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1. 发明专利

JP2012072995A Refrigerating device, and method of estimating backlash of expansion valve of refrigerating device 审中-公开
标题翻译：制冷装置和估计制冷装置膨胀阀的反冲的方法
公开(公告)号：JP2012072995A
公开(公告)日：2012-04-12
申请号：JP2010219620
申请日：2010-09-29
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI , KIHO KOSUKE , KASAHARA SHINICHI
IPC分类号： F25B49/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating device and a method of estimating its backlash, capable of improving accuracy in estimation of the backlash of an expansion valve used in the refrigerating device.SOLUTION: A control section 7 detects a degree of overheat of a refrigerant flowing in a refrigerant circuit 10. The control section 7 implements an operation to change an opening of an indoor expansion valve 44 until the degree of overheat changes in a state that a condition of the refrigerant flowing in the refrigerant circuit 10 satisfies a prescribed stable condition. The backlash of the indoor expansion valve 44 is estimated on the basis of the change of the opening of the indoor expansion valve 44 changed when the degree of overheat changes.
摘要翻译：要解决的问题：提供一种能够提高对制冷装置中使用的膨胀阀的间隙的估计精度的制冷装置及其间隙的估计方法。解决方案：控制部分7检测在制冷剂回路10中流动的制冷剂的过热度。控制部分7执行一个操作来改变室内膨胀阀44的开度，直到状态变得过热在制冷剂回路10中流动的制冷剂的状态满足规定的稳定状态。基于当过热度变化时改变的室内膨胀阀44的开度的变化来估计室内膨胀阀44的齿隙。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012077962A Outdoor unit for refrigeration device 有权
标题翻译：制冷装置室外单元
公开(公告)号：JP2012077962A
公开(公告)日：2012-04-19
申请号：JP2010221725
申请日：2010-09-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI , KIHO KOSUKE , KASAHARA SHINICHI
IPC分类号： F24F11/04
CPC分类号： F28F27/00 , F24F3/065 , F25B13/00 , F25B49/027 , F25B2313/02741 , F25B2313/0294 , F25B2600/111 , Y02B30/743
摘要： PROBLEM TO BE SOLVED: To provide an outdoor unit for a refrigeration device, capable of suppressing a reduction in the total amount of air secured by a plurality of outdoor fans and passing through an outdoor heat exchanger, when the total amount of air of the plurality of outdoor fans is reduced.SOLUTION: The outdoor unit for a refrigeration device includes an outdoor heat exchanger 23, a first outdoor fan 28a and a second outdoor fan 28b which generate airflow passing through the outdoor heat exchanger 23, and a fan control unit. When a small amount of air is required, the fan control unit changes from a first operation state to a second operation state, the first operation state being a state in which the first outdoor fan 28a and the second outdoor fan 28b operate, the second operation state being a state in which the operation of the first outdoor fan 28a is continued and the supply of electric power to the second outdoor fan 28b is cut off. Also, after changing to the second operation state, the fan control unit performs fan on/off control for turning on or off the supply of electric power to both the first outdoor fan 28a and the second outdoor fan 28b on the basis of the monitoring of the values of electric currents relating to a timer and the fan motors or on the basis of the monitoring of the rotation speed of the fans.
摘要翻译：解决的问题：为了提供一种制冷装置的室外机，能够抑制由多台室外风扇固定并通过室外热交换器的空气总量的减少，当空气的总量的多个户外风扇。解决方案：用于制冷装置的室外单元包括产生通过室外热交换器23的气流的室外热交换器23，第一室外风扇28a和第二室外风扇28b，以及风扇控制单元。当需要少量空气时，风扇控制单元从第一操作状态变为第二操作状态，第一操作状态是第一室外风扇28a和第二室外风扇28b操作的状态，第二操作状态是第一室外风扇28a的操作持续并且向第二室外风扇28b供给电力的状态被切断。此外，在变更为第二运转状态之后，风扇控制单元根据对第一室外风扇28a和第二室外风扇28b的监视，对第一室外风扇28a和第二室外风扇28b进行电力供给接通或断开，进行风扇开闭控制与定时器和风扇电动机相关的电流值或者基于风扇转速监视的电流值。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2013083434A Refrigeration device 有权
标题翻译：制冷装置
公开(公告)号：JP2013083434A
公开(公告)日：2013-05-09
申请号：JP2012213551
申请日：2012-09-27
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI , KASAHARA SHINICHI , KIHO KOSUKE
IPC分类号： F25B1/00 , F24F11/02
CPC分类号： F25B49/02 , F25B31/002 , F25B2400/01 , F25B2500/26 , F25B2500/31 , F25B2700/193 , F25B2700/1933 , F25B2700/2105 , F25B2700/21155
