, and switching device are all electrically connected to the intelligent controller. This invention can stably supply hot water while ensuring heating needs in winter, comprehensively utilizing multiple energy sources and improving energy efficiency.
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