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1. 发明公开

EP2584288A2 Cooling System And Cooling Method 审中-公开
标题翻译： KühlsystemundKühlverfahren
公开(公告)号：EP2584288A2
公开(公告)日：2013-04-24
申请号：EP12189010.7
申请日：2012-10-18
申请人： Hitachi Plant Technologies, Ltd.
发明人： Inadomi, Yasuhiko , Kashirajima, Yasuhiro , Ito, Junichi , Yoshida, Tomohiro
IPC分类号： F25B23/00 , F25B1/00 , F25B49/00
CPC分类号： F25B23/006 , F25B1/00 , F25B25/005 , F25B49/005 , F25B2500/03 , F25B2600/05 , F25B2700/04
摘要： Cooling system and cooling method that enable preventing breakdown of coolant pump (7) is provided. The cooling system (100), includes: evaporator (8) for evaporating coolant by heat exchange with indoor air as an object of air conditioning; condenser (5) for cooling and condensing coolant evaporated by evaporator (8); coolant liquid storage section (6) that communicates with condenser (5) and stores coolant liquid flowing in from condenser (5); coolant pump (7) that communicates with coolant liquid storage section (6) and pressure-transmits coolant liquid toward evaporator (8), the coolant liquid flowing in from coolant liquid storage section (6); coolant liquid detection units (S1, S2) for individually detecting whether or not liquid level of coolant liquid stored in coolant liquid storage section (6) is higher than or equal to respective plural heights (H1, H2) including first height (H1) and second height (H2) higher than first height (H1) in coolant liquid storage section (6); and control unit (10) that changes motor rotation speed of coolant pump (7), corresponding to detection result input from coolant liquid detection units (S1, S2).
摘要翻译：提供了能够防止冷却剂泵（7）击穿的冷却系统和冷却方法。冷却系统（100）包括：蒸发器（8），用于通过与作为空调的对象的室内空气进行热交换来蒸发冷却剂; 用于冷却和冷凝由蒸发器（8）蒸发的冷却剂的冷凝器（5）; 与冷凝器（5）连通并存储从冷凝器（5）流入的冷却剂液体的冷却剂液体存储部分（6）; 冷却剂泵（7），其与冷却剂液体存储部分（6）连通并且将冷却剂液体朝向蒸发器（8）压力传递，所述冷却剂液体从冷却剂液体存储部分（6）流入; 用于单独检测存储在冷却剂液体存储部分（6）中的冷却剂液体的液位是否高于或等于包括第一高度（H1）和（...）的多个高度（H1，H2）的冷却剂液体检测单元（S1，S2）第二高度（H2）高于冷却剂液体存储部分（6）中的第一高度（H1）; 以及与从冷却剂液体检测单元（S1，S2）输入的检测结果对应的，改变冷却剂泵（7）的电动机转速的控制单元（10）。

2. 发明公开

EP2357878A2 Cooling system for electronic apparatus 审中-公开
标题翻译： Kühlsystemfürelektronische Vorrichtung
公开(公告)号：EP2357878A2
公开(公告)日：2011-08-17
申请号：EP11000541.0
申请日：2011-01-24
申请人： Hitachi Plant Technologies, Ltd.
发明人： Shimokawa, Ryoji , Senda, Masakatsu , Kashirajima, Yasuhiro , Ito, Junichi , Nagatakiya, Asahi
IPC分类号： H05K7/20 , G06F1/20 , H02B1/56
CPC分类号： H05K7/202 , H05K5/0217 , H05K7/20609
摘要： A cooling system (10) for an electronic apparatus, includes: a casing (26) in which the electronic apparatus is housed; an evaporator (34) which is disposed at a rear surface side of the casing, and cools heat released from the electronic apparatus by a refrigerant; a slide mechanism (50) which connects the casing and the evaporator to be movable in a longitudinal direction with respect to the casing; at least any one of a cooling tower (38) which is provided at a higher place than the evaporator and condenses the refrigerant by cooling of external air and sprinkled water, and a heat exchanger (54) which cools the refrigerant by using chilled water; a circulation line (40, 64) which moves the refrigerant between the evaporator and at least one of the cooling tower and the heat exchanger; and a piping (78, 80) which connects the circulation line and the evaporator, and is extendable and contractible in response to movement of the evaporator.
摘要翻译：一种用于电子设备的冷却系统（10），包括：容纳所述电子设备的壳体（26）; 蒸发器（34），其设置在所述壳体的后表面侧，并且通过制冷剂冷却从所述电子设备释放的热量; 滑动机构（50），其将所述壳体和所述蒸发器连接成能够相对于所述壳体在长度方向上移动; 冷却塔（38）中的至少任一个，其设置在比蒸发器更高的位置并且通过冷却外部空气和洒水来冷凝制冷剂;以及热交换器（54），其通过使用冷冻水来冷却制冷剂; 在所述蒸发器和所述冷却塔和所述热交换器中的至少一个之间移动所述制冷剂的循环管线（40,64）以及连接循环管线和蒸发器的管道（78,80），并且响应于蒸发器的移动而可延伸和收缩。

