船用斷路器抗振動性能研究
黃文輝1,于慶瑞1,2,楊煉3,王軍1
(1 甘肅長城氫能源工程研究院有限公司,甘肅 天水 741024;
2 西安交通大學(xué) 電氣工程學(xué)院,陜西 西安 710049;
3 上海大學(xué) 機(jī)電工程與自動化學(xué)院,上海 200444)
摘 要:由于工作環(huán)境的特殊性,船用斷路器不可避免地會受到艦船螺旋槳周期旋轉(zhuǎn)等引起的振動載荷。采用有限元法建立了整個斷路器系統(tǒng)在振動作用下的有限元動力學(xué)模型,并通過加載真實(shí)的振動載荷,對斷路器進(jìn)行動力響應(yīng)分析。根據(jù)分析結(jié)果,對斷路器整體結(jié)構(gòu)強(qiáng)度和是否發(fā)生誤動作出評價(jià),找出斷路器結(jié)構(gòu)敏感薄弱位置及變化規(guī)律,并對此進(jìn)行了結(jié)構(gòu)優(yōu)化設(shè)計(jì)。
關(guān)鍵詞: 船用斷路器;振動;有限元動力學(xué);結(jié)構(gòu)優(yōu)化
中圖分類號:TM561 文獻(xiàn)標(biāo)識碼:A 文章編號:1007-3175(2022)11-0056-05
Study on Vibration Resistance of Marine Circuit Breaker
HUANG Wen-hui1, YU Qing-rui1,2, YANG Lian3, WANG Jun1
(1 Gansu Great Wall Hydrogen Energy Engineering Research Institute Co., Ltd,Tianshui 741024, China;
2 School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China;
3 School of Mechatronic Engineering and Automation, Shanghai University, Shanghai 200444, China)
Abstract: It is inevitable that the marine circuit breaker will be affected by vibration load caused by ship propeller periodic rotation because of its special working environment. The finite element method is applied to build a finite element dynamic model when the whole circuit breaker system is under vibration, and dynamic response of the circuit breaker is analyzed by loading real vibration load. The authors,according to the analyzed results, evaluate the overall structural strength of the circuit breaker and the occurrence of misoperation, find out the sensitive weak position of the circuit breaker structure and their variation laws, and optimize structural design of marine circuit breakers.
Key words: marine circuit breaker; vibration; finite element dynamics; structural optimization
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