在日常生(sheng)(sheng)產生(sheng)(sheng)活中(zhong)，超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)傳(chuan)(chuan)(chuan)感器(qi)(qi)主要(yao)應用(yong)(yong)于(yu)汽車的(de)(de)倒(dao)車雷達、及機器(qi)(qi)人自(zi)動避障行走、建(jian)筑施(shi)工(gong)工(gong)地以(yi)及一(yi)些工(gong)業現場(chang)例如：液位、井深、管道長(chang)度等(deng)需(xu)要(yao)自(zi)動進行非接觸測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)的(de)(de)場(chang)合。目(mu)前(qian)(qian)有(you)兩種常用(yong)(yong)的(de)(de)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)方(fang)(fang)案。一(yi)種是(shi)(shi)(shi)基(ji)于(yu)單片機或(huo)(huo)者嵌入式設備(bei)的(de)(de)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)系統(tong)，一(yi)種是(shi)(shi)(shi)基(ji)于(yu)CPLD(ComplexProgrammableLogicDevice)的(de)(de)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)系統(tong)。想(xiang)要(yao)了(le)解(jie)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)傳(chuan)(chuan)(chuan)感器(qi)(qi)的(de)(de)相(xiang)關應用(yong)(yong)設計首先我們必須了(le)解(jie)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感器(qi)(qi)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)的(de)(de)工(gong)作(zuo)原(yuan)理(li)(li)。超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感器(qi)(qi)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)工(gong)作(zuo)原(yuan)理(li)(li)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感器(qi)(qi)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)工(gong)作(zuo)原(yuan)理(li)(li)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感器(qi)(qi)是(shi)(shi)(shi)將(jiang)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)信號(hao)(hao)轉換成(cheng)其(qi)他能(neng)量信號(hao)(hao)（通常是(shi)(shi)(shi)電信號(hao)(hao)）的(de)(de)傳(chuan)(chuan)(chuan)感器(qi)(qi)。超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)是(shi)(shi)(shi)指(zhi)頻率(lv)大(da)(da)于(yu)20kHz的(de)(de)在彈性(xing)介質中(zhong)產生(sheng)(sheng)的(de)(de)機械震蕩波(bo)(bo)(bo)，其(qi)具有(you)指(zhi)向性(xing)強、能(neng)量消耗(hao)緩慢、傳(chuan)(chuan)(chuan)播距(ju)(ju)(ju)離(li)相(xiang)對較遠等(deng)特點，因此(ci)常被用(yong)(yong)于(yu)非接觸測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)。由于(yu)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)對液體(ti)(ti)(ti)(ti)、固體(ti)(ti)(ti)(ti)的(de)(de)穿透本領很大(da)(da)，尤其(qi)是(shi)(shi)(shi)在陽光不透明的(de)(de)固體(ti)(ti)(ti)(ti)中(zhong)。超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)碰到(dao)雜質或(huo)(huo)分界面會產生(sheng)(sheng)反(fan)射形成(cheng)反(fan)射成(cheng)回波(bo)(bo)(bo)，碰到(dao)活動物體(ti)(ti)(ti)(ti)能(neng)產生(sheng)(sheng)多(duo)普勒效應。，因此(ci)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)對環境有(you)較好(hao)(hao)的(de)(de)適(shi)應能(neng)力(li)，此(ci)外超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)量在實時(shi)、精度、價格也能(neng)得到(dao)很好(hao)(hao)的(de)(de)折衷。