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    • 11. 发明专利
    • Dehumidifier, control method of dehumidifier, and air conditioning system
    • 减湿器,除湿器的控制方法和空调系统
    • JP2009208001A
    • 2009-09-17
    • JP2008053607
    • 2008-03-04
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • MIYAJIMA YUJISHIMOKAWA RYOJISAKUMA MASAYOSHI
    • B01D53/26F24F11/02
    • PROBLEM TO BE SOLVED: To provide a dehumidifier, a control method of the dehumidifier, and an air conditioning system, and to save energy for, in particular, a dehumidifier dehumidifying air by using an adsorbent or an absorption liquid, the control method of the dehumidifier and the air conditioning system. SOLUTION: The dehumidifier dehumidifying air by using the adsorbent or absorption liquid includes means of: dehumidifying atmospheric air introduced into the dehumidifier; cooling the atmospheric air introduced into the dehumidifier, being disposed in a preceding stage of the dehumidifying means; supplying a coolant cooled to a given temperature to the cooling means; and controlling the temperature of the coolant cooled by the supplying means of the coolant so as to minimize the energy consumption of the dehumidifier. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供除湿器,除湿器的控制方法和空调系统,并且通过使用吸附剂或吸收液体,特别是除湿除湿空气来节省能量,控制 除湿机和空调系统的方法。 解决方案:通过使用吸附剂或吸收液对除湿空气进行除湿的手段包括:除湿引入到除湿器中的大气; 冷却引入到除湿器中的大气,设置在除湿装置的前一级; 将冷却到给定温度的冷却剂供应到冷却装置; 并且控制由冷却剂的供给装置冷却的冷却剂的温度,以使除湿器的能量消耗最小化。 版权所有(C)2009,JPO&INPIT
    • 12. 发明专利
    • Cold source system and its operation method
    • 冷源系统及其运行方法
    • JP2009063237A
    • 2009-03-26
    • JP2007231609
    • 2007-09-06
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • NAKAJIMA KENICHITANAKA MAKOTOSAKUMA MASAYOSHIMIYAJIMA YUJI
    • F25B1/00
    • PROBLEM TO BE SOLVED: To provide a cold source system and its operation method not needing a cooling tower exclusively used for free cooling and a heat exchanger for precooling, and capable of performing a free cooling operation flexible to load variation.
      SOLUTION: In this cold source system for supplying the cold to a cold demander 20 by circulating the cold water manufactured by refrigerating machines 22A, 22B, 22C having cooling towers 28A, 28B, 28C by cold water circulation pipes 24A, 24B, 24C disposed between the cold demander 20 and the refrigerating machines 22A, 22B, 22C, when an operation of the refrigerating machine 22C is stopped by lowering of cold load, the cooling tower 28C corresponding to the refrigerating machine 22C can be utilized as a cooling tower for free cooling to directly cool at least a part of the cold water.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种不需要专用于自由冷却的冷却塔的冷源系统及其操作方法和用于预冷却的热交换器,并且能够执行柔性以进行负载变化的自由冷却操作。 解决方案:在该冷源系统中,通过冷水循环管24A,24B将冷却塔​​28A,28B,28​​C的制冷机22A,22B,22C制冷的冷水循环到冷供应器20中, 24C设置在冷供应器20和制冷机22A,22B,22C之间,当冷藏机22C的运转通过降低冷负荷而停止时,与制冷机22C对应的冷却塔28C可以用作冷却塔 用于自由冷却以直接冷却至少一部分冷水。 版权所有(C)2009,JPO&INPIT
    • 13. 发明专利
    • Heat source system and control method for heat source system
    • 热源系统和热源系统的控制方法
    • JP2013160415A
    • 2013-08-19
    • JP2012021415
    • 2012-02-03
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • KITAJIMA KEIICHIKIKUCHI HIRONARIMIYAJIMA YUJI
    • F24F11/02
    • F24F3/06F24F11/46F24F11/70F24F2221/54F25B25/005F25B49/02F25B2400/06F25B2500/19
    • PROBLEM TO BE SOLVED: To provide a heat source system comprising a plurality of heat source machines capable of reducing energy consumption, operating costs, or carbon dioxide emission.SOLUTION: A control device (30) for a heat source system (S) has a thermal load distribution pattern generation means (31) that generates thermal load distribution patterns for heat source machines (11, 12, 13), a simulation means (32) that calculates an evaluation function for the heat source system (S) in the generated thermal load distribution patterns, a thermal load distribution pattern extraction means (33) that extracts one thermal load distribution pattern from the thermal load distribution patterns generated by the thermal load distribution pattern generation means (31) on the basis of the evaluation function, and a control command means (34) that controls the heat source machines (11, 12, 13) and cold/hot water pumps (5a, 5b, 5c) on the basis of the extracted thermal load pattern.
