【摘要】：隨著海洋開發(fā)的不斷深入以及軍事應(yīng)用的要求,潛器和水下作業(yè)裝置的工作深度不斷增加,深水電機(jī)作為水下裝置的重要驅(qū)動元件,對其密封技術(shù)的要求也在不斷地提高。磁力密封驅(qū)動器的主動磁轉(zhuǎn)子和從動磁轉(zhuǎn)子之間通過磁力耦合傳遞運動、力和力矩,由電機(jī)驅(qū)動主動磁轉(zhuǎn)子,磁力通過隔離套驅(qū)動從動磁轉(zhuǎn)子運動,實現(xiàn)力矩的無接觸傳遞,變動密封為靜密封,可徹底解決機(jī)械傳動裝置軸封泄漏,實現(xiàn)零泄漏的運動傳遞,同時還可對電機(jī)進(jìn)行過載保護(hù)。 本文根據(jù)某水下裝置對水下電機(jī)密封的要求,設(shè)計了磁力密封驅(qū)動裝置的總體結(jié)構(gòu)方案,確定了磁力密封驅(qū)動裝置的磁路結(jié)構(gòu)；對磁體排列方式進(jìn)行研究,確定了的磁體排列方式；對磁路的長徑比進(jìn)行了合理的選擇,對永磁體厚度與磁極作用面弧長的合理匹配問題進(jìn)行了分析,確定了永磁材料的工作點,對磁路的轉(zhuǎn)矩計算方法及其進(jìn)行功率匹配計算和修正方法進(jìn)行研究,完成了磁力密封驅(qū)動器轉(zhuǎn)矩的設(shè)計計算和分析以及磁路和整體結(jié)構(gòu)尺寸設(shè)計；對永磁材料、軟磁材料、軛鐵材料以及隔離套材料進(jìn)行了分析并作出選擇,完成了隔離套的設(shè)計；對磁力密封驅(qū)動器工作時的渦流損失和水力摩擦損失進(jìn)行了分析和計算�；诮馕龇ǚ治鲇嬎愕慕Y(jié)果,采用ANSYS軟件對磁力密封驅(qū)動器的磁路進(jìn)行仿真、分析,對不同轉(zhuǎn)角差、磁極對數(shù)、軛鐵厚度時模型中磁場分布情況進(jìn)行分析、研究,仿真分析結(jié)果與理論計算結(jié)果一致。 委托信息產(chǎn)業(yè)傳感器產(chǎn)品質(zhì)量監(jiān)督檢驗中心對產(chǎn)品樣機(jī)進(jìn)行了實驗和測試,實驗結(jié)果表明磁力耦合密封驅(qū)動器樣機(jī)的性能達(dá)到了設(shè)計要求。
[Abstract]:With the development of ocean and the requirement of military application, the working depth of submersible and underwater equipment is increasing, and the requirement of deep water motor, as an important driving component of underwater device, is also increasing. The active magnetic rotor and the driven magnetic rotor of the magnetic seal driver transmit motion, force and torque through the magnetic coupling. The active magnetic rotor is driven by the motor, and the magnetic force drives the driven magnetic rotor motion through the isolation sleeve to realize the non-contact transfer of the torque. The change seal is static seal, which can completely solve the leakage of shaft seal of mechanical transmission device, realize the motion transfer of zero leakage, and also protect the motor from overload. In this paper, according to the requirements of underwater motor seal, the overall structure of magnetic seal driving device is designed, and the magnetic circuit structure of magnetic seal driving device is determined. The magnet arrangement mode is studied and the magnet arrangement mode is determined. The reasonable selection of the ratio of length to diameter of magnetic circuit and the reasonable matching between the thickness of permanent magnet and the arc length of magnetic pole surface are analyzed, and the working point of permanent magnet material is determined. The torque calculation method of magnetic circuit and its power matching calculation and correction method are studied. The design calculation and analysis of torque of magnetic seal driver and the design of magnetic circuit and overall structure size are completed. The permanent magnetic material, soft magnetic material, yoke iron material and isolation sleeve material are analyzed and selected, the design of isolation sleeve is completed, and the eddy current loss and hydraulic friction loss of magnetic seal driver are analyzed and calculated. Based on the results of analytical analysis and calculation, the magnetic circuit of magnetic seal driver is simulated by ANSYS software, and the distribution of magnetic field in the model with different rotation angle difference, logarithm of magnetic pole and thickness of yoke iron is analyzed. The simulation results are consistent with the theoretical results. The information industry sensor product quality supervision and inspection center was commissioned to carry on the experiment and the test to the product prototype. The experimental results show that the performance of the magneto-force coupling seal driver prototype meets the design requirements.
【學(xué)位授予單位】：哈爾濱工程大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2011
【分類號】：TH136

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本文編號：2310827