上海制造AD16系列蜂鸣器

    43-0470Molex52610-0675Molex35328-0510Molex38780-0112Molex43045-0410Molex44475-2421Molex502443-0670Molex52610-0690Molex35328-0610Molex38780-0114Molex43045-0411Molex44476-1111Molex502443-0870Molex52610-0771Molex35362-0250Molex38780-0116Molex43045-0412Molex44476-1111Molex502443-1470Molex52610-0871Molex35362-0350Molex38780-0118Molex43045-0413Molex44476-1112Molex502494-0470Molex52610-0872Molex35362-0450Molex38780-0120Molex43045-0414Molex44476-1212Molex502494-0670Molex52610-0971Molex35362-0550Molex38780-0121Molex43045-0415Molex44476-3111Molex502494-0870Molex52610-0972Molex35362-0650Molex38780-0124Molex43045-0416Molex44476-3112Molex502494-1470Molex52610-1071Molex35362-0750Molex38780-0308Molex43045-0418Molex44478-1111Molex502570-0893Molex52610-1072Molex35362-0850Molex38780-0310Molex43045-0419Molex44478-1111Molex502578-0200Molex52610-1075Molex35362-0950Molex38783-6404Molex43045-0420Molex44478-1112Molex502578-0300Molex52610-1171Molex35362-1010Molex38783-6406Molex43045-0421Molex44478-1211Molex5。AD16 系列蜂鸣器音量达 85dB，工业设备故障时清晰传递报警信号。上海制造AD16系列蜂鸣器

    lex52806-0310Molex35725-2710Molex39-00-0221Molex43045-1201Molex44812-0026Molex503304-4210Molex52806-0410Molex35725-3310Molex39-00-0222Molex43045-1202Molex44812-0027Molex503308-3010Molex52806-0510Molex35725-3410Molex39-00-0223Molex43045-1206Molex44812-0028Molex503320-2560Molex52806-0610Molex35725-3410Molex39-00-0224Molex43045-1207Molex44812-0029Molex503320-3760Molex52806-0710Molex35725-3710Molex39-00-02781560T=39-00-0327(单粒）Molex43045-1209Molex44812-0030Molex503320-4160Molex52806-0810Molex35725-3910Molex39-00-02791561T=39-00-0331（单粒）Molex43045-1210Molex44828-1162Molex503395-0310Molex52806-0910Molex35725-4410Molex39-00-0281Molex43045-1211Molex44828-1162Molex503398-0891。宝山区直供AD16系列蜂鸣器哪家强如果给预直流信号蜂鸣器是不响应的，因为磁路恒定，钼片不能振动发音。

    本实用新型涉及一种压电蜂鸣器，尤其涉及一种防水的蜂鸣器。背景技术：压电蜂鸣器是用于家用电器的一种发声报警装置，通常由固定在蜂鸣盒中的蜂鸣片、与该电连接的两个电极构成。目前，由于蜂鸣片的表面没有设置保护层，容易进水导致内部压电结构不稳定，致使发声质量下降。技术实现要素：为了克服现有技术中存在的缺陷，本实用新型提出一种防水的蜂鸣器。一种防水的蜂鸣器，所述蜂鸣器包括蜂鸣片和蜂鸣盒，所述蜂鸣片由金属板和压电陶瓷片构成，所述蜂鸣片设置于蜂鸣盒中，所述蜂鸣盒两侧引出蜂鸣片的电极；所述蜂鸣片外部包裹一层衬底，所述衬底和蜂鸣盒之间填充防水材料；所述蜂鸣盒上设有排水孔，与防水材料配合使蜂鸣盒内保持干燥。进一步地，所述衬底采用聚氨酯材料。进一步地，所述衬底里面具有空芯的结构。本实用新型的有益效果为：通过防水材料和排水孔的设置保证了蜂鸣盒内部的干燥和及时排水。所述衬底是聚氨酯材料制成的，具有耐老化、具有弹性延展性包裹性好的优点。同时，衬底采用空芯的结构，成本低。

