公开(公告)号：JP2009085476A

公开(公告)日：2009-04-23

申请号：JP2007254033

申请日：2007-09-28

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： FUJITAKA AKIRA ,  NAKATANI KAZUO ,  OKAZA NORIHO ,  ISAYAMA YASUHIKO ,  YAMAOKA YOSHIKI

IPC: F24H1/18 ,  F24H1/00

Abstract: PROBLEM TO BE SOLVED: To perform a heat pump hot water supply operation of high energy efficiency by preventing a rise of a water temperature at a lower portion of a hot water storage tank. SOLUTION: This heat pump water heater comprises a refrigerant circuit constituted by successively connecting a heat exchanger 32 for hot water supply, a pressure reducing means 33 and an evaporator 34, a hot water supply circuit for circulating the water from the lower portion of the hot water storage tank 31 to an upper portion of the hot water storage tank 41 while passing through the heat exchanger 32 for hot water supply and a three-way valve 44 through a circulation pump 43, and a bypass circuit 47 connecting the three-way valve 44 and the lower portion of the hot water storage tank 41, and the three-way valve 44 is controlled to make the heat exchanger 32 for hot water supply communicate with the lower portion of the hot water storage tank 41 at the stop of the circulation pump 43 or a low flow-rate operation by the circulation pump 43, and thus the back-flow of the hot water of high-temperature at the upper portion of the hot water storage tank 41 and the rise of the water temperature at the lower portion of the hot water storage tank 41 are prevented, and the hot water supply operation of high energy efficiency can be performed. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：通过防止热水储罐的下部的水温升高来进行高能量的热泵供热运行。 解决方案：该热泵热水器包括由热水供应用热交换器32连续地连接的制冷剂回路，减压装置33和蒸发器34，将来自下部的水循环的热水供给回路 在通过热水供给用热交换器32和通过循环泵43的三通阀44的同时，将热水储存箱31的上部设置到热水储存箱41的上部，以及连接三个 控制热水储存箱41的下部，并且控制三通阀44，使得热水供给用热交换器32在停止时与蓄热水箱41的下部连通 循环泵43的低流量运转或热水储存箱41的上部的高温热水的回流以及水的升高 能够防止热水储存箱41的下部的温度变化，能够实现高能效的热水供给动作。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2009062471A

公开(公告)日：2009-03-26

申请号：JP2007232338

申请日：2007-09-07

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： OKAZA NORIHO ,  YAMAOKA YOSHIKI ,  FUJITAKA AKIRA ,  NAKATANI KAZUO

IPC: C09K5/04 ,  F24D3/00 ,  F24D11/00 ,  F24D11/02 ,  F25B1/00 ,  F25B30/02

CPC classification number: Y02B30/126

Abstract: PROBLEM TO BE SOLVED: To prevent lowering of the coefficient of performance and lowering of the operation efficiency of a refrigerating cycle device when a fluid to be heated having a middle temperature of about ≥31°C is heated to a high temperature. SOLUTION: A mixed working fluid contains carbon dioxide and difluoromethane, wherein the content of the carbon dioxide is substantially ≥80 wt.%. The refrigerating cycle device uses the mixed working fluid and is equipped with a compressor 11, a radiator 12, a pressure reducer 13 and an evaporator 14. The lowering of the coefficient of performance can be suppressed by the characteristics of the mixed working fluid when a fluid having a middle temperature is heated to a high temperature. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题为了防止当具有中温为大于等于31℃的待加热流体被加热到高温时，降低制冷循环装置的性能系数和降低操作效率。 解决方案：混合工作流体含有二氧化碳和二氟甲烷，其中二氧化碳的含量基本上≥80重量％。 冷冻循环装置使用混合工作流体，并配备有压缩机11，散热器12，减压器13和蒸发器14.通过混合工作流体的特性可以抑制性能系数的降低，当 具有中温的流体被加热到高温。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2011163641A

公开(公告)日：2011-08-25

申请号：JP2010026197

申请日：2010-02-09

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： ISAYAMA YASUHIKO ,  AOYAMA SHIGEO ,  MORIWAKI SHUNJI ,  OKAZA NORIHO