目(mu)前(qian)(qian)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)測(ce)(ce)(ce)(ce)距(ju)(ju)(ju)的(de)(de)方(fang)(fang)法(fa)有(you)多(duo)種：如往返時(shi)間(jian)檢測(ce)(ce)(ce)(ce)法(fa)、相(xiang)位檢測(ce)(ce)(ce)(ce)法(fa)、聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)幅(fu)值檢測(ce)(ce)(ce)(ce)法(fa)。其(qi)原(yuan)理(li)(li)是(shi)(shi)(shi)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感器(qi)(qi)發射一(yi)定頻率(lv)的(de)(de)超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)。浙江羅(luo)舸智能(neng)科技有(you)限公司(si)是(shi)(shi)(shi)一(yi)家專業提供超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感器(qi)(qi)的(de)(de)公司(si)，有(you)想(xiang)法(fa)的(de)(de)不要(yao)錯(cuo)過(guo)哦！ce認(ren)證超(chao)(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)傳(chuan)(chuan)(chuan)感器(qi)(qi)直銷

圖(tu)(tu)5超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)測(ce)距(ju)時(shi)(shi)序圖(tu)(tu)一(yi)個(ge)10us以(yi)(yi)(yi)上脈沖(chong)觸發(fa)(fa)(fa)(fa)(fa)信(xin)號(hao)(hao)(hao)，該模(mo)塊(kuai)內部(bu)將發(fa)(fa)(fa)(fa)(fa)出(chu)8次40KHz周期電(dian)(dian)(dian)平并檢(jian)測(ce)回(hui)(hui)(hui)波(bo)(bo)(bo)(bo)(bo)。一(yi)旦檢(jian)測(ce)到有回(hui)(hui)(hui)波(bo)(bo)(bo)(bo)(bo)信(xin)號(hao)(hao)(hao)則輸(shu)出(chu)回(hui)(hui)(hui)響(xiang)(xiang)信(xin)號(hao)(hao)(hao)，回(hui)(hui)(hui)響(xiang)(xiang)信(xin)號(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)脈沖(chong)寬度與(yu)所(suo)測(ce)的(de)(de)(de)(de)(de)(de)距(ju)離成(cheng)(cheng)正比。由此(ci)通過發(fa)(fa)(fa)(fa)(fa)射(she)(she)信(xin)號(hao)(hao)(hao)到收(shou)到的(de)(de)(de)(de)(de)(de)回(hui)(hui)(hui)響(xiang)(xiang)信(xin)號(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)時(shi)(shi)間間隔可以(yi)(yi)(yi)計算得(de)到距(ju)離。建(jian)議測(ce)量周期為(wei)(wei)60ms以(yi)(yi)(yi)上，以(yi)(yi)(yi)防(fang)止發(fa)(fa)(fa)(fa)(fa)射(she)(she)信(xin)號(hao)(hao)(hao)對(dui)回(hui)(hui)(hui)響(xiang)(xiang)信(xin)號(hao)(hao)(hao)的(de)(de)(de)(de)(de)(de)影響(xiang)(xiang)。圖(tu)(tu)6出(chu)了(le)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)測(ce)距(ju)模(mo)塊(kuai)的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)(fa)射(she)(she)端(duan)電(dian)(dian)(dian)路(lu)。圖(tu)(tu)7超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)測(ce)距(ju)發(fa)(fa)(fa)(fa)(fa)射(she)(she)端(duan)電(dian)(dian)(dian)路(lu)圖(tu)(tu)壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)式超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)換(huan)(huan)能(neng)器(qi)是利(li)用(yong)壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)晶體的(de)(de)(de)(de)(de)(de)諧振(zhen)(zhen)(zhen)(zhen)來工作的(de)(de)(de)(de)(de)(de)。超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)換(huan)(huan)能(neng)器(qi)內部(bu)有兩個(ge)壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)晶片(pian)(pian)和一(yi)個(ge)換(huan)(huan)能(neng)板(ban)。