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1. 发明专利

JP2013108654A Refrigerating apparatus 审中-公开
标题翻译：制冷设备
公开(公告)号：JP2013108654A
公开(公告)日：2013-06-06
申请号：JP2011253058
申请日：2011-11-18
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： KAWAKUBO KEN , TADANO MASAYA , KOYAMA KIYOSHI , KOBAYASHI TAKAHIRO , MIHARA KAZUHIKO , NISHIKAWA HIROSHI
IPC分类号： F25B1/00 , F04B49/06 , F04B49/10 , F04C28/28 , F04C29/02 , F25B43/02 , F25B49/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating apparatus capable of achieving suitable oil quantity control.SOLUTION: The refrigerating apparatus 1 includes a cooling medium circuit 10 for performing refrigeration cycle operations using carbon dioxide as a cooling medium. The cooling medium circuit 10 includes: a compressor 11 having oil stored in a case 12 and discharging the cooling medium with the oil to a high-pressure ejection pipe 21; an oil separator 22 arranged in the high-pressure ejection pipe 21; and an oil returning pipe 28 for returning the oil into the case 12, the oil having been separated by means of the oil separator 22. The apparatus also includes: an oil level sensor 31 for detecting an oil level in the compressor 11; and a display panel 51 for displaying a state of the oil level in the compressor 11 on the basis of detection signals obtained from the oil level sensor 31.
摘要翻译：解决的问题：提供能够实现适当的油量控制的制冷装置。解决方案：制冷装置1包括用于使用二氧化碳作为冷却介质进行制冷循环操作的冷却介质回路10。冷却介质回路10包括：压缩机11，其具有储存在壳体12中的油，并将具有油的冷却介质排出到高压喷射管21; 布置在高压喷射管21中的油分离器22; 以及用于将油返回壳体12的回油管28，油通过分油器22分离。该设备还包括：油位传感器31，用于检测压缩机11中的油位; 以及用于基于从油位传感器31获得的检测信号显示压缩机11中的油位的状态的显示面板51.（C）2013，JPO＆INPIT

2. 发明专利

JP2012117733A Refrigeration equipment 有权
标题翻译：制冷设备
公开(公告)号：JP2012117733A
公开(公告)日：2012-06-21
申请号：JP2010267169
申请日：2010-11-30
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MIHARA KAZUHIKO , MUKOYAMA HIROSHI , SATO KOJI , SEKINE SHINJI , IRISAWA HIROYUKI , KOSHIBA MASARU
IPC分类号： F25B49/02 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To provide refrigeration equipment which can quickly, easily and exactly detect the leakage of a refrigerant.SOLUTION: In the refrigeration equipment R in which a refrigerant circuit 1 is constituted of a compressor 11, a condenser 12, a receiver tank 30, expansion valves 17A, 17B, and evaporators 15A, 15B, the refrigeration equipment includes a control means for detecting the leakage of the refrigerant from the refrigerant circuit 1. The control means executes a pump-down operation for recovering the refrigerant into the receiver tank 30, divides the refrigerant circuit 1 into a plurality of regions, calculates the density of the refrigerant in the corresponding region from a temperature and pressure in the region which is necessary for detecting the leakage of the refrigerant, calculates a refrigerant amount by multiplying a capacity of the corresponding region by the density of the refrigerant, and determines the leakage of the refrigerant from the refrigerant circuit 1 on the basis of the calculated refrigerant amount.
