基于verilog HDL的自動(dòng)售貨機(jī)控制電路設(shè)計(jì):
可以對(duì)5種不同種類的貨物進(jìn)行自動(dòng)售貨,價(jià)格分別為A=1.00,B=1.50,C=1.80,D=3.10,E=5.00 。售貨機(jī)可以接受1元,5角,1角三種硬幣(即有三種輸入信號(hào)IY,IWJ,IYJ),并且在一個(gè)3位7段LED(二位代表元,一位代表角)顯示以投入的總錢數(shù)，最大9.90元，如果大于該數(shù)值，新投入的硬幣會(huì)退出,選擇貨物的輸入信號(hào)Ia,Ib,Ic,Id,Ie和一個(gè)放棄信號(hào)In,輸出指示信號(hào)為 Sa, Sb ,Sc ,Sd, Se 分別表示售出相應(yīng)的貨物,同時(shí)輸出的信號(hào)yuan, jiao代表找零,相應(yīng)每個(gè)脈沖代表找零相應(yīng)的硬幣，上述輸入和輸出信號(hào)均是一個(gè)固定寬度的脈沖信號(hào)。
標(biāo)簽：
verilog
1.00
1.50
1.80
上傳時(shí)間：
2016-07-12
上傳用戶：lanwei
隨著光伏發(fā)電系統(tǒng)快速發(fā)展,以及電動(dòng)汽車充電樁的普及,傳統(tǒng)的剩余電流保護(hù)器無(wú)法滿足實(shí)際需求。介紹了一款B型剩余電流保護(hù)器,采用磁調(diào)制剩余電流互感器和零序電流互感器采集剩余電流。根據(jù)GB/T 22794—2017標(biāo)準(zhǔn)要求,可識(shí)別1 kHz及以下的正弦交流、帶和不帶直流分量的脈動(dòng)直流、平滑直流等剩余電流信號(hào)。經(jīng)信號(hào)調(diào)理電路將電壓信號(hào)送到單片機(jī)進(jìn)行采集和判斷。通過(guò)試驗(yàn)測(cè)試,該樣機(jī)在測(cè)試精度和速度上均符合國(guó)家標(biāo)準(zhǔn)的相關(guān)要求。The rapid development of photovoltaic power generation systems and the popularity of electric vehicle charging piles make the traditional residual current protective devices unable to meet the actual demand.This paper proposed a type B residual current protective device,which uses the magnetically modulated residual current transformer and the zero sequence current transformer to acquire the residual current.According to the requirements of GB/T 22794—2017,the type B residual current protective device can detect sinusoidal AC residual current of 1kHz and below 1kHz,pulsating DC residual current with and without DC component,smooth DC residual current and so on.The signal processing circuit sends the voltage signal to the MCU for acquisition and judgment.Through experimental tests,the device meets the relevant requirements of national standards in terms of test accuracy and speed.
標(biāo)簽：
電流保護(hù)器
上傳時(shí)間：
2022-03-27
上傳用戶：
