公开(公告)号：JPH11235051A

公开(公告)日：1999-08-27

申请号：JP4459298

申请日：1998-02-10

Applicant: EBARA DENSAN LTD ,  EBARA CORP

Inventor： SATO MOTOYASU

IPC: H02M7/04 ,  H02M7/12 ,  H02M7/48

Abstract: PROBLEM TO BE SOLVED: To provide a power control module which is small-sized, makes it possible to use an inverter and its controller under wide environments without a problem of dew condensation and so on, and to form easily a program for controlling the operation of a system containing rotating machines to be variable-speed-operated by power supplied by the inverter. SOLUTION: A power module 21 having power elements 23 of a converter section and power elements 24 of an inverter section constituting an inverter, an inverter control module 27 having a CPU element 28 for controlling the inverter, and a sequence control module 30 having a CPU element 31 for controlling the operation of a system to be operated by power supplied by the inverter, are provided. And the inverter control module 27 and the sequence control module 30 are connected electrically so as to give or receive signals mutually, and the sequence control module 30 is loaded with a system program and it is possible to form and change easily application programs which control system operation.

公开(公告)号：JPH09133080A

公开(公告)日：1997-05-20

申请号：JP31756995

申请日：1995-11-10

Applicant: EBARA CORP ,  EBARA DENSAN KK

Inventor： TATEISHI KAZUFUMI ,  TAKADA TSUTOMU ,  SATO MOTOYASU

IPC: F04B49/10 ,  F04B23/14

Abstract: PROBLEM TO BE SOLVED: To improve convenience and provide a control system saving space and reducing cost. SOLUTION: A device comprises a control panel 13 having a central processing unit 14 which performs control of operation, stop, etc., of a pump, remote controller 23 performing various operation settings, various displays and a buzzer alarm of the feed water device to be easily mountable/demountable in/from the control panel and a remote display device 25 performing the various displays and the buzzer alarm of the feed water device in a distant place therefrom. The control panel 13 and the remote controller 23 or the remote display device 25 has a communication function capable of transceiving both informations or data by a fixed communication code, the control panel supplies power source to the remote controller and the remote display device by each two power source lines 26, further a part between the control panel and the remote controller and between the control panel and the remote display device is connected by respective two communication lines 27.

公开(公告)号：JPH08251670A

公开(公告)日：1996-09-27

申请号：JP8193595

申请日：1995-03-13

Applicant: EBARA CORP ,  EBARA DENSAN KK

Inventor： SATO MOTOYASU ,  KIDO KOICHI ,  KAWANISHI TAKU ,  TATEISHI KAZUFUMI ,  SONE CHUICHI

IPC: F24F11/02 ,  H04Q9/00 ,  H04Q9/06 ,  H04Q9/14

Abstract: PURPOSE: To repair an error in connection polarity by automatically inverting connec tion to transmission lines when data are not received even after the elapse of pre scribed time. CONSTITUTION: Plural control devices 1 each of which is provided with a transmitting means 3, a receiving means 4, polarized two-wire communication means 2, and a control part 5 are respectively connected to two transmission lines 8, 9 in parallel and mutually transmit/receive serial data to control respective air conditioning devices for instance. In this case, one of the plural control devices 1 is set up as a master control device and others are set up as slave control devices. Each slave control device 1 is provided with a communication polarity reversing means 10 consisting of a switching relay, a logic element circuit, etc., and a timer. When data are not received from the master control device 1 even after the elapse of prescribed time from its start after the completion of wire connection, the reverse polarity is judged and the polarity of connection to the transmission lines 8, 9 is automatically reversed through a communication polarity reversing means 10. When the automatic reversing operation of connection polarity exceeds the prescribed number of times, the state is judged as a transmission line fault other than a connection error and an alarm is outputted.

公开(公告)号：JPH0787751A

公开(公告)日：1995-03-31

申请号：JP25114893

申请日：1993-09-13

Applicant: EBARA CORP

Inventor： HIRAIWA ICHIRO ,  SATO MOTOYASU

IPC: H02M7/48 ,  H03K7/08

Abstract: PURPOSE:To provide a control circuit of a PWM inverter whose circuit is made extremely simple and which is made low-cost while the performance of the inverter which uses a CPU or the like and whose circuit constitution is complicated is being maintained. CONSTITUTION:The control circuit is provided with a ROM 6 in which PWM signal data which had divided a sine wave of one cycle portion into equal parts and zero-signal data which has been inserted between pieces of equally divided data are stored, with a counter 5 which counts a clock signal and which reads out the content of the ROM sequentially, with a flip-flop 10 which stops the operation of the counter by the zero-signal data in the ROM and with means 16, 17, 18 which release the stop of the flip-flop after the elapse of a definite time and which operate the counter again.

