LLC谐振变换器在矿用充电机上的应用  

The Application of LLC Resonant Converter in Mine Battery Chargers

作　　者：郑伟 田克君 ZHENG Wei;TIAN Kejun(China Coal Technology&Engineering Group Taiyuan Research Institute Co.,Ltd,Shanxi 030006,China;Shanxi Tiandi Mining Machinery Co.,Ltd.,Taiyuan 030006 China;China National Engineering Laboratory for Coal Mining Machinery,Taiyuan 030006 China)

机构地区：[1]中煤科工集团太原研究院有限公司,山西太原030006 [2]山西天地煤机装备有限公司,山西太原030006 [3]煤矿采掘机械装备国家工程实验室,山西太原030006

出　　处：《煤矿现代化》2025年第3期1-5,共5页Coal Mine Modernization

基　　金：山西省留学回国人员科技活动择优资助项目(20240060);山西天地煤机装备有限公司科研项目(M2023-QN21)。

摘　　要：随着能源转型和环保要求不断提高,矿用新能源车辆的发展日益受到关注,矿用新能源车辆作为一种既能够满足矿山作业需求,又能减少环境污染、降低能源消耗的新型运输工具,其重要性日益凸显。而在井下作业环境中,复杂的条件对车辆充电设施提出了更高的要求。井下新能源车辆存在充电效率低、安全性差等问题,严重制约了其推广应用。为此,调研主流的LLC谐振充电模块具有重要意义。LLC谐振充电模块通过独特的原理,能够实现高效的能量转换。其技术特点在于利用谐振原理,降低开关损耗,提高充电效率。同时,该模块在安全性方面也有突出表现,能够适应井下复杂的电磁环境,有效防止过压、过流等情况的发生。为提升井下充电效率,可进一步深入研究LLC谐振充电模块的优化设计。例如,通过改进电路参数,提高谐振频率,从而进一步提升能量转换效率。此外,还可以结合智能控制技术,实现对充电过程的精准控制,提高充电的安全性和稳定性。With the continuous improvement of energy transformation and environmental protection requirements,the development of new energy vehicles for mining has attracted increasing attention.As a new type of transportation tool that can not only meet the needs of mining operations but also reduce environmental pollution and energy consumption,the importance of new energy vehicles for mining is becoming increasingly prominent.In the underground working environment,complex conditions put forward higher requirements for vehicle charging facilities.New energy vehicles underground have problems such as low charging efficiency and poor safety,which seriously restrict their popularization and application.For this reason,it is of great significance to investigate the mainstream LLC resonant charging modules.The LLC resonant charging module can achieve efficient energy conversion through its unique principle.Its technical feature lies in utilizing the resonant principle to reduce switching losses and improve charging efficiency.Meanwhile,this module also has outstanding performance in terms of safety.It can adapt to the complex electromagnetic environment underground and effectively prevent the occurrence of overvoltage,overcurrent and other situations.To improve the charging efficiency underground,the optimization design of the LLC resonant charging module can be further studied in depth.For example,by improving circuit parameters and increasing the resonant frequency,the energy conversion efficiency can be further improved.In addition,it can also be combined with intelligent control technology to achieve precise control of the charging process and improve the safety and stability of charging.

关 键 词：矿用新能源车辆 充电模块 LLC谐振变换器 软开关 

分 类 号：TD611[矿业工程—矿山机电]