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1. 发明专利

JP2014074583A Refrigeration air conditioner 审中-公开
标题翻译：制冷空调
公开(公告)号：JP2014074583A
公开(公告)日：2014-04-24
申请号：JP2014013756
申请日：2014-01-28
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ITO TAKUYA , SUMIDA YOSHIHIRO , OKAZAKI TAKASHI , SAITO MAKOTO , KATO HISAHIRA , FUKUI TAKASHI
IPC分类号： F25B1/00 , F25B39/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigeration air conditioner which prevents oil unevenness and enlargement of the unit size and achieves high efficiency with a compact structure even when being formed by a refrigeration cycle using three or more compressors.SOLUTION: A refrigeration air conditioner includes: a first refrigeration cycle having a first compressor and a first decompressor; a second refrigeration cycle having a second compressor and a second decompressor; a third refrigeration cycle having a third compressor and a third decompressor; a fourth refrigeration cycle having a fourth compressor and a fourth decompressor; a first heat exchanger for conducting heat exchange between a heat medium and refrigerants of the first refrigeration cycle and the second refrigeration cycle; and a second heat exchanger for conducting heat exchange between the heat medium which has been subject to the heat exchange in the first heat exchanger and refrigerants of the third refrigeration cycle and the fourth refrigeration cycle.
摘要翻译：要解决的问题：提供一种制冷空调装置，即使在使用三台以上的压缩机的制冷循环形成时，也能够以紧凑的结构防止油分不均匀化和单位尺寸的扩大，高效率。：具有第一压缩机和第一减压器的第一制冷循环; 第二制冷循环，具有第二压缩机和第二减压器; 第三制冷循环，具有第三压缩机和第三减压器; 第四制冷循环，具有第四压缩机和第四减压器; 第一热交换器，用于在热介质和第一制冷循环和第二制冷循环的制冷剂之间进行热交换; 以及第二热交换器，用于在已经经受第一热交换器中的热交换的热介质和第三制冷循环和第四制冷循环的制冷剂之间进行热交换。

2. 发明专利

JP2014001882A Heat exchanger and air conditioner 有权
标题翻译：热交换器和空调
公开(公告)号：JP2014001882A
公开(公告)日：2014-01-09
申请号：JP2012137231
申请日：2012-06-18
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ISHIBASHI AKIRA , MATSUDA TAKUYA , RI SOUBU , OKAZAKI TAKASHI , MOCHIZUKI ATSUSHI
IPC分类号： F28F1/02 , F25B1/00 , F25B39/00 , F28F1/32
摘要： PROBLEM TO BE SOLVED: To provide a heat exchanger in which increase of pressure loss can be suppressed when one medium flow passage is constituted by flat tubes of two steps or more, and an air conditioner.SOLUTION: Flat tubes 2 are bent on an end side in axial direction. One medium flow passage is constituted by the flat tubes 2 of two steps or more. When the length of a refrigerant flow passage inside the flat tube 2 in short axis direction is A, and the length thereof in long axis direction is B, the relationship: 1.5≤A/B≤2.1 is satisfied.
摘要翻译：要解决的问题：提供一种热交换器，其中当一个介质流动通道由两个台阶以上的扁平管构成时，可以抑制压力损失的增加和空调。解决方案：扁平管2在一端弯曲侧轴向。一个中流量通道由两个台阶以上的扁平管2构成。在扁平管2的短轴方向的制冷剂流路的长度为A，长轴方向的长度为B的情况下，满足关系：1.5≤A/B≤2.1。