摘要翻译：要解决的问题：提供可以快速，容易且精确地检测制冷剂泄漏的制冷设备。解决方案：在制冷剂回路1由压缩机11，冷凝器12，接收罐30，膨胀阀17A，17B和蒸发器15A，15B构成的制冷装置R中，制冷装置包括控制装置用于检测来自制冷剂回路1的制冷剂泄漏的装置。控制装置执行用于将制冷剂回收到接收罐30中的抽空操作，将制冷剂回路1分成多个区域，计算制冷剂的密度在从检测制冷剂泄漏所必需的区域的温度和压力的相应区域中，通过将相应区域的容积乘以制冷剂的密度来计算制冷剂量，并且确定制冷剂的泄漏基于计算出的制冷剂量的制冷剂回路1。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012117715A Refrigeration equipment 有权
标题翻译：制冷设备
公开(公告)号：JP2012117715A
公开(公告)日：2012-06-21
申请号：JP2010266322
申请日：2010-11-30
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MIHARA KAZUHIKO , KURATA YUSUKE , KIKUCHI SHINPEI , IZAWA YUICHI , KIYA TOYOAKI
IPC分类号： F25B49/02 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To properly manage a refrigerant amount in a refrigerant circuit, in refrigeration equipment in which a high-pressure side is brought into supercritical pressure.SOLUTION: In the refrigeration equipment R, a refrigerant flowing out of a gas cooler 46 is branched to two flows, the first refrigerant flow is made to flow to a first passage of an intermediate heat exchanger 80 via an auxiliary throttling means 83, the second refrigerant flow is made to flow to a second passage of the intermediate heat exchanger, the first refrigerant flow and the second refrigerant flow are heat-exchanged by the intermediate heat exchanger by making the second refrigerant flow flow to an evaporator 63A via a main throttling means 62A after making the second refrigerant flow flow to a second passage of the intermediate heat exchanger, a refrigerant flowing out of the evaporator is sucked into a low-pressure part of a compressor 11, the first refrigerant flow flowing out of the intermediate heat exchanger is sucked into an intermediate-pressure part of the compressor 11, and the high-pressure side is brought into the supercritical pressure. A refrigerator unit controller 194 determines the refrigerant amount in the refrigerant circuit 1 for refrigeration according to a cooling effect of the second refrigerant flow generated by the first refrigerant flow in the intermediate heat exchanger.
摘要翻译：要解决的问题：在高压侧成为超临界压力的制冷设备中，适当地管理制冷剂回路中的制冷剂量。解决方案：在制冷设备R中，从气体冷却器46流出的制冷剂分支成两个流，使第一制冷剂流经由辅助节流装置83流到中间热交换器80的第一通道使第二制冷剂流动流向中间热交换器的第二通道，第一制冷剂流和第二制冷剂流通过中间热交换器通过使第二制冷剂流经蒸发器63A经由主节流装置62A在使第二制冷剂流入中间热交换器的第二通道之后，从蒸发器流出的制冷剂被吸入压缩机11的低压部分，从中间体流出的第一制冷剂流热交换器被吸入压缩机11的中压部分，高压侧成为超临界压力。冰箱单元控制器194根据在中间热交换器中由第一制冷剂流产生的第二制冷剂流的冷却效果来确定用于制冷的制冷剂回路1中的制冷剂量。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012117713A Refrigeration equipment 有权
标题翻译：制冷设备
公开(公告)号：JP2012117713A
公开(公告)日：2012-06-21
申请号：JP2010266311
申请日：2010-11-30
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MIHARA KAZUHIKO , KURATA YUSUKE , KIKUCHI SHINPEI , IZAWA YUICHI , KIYA TOYOAKI
IPC分类号： F25B49/02 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To properly manage a refrigerant amount in a refrigerant circuit, in refrigeration equipment in which a high-pressure side is brought into supercritical pressure.SOLUTION: In the refrigeration equipment R in which the refrigerant circuit 1 for refrigeration is constituted of a compressor 11, a gas cooler 46, a main throttling means 62A and an evaporator 63A, the high-pressure side is brought into supercritical pressure. The refrigeration equipment also includes an air blower 47 for the gas cooler which air-cools the gas cooler, and a refrigerator unit controller 194 which controls the air blower. In a state that a proper amount of a refrigerant is sealed into the refrigerant circuit for refrigeration, the controller 194 possesses data related to a relationship between the number of revolutions of the air blower for the gas cooler and an outside-air temperature in which the pressure at the high-pressure side of the refrigerant circuit becomes a target value, controls the number of revolutions of the air blower for the gas cooler on the basis of the outside-air temperature, and determines the refrigerant amount in the refrigerant circuit on the basis of the pressure at the high-pressure side of the refrigerant circuit for refrigeration.
