本文選題：萬(wàn)能轉(zhuǎn)換開(kāi)關(guān) + 有限元分析　； 參考：《電子科技大學(xué)》2014年碩士論文

【摘要】：萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)是一種多檔式,控制多個(gè)回路的主令電器,萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)主要用于多種控制線路的轉(zhuǎn)換、配電裝置線路的遙控和轉(zhuǎn)換、電壓表的換相測(cè)量控制等。萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)是一種手動(dòng)操作的低壓電器產(chǎn)品,通常基于凸輪形狀和排列的改變,控制由多個(gè)觸頭組成的接觸系統(tǒng)的工作狀態(tài)以達(dá)到各種不同的需求。萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)其核心部分是控制其工作狀態(tài)的凸輪機(jī)構(gòu)。傳統(tǒng)的設(shè)計(jì)流程一般都是根據(jù)實(shí)際的需求和規(guī)格,通過(guò)設(shè)計(jì)人員設(shè)計(jì)凸輪的簡(jiǎn)單幾何形狀和運(yùn)動(dòng)狀態(tài)來(lái)滿足從動(dòng)件的簡(jiǎn)單運(yùn)動(dòng)要求。確定設(shè)計(jì)方案后,便開(kāi)始開(kāi)模生產(chǎn)試驗(yàn)樣件,產(chǎn)品的各項(xiàng)測(cè)試都在樣件制作完成之后才能進(jìn)行因此問(wèn)題如果一旦發(fā)生,不僅需要增加必需的設(shè)計(jì)成本,而且相關(guān)的前期工作也需要去改動(dòng),問(wèn)題如果發(fā)生的越晚,重新設(shè)計(jì)所付出的的成本增加的越多,會(huì)帶來(lái)大量的重復(fù)設(shè)計(jì)工作,還有延長(zhǎng)設(shè)計(jì)研發(fā)周期,帶來(lái)更大的損失,所以預(yù)估產(chǎn)品的特性就成為了產(chǎn)品在設(shè)計(jì)過(guò)程中的重要環(huán)節(jié)。本課題主要針對(duì)OC25型萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)作為研究對(duì)象,使用ANSYS/LS-DYNA顯式動(dòng)力學(xué)對(duì)萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)主要工作部分的工作情況進(jìn)行動(dòng)態(tài)模擬仿真,通過(guò)UG對(duì)萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)的幾何模型進(jìn)行修改,并通過(guò)接口將幾何模型導(dǎo)入ANSYS/LS-DYNA建立適當(dāng)?shù)挠邢拊Ｐ瓦M(jìn)行分析,分別通過(guò)ANSYS和LS-DYNA的后處理器對(duì)萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)在工作過(guò)程中的應(yīng)力分布,應(yīng)力隨時(shí)間的變化,各零件之間相互接觸的情況和接觸力等結(jié)果進(jìn)行分析,通過(guò)預(yù)估萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)的工作情況,對(duì)萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)進(jìn)行分析,并提出優(yōu)化的方法。在動(dòng)力學(xué)仿真過(guò)后,通過(guò)分析動(dòng)力學(xué)仿真結(jié)果,選取轉(zhuǎn)換開(kāi)關(guān)的部分參數(shù)進(jìn)行優(yōu)選,主要通過(guò)分析不同的參數(shù)對(duì)萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)的工作狀態(tài)的影響,擬合出各參數(shù)與萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)工作狀態(tài)的關(guān)系,找出較為良好的數(shù)值,從而達(dá)到對(duì)萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)的優(yōu)化效果,提高萬(wàn)能轉(zhuǎn)換開(kāi)關(guān)的產(chǎn)品質(zhì)量。
[Abstract]:Universal switching switch is a kind of multi-stage main control device which controls multiple circuits. The universal switch is mainly used for the conversion of various control lines, the remote control and conversion of distribution line, the measurement and control of voltmeter commutation, etc. Universal switch is a manual operation of low-voltage electrical products, usually based on the shape and arrangement of the cam changes, control the working state of the contact system composed of multiple contacts to achieve a variety of requirements. The core part of universal switch is the cam mechanism which controls its working state. The traditional design flow is generally according to the actual requirements and specifications through the design of the simple geometric shape and motion state of the cam to meet the simple motion requirements of the follower. Once the design plan has been determined, we begin to open the mold to produce the test sample, and all tests of the product can only be carried out after the sample has been made, so if the problem arises, not only will the necessary design cost be increased, And the related preliminary work also needs to be changed. The later the problem occurs, the more the cost of the redesign will increase, which will lead to a lot of repetitive design work, as well as the extension of the design research and development cycle and the greater loss. Therefore, estimating the characteristics of the product has become an important part of the design process. This paper mainly aims at the OC25 universal converter switch as the research object, uses ANSYS/LS-DYNA explicit dynamics to simulate the main working part of the universal converter switch, and modifies the geometric model of the universal converter switch by UG. Then the geometric model is imported into ANSYS/LS-DYNA to establish the appropriate finite element model for analysis. The stress distribution and the change of stress with time during the operation of universal switch are analyzed by the post-processor of ANSYS and LS-DYNA, respectively. The results of contact and contact force between different parts are analyzed. By predicting the working condition of universal switch, the universal switch is analyzed, and the optimization method is put forward. After dynamic simulation, by analyzing the results of dynamic simulation, some parameters of switching switch are selected for optimal selection, mainly by analyzing the influence of different parameters on the working state of universal switching switch. The relationship between the parameters and the working state of the universal converter switch is fitted, and a better numerical value is found, thus the optimization effect of the universal converter switch is achieved and the product quality of the universal converter switch is improved.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TM564

【參考文獻(xiàn)】

相關(guān)期刊論文 前1條

1 翟建軍;喬新宇;丁秋林;;基于掃掠法的六面體網(wǎng)格生成算法及實(shí)現(xiàn)[J];南京航空航天大學(xué)學(xué)報(bào);2007年01期

，

本文編號(hào)：1811170