3. 发明专利

JP2013019596A Heat exchanger, indoor unit, and outdoor unit 有权
标题翻译：热交换器，室内单元和室外单元
公开(公告)号：JP2013019596A
公开(公告)日：2013-01-31
申请号：JP2011153215
申请日：2011-07-11
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： OKAZAKI TAKASHI
IPC分类号： F28F1/30 , F25B39/02 , F28F1/02 , F28F1/32
摘要： PROBLEM TO BE SOLVED: To provide a heat exchanger which can improve drainage of water condensed by a fan.SOLUTION: The heat exchanger includes: a plurality of flat tubes 1 of which a longitudinal direction is the vertical direction and which is arranged in parallel one another with intervals; a pair of headers which connect with both ends of the plurality of flat tubes 1, respectively; and a fin joined between the adjacent flat tubes 1. A waste channel 11 is formed along the longitudinal direction on a surface of the flat tube 1. The fin is inclined to slope from a windward side into a leeward side of air flow passing through the fin, and is arranged so that an end of the leeward side of a joint with the flat tube 1 comes into contact with an end of the windward side of the waste channel 11.
摘要翻译：要解决的问题：提供一种可以改善由风扇冷凝的水的排水的热交换器。解决方案：热交换器包括：多个扁平管1，其长度方向为垂直方向，并且间隔地彼此平行布置; 分别与多个扁平管1的两端连接的一对头部; 以及在相邻的扁平管1之间连接的翅片。在扁平管1的表面上沿着纵向方向形成废气通道11.翅片倾斜以从迎风侧倾斜到通过并且布置成使得与扁平管1的接头的背风侧的端部与废物通道11的迎风侧的端部接触。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012107862A Refrigeration cycle device 审中-公开
标题翻译：制冷循环装置
公开(公告)号：JP2012107862A
公开(公告)日：2012-06-07
申请号：JP2012045328
申请日：2012-03-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： OKAZAKI TAKASHI
IPC分类号： F25B1/10 , F25B1/00 , F25B1/04
摘要： PROBLEM TO BE SOLVED: To provide a refrigeration cycle device which can keep the inlet temperature of an expansion valve high to improve the unit efficiency of an expansion device, in the refrigeration cycle device configured to recover the power of the expansion device by coaxially connecting a compressor to the expansion device.SOLUTION: The refrigeration cycle device includes: a main refrigerant circuit 6 including a first compressor 1, a radiator 2, an expansion device 3a and an evaporator 4, which are successively connected through piping, and also including a second compressor 3b which is driven by power recovered by the expansion device 3a to receive and compress part of refrigerant flowing from the evaporator 4 to the first compressor 1; and a bypass circuit 7 bypassing the expansion device 3a and including an internal heat exchanger 5a and a flow control valve 12. The internal heat exchanger 5a performs heat exchange between high-pressure refrigerant which has entered the bypass circuit 7 flowing through the radiator 2 and a low-pressure two-phase refrigerant obtained after part of the refrigerant flowing through the either a radiator outlet or the internal heat exchanger outlet is depressed with the flow control valve 12.
摘要翻译：解决问题的方案为了提供一种致冷循环装置，该制冷循环装置能够将膨胀阀的入口温度保持在较高水平，以提高膨胀装置的单元效率，将压缩机同轴连接到膨胀装置。解决方案：制冷循环装置包括：主制冷剂回路6，其包括通过管道连续连接的第一压缩机1，散热器2，膨胀装置3a和蒸发器4，并且还包括第二压缩机3b，由膨胀装置3a回收的动力驱动，以将从蒸发器4流入的制冷剂的一部分接收并压缩到第一压缩机1; 以及旁通电路7，其旁通膨胀装置3a并且包括内部热交换器5a和流量控制阀12.内部热交换器5a对流入散热器2的旁通回路7的高压制冷剂进行热交换，在流过控制阀12的部分流过散热器出口或内部热交换器出口的制冷剂之间获得的低压两相制冷剂被压下。（C）2012，JPO＆INPIT

5. 发明专利

JP2012021679A Refrigerant distribution device, heat exchange device with the same, and air conditioning apparatus with the heat exchange device 审中-公开
标题翻译：制冷剂分配装置，具有该装置的热交换装置以及具有热交换装置的空调装置
公开(公告)号：JP2012021679A
公开(公告)日：2012-02-02
申请号：JP2010158530
申请日：2010-07-13
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： OKAZAKI TAKASHI
IPC分类号： F28F9/02 , F25B39/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigerant distribution device that can evenly distribute a refrigerant to each flow-out duct, and to provide a heat exchange device with the refrigerant distribution device, and an air conditioning apparatus with the heat exchange device.SOLUTION: The refrigerant distribution device includes: a vacuum packed column 1 therein; a filler 2 that diffuses a liquid coolant out of gas-liquid bi-phasic coolants outward from the center of a horizontal section of the vacuum packed column 1 as the liquid coolant flows downward in the vacuum packed column 1; an inflow tube 3 that is inserted from an upper surface of the vacuum packed column 1; the plurality of flow-out ducts 4 that are inserted from a side of the vacuum packed column 1 where the length of the inserted part is disposed to be shorter as a part goes downward in the vacuum packed column 1 and discharge the coolant in the vacuum packed column 1.
摘要翻译：解决的问题：提供一种制冷剂分配装置，其能够均匀地分配制冷剂到每个流出管道，并且提供具有制冷剂分配装置的热交换装置，以及具有热交换装置的空调装置。解决方案：制冷剂分配装置包括：真空填充柱1; 填料2，当液体冷却剂在真空填充塔1中向下流动时，将液体冷却剂从真空填充塔1的水平部分的中心向外扩散出气液两相冷却剂; 从真空填充柱1的上表面插入的流入管3; 在真空填充塔1中从插入部分的长度被设置为较短的一侧的真空填充塔1的一侧插入的多个流出管道4在真空填充塔1中向下并在真空中排出冷却剂（C）2012，JPO＆INPIT

