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公开(公告)号：JP2011017348A
公开(公告)日：2011-01-27
申请号：JP2010240764
申请日：2010-10-27
Applicant: Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
Inventor： HIRAIWA HIRONAO , NAKAJIMA KAORU , KOMATSU TAKAHIDE , SATO MOTOYASU , ISHIHARA SEIICHI , TAMURA HIROYUKI , TEJIMA TOMOJI , NAKAHARA SATOSHI , HIGAKI NOBUHIRO , KURODA KIYOSHI
Abstract: PROBLEM TO BE SOLVED: To provide a water feed apparatus capable of dealing with a configuration change in a flexible and inexpensive manner.SOLUTION: A water feed apparatus 1 includes: a plurality of pumps 3; a plurality of inverters 5 that variably control rotation frequency of the pumps corresponding thereto; and a control unit 6 that controls the inverters 5. Each of the inverters 5 includes: a main board 50 having a rectifier 500 that rectifies alternate current power, a power unit 501 that converts the power rectified by the rectifier 500 into alternate current power at a desired frequency, a central control unit 504 that controls the power unit 501, and a communication unit that exchanges information with the outside; and an input-output board 54 having an input terminal that inputs a signal from the outside and an output terminal that outputs a signal to the outside.
Abstract translation: 要解决的问题：提供能够以柔性和便宜的方式处理配置变化的给水设备。解决方案：给水设备1包括：多个泵3; 多个逆变器5，其可变地控制与其对应的泵的旋转频率; 以及控制逆变器5的控制单元6.每个逆变器5包括：具有整流器500的整流器的主板50，将整流器500整流的功率转换成交流电力， 期望的频率，控制功率单元501的中央控制单元504以及与外部交换信息的通信单元; 以及具有输入端子的输入输出板54，输入端子输入来自外部的信号和向外部输出信号的输出端子。
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公开(公告)号：JP2009013600A
公开(公告)日：2009-01-22
申请号：JP2007173728
申请日：2007-07-02
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KANEDA KAZUHIRO , KAWABATA JUNYA , KOMATSU TAKAHIDE
Abstract: PROBLEM TO BE SOLVED: To easily and rapidly attach and detach a door body or a bridging frame installed to an opening of a cabinet. SOLUTION: This cabinet 10 comprises the rectangular opening 14 which is enclosed with frame members 11, the bridging frame 30 horizontally bridging the opening 14, and a lower door 40 for covering a lower section of the opening 14. A fixing structure 5 for fixing the bridging frame 30 to the opening 14 comprises a pair of protrusions 15 and 15 formed on the right and left frame members 11 and 11 of the opening 14 and groove-shaped engaging portions 34 and 34 formed at both ends of the bridging frame 30 to be engaged with the protrusions 15 and 15. The lower door 40 is integrally fixed to the bridging frame 30. By fixing the bridging frame 30 by the fixing structure 5, the lower door 40 can be attached to the opening 14 in a state of being suspended from the protrusions 15 and 15 without the use of a tool etc. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：为了容易且快速地安装和拆卸安装到机柜开口的门体或桥接框架。 解决方案：该机柜10包括矩形开口14，其被框架构件11封闭，桥接框架30水平地桥接开口14，下门40用于覆盖开口14的下部。固定结构5 为了将桥接框架30固定到开口14，包括形成在开口14的左右框架构件11和11上的一对突起15和15，以及形成在桥接框架两端的槽形接合部分34和34 30与凸起15和15接合。下门40一体地固定到桥接框架30.通过固定结构5固定桥接框架30，下门40可以以一种状态安装在开口14上 在不使用工具等的情况下从突起15和15悬挂。版权所有：（C）2009，JPO＆INPIT
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23.发明专利
公开(公告)号：JP2009013599A
公开(公告)日：2009-01-22
申请号：JP2007173727
申请日：2007-07-02
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KANEDA KAZUHIRO , KOMATSU TAKAHIDE
Abstract: PROBLEM TO BE SOLVED: To provide water supply equipment comprising a main reverse flow preventing unit and an auxiliary reverse flow preventing unit installed in parallel, which prevents the water of deteriorated quality stagnating in the auxiliary reverse flow preventing unit from being supplied to a demand place, a method for washing the inside of the auxiliary reverse flow preventing unit, and a reverse flow preventing unit switching method.