當它的(de)(de)(de)(de)(de)(de)兩極外加(jia)脈沖(chong)信(xin)號(hao)(hao)(hao)，其頻(pin)率等于(yu)壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)晶片(pian)(pian)的(de)(de)(de)(de)(de)(de)固(gu)有振(zhen)(zhen)(zhen)(zhen)蕩頻(pin)率時(shi)(shi)，壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)晶片(pian)(pian)會發(fa)(fa)(fa)(fa)(fa)生共(gong)振(zhen)(zhen)(zhen)(zhen)，并帶動共(gong)振(zhen)(zhen)(zhen)(zhen)板(ban)振(zhen)(zhen)(zhen)(zhen)動產生超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)，這(zhe)時(shi)(shi)它就是一(yi)個(ge)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)發(fa)(fa)(fa)(fa)(fa)生器(qi)；反之(zhi)，如果(guo)兩電(dian)(dian)(dian)極問未外加(jia)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)，當共(gong)振(zhen)(zhen)(zhen)(zhen)板(ban)接(jie)收(shou)到超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)時(shi)(shi)，將壓(ya)(ya)(ya)(ya)迫(po)壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)晶片(pian)(pian)作振(zhen)(zhen)(zhen)(zhen)動，將機(ji)械能(neng)轉換(huan)(huan)為(wei)(wei)電(dian)(dian)(dian)信(xin)號(hao)(hao)(hao)，這(zhe)時(shi)(shi)它就成(cheng)(cheng)為(wei)(wei)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)接(jie)收(shou)換(huan)(huan)能(neng)器(qi)。超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)發(fa)(fa)(fa)(fa)(fa)射(she)(she)換(huan)(huan)能(neng)器(qi)與(yu)接(jie)收(shou)換(huan)(huan)能(neng)器(qi)在結構上稍有不同，使(shi)用(yong)時(shi)(shi)應分清器(qi)件上的(de)(de)(de)(de)(de)(de)標(biao)志。圖(tu)(tu)8給出(chu)了(le)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)測(ce)距(ju)模(mo)塊(kuai)的(de)(de)(de)(de)(de)(de)接(jie)收(shou)端(duan)電(dian)(dian)(dian)路(lu)。集(ji)成(cheng)(cheng)電(dian)(dian)(dian)路(lu)CX20106是一(yi)款紅外線檢(jian)波(bo)(bo)(bo)(bo)(bo)接(jie)收(shou)的(de)(de)(de)(de)(de)(de)**芯片(pian)(pian)，常(chang)用(yong)于(yu)電(dian)(dian)(dian)視機(ji)紅外遙控(kong)(kong)接(jie)收(shou)器(qi)。考慮(lv)到紅外遙控(kong)(kong)常(chang)用(yong)的(de)(de)(de)(de)(de)(de)載波(bo)(bo)(bo)(bo)(bo)頻(pin)率38KHz與(yu)測(ce)距(ju)的(de)(de)(de)(de)(de)(de)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)頻(pin)率40KHz較為(wei)(wei)接(jie)近，可以(yi)(yi)(yi)利(li)用(yong)它制作超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)檢(jian)測(ce)接(jie)收(shou)電(dian)(dian)(dian)路(lu)。實驗證明用(yong)CX20106接(jie)收(shou)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)。青島(dao)超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)傳感器(qi)價格浙(zhe)江羅舸智能(neng)科技(ji)有限公司致力于(yu)提供超(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)傳感器(qi)，竭誠為(wei)(wei)您。

一(yi)種(zhong)是基于單(dan)片機或者嵌(qian)入(ru)(ru)式設(she)備的(de)(de)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)測(ce)距(ju)(ju)(ju)(ju)系統(tong)，一(yi)種(zhong)是基于CPLD(ComplexProgrammableLogicDevice)的(de)(de)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)測(ce)距(ju)(ju)(ju)(ju)系統(tong)。如圖1所示(shi)，實驗采用(yong)第一(yi)種(zhong)方(fang)案，利用(yong)嵌(qian)入(ru)(ru)式設(she)備編程產(chan)生頻率為40KHz的(de)(de)方(fang)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)，經過(guo)(guo)發(fa)(fa)(fa)射(she)(she)驅動電(dian)(dian)路放大(da)，使超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)傳(chuan)(chuan)感器(qi)發(fa)(fa)(fa)射(she)(she)端(duan)震蕩，發(fa)(fa)(fa)射(she)(she)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)。