会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明专利
    • COOLING APPARATUS FOR INDOOR TRANSFORMER
    • JPH11283844A
    • 1999-10-15
    • JP8399798
    • 1998-03-30
    • DAIHEN CORP
    • MATSUNAGA KOJIINUI MASAHIRO
    • H01F27/08F28D15/02
    • PROBLEM TO BE SOLVED: To provide a cooling apparatus for indoor transformer which is able to cool a transformer, without raising the temperature in an electric room. SOLUTION: A transformer housing box 20, which houses a transformer 13 and a cooling box 21 having a heating chamber C1 and a cooling chamber C2 inside, are arranged in an electric room 11. A heat pipe 25 is housed in the cooling box 21 and the heating section 25a1 , and heat radiating section 25a2 of the pipe 25 are respectively positioned in the heating chamber C1 and cooling chamber C2 of the cooling box 21. The transformer 13 is cooled by discharging the heat of the transformer 13 through forcible ventilation into the heat pipe 25 and cooling chamber C2 , by providing an air circulating apparatus which forcibly generates an air flow through an air flow passage which reaches the lower space of the transformer housing box 20 from the upper space of the box 20 through the heating chamber C1 and a forcible ventilator which ventilates the cooling chamber C2 .
    • 6. 发明专利
    • Transformer with ventilation fan
    • 变压器与通风扇
    • JP2005093534A
    • 2005-04-07
    • JP2003321757
    • 2003-09-12
    • Daihen Corp株式会社ダイヘン
    • MATSUNAGA KOJIYOSHIYA HISASHI
    • H01F27/08
    • PROBLEM TO BE SOLVED: To provide a transformer with a ventilation fan which can remove the ventilation fan without separating components of a fastening tool which fastenes both flanges.
      SOLUTION: The transformer is constituted so that the ventilation fan can be fixed to an upper part of a transformer box. As to the installation of the ventilation fan to the upper part of the transformer box, a box side flange is installed in the upper part of the transformer box, the ventilation fan arranged on the box side flange is provided with a fan side flange 10 in the lower part, both of the flanges 9, 10 are piled up and fastened by using a fastening tool 11 at fastening positions of a plurality of places. The fastening tool 11 is unified in one body by combining the components also in a state that both the flanges 9, 10 are not fastened. The unified fastening tool 11 is movably retained at a fastening position and a non-fastening position by using a coupling tool 12 to the transformer box.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为变压器提供通风扇,可以在不分离紧固工具的部件的情况下拆下通风扇,从而使两个法兰紧固。

      解决方案:变压器构成为可以将换气扇固定在变压器箱的上部。 对于将换气扇安装在变压器箱的上部,在变压器箱的上部安装有箱侧法兰,设在箱侧法兰上的通风扇设有风扇侧法兰10 下部,两个凸缘9,10在多个位置的紧固位置处通过使用紧固工具11堆积和紧固。 紧固工具11通过在两个凸缘9,10未被紧固的状态下组合这些部件而被统一在一体中。 统一的紧固工具11通过使用耦合工具12可移动地保持在紧固位置和非紧固位置。 版权所有(C)2005,JPO&NCIPI

    • 7. 发明专利
    • Transformation facility unit
    • 转型设备单位
    • JP2013243867A
    • 2013-12-05
    • JP2012115965
    • 2012-05-21
    • Daihen Corp株式会社ダイヘン
    • HATTORI MASAYUKIIWATA RYUYUMATSUNAGA KOJIYOSHIYA HISAYUKI
    • H02B5/00H02B1/20H02B1/30H02M7/48
    • PROBLEM TO BE SOLVED: To provide a transformation facility unit which can reduce or eliminate underground wiring work, can decrease the required number of ground fault detectors, and can also reduce or eliminate the combination test in the field.SOLUTION: A transformation facility unit 11 includes a power converter 12, a boost transformer 13 and a system interconnection board 14. In the container 15 of the power converter 12, a plurality of inverters 23 and a plurality of power collection boxes 24 are housed. The inverter 23 converts DC power input from a DC power supply via the power collection boxes 24 into three-phase AC power. The boost transformer 13 boosts the voltage of three-phase AC power synthesizing the outputs from the plurality of inverters 23. Cables in a first duct 21 installed between the container 15 and the boost transformer 13, and cables in a second duct 22 installed between the boost transformer 13 and the system interconnection board 14 are laid while being separated by a certain distance or longer not causing dielectric breakdown for the inner wall face of the duct, and attached in place.