摘要翻译：要解决的问题：在高压侧成为超临界压力的制冷设备中，适当地管理制冷剂回路中的制冷剂量。解决方案：在制冷用制冷剂回路1由压缩机11，气体冷却器46，主节流装置62A和蒸发器63A构成的制冷装置R中，使高压侧成为超临界压力。制冷装置还包括用于气体冷却器的空气冷却器的空气鼓风机47，以及控制鼓风机的冰箱单元控制器194。在适当量的制冷剂被密封到用于制冷的制冷剂回路中的状态下，控制器194具有与气体冷却器的鼓风机的转数和外部空气温度之间的关系的数据，在制冷剂回路的高压侧的压力成为目标值，根据外部空气温度来控制气体冷却器的鼓风机的转数，并且确定制冷剂回路中的制冷剂量在制冷用制冷剂回路的高压侧的压力的基础。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011208881A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2011208881A
公开(公告)日：2011-10-20
申请号：JP2010077355
申请日：2010-03-30
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： SATO KOJI , MIHARA KAZUHIKO , KURATA YUSUKE
IPC分类号： F25B49/02 , F24F11/02
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating device capable of quickly, easily and surely detecting refrigerant leakage.SOLUTION: This refrigerating device includes an inside temperature sensor 23 detecting a temperature in a storage compartment, an outside air temperature sensor 21 detecting an outside air temperature, an indoor temperature sensor 27 detecting a temperature in a shop in which a showcase is installed, and a control means controlling an operation of a compressor 2. The control means holds a pull-down speed data relating to a pull-down speed of the temperature in the storage compartment in advance in association with the outside air temperature and the shop temperature, compares the pull-down speed data at the present outside air temperature and shop temperature obtained from outputs of the outside air temperature sensor and the indoor temperature sensor, with the present pull-down speed obtained from the output of the inside temperature sensor, and determines the refrigerant leakage from a refrigerant circuit when the present pull-down speed is lower than the pull-down speed data.
摘要翻译：要解决的问题：提供能够快速，容易且可靠地检测制冷剂泄漏的制冷装置。解决方案：该制冷装置包括检测储藏室内的温度的内部温度传感器23，检测外部空气的外部空气温度传感器21 温度检测室内温度传感器27以及控制装置的操作的控制装置的控制装置。控制装置保持与下降速度有关的下拉速度数据与外部空气温度和车间温度相关联地预先存储室内的温度，比较从外部空气温度传感器和室内温度传感器的输出获得的当前外部空气温度和车间温度的下拉速度数据具有从内部温度传感器的输出获得的当前下拉速度，并且确定re 当下拉速度低于下拉速度数据时，来自制冷剂回路的腐蚀性泄漏。

6. 发明专利

JP2011158218A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2011158218A
公开(公告)日：2011-08-18
申请号：JP2010021921
申请日：2010-02-03
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MIHARA KAZUHIKO , SASAKI HIDETAKA , HASEGAWA SETSU , KAWAKUBO KEN , OTAKE MASAHISA
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To accurately sense an oil level by a float even during use under high pressure. SOLUTION: In this refrigerating device R, a refrigerant circuit 1 comprises a compressor 11, a gas cooler 46, electric expansion valves 62A, 62B and evaporators 63A, 63B, and the high pressure side becomes supercritical pressure. The refrigerating device R includes a float switch 31 for sensing the oil level of the compressor 11. The float switch 31 includes: the float 34 having predetermined strength and filled inside; upper limit and lower limit level switches 50, 51 detecting the vertical movement of the float 34; and a spring 59 adjusting the buoyancy force of the float 34. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在高压下使用时也能通过浮子精确地感测油位。解决方案：在该制冷装置R中，制冷剂回路1包括压缩机11，气体冷却器46，电动膨胀阀62A，62B和蒸发器63A，63B，高压侧变为超临界压力。制冷装置R包括用于检测压缩机11的油位的浮子开关31.浮子开关31包括：具有预定强度并填充在内部的浮子34; 检测浮子34的垂直移动的上限和下限液位开关50,51; 以及调整浮子34的浮力的弹簧59。版权所有：（C）2011，JPO＆INPIT

7. 发明专利

JP2011137557A Refrigerating apparatus 有权
标题翻译：制冷设备
公开(公告)号：JP2011137557A
公开(公告)日：2011-07-14
申请号：JP2009295762
申请日：2009-12-25
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MIHARA KAZUHIKO , SASAKI HIDETAKA , HASEGAWA SETSU , KAWAKUBO KEN , OTAKE MASAHISA
IPC分类号： F25B47/02 , F25B1/00
CPC分类号： F25B2309/061