超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)經發(fa)(fa)(fa)射(she)(she)物反(fan)(fan)射(she)(she)回來(lai)，由傳(chuan)(chuan)感器(qi)接(jie)收(shou)端(duan)接(jie)收(shou)，再經過(guo)(guo)接(jie)收(shou)電(dian)(dian)路放大(da)、整形(xing)。以(yi)(yi)嵌(qian)入(ru)(ru)式微(wei)**的(de)(de)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)測(ce)距(ju)(ju)(ju)(ju)系統(tong)通(tong)(tong)過(guo)(guo)嵌(qian)入(ru)(ru)式設(she)備記(ji)錄超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)發(fa)(fa)(fa)射(she)(she)的(de)(de)時(shi)(shi)(shi)間(jian)(jian)和(he)反(fan)(fan)射(she)(she)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)的(de)(de)時(shi)(shi)(shi)間(jian)(jian)。當收(shou)到(dao)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)的(de)(de)反(fan)(fan)射(she)(she)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)時(shi)(shi)(shi)，接(jie)收(shou)電(dian)(dian)路輸出端(duan)產(chan)生一(yi)個跳變(bian)。通(tong)(tong)過(guo)(guo)定時(shi)(shi)(shi)器(qi)計(ji)(ji)數(shu)，計(ji)(ji)算時(shi)(shi)(shi)間(jian)(jian)差，就可(ke)以(yi)(yi)計(ji)(ji)算出相應的(de)(de)距(ju)(ju)(ju)(ju)離(li)。圖1超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)測(ce)距(ju)(ju)(ju)(ju)原理(li)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)測(ce)距(ju)(ju)(ju)(ju)的(de)(de)原理(li)是利用(yong)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)在(zai)空(kong)氣(qi)(qi)中(zhong)的(de)(de)傳(chuan)(chuan)播(bo)速度為已知，測(ce)量聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)在(zai)發(fa)(fa)(fa)射(she)(she)后遇到(dao)障礙(ai)物反(fan)(fan)射(she)(she)回來(lai)的(de)(de)時(shi)(shi)(shi)間(jian)(jian)，根據發(fa)(fa)(fa)射(she)(she)和(he)接(jie)收(shou)的(de)(de)時(shi)(shi)(shi)間(jian)(jian)差計(ji)(ji)算出發(fa)(fa)(fa)射(she)(she)點到(dao)障礙(ai)物的(de)(de)實際距(ju)(ju)(ju)(ju)離(li)。首先(xian)，超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)發(fa)(fa)(fa)射(she)(she)器(qi)向某一(yi)方(fang)向發(fa)(fa)(fa)射(she)(she)超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)，在(zai)發(fa)(fa)(fa)射(she)(she)時(shi)(shi)(shi)刻的(de)(de)同時(shi)(shi)(shi)開(kai)始(shi)計(ji)(ji)時(shi)(shi)(shi)，超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)在(zai)空(kong)氣(qi)(qi)中(zhong)傳(chuan)(chuan)播(bo)，途(tu)中(zhong)碰到(dao)障礙(ai)物就立(li)(li)即返回來(lai)，超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)接(jie)收(shou)器(qi)收(shou)到(dao)反(fan)(fan)射(she)(she)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)就立(li)(li)即停止計(ji)(ji)時(shi)(shi)(shi)。超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)在(zai)空(kong)氣(qi)(qi)中(zhong)的(de)(de)傳(chuan)(chuan)播(bo)速度為C=340m/s，根據計(ji)(ji)時(shi)(shi)(shi)器(qi)記(ji)錄的(de)(de)時(shi)(shi)(shi)間(jian)(jian)T秒，就可(ke)以(yi)(yi)計(ji)(ji)算出發(fa)(fa)(fa)射(she)(she)點距(ju)(ju)(ju)(ju)障礙(ai)物的(de)(de)距(ju)(ju)(ju)(ju)離(li)L，即：L=C×T/2。這就是所謂(wei)的(de)(de)時(shi)(shi)(shi)間(jian)(jian)差測(ce)距(ju)(ju)(ju)(ju)法。由于超(chao)(chao)(chao)(chao)(chao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)也是一(yi)種(zhong)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)波(bo)(bo)(bo)(bo)(bo)(bo)(bo)，其(qi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)速C與溫(wen)度有關。