    • 要解决的问题:提供可以减少或消除地下接线工作的变电设备单元,可以减少所需数量的接地故障检测器,并且还可以减少或消除现场的组合测试。解决方案:变电设备单元11 包括电力转换器12,升压变压器13和系统互连板14.在电力转换器12的容器15中,容纳有多个逆变器23和多个电力收集箱24。 逆变器23将从直流电源经由功率收集箱24输入的直流电力转换为三相交流电力。 升压变压器13提高合成来自多个逆变器23的输出的三相AC电力的电压。安装在容器15和升压变压器13之间的第一管道21中的电缆,以及安装在容纳器15之间的第二管道22中的电缆 升压变压器13和系统互连板14被放置一段距离或更长时间,不会导致管道内壁面的电介质击穿,并且固定在适当位置。
    • 8. 发明专利
    • Phase modifier
    • 相变器
    • JP2011182483A
    • 2011-09-15
    • JP2010041334
    • 2010-02-26
    • Daihen Corp株式会社ダイヘン
    • MATSUNAGA KOJISAKAI KENTARONAKAYA SHIGEYOSHI
    • H02J3/18H01F37/00H02J3/00
    • Y02E40/30Y04S10/525
    • PROBLEM TO BE SOLVED: To accurately investigate an accident when energizing a distribution line by a reclosed circuit after distribution line power failure due to the accident within a phase modifier. SOLUTION: The phase modifier includes phase modifying elements 4u to 4w connected to the distribution lines 1u to 1w via switches 5u to 5w and a control unit 6 for controlling the switches 5u to 5w so that a voltage of the distribution line is within a prescribed range. The control unit 6 includes a switch state storage unit 10 for storing the states of the switches immediately before detection of power failure when the distribution line power failure is detected and a switch returning means 11 at voltage recovery for restoring the states of the switches 5u to 5w to the states stored in the switch state storage unit 10 for the amount of time required for accident investigation by the reclosed circuit when detecting the recovery of the voltage in the distribution line. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了准确地调查由于在相位修正器内的事故而在分配线电源故障之后通过重新闭合的电路为配电线路通电时的事故。 解决方案:相位修正器包括通过开关5u至5w连接到配线1u至1w的相位修改元件4u至4w,以及用于控制开关5u至5w的控制单元6,使得配线的电压在 规定范围。 控制单元6包括开关状态存储单元10,用于在检测到配电线路电源故障时立即检测到电源故障之前的开关的状态以及用于恢复开关5u的状态的电压恢复时的开关返回装置11 5w到存储在开关状态存储单元10中的状态,当检测到配电线路中的电压恢复时,重新闭合电路的事故调查所需的时间量。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Method and apparatus for adjusting voltage of power distribution line
    • 用于调节电力分配线电压的方法和装置
    • JP2009254166A
    • 2009-10-29
    • JP2008100697
    • 2008-04-08
    • Daihen CorpTokyo Electric Power Co Inc:The東京電力株式会社株式会社ダイヘン
    • SUGANO NORIHIROFUKATSU NAOAKIMATSUNAGA KOJIYAKU MASAJI
    • H02J3/12
    • PROBLEM TO BE SOLVED: To prevent simultaneous application of a plurality of shunt reactors installed on the same power distribution line. SOLUTION: Autonomous voltage adjusting devices 4a, 4b are each provided with an integral operation type voltage adjusting relay for detecting a power distribution voltage of an installation point to generate a voltage stepup command and a voltage stepdown command and a shunt reactor ShR, and apply the shunt reactors to a power distribution line 1 when the voltage adjusting relay generates a voltage stepdown command and release the shunt reactors from the power distribution line 1 when the voltage adjusting relay generates a voltage stepup command. The voltage adjusting devices 4a, 4b are installed on installation points Pa, Pb set with a distance on the same power distribution line 1, respectively, the voltage adjusting devices 4a, 4b have the same setting value. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了防止同时施加安装在同一配电线路上的多个并联电抗器。 自适应电压调节装置4a,4b分别设置有用于检测安装点的配电电压以产生升压指令和降压指令以及分流电抗器ShR的整体式操作型电压调节继电器, 并且当所述电压调节继电器产生电压降压命令时,并联电抗器施加到配电线路1,并且当所述电压调节继电器产生升压指令时从所述配电线路1释放所述并联电抗器。 电压调节装置4a,4b分别安装在距离相同的配电线1上的安装点Pa,Pb上,电压调节装置4a,4b具有相同的设定值。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Wiring structure between bank transformers
    • 银行变压器之间的接线结构
    • JP2005101395A
    • 2005-04-14
    • JP2003334627
    • 2003-09-26
    • Daihen Corp株式会社ダイヘン
    • YOSHIYA HISASHIMATSUNAGA KOJI
    • H01F30/12
    • PROBLEM TO BE SOLVED: To obtain a wiring structure between bank transformers which connects a plurality of bank transformers installed at a low cost and in space saving manner. SOLUTION: A plurality of connecting wirings 5 connect between the plurality of installed bank transformers. Insulating cables 6 are used as the connecting cables 5. Each of the insulating cables 6 for connecting between each of bank transformers are respectively supported by every cable by each insulating support 8 standing on an insulating support base 7 at a predetermined interval. Short pipe-shaped insulating spacers 10 having a diamter nearly equaling to that of the insulating cable 6 are stood on the insulating support 8 at both side of the insulating cable 6, insulating pressurizing plates 11 are arranged so as to straddle on these spacers 10, and screwing each insulating bolts 12 penetrating through the plates 11 at the position of the spacers 10 and screwed with the support 8 presses and fixes the cables 6 to the support 8. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:获得以低成本和节省空间的方式连接多个银行变压器的银行变压器之间的布线结构。 解决方案:多个连接布线5连接在多个安装的银行变压器之间。 绝缘电缆6用作连接电缆5.用于连接每个电力变压器的每个绝缘电缆6分别由每个绝缘支撑件8以预定间隔站立在绝缘支撑座7上的每个电缆支撑。 具有与绝缘电缆6几乎相等的直径的短管状绝缘间隔件10位于绝缘电缆6两侧的绝缘支撑件8上,绝缘加压板11被布置成跨越这些间隔件10, 并且拧紧在间隔件10的位置处穿过板11的每个绝缘螺栓12并与支撑件8拧紧并将电缆6固定到支撑件8.版权所有(C)2005,JPO&NCIPI