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    • 3. 发明专利
    • Refrigerating apparatus
    • 制冷设备
    • JP2013108654A
    • 2013-06-06
    • JP2011253058
    • 2011-11-18
    • Sanyo Electric Co Ltd三洋電機株式会社
    • KAWAKUBO KENTADANO MASAYAKOYAMA KIYOSHIKOBAYASHI TAKAHIROMIHARA KAZUHIKONISHIKAWA HIROSHI
    • F25B1/00F04B49/06F04B49/10F04C28/28F04C29/02F25B43/02F25B49/02
    • 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.
    • 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
    • 4. 发明专利
    • Refrigerating device
    • 制冷装置
    • JP2009133543A
    • 2009-06-18
    • JP2007309960
    • 2007-11-30
    • Sanyo Electric Co Ltd三洋電機株式会社
    • KOYAMA KIYOSHINAMIKATA KOJIITO HIDEKI
    • F24H1/00F24F11/02F25B1/00F25B47/02
    • PROBLEM TO BE SOLVED: To provide a refrigerating device improved in the efficiency of heat utilization even if cold water storing operation to a cold water tank is not performed. SOLUTION: This refrigerating device comprises a refrigerant circuit X constituted by circularly connecting a compressor 16, a heat exchanger 27 for hot water supply, a cold water heat exchanger 18 and a heat source-side heat exchanger 19, a bypass pipe 30 bypassing the cold water heat exchanger 18, a solenoid valve 31 for cold water heat exchange bypass, restricting a refrigerant flow to the bypass pipe 30, a hot water supply tank 26 for storing water heated by the heat exchanger 27 for hot water supply, and control devices 15A-15C each controlling an operation of the compressor 16 according to a hot water storage state in the hot water supply tank 26, the cold water cooled by the cold water heat exchanger 18 is stored in a cold water tank 81 when the compressor 16 is operated, and the air distributing amount of a blower 22 disposed in the heat source-side heat exchanger 19 and supplying air to the heat source-side heat exchanger 19 is controlled so that the difference of refrigerant temperatures between prescribed two points of the refrigerant in the refrigerant circuit X is kept at a specific value or larger. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:即使不对冷水箱进行冷水储存操作,也可提供提高热利用效率的制冷装置。 解决方案:该制冷装置包括通过将压缩机16,热水供给用热交换器27,冷水热交换器18和热源侧热交换器19,旁通管30 绕过冷水热交换器18,用于冷水热交换旁路的电磁阀31,限制制冷剂流向旁通管30,用于储存由用于热水供应的热交换器27加热的水的热水供应罐26,以及 控制装置15A-15C,其根据热水供给箱26中的热水储存状态控制压缩机16的运转,由冷水热交换器18冷却的冷水储存在冷水箱81中,当压缩机 16,并且设置在热源侧热交换器19中并且向热源侧热交换器19供给空气的鼓风机22的空气分配量被控制,使得冷藏库 制冷剂回路X中的制冷剂的规定的两点之间的温度t保持在特定值以上。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Refrigerating cycle device and heat pump type water heater
    • 制冷循环装置和热泵型加热器
    • JP2008008499A
    • 2008-01-17
    • JP2006176159
    • 2006-06-27
    • Sanyo Electric Co Ltd三洋電機株式会社
    • KOYAMA KIYOSHI
    • F25B1/10F25B1/00
    • F25B2400/13
    • PROBLEM TO BE SOLVED: To realize a planned refrigerating cycle by controlling circulation of a refrigerant flowing to an intermediate injection circuit within a specific range. SOLUTION: When an operation is started, the refrigerant flows to a refrigerant circuit R, and the refrigerant through a refrigerant flow channel 3A is returned to a second electric expansion valve 11, a secondary flow channel 4B of a cooler 4, and between rotary compression elements 1A, 1B of a compressor 1. A microcomputer 40 performs control to restrict a first electric expansion valve 6 by prescribed steps when a refrigerant discharge temperature D1 is lower than a temperature obtained by subtracting 2°C from a target discharge temperature TD during the split cycle operation. When the refrigerant discharge temperature D1 rises and becomes higher than the temperature obtained by subtracting 2°C from the target discharge temperature TD, and not higher than the temperature obtained by adding 2°C to the target discharge temperature, the microcomputer 40 keeps an opening of the first electric expansion valve 6 as it is. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过控制在特定范围内流过中间注入回路的制冷剂的循环来实现计划的制冷循环。 解决方案:当操作开始时,制冷剂流向制冷剂回路R,并且通过制冷剂流动通道3A的制冷剂返回到第二电动膨胀阀11,冷却器4的二次流动通道4B,以及 在压缩机1的旋转压缩元件1A,1B之间。当制冷剂排出温度D1低于从目标排出温度减去2℃获得的温度时,微型计算机40执行控制以规定的步骤限制第一电动膨胀阀6 TD在分段运行期间。 当制冷剂排出温度D1升高并且变得高于从目标排出温度TD减去2℃获得的温度,并且不高于通过将2℃加到目标排出温度而获得的温度时,微计算机40保持打开 第一电动膨胀阀6。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Heat pump type hot-water supply device
    • 热泵型热水设备
    • JP2006308282A
    • 2006-11-09
    • JP2006177407
    • 2006-06-28
    • Sanyo Electric Co Ltd三洋電機株式会社
    • TAKIZAWA SADAHIROKOYAMA KIYOSHITSUKUE SHIGEOHOSHINO SATOSHISHIKICHI KAZUAKIISHIGAKI SHIGEYA
    • F24H9/12F24H1/00
    • PROBLEM TO BE SOLVED: To reduce an installation space of a refrigeration unit part, and to improve workability of a water pipe work for connecting the refrigeration unit part to a hot-water storage tank part.