3. 发明公开

EP2584288A3 Cooling System And Cooling Method 审中-公开
标题翻译：冷却系统和冷却方法
公开(公告)号：EP2584288A3
公开(公告)日：2014-03-05
申请号：EP12189010.7
申请日：2012-10-18
申请人： Hitachi Plant Technologies, Ltd.
发明人： Inadomi, Yasuhiko , Kashirajima, Yasuhiro , Ito, Junichi , Yoshida, Tomohiro
IPC分类号： F25B23/00 , F25B1/00 , F25B49/00 , F25B25/00
CPC分类号： F25B23/006 , F25B1/00 , F25B25/005 , F25B49/005 , F25B2500/03 , F25B2600/05 , F25B2700/04
摘要： Cooling system and cooling method that enable preventing breakdown of coolant pump (7) is provided. The cooling system (100), includes: evaporator (8) for evaporating coolant by heat exchange with indoor air as an object of air conditioning; condenser (5) for cooling and condensing coolant evaporated by evaporator (8); coolant liquid storage section (6) that communicates with condenser (5) and stores coolant liquid flowing in from condenser (5); coolant pump (7) that communicates with coolant liquid storage section (6) and pressure-transmits coolant liquid toward evaporator (8), the coolant liquid flowing in from coolant liquid storage section (6); coolant liquid detection units (S1, S2) for individually detecting whether or not liquid level of coolant liquid stored in coolant liquid storage section (6) is higher than or equal to respective plural heights (H1, H2) including first height (H1) and second height (H2) higher than first height (H1) in coolant liquid storage section (6); and control unit (10) that changes motor rotation speed of coolant pump (7), corresponding to detection result input from coolant liquid detection units (S1, S2).

4. 发明公开

EP2584880A2 Cooling system and method for controlling cooling system 审中-公开
标题翻译： Steuersystem und Verfahren zur Steuerung einesKühlsystems
公开(公告)号：EP2584880A2
公开(公告)日：2013-04-24
申请号：EP12189005.7
申请日：2012-10-18
申请人： Hitachi Plant Technologies, Ltd.
发明人： Ito, Junichi , Kashirajima, Yasuhiro , Inadomi, Yasuhiko , Yoshida, Tomohiro
IPC分类号： H05K7/20
CPC分类号： H05K7/20827 , H05K7/20245 , H05K7/20836
摘要： A cooling system (1) includes an evaporator (21a, 21b) for evaporating a refrigerant to cool an object to be cooled; a refrigerant-supply-flow-rate regulator (23a, 23b, 26a, 26b) for regulating a flow rate of the refrigerant to be supplied to the evaporator (21a, 21b); a condenser (10) for condensing the refrigerant by cooling the refrigerant by use of a chilled fluid; and a chilled-fluid-flow-rate regulator (14, 15) for regulating a flow rate of the chilled fluid to be supplied to the condenser (10), the refrigerant condensed by the condenser (10) being to be pressurized to be supplied to the evaporator (21a, 21b). The chilled-fluid-flow-rate regulator (14, 15) regulates a flow rate of the fluid, to be supplied to the evaporator (21a, 21b), for a temperature of the refrigerant condensed to come to a predetermined target refrigerant-liquid temperature, and the refrigerant-supply-flow-rate regulator (23a, 23b, 26a, 26b) regulates a flow rate of the refrigerant, to be supplied to the evaporator (21a, 21b), for a temperature of the object cooled to come to a predetermined target cooling temperature.
摘要翻译：冷却系统（1）包括用于蒸发制冷剂以冷却要冷却的物体的蒸发器（21a，21b）用于调节供给蒸发器（21a，21b）的制冷剂的流量的制冷剂供给流量调节器（23a，23b，26a，26b）; 冷凝器（10），用于通过使用冷冻流体冷却制冷剂来冷凝制冷剂; 以及用于调节供给到冷凝器（10）的冷冻流体的流量的冷冻流体流量调节器（14,15），被冷凝器（10）冷凝的制冷剂被加压供给到所述蒸发器（21a，21b）。冷冻流体流量调节器（14,15）调节要供应到蒸发器（21a，21b）的流体的流量，以使被冷凝的制冷剂的温度达到预定的目标制冷剂液体温度和制冷剂供给流量调节器（23a，23b，26a，26b）调节要供应到蒸发器（21a，21b）的制冷剂的流量，以达到冷却到达的物体的温度达到预定的目标冷却温度。

