寒冷地区太阳能跨季节储能地源热泵系统性能研究

黄力哲; 李佳东; 杜闯; 贾宜萌; 孙刚; 张东伟

doi:10.19912/j.0254-0096.tynxb.2024-1805

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (7) : 579-589. DOI: 10.19912/j.0254-0096.tynxb.2024-1805

寒冷地区太阳能跨季节储能地源热泵系统性能研究

黄力哲¹, 李佳东², 杜闯¹, 贾宜萌¹, 孙刚¹, 张东伟³

作者信息 +

PERFORMANCE ANALYSIS OF SOLAR-ASSISTED GROUND SOURCEHEAT PUMP SYSTEM WITH SEASONAL THERMAL ENERGY STORAGE IN COLD REGIONS

Huang Lizhe¹, Li Jiadong², Du Chuang¹, Jia Yimeng¹, Sun Gang¹, Zhang Dongwei³

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文章历史 +

摘要

针对单独太阳能供暖不稳定和地源热泵冷热需求不平衡的问题,提出具有跨季节储能的太阳能集热器-地源热泵系统来稳定供暖需求,采用TRNSYS软件搭建太阳能-跨季节储能地源热泵系统,并与单独的地源热泵系统进行比较,研究了土壤温度、热泵性能、系统耗电量和设备成本等的影响情况。结果表明,经过5 a运行,独立地源热泵系统中土壤温度下降明显,其性能系数（COP）从3.75降到3.51,全年耗电量为83965 kW·h;而太阳能-地源热泵系统的土壤温度基本不变,系统COP基本保持在3.91附近,系统全年耗电量77428 kW·h。尽管太阳能-地源热泵系统的初始设备成本增加了14.51万元,但每年的系统运行成本节约1.92万元,其投资回收期为7.55 a。研究结果验证了太阳能-跨季节储能地源热泵系统在寒冷地区建筑供暖的适用性。

Abstract

To address the instability of standalone solar heating systems and the imbalance between heating and cooling demands in ground source heat pump （GSHP） systems, a solar collector-ground source heat pump system with seasonal thermal energy storage is proposed to stabilize building heating demand. The proposed solar-assisted seasonal thermal storage GSHP system was modeled using the TRNSYS simulation software and compared with a conventional standalone GSHP system. The impacts of soil temperature variation, heat pump performance, system electricity consumption, and equipment cost were systematically investigated. The results indicate that after five years of operation, the soil temperature in the standalone GSHP system decreases significantly, leading to a reduction in the system coefficient of performance （COP） from 3.75 to 3.51, with an annual electricity consumption of 83965 kW·h. In contrast, the soil temperature in the solar-assisted GSHP system remains nearly stable, and the system COP is maintained at approximately 3.91, with a reduced annual electricity consumption of 77428 kW·h. Although the initial equipment cost of the solar-assisted GSHP system increases by 145100 yuan, the annual operating cost is reduced by 19200 yuan, resulting in a payback period of 7.55 years. Overall, the results demonstrate that the solar-assisted ground source heat pump system with seasonal thermal energy storage is well suited for building heating applications in cold regions.

导出引用

黄力哲, 李佳东, 杜闯, 贾宜萌, 孙刚, 张东伟. 寒冷地区太阳能跨季节储能地源热泵系统性能研究[J]. 太阳能学报. 2026, 47(7): 579-589 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1805

Huang Lizhe, Li Jiadong, Du Chuang, Jia Yimeng, Sun Gang, Zhang Dongwei. PERFORMANCE ANALYSIS OF SOLAR-ASSISTED GROUND SOURCEHEAT PUMP SYSTEM WITH SEASONAL THERMAL ENERGY STORAGE IN COLD REGIONS[J]. Acta Energiae Solaris Sinica. 2026, 47(7): 579-589 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1805

中图分类号： TK513

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