隨著科(ke)學技(ji)術的(de)(de)(de)(de)發(fa)展，對傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)需(xu)求量(liang)與日俱(ju)增，其應(ying)用(yong)(yong)的(de)(de)(de)(de)領(ling)域(yu)已滲入到國民經(jing)濟的(de)(de)(de)(de)各(ge)個(ge)部門以及日常文化生活(huo)之中(zhong)。在(zai)(zai)這(zhe)些(xie)應(ying)用(yong)(yong)中(zhong)選(xuan)擇傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)對任何(he)項(xiang)目(mu)都具有(you)挑(tiao)戰性。系統(tong)的(de)(de)(de)(de)性能(neng)在(zai)(zai)很(hen)大程(cheng)度上(shang)取決于(yu)(yu)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)和(he)應(ying)用(yong)(yong)程(cheng)序其他(ta)組件的(de)(de)(de)(de)可靠性。下(xia)面一起(qi)了解(jie)一下(xia)超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)與紅外(wai)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)哪個(ge)更好？為了確(que)定適合(he)項(xiang)目(mu)應(ying)用(yong)(yong)的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)，傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)選(xuan)擇需(xu)要(yao)考慮一些(xie)因(yin)素(su)。1、準(zhun)確(que)度-讀(du)數與真實距(ju)離(li)的(de)(de)(de)(de)接近程(cheng)度。2、分辨率-可以報告的(de)(de)(de)(de)最小(xiao)讀(du)數或(huo)讀(du)數變(bian)化。3、精度-可重(zhong)復且可靠地讀(du)取的(de)(de)(de)(de)最小(xiao)讀(du)數。超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)與紅外(wai)線傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)它們如何(he)工作？1、超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)工作原理是反射聲(sheng)(sheng)(sheng)(sheng)波，用(yong)(yong)于(yu)(yu)測(ce)量(liang)距(ju)離(li)。一個(ge)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)可以檢(jian)(jian)測(ce)到附(fu)近的(de)(de)(de)(de)其他(ta)人超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)發(fa)出聲(sheng)(sheng)(sheng)(sheng)波，如果前面有(you)物(wu)體，它們會(hui)被(bei)反射回(hui)來。傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)檢(jian)(jian)測(ce)這(zhe)些(xie)波并(bing)測(ce)量(liang)發(fa)送和(he)接收這(zhe)些(xie)聲(sheng)(sheng)(sheng)(sheng)波之間(jian)的(de)(de)(de)(de)時間(jian)。然后通(tong)過傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)和(he)物(wu)體之間(jian)的(de)(de)(de)(de)時間(jian)間(jian)隔估算距(ju)離(li)。超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)在(zai)(zai)很(hen)大程(cheng)度上(shang)對阻礙因(yin)素(su)完全不敏感(gan)(gan)(gan)，例如：光、灰塵、抽煙(yan)、薄霧、汽、皮棉。在(zai)(zai)定義區域(yu)邊緣時，超聲(sheng)(sheng)(sheng)(sheng)波不如紅外(wai)線好。超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)用(yong)(yong)于(yu)(yu)液位測(ce)量(liang)，物(wu)體檢(jian)(jian)測(ce)，距(ju)離(li)測(ce)量(liang)，防碰(peng)撞檢(jian)(jian)測(ce)和(he)托盤檢(jian)(jian)測(ce)等。超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)用(yong)(yong)于(yu)(yu)提高操作效率并(bing)在(zai)(zai)制造設(she)施中(zhong)提供額外(wai)的(de)(de)(de)(de)安全性。這(zhe)是推動超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)需(xu)求的(de)(de)(de)(de)主要(yao)因(yin)素(su)。浙江羅(luo)舸智(zhi)能(neng)科(ke)技(ji)有(you)限公司致力(li)于(yu)(yu)提供超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)，有(you)需(xu)要(yao)可以聯(lian)系我司哦！廣東超聲(sheng)(sheng)(sheng)(sheng)波傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)設(she)備