5. 发明公开

EP2333439A2 Cooling method and cooling system of electronic device 审中-公开
标题翻译： Gerät。KühlverfahrenundKühlsystemfürein elektronischesGerät
公开(公告)号：EP2333439A2
公开(公告)日：2011-06-15
申请号：EP10193319.0
申请日：2010-12-01
申请人： Hitachi Plant Technologies, Ltd.
发明人： Kashirajima, Yasuhiro , Ito, Junichi , Inadomi, Yasuhiko , Sugiura, Takumi , Shimokawa, Ryoji , Senda, Masakatsu , Oshima, Noboru
IPC分类号： F24F3/06 , F24F11/00 , F24F11/053 , H05K7/20
CPC分类号： F24F3/065 , F24F11/30 , F24F11/76 , F24F2110/00 , F24F2110/10 , F24F2110/40 , H05K7/20245 , H05K7/20827 , H05K7/20836
摘要： Even when the flow rate of a cooling medium of evaporators in a cooling system of a cooling-medium natural-circulation method is subjected to valve control, the natural circulation of the cooling medium can be stably maintained, and formation of dew on the surfaces of the evaporators can be prevented. In a cooling method of electronic devices of naturally circulating a cooling medium between evaporators (20X) and (20Y), which gasifies the cooling medium and cools heat-discharging air from servers (14) by heat exchange with the heat-discharging air, and a cooling tower (22), which is disposed at a higher position than the evaporators (20X) and (20Y) and liquefies the gasified cooling medium, and subjecting the flow rate of the cooling-medium liquid supplied to the evaporators (20X) and (20Y) to valve control so that the temperature of the air obtained after the heat exchange and the cooling by the evaporators (20X) and (20Y) becomes a temperature suitable for the operating environments of the servers (14), the condensation temperature or the condensation pressure of the cooling-medium gas in a cooling tower (22) is configured not to be varied even when the flow rate of the cooling-medium liquid supplied to the evaporators (20X) and (20Y) is subjected to valve control.
摘要翻译：即使在冷却介质自然循环方式的冷却系统中的蒸发器的冷却介质的流量受到阀门控制的情况下，可以稳定地保持冷却介质的自然循环，并且在表面上形成露水可以防止蒸发器。在将蒸发器（20X）和（20Y）之间自然循环冷却介质的电子装置的冷却方法中，通过与散热空气进行热交换，将冷却介质气化并从服务器（14）冷却排出空气的冷却介质，以及冷却塔（22），其设置在比所述蒸发器（20X）和（20Y）更高的位置，并使所述气化冷却介质液化，并且将供给到所述蒸发器（20X）的冷却介质液体的流量和（20Y）进行阀控制，使得在热交换和蒸发器（20X）和（20Y）的冷却之后获得的空气的温度变为适合于服务器（14）的运行环境的温度，冷凝温度或即使供给到蒸发器（20X）和（20Y）的冷却介质液体的流量进行阀门控制，冷却塔（22）中的冷却介质气体的冷凝压力也不会变化。

6. 发明公开

EP2525639A2 Cooling system for electronic equipment 审中-公开
标题翻译：德国电力公司（Kühlsystemfürein elektronischesGerät
公开(公告)号：EP2525639A2
公开(公告)日：2012-11-21
申请号：EP12168238.9
申请日：2012-05-16
申请人： Hitachi Plant Technologies, Ltd.
发明人： Kashirajima, Yasuhiro , Ito, Junichi , Inadomi, Yasuhiko , Yoshida, Tomohiro , Mikami, Teruo
IPC分类号： H05K7/20
CPC分类号： H05K7/20818 , H05K7/20836
摘要： A cooling system 2 for electronic equipment includes an evaporator 21 cooling the electronic equipment, a blower 26 making air heated by the electronic equipment flow into the evaporator 21, and a condenser 22 condensing a refrigerant to be supplied to the evaporator 21 and also includes a refrigerant liquid pipe 23 guiding a liquefied refrigerant from the condenser to a lower part of the evaporator, a refrigerant gas pipe 24 guiding the refrigerant which evaporates by cooling the electronic equipment from an upper part of the evaporator to the condenser, a refrigerant flow rate control valve 25 controlling a flow rate of the refrigerant flowing into the evaporator 21, a temperature sensor 27 detecting a temperature of air obtained after passing through the evaporator 21, and a controller 28 for control valve controlling the control valve 25 on the basis of a detection value of the temperature sensor 27.
摘要翻译：用于电子设备的冷却系统2包括冷却电子设备的蒸发器21，使由电子设备加热到空气中的空气进入蒸发器21的鼓风机26和冷凝器22，冷凝器22将要供应到蒸发器21的制冷剂冷凝，将液化制冷剂从冷凝器引导到蒸发器的下部的制冷剂液体管道23，将从蒸发器的上部冷却电子设备蒸发的制冷剂导向冷凝器的制冷剂气体管道24，制冷剂流量控制控制流入蒸发器21的制冷剂的流量的阀25，检测通过蒸发器21后得到的空气的温度的温度传感器27，以及基于检测的控制阀25的控制阀控制器28 温度传感器27的值。

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