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21. 发明专利

JP2013130371A Control device for air conditioner, air conditioner and control method for air conditioner 审中-公开
标题翻译：空调控制装置，空气调节器及空调器控制方法
公开(公告)号：JP2013130371A
公开(公告)日：2013-07-04
申请号：JP2011281769
申请日：2011-12-22
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： WATANABE SATOSHI , ISOZUMI SHINICHI , HAMACHIYO TAKASHI
IPC分类号： F24F11/02
CPC分类号： F24F2110/10 , F24F11/30 , F24F11/46 , F24F2140/20
摘要： PROBLEM TO BE SOLVED: To determine whether energy saving operation is to be performed or not by evaluating a discomfort index without using many information.SOLUTION: An air conditioner control device 18 includes: a first temperature sensor 20 for sensing an intake temperature of an indoor unit; a second temperature sensor 22 for sensing an indoor heat exchange temperature corresponding to the evaporation temperature of a refrigerant; a discomfort index derivation part 26 that uses a relative humidity based on the intake temperature and the indoor heat exchange temperature to derive a discomfort index; a set discomfort index derivation part 28 for deriving a set discomfort index which is a discomfort index based on the change history of a set temperature after the indoor unit has been put into operation; and a control part 30 for causing an air conditioner to operate in an energy saving manner when the discomfort index does not exceed the set discomfort index.
摘要翻译：要解决的问题：通过在不使用许多信息的情况下评估不适指数来确定是否执行节能操作。解决方案：空调控制装置18包括：第一温度传感器20，用于感测室内的进气温度单元; 用于感测与制冷剂的蒸发温度相对应的室内热交换温度的第二温度传感器22; 使用基于进气温度和室内热交换温度的相对湿度导出不适指数的不适指数导出部26; 用于根据室内机已经投入运行后的设定温度的变化历史导出作为不适指标的设定不适指数的集合不适指标导出部28; 以及控制部30，用于当不适指数不超过设定的不适指数时，使空调器以节能的方式工作。

22. 发明专利

JP2012233630A Branch pipe and air conditioner 有权
标题翻译：分支管和空调
公开(公告)号：JP2012233630A
公开(公告)日：2012-11-29
申请号：JP2011102142
申请日：2011-04-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HAMACHIYO TAKASHI , ISOZUMI SHINICHI
IPC分类号： F25B41/00 , F25B13/00
CPC分类号： F24F1/32 , F25B41/003 , F25B2313/025 , F25B2500/01
摘要： PROBLEM TO BE SOLVED: To provide a branch pipe and an air conditioner capable of distributing a refrigerant from an indoor unit toward each of outdoor units at an appropriate ratio at a branch section of gas pipes through which the refrigerant flows.SOLUTION: A branch pipe 1 is disposed in gas pipes for communicating an indoor unit and an outdoor unit, and used at a branch section for distributing a refrigerant to a plurality of outdoor units. The branch pipe 1 includes an inflow portion 17 into which the refrigerant flows, a first outflow portion 18 for discharging the refrigerant flowing from the inflow portion 17 toward the outdoor units, and a second outflow portion 19 for discharging the refrigerant flowing from the inflow portion 17 toward the outdoor units different from the outdoor units that are outflow destinations of the first outflow portion 18 at a target flow rate different from a target flow rate of the first outflow portion 18; and the cross-sectional ratio S1:S2 between the first outflow portion 18 and the second outflow portion 19 is determined depending on the target flow ratio between the first outflow portion 18 and the second outflow portion 19.
摘要翻译：解决的问题：提供一种分支管和空调器，其能够在制冷剂流过的气体管道的分支部处以适当的比例将制冷剂从室内单元分配给每个室外单元。解决方案：分支管1设置在用于连通室内单元和室外单元的气体管道中，并在用于将制冷剂分配到多个室外单元的分支部分处使用。分支管1包括制冷剂流入的流入部17，用于将从流入部17流向室外单元的制冷剂排出的第一流出部18，以及从流入部流出的制冷剂排出的第二流出部19 17朝向与第一流出部18的流出目的地的室外单元不同于与第一流出部18的目标流量不同的目标流量的室外单元; 并且第一流出部18和第二流出部19之间的截面比S1：S2根据第一流出部18和第二流出部19之间的目标流量比来确定。权利要求（C） 2013年，JPO＆INPIT