6. 发明专利

JP2011163565A Air conditioning device 审中-公开
标题翻译：空调设备
公开(公告)号：JP2011163565A
公开(公告)日：2011-08-25
申请号：JP2008150480
申请日：2008-06-09
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： WAKAMOTO SHINICHI , YAMASHITA KOJI , MORIMOTO HIROYUKI , OKAZAKI TAKASHI
IPC分类号： F25B1/00 , C09K5/04
CPC分类号： C09K5/045 , C09K2205/126 , F25B9/006
摘要： PROBLEM TO BE SOLVED: To provide an air conditioning device capable of reducing flammability and greenhouse effect of a refrigerant, and preventing decrease in efficiency and increase in a size of a compressor. SOLUTION: In this air conditioning device constituted by connecting the compressor, a condenser, a pressure reducer and an evaporator to circulate a refrigerant therein, and filled with a mixed refrigerant prepared by mixing a first refrigerant having greenhouse effect smaller than R410A, and a second refrigerant having the greenhouse effect smaller than R410A and having a boiling point lower than the first refrigerant, the first refrigerant is preferably tetrafluoro-propylene, and the second refrigerant is preferably difluoromethane or fluoromethane. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够降低制冷剂的燃烧性和温室效应的空调装置，并且防止效率的降低和压缩机的尺寸的增加。解决方案：在通过将压缩机，冷凝器，减压器和蒸发器连接而构成的空调装置中，使制冷剂循环，并填充混合制冷剂，混合制冷剂通过混合温室效应小于R410A的第一制冷剂，温室效应小于R410A且沸点低于第一制冷剂的第二制冷剂，第一制冷剂优选为四氟丙烯，第二制冷剂优选为二氟甲烷或氟代甲烷。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2011127777A Heat pump device and operation method of the same 有权
标题翻译：热泵装置及其操作方法
公开(公告)号：JP2011127777A
公开(公告)日：2011-06-30
申请号：JP2009283771
申请日：2009-12-15
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： OKAZAKI TAKASHI
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To surely return oil to a compressor when a refrigerator oil floats on a liquid refrigerant inside an accumulator and to prevent the liquid refrigerant from returning to the compressor. SOLUTION: A heat pump device 100 includes oil returning circuits 21, 22, and 23 which are connected to the accumulator 5 at different height positions and have flow regulating valves V1, V2 and V3 midway. When density of the liquid refrigerant in the accumulator 5 is higher than that of the refrigerator oil, the flow regulating valve V1 is closed. The flow regulating valve V2 is opened temporarily and a temperature difference of a fluid, which flows through the oil returning circuit 22, on the inlet side and that on the outlet side of an internal heat exchanger 6 is measured, and according to the measured temperature difference, opening/closing of the flow regulating valves V2 and V3 is controlled. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：当冰箱油漂浮在蓄液器内的液体制冷剂上并防止液体制冷剂返回到压缩机时，确保将油返回到压缩机。解决方案：热泵装置100包括在不同高度位置连接到蓄能器5的回油回路21,22和23，并且在中途具有流量调节阀V1，V2和V3。当蓄能器5中的液体制冷剂的密度高于冷冻机油时，流量调节阀V1关闭。流量调节阀V2临时打开，并且测量流过返回回路22的流体在内部热交换器6的入口侧和出口侧的温度差，并且根据测量温度不同的是，控制流量调节阀V2和V3的打开/关闭。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2011058663A Refrigerating air-conditioning device 有权
标题翻译：制冷空气调节装置
公开(公告)号：JP2011058663A
公开(公告)日：2011-03-24
申请号：JP2009206589
申请日：2009-09-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ITO TAKUYA , SUMIDA YOSHIHIRO , OKAZAKI TAKASHI , SAITO MAKOTO , KATO HISAHIRA , FUKUI TAKASHI
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide a compact refrigerating air-conditioning device of high efficiency by preventing biasing of oil and increase of a unit size, even in a refrigerating air-conditioning device composed of refrigerating cycles using three or more compressors.
SOLUTION: One refrigerating device is composed of the plurality of refrigerating cycles 2 having: the plurality of compressors 3; one common heat source-side heat exchanger 4 to which a plurality of refrigerant circuits are connected; a plurality of pressure reducing devices 5; and one common load-side heat exchanger 6 to which the plurality of refrigerant circuits can be connected. Each refrigerating cycle configures one refrigerant circuit by annularly connecting the compressor, the heat source-side heat exchanger, the pressure reducing device and the load-side heat exchanger. The plurality of refrigerating devices composed of the plurality of refrigerating cycles independent by each compressor are included, flow channels of heat source-side heat medium are connected in series to the heat source-side heat exchangers of the plurality of refrigerating devices, and flow channels of load-side heat medium are connected in series to the load-side heat exchangers of the plurality of refrigerating devices.