另外，它也有(you)折(zhe)射和(he)反射現象，且在(zai)(zai)傳(chuan)(chuan)(chuan)播(bo)過程中(zhong)有(you)衰(shuai)(shuai)減(jian)。在(zai)(zai)空(kong)(kong)氣中(zhong)傳(chuan)(chuan)(chuan)播(bo)超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)頻率較(jiao)低，一(yi)般為幾(ji)十kHz，但衰(shuai)(shuai)減(jian)較(jiao)快；在(zai)(zai)固(gu)體、液體中(zhong)傳(chuan)(chuan)(chuan)播(bo)頻率較(jiao)高，但衰(shuai)(shuai)減(jian)較(jiao)小，傳(chuan)(chuan)(chuan)播(bo)較(jiao)遠(yuan)。3.超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)的(de)(de)(de)(de)特(te)點超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)的(de)(de)(de)(de)指(zhi)向(xiang)性(xing)(xing)好(hao)，不易(yi)發(fa)散(san)，能(neng)量(liang)(liang)集中(zhong)，因此穿透本領大(da)(da)(da)，在(zai)(zai)穿透幾(ji)米(mi)厚的(de)(de)(de)(de)鋼板(ban)后，能(neng)量(liang)(liang)損失(shi)不大(da)(da)(da)。超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)在(zai)(zai)遇到(dao)兩種介質的(de)(de)(de)(de)分(fen)界面時，能(neng)產(chan)(chan)生(sheng)明顯的(de)(de)(de)(de)反射和(he)折(zhe)射現象，這一(yi)現象類似于光波(bo)(bo)(bo)。超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)的(de)(de)(de)(de)頻率越高，其聲(sheng)(sheng)場指(zhi)向(xiang)性(xing)(xing)就越好(hao)，與光波(bo)(bo)(bo)的(de)(de)(de)(de)反射、折(zhe)射特(te)性(xing)(xing)就越接(jie)近。利(li)用超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)的(de)(de)(de)(de)特(te)性(xing)(xing)，可做(zuo)成各(ge)種超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，配上(shang)不同的(de)(de)(de)(de)電(dian)(dian)路，制成各(ge)種超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)測(ce)量(liang)(liang)儀器(qi)(qi)(qi)(qi)及裝置，并(bing)在(zai)(zai)通信、醫療、家電(dian)(dian)等各(ge)方面得(de)到(dao)廣泛應用。4.超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)原理超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)是(shi)利(li)用超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)的(de)(de)(de)(de)特(te)性(xing)(xing)研制而成的(de)(de)(de)(de)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，由(you)發(fa)送傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)、接(jie)收傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)、控制部(bu)分(fen)與電(dian)(dian)源部(bu)分(fen)組成。發(fa)送器(qi)(qi)(qi)(qi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)由(you)發(fa)送器(qi)(qi)(qi)(qi)與使用直徑為15mm左右的(de)(de)(de)(de)陶瓷(ci)振子(zi)換(huan)(huan)能(neng)器(qi)(qi)(qi)(qi)組成，換(huan)(huan)能(neng)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)作用是(shi)將陶瓷(ci)振子(zi)的(de)(de)(de)(de)電(dian)(dian)振動(dong)能(neng)量(liang)(liang)轉換(huan)(huan)成超(chao)能(neng)量(liang)(liang)并(bing)向(xiang)空(kong)(kong)中(zhong)輻射；接(jie)收傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)由(you)陶瓷(ci)振子(zi)換(huan)(huan)能(neng)器(qi)(qi)(qi)(qi)與放大(da)(da)(da)電(dian)(dian)路組成，換(huan)(huan)能(neng)器(qi)(qi)(qi)(qi)接(jie)收波(bo)(bo)(bo)產(chan)(chan)生(sheng)機械振動(dong)，將其變換(huan)(huan)成電(dian)(dian)能(neng)量(liang)(liang)，作為傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)接(jie)收器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)輸出，從(cong)而對發(fa)送的(de)(de)(de)(de)超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)進行檢測(ce)。實際使用中(zhong)，用作發(fa)送傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)陶瓷(ci)振子(zi)也可用作接(jie)收器(qi)(qi)(qi)(qi)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)上(shang)的(de)(de)(de)(de)陶瓷(ci)振子(zi)。大(da)(da)(da)同激(ji)光超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)浙江(jiang)羅舸智能(neng)科(ke)技有(you)限公司為您提(ti)供超(chao)聲(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)，有(you)想法的(de)(de)(de)(de)可以(yi)來電(dian)(dian)咨詢(xun)！

