蜂鳴器：外形：無源蜂鳴器（外殼有“+”號(hào)，背面為綠色電路板）有源蜂鳴器（無電路板而用黑膠封閉）源為電源，或者振蕩電路內(nèi)部結(jié)構(gòu)及驅(qū)動(dòng)發(fā)聲方式：電磁式蜂鳴器：由振蕩器、電磁線圈、磁鐵、震動(dòng)膜片、外殼等組成接通電源后，振蕩器產(chǎn)生的音頻信號(hào)電流通過電磁線圈，使電磁線圈產(chǎn)生磁場(chǎng)，振動(dòng)膜片在在電磁線圈和磁鐵的相互作用下，周期性振動(dòng)發(fā)聲。屬于有源蜂鳴器壓電式蜂鳴：由多諧振蕩器、壓電蜂鳴器片、阻抗匹配器及共鳴箱、外殼等組成多諧振蕩器由晶體管或集成電路構(gòu)成，當(dāng)接通電源后（），多諧振蕩器起振，輸出的音頻信號(hào)，阻抗匹配器推動(dòng)壓電蜂鳴器發(fā)聲。屬于無源蜂鳴器用途：提示或報(bào)警自激蜂鳴器是直流電壓進(jìn)行驅(qū)動(dòng)的，不需要利用交流信號(hào)進(jìn)行驅(qū)動(dòng)，只需對(duì)驅(qū)動(dòng)口輸出驅(qū)動(dòng)電平并通過放大電路（使用單極管放大，單片機(jī)起控制作用）放大驅(qū)動(dòng)電流就能使蜂鳴器發(fā)出聲音。開發(fā)板上蜂鳴器為自激蜂鳴器，通常都使用采用直流電壓進(jìn)行驅(qū)動(dòng)的蜂鳴器。2、改變單片機(jī)引腳輸出波形的頻率（即輸入蜂鳴器的波形頻率，即波形周期），就可以調(diào)整蜂鳴器音調(diào)產(chǎn)生各種不同音色、音調(diào)的聲音。改變輸出電平的高低電平占空比，則可以控制蜂鳴器聲音的大?。ǜ唠娖剿紩r(shí)間短，聲音低）。 按鍵按下、開始工作、工作結(jié)束或是故障等等。這里對(duì)單片機(jī)在蜂鳴器驅(qū)動(dòng)上的應(yīng)用作一下描述。熱繼電器AD16系列蜂鳴器費(fèi)用是多少

    x38773-6403Molex43045-0209Molex44472-0311Molex502426-6010Molex52559-2852Molex35312-0560Molex38773-6403Molex43045-0211Molex44472-0314Molex502426-6410Molex52559-2872Molex35312-0660Molex38773-6404Molex43045-0212Molex44472-0401Molex502426-8010Molex52559-3052Molex35312-0710Molex38773-6405Molex43045-0212Molex44472-0452Molex502430-2010Molex52559-3072Molex35312-0860Molex38773-6406Molex43045-0213Molex44472-0454Molex502430-2610Molex52559-3252Molex35312-0960Molex38773-6410Molex43045-0214Molex44472-0502Molex502430-3010Molex52559-3272Molex35312-1010Molex38779-0010Molex43045-0215Molex44472-0654Molex502430-3210Molex52559-3652Molex35312-1060Molex38779-0236Molex43045-0218Molex44472-0655Molex502430-4010Molex52559-4052Molex35312-1160Molex38779-0258Molex43045-0219Molex44472-0854Molex502430-5010Molex52559-4072Molex35312-1410Molex38779-0304Molex43045-0220Molex44472-1053Molex502430-6010Molex52584-0279Molex35312-1560Molex38779-0387Molex43045-0221Molex44472-1054Molex502430-6410Molex52584-0879Molex35313-0260M。熱繼電器AD16系列蜂鳴器費(fèi)用是多少工頻耐壓：AC1890V 50Hz .5s 絕緣電阻≥100MΩ。 交流指示燈允許電壓波動(dòng)±20% 連續(xù)工作壽命≥30000H。

    lex35023-0008Molex38729-1357Molex42815-0031Molex39520-0012Molex501645-4020Molex52147-0210Molex35023-0009Molex38729-1405Molex42815-0032Molex39520-0014Molex501646-1000Molex52147-0310Molex35047-9802Molex38729-1406Molex42815-0041Molex39520-0102Molex501646-1200Molex52147-0410Molex35053-9002Molex38729-1429Molex42815-0042Molex39520-0116Molex501646-1400Molex52147-0510Molex35068-9702Molex38729-1455Molex42816-0212Molex39520-0208Molex501646-1600Molex52147-0610Molex35068-9722Molex38729-1455Molex42816-0212Molex39520-5107Molex501646-1800Molex52147-0710Molex35068-9802Molex38729-1509Molex42816-0312Molex39522-0004Molex501646-2000Molex52147-0810Molex35068-9812Molex38729-1540Molex42816-0412Molex39522-0006Molex501646-2200Molex52147-1010Molex35068-9822Molex38729-1615Molex42816-0412Molex39522-0015Molex501646-2400Molex52147-1210Molex35068-9842Molex38729-1617Molex42816-0512Molex39522-1002Molex501646-2400Molex52147-1310Molex35068-9902Molex38729-1624Molex42816-0612Molex39522-1003Molex501646-2600Molex52147-141。