      SOLUTION: This device comprises the refrigeration unit 1 equipped with main components of a coolant circuit and a blower fan inside a casing K; and a hot-water storage unit equipped inside with the hot-water storage tank and a hot-water supply pump for circulating hot water to be supplied in the hot-water storage tank into a hot-water heater, and constituted separately from the refrigeration unit 1. In the refrigeration unit 1, a plurality of water pipe joints 64, 64 for connecting the hot-water heater to the hot-water storage tank by a plurality of water pipes are arranged on the upside and downside at a prescribed interval on the lower part on the back of the casing K having an outside air suction port 37, and the plurality of water pipe joints 64 are constituted of rotatable rectangular elbows for water pipe connection wherein the pipe connection direction can be varied.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了减少制冷单元部件的安装空间,并且提高将制冷单元部件连接到热水储存部分的水管工作的可操作性。 解决方案:该装置包括制冷单元1,其配备有冷却剂回路的主要部件和壳体K内的鼓风机风扇; 以及配备有热水储存箱的热水存储单元和将供给到热水储水箱内的热水循环到热水加热器中的热水供给泵,与制冷 在制冷单元1中,多个水管接头64,64通过多个水管将热水加热器与热水储存箱连接,以规定的间隔在上下侧设置 壳体K的后部的下部具有外部空气吸入口37,并且多个水管接头64由用于水管连接的可旋转的矩形弯头构成,其中管道连接方向可以变化。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Heat pump type hot water supply device
    • 热泵型热水设备
    • JP2006292357A
    • 2006-10-26
    • JP2006151585
    • 2006-05-31
    • Sanyo Electric Co Ltd三洋電機株式会社
    • SAITO MASANOBUENYA YOSHINORIKOYAMA KIYOSHITAKIZAWA SADAHIROSHIKICHI KAZUAKIISHIGAKI SHIGEYAIZAKI HIROKAZUMUKOYAMA HIROSHIKUWABARA OSAMUYAMAZAKI HARUHISAIMAI SATORU
    • F24H1/00F24D17/00F24H1/18
    • PROBLEM TO BE SOLVED: To provide a heat pump type hot water supply device capable of improving energy efficiency. SOLUTION: This heat pump type water supply device is provided with a heat pump refrigerant circuit X, a hot water supplying water circulation circuit N, a first service water pipe 38 capable of supplying service water so that a service water pressure always works on the inside of a hot water supply tank 26, a top part hot water tapping pipe 40 connected to a top part 26A in the hot water supply tank 26, an intermediate part hot water tapping pipe 33 connected to an intermediate part 26C of the hot water supply tank 26, a first mixing valve 100 mounted in a converging part between the top part hot water tapping pipe 40 and the intermediate part hot water tapping pipe 33, and a second mixing valve 57 arranged in a hot water supply pipe 59 on the downstream side beyond the first mixing valve 100. By the second mixing valve 57, hot water mixed by the first mixing valve 100 and fed from the hot water supply pipe 59 is mixed with service water from a second service water pipe 62 connected to the first service water pipe 38, adjusted to hot water with a required temperature in a usage part including a tap 13, and fed to the usage part. In this way, energy efficiency of the heat pump type hot water supply device can be improved. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够提高能量效率的热泵式热水供给装置。

      解决方案:该热泵式给水装置设置有热泵制冷剂回路X,热水供给水循环回路N,能够供给服务水的第一服务水管38,使得服务水压始终工作 在热水供给箱26的内部,与热水供给箱26的顶部26A连接的顶部热水排出管40,与热水供给箱26的中间部26C连接的中间部热水排出管33 供水箱26,安装在顶部热水出水管40和中间部分热水排水管33之间的会聚部分的第一混合阀100和布置在热水供给管59上的第二混合阀57 下游侧超过第一混合阀100.通过第二混合阀57,由第一混合阀100混合并从热水供应管59供给的热水与来自连接的第二服务水管62的服务水混合 到第一服务水管38,在包括抽头13的使用部分中被调节到具有所需温度的热水,并被供给到使用部分。 这样,能够提高热泵式热水供给装置的能量效率。 版权所有(C)2007,JPO&INPIT

    • 9. 发明专利
    • Supercritical refrigerating apparatus
    • 超临界制冷装置
    • JP2006194582A
    • 2006-07-27
    • JP2006069461
    • 2006-03-14
    • Sanyo Electric Co Ltd三洋電機株式会社
    • TAKIZAWA SADAHIROKOYAMA KIYOSHITSUKUE SHIGEOHOSHINO SATOSHISHIKICHI KAZUAKIISHIGAKI SHIGEYA
    • F25B1/10F25B1/00F25B41/06F25B49/02
    • F25B2309/061Y02B30/72