一(yi)種(zhong)是(shi)基于單片(pian)機或者嵌(qian)(qian)入(ru)式設備的(de)(de)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)測(ce)距(ju)系統(tong)，一(yi)種(zhong)是(shi)基于CPLD(ComplexProgrammableLogicDevice)的(de)(de)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)測(ce)距(ju)系統(tong)。如圖1所(suo)示，實驗采(cai)用(yong)第(di)一(yi)種(zhong)方(fang)(fang)案，利用(yong)嵌(qian)(qian)入(ru)式設備編程產(chan)生(sheng)頻(pin)率為(wei)40KHz的(de)(de)方(fang)(fang)波(bo)(bo)(bo)(bo)，經過(guo)(guo)發(fa)(fa)射(she)(she)(she)(she)(she)驅動電路(lu)放(fang)大，使超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感器(qi)發(fa)(fa)射(she)(she)(she)(she)(she)端(duan)震蕩(dang)，發(fa)(fa)射(she)(she)(she)(she)(she)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)。超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)經發(fa)(fa)射(she)(she)(she)(she)(she)物(wu)反(fan)(fan)射(she)(she)(she)(she)(she)回來，由傳(chuan)感器(qi)接(jie)(jie)收(shou)(shou)端(duan)接(jie)(jie)收(shou)(shou)，再經過(guo)(guo)接(jie)(jie)收(shou)(shou)電路(lu)放(fang)大、整形。以嵌(qian)(qian)入(ru)式微**的(de)(de)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)測(ce)距(ju)系統(tong)通(tong)(tong)過(guo)(guo)嵌(qian)(qian)入(ru)式設備記錄超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)發(fa)(fa)射(she)(she)(she)(she)(she)的(de)(de)時(shi)(shi)間(jian)(jian)(jian)(jian)和反(fan)(fan)射(she)(she)(she)(she)(she)波(bo)(bo)(bo)(bo)的(de)(de)時(shi)(shi)間(jian)(jian)(jian)(jian)。當收(shou)(shou)到(dao)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)的(de)(de)反(fan)(fan)射(she)(she)(she)(she)(she)波(bo)(bo)(bo)(bo)時(shi)(shi)，接(jie)(jie)收(shou)(shou)電路(lu)輸出(chu)端(duan)產(chan)生(sheng)一(yi)個跳變。通(tong)(tong)過(guo)(guo)定時(shi)(shi)器(qi)計(ji)數，計(ji)算(suan)時(shi)(shi)間(jian)(jian)(jian)(jian)差(cha)，就(jiu)(jiu)可以計(ji)算(suan)出(chu)相應的(de)(de)距(ju)離。圖1超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)測(ce)距(ju)原(yuan)(yuan)理(li)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)測(ce)距(ju)的(de)(de)原(yuan)(yuan)理(li)是(shi)利用(yong)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)在(zai)空(kong)氣(qi)中的(de)(de)傳(chuan)播(bo)速度(du)為(wei)已知(zhi)，測(ce)量聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)在(zai)發(fa)(fa)射(she)(she)(she)(she)(she)后遇到(dao)障礙物(wu)反(fan)(fan)射(she)(she)(she)(she)(she)回來的(de)(de)時(shi)(shi)間(jian)(jian)(jian)(jian)，根據發(fa)(fa)射(she)(she)(she)(she)(she)和接(jie)(jie)收(shou)(shou)的(de)(de)時(shi)(shi)間(jian)(jian)(jian)(jian)差(cha)計(ji)算(suan)出(chu)發(fa)(fa)射(she)(she)(she)(she)(she)點(dian)到(dao)障礙物(wu)的(de)(de)實際距(ju)離。