自動感應門的工作原理是什么
1、解鎖原理
自動門解鎖動作與開門動作之間的協調,應用于自動平移門的(de)(de)(de)電(dian)(dian)子(zi)鎖(suo)(suo)有(you)鎖(suo)(suo)皮帶的(de)(de)(de)電(dian)(dian)磁鎖(suo)(suo)和鎖(suo)(suo)門(men)體吊(diao)掛件的(de)(de)(de)電(dian)(dian)動鎖(suo)(suo),鎖(suo)(suo)電(dian)(dian)機的(de)(de)(de)三種(zhong)。后者用(yong)于重型自動平移門(men),自動平開(kai)(kai)(kai)門(men)的(de)(de)(de)電(dian)(dian)子(zi)鎖(suo)(suo)有(you)電(dian)(dian)磁門(men)吸(xi),電(dian)(dian)子(zi)插銷鎖(suo)(suo)和電(dian)(dian)子(zi)開(kai)(kai)(kai)門(men)器(qi),電(dian)(dian)子(zi)開(kai)(kai)(kai)門(men)的(de)(de)(de)作(zuo)(zuo)用(yong)力(li)方向不(bu)影響門(men)的(de)(de)(de)開(kai)(kai)(kai)啟動作(zuo)(zuo),不(bu)易發(fa)生(sheng)誤(wu)操作(zuo)(zuo)。還(huan)有(you)一種(zhong)帶觸(chu)(chu)點(dian)開(kai)(kai)(kai)關的(de)(de)(de)機械鎖(suo)(suo),使(shi)鎖(suo)(suo)與開(kai)(kai)(kai)關結合,鎖(suo)(suo)不(bu)處于開(kai)(kai)(kai)鎖(suo)(suo)狀(zhuang)態,觸(chu)(chu)點(dian)就(jiu)不(bu)能接觸(chu)(chu),不(bu)可能發(fa)生(sheng)誤(wu)操作(zuo)(zuo)。
2、集中控制原(yuan)理(li)
集中(zhong)(zhong)(zhong)控(kong)制的概念,包括集中(zhong)(zhong)(zhong)監(jian)(jian)視自(zi)動(dong)(dong)門(men)(men)運行狀(zhuang)態和集中(zhong)(zhong)(zhong)操作多個自(zi)動(dong)(dong)門(men)(men)兩層含(han)義(yi),集中(zhong)(zhong)(zhong)監(jian)(jian)視自(zi)動(dong)(dong)門(men)(men)開(kai)(kai)門(men)(men)關門(men)(men)狀(zhuang)態可以通(tong)過位(wei)置(zhi)(zhi)信(xin)號輸出電路來實現,可以采用接觸式(shi)開(kai)(kai)關,當(dang)門(men)(men)到達一(yi)定位(wei)置(zhi)(zhi)(如開(kai)(kai)啟位(wei)置(zhi)(zhi))時(shi),觸動(dong)(dong)開(kai)(kai)關而給出觸點信(xin)號。也可以采用感應式(shi)信(xin)號發生(sheng)裝置(zhi)(zhi),當(dang)感應器探測到門(men)(men)處(chu)于(yu)某一(yi)位(wei)置(zhi)(zhi)時(shi)發出信(xin)號。在中(zhong)(zhong)(zhong)控(kong)室(shi)設(she)置(zhi)(zhi)相應的指示燈,就可以顯示自(zi)動(dong)(dong)門(men)(men)的狀(zhuang)態,而集中(zhong)(zhong)(zhong)操作通(tong)常指同時(shi)將多個門(men)(men)打開(kai)(kai)或鎖住。
3、開門信號
自動門的開門(men)信(xin)(xin)號(hao)(hao)是(shi)觸點(dian)信(xin)(xin)號(hao)(hao),微波雷(lei)(lei)達(da)和紅(hong)外傳感器是(shi)常用的兩種信(xin)(xin)號(hao)(hao)源。微波雷(lei)(lei)達(da)是(shi)對(dui)物體的位移(yi)反應,因(yin)而反應速度(du)(du)快,適用于(yu)行走速度(du)(du)正常的人員通過的場所,它的特點(dian)是(shi)一(yi)旦在門(men)附近的人員不(bu)想出門(men)而靜(jing)止(zhi)不(bu)動后,雷(lei)(lei)達(da)便不(bu)再反應,自動門(men)就會關(guan)閉,對(dui)門(men)機有一(yi)定的保護作用。
