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    • 11. 发明专利
    • Measurement device, measurement method, and program
    • 测量设备,测量方法和程序
    • JP2014190972A
    • 2014-10-06
    • JP2013069735
    • 2013-03-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • ISHIHARA MASAHIROKOIZUMI YOSHIAKI
    • G01R21/133
    • PROBLEM TO BE SOLVED: To measure power consumption of a load circuit without equipping with switchover means for switching voltages applied to a measurement device for measuring the power consumption of the load circuit.SOLUTION: A voltage measurement part 11 is connected to plural power lines L1, L2, N for transmitting plural-phase power and measures voltages of individual phases. A current measurement part 12 measures currents applied to plural load circuits LD1-LD3 connected to the plural power lines L1, L2, N. A power measurement part 13 measures power consumption of individual load circuits LD1-LD3 on the basis of the current measured by the current measurement part 12 and either of voltages measured by the voltage measurement part 11 for the plural power lines L1, L2, N. A computation control part 15 corrects the measurement value of power measured by the power measurement part 13 for a load circuit LD1-LD3 of which the voltage used for measuring the power by the power measurement part 13 differs from an actually applied voltage, on the basis of the voltages actually applied to the load circuits LD1-LD3.
    • 要解决的问题:为了测量负载电路的功耗,而没有装备用于切换施加到测量装置的电压的切换装置,用于测量负载电路的功耗。解决方案:电压测量部分11连接到多个电力线L1 ,L2,N,用于发送多相电力并测量各相的电压。 电流测量部分12测量施加到与多个电力线L1,L2,N连接的多个负载电路LD1-LD3的电流。功率测量部13基于由第一电力线L1,L2,N测量的电流来测量各个负载电路LD1-LD3的功耗 电流测量部分12以及由电压测量部分11针对多个电力线L1,L2,N测量的电压中的任一个。计算控制部分15校正由负载电路LD1的功率测量部分13测量的功率的测量值 -LD3,其基于实际施加到负载电路LD1-LD3的电压,由功率测量部13测量功率的电压与实际施加的电压不同。
    • 12. 发明专利
    • Monitoring device, monitoring method, and program
    • 监控设备,监控方法和程序
    • JP2014142189A
    • 2014-08-07
    • JP2013009081
    • 2013-01-22
    • Mitsubishi Electric Corp三菱電機株式会社
    • ISHIHARA MASAHIROKOIZUMI YOSHIAKIHIGUMA TOSHIYASU
    • G01R21/00H02J13/00
    • Y02B70/3266Y04S20/242
    • PROBLEM TO BE SOLVED: To provide a monitoring device or the like capable of accurately determining an operation state of an electric apparatus even when a power generator and/or a power storage device is installed.SOLUTION: A monitoring device 100 determines an operation state of an electric apparatus 500 which is connected to a power supply system 200 connected to at least one of a power generator 300 and a power storage device 400. The monitoring device 100 comprises: a synthesis unit for synthesizing a sensor current output from a current sensor which detects a current flowing into the power supply system 200 from the outside, and a sensor current output from a current sensor which detects a current generated by at least one of the power generator 300 and the power storage device 400; and an operation state determination unit for determining an operation state of the electric apparatus 500 based on a synthesis current synthesized by the synthesis unit.
    • 要解决的问题:即使在安装发电机和/或蓄电装置的情况下,也能够提供能够精确地确定电气设备的运行状态的监视装置等。解决方案:监视装置100确定 连接到与发电机300和蓄电装置400中的至少一个连接的电源系统200的电气设备500.监视装置100包括:合成单元,用于合成从电流传感器输出的传感器电流, 从外部检测流入电力供给系统200的电流,以及从检测由发电机300和蓄电装置400中的至少一个产生的电流的电流传感器输出的传感器电流; 以及操作状态确定单元,用于基于由所述合成单元合成的合成电流来确定所述电气设备500的操作状态。
    • 14. 发明专利
    • Current measuring apparatus and current measuring system
    • 电流测量装置和电流测量系统
    • JP2010066145A
    • 2010-03-25
    • JP2008233178
    • 2008-09-11
    • Mitsubishi Electric Corp三菱電機株式会社
    • HIGUMA TOSHIYASUYABE MASAAKIISHIHARA MASAHIROKUSHIRO NORIYUKI
    • G01R19/00G01R15/18
    • PROBLEM TO BE SOLVED: To provide a small, inexpensive, and easily installable current measuring apparatus and current measuring system safely constructed free of an electric shock and the like. SOLUTION: A current transformer 3 detects a current in an electrical path to which an electric device is connected, and a current detection section 4 outputs a current proportional to a current value from the current transformer 3. A measurement control section 5 measures a current running to the electric device based on an electric signal from the current detection section 4. A power supply section 7 receives electric power from an external communication interface section to generate an operating voltage of the measurement control section 5. A communication control section 6 communicates data signals, such as measurement value data, with an external measurement controller via the communication interface section through a non-contact insulation structure such as electromagnetic inductive radio. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种小型,便宜且易于安装的电流测量装置和电流测量系统,其安全构造而不受电击等的影响。 电流互感器3检测与电气设备连接的电气路径中的电流,电流检测部分4输出与电流互感器3的电流值成比例的电流。测量控制部分5测量 基于来自电流检测部分4的电信号运行到电子装置的电流。电源部分7从外部通信接口部分接收电力以产生测量控制部分5的工作电压。通信控制部分6 通过通信接口部分通过诸如电磁感应无线电的非接触绝缘结构与外部测量控制器通信诸如测量值数据的数据信号。 版权所有(C)2010,JPO&INPIT