公开(公告)号：JP2006097662A

公开(公告)日：2006-04-13

申请号：JP2004288123

申请日：2004-09-30

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 ,  TEJIMA TOMOJI ,  NAKAHARA SATOSHI ,  HIGAKI NOBUHIRO ,  KURODA KIYOSHI

IPC: F04D15/00 ,  F04B49/06

Abstract: PROBLEM TO BE SOLVED: To provide a control device for a supply water device, and a method for composing the control device at low cost without wasting the performance of control boards for composing a control part. SOLUTION: This control device is for a supply water device, provided with a plurality of pumps, and a control part to control the plurality of the pumps, where a sensor input and an output signal are required for controlling each pump. The control part is composed of a control board for an odd number of pumps or a combination of them, a control board for an even number of pumps or a combination of them, or a combination of control boards for an odd number and a control board for an even number in accordance with the number of pumps. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种用于供水装置的控制装置，以及低成本地组合控制装置的方法，而不浪费用于组成控制部件的控制板的性能。 解决方案：该控制装置用于具有多个泵的供水装置，以及用于控制多个泵的控制部件，其中需要传感器输入和输出信号来控制每个泵。 控制部分由奇数泵或其组合的控制板，偶数泵的控制板或它们的组合组成，或用于奇数和控制板的控制板的组合 按照泵的数量排列偶数。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2004208496A

公开(公告)日：2004-07-22

申请号：JP2003409574

申请日：2003-12-08

Applicant: Ebara Corp ,  Ebara Densan Ltd ,  株式会社荏原製作所 ,  株式会社荏原電産

Inventor： FURUYA YASUSHI ,  KATAOKA TADASHI ,  MCKELVEY TERENCE ,  MARUI HIDEFUMI ,  SATO MOTOYASU ,  OZAWA TAKAHIDE ,  TEI SHIYOUKIN ,  ISHIHARA SEIICHI ,  KINOSHITA NOBORU

IPC: H02J3/38 ,  H02M7/48 ,  H02P9/10

Abstract: PROBLEM TO BE SOLVED: To provide a interconnected power generation system preventing damages to a turbine generator while releasing the interconnected power generation system from an electric power system of the commercial power supply, by detecting power receiving abnormality in the commercial power supply. SOLUTION: The interconnected power generation system comprises a system interconnection inverter 14, a voltage phase shift circuit 20 synchronizing the output voltage phase of the system interconnection inverter 14 to the commercial power voltage phase by monitoring the zero crossing of the commercial power voltage to shift the output voltage phase from the commercial power voltage phase to shift the shifted output voltage phase to the commercial power voltage phase, a phase comparator 24 comparing a voltage phase of a commercial power system 10 with the output voltage phase, and a system interconnection control device 30 detecting power interruption by a power supply cutoff from the commercial power system 10 to transmit a control signal to a breaker 22 to interrupt an output of the system interconnection inverter 14 from the commercial power system 10 based on a conformed signal output from the phase comparator 24 to continue by a prescribed number of times. COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JPH11285260A

公开(公告)日：1999-10-15

申请号：JP10040798

申请日：1998-03-27

Applicant: EBARA DENSAN LTD ,  EBARA CORP

Inventor： SATO MOTOYASU ,  TEI SHIYOUKIN ,  NANBU HIROSHI ,  OKAZAKI YUTAKA

IPC: H02J7/35 ,  H02J3/38 ,  H02M7/48

Abstract: PROBLEM TO BE SOLVED: To provide a control method and its control device for an inverter device, capable of downsizing a device for the connection to a power generating system such as for solar light power generation and a commercial power, and also capable of supplying an AC output current of power factor of 1 to the commercial power side. SOLUTION: In a control method for an inverter device, which converts the DC output of a DC power supply and which is connected to an AC power supply, the phase voltage of a commercial power 4 is detected and used as a command signal, and the output current of an inverter device 2 is detected and used as a feedback signal. Then, the command signal is compared with the feedback signal to generate an error signal. A control signal is formed in such a way as to make the error signal zero, and the inverter 2 is controlled based on this control signal.

