The auto lensmeter uses optic theory , motor technology , ccd technology and dsp technology . it realizes automatization , high precision and function diversification 全自動(dòng)數(shù)字查片儀利用了光學(xué)原理,電機(jī)技術(shù), ccd傳感器技術(shù)和dsp技術(shù),實(shí)現(xiàn)了鏡片檢測(cè)的自動(dòng)化、高精度化和功能的多樣化。
By comparison and analysis of the auto lensmeter used in domestic and abroad , optics theory and foci adjustment method are discussed , the formulation of diopter of glasses is given 本文通過對(duì)國(guó)內(nèi)外同種類型設(shè)備的比較和分析,給出了數(shù)字查片儀的光學(xué)原理和調(diào)焦原理,推導(dǎo)了鏡片屈光度的計(jì)算公式。
The auto lensmeter has completed debugging work using the board on the base of current optics system . it can make the high accurate measure . the work of the article establishs a foundation for the further development 在現(xiàn)有的光學(xué)系統(tǒng)為基礎(chǔ),利用開發(fā)板對(duì)系統(tǒng)進(jìn)行了調(diào)試,達(dá)到了一定的測(cè)量精度,為產(chǎn)品的進(jìn)一步開發(fā)奠定了堅(jiān)實(shí)的基礎(chǔ)。
The control system of auto lensmeter is designed , including the drive circuit and restoration circuit of step - motor . the corresponding software is designed and debugged for step - motor based on the control principle of dsp 對(duì)全自動(dòng)數(shù)字查片儀的控制系統(tǒng)進(jìn)行了設(shè)計(jì),包括步進(jìn)電動(dòng)機(jī)的驅(qū)動(dòng)電路和復(fù)位電路,并根據(jù)dsp控制原理設(shè)計(jì)了相應(yīng)的驅(qū)動(dòng)程序。