超(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)傳(chuan)感(gan)(gan)(gan)器也不(bu)(bu)是(shi)wan neng的，有(you)些因(yin)素(su)會(hui)對(dui)(dui)超(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)的使用產生很(hen)大的影響。因(yin)為超(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)傳(chuan)感(gan)(gan)(gan)器判斷距離的根本(ben)原理(li)是(shi)利用聲(sheng)波(bo)(bo)(bo)在空氣中傳(chuan)播的速度及時(shi)(shi)(shi)間來判斷的，而(er)聲(sheng)波(bo)(bo)(bo)在空氣中傳(chuan)播的速度受到以下因(yin)素(su)影響比(bi)較(jiao)(jiao)大：溫度——溫度過高或過低都會(hui)使測(ce)量(liang)(liang)結果(guo)出現很(hen)大偏差。（比(bi)如測(ce)量(liang)(liang)熱金屬(shu)時(shi)(shi)(shi)……） 壓力(li)——當聲(sheng)波(bo)(bo)(bo)所(suo)處(chu)環境中壓強(qiang)與大氣壓不(bu)(bu)同時(shi)(shi)(shi)，結果(guo)影響也很(hen)大。（比(bi)如在壓力(li)容器中測(ce)量(liang)(liang)液位(wei)(wei)或物位(wei)(wei)時(shi)(shi)(shi)……） 空氣流(liu)動(dong)——當空氣流(liu)動(dong)較(jiao)(jiao)強(qiang)時(shi)(shi)(shi)，有(you)些聲(sheng)波(bo)(bo)(bo)會(hui)被“吹走”( 比(bi)如我們處(chu)于上風口(kou)和下風口(kou)兩種不(bu)(bu)同位(wei)(wei)置(zhi)聽人講話時(shi)(shi)(shi)感(gan)(gan)(gan)覺清(qing)晰(xi)度明顯不(bu)(bu)同……） 超(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)工作時(shi)(shi)(shi)發(fa)射出的其實是(shi)一(yi)個聲(sheng)波(bo)(bo)(bo)的波(bo)(bo)(bo)面，（從立(li)體(ti)角度上來說是(shi)一(yi)個錐(zhui)體(ti)，所(suo)以不(bu)(bu)能(neng)測(ce)量(liang)(liang)細小的物體(ti)。（這個時(shi)(shi)(shi)候(hou)只(zhi)能(neng)求(qiu)助于光斑較(jiao)(jiao)小的激(ji)光傳(chuan)感(gan)(gan)(gan)器了）還要注(zhu)意的一(yi)方面是(shi)：因(yin)為超(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)傳(chuan)感(gan)(gan)(gan)器受到的影響因(yin)素(su)比(bi)較(jiao)(jiao)多(duo)，所(suo)以其精度普遍不(bu)(bu)高，如果(guo)對(dui)(dui)測(ce)量(liang)(liang)精度要求(qiu)非常高的場合，就(jiu)不(bu)(bu)用考慮超(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)了。超(chao)(chao)(chao)聲(sheng)波(bo)(bo)(bo)傳(chuan)感(gan)(gan)(gan)器，就(jiu)選(xuan)浙江羅舸(ge)智能(neng)科技有(you)限公司，歡(huan)迎客戶來電！

也(ye)是(shi)(shi)多(duo)個發(fa)射(she)頭對應1個接(jie)(jie)收(shou)頭基于(yu)(yu)超(chao)(chao)聲(sheng)波(bo)測(ce)(ce)距(ju)(ju)(ju)的(de)(de)簡單、易于(yu)(yu)操作和(he)無損傷等(deng)特點所以要測(ce)(ce)得(de)超(chao)(chao)聲(sheng)波(bo)往(wang)返的(de)(de)時間,即可(ke)(ke)求得(de)距(ju)(ju)(ju)離(li)。這就是(shi)(shi)超(chao)(chao)聲(sheng)波(bo)測(ce)(ce)距(ju)(ju)(ju)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)的(de)(de)工(gong)作原理(li)。對于(yu)(yu)超(chao)(chao)聲(sheng)波(bo)測(ce)(ce)距(ju)(ju)(ju)工(gong)釆網小編向大(da)家(jia)推薦一款(kuan)韓國Hagisonic超(chao)(chao)聲(sheng)波(bo)測(ce)(ce)距(ju)(ju)(ju)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)模(mo)塊(kuai)-HG-C40U。