智能音响中MEMS Microphone性能测试的实现过程
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摘要
Microphone作为人机交互的重要传感器广泛应用于智能手机,智能手环,平板电脑及智能音响等智能设备中,特别是MEMS(Micro-Electro Mechanical System微机电系统)Microphone应用最为广泛。其优势在于体积小,受温度影响小,可使用SMT(Surface Mount Technology表面贴装技术)制造,能够承受无铅制程所用的回流焊温度。如何检测MEMS Microphone在经过高达260摄氏度的回流焊接及与机构件组装后的性能,成为电子制造生产过程中非常重要的一环。文章就智能音响中所用MEMS Microphone在焊接及机构组装后,Microphone性能的测试过程进行阐述研究。
As an important sensor of human-computer interaction, Microphone is widely used in smart phone, smart bracelet,tablet computer, intelligent audio and other intelligent devices, especially in MEMS(Micro-Electro Mechanical System system). It has the advantages of small size and so little effect of temperature, and can be manufactured using SMT(Surface Mount Technology), and can withstand the reflow welding temperature used in lead-free process. How to detect the performance of MEMS Microphone after reflux welding and assembly with mechanical parts has become a very important part of the electronic manufacturing process. In this paper, the testing process of the performance of MEMS Microphone used in intelligent audio system after welding and assembly is described.
As an important sensor of human-computer interaction, Microphone is widely used in smart phone, smart bracelet,tablet computer, intelligent audio and other intelligent devices, especially in MEMS(Micro-Electro Mechanical System system). It has the advantages of small size and so little effect of temperature, and can be manufactured using SMT(Surface Mount Technology), and can withstand the reflow welding temperature used in lead-free process. How to detect the performance of MEMS Microphone after reflux welding and assembly with mechanical parts has become a very important part of the electronic manufacturing process. In this paper, the testing process of the performance of MEMS Microphone used in intelligent audio system after welding and assembly is described.
引文
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[2]刘晓为,陈伟平.MEMS传感器接口ASIC集成技术[M].国防工业出版社,2013,2:208.
[3]周立云,月芬.图学音响设备原理、组装与维修[M].电子工业出版社,2014,01:13.
[4]刘兆一.车载音响自动测试系统设计[D].大连理工大学,2014.
[5]Robert A Finger,房洪源.以计算机为基础的音响设备性能测试系统[J].电声技术,1984(03):27-31.
[6]杨瑞光.基于Android的智能音响系统的设计与实现[D].北京交通大学,2017.
[7]王光临.用Pass Mark Sound Check测试你的音频系统[J].电脑迷,2003(08):25-26.