烟草科技
2016-03-29 星期二
设备与仪器:2020 ,11:89-96
时春鑫, 郑绪东, 吴建德, 李志强, 王程娅, 王汝, 马军. 加热卷烟加热元件温度场分析及试验研究[J]. 烟草科技, 2020 (11): 89-96.
SHI Chunxin, ZHENG Xudong, WU Jiande, LI Zhiqiang, WANG Chengya, WANG Ru, MA Jun. Analysis and experimental research on temperature field of heating element for heated tobacco products[J]. Tobacco Science & Technology, 2020 (11): 89-96.

加热卷烟加热元件温度场分析及试验研究
时春鑫1, 郑绪东2, 吴建德1, 李志强2, 王程娅2, 王汝2, 马军1
1. 昆明理工大学信息工程与自动化学院, 昆明市呈贡区景明南路727号 650500;
2. 云南中烟工业有限责任公司技术中心, 昆明市五华区红锦路367号 650231
摘要:
为解决国内加热卷烟加热元件温度波动大、烘烤烟支口感差等问题,以一种氧化铝陶瓷为基底材料、铂基电阻浆料为导电轨迹、金属银为焊盘及引脚材料的加热元件为对象,采用COMSOL Multiphysics软件对其温度场分布特性进行分析。基于加热元件的温度控制需求,设计了温度控制电路,获得温度场建模参数;根据加热元件基础物理参数及控制参数,运用多物理场有限元仿真软件COMSOL Multiphysics建立加热元件在热-电耦合作用下的三维模型,获得加热元件不同工作状态下的温度变化规律;通过搭建试验平台对仿真结果进行验证。仿真数据与试验数据对比结果表明:预热模式下,加热元件最高温度模拟值与试验值的最大误差为4.8%;恒温模式下,加热元件最高温度模拟值与试验值的最大误差为7.1%,其结果保持良好的一致性,且误差在可接受范围内,验证了该模型及仿真方法的有效性。该技术可为加热元件的研发和质量提升提供理论依据。
关键词:    加热卷烟    加热元件    热-电耦合    温度场    仿真软件   
Analysis and experimental research on temperature field of heating element for heated tobacco products
SHI Chunxin1, ZHENG Xudong2, WU Jiande1, LI Zhiqiang2, WANG Chengya2, WANG Ru2, MA Jun1
1. Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming 650500, China;
2. Technology Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming 650231, China
Abstract:
To narrow the temperature fluctuation of heating elements in domestic heated tobacco products and promote the sensory quality of those products, an alumina ceramic-based heating element with platinum-based resistance paste conductive track and metallic silver welding plate and pins was experimented, and its temperature field distribution characteristic was analyzed with COMSOL Multiphysics software. Based on the temperature control requirements for heating elements, a temperature control circuit was designed to obtain the temperature field modeling parameters. According to the basic physical parameters and control parameters of the heating element, the multi-physics finite element simulation software COMSOL Multiphysics was used to establish a three-dimensional model of the heating element under the action of thermo-electric coupling and to obtain the temperature variations of the heating element under different working conditions. The simulation results were verified on an in-house test platform. The comparison between the simulation data and the testing data showed that:at the highest temperature, the maximum error between the two was 4.8% in preheating mode; it was 7.1% in constant temperature mode. The simulated values well agreed with the test values and the errors were within an acceptable range, which verified the effectiveness of the model and the simulation method. This technology provides a theoretical basis for the development and quality promotion of heating elements.
Key words:    Heated tobacco product    Heating element    Thermo-electric coupling    Temperature field    Simulation software   
收稿日期: 2020-01-21     修回日期: 2020-07-27
DOI: 10.16135/j.issn1002-0861.2020.0051
基金项目: 云南省基础研究青年项目“电加热不燃烧卷烟加热器温度场分布规律研究”(2019FD087);云南中烟工业有限责任公司科研计划资助项目“新型卷烟加热系统优化与设计研究”(2018539200370286)。
通讯作者: 郑绪东,E-mail:330869427@qq.com     Email:330869427@qq.com
作者简介: 时春鑫(1995-),在读硕士研究生,研究方向:加热卷烟温度控制技术及加热元件。E-mail:1229616703@qq.com
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