超(chao)(chao)聲(sheng)波(bo)測(ce)(ce)距(ju)(ju)(ju)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)模(mo)塊(kuai)超(chao)(chao)聲(sheng)波(bo)測(ce)(ce)距(ju)(ju)(ju)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)模(mo)塊(kuai)擁有(you)兩種(zhong)(zhong)(zhong)(zhong)可(ke)(ke)選傳(chuan)(chuan)(chuan)輸(shu)(shu)模(mo)式(shi)(shi)(shi)，分別是(shi)(shi)自(zi)由(you)運行模(mo)式(shi)(shi)(shi)：有(you)電源時，傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)自(zi)身(shen)發(fa)送(song)觸(chu)發(fa)和(he)突發(fa)信(xin)號(用(yong)(yong)(yong)(yong)于(yu)(yu)基本應用(yong)(yong)(yong)(yong))；外部觸(chu)發(fa)模(mo)式(shi)(shi)(shi)：外部系統(控制(zhi)器(qi)(qi)或處(chu)理(li)器(qi)(qi)電路)控制(zhi)觸(chu)發(fa)信(xin)號用(yong)(yong)(yong)(yong)于(yu)(yu)高級(ji)應用(yong)(yong)(yong)(yong)，這兩種(zhong)(zhong)(zhong)(zhong)模(mo)式(shi)(shi)(shi)適用(yong)(yong)(yong)(yong)于(yu)(yu)各種(zhong)(zhong)(zhong)(zhong)用(yong)(yong)(yong)(yong)途，此外該(gai)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)還涉及(ji)兩種(zhong)(zhong)(zhong)(zhong)輸(shu)(shu)入(ru)電源一種(zhong)(zhong)(zhong)(zhong)是(shi)(shi)低壓(5V)適用(yong)(yong)(yong)(yong)于(yu)(yu)處(chu)理(li)器(qi)(qi)電路另(ling)一種(zhong)(zhong)(zhong)(zhong)是(shi)(shi)高壓(12V)適用(yong)(yong)(yong)(yong)于(yu)(yu)控制(zhi)器(qi)(qi)可(ke)(ke)測(ce)(ce)量到障礙(ai)物的(de)(de)距(ju)(ju)(ju)離(li)為(at5V)、5m(at12V)，并用(yong)(yong)(yong)(yong)UART通訊發(fa)送(song)數據，分辨率(lv)在5mm以內(nei)。另(ling)一方面在各種(zhong)(zhong)(zhong)(zhong)場合用(yong)(yong)(yong)(yong)戶(hu)可(ke)(ke)根據自(zi)身(shen)環(huan)境(jing)選擇不同的(de)(de)設(she)置模(mo)式(shi)(shi)(shi)比如(ru)自(zi)由(you)運行/UART觸(chu)發(fa)/外部觸(chu)發(fa)設(she)置等(deng)，同時也(ye)可(ke)(ke)根據測(ce)(ce)UART通訊波(bo)特率(lv)設(she)定決(jue)定是(shi)(shi)否(fou)設(she)置使(shi)(shi)用(yong)(yong)(yong)(yong)環(huan)形緩沖區，輸(shu)(shu)出(chu)信(xin)號具(ju)有(you)高性能ASIC芯片，保證穩定傳(chuan)(chuan)(chuan)輸(shu)(shu)、靈敏接(jie)(jie)收(shou)等(deng)特點，因此傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)到PC的(de)(de)通訊使(shi)(shi)用(yong)(yong)(yong)(yong)‘接(jie)(jie)口(kou)板(ban)’(RS232,功(gong)率(lv)調節器(qi)(qi))數據顯示使(shi)(shi)用(yong)(yong)(yong)(yong)PC上(shang)的(de)(de)監控程序(xu)(可(ke)(ke)用(yong)(yong)(yong)(yong)超(chao)(chao)級(ji)終端)可(ke)(ke)以將實(shi)際接(jie)(jie)收(shou)的(de)(de)超(chao)(chao)聲(sheng)波(bo)實(shi)時放(fang)大(da)用(yong)(yong)(yong)(yong)UART(ASCII。。浙(zhe)江羅舸智(zhi)能科技有(you)限公司為您提供超(chao)(chao)聲(sheng)波(bo)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)，歡(huan)迎新老客戶(hu)來電！普陀(tuo)區粉塵防爆(bao)超(chao)(chao)聲(sheng)波(bo)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)

浙江羅舸(ge)智能科技有限公(gong)司是一家專(zhuan)業提供超聲波傳感器(qi)(qi)的公(gong)司。ce認(ren)證超聲波傳感器(qi)(qi)直銷