紅(hong)外傳(chuan)感器對物體(ti)存(cun)在進行反(fan)應(ying),不管人員(yuan)移動(dong)與否,只要(yao)處于(yu)傳(chuan)感器的(de)掃描(miao)范圍內,它都會反(fan)應(ying)即傳(chuan)出觸點信號。缺點是紅(hong)外傳(chuan)感器的(de)反(fan)應(ying)速(su)度較(jiao)慢,適用于(yu)有行動(dong)遲緩的(de)人員(yuan)出入的(de)場所。
另外,如果(guo)自動門(men)(men)接(jie)(jie)受觸點信號時(shi)(shi)間過長(chang)(chang),控制器(qi)會認為(wei)信號輸入系統出現障礙。而且(qie)自動平移門(men)(men)如果(guo)保持(chi)開啟時(shi)(shi)間過長(chang)(chang),也會對電氣部件產生(sheng)損害。由于微波(bo)雷達(da)和(he)紅(hong)外傳感器(qi)并不了解接(jie)(jie)近自動門(men)(men)的人是否真(zhen)要(yao)進門(men)(men),所以(yi)有些場合(he)更愿意使用按鍵開關。
自動感應門基本結構組成
自(zi)動門的(de)種(zhong)類(lei)很多,結(jie)構型式不同(tong),但其(qi)基(ji)本結(jie)構主要有三(san)大部(bu)分,即(ji)門體門框部(bu)分、驅動和傳動部(bu)分、控制和傳感器檢測部(bu)分。
1、門體
門(men)(men)(men)體(ti)(ti)是自動門(men)(men)(men)的主要部件,由(you)于各類(lei)門(men)(men)(men)體(ti)(ti)的平面特(te)征(zheng)和立體(ti)(ti)特(te)征(zheng),因而門(men)(men)(men)體(ti)(ti)的構成(cheng)方法有兩種,即平面構成(cheng)法和立體(ti)(ti)構成(cheng)法。
2、驅動
自動門的(de)(de)驅動(dong)(dong)(dong)(dong)(dong)裝(zhuang)置由電動(dong)(dong)(dong)(dong)(dong)機(ji)和減(jian)(jian)速(su)(su)器(qi)或(huo)電動(dong)(dong)(dong)(dong)(dong)機(ji)和液壓系統組成(cheng),按照控制裝(zhuang)置的(de)(de)指令驅動(dong)(dong)(dong)(dong)(dong)裝(zhuang)置設(she)定(ding)的(de)(de)程序(xu)工作(zuo),帶動(dong)(dong)(dong)(dong)(dong)門體(ti)(ti)(ti)開、關。從(cong)驅動(dong)(dong)(dong)(dong)(dong)裝(zhuang)置到門體(ti)(ti)(ti)的(de)(de)運(yun)動(dong)(dong)(dong)(dong)(dong),中(zhong)間要(yao)(yao)有傳(chuan)動(dong)(dong)(dong)(dong)(dong)機(ji)構(gou),減(jian)(jian)速(su)(su)器(qi)是傳(chuan)動(dong)(dong)(dong)(dong)(dong)機(ji)構(gou)的(de)(de)一部(bu)分。減(jian)(jian)速(su)(su)器(qi)和電機(ji)大部(bu)分已連(lian)成(cheng)一體(ti)(ti)(ti),成(cheng)為減(jian)(jian)速(su)(su)電機(ji),這(zhe)樣(yang)會使設(she)備簡化,容(rong)易(yi)做到標準化、小型化。除減(jian)(jian)速(su)(su)器(qi)外(wai),還要(yao)(yao)根據具體(ti)(ti)(ti)需要(yao)(yao)設(she)計傳(chuan)動(dong)(dong)(dong)(dong)(dong)機(ji)構(gou)。傳(chuan)動(dong)(dong)(dong)(dong)(dong)機(ji)構(gou)可以(yi)是齒輪傳(chuan)動(dong)(dong)(dong)(dong)(dong)、鏈條傳(chuan)動(dong)(dong)(dong)(dong)(dong),也可以(yi)是高(gao)效率(lv)的(de)(de)同(tong)步帶川傳(chuan)動(dong)(dong)(dong)(dong)(dong)。
3、控制
控(kong)制器是由一(yi)個(ge)微型(xing)計(ji)算機為主體的控(kong)制裝置(zhi),它接受檢測(ce)傳感器的信號,讓驅動裝置(zhi)工(gong)作,完成門(men)體的啟閉。