摘要： PROBLEM TO BE SOLVED: To provide a refrigerating apparatus capable of smoothly defrosting each evaporator without using a special heating means and a complicated piping constitution. SOLUTION: This refrigerating apparatus R obtaining a supercritical pressure on a high-pressure side, includes a communication pipe 64A communicating an outlet side of one evaporator 63A and an inlet side of a reducing means 62B corresponding to the other evaporator 63B, a flow channel control means for controlling whether a refrigerant from the evaporator 63A is allowed to flow to the communication pipe 64A or to return to the compressor 11, and a control device C for controlling them. In defrosting the evaporator 63A, the main reducing means 62A corresponding to the evaporator is fully opened, and the refrigerant from the evaporator 63A is allowed to flow to the communication pipe 64A. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在不使用特殊加热装置的情况下平滑地对每个蒸发器进行除霜的制冷装置和复杂的管道结构。解决方案：在高压侧获得超临界压力的制冷装置R包括连通一个蒸发器63A的出口侧和与另一个蒸发器63B对应的还原装置62B的入口侧的连通管64A，用于控制来自蒸发器63A的制冷剂是否允许流向连通管64A或返回到压缩机11的流路控制装置，以及用于控制它们的控制装置C. 在对蒸发器63A进行除霜时，对应于蒸发器的主减速装置62A完全打开，并且允许来自蒸发器63A的制冷剂流到连通管64A。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2011133207A Refrigerating apparatus 有权
标题翻译：制冷设备
公开(公告)号：JP2011133207A
公开(公告)日：2011-07-07
申请号：JP2009295735
申请日：2009-12-25
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MIHARA KAZUHIKO , SASAKI HIDETAKA , HASEGAWA SETSU , KAWAKUBO KEN , OTAKE MASAHISA
IPC分类号： F25B1/10 , F25B1/00
摘要： PROBLEM TO BE SOLVED: To properly achieve effect of split-cycle by obtaining an appropriate medium pressure of a refrigerant circuit of a refrigerating apparatus, thus performance of a refrigerating apparatus is improved. SOLUTION: In this refrigerating apparatus R including a so-called split cycle device, a control device C operates a first controlled variable obtained from a temperature DT of a refrigerant discharged from a compressor 11, a second controlled variable obtained from an over compression determination value MPO obtained from a pressure MP of a medium pressure region and a low pressure side pressure LP of the refrigerant circuit, and a high pressure-side pressure HP, and a third controlled variable obtained from the difference between a temperature GCT of the refrigerant passing through the gas cooler and a temperature LT of a second refrigerant flow through an intermediate heat exchanger, and a manipulated variable of a valve opening of an auxiliary expansion valve 83 is determined by totalizing these controlled variables. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了通过获得制冷装置的制冷剂回路的适当介质压力来适当地实现分流循环的效果，从而提高了制冷装置的性能。解决方案：在包括所谓的分离循环装置的制冷装置R中，控制装置C操作从压缩机11排出的制冷剂的温度DT获得的第一受控变量，从过压从制冷剂回路的中压区域和低压侧压力LP的压力MP和高压侧压力HP得到的压缩判定值MPO，以及从压力判定值MPO的温度GCT 通过气体冷却器的制冷剂和通过中间热交换器的第二制冷剂的温度LT和辅助膨胀阀83的阀开度的操作变量由这些控制变量的总和来确定。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2009041904A Supercooling device 审中-公开
标题翻译：超级设备
公开(公告)号：JP2009041904A
公开(公告)日：2009-02-26
申请号：JP2008249967
申请日：2008-09-29
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： SASAKI HIDETAKA , TABEI SATOSHI , MIHARA KAZUHIKO , YOSHIDA KAZUYOSHI , IRISAWA HIROYUKI
IPC分类号： F25B1/00
摘要： PROBLEM TO BE SOLVED: To maintain refrigerating capacity even when a device is replaced with a refrigerating device for an HFC-based refrigerant in an existing indoor facility and indoor piping designed for an HCFC-based refrigerant, to prevent the degradation of operating efficiency due to the increase of a pressure loss by suppressing the increase of a flow rate of the refrigerant, and to stably operate the indoor facility by keeping constant the temperature of the refrigerant flowing through the indoor facility.