23. 发明专利

JP2012047409A Multi-type air conditioning system 有权
标题翻译：多类型空调系统
公开(公告)号：JP2012047409A
公开(公告)日：2012-03-08
申请号：JP2010190396
申请日：2010-08-27
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： SHIOTANI ATSUSHI , ISOZUMI SHINICHI
IPC分类号： F25B13/00
CPC分类号： F25B13/00 , F25B29/003 , F25B2313/007 , F25B2313/0233 , F25B2313/02334
摘要： PROBLEM TO BE SOLVED: To ensure sufficient cooling capacity easily at low cost even when an indoor unit that always performs a cooling operation is provided in an air conditioning system including a plurality of indoor units.SOLUTION: An indoor unit 3c that always performs a cooling operation includes a gas pipe pressure control kit 100 including a plurality of electromagnetic valves 101a, 101b, and 101c, and by controlling opening/closing of the electromagnetic valves 101a, 101b and 101c according to a suction temperature of a refrigerant, adjusts pressure loss of the refrigerant guided via an indoor heat exchanger 40 through a low-pressure gas pipe 7 to an outdoor unit 1 and adjusts evaporating pressure of the refrigerant in the indoor heat exchanger 40. Thus, even when an outside air temperature is low, the other indoor unit 3 performs the heating operation, and the outdoor unit functions as an evaporator, in the indoor unit 3c that performs the cooling operation, a suction temperature is prevented from dropping to below zero, and the indoor heat exchanger 40 is prevented from freezing.
摘要翻译：要解决的问题：即使在包括多个室内单元的空调系统中设置总是执行制冷操作的室内单元，也能够以低成本容易地确保足够的冷却能力。解决方案：总是执行冷却操作的室内机3c包括：包括多个电磁阀101a，101b和101c的气体管压力控制组件100，并且通过控制电磁阀101a，101b和 101c根据制冷剂的吸入温度调节通过室内热交换器40通过低压气体管7向室外机1引导的制冷剂的压力损失，并调节室内热交换器40中的制冷剂的蒸发压力。因此，即使在外部空气温度低的情况下，另外的室内机3进行制热运转，室外机作为蒸发器起作用，在进行制冷运转的室内机3c中，防止吸入温度下降到下方零，并且防止室内热交换器40冻结。版权所有（C）2012，JPO＆INPIT

24. 发明专利

JP2011149646A Air conditioner 审中-公开
标题翻译：冷气机
公开(公告)号：JP2011149646A
公开(公告)日：2011-08-04
申请号：JP2010012178
申请日：2010-01-22
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： ISOZUMI SHINICHI
IPC分类号： F24F11/02 , F24F1/00 , F24F13/28 , F25B47/02
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner determining presence/absence of ventilation fault by using a control command value used in motor control parts performing feedback control of DC fan motors, simplifying a configuration and improving determination accuracy of ventilation fault, etc. SOLUTION: The air conditioner 1 includes: fans 33, 25 making air flow in indoor heat exchangers 30 and an outdoor heat exchanger 13; the DC fan motors 32, 24 driving the fans 33, 25; and the motor control parts 35, 28 performing feedback control of the DC fan motor 32, 24 so that rotational frequency of the DC fan motors 32, 24 becomes a target value. The air conditioner 1 further includes a ventilation fault determination means 50 determining presence/absence of the ventilation fault with respect to the indoor heat exchangers 30 and the outdoor heat exchanger 13 based on a speed command value Vsp used for a control command in the motor control parts 35, 28 or its corresponding HEX value. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了通过使用执行直流风扇电动机的反馈控制的电动机控制部分中使用的控制指令值来提供确定有无通风故障的空调，简化了配置并提高了通风故障的确定精度，等等。空调1包括：在室内热交换器30和室外热交换器13中使空气流动的风扇33,25; 驱动风扇33,25的直流风扇马达32,24; 电动机控制部35,28对直流风扇电动机32,24进行反馈控制，使得直流风扇电动机32,24的转速成为目标值。空调装置1还包括通风故障判定单元50，根据用于电动机控制中的控制指令的速度指令值Vsp，判定有关室内热交换器30和室外热交换器13的换气故障的有无部件35,28或其对应的HEX值。版权所有（C）2011，JPO＆INPIT

