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    • 112. 发明申请
    • COOLING APPARATUS AND CONTROL METHOD THEREOF
    • 冷却装置及其控制方法
    • US20140033744A1
    • 2014-02-06
    • US13955620
    • 2013-07-31
    • Samsung Electronics Co., Ltd
    • Sun Jin KIM
    • F25D21/00
    • F25D21/002F25B49/025F25B2600/024F25D21/006F25D21/08
    • Disclosed herein are a cooling apparatus and a control method thereof. The cooling apparatus using latent heat of a refrigerant includes evaporators evaporating the refrigerant, a compressor compressing the evaporated refrigerant to a high pressure, defrosting heaters removing frost accumulated on the evaporators, a driving unit providing driving current selectively to the compressor or the defrosting heaters, and a control unit controlling the driving unit to provide driving current to the compressor in a cooling operation mode and controlling the driving unit to provide driving current to the defrosting heaters in a defrosting operation mode. The cooling apparatus controls the defrosting heaters using a driving circuit controlling the compressor, and thus lowers the manufacturing costs of a refrigerator operated at DC power.
    • 本文公开了一种冷却装置及其控制方法。 使用制冷剂的潜热的冷却装置包括蒸发制冷剂的蒸发器,将蒸发的制冷剂压缩到高压的压缩机,除霜加热器去除积聚在蒸发器上的结霜;驱动单元,其选择性地向压缩机或除霜加热器提供驱动电流, 以及控制单元,其控制所述驱动单元以在制冷操作模式下向所述压缩机提供驱动电流,并且控制所述驱动单元以除霜操作模式向所述除霜加热器提供驱动电流。 冷却装置使用控制压缩机的驱动电路来控制除霜加热器,从而降低以直流电力运行的冰箱的制造成本。
    • 114. 发明申请
    • Apparatus for preventing overload of air conditioner and method thereof
    • 用于防止空调过载的装置及其方法
    • US20030217557A1
    • 2003-11-27
    • US10338843
    • 2003-01-09
    • LG Electronics Inc.
    • Min Ho SoWon Hee LeeChang Min ChoiYoon Jei HwangDeok HuhCheoi Min Kim
    • F25B007/00F25B001/00F25B049/00
    • H02P29/02F04C23/001F25B49/025F25B2400/075F25B2500/06F25B2600/024F25B2700/151
    • 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.
    • 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。
    • 119. 发明专利
    • Heat pump device
    • 热泵装置
    • JP2010060150A
    • 2010-03-18
    • JP2008223531
    • 2008-09-01
    • Mitsubishi Electric Corp三菱電機株式会社
    • HAMADA MAMORUUNEZAKI FUMITAKETAKAHASHI YOSHIHIROTAKAHASHI KENGOOKADA KAZUKIUCHINO SHINICHI
    • F25B47/02
    • F25B49/005F25B30/02F25B2500/19F25B2600/024F25B2700/151F25B2700/2116F25D21/006
    • PROBLEM TO BE SOLVED: To provide a heat pump device wherein a defrost operation can be started at an optimal timing for maximizing the efficiency (when COP is maximized). SOLUTION: This heat pump device 100 includes a refrigerant circuit wherein a compressor 1, a condenser 2, an expansion means 3 and an evaporator 4 are connected sequentially, a condensation temperature detection means 11 for detecting the saturation temperature of the condenser 2, and an evaporation temperature detection means 12 for detecting the saturation temperature of the evaporator 4, and the operation efficiency is estimated based on a value obtained by dividing a heating capacity estimated from a detection value of the condensation temperature detection means 11 by the difference between a detection value of the condensation temperature detection means 11 and a detection value of the evaporation temperature detection means 12 or a power consumption estimated from the difference. