摘要： 自力式温度调节阀利用温度传感器内的液体膨胀是均匀的，其控制作用为比例调节，控制介质温度变化时，传感器内的感温液体体积随着膨胀或收缩的原理实现自动调节，达到供暖室内温度恒定的目的，减少能耗。
本文针对两通型温控阀，从其内部流场情况和关键元件改进的两个途径来对之进行研究和优化设计，进而实现提高蜡式温控阀工作性能的研究目的。应用三文建模软件建立阀门外形结构及内部流场模型，通过CFD前处理器生成计算网格，应用CFD软件进行离散求解，可以得到温控阀外形结构及内部流场的可视化图形，如应力分析图、速度矢量图、流体流线图等。最终找到阻力损失最大处并对其进行结构上的优化，使其阻力损失最小，流量最稳定。并且针对温控阀阀芯、弹簧组等进行了改进。21672
毕业论文关键字：温控阀；三文模拟；优化设计
The optimization design of thermostatic valve
Abstract: Self-regulating valve with a temperature sensor in the expansion of the liquid temperature is uniform, and its role is to control the proportional control. When the temperature's control changes, the volume of liquid in the sensor temperature is automatic adjusted with the principle of expansion or contraction, for the purpose of the constant temperature in the heating room and reduce energy consumption.
In this paper, the two-way type valve, which is improved its research and optimization of the design by the two way of internal flow field and key components , so as to realize the purpose of improving the research performance of wax-type thermostatic valve.3D modeling software is applied to establish the structure of valve and internal flow valve model, through the CFD preprocessor to generate calculating mesh , the application of CFD software is to discrete solve, you can get the structure of valve and it 's internal flow field visualization graphics, such as stress analysis chart and velocity vector or fluid flow chart .Eventually find the greatest resistance loss and optimize the structure, making the resistance loss be the smallest and the flow is most stable. And make improvements of the thermostatic valve 's spool and spring and others .
Key Words：Thermostatic valve; three-dimensional simulation; optimization design
目录
1 绪论 1
1.1 温控阀研究的意义 1
1.2文献综述 1
1.2.1 对温控阀结构及原理的研究 1
1.2.2自力式温控阀的分类 1
1.2.3国内外温控阀发展情况 2
1.3 课题研究的内容 4
1.3.1 温控阀结构设计 4
1.3.2传感器的选择 4
1.3.3 Fluent模拟仿真及流场分析 5
1.3.4优化设计 5
1.4 预期创新点 5
2阀体的设计与计算 7
2.1阀体设计 7
2.1.1 材料的选择 7
2.1.2阀体选型 7
2.1.3 设计厚度 7
2.2 感温包设计 8
2.2.1 温包的分类 8
2.2.2 温控阀结构形式的选择 9
2.2.3弹簧的选择 9
2.2.3 温包结构设计计算 10
2.2.4 阀杆行程计算 11
2.3 阀芯设计 12
2.3.1 阀芯材料的确定 12
2.3.2 阀芯形面的确定 12
3 结构静力学分析 14
3.1线性静力分析 14
3.1.1线性静力分析基础 14
3.1.2 ANSYS软件介绍 14 温控阀的优化设计+CAD图纸:http://www.youerw.com/jixie/lunwen_13993.html