IPC: F25B1/00 ,  F24D3/00 ,  F24F5/00

Abstract: PROBLEM TO BE SOLVED: To provide a refrigerating cycle device improved in the reliability of a compressor even when the heating operation is started in a condition with a low outside temperature and a low heating medium temperature. SOLUTION: The refrigerating cycle device includes the compressor 21, a refrigerant circuit 2 consisting of a refrigerant side passage 22a etc. of a condenser 22, a heating medium side passage 22b of the condenser 22, and a heating medium circuit 7 consisting of an auxiliary heating means 73 etc. Upon starting the heating operation with both of the compressor 21 and auxiliary heating means 73 stopped, the operation of auxiliary heating means 73 is started first, and then the operation of compressor 21 is started. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：即使在外部温度低和加热介质温度低的条件下开始加热操作时，也可提供提高压缩机的可靠性的制冷循环装置。 解决方案：制冷循环装置包括压缩机21，由冷凝器22的制冷剂侧通道22a等组成的制冷剂回路2，冷凝器22的加热介质侧通道22b和加热介质回路7， 辅助加热装置73等。当压缩机21和辅助加热装置73都停止加热操作时，首先启动辅助加热装置73的操作，然后开始压缩机21的运转。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011099626A

公开(公告)日：2011-05-19

申请号：JP2009254675

申请日：2009-11-06

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： MORIWAKI SHUNJI ,  AOYAMA SHIGEO ,  OKAZA NORIHO ,  ISAYAMA YASUHIKO

IPC: F25B1/00 ,  F24D3/00

Abstract: PROBLEM TO BE SOLVED: To provide a refrigerating cycle device and a hot water heating device improving heating capacity by quickly controlling them to a proper refrigerating cycle state.
SOLUTION: The refrigerating cycle device includes: a bypass passage 3 branched between a supercooling heat exchanger 23 and a main expansion means 24 and connected between an evaporator 25 and a compressor 21 through the supercooling heat exchanger 23; a bypass expansion means 31 provided at an upstream side of the supercooling heat exchanger 23 in the bypass passage 3; a first temperature sensor 61 detecting the temperature of a refrigerant discharged from the compressor 21; a second temperature sensor 62 detecting the temperature of the refrigerant flowing out of the supercooling heat exchanger 23 in the bypass passage 3; and a control device 4. The refrigerating cycle device regulates the amount of the refrigerant flowing through the main expansion means 24 based on the temperature detected by the first temperature sensor 61 and the degree of super heat at the outlet of the bypass passage 3 calculated from the temperature detected by the second temperature sensor 62.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种制冷循环装置和热水加热装置，通过快速控制它们到适当的制冷循环状态来提高加热能力。 解决方案：制冷循环装置包括：在过冷却热交换器23和主膨胀装置24之间分支并通过过冷却热交换器23连接在蒸发器25和压缩机21之间的旁通通道3; 设置在旁通通路3内的过冷却热交换器23的上游侧的旁通用膨胀机构31; 检测从压缩机21排出的制冷剂的温度的第一温度传感器61; 第二温度传感器62，检测从旁路通路3内的过冷却热交换器23流出的制冷剂的温度; 以及控制装置4.制冷循环装置基于由第一温度传感器61检测到的温度和旁路通路3的出口处的超热程度来调节流经主膨胀装置24的制冷剂的量， 由第二温度传感器62检测的温度。版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011080634A

公开(公告)日：2011-04-21

申请号：JP2009231660

申请日：2009-10-05

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： AOYAMA SHIGEO ,  MORIWAKI SHUNJI ,  OKAZA NORIHO ,  ISAYAMA YASUHIKO

IPC: F25B1/00

CPC classification number: F25B40/02 ,  F25B13/00 ,  F25B2339/047 ,  F25B2400/13 ,  F25B2600/2509 ,  F25B2700/2101 ,  F25B2700/2103

Abstract: PROBLEM TO BE SOLVED: To provide a refrigerating cycle device, and a hot-water heating device using the same, capable of performing an operation of high efficiency in a high heating load operation such as a heating operation at a low outside air temperature.
SOLUTION: This refrigerating cycle device 1 includes a refrigerant circuit 2 provided with a condenser 22 and a supercooling heat exchanger 23, and a bypass passage 3 passing through the supercooling heat exchanger 23. In the bypass passage 3, dryness of the refrigerant flowing out form the supercooling heat exchanger 23 is adjusted. A ratio of a heat exchanging amount between the refrigerant decompressed by the supercooling heat exchanger 23 in the bypass passage 3 and the refrigerant passing through the refrigerant circuit 2 to a heat exchanging amount between the refrigerant flowing into the condenser 22 and a heated fluid in the condenser 22 is kept within a prescribed range by properly configuring the supercooling heat exchanger 23 even in the operation with the adjustment of dryness. As a result, the supercooling effect of the supercooling heat exchanger 23 can be secured.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种制冷循环装置和使用该制冷循环装置的热水加热装置，能够在诸如在低外部空气下的加热操作的高加热负载操作中执行高效率的操作 温度。 解决方案：该制冷循环装置1包括设置有冷凝器22和过冷却热交换器23的制冷剂回路2和通过过冷却热交换器23的旁通通路3.在旁通通路3中，制冷剂 调整从过冷却热交换器23流出。 由旁通通路3中的过冷却热交换器23减压的制冷剂与通过制冷剂回路2的制冷剂之间的热交换量与流入冷凝器22的制冷剂的热交换量和 通过适当地配置过冷却热交换器23，即使在干燥度的调节中也能将冷凝器22保持在规定的范围内。 结果，能够确保过冷却热交换器23的过冷却效果。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011080633A