    006Molex45750-1212Molex50394-8100单粒=50394-8051卷带Molex52892-2695Molex35977-0400Molex39-01-2145Molex43045-2009Molex45750-3111Molex50394-8200Molex52892-2890Molex35977-0490Molex39-01-2145Molex43045-2010Molex45750-3111Molex50394-8400Molex52892-2895Molex35977-0500Molex39-01-2146Molex43045-2011Molex45750-3112Molex50397-8000Molex52892-3090Molex35977-0590Molex39-01-2160（5557-16R）Molex43045-2012Molex45750-3211Molex50398-8000Molex52892-3095Molex35977-0600Molex39-01-2160（5557-16R）Molex43045-2013Molex45750-3212Molex50398-8000Molex52893-0895Molex35977-0690Molex39-01-2160（5557-16R）Molex43045-2014Molex45802-0215Molex50419-9001Molex52893-0896Molex35977-0700Molex39-01-21615559-16PMolex43045-2015Molex45802-0227Molex50420-8000Molex52893-1090Molex35977-0790Molex39-01-2165Molex43045-2016Molex45802-1211Molex50516-8041Molex52893-1095Molex35977-0800=35977-0890Molex39-01-2166Molex43045-2018Molex45802-1223Molex50516-8041Molex52893-1295Molex35977-0900Molex39-01-2180Molex43045-2019Molex45830-0215Molex5。AD16 蜂鸣器操作寿命超 5 万小时，降低后期维护更换频率。

    上容纳腔和下容纳腔均呈圆柱体状，底板呈圆形，上容纳腔、下容纳腔、底板、铁芯、电磁线圈、粘磁、铜圈和振动膜片均与上盖和下盖同轴。进一步地，下盖的下出口端面上均匀设置有若干向上延伸的固定部，上盖嵌合在若干固定部内。进一步地，上盖的顶部开设有发声孔，发声孔与上盖同轴。进一步地，电磁线圈包括进线端和出线端，进线端和出线端分别位于铁芯上相对的两侧。本实用新型微小型电磁式发生器，其整体几何形状呈立方体状，长宽高分别为3mm、3mm和2mm，尺寸小，能够适用于更精密、体积更小的电子设备。同时发声效果好，固定牢固，密封性强。金属材质的上盖和下盖具有耐高温、耐腐蚀、不易变形等有益效果，设置在铜圈内的振动膜片能够起到阻挡密封胶和助焊剂渗入到蜂鸣器内部的作用，避免因密封胶或助焊剂渗入到蜂鸣器内部而影响发音效果，稳定性高。附图说明附图用来提供对本实用新型的进一步理解，并且构成说明书的一部分，与本实用新型的实施例一起用于解释本实用新型，并不构成对本实用新型的限制。在附图中：图1为本实用新型微小型电磁式蜂鸣器在实施方式中的结构示意图；图2为本实用新型微小型电磁式蜂鸣器在实施方式中的整体结构示意图。在电梯困人故障中，AD16 系列蜂鸣器会持续发声，辅助传递求救信号给外部人员。宝山区直供AD16系列蜂鸣器哪家强

蜂鸣器内部有简单的振荡电路，能将恒定的直流电转化成频率的脉冲信号，面实出磁场交变，带动钼片振动发音。上海制造AD16系列蜂鸣器

    578-0400Molex52610-1271Molex35362-1050Molex38783-6407Molex43045-0422Molex44478-3111Molex502578-0500Molex52610-1272Molex35362-1150Molex38789-0050Molex43045-0423Molex44478-3112Molex502578-0600Molex52610-1275Molex35362-1250Molex38789-0222Molex43045-0424Molex44485-1211Molex502578-0800Molex52610-1371Molex35362-1450Molex38789-0310Molex43045-0425Molex44485-1212Molex502578-1000Molex52610-1471Molex35362-1550Molex38969-0003Molex43045-0426Molex44485-3212Molex502578-1200Molex52610-1472Molex35362-2050Molex39-00-0021Molex43045-0427Molex44499-0003Molex502578-1400Molex52610-1475Molex35363-0260Molex39-00-0022Molex43045-0428Molex44499-0007Molex502578-1500Molex52610-1494Molex35363-0360Molex39-00-0023(5479PBT)Molex43045-0600Molex44499-0049Molex502579-0000Molex52610-1571Molex35363-0360Molex39-00-0029Molex43045-0601Molex44499-0088Molex502579-0000Molex52610-1671Molex35363-0360Molex39-00-0030Molex43045-0602Molex44516-0009(PK-44516-004)Molex502584-0260Molex52610-1672Molex35363-0460Molex39-00-0038。上海制造AD16系列蜂鸣器