    • 要解决的问题:提供一种包括能够降低能量消耗,运行成本或二氧化碳排放的多个热源机的热源系统。解决方案:一种用于热源系统(S)的控制装置(30)具有 热负荷分布模式生成装置(31),其生成热源机(11,12,13)的热负荷分布模式,模拟装置(32),其计算所产生的热量的热源系统(S)的评价功能 负载分布图案,热负荷分布模式提取装置,其从基于评估函数的热负荷分布模式生成装置(31)生成的热负荷分布模式中提取一个热负荷分布模式,以及控制 基于提取的热负荷模式来控制热源机(11,12,13)和冷/热水泵(5a,5b,5c)的指令装置(34)。
    • 14. 发明专利
    • Cooling system and cooling method
    • 冷却系统和冷却方法
    • JP2011141072A
    • 2011-07-21
    • JP2010001366
    • 2010-01-06
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • KIKUCHI HIRONARIMIYAJIMA YUJIMIZUSHIMA TAKANARIHANAOKA HIDEOTAKENAMI TOSHITO
    • F24F11/02F24F5/00F24F11/053F25B1/00
    • Y02B30/745Y02B30/746
    • PROBLEM TO BE SOLVED: To reduce the total of power consumption of fan power and power consumption of pump power of a cooling tower when cooling is performed by utilizing free cooling of the cooling tower.
      SOLUTION: This cooling system includes a simulator 51 performing simulation to determine the total value of power consumptions of a cooling tower fan 10, and pumps 2, 4 while applying at least a temperature of cooling water of a cooling water outlet 1a and a temperature of cold water of a first heat exchanger outlet 11a as input values, a control value acquiring section 52 changing the input values of the cooling water temperature and the cold water temperature to input them to the simulator 51, and acquiring an invertor frequency of the cooling tower fan 10 of the cooling tower to minimize the total value of the power consumptions from a result of the simulator, and an invertor frequency of the pump 2 within a range not over an upper limit value of the invertor frequency of the predetermined pump 2 as the optimum values, and a control value setting section 53 for setting the acquired control value.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过利用冷却塔的自由冷却来降低冷却时的风扇功率消耗和冷却塔的泵功率的功耗的总和。 解决方案:该冷却系统包括模拟器51,其执行模拟以确定冷却塔风扇10的功率消耗的总值,以及泵2,4,同时至少施加冷却水出口1a的冷却水的温度, 第一热交换器出口11a的冷水温度作为输入值,控制值获取部52改变冷却水温度和冷水温度的输入值,将其输入到模拟器51,并且获取逆变器频率 冷却塔的冷却塔风扇10,以使来自模拟器的结果的功率消耗的总值最小化,并且在不超过预定泵的逆变器频率的上限值的范围内的泵2的逆变器频率 2作为最佳值,以及控制值设定部53,用于设定获取的控制值。 版权所有(C)2011,JPO&INPIT
    • 16. 发明专利
    • Air conditioning system
    • 空调系统
    • JP2010085010A
    • 2010-04-15
    • JP2008254303
    • 2008-09-30
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • KIKUCHI HIRONARIMIYAJIMA YUJIHANAOKA HIDEO
    • F24F11/02F25B1/00
