基于多源热泵的冻土路基主动温度控制技术及应用  

Active Temperature Control Technology for Frozen Soil Subgrade Based on Multi-Source Heat Pump and its Application

作　　者：胡田飞 岳祖润[1] 刘建坤 崔灿增 袁一飞 张松 介少龙 孙铁成[1] Hu Tianfei;Yue Zurun;Liu Jiankun;Cui Canzeng;Yuan Yifei;Zhang Song;Jie Shaolong;Sun Tiecheng(State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures,Shijiazhuang Tiedao University,Hebei,Shijiazhuang 050043,China;School of Civil Engineering,Sun Yat-sen University,Guangdong,Guangzhou 510275,China;School of Civil Engineering,Hebei University of Architecture and Engineering,Hebei,Zhangjiazhuang 075000,China;Provincial Capital Construction and Development Institute,Shijiazhuang University,Hebei,Shijiazhuang 050035,China)

机构地区：[1]石家庄铁道大学省部共建交通工程结构力学行为与系统安全国家重点实验室,河北石家庄050043 [2]中山大学土木工程学院,广东广州510275 [3]河北建筑工程学院土木工程学院,河北张家口075000 [4]石家庄学院省会建设发展研究院,河北石家庄050035

出　　处：《铁道技术标准(中英文)》2025年第1期1-12,38,共13页Railway Technical Standard(Chinese & English)

基　　金：国家自然科学基金(52172347,41731281,42001059);河北省自然科学基金(E2023210064,24465001D);中央引导地方科技发展资金(226Z5402G)。

摘　　要：针对路基的季节冻土冻胀与多年冻土热融变形病害问题,研发基于多源热泵原理的主动温度控制技术。硬件方面,设计面向交通结构场景的异型热泵系统,构建热泵机组的热能转化、运行状态监测、过载过热保护、机电一体控制等各项功能的组件模块,提出传热强化的换热器类型及多源驱动方案。软件方面,构建路基热负荷预测模型、多源储量评估模型、热泵系统稳态热力计算模型、离网式光储供电系统设计模型、热泵系统动态运行控制模型。该技术应用于准池铁路、沈白高速铁路、河北省秦唐高速公路、青海省道S224公路等多条铁路、公路,路基温度控制效果良好。In order to mitigate the problems of seasonal frozen soil frost heave and permafrost thawing deformation of subgrades in cold regions,an active temperature control technology has been developed based on the working principle of multi-source heat pumps.In terms of hardware,a customized heat pump system for transportation structure scenarios has been designed,and functional modules for heat energy conversion,operation condition monitoring,overload and overheating protection,and integrated electromechanical control of the heat pump unit have been constructed.A heat exchanger type with enhanced heat transfer and a multi-source driving scheme have been proposed.In terms of software,a subgrade heat load prediction model,a multi-source reserve evaluation model,a steady-state thermal calculation model for heat pump systems,a design model for off-grid photovoltaic power systems,and a dynamic operation control model for heat pump systems have been constructed.This technology has been applied to several railways and highways such as Junggar-Shenchi Railway,Shenyang-Changbai Mountain High-Speed Railway,Qinhuangdao-Tangshan Expressway in Hebei Province,and Provincial Highway S224 in Qinghai Province,and achieved good temperature control of the subgrade.

关 键 词：冻土路基 主动温度控制 热泵 多源驱动 季节冻土 多年冻土 

分 类 号：TU442[建筑科学—岩土工程]