SOLUTION: The water supply equipment is equipped with the main reverse flow preventing unit 14 and the auxiliary reverse flow preventing unit 15. The water supply equipment guides the water flowing into a suction opening 12 to a pump via the main reverse flow preventing unit 14 or the auxiliary reverse flow preventing unit 15, pressurizes the water by the pump, and supplies the water to a water supply target position from a discharge opening. The water supply equipment is provided with a drain outlet 48 for discharging the water accumulated in the auxiliary reverse flow preventing unit 15, and a drain outlet opening/closing means (cock 49) for opening and closing the drain outlet.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：为了提供包括并联安装的主逆流防止单元和辅助防逆流单元的供水设备，其防止滞留在辅助防逆流单元中的劣化质量的水被供应到 需要场所，用于清洗辅助防止流动装置的内部的方法和逆流防止装置的切换方法。
解决方案：供水设备配备有主逆流防止单元14和辅助防逆流单元15.供水设备经由主逆流防止将流入吸入口12的水引导到泵 单元14或辅助防逆流单元15通过泵对水进行加压，并将水从排出口供给到供水目标位置。 供水设备设置有排出口48，用于排出积聚在辅助防止流动单元15中的水，以及用于打开和关闭排水出口的排水出口打开/关闭装置（旋塞49）。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2009008034A
公开(公告)日：2009-01-15
申请号：JP2007171517
申请日：2007-06-29
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： MIYAUCHI SHOKO , TEJIMA TOMOJI , KOMATSU TAKAHIDE , KANEDA KAZUHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a direct-coupled type water supply device having a plurality of variable speed motor pumps of parallel running, and performing a stable control with reduced pressure fluctuation by fluctuation in suction pressure during the parallel running. SOLUTION: The direct-coupled water supply device comprises: a plurality of pumps 1 connected to a main water pipe 9; a plurality of frequency converters 2 respectively performing speed change operation of the pumps 1; a discharge side pressure sensor 4; an intake side pressure sensor 10; and a control device 15 controlling these devices, and the water supply device performs the parallel running of the plurality of pumps 1. The control device 15 performs the parallel running of a variable speed pump operated at a variable speed according to detection pressure of the discharge side pressure sensor 4 and a fixed speed pump operated at a predetermined speed. When a frequency command value to the variable speed pump is not 0 Hz, and a water amount of the variable speed pump is a little, the control device 15 performs parallel off stop of the variable speed pump. COPYRIGHT: (C)2009,JPO&INPIT
Abstract translation: 要解决的问题：提供一种具有并联运行的多个变速电动机的直联式供水装置，并且通过平行行驶期间的吸入压力的波动，以减小的压力波动进行稳定的控制。 解决方案：直联式供水装置包括：连接到主水管9的多个泵1; 分别执行泵1的变速操作的多个变频器2; 排出侧压力传感器4; 进气侧压力传感器10; 以及控制这些装置的控制装置15，供水装置执行多个泵1的并联运行。控制装置15根据放电的检测压力进行以变速运转的变速泵的并联运行 侧压力传感器4和以预定速度操作的定速泵。 当变速泵的频率指令值不为0Hz，变速泵的水量少时，控制装置15进行变速泵的并联停止。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2006161791A
公开(公告)日：2006-06-22
申请号：JP2004358881
申请日：2004-12-10
Applicant: Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
Inventor： KANEDA KAZUHIRO , KOMATSU TAKAHIDE , NAKAJIMA KAORU , TEJIMA TOMOJI
Abstract: PROBLEM TO BE SOLVED: To provide a water level control device for a plumbing tank capable of preventing accidents due to abnormality in a circuit inside a water level detecting device in advance.