    • PROBLEM TO BE SOLVED: To provide an air conditioning system having high cooling efficiency and preventing dirty cooling water from flowing in an air conditioning load part. SOLUTION: The air conditioning system 10 includes: a refrigerator 40 having an evaporator 44 and a condenser 42; a cooling tower 20 having a coil 22, a water spray pipe 24 and a water collecting part 26; piping e, f for circulating cooling water in the water collecting part 26, the condenser 42 and the water spray pipe 24; piping e, f, g for circulating cooling water in the water collecting part 26 and the water spray pipe 24; piping a, b for circulating cold water in the evaporator 44 and an air conditioner 60; piping a, b, c, d for circulating cold water in the coil 22 and the air conditioner 60; on-off valves 75, 76 for switching a flow passage of the cooling water; and on-off valves 73, 74 for switching a flow passage of the cold water. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种具有高冷却效率的空调系统,并且防止脏空冷的水在空调负荷部件中流动。 解决方案:空调系统10包括:具有蒸发器44和冷凝器42的冰箱40; 具有线圈22的冷却塔20,喷水管24和集水部26; 管道e,f用于集水部分26中的循环冷却水,冷凝器42和喷水管24; 用于在集水部26和喷水管24中循环冷却水的管道e,f,g; 用于在蒸发器44中循环冷水的管道a,b和空调器60; 用于使线圈22和空调器60中的冷水循环的管道a,b,c,d; 用于切换冷却水的流路的开关阀75,76; 以及用于切换冷水流路的开闭阀73,74。 版权所有(C)2010,JPO&INPIT
    • 18. 发明专利
    • Cooling water manufacturing device
    • 冷却水制造设备
    • JP2008190791A
    • 2008-08-21
    • JP2007026051
    • 2007-02-05
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • MIYAJIMA YUJIWATANABE HIROYUKISAKUMA MASAYOSHI
    • F25B27/00F25B15/00
    • Y02A30/277Y02B30/62
    • PROBLEM TO BE SOLVED: To provide a cooling water manufacturing device capable of efficiently lowering the temperature of cooling water.
      SOLUTION: This cooling water manufacturing device 10 comprises a cooling tower 12. The cooling tower 12 exchanges heat between the cooling water supplied from a cooling water circulation pipe 18 and the outside air sucked from the external to cool the cooling water. Further this cooling water manufacturing device 10 comprises a solar heat refrigerating machine 40, and a first heat exchanger 54 to which a refrigerant cooled by the solar heat refrigerating machine 40 is supplied, is disposed in a passage of the outside air sucked to the cooling tower 12. Thus the outside air sucked to the cooling tower 12 is cooled. The solar heat refrigerating machine 40 is connected to a calculation controller 64 for controlling the motion of an operation or stop.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够有效降低冷却水的温度的冷却水制造装置。 解决方案:该冷却水制造装置10包括冷却塔12.冷却塔12在从冷却水循环管18供给的冷却水与从外部吸入的外部空气之间进行热交换,冷却冷却水。 此外,该冷却水制造装置10包括太阳能制冷机40,并且供给由太阳能制冷机40冷却的制冷剂的第一热交换器54设置在吸入冷却塔的外部空气的通路中 因此,吸入冷却塔12的外部空气被冷却。 太阳能制冷机40连接到计算控制器64,用于控制操作或停止的运动。 版权所有(C)2008,JPO&INPIT
    • 19. 发明专利
    • Cold heat source system
    • 冷热源系统
    • JP2007187383A
    • 2007-07-26
    • JP2006005348
    • 2006-01-12
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • MIYAJIMA YUJI
    • F28F27/00F28C1/06
    • PROBLEM TO BE SOLVED: To provide a cold heat source system allowing reduction of cooling water pump power when a necessary cooling load is small or when cooling water has the minimum flow rate.