25. 发明专利

JP2009243720A Multi-type air conditioner, method for checking operation of indoor electronic expansion valve of indoor unit, computer program, and failure diagnosis device 有权
标题翻译：多类型空调，室内电子扩张阀操作方法，计算机程序和故障诊断装置
公开(公告)号：JP2009243720A
公开(公告)日：2009-10-22
申请号：JP2008088597
申请日：2008-03-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： UEYAMA SATSUKI , ISOZUMI SHINICHI
IPC分类号： F24F11/02
CPC分类号： F25B49/005 , F25B13/00 , F25B2313/0233 , F25B2600/21 , F25B2600/2513
摘要： PROBLEM TO BE SOLVED: To provide a multi-type air conditioner such that the operation of an electronic expansion valve of an indoor unit is reliably checked, a method for checking the operation of the indoor electronic expansion valve of the indoor unit, a computer program, and a failure diagnosis device. SOLUTION: A saturation temperature TS is calculated from the pressure of the cooling medium PL at a low-pressure side of the outdoor unit measured by a pressure sensor, and the operation of the electronic expansion valve is checked by using the temperature difference TD between the calculated saturation temperature TS and a temperature TE of an indoor heat exchanger detected by a temperature sensor. In such a way, the influence of the fluctuation of the pressure of the cooling medium PL is eliminated, and the operation of the electronic expansion valve is reliably checked. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题的方案为了提供能够可靠地检查室内机的电子膨胀阀的动作的多功能空调机，对室内机的室内电子膨胀阀的动作进行检查的方法，计算机程序和故障诊断装置。解决方案：根据由压力传感器测量的室外机的低压侧的冷却介质PL的压力计算饱和温度TS，并且通过使用温差来检查电子膨胀阀的操作 TD在计算的饱和温度TS和由温度传感器检测的室内热交换器的温度TE之间。以这种方式，消除了冷却介质PL的压力波动的影响，并且可靠地检查电子膨胀阀的操作。版权所有（C）2010，JPO＆INPIT

26. 发明专利

JP2009210139A Multiple-type air conditioner 有权
标题翻译：多类型空调
公开(公告)号：JP2009210139A
公开(公告)日：2009-09-17
申请号：JP2008050464
申请日：2008-02-29
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： MITOMA KEISUKE , ISOZUMI SHINICHI , NAKAMOTO MASAHIKO , HATTORI TAKAYUKI
IPC分类号： F25B13/00 , F24F11/02 , F25B1/00 , F25B29/00
CPC分类号： F25B2313/0231
摘要： PROBLEM TO BE SOLVED: To provide a multiple-type air conditioner reducing switching noise without degrading an air-conditioning performance of an indoor unit in which cooling and heating are not switched. SOLUTION: Switching of any of indoor units performing a cooling operation to a heating operation is performed through: a step of opening a closed second high-low pressure bypass opening/closing valve 64 after a command for switching the operation is given; a step of switching a connecting state of a port 48-1 for a high pressure gas pipe and a port 48-4 for a low pressure bypass pipe of an indoor four-way valve 48 from the state for cooling operation to the state for heating operation after the second high-low pressure bypass opening/closing valve 64 is opened; and a step of closing the second high-low pressure bypass opening/closing valve 64 after the connecting state of the port 48-1 for the high pressure gas pipe and the port 48-4 for the low pressure bypass pipe is switched from the state for cooling operation to the state for heating operation. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种降低开关噪声的多重型空调，而不会降低不切换制冷和加热的室内机的空调性能。解决方案：通过以下步骤进行进行制冷运转的室内单元的加热运转：在运转切换命令之后，打开封闭的第二高低压旁通开闭阀64的步骤; 将用于高压气体管道的端口48-1和室内四通阀48的低压旁通管口48-4的连接状态从制冷运行状态切换到加热状态的步骤在第二高低压旁通开/关阀64打开之后的操作; 以及在高压气体管道的端口48-1和低压旁通管道的端口48-4的连接状态从状态切换到关闭第二高低压旁通开闭阀64的步骤用于制冷操作到加热操作状态。版权所有（C）2009，JPO＆INPIT