SOLUTION: The water level control device is equipped with the water level detecting device 34 for outputting a water level detection signal when the water level in a reservoir 14 for storing water inside is higher than a predetermined water level, and a control part 22 for controlling the water level of the reservoir 14 based on the water detection signal for the plurality of water levels from the water level detecting device 34. The control part 22 outputs a detecting device abnormality alarm to the outside if combinations concerning the presence or absence of the water level detecting signals for the plurality of the water levels from the water detecting device 34 are not compatible. For example, if a water level detecting signal for drought water level L
1 is not output from an electrode rod 341 even though a water level detecting signal for a predetermined returned water level L
3 with which a pump 16 can be started is output from an electrode rod 343, a detecting device abnormality alarm is output to the outside.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种能够预先防止水位检测装置内的电路的异常引起的事故的水暖箱的水位调节装置。 解决方案：当水位控制装置配备有水位检测装置34，用于当存储在内部的水的储存器14中的水位高于预定水位时输出水位检测信号，以及控制部分 22，用于基于来自水位检测装置34的多个水位的水检测信号来控制储存器14的水位。如果关于有无的组合，则控制部22向外部输出检测装置异常报警 来自水检测装置34的多个水位的水位检测信号不兼容。 例如，即使用于预定的返回水位L S 3的水位检测信号，也不从电极棒341输出干旱水位L
1 的水位检测信号， 从电极棒343输出可以起动泵16的SB，将检测装置异常警报输出到外部。 版权所有（C）2006，JPO＆NCIPI -
Patent Agency Ranking
公开(公告)号：JP2004092089A
公开(公告)日：2004-03-25
申请号：JP2002252133
申请日：2002-08-29
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KAWAGUCHI HITOSHI , SUGITA MATSUO , YAGI KAORU , KOMATSU TAKAHIDE , NAKANIWA HIROBUMI
Abstract: PROBLEM TO BE SOLVED: To prevent the opening of a check valve from changing due to vibration associated with a pump operation and install the check valve in a small installation space.
SOLUTION: The water supply device is provided with two sets of vertical pumps 12a, 12b installed in parallel, and a check valve 30 installed in a pipe connected to the vertical pumps 12a, 12b. A handle 170 opening/ closing the check valve 30 in maintenance has an oblong protrusion 171 exposing outward and radially and uniformly extending.
COPYRIGHT: (C)2004,JPO-
公开(公告)号：JP2004092088A
公开(公告)日：2004-03-25
申请号：JP2002252130
申请日：2002-08-29
Applicant: Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
Inventor： KAWAGUCHI HITOSHI , SUGITA MATSUO , YAGI KAORU , KOMATSU TAKAHIDE , NAKANIWA HIROBUMI , NAKAHARA SATOSHI
Abstract: PROBLEM TO BE SOLVED: To miniaturize and make compact a water supply device and make it possible to inexpensively and smoothly draw out a control panel slidably to this side from a cabinet.
SOLUTION: Two sets of vertical pumps 12a, 12b parallelly arranged, an inverter device 54 supplying electric power to the vertical pumps 12a, 12b, and a control disc 76 housing various kinds of controllers are provided in the cabinet 10. The control disc 76 is constituted to slidably be drawn out to this side from the cabinet 10, and resin mats 82a, 82b and 84 for frictional reduction are stuck to a sliding contact part between the cabinet 10 and the control disc 76.
COPYRIGHT: (C)2004,JPO-
公开(公告)号：JP2003021052A
公开(公告)日：2003-01-24
申请号：JP2001204016
申请日：2001-07-04
Applicant: Ebara Corp , 株式会社荏原製作所
Inventor： KAWAGUCHI HITOSHI , SUGITA MATSUO , YAGI KAORU , KOMATSU TAKAHIDE
Abstract: PROBLEM TO BE SOLVED: To provide a water supply system having a small and compact structure, and capable of simplifying its maintenance.
SOLUTION: In this water supply system wherein pumps 11, 12 for pressurizing and feeding the water, pipes 15, 16 connected to a suction side and a discharge side of casings of the pumps, motors 13, 14 for driving the pumps, driving power source circuits 23, 24 for supplying the power to the motors, and an electric control circuit 30 for controlling the operation of the pumps are integrally accommodated in a cabinet 10, the motors 13, 14 and the pumps 11, 12 are mounted on the same rotating axes, a rotating shaft of the motor is provided with a pump rotor at its one end and provided with a fan 27, 28 on the other end, and the cooled air in the cabinet is directed to a cooling part 25 of the driving power source circuit by the air current in accompany with the rotation of the fans.
