發(fā)布時間：2018-05-25 10:05

  本文選題：制冷壓縮機(jī) + 高效　； 參考：《湖南大學(xué)》2014年碩士論文

【摘要】：目前制冷壓縮機(jī)每年都要消耗大量的電能，而制冷壓縮機(jī)用單相異步電動機(jī)的效率則直接影響到制冷壓縮機(jī)及空調(diào)系統(tǒng)的能效比，同時它對節(jié)能降耗也有著很大的影響，所以對單相異步電機(jī)進(jìn)行優(yōu)化設(shè)計(jì)就顯得尤為重要了。因此電機(jī)設(shè)計(jì)工作者非常重視電機(jī)的優(yōu)化模型及優(yōu)化設(shè)計(jì)方法等問題。 本文的研究對象是制冷壓縮機(jī)用高效率單相電容運(yùn)轉(zhuǎn)式異步電機(jī)，通過理論分析、數(shù)值計(jì)算以及試驗(yàn)研究相結(jié)合的方法，，對制冷壓縮機(jī)用電容運(yùn)轉(zhuǎn)電機(jī)的設(shè)計(jì)過程、仿真進(jìn)行了詳細(xì)的分析，制造出了一臺新規(guī)電機(jī)并對其進(jìn)行了測試。本文首先概述了制冷壓縮機(jī)的相關(guān)發(fā)展歷程、現(xiàn)狀，介紹了制冷壓縮機(jī)電動機(jī)的選配原則，并對單相異步電機(jī)的基本結(jié)構(gòu)和運(yùn)行原理做了詳細(xì)分析；然后根據(jù)制冷壓縮機(jī)用單相異步電動機(jī)的使用要求及其設(shè)計(jì)特點(diǎn)，在量產(chǎn)樣機(jī)轉(zhuǎn)子參數(shù)不變的情況下，對量產(chǎn)樣機(jī)的定子進(jìn)行了優(yōu)化設(shè)計(jì)，主要針對定子軛部的切邊形式、定子繞組的參數(shù)及定子槽型分別進(jìn)行了改動，并在量產(chǎn)樣機(jī)分析的基礎(chǔ)上，提出了新規(guī)電機(jī)的設(shè)計(jì)思路，隨后采用Ansoft的RMxprt磁路分析軟件分別對量產(chǎn)樣機(jī)及新規(guī)電機(jī)進(jìn)行了電磁計(jì)算，并運(yùn)用Ansoft的Maxwell2D有限元分析軟件分別對量產(chǎn)樣機(jī)及新規(guī)電機(jī)進(jìn)行了建模仿真，并對量產(chǎn)樣機(jī)及新規(guī)電機(jī)的仿真結(jié)果進(jìn)行了對比分析；最后依據(jù)本文提出的設(shè)計(jì)方案，對新規(guī)電機(jī)進(jìn)行了試制，并對新規(guī)電機(jī)的相關(guān)性能進(jìn)行了測試，以驗(yàn)證本文設(shè)計(jì)思路的正確性，并結(jié)合實(shí)際測試結(jié)果與理論分析結(jié)果相比較，提出下一步的改善措施。 本文設(shè)計(jì)的新規(guī)電機(jī)與量產(chǎn)樣機(jī)比較的結(jié)果表明：新規(guī)電機(jī)的磁路設(shè)計(jì)合理，輸出性能良好，效率比量產(chǎn)樣機(jī)高出1.5個百分點(diǎn)，達(dá)到了預(yù)期的設(shè)計(jì)要求，研究結(jié)果具有較高的實(shí)用價值。
[Abstract]:At present, the refrigeration compressor consumes a lot of electric energy every year, and the efficiency of the single-phase asynchronous motor used in the refrigeration compressor has a direct impact on the energy efficiency ratio of the refrigeration compressor and the air conditioning system. At the same time, it also has a great impact on the energy saving and consumption reduction. So it is very important to optimize the design of single-phase asynchronous motor. Therefore, motor designers attach great importance to the optimization model and design methods. The research object of this paper is the high efficiency single-phase capacitor operated asynchronous motor used in refrigeration compressor. Through the combination of theoretical analysis, numerical calculation and experimental study, the design process of capacitor motor for refrigeration compressor is introduced. The simulation results show that a new motor is manufactured and tested. In this paper, the development history and current situation of refrigeration compressor are summarized, the principle of motor selection is introduced, and the basic structure and operation principle of single-phase asynchronous motor are analyzed in detail. Then, according to the requirements and design features of single-phase asynchronous motor for refrigeration compressor, the stator of mass production prototype is optimized under the condition of constant rotor parameters, which is mainly aimed at the edge cutting form of stator yoke. The parameters of stator windings and stator slot types are changed, and based on the analysis of mass production prototype, the design idea of new regulation motor is put forward. Then the electromagnetic calculation of the mass production prototype and the new gauge motor are carried out by using the RMxprt magnetic circuit analysis software of Ansoft, and the modeling and simulation of the mass production prototype and the new regulation motor are carried out by using the Maxwell2D finite element analysis software of Ansoft. The simulation results of mass production prototype and new regulation motor are compared and analyzed. Finally, according to the design scheme proposed in this paper, the new regulation motor is trial-produced, and the correlation performance of the new regulation motor is tested. In order to verify the correctness of the design ideas in this paper, combined with the actual test results and theoretical analysis results, the next improvement measures are put forward. The results show that the magnetic circuit design of the new regulation motor is reasonable, the output performance is good, and the efficiency is 1.5% higher than that of the mass production prototype, which meets the expected design requirements. The results are of high practical value.
【學(xué)位授予單位】：湖南大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM343;TB652

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