摘要： PROBLEM TO BE SOLVED: To inexpensively provide a refrigerating device capable of easily maintaining an appropriate oil concentration or oil viscosity in regard to lubricating oil in a compressor and reducing standby power consumption.SOLUTION: The compressor 40 compresses a refrigerant circulating between an indoor heat exchanger 21 and an outdoor heat exchanger 31. A crankcase heater 46 heats the lubricating oil in the compressor 40. A control device 50 controls the crankcase heater 46. A control device 50 controls the crankcase heater 46 so that the temperature of the lubricating oil in the compressor 40 reaches a target oil temperature value which is obtained by adding an oil temperature offset value to the saturation temperature of the refrigerant in the compressor 40.
摘要翻译：要解决的问题：为了便宜地提供能够容易地维持关于压缩机中的润滑油的适当的油浓度或油粘度并降低待机功率消耗的制冷装置。解决方案：压缩机40压缩在室内热交换器21和室外热交换器31之间循环的制冷剂。曲轴箱加热器46加热压缩机40中的润滑油。控制装置50控制曲轴箱加热器46.控制装置50控制曲轴箱加热器46，使得压缩机40中的润滑油的温度达到通过将油温偏移值与压缩机40中的制冷剂的饱和温度相加而获得的目标油温度值。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2013076544A Outdoor unit of refrigerating device 有权
标题翻译：制冷装置室外单元
公开(公告)号：JP2013076544A
公开(公告)日：2013-04-25
申请号：JP2011218264
申请日：2011-09-30
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI , KIHO KOSUKE , KASAHARA SHINICHI
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide an outdoor unit of a refrigerating device capable of suppressing a decrease from a target value of an airflow which is passed through an outdoor heat exchanger and secured by an outdoor fan in operation when there is a low airflow demand.SOLUTION: The outdoor unit of the refrigerating device is provided with the outdoor heat exchanger 23, a plurality of outdoor fans 28a, 28b, and a control part 91 shifted from a first operation state that all the plurality of outdoor fans operate when there is a low airflow demand to a second operation state that some outdoor fans out of the plurality of outdoor fans are stopped and an operating continuation fan operates. The control part has a fan airflow determining part 96 for determining a fan airflow of an operating continuation fan so as to be larger than a supposed total airflow when the control part shifts from the first operation state to the second operation state and an execution part 97 for operating the operating continuation fan so as to reach a fan airflow determined by the fan airflow determining part and stopping some outdoor fans.
摘要翻译：要解决的问题：提供一种制冷装置的室外单元，其能够抑制当室内热交换器通过室外热交换器的气流的目标值降低时，由室外风扇在室内运行时由低温气流需求。
解决方案：制冷装置的室外机设置有室外热交换器23，多个室外风扇28a，28b和控制部91，所述多个室外风扇28a，28b和控制部91从所有多个室外风扇的运转状态转移，在第二操作状态下存在低气流需求，使得多个室外风扇中的一些室外风扇停止并且操作继续风扇工作。控制部分具有风扇空气流量确定部分96，用于当控制部件从第一操作状态转换到第二操作状态时，确定操作连续风扇的风扇气流，使其大于假设的总气流;以及执行部件97 用于操作操作继续风扇以达到由风扇气流确定部件确定的风扇气流并且停止一些室外风扇。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2013140010A Refrigeration device 有权
标题翻译：制冷装置
公开(公告)号：JP2013140010A
公开(公告)日：2013-07-18
申请号：JP2013078734
申请日：2013-04-04
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI , KASAHARA SHINICHI , KIHO KOSUKE
IPC分类号： F25B1/00 , F04B39/02 , F04C29/02 , F25B13/00
摘要： PROBLEM TO BE SOLVED: To provide a refrigeration device with which an appropriate oil concentration or oil viscosity can easily be maintained for lubricating oil in the compressor, and with which the standby power consumption can be reduced at a low cost.SOLUTION: A compressor 40 compresses a refrigerant circulating between an indoor heat exchanger 21 and an outdoor heat exchanger 31. A crankcase heater 46 heats the lubricating oil in the compressor 40. A control device 50 controls the crankcase heater 46. The control device 50 controls the crankcase heater 46 such that the temperature of the lubricating oil in the compressor 40 reaches a target oil temperature value which is obtained by adding an oil temperature offset value to the saturation temperature of the refrigerant in the compressor 40.
摘要翻译：要解决的问题：提供一种能够容易地维持压缩机中的润滑油的适当的油浓度或油粘度的制冷装置，并且可以以低成本降低待机功耗。解决方案：压缩机40 压缩在室内热交换器21和室外热交换器31之间循环的制冷剂。曲轴箱加热器46加热压缩机40中的润滑油。控制装置50控制曲轴箱加热器46.控制装置50控制曲轴箱加热器46 压缩机40中的润滑油的温度达到通过将油温偏移值与压缩机40中的制冷剂的饱和温度相加而获得的目标油温值。

