Photovoltaic heat pump energy storage and supply system

By using the multi-switch switching mode of the photovoltaic heat pump energy storage system, the efficient combination of photovoltaic power generation and water source heat pump is realized, which solves the problems of low power utilization efficiency and stability, and improves the system's operational flexibility and rational use of electricity.

CN224201918UActive Publication Date: 2026-05-05JIANGSU CHENGCHUANG ENERGY TECH CO LTD
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Patent Information

Application Number
CN202521004579.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2026-05-05
Estimated Expiration
2035-05-21

AI Technical Summary

Technical Problem

In existing technologies, the combined use of photovoltaic power generation and water source heat pumps results in low power utilization efficiency and high dependence on the power grid, making it difficult to achieve stable power supply and diversified operation modes.

Method used

A photovoltaic heat pump energy storage system was designed. By using multiple switching modes of distributed photovoltaic power stations, energy storage power stations, water source heat pump units, thermal storage containers and cold storage containers, combined with grid power supply, the system can achieve flexible distribution and storage of electricity among different devices, thereby enhancing the versatility and stability of system operation.

Benefits of technology

It improves power utilization efficiency, reduces dependence on the power grid, ensures stable power supply for water source heat pump units in different seasons, and enhances the system's operational flexibility and rational use of electricity.

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Abstract

The utility model discloses a photovoltaic heat pump energy storage and supply system which comprises a power grid, a distributed photovoltaic power station, an energy storage power station, a water source heat pump unit, a heat storage container and a cold storage container. A second switch is connected between the power output end of the distributed photovoltaic power station and the power grid, the power output end of the distributed photovoltaic power station and the power input end of the energy storage power station are connected with a third switch, and the power output end of the energy storage power station and the power input end of the water source heat pump unit are connected with a fourth switch. A fifth switch is connected between the power grid and the power input end of the water source heat pump unit, and a sixth switch is connected between the power output end of the energy storage power station and the power grid. Through the arrangement of the first switch to the sixth switch, the electric energy generated by the distributed photovoltaic power station can be switched among the energy storage power station, the water source heat pump unit and the power grid in multiple operation modes, the diversification of the operation modes is increased, and the electric power is reasonably utilized.
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