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种热泵装置,其中可以在最大化效率(当COP最大化时)的最佳定时开始除霜操作。 解决方案:该热泵装置100包括其中压缩机1,冷凝器2,膨胀装置3和蒸发器4依次连接的制冷剂回路,冷凝温度检测装置11,用于检测冷凝器2的饱和温度 以及用于检测蒸发器4的饱和温度的蒸发温度检测装置12,并且基于通过将从冷凝温度检测装置11的检测值估计出的加热容量除以由冷凝温度检测装置11的检测值估计的加热容量而获得的值来估计运行效率 冷凝温度检测装置11的检测值和蒸发温度检测装置12的检测值或从该差异估计的功率消耗。 版权所有(C)2010,JPO&INPIT
    • 120. 发明申请
    • HEAT CYCLE FOR TRANSFER OF HEAT BETWEEN MEDIA AND FOR GENERATION OF ELECTRICITY
    • 用于传输介质和电力发生的热传递热循环
    • WO2013141805A1
    • 2013-09-26
    • PCT/SE2013/050305
    • 2013-03-19
    • ENERGIHUSET FÖRSÄLJNINGS AB HARDY HOLLINGWORTH
    • HOLLINGWORTH, Hardy
    • F25B11/02F01K25/08F25B30/02
    • F25B49/025F01K25/08F25B11/00F25B25/005F25B29/003F25B31/02F25B41/003F25B41/043F25B41/062F25B2339/047F25B2400/0403F25B2400/0409F25B2400/0411F25B2400/14F25B2600/024F25B2600/2501
    • A heat pump circuit has a compressor (C) which compresses a working fluid from a gas in a first state (1) with a low pressure and a low temperature to a gas in a second state (2) with a high pressure and a high temperature, wherein a first subflow of the working fluid is passed in a main circuit (Main) and is condensed into a gaseous/liquid mixture upon passage of a condenser (COND) and assumes a third state (3) by the working fluid delivering heat in the condenser (COND) to a first medium belonging to a heat cycle, and said first subflow of the working fluid is expanded in an evaporator (EVAP) and thereby returns to a gas in the first state (1) by absorbing heat from a second medium in a collector circuit connected to the evaporator (EVAP), whereupon the working fluid is returned to the compressor (C) and completes the cycle again, and wherein a second subflow of the compressed working fluid is expanded from the second state (2) that prevails at the outlet of the compressor (C) and is passed in a converting circuit (Transf) to an energy converter (TG) for converting the energy contents in the second subflow of the working fluid that traverses the energy converter (TG) into electrical energy, whereafter the expanded working fluid from the outlet of the energy converter is returned to the compressor (C) according to any of a) after passage of the evaporator (EVAP) for further expansion, b) directly back to the compressor (C) after expansion in the energy converter (TG) from the second state (2) to the first state (1).
    • 热泵回路具有压缩机(C),压缩机(C)将工作流体从处于低压和低温的第一状态(1)的气体压缩成具有高压和高压的第二状态(2)的气体 温度,其中工作流体的第一子流在主回路(Main)中通过,并且在冷凝器(COND)通过时被冷凝成气/液混合物,并且通过工作流体输送热量而呈现第三状态(3) 在冷凝器(COND)中属于属于热循环的第一介质,并且所述工作流体的所述第一子流在蒸发器(EVAP)中膨胀,从而通过从第一状态(1)吸收热而返回到第一状态 连接到蒸发器(EVAP)的集电器电路中的第二介质,随后将工作流体返回到压缩机(C)并再次完成循环,并且其中压缩工作流体的第二子流从第二状态(2 )在压缩机(C)的出口处占优势 通过转换电路(Transf)到能量转换器(TG),用于将穿过能量转换器(TG)的工作流体的第二子流中的能量内容转换成电能,之后将膨胀的工作流体从 能量转换器根据蒸发器(EVAP)进行进一步膨胀后的a)中的任一个返回到压缩机(C),b)在从能量转换器(TG)中膨胀之后直接回到压缩机(C) 状态(2)到第一状态(1)。