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    • 1. 发明专利
    • Pollution source inspection method and pollutant removing system using the same
    • 污染源检测方法和使用该方法的污染物去除系统
    • JP2006177685A
    • 2006-07-06
    • JP2004368630
    • 2004-12-21
    • Hitachi Ltd株式会社日立製作所
    • SASAO YOSHIFUMINAKAJIMA TADAKATSUKOMATSU TOSHIHIRO
    • G01N33/00B01D53/30F24F11/02
    • PROBLEM TO BE SOLVED: To effectively remove a pollutant in indoor air by identifying the generation source of the pollutant. SOLUTION: The concentration of the pollutant in indoor air is measured by a measuring means 2 and the concentration distribution of the pollutant in a room is calculated by using the occurrence position and occurrence amount of the pollutant in the room as a parameter by a simulator 3; while a pollution source exploration means 1 uses the weighted residual difference between the measuring result and the calculation result as an evaluation function and minimizes the evaluation function, to calculate the occurrence position and occurrence amount of the pollutant. Further, a control device 80 controls the operating state of an air conditioner 20 or an air purifier 90, on the basis of the occurrence position and occurrence amount of the pollutant determined by the calculation of the pollution source exploration means 1. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过识别污染物的来源,有效地去除室内空气中的污染物。

      解决方案:室内空气中的污染物浓度由测量装置2测量,室内污染物的浓度分布通过使用房间污染物的发生位置和发生量作为参数来计算。 一个模拟器3; 而污染源勘探手段1将测量结果与计算结果之间的加权残差用作评价函数,并将评估函数最小化,计算污染物的发生位置和发生量。 此外,控制装置80基于通过计算污染源探测装置1确定的污染物的发生位置和发生量来控制空调20或空气净化器90的运行状态。 (C)2006,JPO&NCIPI

    • 2. 发明专利
    • Degradation diagnosis system of heat source instrument
    • 热源仪器降解诊断系统
    • JP2005345046A
    • 2005-12-15
    • JP2004167899
    • 2004-06-07
    • Hitachi Ltd株式会社日立製作所
    • FUJII TATSUROSASAO YOSHIFUMISAKAUCHI MASAAKIKUSHIMA HIROSHISUZUKI SHOJI
    • F24F11/02F25B15/00F25B49/02
    • Y02A30/277Y02B30/62
    • PROBLEM TO BE SOLVED: To accurately diagnose foul on a heat transfer tube of a cooling water system in a degradation diagnosis system of a heat source instrument, and to provide an efficient operation form. SOLUTION: The fouling factor, in-tube heat transfer rate, or heat transmission coefficient of the heat transfer tube is calculated based on measured data in an operation and instrument data of the heat source machine, and the diagnosis is performed with a trend with time. By determining the fouling factor based on an ideal in-tube heat transfer rate and an actually measured in-tube heat transfer rate determined from the measured flow rate of the cooling water, the diagnostic accuracy is improved and it can be also applied to a cooling water variable flow rate system. A diagnosing device is connected to a plurality of heat source machines having a data recording section via an information communication network. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:准确地诊断热源仪器的劣化诊断系统中的冷却水系统的传热管上的污物,并提供有效的操作形式。

      解决方案:根据热源机的操作和仪器数据中的测量数据计算传热管的结垢因子,管内传热速率或传热系数,并且用 随着时间的流逝。 通过基于理想的管内传热速率和从测量的冷却水流量确定的实际测量的管内传热速率来确定结垢因子,诊断精度得到改善,并且还可以应用于冷却 水变流量系统。 诊断装置通过信息通信网络连接到具有数据记录部分的多个热源机器。 版权所有(C)2006,JPO&NCIPI