6. 发明专利

JP2012154600A Air conditioner 有权
标题翻译：冷气机
公开(公告)号：JP2012154600A
公开(公告)日：2012-08-16
申请号：JP2011016390
申请日：2011-01-28
申请人： Daikin Industries Ltd , ダイキン工業株式会社
发明人： TANI KAZUHIKO , OKA MASAHIRO , YURA YOSHINORI , KIHO KOSUKE , KASAHARA SHINICHI
IPC分类号： F24F11/02
摘要： PROBLEM TO BE SOLVED: To sufficiently suppress increase of power consumption and decline of operation efficiency accompanying the start and stop of a compressor, in an air conditioner which is configured by connecting an outdoor unit provided with the compressor and a plurality of indoor units to perform an air conditioning operation so as to turn an indoor temperature in each indoor unit to a user set indoor temperature in each indoor unit.SOLUTION: A control section (8) for performing the air conditioning operation sets a thermo temperature width for a set temperature of each of a plurality of indoor units (4a, 4b, 4c), performs indoor thermo-off, indoor thermo-on, outdoor thermo-off, and outdoor thermo-on, and executes indoor thermo timing change control for changing the thermo temperature width for any of the plurality of indoor units (4a, 4b, 4c).
摘要翻译：要解决的问题：为了充分抑制伴随着压缩机的启动和停止的功率消耗的增加和运行效率的下降，在通过将设置有压缩机的室外机和多个室内单元进行空调运转，以将各室内机的室内温度设定为室内机的室内温度。解决方案：用于执行空调操作的控制部分（8）将多个室内单元（4a，4b，4c）中的每一个的设定温度的热温度设置为室内热关闭，室内热 - 室外热关闭和室外热负荷，并且执行用于改变多个室内单元（4a，4b，4c）中的任何一个的温度温度的室内热定时改变控制。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2014092344A Refrigeration unit 有权
标题翻译：制冷单元
公开(公告)号：JP2014092344A
公开(公告)日：2014-05-19
申请号：JP2012244556
申请日：2012-11-06
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide a refrigeration unit capable of easily maintaining appropriate concentration or viscosity of lubrication oil in a compressor and reducing standby power.SOLUTION: A solenoid valve 48 is open when a compressor 40 is stopped, and refrigerant is bypassed from a discharge pipe 42 to a suction pipe 43 of the compressor 40 through a by-pass pipe 47. Pressure in the compressor 40 is equalized by the by-pass pipe 47. In this state, a crank case heater 46 is turned off and stops heating the compressor 40.
摘要翻译：要解决的问题：提供一种能够容易地保持压缩机中润滑油的适当浓度或粘度并降低待机功率的制冷单元。解决方案：当压缩机40停止时，电磁阀48打开，制冷剂从排出管42通过旁通管47与压缩机40的吸入管43.压缩机40中的压力由旁通管47相等。在这种状态下，曲轴箱加热器46被关闭并停止加热压缩机40。

