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    • 2. 发明公开
    • AIR CONDITIONER AND COMPRESSOR PROTECTION CIRCUIT THEREOF
    • KLIMAANLAGE UND VERDICHTERSCHUTZSCHALTUNGDAFÜR
    • EP3128631A1
    • 2017-02-08
    • EP14887854.9
    • 2014-12-30
    • Midea Group Co., Ltd.
    • BAO, DianshengCHEN, Jianchang
    • H02H3/08
    • H02H7/08F24F1/08F25B49/025F25B2400/077F25B2700/151H02H3/08H02H7/0856H02H7/09H02H7/1227
    • An air conditioner and a compressor protection circuit thereof are provided. When overcurrent occurs in a phase current of a compressor, an overcurrent level signal is output by a voltage comparison module, and is latched and output to an intelligent power module by a signal latching module, and the intelligent power module shuts off the output of the phase current according to the overcurrent level signal, so as to achieve the overcurrent protection of the compressor; and subsequently, a conventional level signal is output to the signal latching module by the voltage comparison module, the signal latching module keeps outputting the overcurrent level signal, and outputs the conventional level signal until a latching cancel signal output by a signal processing circuit is received, so that the intelligent power module starts the output of the phase current, thereby enabling the compressor to normally operate.
    • 提供了一种空调及其压缩机保护电路。 当在压缩机的相电流中发生过电流时,电压比较模块输出过电流电平信号,并通过信号锁存模块锁存并输出到智能电源模块,智能电源模块关闭 相电流根据过电流信号,从而达到压缩机的过流保护; 然后,通过电压比较模块将常规电平信号输出到信号锁存模块,信号锁存模块保持输出过电流电平信号,并输出常规电平信号,直到接收到由信号处理电路输出的锁存取消信号 ,使智能电源模块启动相电流的输出,从而使压缩机正常工作。
    • 9. 发明公开
    • COMBINED ELECTRIC TOOL AND CONTROL METHOD THEREFOR
    • KOMBINIERTES ELEKTRISCHES WERKZEUG UND STEUERUNGSVERFAHRENDAFÜR
    • EP3135436A1
    • 2017-03-01
    • EP15783647.9
    • 2015-03-11
    • Suzhou Cleva Electric Appliance Co. Ltd.
    • KONG, Zhao
    • B25F3/00
    • B25F3/00H02H7/0844H02H7/0854H02H7/0856H02K7/14H02K11/33
    • A combined electric tool comprises at least one main body and at least one working part which may be separated or connected, wherein a separable and connectable transmission device is arranged therebetween, the main body is provided therein with an electric motor and a control circuit, the control circuit comprises a signal recognition module comprising a microcontroller, the working part is provided therein with an identification module, and the signal recognition module and the identification module are electrically connected or in wireless communication, such that the microcontroller can recognise the working part. The combined electric tool can recognise different working parts, and is safe and efficient in operation because different control methods are adopted against different working parts, and at the same time, the electric motor in the main body is in common use and thus the hardware cost is remarkably reduced. Also disclosed is a control method for the combined electric tool.
    • 组合电动工具包括至少一个主体和至少一个可以分离或连接的工作部分,其中在其间设置有可分离和可连接的传动装置,主体设置有电动机和控制回路, 控制电路包括由微控制器构成的信号识别模块,工作部件中设置有识别模块,信号识别模块和识别模块电连接或无线通信,使得微控制器可识别工作部件。 组合式电动工具可以识别不同的工作部件,由于不同的工作部件采用不同的控制方式,操作安全高效,同时主机中的电动机是共同使用的,因此硬件成本 明显减少 还公开了一种组合电动工具的控制方法。