长宁区小型继电器AD16系列蜂鸣器
直流电源通过电磁线圈，再由输出端通过二极管给集成电路驱动芯片供电，内部振荡电路工作，并输出一定频率信号经输出端驱动单组电磁线圈，使得蜂鸣器发出声音，声音的频率由集成电路驱动芯片内部振荡器的频率而定。本发明，由于集成电路驱动芯片的电源连接电容，所以所述集成电路驱动芯片不容易被损坏，并且不会对系统造成比较大的冲击。综上所述，本发明带来的有益效果：一种高可靠性内置集成电路驱动芯片的蜂鸣器，具有可靠性高和成本低的优点。附图说明图1是本发明的结构示意图。图2是本发明的电路示意图。具体实施方式为使本发明的目的、技术方案和优点更加清楚，以下结合附图及具体实施例，对本发明作进一步地详细说明。如图1所示，本发明提供一种高可靠性内置集成电路驱动芯片的蜂鸣器，包括集成电路驱动芯片10、电容11、单组电磁线圈5、线路板6、支架3、磁环4、振动片2、正极针脚8、负极针脚9、壳体1、密封胶7。在实际安装中如图1所示，其中所述集成电路驱动芯片10、电容11、正极针脚8、负极针脚9焊接在线路板6上。如图2，结合图1，线路连接关系为：集成电路驱动芯片10电源连接电容11的一端，电容11的另一端连接负极针脚9，集成电路驱动芯片10地线端连接负极针脚9。用于计算机、打印机、复印机、报警器、电子玩具、汽车电子设备、电话机、定时器等电子产品中作发声器件。长宁区小型继电器AD16系列蜂鸣器
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包括集成电路驱动芯片10、电容11、单组电磁线圈5、线路板6、支架3、磁环4、振动片2、正极针脚8、负极针脚9、壳体1、密封胶7。在实际安装中如图1所示，其中所述集成电路驱动芯片10、电容11、正极针脚8、负极针脚9焊接在线路板6上。如图2，结合图1，电路连接关系为：集成电路驱动芯片10电源连接电容11一端，电容11另一端连接负极针脚9，集成电路驱动芯片10地线连接负极针脚9，单组电磁线圈5一端连接正极针脚8，单组电磁线圈5另一端连接集成电路驱动芯片10的输出端。综上所述，本发明带来的有益效果：一种内置低电压启动驱动芯片的蜂鸣器，具有启动电压低、可靠性高和成本低的优点。以上所述为本发明的实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的权利要求范围之内。零部件采用进口材料，坚固耐用，耐磨损; 音量为10cm/75分贝。长宁区小型继电器AD16系列蜂鸣器
电磁无源蜂鸣属于感性负载器件，理想输入是正向方波通常记作：VO-P。长宁区小型继电器AD16系列蜂鸣器
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