8. 发明专利

JP2014122769A Refrigeration apparatus 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2014122769A
公开(公告)日：2014-07-03
申请号：JP2012279826
申请日：2012-12-21
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To greatly reduce power consumption consumed during standby time, while securing reliability of a compressor.SOLUTION: A use side heat exchanger 21 and a heat source side heat exchanger 43 function as a condenser or an evaporator. A compression mechanism 31 is configured by a main compressor 32 and a sub compressor 33 for compressing a cooling medium in a cooling medium circuit 10a being connected in parallel. A bypass passage 60 is a cooling medium passage for bypassing the cooling medium discharged from the main compressor 32. A heating unit 62 is arranged in the bypass passage 60, and heats the sub compressor 33 by the cooling medium discharged from the main compressor 32. A heat source side control unit 70 makes the heating unit 62 perform an operation of heating the sub compressor 33 before starting the sub compressor 33 or during stop preparation control of the compression mechanism 31.
摘要翻译：要解决的问题：在确保压缩机的可靠性的同时，大大降低待机时间消耗的功耗。解决方案：利用侧热交换器21和热源侧热交换器43用作冷凝器或蒸发器。压缩机构31由主压缩机32和副压缩机33构成，用于压缩并联连接的冷却介质回路10a中的冷却介质。旁通通道60是用于旁路从主压缩机32排出的冷却介质的冷却介质通道。旁通通道60中设置有加热单元62，并且通过从主压缩机32排出的冷却介质来加热副压缩机33。热源侧控制单元70使加热单元62在启动副压缩机33之前或在压缩机构31的停止准备控制期间执行加热副压缩机33的操作。

9. 发明专利

JP2014173791A Freezer 有权
标题翻译：冰箱
公开(公告)号：JP2014173791A
公开(公告)日：2014-09-22
申请号：JP2013046882
申请日：2013-03-08
申请人： Daikin Ind Ltd , ダイキン工業株式会社
发明人： YURA YOSHINORI
IPC分类号： F25B1/00 , F04B39/06 , F04C29/04
CPC分类号： F25B49/022 , F04B39/02 , F04B39/023 , F04C18/0215 , F04C23/008 , F04C29/028 , F04C29/04 , F04C2270/195 , F25B13/00 , F25B31/002 , F25B49/005 , F25B2313/0233 , F25B2400/01 , F25B2500/16 , F25B2500/27 , F25B2500/31 , F25B2700/1931 , F25B2700/1933 , F25B2700/21151 , F25B2700/21152 , F25B2700/21155
摘要： PROBLEM TO BE SOLVED: To provide a freezer capable of attaining both minimization of a standby power of a heater and improvement in reliability of a compressor while considering concentration (consistency) of freezer oil due to condensation within a dome.SOLUTION: A freezer 1 comprises a compressor 21 having a structure for discharging refrigerant compressed by a compression element 21b into an inner space 36a of a casing 21a formed with an oil reservoir 36c storing freezer oil and thereafter feeding the refrigerant out of the casing 21a, a heater 28 and a control part 9. The control part 9 controls, during stopped state of the freezer 1, the heater 28 in such a way that a temperature of freezer oil stored in the oil reservoir 36c may reach the first desired oil temperature kept at an allowable condensation amount or less enabling a refrigerant condensation amount generated by in-dome condensation when the freezer 1 starts to its operation at a concentration or viscosity of the freezer oil required for lubrication of the freezer 21.
摘要翻译：要解决的问题：提供一种能够在考虑由于在圆顶内的冷凝引起的冷冻机的浓度（一致性）的同时实现加热器的待机功率的最小化和压缩机的可靠性的提高的冷冻机。解决方案：冷冻器1包括一种压缩机21，其具有用于将由压缩元件21b压缩的制冷剂排出到壳体21a的内部空间36a中，该壳体21a形成有储存冷冻机油的储油器36c，然后将制冷剂从壳体21a中供给，加热器28和控制控制部分9在冷冻器1的停止状态期间控制加热器28，使得储存在储油器36c中的冷冻机的温度可达到保持在容许冷凝量的第一所需油温，或当冷冻器1以冷冻机的浓度或粘度开始运行时，能够减少由穹顶内冷凝产生的制冷剂冷凝量冷冻机润滑所需的油21。

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