    • 4. 发明专利
    • Cooling device for electronic device
    • 电子设备冷却装置
    • JP2000077874A
    • 2000-03-14
    • JP24152498
    • 1998-08-27
    • Hitachi Ltd株式会社日立製作所
    • SASAO YOSHIFUMIHONMA MITSURUNISHIHARA ATSUONAKAJIMA TADAKATSUOGURO TAKAHIROSHIN TAKAYUKIIDEI AKIO
    • H05K7/20
    • PROBLEM TO BE SOLVED: To improve cooling performance for an electronic component mounted on a printed board.
      SOLUTION: A plate-like member 201 which induces the spiral flow in a cooling air 10 is provided on a lower stream side than a heating electronic component 2a on a substrate 1 while on the upper stream side than an heating electronic component 2b. The height of the plate-like member 201 is shorter than the length of the side contacting the substrate 1 while its surface is tilted by 0-45° relative to the direction of the cooling air flow, so that a spiral flow 11 occurs, resulting in small pressure loss as the flow 11 does not contain such component as flows reverse to the air flow. The air whose temperature is raised by cooling the heating electronic component 2a is mixed with a low-temperature air passing around the component 2a by the spiral flow 11, effectively cooling the lower-stream heating electronic component 2b.
      COPYRIGHT: (C)2000,JPO
    • 要解决的问题:改善安装在印刷电路板上的电子部件的冷却性能。 解决方案:在加热电子部件2b的上游侧,在比基板1上的加热电子部件2a低的流侧设置有在冷却空气10中引起螺旋流动的板状部件201。 板状构件201的高度比其表面倾斜0-45度时与基板1接触的一侧的长度短。 相对于冷却空气流的方向,从而发生螺旋流11,导致小的压力损失,因为流11不包含与气流相反的流动的部件。 通过冷却加热电子部件2a使温度升高的空气与通过螺旋流11在组件2a周围通过的低温空气混合,有效地冷却下游加热电子部件2b。
    • 5. 发明专利
    • Air conditioner
    • 冷气机
    • JP2007139241A
    • 2007-06-07
    • JP2005331031
    • 2005-11-16
    • Hitachi Ltd株式会社日立製作所
    • SASAO YOSHIFUMINAKAJIMA TADAKATSU
    • F24F11/02
    • F24F11/0008F24F11/30F24F2110/12F24F2110/20
    • PROBLEM TO BE SOLVED: To independently control the temperature and humidity of a room for a central type air conditioner. SOLUTION: The air conditioner is provided with an air-conditioning unit provided with at least a cooling coil to be used as a heat exchange means, a blower, a heat source machine, and a transfer means. The transfer means transfers a coolant cooled by the heat source machine to the cooling coil, the cooling coil carries out heat exchange between the coolant and air to cool the air, and the cooled air is supplied to the inside of the room by the blower, to carry out cooling. The target values of the coolant temperature of the heat source machine, the transfer amount of the transfer means, and the air-blowing amount of the blower are calculated, according to the desired values of the temperature and the humidity of the room, and the heat source machine, the transfer means, and the blower are controlled on the basis of a calculation result. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:独立地控制中央型空调的房间的温度和湿度。 解决方案:空调设置有至少设置有用作热交换装置的冷却盘管,鼓风机,热源机和转移装置的空调单元。 转印装置将由热源机冷却的冷却剂传送到冷却盘管,冷却盘管在冷却剂和空气之间进行热交换以冷却空气,并且通过鼓风机将冷却的空气供应到房间的内部, 进行冷却。 根据室内温度和湿度的期望值,计算出热源机冷却剂温度的目标值,转印装置的转印量和鼓风机的送风量, 基于计算结果控制热源机,传送装置和鼓风机。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Chemical solution injecting device, sterilizing device, and deferrizing and sterilizing system
    • 化学溶液注射装置,灭菌装置,以及灭菌和灭菌系统
    • JP2006289352A
    • 2006-10-26
    • JP2006069733
    • 2006-03-14
    • Hitachi Ltd株式会社日立製作所
    • WATABE YOSHITONAKAJIMA TADAKATSUSASAO YOSHIFUMIKIMURA HIDEYUKI
    • C02F1/50C02F1/76
    • PROBLEM TO BE SOLVED: To provide a device capable of high-precision concentration control in producing a dilute sodium hypochlorite aqueous solution such as drinking water. SOLUTION: The chemical solution injecting device to produce a dilute chemical solution by injecting a chemical (sodium hypochlorite) solution into raw water has a raw water channel divided into two shunt channels 3, 4. The shunt channel 3 is provided with a chemical injecting part 5 for injecting the chemical solution and a concentration sensing means 8 for detecting the chemical concentration at the downstream of the chemical injecting part 5. At the downstream of the concentration sensing means 8, the shunt channel 3 joins the shunt channel 4 again. The chemical concentration is controlled by regulating the amount of the chemical solution injected by the chemical injecting part 5 on the basis of the chemical concentration sensed by the concentration sensing means 8, or by regulating the ratio of the shunting of the shunt channel 3 and the shunt channel 4. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够高精度浓缩控制的装置,用于生产稀释的次氯酸钠水溶液如饮用水。 解决方案:化学溶液注入装置通过将化学品(次氯酸钠)溶液注入原水来生产稀释的化学溶液,其具有分成两个分流通道3,4的原水通道。分流通道3设置有 用于注射化学溶液的化学注射部分5和用于检测化学注入部分5下游的化学物浓度的浓度检​​测装置8.在浓度检测装置8的下游,分流通道3再次连接分流通道4 。 化学浓度通过根据由浓度检测装置8感测到的化学浓度调节由化学注入部分5注入的化学溶液的量,或者通过调节分流通道3的分流比和 分流通道4.版权所有(C)2007,JPO&INPIT