公开(公告)日：2011-04-21

申请号：JP2009231659

申请日：2009-10-05

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： MORIWAKI SHUNJI ,  AOYAMA SHIGEO ,  OKAZA NORIHO ,  ISAYAMA YASUHIKO

IPC: F25B1/00 ,  F25B40/00

CPC classification number: F25B40/02 ,  F25B13/00 ,  F25B2339/047 ,  F25B2400/13 ,  F25B2500/08 ,  F25B2500/31 ,  F25B2600/2509 ,  F25B2700/2101 ,  F25B2700/2103

Abstract: PROBLEM TO BE SOLVED: To provide a refrigerating cycle device capable of maximizing enthalpy increasing effect in an evaporator and pressure loss reducing effect of a low pressure-side refrigerant passage, and achieving a sufficient heating capacity at a low outside air temperature. SOLUTION: This refrigerating cycle device 1A includes a refrigerant circuit 2 provided with a supercooling heat exchanger 23, a bypass passage 3 bypassing the supercooling heat exchanger 23, and a control device 4 controlling a main expanding means 24 in the refrigerant circuit 2 and a bypass expanding means 31 in the bypass passage 3. The bypass expanding means 31 is controlled so that a bypass-side outlet temperature reaches a saturation temperature under a pressure of the refrigerant sucked to a compressor 21, and a degree of superheat at an outlet of the evaporator 25, calculated on the basis of the evaporator outlet temperature keeps a predetermined prescribed degree of superheat or less. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够使蒸发器中的焓增加效果最大化并且低压侧制冷剂通道的压力损失降低效果的制冷循环装置，并且在低的外部空气温度下实现足够的加热能力。 解决方案：该制冷循环装置1A包括设置有过冷却热交换器23的制冷剂回路2，旁通过冷却热交换器23的旁通通路3和控制制冷剂回路2中的主膨胀机构24的控制装置4 旁通通道3中的旁通膨胀装置31.旁通膨胀装置31被控制成旁路侧出口温度在吸入压缩机21的制冷剂的压力下达到饱和温度， 基于蒸发器出口温度计算的蒸发器25的出口保持预定的规定的过热度或更小。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010151329A

公开(公告)日：2010-07-08

申请号：JP2008326937

申请日：2008-12-24

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： TAKATANI TAKAYUKI ,  OKAZA NORIHO ,  NAKATANI KAZUO ,  SAWADA TAKASHI ,  OHAMA MASAHIRO ,  NISHIYAMA YOSHIO ,  ISAYAMA YASUHIKO ,  YAMAOKA YOSHIKI

IPC: F24H1/00 ,  F24H1/18

Abstract: PROBLEM TO BE SOLVED: To provide a storage type hot water supply apparatus improving the efficiency of a heat pump and the heat storage amount of a hot water storage tank in the storage type hot water supply apparatus utilizing a solar heat collector. SOLUTION: The storage type hot water supply apparatus is provided with: the hot water storage tank 50; a heat pump circuit 30 connecting a compressor 31, a radiator 32, a pressure reducing means 33 and an evaporator 34 in this order and circulating a refrigerant; the high temperature solar heat collector 41 for collecting solar heat; and a control means 80. The storage type hot water supply apparatus is provided with a first circulating line 62 for heating hot and cold water stored in the hot water storage tank 50, by the radiator 32 and returning it to the hot water storage tank 50, and a second circulating line 64 for heating the hot and cold water stored in the hot water storage tank 50, by the high temperature solar heat collector 41 and returning it to the hot water storage tank 50. Hot or cold water in the hot water storage tank 50 is thereby heated to a predetermined temperature by the heat pump circuit 30 and the high temperature solar heat collector 41 to obtain the heat storage amount even with the same volume of the hot water storage tank as the conventional one. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种使用太阳能集热器的存储式热水供应装置中提供热泵效率的蓄热式热水供应装置和热水储存箱的蓄热量。 解决方案：存储式热水供给装置设有：热水储存箱50; 依次连接压缩机31，散热器32，减压装置33和蒸发器34的热泵回路30，使制冷剂循环; 用于收集太阳热的高温太阳能集热器41; 储存式热水供给装置具备：第一循环管线62，用于通过散热器32加热储存在热水储存箱50中的热水和冷水，并将其返回到热水储存箱50 ，以及第二循环管线64，用于通过高温太阳能集热器41加热存储在热水储存箱50中的冷热水，并将其返回到热水储存箱50.热水中的热水或冷水 因此，通过热泵回路30和高温太阳能集热器41将储罐50加热到规定的温度，即使与以往相同容积的热水储存罐也能够获得蓄热量。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010078171A