公开(公告)号：JPH11206188A

公开(公告)日：1999-07-30

申请号：JP1790098

申请日：1998-01-14

Applicant: EBARA CORP ,  EBARA DENSAN LTD

Inventor： NAKAJIMA KAORU ,  SATO MOTOYASU

IPC: H02M7/48 ,  H02P27/06 ,  H02P7/63

Abstract: PROBLEM TO BE SOLVED: To obtain an inverter device that can grasp electric power, integrating electric energy, electricity charge, or the like. SOLUTION: An inverter device 12 for changing the operation frequency of a three-phase AC electric motor 11 and the rotary speed of an electric motor is provided with a means 13 for detecting electric power being supplied to the electric motor 11 and a means 15 for displaying the detected power. Also, the inverter device 12 has a means for integrating the detected power and it is preferable that the integrated electric energy can be displayed. Furthermore, it is preferable that the inverter device 12 is provided with a means for setting electricity charge per unit electric energy and a means for multiplying the integrated electric energy by the electricity charge per unit electric energy.

公开(公告)号：JPH08331670A

公开(公告)日：1996-12-13

申请号：JP16000695

申请日：1995-06-02

Applicant: EBARA CORP ,  EBARA DENSAN KK

Inventor： SONE CHUICHI ,  TATEISHI KAZUFUMI ,  KAWANISHI TAKU ,  SATO MOTOYASU ,  KIDO KOICHI

IPC: H04Q9/00

Abstract: PURPOSE: To excellently control all the air conditioners by connecting one or plural remote control devices which can be controlled by even three or more pushing priorities with a unit group and further using the remote control device having the same constitution as the rate control device as a centralized control device. CONSTITUTION: A remote control device 12 can be controlled by three or more pushing priorities and the abnormality of an air conditioner 10 is displayed on the display parts 12-1 of all the remote control devices 12 provided on each group. When the unit group is composed of plural air conditioners 10, also the address number of the air conditioner 10 is displayed so as to know the contents of the abnormality and in which of the air conditioners 10 the abnormality is generated. Each remote control device 12 installed at a centralized control roan 20 performs a centralized control for the air conditioner 10 of the unit group with which the control device 12 is connected. In this centralized control room 20, all the functions of the air conditioner 10 for each unit group can be controlled, and when the abnormality is is generated, what abnormality is generated in what air conditioner 10 of which unit group can be displayed.

公开(公告)号：JPH08251680A

公开(公告)日：1996-09-27

申请号：JP8193795

申请日：1995-03-13

Applicant: EBARA CORP ,  EBARA DENSAN KK

Inventor： SATO MOTOYASU ,  KIDO KOICHI ,  KAWANISHI TAKU ,  TATEISHI KAZUFUMI ,  SONE CHUICHI

IPC: F24F11/02 ,  H04Q9/00 ,  H04Q9/14

Abstract: PURPOSE: To obtain a control communication equipment for an air conditioner capable of executing non-polarity/bidirectional data transmission while supplying power from a master equipment to a slave equipment by simplifying circuit constitution and using a common communication line and a power supply line. CONSTITUTION: A master equipment 1 is connected to respective slave equipments 2 through two transmission lines 4 and the master equipment 1 is provided with a means for superposing an ON/OFF signal with a prescribed amplitude level (+7V) to a prescribed DC voltage level (+5V) under control by a monitor and control means (CPU 1-7), transmitting the superposed signal and receiving a signal from the slave equipment 1 through a signal polarity matching circuit 1-5. Each slave equipment 1 is provided with a means for receiving the signal from the master equipment 2 through the circuit 1-5, differentiating the ON/OFF signal with the prescribed amplitude level (+7V) from the DC voltage with the prescribed level (+5V), utilizing the DC voltage of the prescribed level as power supply for the slave equipment 1 itself, and transmitting an ON/OFF signal with a prescribed amplitude level (+12V) to the master equipment 2 through a signal polarity matching circuit 2-1 under control by a control means (CPU 2-5).