    • PROBLEM TO BE SOLVED: To provide a supercritical refrigerating apparatus capable of preventing an output lowering of compression equipment during operation in a low state of an outside air temperature and enhancing durability. SOLUTION: The supercritical refrigerating apparatus comprises a high pressure side heat exchanger 12 for cooling a refrigerant compressed to make pressure supercritical; a branch part X for diverging the refrigerant flowing out of the high pressure side heat exchanger; a first pressure reducing device 13 for reducing the pressure of the one-side refrigerant diverged by the branch part; an evaporator 14 for evaporating the refrigerant reduced in pressure by the first pressure reducing device; the compression equipment 11 for compressing the refrigerant flowing out of the evaporator, to make the pressure supercritical and discharging it to the high pressure side heat exchanger 12; a by-pass circuit 16 for leading the other refrigerant diverged by the branch part X, to an intermediate pressure part 11d of the compression equipment 11; an opening/closing valve 17 for opening/closing the by-pass circuit; a second pressure reducing device 18 for reducing the pressure of the refrigerant flowing through the by-pass circuit 16; and a control means 3 for controlling the opening/closing valve 17 to open/close according to the outside air temperature. COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种超临界制冷装置,其能够防止压缩设备在外部空气温度的低状态下的运转中的输出降低,并提高耐久性。 解决方案:超临界制冷装置包括用于冷却被压缩以制造超临界压力的制冷剂的高压侧热交换器12; 分支部分X,用于使从高压侧热交换器流出的制冷剂分流; 用于减小由分支部分分散的一侧制冷剂的压力的第一减压装置13; 用于蒸发由第一减压装置减压的制冷剂的蒸发器14; 用于压缩从蒸发器流出的制冷剂的压缩设备11,以使压力超临界并将其排出到高压侧热交换器12; 用于将由分支部分X分流的其它制冷剂引导到压缩设备11的中间压力部分11d的旁路电路16; 用于打开/关闭旁路电路的打开/关闭阀17; 第二减压装置18,用于降低流经旁路电路16的制冷剂的压力; 以及控制装置3,用于根据外部空气温度控制打开/关闭阀17的打开/关闭。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Heat pump type hot water supply apparatus
    • 热泵型热水机
    • JP2005037124A
    • 2005-02-10
    • JP2004272652
    • 2004-09-21
    • Sanyo Air Conditioners KkSanyo Electric Co Ltd三洋エアコンディショナーズ株式会社三洋電機株式会社
    • SAITO MASANOBUENYA YOSHINORIKOYAMA KIYOSHITAKIZAWA SADAHIROSHIKICHI CHIAKIISHIGAKI SHIGEYAIZAKI HIROKAZUMUKOYAMA HIROSHIKUWABARA OSAMUYAMAZAKI HARUHISAIMAI SATORU
    • F24H1/00F24D17/00
    • PROBLEM TO BE SOLVED: To provide a heat pump type hot water supply apparatus allowing increase of energy efficiency by effectively using hot water in an intermediate part inside a hot water supply tank.
      SOLUTION: This heat pump type hot water supply apparatus has: a heat pump refrigerant circuit X using carbon dioxide as a refrigerant; and a hot water-supplying water circulation circuit N circulating water in a bottom part inside the hot water supply tank through a refrigerant-water heat exchanger to heat it, and returning hot water heated by the refrigerant-water heat exchanger to a top part of the hot water supply tank to store it in the hot water supply tank. The heat pump type hot water supply apparatus is provided with a top part hot water discharge line 40 for taking out high-temperature hot water in the top part inside the hot water supply tank, and an intermediate part hot water discharge line 33 for taking out intermediate-temperature hot water in the intermediate part inside the hot water supply tank, and is formed with a juncture part G making the top part hot water discharge line and the intermediate part hot water discharge line join each other. Hot water after passage of the juncture part and city water supplied from a city water line 62 are mixed by a mixing control valve 57 provided on the downstream side of the juncture part to supply it to a use part.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种热泵式热水供应装置,其能够通过在热水供给箱内的中间部分中有效地使用热水来提高能量效率。 解决方案:该热泵式热水供给装置具有:使用二氧化碳作为制冷剂的热泵制冷剂回路X; 以及热水供给水循环回路N,通过制冷剂 - 水热交换器使热水供给箱内的底部循环水加热,并将由制冷剂 - 水热交换器加热的热水返回到 热水供应罐将其储存在热水供应罐中。 热泵式热水供给装置设置有用于取出热水供给箱内的上部的高温热水的顶部热水排出管线40和用于取出的中间部分热水排出管线33 在热水供给箱内的中间部分的中间温热水,形成有使顶部热水排出管路和中间部分的热水排出管路相互连接的接合部G。 从城市供水管线62供应的接合部分和城市供水之后的热水通过设置在接合部分下游侧的混合控制阀57混合,以将其供应到使用部分。 版权所有(C)2005,JPO&NCIPI