COPYRIGHT: (C)2003,JPOAbstract translation: 要解决的问题：提供一种具有小型紧凑结构的供水系统，并且能够简化其维护。 解决方案：在这种供水系统中，其中用于加压和供给水的泵11,12，连接到泵的吸入侧和排出侧的管道15,16，用于驱动泵的马达13,14，驱动电源 用于向马达提供电力的电路23,24以及用于控制泵的操作的电气控制电路30一体地容纳在机柜10中，马达13,14和泵11,12安装在相同的旋转 轴，电机的旋转轴在其一端设置有泵转子，并且在另一端设置有风扇27,28，并且机壳中的冷却空气被引导到驱动电源的冷却部分25 伴随风扇的旋转伴随着气流的电路。
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公开(公告)号：JP2015059480A
公开(公告)日：2015-03-30
申请号：JP2013193064
申请日：2013-09-18
Applicant: 株式会社荏原製作所 , Ebara Corp
Inventor： TSUKAGOSHI KENTA , KONISHI YASUTAKA , KOMAI MASAKAZU , KOMATSU TAKAHIDE
Abstract: 【課題】ケーシング内の液体が凝固するおそれがある場合に、迅速に液体の温度を上昇させる。【解決手段】給水装置コントローラ500は、羽根車、及び液体の吸い込み口及び吐き出し口が設けられたポンプ200と、前記羽根車を回転駆動するモータ300と、を有する給液装置1000の運転を制御するための運転装置である。給水装置コントローラ500は、ポンプ200内の液体の温度又はポンプ200内の液体の温度に相関する温度を検出する温度検出部540と、温度検出部540によって検出された温度があらかじめ設定された第1しきい値より低くなったら、液体を吐き出し口から吐き出す際の回転方向とは反対の回転方向に羽根車を回転させる制御部550と、を備える。【選択図】図1
Abstract translation: 要解决的问题：当壳体中的液体存在风险时，迅速增加液体的温度凝结。解决方案：供水装置控制器500是用于控制液体供应装置1000的操作的操作装置，其具有： 泵200，其中设置有叶轮和吸入口以及液体的排出口; 以及用于旋转驱动叶轮的马达300。 供水装置控制器500包括：用于检测泵200中的液体的温度的温度检测单元540或与泵200中的液体的温度相关的温度; 以及控制单元550，用于当由温度检测单元540检测到的温度低于预先设定的第一阈值时，使来自排出口的液体沿与旋转方向相反的旋转方向旋转叶轮。
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公开(公告)号：JP2014196709A
公开(公告)日：2014-10-16
申请号：JP2013072857
申请日：2013-03-29
Applicant: 株式会社荏原製作所 , Ebara Corp
Inventor： KONISHI YASUTAKA , KARAKI RYOTARO , OGAWA TAKAHIKO , KOMATSU TAKAHIDE , KOMAI MASAKAZU , TSUKAGOSHI KENTA
Abstract: 【課題】自吸式ポンプが自吸運転を行っているか否かの判定の信頼性を簡易な構成で向上させる。【解決手段】本願発明の自吸式ポンプの運転装置(インバータ30)は、ウェスコポンプ500を可変速に回転駆動する可変速電動機の駆動電流を検出する電流検出器32を備えている。また、インバータ30は、電流検出器32によって検出された駆動電流に基づいて、ウェスコポンプ500が自吸運転をしているか、又は自吸運転以外の通常運転をしているかを判定する判定部33を備えている。可変速電動機の駆動電流に基づいてウェスコポンプ500が自吸運転を行っているか否かの判定を行うので、判定の信頼性を簡易な構成で向上させることができる。【選択図】図2
Abstract translation: 要解决的问题：通过简单的配置来改进自动启动泵在其可靠性判断下执行自吸操作。解决方案：本发明的自吸泵的操作装置（逆变器30）包括： 用于检测用于以可变速度旋转地驱动WESTCO泵500的变速电动机的驱动电流的电流传感器32。 此外，逆变器30包括判断部分33，用于基于由当前传感器检测到的驱动电流来判断WESTCO泵500是否进行自吸操作或执行除了自吸操作之外的正常操作 由于根据变速电动机的驱动电流判断WESTCO泵500是否进行自吸操作，因此能够通过简单的结构来提高判断的可靠性。
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