首先(xian)，超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)發(fa)(fa)射(she)(she)(she)(she)(she)器(qi)向某一(yi)方(fang)(fang)向發(fa)(fa)射(she)(she)(she)(she)(she)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)，在(zai)發(fa)(fa)射(she)(she)(she)(she)(she)時(shi)(shi)刻的(de)(de)同(tong)時(shi)(shi)開始(shi)計(ji)時(shi)(shi)，超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)在(zai)空(kong)氣(qi)中傳(chuan)播(bo)，途中碰到(dao)障礙物(wu)就(jiu)(jiu)立即(ji)返回來，超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)接(jie)(jie)收(shou)(shou)器(qi)收(shou)(shou)到(dao)反(fan)(fan)射(she)(she)(she)(she)(she)波(bo)(bo)(bo)(bo)就(jiu)(jiu)立即(ji)停止計(ji)時(shi)(shi)。超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)在(zai)空(kong)氣(qi)中的(de)(de)傳(chuan)播(bo)速度(du)為(wei)C=340m/s，根據計(ji)時(shi)(shi)器(qi)記錄的(de)(de)時(shi)(shi)間(jian)(jian)(jian)(jian)T秒，就(jiu)(jiu)可以計(ji)算(suan)出(chu)發(fa)(fa)射(she)(she)(she)(she)(she)點(dian)距(ju)障礙物(wu)的(de)(de)距(ju)離L，即(ji)：L=C×T/2。這就(jiu)(jiu)是(shi)所(suo)謂的(de)(de)時(shi)(shi)間(jian)(jian)(jian)(jian)差(cha)測(ce)距(ju)法。由于超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)也(ye)是(shi)一(yi)種(zhong)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)，其(qi)聲(sheng)(sheng)(sheng)速C與溫度(du)有(you)關(guan)。

超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)是(shi)(shi)將(jiang)超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)信號轉換成(cheng)(cheng)(cheng)其他能量信號（通常是(shi)(shi)電(dian)信號）的(de)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)。超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)是(shi)(shi)振動(dong)頻(pin)率高于20kHz的(de)機械波(bo)(bo)(bo)(bo)。它(ta)具有(you)(you)頻(pin)率高、波(bo)(bo)(bo)(bo)長短、繞射(she)現象(xiang)小(xiao)，特別是(shi)(shi)方向(xiang)(xiang)性(xing)好(hao)、能夠成(cheng)(cheng)(cheng)為(wei)射(she)線而定向(xiang)(xiang)傳(chuan)播等特點(dian)。超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)對(dui)液體、固體的(de)穿透本領很大，尤其是(shi)(shi)在(zai)陽光不透明(ming)的(de)固體中。超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)碰(peng)到(dao)雜質(zhi)或分(fen)界面(mian)會(hui)產生(sheng)反(fan)射(she)形成(cheng)(cheng)(cheng)反(fan)射(she)回波(bo)(bo)(bo)(bo)，碰(peng)到(dao)活(huo)動(dong)物(wu)體能產生(sheng)多(duo)(duo)普勒效應(ying)(ying)(ying)。超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)廣泛應(ying)(ying)(ying)用在(zai)工業、、生(sheng)物(wu)醫(yi)(yi)學(xue)等方面(mian)。中文名超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)外文名Ultrasonicsensor所屬(shu)類別傳(chuan)感(gan)器(qi)(qi)(qi)(qi)物(wu)理(li)(li)學(xue)原(yuan)理(li)(li)超(chao)(chao)(chao)(chao)聲(sheng)換能器(qi)(qi)(qi)(qi)適用領域工業、、生(sheng)物(wu)醫(yi)(yi)學(xue)目錄(lu)1組(zu)(zu)成(cheng)(cheng)(cheng)部分(fen)2性(xing)能指標?工作(zuo)頻(pin)率?工作(zuo)溫度(du)?靈敏度(du)?指向(xiang)(xiang)性(xing)3相(xiang)關(guan)應(ying)(ying)(ying)用?主要(yao)應(ying)(ying)(ying)用?具體應(ying)(ying)(ying)用4工作(zuo)相(xiang)關(guan)?工作(zuo)原(yuan)理(li)(li)?工作(zuo)程式(shi)?工作(zuo)模式(shi)5系統構成(cheng)(cheng)(cheng)6檢測(ce)方式(shi)7檢測(ce)好(hao)壞8液位(wei)測(ce)試9其他?區分(fen)?注意事項(xiang)?暴露問題(ti)超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)組(zu)(zu)成(cheng)(cheng)(cheng)部分(fen)編輯超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)-MB7780常用的(de)超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)由壓(ya)電(dian)晶片組(zu)(zu)成(cheng)(cheng)(cheng)，既可以發射(she)超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)，也(ye)可以接(jie)(jie)收超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)。