27. 发明专利

JP2008111416A Method for predicting failure of electric compressor, control device for electric compressor and air conditioner 审中-公开
标题翻译：电动压缩机故障的方法，电动压缩机和空调器的控制装置
公开(公告)号：JP2008111416A
公开(公告)日：2008-05-15
申请号：JP2006296335
申请日：2006-10-31
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： MAENO MASASHI , WATANABE SATOSHI , ISOZUMI SHINICHI , MITOMA KEISUKE
IPC分类号： F04B49/06 , F04B49/10 , F04B51/00
摘要： PROBLEM TO BE SOLVED: To improve accuracy of failure prediction in an electric compressor of a compressor or the like.
SOLUTION: Number of times of start and number of times of start failure of the compressor 7 are recorded when the compressor 7 is started with rising start torque stepwise. Ratio of start failure for a predetermined period of time is operated with using the recorded number of times of start and number of times of start failure, and a failure of the compressor 7 is predicted based on fluctuation of the ratio.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提高压缩机等的电动压缩机中的故障预测的精度。解决方案：当压缩机7以逐步上升的启动扭矩启动时，记录压缩机7的启动次数和启动次数。通过使用记录的起动次数和启动次数来进行预定时间段的起动故障的比例，并且基于比率的波动来预测压缩机7的故障。版权所有（C）2008，JPO＆INPIT

28. 发明专利

JP2008096019A Air conditioner 有权
标题翻译：冷气机
公开(公告)号：JP2008096019A
公开(公告)日：2008-04-24
申请号：JP2006277481
申请日：2006-10-11
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： WATANABE SATOSHI , MAENO MASASHI , ISOZUMI SHINICHI , MITOMA KEISUKE
IPC分类号： F25B1/00 , F24F11/02 , F25B43/02
CPC分类号： F25B31/004 , F25B13/00 , F25B49/02 , F25B2313/023 , F25B2500/01 , F25B2500/16 , F25B2600/2513
摘要： PROBLEM TO BE SOLVED: To provide an air conditioner capable of surely collecting the lubricant accumulated in each indoor machine and its refrigerant circuit side regardless of the difference in refrigerant piping lengths of the plurality of connected indoor machines. SOLUTION: In this air conditioner 1 comprising a lubricant collecting operation portion 22 for operating each of the indoor machines 3A, 3B, 3C in a slight liquid back state at a prescribed timing, performing a lubricant collecting operation to collect the lubricant accumulated in the refrigerant circuit 21, and terminating the lubricant collecting operation when the liquid back is detected at an outdoor machine 2 side, the lubricant collecting operating portion 22 comprises a refrigerant piping length detecting portion 26 for detecting the refrigerant piping lengths of the indoor machines 3A, 3B, 3C, a refrigerant piping length storing portion 27 for storing the refrigerant piping lengths detected by the refrigerant piping length detecting portion 26, and lubricant collection control portions 28, 38 for changing an operation time in the lubricant collecting operation on the basis of the refrigerant piping lengths of the indoor machines 3A, 3B, 3C stored in the refrigerant piping length storing portion 27. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够可靠地收集每个室内机及其制冷剂回路侧积聚的润滑剂的空调，而与多台室内机的制冷剂配管长度的差异无关。解决方案：在具有润滑剂收集操作部分22的空气调节器1中，用于在规定的时间以稍微的液体返回状态操作每个室内机3A，3B，3C，执行润滑剂收集操作以收集累积的润滑剂在制冷剂回路21中，当在室外机2侧检测到液体返回时终止润滑剂收集操作，润滑剂收集操作部22包括用于检测室内机3A的制冷剂配管长度的制冷剂配管长度检测部26 3B，3C是用于存储由制冷剂配管长度检测部26检测出的制冷剂配管长度的制冷剂配管长度存储部27，以及用于根据润滑剂收集操作改变润滑剂收集操作的操作时间的润滑剂收集控制部28,38 存储在制冷剂配管le中的室内机3A，3B，3C的制冷剂配管长度第三存储部分27.版权所有（C）2008，JPO和INPIT