隨著(zhu)機(ji)(ji)(ji)器(qi)(qi)(qi)人(ren)(ren)(ren)深入人(ren)(ren)(ren)們的(de)(de)(de)生活，例(li)如工(gong)廠、倉庫、酒(jiu)店、商場、餐廳等環(huan)境中的(de)(de)(de)使用，人(ren)(ren)(ren)們對機(ji)(ji)(ji)器(qi)(qi)(qi)人(ren)(ren)(ren)的(de)(de)(de)移動(dong)能(neng)(neng)力越為(wei)重(zhong)視，市(shi)場對智(zhi)能(neng)(neng)化設備的(de)(de)(de)需求日益(yi)高(gao)漲。以至于避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)成(cheng)為(wei)一(yi)個極(ji)為(wei)關鍵(jian)且(qie)必要(yao)的(de)(de)(de)功(gong)能(neng)(neng)。避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)是(shi)(shi)指移動(dong)機(ji)(ji)(ji)器(qi)(qi)(qi)人(ren)(ren)(ren)根據采(cai)集的(de)(de)(de)障(zhang)(zhang)(zhang)(zhang)礙(ai)物(wu)的(de)(de)(de)狀(zhuang)(zhuang)態信(xin)息，在(zai)行(xing)(xing)走過(guo)(guo)程中通(tong)過(guo)(guo)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)感(gan)(gan)(gan)(gan)(gan)知(zhi)到(dao)妨礙(ai)其通(tong)行(xing)(xing)的(de)(de)(de)靜(jing)態和(he)(he)動(dong)態物(wu)體時，按照一(yi)定(ding)的(de)(de)(de)方(fang)法(fa)進(jin)行(xing)(xing)有效地避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)，達(da)(da)到(dao)目(mu)標點。實現(xian)避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)與(yu)導航(hang)的(de)(de)(de)必要(yao)條件(jian)是(shi)(shi)環(huan)境感(gan)(gan)(gan)(gan)(gan)知(zhi)，在(zai)未(wei)(wei)知(zhi)或者是(shi)(shi)部分未(wei)(wei)知(zhi)的(de)(de)(de)環(huan)境下(xia)(xia)避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)需要(yao)通(tong)過(guo)(guo)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)獲取(qu)周(zhou)圍(wei)環(huan)境信(xin)息，包括(kuo)障(zhang)(zhang)(zhang)(zhang)礙(ai)物(wu)的(de)(de)(de)尺寸、形狀(zhuang)(zhuang)和(he)(he)位置等信(xin)息，因此傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)技術在(zai)移動(dong)機(ji)(ji)(ji)器(qi)(qi)(qi)人(ren)(ren)(ren)避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)中起著(zhu)十分重(zhong)要(yao)的(de)(de)(de)作(zuo)(zuo)用。下(xia)(xia)面工(gong)采(cai)網小編和(he)(he)大家一(yi)起看(kan)看(kan)超聲波傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)和(he)(he)激光(guang)雷(lei)(lei)達(da)(da)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)在(zai)機(ji)(ji)(ji)器(qi)(qi)(qi)人(ren)(ren)(ren)避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)中的(de)(de)(de)相關解決方(fang)案。目(mu)前市(shi)面上(shang)常見的(de)(de)(de)機(ji)(ji)(ji)器(qi)(qi)(qi)人(ren)(ren)(ren)避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)基本都采(cai)用到(dao)激光(guang)雷(lei)(lei)達(da)(da)，激光(guang)雷(lei)(lei)達(da)(da)作(zuo)(zuo)為(wei)自動(dong)駕駛和(he)(he)機(ji)(ji)(ji)器(qi)(qi)(qi)人(ren)(ren)(ren)等領域中的(de)(de)(de)重(zhong)要(yao)傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)，一(yi)直扮(ban)演(yan)著(zhu)“眼(yan)睛”的(de)(de)(de)角色，360°掃(sao)描(miao)周(zhou)圍(wei)環(huan)境，構建厘米級別高(gao)精度地圖，為(wei)后續避(bi)(bi)(bi)(bi)障(zhang)(zhang)(zhang)(zhang)導航(hang)做輔助。工(gong)采(cai)網提供的(de)(de)(de)小型激光(guang)雷(lei)(lei)達(da)(da)模組-TFminiPlus是(shi)(shi)一(yi)款(kuan)小型化激光(guang)雷(lei)(lei)達(da)(da)模組，基于TOF（飛行(xing)(xing)時間）原理，主(zhu)要(yao)用于實現(xian)穩定(ding)、精細、高(gao)頻的(de)(de)(de)距離測量功(gong)能(neng)(neng)。ce認證超聲波傳(chuan)(chuan)感(gan)(gan)(gan)(gan)(gan)器(qi)(qi)(qi)直銷

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