      SOLUTION: In this cold heat source system 70, the cooling water sent from equipment 54 through a going path pipe 32 by a cooling water pump 56 is cooled in a cross-flow cooling tower 50, and is returned to the equipment 54 through a return path pipe 56. The cooling tower 50 has: a plurality of heat exchange units 48a, 48b vertically disposed inside a cooling tower body 20 in a multistage, cooling the cooling water by sprinkling the cooling water sent from the equipment 54 over water sprinkle tanks each filled with a filler 26a (26b) from an upper water tank 6, bring it into contact with outside air introduced into the cooling tower body 20 to perform heat exchange, and allowing water conduction of the cooling water from a topmost stage to a bottommost stage of multiple stages; a changeover means changing over a water sending destination of the cooling water from the equipment 54 to the plurality of heat exchange units 48a, 48b; and a control means 58 controlling the changeover of the changeover means according to the cooling load of the cooling water cooled in the cooling tower.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种冷热源系统,其在必要的冷却负荷小或冷却水具有最小流量时可以降低冷却水泵功率。 解决方案:在该冷热源系统70中,通过冷却水泵56从设备54通过通行管32的冷却水在交叉流冷却塔50中冷却,并返回到设备54 冷却塔50具有多个垂直地设置在多级冷却塔体20内部的热交换单元48a,48b,通过将从设备54送出的冷却水喷洒在水上而冷却冷却水 每个从上部水箱6填充有填充物26a(26b)的喷洒槽,使其与被引入冷却塔体20的外部空气接触,进行热交换,并使冷却水从最上层到水 多阶段的最底层; 切换装置将冷却水的送水目的地从设备54切换到多个热交换单元48a,48b; 以及控制装置58,其根据在冷却塔中冷却的冷却水的冷却负荷控制切换装置的切换。 版权所有(C)2007,JPO&INPIT
    • 20. 发明专利
    • Simplified partition wall
    • 简化分隔墙
    • JP2007009634A
    • 2007-01-18
    • JP2005195002
    • 2005-07-04
    • Hitachi Plant Technologies Ltd株式会社日立プラントテクノロジー
    • MIYAJIMA YUJIGOTODA RYUSUKE
    • E04B2/82E04B2/74
    • PROBLEM TO BE SOLVED: To stably install a simplified partition wall on a wall surface or in a space where an obstacle is placed.
      SOLUTION: The simplified partition wall 100 partitions the space having a rod-like obstacle between a ceiling surface and a floor surface or between facing wall surfaces. The partition wall 100 comprises; a wall panel 30; a pole 10 including a telescopic rod member and an urging means for urging the telescopic rod member in a direction of its extension so that the rod member may bridge the space between the obstacle and the ceiling surface, the floor surface or the wall surface for supporting by the urging force of the urging means; a pair of facing beam members 12a, 12b fitted to both ends of the pole 10 in a direction perpendicular to the pole 10 and provided with a pressing spring 16 to detachably sandwich and support the wall panel 30; and an engaging means 60 mounted on at least one of the beam members 12a, 12b in a manner that the engaging means 60 may be horizontally movable and horizontally rotatable on the beam members 12a, 12b and be engaged with the obstacle.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了在壁表面或放置障碍物的空间中稳定地安装简化的分隔壁。 解决方案:简化的分隔壁100在天花板表面和地板表面之间或相对的壁表面之间划分具有棒状障碍物的空间。 分隔壁100包括: 墙板30; 包括伸缩杆构件的杆10和用于在伸出杆的方向上推动伸缩杆构件的推动装置,使得杆构件可以将障碍物与天花板表面之间的空间,地板表面或墙壁支撑 通过推动手段的推动力; 一对面对的梁构件12a,12b,其在与杆10垂直的方向上安装在杆10的两端,并设置有可拆卸地夹持和支撑壁板30的按压弹簧16; 以及安装在至少一个梁构件12a,12b上的接合装置60,使得接合装置60可以在梁构件12a,12b上水平移动并水平地可旋转并与障碍物接合。 版权所有(C)2007,JPO&INPIT