    • 15. 发明专利
    • Radio communication device, radio communication method, radio master station and controller
    • 无线电通信设备,无线电通信方法,无线电主站和控制器
    • JP2014030165A
    • 2014-02-13
    • JP2012230336
    • 2012-10-17
    • Mitsubishi Electric Corp三菱電機株式会社
    • KOIZUMI YOSHIAKIHIHARA NAOYUKIISHIHARA MASAHIRO
    • H04B1/38H04W4/04H04W88/02
    • PROBLEM TO BE SOLVED: To efficiently perform radio communication while conforming to a rule for a transmission time.SOLUTION: A radio communication device 1 includes a CPU 17 and a radio communication unit 12. The radio communication unit 12 performs radio communication with a radio master station under the control of the CPU 17. The CPU 17 generates a communication frame to be transmitted to the radio master station, and transfers the generated communication frame to the radio communication unit 12. The radio communication unit 12 transmits the transferred communication frame to the radio master station. The CPU 17 executes communication frame transmission processing in such a manner that the total transmission time of communication frames per predetermined time does not exceed a preset upper limit time.
    • 要解决的问题:为了有效地执行无线电通信,同时符合传输时间的规则。解决方案:无线电通信设备1包括CPU 17和无线电通信单元12.无线电通信单元12执行与无线电主机的无线电通信 CPU17生成要发送到无线主站的通信帧,并将生成的通信帧传送到无线电通信单元12.无线通信单元12将传送的通信帧发送到 无线电主站。 CPU 17以这样的方式执行通信帧发送处理,使得每个预定时间的通信帧的总传输时间不超过预设的上限时间。
    • 18. 发明专利
    • Instrument and system for electric power measurement
    • 用于电力测量的仪器和系统
    • JP2011137782A
    • 2011-07-14
    • JP2010000184
    • 2010-01-04
    • Mitsubishi Electric Corp三菱電機株式会社
    • ISHIHARA MASAHIROYABE MASAAKIHIHARA NAOYUKIHIGUMA TOSHIYASU
    • G01R11/02G01R11/00H02J13/00
    • Y02B90/2653Y04S40/126
    • PROBLEM TO BE SOLVED: To provide an instrument for electric power measurement, or the like which is compact, low-cost, highly convenient and suitable for installation of a large number of instruments.
      SOLUTION: A voltage measurement circuit 16 measures an voltage applied via a power line 13. A current measurement circuit 17 measures current flowing in the power line 13. An A/D conversion unit 5 A/D-converts the voltage value measured by the voltage measurement circuit 16 and a current value measured by the current measurement circuit 17. An arithmetic control unit 6 calculates the measured data of power consumption of an electrical apparatus 4, based on the voltage value and the current value which are A/D-converted by the A/D conversion unit 5. A wireless communication unit 7 sends the measured data of the consumption power of the electrical apparatus 4, calculated by the arithmetic control unit 6, to a power display server 2 via wireless communication. A non-insulated power supply circuit 15 supplies power to the A/D conversion unit 5, the arithmetic control unit 6 and the wireless communication unit 7. The non-insulated power supply circuit 15 comprises a non-insulated circuit, and the voltage measurement circuit 16 is constituted of a resistance voltage divider circuit.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种紧凑,低成本,高度方便且适合于安装大量仪器的电力测量仪器等。 电压测量电路16测量通过电力线13施加的电压。电流测量电路17测量在电力线13中流动的电流.A / D转换单元5对所测量的电压值进行A / D转换 通过电压测量电路16和由电流测量电路17测量的电流值。运算控制单元6基于电压值和作为A / D的电流值来计算电气设备4的功耗的测量数据 由A / D转换单元5转换。无线通信单元7通过无线通信将由运算控制单元6计算出的电气设备4的消耗功率的测量数据发送到功率显示服务器2。 非绝缘电源电路15向A / D转换单元5,运算控制单元6和无线通信单元7供电。非绝缘电源电路15包括非绝缘电路,电压测量 电路16由电阻分压电路构成。 版权所有(C)2011,JPO&INPIT
    • 19. 发明专利
    • Equipment control system
    • 设备控制系统
    • JP2011058722A
    • 2011-03-24
    • JP2009208626
    • 2009-09-09
    • Mitsubishi Electric Corp三菱電機株式会社
    • YABE MASAAKIHIHARA NAOYUKIISHIHARA MASAHIROTORIYAMA KUNIAKIMINESAWA SATOSHIHIGUMA TOSHIYASU
    • F24F11/02F21V23/00H05B37/02
    • Y02B20/40
    • PROBLEM TO BE SOLVED: To provide an equipment control system capable of restricting an increase of scale and costs of a system, capable of restricting deterioration of comfortableness of a user, and capable of saving energy.