小(xiao)功(gong)率超(chao)(chao)(chao)(chao)聲(sheng)探(tan)(tan)(tan)頭(tou)多(duo)(duo)作(zuo)探(tan)(tan)(tan)測(ce)作(zuo)用。它(ta)有(you)(you)許多(duo)(duo)不同的(de)結構，可分(fen)直探(tan)(tan)(tan)頭(tou)（縱波(bo)(bo)(bo)(bo)）、斜探(tan)(tan)(tan)頭(tou)（橫波(bo)(bo)(bo)(bo)）、表面(mian)波(bo)(bo)(bo)(bo)探(tan)(tan)(tan)頭(tou)（表面(mian)波(bo)(bo)(bo)(bo)）、蘭姆波(bo)(bo)(bo)(bo)探(tan)(tan)(tan)頭(tou)（蘭姆波(bo)(bo)(bo)(bo)）、雙探(tan)(tan)(tan)頭(tou)（一(yi)個(ge)探(tan)(tan)(tan)頭(tou)發射(she)、一(yi)個(ge)探(tan)(tan)(tan)頭(tou)接(jie)(jie)收）等。超(chao)(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)(bo)傳(chuan)感(gan)器(qi)(qi)(qi)(qi)，就選浙江羅舸智能科技有(you)(you)限公司，讓您(nin)滿意，有(you)(you)想法(fa)可以來我(wo)司咨詢！

無信號(hao)時輸出高電(dian)(dian)(dian)(dian)平)，具有(you)(you)(you)很(hen)好的(de)(de)(de)靈(ling)(ling)敏(min)度和較強的(de)(de)(de)抗干擾(rao)能力。適當更改(gai)電(dian)(dian)(dian)(dian)容C4的(de)(de)(de)大(da)小，可以改(gai)變接(jie)(jie)收(shou)電(dian)(dian)(dian)(dian)路的(de)(de)(de)靈(ling)(ling)敏(min)度和抗干擾(rao)能力。圖(tu)8超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)接(jie)(jie)收(shou)電(dian)(dian)(dian)(dian)路圖(tu)9給出了(le)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)測距(ju)(ju)模塊的(de)(de)(de)電(dian)(dian)(dian)(dian)路。圖(tu)10超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)收(shou)發(fa)電(dian)(dian)(dian)(dian)路超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)測距(ju)(ju)模塊的(de)(de)(de)影響因素超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)傳(chuan)(chuan)感(gan)(gan)器應(ying)用起來(lai)原理(li)簡單(dan)，也(ye)很(hen)方便，成本(ben)也(ye)很(hen)低(di)。但是(shi)目前的(de)(de)(de)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)傳(chuan)(chuan)感(gan)(gan)器都有(you)(you)(you)一些(xie)缺(que)點，比如，反(fan)射(she)問(wen)題(ti)(ti)，噪音，交叉問(wen)題(ti)(ti)。1.反(fan)射(she)問(wen)題(ti)(ti)如果被(bei)(bei)探(tan)測物體(ti)始終(zhong)在合適的(de)(de)(de)角(jiao)(jiao)度，那超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)傳(chuan)(chuan)感(gan)(gan)器將會獲得正(zheng)確的(de)(de)(de)角(jiao)(jiao)度。但是(shi)不幸的(de)(de)(de)是(shi)，在實(shi)際使用中(zhong)，很(hen)少(shao)被(bei)(bei)探(tan)測物體(ti)是(shi)能被(bei)(bei)正(zheng)確的(de)(de)(de)檢測的(de)(de)(de)。其中(zhong)可能會出現(xian)幾種(zhong)誤差：1)三角(jiao)(jiao)誤差當被(bei)(bei)測物體(ti)與(yu)傳(chuan)(chuan)感(gan)(gan)器成一定(ding)角(jiao)(jiao)度的(de)(de)(de)時候，所(suo)探(tan)測的(de)(de)(de)距(ju)(ju)離(li)和實(shi)際距(ju)(ju)離(li)有(you)(you)(you)個(ge)三角(jiao)(jiao)誤差。2)鏡面反(fan)射(she)這(zhe)個(ge)問(wen)題(ti)(ti)和高中(zhong)物理(li)中(zhong)所(suo)學(xue)的(de)(de)(de)光(guang)的(de)(de)(de)反(fan)射(she)是(shi)一樣(yang)的(de)(de)(de)。在特定(ding)的(de)(de)(de)角(jiao)(jiao)度下(xia)，發(fa)出的(de)(de)(de)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)被(bei)(bei)光(guang)滑的(de)(de)(de)物體(ti)鏡面反(fan)射(she)出去，因此無法產生回波(bo)(bo)(bo)(bo)，也(ye)就(jiu)無法產生距(ju)(ju)離(li)讀(du)數。這(zhe)時超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)傳(chuan)(chuan)感(gan)(gan)器會忽視這(zhe)個(ge)物體(ti)的(de)(de)(de)存(cun)在。