公开(公告)日：2010-04-08

申请号：JP2008243753

申请日：2008-09-24

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： OKAZA NORIHO ,  YAMAOKA YOSHIKI ,  NAKATANI KAZUO

IPC: F28D7/16 ,  F24H1/00 ,  F25B1/00 ,  F28D7/00 ,  F28D7/10

Abstract: PROBLEM TO BE SOLVED: To provide an internal heat exchanger having high heat exchanging efficiency capable of suppressing increase of pressure loss and increasing a heat exchange amount, even in the internal heat exchanger of a structure capable of being comparatively easily manufactured. SOLUTION: This internal heat exchanger 30 is disposed in a refrigerating cycle constituted by connecting a compressor, a radiator, a pressure reducer and an evaporator by refrigerant piping to circulate a refrigerant therein, and exchanges heat between a high pressure-side refrigerant flowing between the radiator and the pressure reducer, and a low pressure-side refrigerant flowing between the evaporator and the compressor. An inlet side 31A of a first refrigerant tube 31 is connected with an outlet section of the evaporator, an outlet side 31B of the first refrigerant tube 31 is connected with an inlet section of the compressor, and a cross-sectional area of a flow channel of the first refrigerant tube 31 at the outlet side 31B is larger than that of the inlet side 31A. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：即使在能够相对容易制造的结构的内部热交换器中，也提供具有能够抑制压力损失增加和增加热交换量的具有高热交换效率的内部热交换器。 解决方案：该内部热交换器30设置在通过制冷剂管道连接压缩机，散热器，减压器和蒸发器构成的制冷循环中，以使其中的制冷剂循环，并且在高压侧制冷剂 在散热器和减压器之间流动，以及在蒸发器和压缩机之间流动的低压侧制冷剂。 第一制冷剂管31的入口侧31A与蒸发器的出口部分连接，第一制冷剂管31的出口侧31B与压缩机的入口部分连接，流动通道的横截面积 在出口侧31B处的第一制冷剂管31大于入口侧31A的第一制冷剂管31。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009085528A

公开(公告)日：2009-04-23

申请号：JP2007257315

申请日：2007-10-01

Applicant: Panasonic Corp ,  パナソニック株式会社

Inventor： OKAZA NORIHO ,  YAMAOKA YOSHIKI ,  ISAYAMA YASUHIKO ,  FUJITAKA AKIRA

IPC: F24H1/00

Abstract: PROBLEM TO BE SOLVED: To provide a heat-pump hot-water supply device capable of efficiently heating water by thermally insulating peripheral spaces of a compressor and a refrigerant pipe without increasing manufacturing cost and the size of a device.
SOLUTION: This heat-pump hot-water supply device comprises a compressor storage part 111 which is formed of a partition plate 27 and a casing external plate 32 forming an air blow circuit for blowing air to an evaporator 24 and in which a compressor 21 is disposed and a refrigerating cycle component insulating part 113 formed by surrounding at least the compressor 21 by insulators 41, 43. The insulator 43 forming one surface of the refrigerating cycle component insulating part 113 is brought into contact with the partition plate 27 or the external plate 32. The same member 43 as the insulator 43 in contact with the partition plate 27 or the casing external plate 32 or a member extending from the insulator forms the other surface of the refrigerating cycle component insulating part 113.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 解决的问题：提供一种能够通过绝热的压缩机和制冷剂管的外围空间来有效地加热水的热泵热水供给装置，而不增加制造成本和装置的尺寸。 解决方案：该热泵热水供给装置包括：压缩机储存部111，其由分隔板27和壳体外部板32构成，壳体外部板32形成用于将空气吹送到蒸发器24的吹气回路，其中 压缩机21和通过绝缘体41,43至少包围压缩机21而形成的制冷循环部件绝缘部113.形成在制冷循环部件绝缘部113的一个面的绝缘体43与隔板27或 与隔板27或壳体外板32接触的与绝缘体43相同的构件43或从绝缘体延伸的构件形成制冷循环部件绝缘部113的另一个表面。 （C）2009，JPO＆INPIT