29. 发明专利

JP2005241169A Refrigerant circuit of air conditioner 审中-公开
标题翻译：空调制冷电路
公开(公告)号：JP2005241169A
公开(公告)日：2005-09-08
申请号：JP2004053069
申请日：2004-02-27
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： NAKAMURA MITSURU , ISOZUMI SHINICHI
IPC分类号： F25B13/00 , F25B43/00 , F25B49/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigerant circuit of an air conditioner which can be stably operated at a low manufacturing cost.
SOLUTION: In the refrigerant circuit of the air conditioner in which a compressor 2, condenser 3 (or 5), an expansion valve 7b (or 7a) and an evaporator 5 (or 3) are sequentially connected by a refrigerant flow passage, a flow passage L for bypassing a space B between the evaporator 5 and the compressor 2 and a space A between the condenser 3 and the expansion valve 7b are provided and an electromagnetic opening/closing valve 10 and a capillary tube 9 are provided at the bypassing flow passage L with the capillary tube 9 on the B side and the electromagnetic opening/closing valve 10 on the A side. A pressure sensor 11 is provided between the electromagnetic opening/closing valve 10 and the capillary tube 9 and "fixed evaporating pressure control" is conducted during cooling operation and "fixed condensing pressure control" is conducted during heating operation by work control of the electromagnetic opening/closing valve 10. In addition, in the case that temperature of discharging refrigerant from the compressor 2 abnormally rises, liquid refrigerant is introduced to the compressor 2 through the bypassing flow passage for cooling down the compressor 2.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可以以低制造成本稳定运行的空调的制冷剂回路。解决方案：在空气调节器的制冷剂回路中，压缩机2，冷凝器3（或5），膨胀阀7b（或7a）和蒸发器5（或3）通过制冷剂流动通道设置用于旁路蒸发器5与压缩机2之间的空间B以及冷凝器3与膨胀阀7b之间的空间A的流路L，在该冷凝器3和膨胀阀7b之间设置电磁开闭阀10和毛细管9 B侧的毛细管9和A侧的电磁开闭阀10的旁路流路L。在电磁开闭阀10与毛细管9之间设有压力传感器11，在制冷运转时进行“固定蒸发压力控制”，在加热运转中通过电磁开口的工作控制进行“固定冷凝压力控制” 此外，在来自压缩机2的排出制冷剂的温度异常上升的情况下，液体制冷剂通过旁路流路被导入压缩机2，以使压缩机2冷却。版权所有（C））2005年，日本特许厅和NCIPI

30. 发明专利

JPH11118267A AIR CONDITIONER 失效
公开(公告)号：JPH11118267A
公开(公告)日：1999-04-30
申请号：JP28087197
申请日：1997-10-14
申请人： MITSUBISHI HEAVY IND LTD
发明人： KOMINAMI SATOSHI , ISOZUMI SHINICHI
IPC分类号： F25B1/00 , F25B13/00 , F25B31/00
摘要： PROBLEM TO BE SOLVED: To obtain an air conditioner comprising a plurality of outdoor units each having a compressor and a heat exchanger in which shortage of coolant is prevented on the outdoor unit side during operation by providing a piping for coupling the suction side of respective outdoor units where the pressure drops during operation of the compressor. SOLUTION: The air conditioner comprising two outdoor units 10A, 10B is provided with a piping 40 for interconnecting oil equalizing pipes 37A, 37B which couple the low pressure sections 19, 19; 19, 19 on the suction side of the compressors 13A, 14A; 13B, 14B of the outdoor units 10A, 10B. On/off valves 41A, 41B are provided, respectively, on the oil equalizing pipe 37A side and the oil equalizing pipe side 37B of the interconnecting pipe 40. When operating state and stopping state of the outdoor units 10A, 10B exist simultaneously, the on/off valves 41A, 41B are opened to conduct the low pressure sections 19,... of respective units 10A, 10B through the interconnecting pipe 40 thus preventing shortage of coolant on the outdoor unit side.

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