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在使用三台以上的压缩机的制冷循环的制冷空调装置中，也能够通过防止油的偏压和单位尺寸的增加来提供高效率的紧凑型制冷空调装置。解决方案：一个制冷装置由多个制冷循环2组成，具有：多个压缩机3; 连接有多个制冷剂回路的一个共用的热源侧热交换器4; 多个减压装置5; 以及可以连接多个制冷剂回路的一个公共负载侧热交换器6。每个制冷循环通过环形连接压缩机，热源侧热交换器，减压装置和负载侧热交换器来构成一个制冷剂回路。包括由各个压缩机独立的多个制冷循环构成的多个制冷装置，热源侧热介质的流路与多个制冷装置的热源侧热交换器串联连接，流路负载侧热介质与多个制冷装置的负载侧热交换器串联连接。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010249346A Showcase 审中-公开
标题翻译： SHOWCASE
公开(公告)号：JP2010249346A
公开(公告)日：2010-11-04
申请号：JP2009096815
申请日：2009-04-13
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ISHIKAWA TOMOTAKA , OKAZAKI TAKASHI
IPC分类号： F25D11/00
摘要： PROBLEM TO BE SOLVED: To provide a showcase accurately and efficiently controlling a temperature of displayed commodity even if there is a thermal influence due to increase and decrease of commodity from other than a surrounding in commodity displaying or the like.
SOLUTION: In the showcase A, a refrigerant circuit is composed by connecting a compressor 1, a radiator 2, a throttling device 3, and an evaporator 4 by piping, and it is equipped with a storage chamber 10 carrying out cooling by using heat absorption in the evaporator. It is composed by equipping a quick cooling switch 22 issuing a command of increasing a rotational frequency of the compressor, a weak cooling switch 23 issuing a command of reducing the rotational frequency of the compressor, and a controller 6 increasing a compressor capacity for a certain time by increasing the rotational frequency of the compressor based on the command of increasing the rotational frequency of the compressor from the quick cooling switch, and reducing the compressor capacity for a certain time by reducing the rotational frequency of the compressor based on the command of reducing the rotational frequency of the compressor from the weak cooling switch.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使由于商品显示等中的周边以外的商品的增加和减少而产生热影响，也能准确有效地控制显示商品的温度。解决方案：在陈列柜A中，制冷剂回路是通过管道连接压缩机1，散热器2，节流装置3和蒸发器4构成的，并且配备有通过以下方式进行冷却的储藏室10 在蒸发器中使用吸热。它装备有一个快速冷却开关22，该快速冷却开关22发出增加压缩机转速的指令，一个弱冷却开关23发出一个降低压缩机转速的指令，以及一个控制器6，增加一个压缩机的容量基于从快速冷却开关增加压缩机的旋转频率的指令来增加压缩机的旋转频率，并且通过基于减少的指令降低压缩机的转速来降低压缩机容量一段时间压缩机从弱冷却开关的转速。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010164257A Refrigerating cycle device and method of controlling the refrigerating cycle device 审中-公开
标题翻译：制冷循环装置及控制制冷循环装置的方法
公开(公告)号：JP2010164257A
公开(公告)日：2010-07-29
申请号：JP2009007593
申请日：2009-01-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： TAKENAKA NAOFUMI , AOKI MASANORI , OKAZAKI TAKASHI , TAKAHASHI YOSHIHIRO , TAKAHASHI KENGO , OKADA KAZUKI , UCHINO SHINICHI , NOMOTO SO , WAKAMOTO SHINICHI
IPC分类号： F25B47/02 , F25B1/00 , F25B30/02 , F25B40/00 , F25B43/00
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating cycle device improving average capacity and an average COP to save energy by reducing a change range between refrigerant distribution during normal operation and refrigerant distribution during defrosting operation within a refrigerating cycle. SOLUTION: The refrigerating cycle device 100 includes a control device 20 for executing defrosting operation by closing a first expansion valve 3 and a second expansion valve 5 and controlling an opening of a bypass expansion valve 8 in accordance with superheating degree (SH) of a refrigerant sucked to a compressor 1 or a superheating degree (SH) of a refrigerant discharged from the compressor 1. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过减少正常运行期间的制冷剂分配与制冷循环中的除霜运转期间的制冷剂分配之间的变化范围来提高平均容量和平均COP来节省能量的制冷循环装置。解决方案：制冷循环装置100包括用于通过关闭第一膨胀阀3和第二膨胀阀5并根据过热度（SH）控制旁通膨胀阀8的开度来执行除霜操作的控制装置20，吸入压缩机1的制冷剂或从压缩机1排出的制冷剂的过热度（SH）。版权所有（C）2010，JPO＆INPIT

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