      SOLUTION: Each environment measurer group 7 obtains environment information of a predetermined area, and transmits the obtained environment information to an equipment control device 2 with a predetermined timing. Each power measurer 8 measures power consumption of each luminaire 3 and each air conditioner 5, and transmits the date relative to the measured power consumption to the equipment control device 2 with a predetermined timing. The equipment control device 2 forms the lighting control information and the air conditioning control information based on the environment information from the environment measurer group 7 and the data relative to the power consumption from the power measurer 8, and transmits it to a lighting control device 4 and an air conditioning control device 6. The lighting control device 4 and the air conditioning control device 6 respectively controls operation of a corresponding luminaire 3 and a corresponding air conditioner 5 based on the received lighting control information and the air conditioning control information.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够限制系统的规模和成本的增加的能够限制用户的舒适性的劣化并且能够节能的设备控制系统。 解决方案:每个环境测量组7获得预定区域的环境信息,并将所获得的环境信息以预定的定时发送到设备控制设备2。 每个功率测量器8测量每个照明器3和每个空调5的功率消耗,并且以预定的定时将相对于测量的功率消耗的日期发送到设备控制设备2。 设备控制装置2基于来自环境测量组7的环境信息和相对于来自功率测量器8的功耗的数据形成照明控制信息和空调控制信息,并将其发送到照明控制装置4 以及空调控制装置6.照明控制装置4和空调控制装置6分别基于接收的照明控制信息和空调控制信息来控制相应的照明器3和对应的空调机5的操作。 版权所有(C)2011,JPO&INPIT
    • 20. 发明专利
    • Electric power measuring device, and equipment control device
    • 电力测量装置和设备控制装置
    • JP2010181378A
    • 2010-08-19
    • JP2009027503
    • 2009-02-09
    • Mitsubishi Electric Corp三菱電機株式会社
    • HIGUMA TOSHIYASUYABE MASAAKIISHIHARA MASAHIROKUSHIRO NORIYUKI
    • G01R21/00
    • PROBLEM TO BE SOLVED: To provide an electric power measuring device or the like having a configuration or the like for simplifying construction.
      SOLUTION: The electric power measuring device includes clamp type CT(1)2 and CT(2)3 for gripping and attaching an electric power line 1 in order to measure the current in the electric power line 1 whose electric power is to be measured, electrodes 5, 6 and 7 for measuring the voltage in the power line by electrostatic coupling in non-contact via a covering part for covering the power line 1, a current detection unit 8 for detecting the current by the CT(1)2 and CT(2)3 attached to the power line 1, a voltage detection unit 10 for detecting the voltage by the electrodes 5, 6 and 7 attached to the power line 1, a control unit 13 for calculating the electric power in the power line 1 and electric energy obtained by integrating the electric power for a predetermined time based on the current value detected by the current detection unit 8 and the voltage value detected by the voltage detection unit 10 and a communication unit 16 for communicating a signal including data of electric energy.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种具有用于简化构造的构造等的电力测量装置等。

      解决方案:电力测量装置包括用于夹紧和附接电力线1的夹紧型CT(1)2和CT(2)3,以便测量电力线为1的电力线1中的电流 测量用于通过用于覆盖电力线1的覆盖部分非接触的静电耦合来测量电力线中的电压的电极5,6和7,用于通过CT(1)检测电流的电流检测单元8, 2和CT(2)3,用于检测由电力线1连接的电极5,6和7的电压的电压检测单元10,用于计算功率的电力的控制单元13 线路1和通过基于由电流检测单元8检测的电流值和电压检测单元10检测的电压值对预定时间内的电力进行积分而获得的电能和用于传送包括数据的信号的信号的通信单元16 电能 。 版权所有(C)2010,JPO&INPIT