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1. 发明申请

US20030217557A1 Apparatus for preventing overload of air conditioner and method thereof 有权
标题翻译：用于防止空调过载的装置及其方法
公开(公告)号：US20030217557A1
公开(公告)日：2003-11-27
申请号：US10338843
申请日：2003-01-09
申请人： LG Electronics Inc.
发明人： Min Ho So , Won Hee Lee , Chang Min Choi , Yoon Jei Hwang , Deok Huh , Cheoi Min Kim
IPC分类号： F25B007/00 , F25B001/00 , F25B049/00
CPC分类号： H02P29/02 , F04C23/001 , F25B49/025 , F25B2400/075 , F25B2500/06 , F25B2600/024 , F25B2700/151
摘要： Disclosed are an apparatus for preventing an overload of an air conditioner and a method thereof. The apparatus includes current feedback units for feeding back the currents supplied to the compressors to the controller where at least one of a plurality of compressors, operated in response to currents generated from a controller for controlling an operation of the air conditioner, is in an overload state; and a comparator for sensing current differences between the currents inputted into the compressors and the currents fed back from the current feedback units. After sensing the current differences between the currents inputted into the compressors and the currents fed back from the current feedback units, the comparator determines that at least one of the compressors is in the overload state if a current difference does not exist. The controller simultaneously stops operations of the compressors, and re-operates the compressors if the overload state is relieved, thereby preventing a continuous overload state of a compressor and hence damage of a compressor.
摘要翻译：公开了一种防止空调过载的装置及其方法。该装置包括用于将提供给压缩机的电流反馈到控制器的电流反馈单元，其中响应于从用于控制空调的操作的控制器产生的电流而操作的多个压缩机中的至少一个压缩机处于过载状态州; 以及用于感测输入到压缩机的电流之间的电流差和从电流反馈单元反馈的电流的比较器。在感测输入到压缩机的电流和从电流反馈单元反馈的电流之间的电流差异之后，如果不存在电流差，则比较器确定至少一个压缩机处于过载状态。控制器同时停止压缩机的操作，并且如果过载状态被释放则重新操作压缩机，从而防止压缩机的连续过载状态，从而损坏压缩机。

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