SOLUTION: The predetermined refrigerant temperature of a liquid refrigerant that can supply the refrigerating capacity required by the indoor facility of a main refrigerating cycle 1 is set, and the refrigerating capacity of a compressor 300 of an auxiliary refrigerating cycle 3 is reduced when the refrigerant temperature is lower than the predetermined refrigerant temperature so that the refrigerant temperature of a main refrigerating cycle side outlet of a supercooling heat exchanger 305 is the same as the predetermined refrigerant temperature. The indoor facility can thereby be supplied with stable refrigerating capacity.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在现有的室内设备中的用于HFC类制冷剂的制冷装置和用于基于HCFC的制冷剂设计的室内配管的装置被更换的情况下，为了保持制冷能力，以防止操作的劣化由于通过抑制制冷剂的流量的增加而导致的压力损失的增加而导致的效率，并且通过保持流过室内设备的制冷剂的温度恒定地稳定地操作室内设备。解决方案：设定能够提供主制冷循环1的室内设备所需的制冷能力的液体制冷剂的预定制冷剂温度，并且当辅助制冷循环3的压缩机300的制冷能力降低时制冷剂温度低于预定的制冷剂温度，使得过冷却热交换器305的主制冷循环侧出口的制冷剂温度与预定的制冷剂温度相同。因此，可以提供室内设备的稳定的制冷能力。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008164288A Refrigerating device 审中-公开
标题翻译：制冷装置
公开(公告)号：JP2008164288A
公开(公告)日：2008-07-17
申请号：JP2008086109
申请日：2008-03-28
申请人： Sanyo Electric Co Ltd , 三洋電機株式会社
发明人： MIHARA KAZUHIKO
IPC分类号： F25B1/00 , F25B40/00
CPC分类号： F25B2400/13 , F25B2400/23
摘要： PROBLEM TO BE SOLVED: To solve problems in a refrigerating device using such a refrigerant that the refrigerant discharged from a compressor is in a supercritical state, that the charging amount of the refrigerant must be increased in quick cooling as a refrigerating capacity runs short, on the other hand, a large amount of excess refrigerant is generated in a refrigerant circuit and a pressure at high pressure side is increased when the refrigerating device is sufficiently cooled.
SOLUTION: In the refrigerant circuit constituted by successively circularly connecting a compressor, a gas cooler, a first pressure reducing device and an evaporator by piping, a second pressure reducing device and a liquid receiver are disposed between the gas cooler and the first pressure reducing device, a liquid-side of the liquid receiver is connected to a suction port of the compressor by piping through the evaporator, and a gas-side of the liquid receiver is connected to an intermediate pressure portion of the compressor in parallel with the first pressure reducing device and the evaporator by piping to lower a pressure at high-pressure side.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题的方案为了解决使用从压缩机排出的制冷剂处于超临界状态的制冷剂的制冷装置的问题，在制冷量运行时必须在快速冷却中增加制冷剂的装入量另一方面，当制冷装置充分冷却时，在制冷剂回路中产生大量过剩的制冷剂，并且在高压侧的压力增加。解决方案：在通过连续地连接压缩机，气体冷却器，第一减压装置和通过管道的蒸发器构成的制冷剂回路中，第二减压装置和液体接收器设置在气体冷却器和第一减压装置，液体接收器的液体侧通过蒸发器的管道连接到压缩机的吸入口，并且液体接收器的气体侧与压缩机的中间压力部分并联连接第一减压装置和蒸发器通过管道降低高压侧的压力。版权所有（C）2008，JPO＆INPIT

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