    375Molex43025-0200Molex44170-0003Molex502250-2391Molex52271-2279Molex35156-0800Molex38759-0376Molex43025-0400Molex44193-0003Molex502250-2791Molex52271-2479Molex35156-0900Molex38759-0404Molex43025-0600Molex44193-0004Molex502250-3391Molex52271-2479Molex35156-1000Molex38759-0415Molex43025-0600Molex44206-0001Molex502250-3591Molex52271-2679Molex35156-1100Molex38760-0102Molex43025-0608Molex44206-0007Molex502250-3991Molex52271-2869Molex35156-1200Molex38760-0103Molex43025-0800Molex44248-0001Molex502250-4191Molex52271-2879Molex35164-0500Molex38760-0104Molex43025-0800Molex44248-0029Molex502250-5191Molex52271-3069Molex35165-0100Molex38760-0105Molex43025-0804Molex44248-0030Molex502350-1500/BKNMolex52271-3079Molex35180-0400Molex38760-0106Molex43025-1000Molex44248-0033Molex502350-2300/BKNMolex52418-0410Molex35180-0409Molex38760-0107Molex43025-1200Molex44248-0058Molex502350-3100/BKNMolex52418-0810Molex35180-0600Molex38760-0108Molex43025-1200Molex44248-0085Molex502350-3700/BKNMolex52418-0910Molex351。有的壓電式蜂鳴器外殼上還裝有發(fā)光二極管。

    olex35072-9702Molex38730-0103Molex42817-0011Molex39522-1004Molex501646-2800Molex52147-1610Molex35072-9712Molex38730-0720Molex42817-0012Molex39522-1005Molex501646-3000Molex52151-0410Molex35072-9802Molex38730-3105Molex42817-0031Molex39522-1006Molex501646-3200Molex52151-0510Molex35074-8001Molex38730-3106Molex42817-0032Molex39522-1007Molex501646-3400Molex52151-0610Molex35098-9702Molex38730-3108Molex42817-0041Molex39522-1008Molex501646-3600Molex52204-0690Molex35098-9802Molex38730-3112Molex42817-0042Molex39522-1009Molex501646-3800Molex52207-0360Molex35100-9002Molex38730-3114Molex42817-0131Molex39522-1010Molex501646-4000Molex52207-0385Molex35127-0200Molex38730-3707Molex42818-0212Molex39522-1011Molex501647-1000Molex52207-0460Molex35128-0400Molex38730-3720Molex42818-0312Molex39522-1012Molex501647-1100Molex52207-0485Molex35141-0201Molex38730-6302Molex42818-0412Molex39530-0002Molex501648-1000Molex52207-0560Molex35143-0201Molex38730-6303Molex42818-0512Molex39530-0003Molex501648-1000Molex52207-05。壓電蜂鳴片由鋯鈦酸鉛或鈮鎂酸鉛壓電陶瓷材料制成。熱繼電器AD16系列蜂鳴器費(fèi)用是多少

開孔尺寸：φ16mm; 通過聲音來指示不同工作狀態(tài)。熱繼電器AD16系列蜂鳴器費(fèi)用是多少

    ex35022-0007Molex38729-0880Molex42410-6314Molex39502-1019Molex501645-1820Molex52117-0240Molex35022-0008Molex38729-0900Molex42410-6410Molex39502-1020Molex501645-2020Molex52117-0241Molex35022-0010Molex38729-0958Molex42410-8312Molex39520-0002Molex501645-2220Molex52117-0242Molex35022-0014Molex38729-0979Molex42410-8314Molex39520-0003Molex501645-2420Molex52117-0243Molex35022-0015Molex38729-0988Molex42410-8360Molex39520-0004Molex501645-2620Molex52117-0340Molex35023-0002Molex38729-1038Molex42410-8362Molex39520-0005Molex501645-2820Molex52117-0341Molex35023-0003Molex38729-1066Molex42410-8506Molex39520-0006Molex501645-3020Molex52117-0342Molex35023-0004Molex38729-1067Molex42492-0340Molex39520-0007Molex501645-3220Molex52117-0410Molex35023-0005Molex38729-1096Molex42815-0011Molex39520-0008Molex501645-3420Molex52117-0411Molex35023-0006Molex38729-1096Molex42815-0011Molex39520-0009Molex501645-3620Molex52117-0413Molex35023-0007Molex38729-1254Molex42815-0012Molex39520-0010Molex501645-3820Molex85-17-0020。熱繼電器AD16系列蜂鳴器費(fèi)用是多少

上海喆和機(jī)電科技有限公司主營(yíng)品牌有西門子,施耐德,ABB,歐姆龍,LS,奧托尼克斯,富士等，發(fā)展規(guī)模團(tuán)隊(duì)不斷壯大，該公司貿(mào)易型的公司。公司致力于為客戶提供安全、質(zhì)量有保證的良好產(chǎn)品及服務(wù)，是一家有限責(zé)任公司企業(yè)。公司業(yè)務(wù)涵蓋西門子閥門定位器，西門子直流調(diào)速器，西門子變頻器，西門子PLC模塊控制器，價(jià)格合理，品質(zhì)有保證，深受廣大客戶的歡迎。喆和機(jī)電順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過**技術(shù)，力圖保證高規(guī)格高質(zhì)量的西門子閥門定位器，西門子直流調(diào)速器，西門子變頻器，西門子PLC模塊控制器。