高电压技术
高電壓技術
고전압기술
HIGH VOLTAGE ENGINEERING
2009年
12期
3031-3036
,共6页
移动终端%静电放电%人体模型%电磁辐射%终端模型%人体-终端模型
移動終耑%靜電放電%人體模型%電磁輻射%終耑模型%人體-終耑模型
이동종단%정전방전%인체모형%전자복사%종단모형%인체-종단모형
mobile terminal%electrostatic discharge%human body model%electromagnetic radiation%mobile terminal model%human body-mobile terminal model
建立合理的静电放电模型是进行静电防护的前提,为了有效改善移动终端的防静电性能,在现有的人体模型的基础上,根据静电放电会产生高电压、高电流和强烈的电磁辐射的特点,建立了移动终端静电放电的电磁辐射模型、移动终端模型、人体-移动终端模型.对各模型进行理论推导和仿真分析可知,电磁场的辐射频率对移动终端会产生串扰、辐射功率对终端的影响相对较小;增大终端输入电阻、人体和终端的接触电阻、以及人体和终端的接触电感,减小终端输入电容、人体和终端的接触电容等,都可以减少静电放电对终端造成的损伤.
建立閤理的靜電放電模型是進行靜電防護的前提,為瞭有效改善移動終耑的防靜電性能,在現有的人體模型的基礎上,根據靜電放電會產生高電壓、高電流和彊烈的電磁輻射的特點,建立瞭移動終耑靜電放電的電磁輻射模型、移動終耑模型、人體-移動終耑模型.對各模型進行理論推導和倣真分析可知,電磁場的輻射頻率對移動終耑會產生串擾、輻射功率對終耑的影響相對較小;增大終耑輸入電阻、人體和終耑的接觸電阻、以及人體和終耑的接觸電感,減小終耑輸入電容、人體和終耑的接觸電容等,都可以減少靜電放電對終耑造成的損傷.
건립합리적정전방전모형시진행정전방호적전제,위료유효개선이동종단적방정전성능,재현유적인체모형적기출상,근거정전방전회산생고전압、고전류화강렬적전자복사적특점,건립료이동종단정전방전적전자복사모형、이동종단모형、인체-이동종단모형.대각모형진행이론추도화방진분석가지,전자장적복사빈솔대이동종단회산생천우、복사공솔대종단적영향상대교소;증대종단수입전조、인체화종단적접촉전조、이급인체화종단적접촉전감,감소종단수입전용、인체화종단적접촉전용등,도가이감소정전방전대종단조성적손상.
In order to improve the anti-static performance of mobile terminal, based on the existing human body model, according to the high-voltage, high-current and a strong feature of electromagnetic radiation features of the electrostatic discharge, we established a mobile terminal electromagnetic radiation model(dipole model), mobile terminal model, and human body-mobile terminal model. Combining with electromagnetic field theory and the features of mobile terminal, we analyzed the electromagnetic radiation model. It is found that the frequency of electromagnetic radiation has crosstalk influence to mobile terminal, and the power of electromagnetic radiation has little influence to mobile terminal. Moreover, when the terminal's input resistance, human body-mobile terminal contact resistance and contact inductance increase, and the terminal's input capacitance and human body-mobile terminal contact capacitance decrease, lower peak current will be obtained. Therefore, we must consider all of these factors that can influence the electrostatic discharge features of mobile terminal and choose the reasonable method in case that these measures can not change the quality of mobile terminal.