3)多(duo)次(ci)反(fan)射(she)這(zhe)種(zhong)現(xian)象在探(tan)測墻角(jiao)(jiao)或者類(lei)似結構的(de)(de)(de)物體(ti)時比較常見。聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)經過(guo)多(duo)次(ci)反(fan)彈才被(bei)(bei)傳(chuan)(chuan)感(gan)(gan)器接(jie)(jie)收(shou)到(dao)，因此實(shi)際的(de)(de)(de)探(tan)測值并不是(shi)真(zhen)實(shi)的(de)(de)(de)距(ju)(ju)離(li)值。這(zhe)些(xie)問(wen)題(ti)(ti)可以通(tong)過(guo)使用多(duo)個(ge)按照一定(ding)角(jiao)(jiao)度排列(lie)的(de)(de)(de)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)圈來(lai)解決。通(tong)過(guo)探(tan)測多(duo)個(ge)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)的(de)(de)(de)返回值，用來(lai)篩(shai)選出正(zheng)確的(de)(de)(de)讀(du)數。。超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)傳(chuan)(chuan)感(gan)(gan)器，就(jiu)選浙江羅舸智能科技有(you)(you)(you)限公(gong)司，有(you)(you)(you)想法的(de)(de)(de)可以來(lai)電(dian)(dian)(dian)(dian)咨詢！梧州電(dian)(dian)(dian)(dian)感(gan)(gan)式超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)傳(chuan)(chuan)感(gan)(gan)器

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如控(kong)(kong)制發(fa)送器(qi)(qi)發(fa)出超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)的脈沖連(lian)頻率、占空比(bi)、探(tan)測(ce)(ce)距離等等;整體系統的工(gong)作(zuo)也需能量的提供，由電(dian)源(yuan)部分完(wan)成(cheng)。這樣，在(zai)(zai)電(dian)源(yuan)作(zuo)用(yong)(yong)(yong)下(xia)、在(zai)(zai)控(kong)(kong)制部分控(kong)(kong)制下(xia)，通過(guo)發(fa)送器(qi)(qi)發(fa)送超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)與接(jie)收器(qi)(qi)接(jie)收超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)便(bian)可(ke)(ke)完(wan)成(cheng)超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)傳感器(qi)(qi)所需完(wan)成(cheng)的功(gong)能。四、超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)傳感器(qi)(qi)原理(li)--應(ying)用(yong)(yong)(yong)由于(yu)(yu)超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)探(tan)測(ce)(ce)器(qi)(qi)具有很強的穿透力(li)，碰到物體會反射并具有多普勒效(xiao)應(ying)，因此其(qi)在(zai)(zai)**、醫學、工(gong)業等方(fang)面有著(zhu)的應(ying)用(yong)(yong)(yong)。在(zai)(zai)醫學方(fang)面，超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)傳感器(qi)(qi)主要(yao)用(yong)(yong)(yong)于(yu)(yu)無(wu)痛、無(wu)害、簡便(bian)地診斷疾病;在(zai)(zai)工(gong)業方(fang)面，超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)傳感器(qi)(qi)主要(yao)用(yong)(yong)(yong)于(yu)(yu)對金(jin)屬(shu)的無(wu)損探(tan)傷(shang)和超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)測(ce)(ce)厚(hou);在(zai)(zai)汽車(che)方(fang)面，超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)傳感器(qi)(qi)主要(yao)用(yong)(yong)(yong)于(yu)(yu)防止踩剎車(che)時誤踩為(wei)油門現象的發(fa)生(sheng)，通過(guo)在(zai)(zai)汽車(che)前后(hou)安裝8個超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)傳感器(qi)(qi)來(lai)實現;除此之外，利用(yong)(yong)(yong)超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)的這一特(te)性(xing)，還可(ke)(ke)將其(qi)用(yong)(yong)(yong)于(yu)(yu)對集裝箱狀態的檢(jian)測(ce)(ce)、對液位的監測(ce)(ce)、實現塑料包裝檢(jian)測(ce)(ce)的閉環控(kong)(kong)制等等。廣東超(chao)(chao)聲(sheng)(sheng)波(bo)(bo)傳感器(qi)(qi)設備

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