歐丹環式渦卷壓縮機之動平衡設計及動載模擬

Dynamic Balancing Design and Load Simulation

古哲銘(Che-Ming Ku)

指導教授 ： 吳育仁

國立屏東科技大學/工學院/機械工程系所/碩士(2014年)

https://doi.org/10.6346/NPUST.2014.00286

摘要

摘要
學號：M10132038
論文題目：歐丹環式渦卷壓縮機之動平衡設計及動載模擬
總頁數：61頁
學校名稱：國立屏東科技大學 系 (所) 別：機械工程系
畢業年月：2013年7月 學位別：碩士
研究生：古哲銘 指導教授：吳育仁 博士
論文摘要內容：
現今渦卷壓縮機在空調領域中應用相當廣泛，其內部一對動、靜渦卷轉子是重要的核心元件，運轉時會受到整體結構慣性力影響，比如主軸與渦卷轉子軸不對心、加工精度、裝配誤差、結構不對稱及非均勻材質等問題，導致整個壓縮機運轉時產生振動及碰撞異音，造成壓縮機效能降低及零件磨損等缺點。而目前國內、外對渦卷壓縮機CAE模擬之相關研究極少，僅說明靜態單平面動平衡計算方法並無考慮整體壓縮機實際運轉時產生慣性力及慣性力矩之影響，因此若能建立一套有效方法在設計製造前先行模擬動態渦卷壓縮機接觸力性能及動平衡校正方法，將可節省不少研發設計成本。故本文建立一套計算渦卷壓縮機動平衡方法及設計配重塊模型流程，利用SolidWorks及ADAMS兩套軟體結合建立渦卷壓縮機之動態模擬模型，進行動力學分析，並擷取渦卷壓縮機各零件角速度、質心位移變化及渦卷轉子齒面接觸力，其中包括時間域及頻率域，取得設計配重塊之數據，另外利用此建模方法設計改良新型渦卷壓縮機，分析動平衡改善後之壓縮機動態特性，包括整體慣性力、整體慣性力矩、兩渦卷間接觸力之時/頻域特徵及動平衡等級G值，以證實本研究所建立之動平衡設計方法確實可改善渦卷壓縮機之動載特性。

關鍵詞：ADAMS、渦卷壓縮機、動平衡、動載分析

關鍵字

ADAMS ； 渦卷壓縮機 ； 動平衡 ； 動載分析

並列摘要

Abstract
Student ID: M10132038
Title of Thesis: Dynamic Balancing Design and Load Simulation
for Scroll Compressors with Oldham Rings
Total pages: 61
Name of Institute: National Pingtung University of Science and Technology
Name of Department: Department of Mechanical Engineering
Date of Graduation: July, 2014 Degree Conferred: Master
Name of Student: Ku Che-Ming Adviser: Dr. Yu-Ren Wu
The Contents of Abstract in this Thesis:
Currently, scroll compressors are widely applied in the field of air-conditioning. Inside the compressor there is a pair of dynamic and statistic rotors are core elements, and affected by the inertia force of the overall structure during its operation, there may be problems such as misaligned principle axis and scroll rotor, machining precision, assembly error, asymmetric structure and inhomogeneous material, which may result in vibration and collision noises during the operation of compressor and other defects such as low efficiency of compressor and parts wear. However, only a few of domestic and foreign studies focus on CAE stimulation of scroll compressors, which mainly illustrate the dynamic balance computing method of dynamic single plane but not take the influences of inertia force and inertia moment produced during the operation of overall compressor; therefore, if one can establish a set of effective method to stimulate the contact force performance of scroll compressor and its dynamic balancing in prior to design and manufacturing. Consequently, this paper builds a set of method to calculate the dynamic balance of scroll compressor and design a weight balancing model. With the two sets of software SolidWorks and ADAMS, the paper establishes a dynamic stimulation model for scroll compressor to conduct structural mechanics analysis and capture the angular speed, mass center displacement change and contact force of scroll tooth of each part, as well as the time domain and frequency domain to obtain the parameters for design balancing weight, In addition, it uses the modeling approach to develop the improved new type of scroll compressor, analyze the dynamic characteristics of compressor after the dynamic balance is improved, including overall inertia force, inertia moment, characteristics of time/frequency domain of contact force between the two scrolls, and dynamic balance level G value, so as to testify that the proposed dynamic balancing design method can improve the dynamic characteristic of scroll compressors.
Key words: ADAMS, scroll compressor, dynamic balance, dynamic load analysis

並列關鍵字

ADAMS ； scroll compressor ； dynamic balance ； dynamic load analysis

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