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JP2021063684A |
To provide a watthour meter that facilitates attaching and detaching a cover and sealing work.The watthour meter comprises: a measuring device having a case 5A, for measuring electric energy; a communication device 6 attached to the meas...
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JP2021043229A |
To provide a measuring system capable of accurately and easily determining whether a measured value by a watt-hour meter is accurate.A measuring system comprises an operation unit including a start switch and an end switch, an arithmetic...
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JP6840905B1 |
Even when the meter is replaced, the amount of energy used can be calculated correctly from the meter reading of the meter. When the controller (10) receives the identification information of its own instrument sent when the power is tur...
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JP6840503B2 |
To provide means for enabling an electronic watthour meter to be mounted on an existing mounting hole of a cabinet panel.A housing case used to house an electronic watthour meter includes front, side, and rear covers adapted to cover the...
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JP6838610B2 |
A current blocking element assembly is provided and includes first and second current blocking elements, first current blocking element including: first-A electrode layer configured to hold ions; first ion conductive layer configured to ...
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JP6835605B2 |
To provide a monitoring system having a meter with a communication module, the meter being set in a place where meter reading data or a communication including an emergency call can be ensured.A control unit 24 of a gas meter 20 of a mon...
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JP2021018066A |
To measure electric energy used for charging a power storage device of an electric vehicle separately from electric energy used for other applications without increasing the number of watt-hour meters in an electrical power system.An ele...
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JP6829073B2 |
Techniques for detecting electrical meter bypass theft are described herein. In one example, a time-series of voltage-changes and current-changes associated with electrical consumption measured at a meter are obtained. The time series ma...
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JP6761313B2 |
To provide a power charge settlement system in which fuel battery power generation devices are installed in specific dwelling units, some of a plurality of dwelling units and effects of the power generation devices can be effectively cau...
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JP6752511B2 |
To provide an electrical connection structure between a conductor and an electronic circuit board in electrical equipment in which product cost of electrical equipment can be reduced.An electronic circuit board 12 is supported by a base ...
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JP2020137382A |
To realize "the reduction of the cost, a construction period, and a power stop period" or "the suppression of a reverse power" by attaching a power generation connection board with a built-in a power generation connection device to a sys...
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JP6728003B2 |
To enhance the accuracy of measurement by measured value integrating devices without having to use a high-precision oscillator.A measured value integrating device periodically samples input signals with a sampling clock generated from cl...
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JP2020110029A |
To provide a power measurement device and a power measurement method which measure power consumption with high accuracy even when loads in various forms are connected.A power measurement device 100 comprises: a main current sensor 1 that...
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JP6717705B2 |
To properly detect a reverse power flow even in the case of an electric power supply facility connected only to single phase two wires.An electric power system 100 includes: a non-regeneration electric power supply facility 120 connected...
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JP6701752B2 |
To prevent short-circuit due to contact of a terminal with a screw fastening a terminal block cover to a terminal block when attaching/detaching the terminal block cover.A jig 1 for attaching a terminal block cover comprises: a terminal ...
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JP6690473B2 |
The invention provides a measurement device (10) improving user convenience. The measurement device (10) comprises a measurement part which obtains a plurality of measurement values by measuring somequantities and a display partdisplayin...
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JP6678968B1 |
To provide a short-circuit preventive tool capable of preventing a short circuit between different phases in an electric wire fixing screw or an electric wire in an electric wire insertion / removal work for an electric energy meter and ...
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JP6676882B2 |
To provide an electric power measurement system that is easy to install and with which it is possible to lighten a visiting work load.The electric power measurement system comprises: a measurement device 2 which is disposed on an electri...
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JP2020051951A |
To provide an electronic watt-hour meter with which it is possible to prevent the occurrence of a fault or an accident by taking an appropriate measure when an abnormal voltage is measured.When, on a first voltage appearing between one v...
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JP3225723U |
To provide a smart integrated electric meter capable of avoiding a decrease in data processing efficiency due to an excessive amount of communication data, reducing the number of installed communication facilities, improving a power mana...
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JP6670525B2 |
To provide a greenhouse effect gas emission quantity automatic calculation device capable of calculating an emission quantity of greenhouse effect gas using a power meter, and in addition capable of calculating the emission quantity of t...
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JP6672970B2 |
To provide a smart meter that includes a valid period management watch that manages an examination valid period of the smart meter and restricts the use of the valid period management watch after the elapse of the examination valid perio...
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JP6653117B2 |
To obtain integrated power for each mode such as during standby and in operation when integrated power of a measuring apparatus is measured.Instantaneous electric power is calculated from each data of a voltage and a current after A/D co...
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JP2020027075A |
To provide a penetration-type watthour meter for preventing a mischief after the official approval of a watthour, measuring a current by making a primary conductor penetrate it, and attachable to an existing distribution line in a distri...
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JP6635199B2 |
A first power consumption measuring unit 5 measures only the power consumption of a pump 21 that is a reference unit of a liquid chromatograph 2. A second power consumption measuring unit 6 measures only the power consumption of a gas ch...
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JP6629413B2 |
To provide a current sensor, a current measurement module, and a smart meter capable of enabling high accuracy measurement over a wide measuring range with low power consumption.A current sensor comprises: a plurality of magneto-resistiv...
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JP6614166B2 |
The present invention improves accuracy of determination of a cause of occurrence of an abnormality of an energy meter. An external server (30) includes a receiving section (33) configured to receive, from an energy meter (10), informati...
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JP3224120U |
To provide a smart device which reduces measurement cost and is easy to operate and install. The power consumption and voltage are integrated into a base which is mounted in a wall surface, in which an internal live wire circuit and an e...
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JP6612868B2 |
An arrangement for use in a utility meter includes at least one circuit path, a three phase service switch, and a three phase monitoring unit. The at least one circuit path operably couples a source of electrical energy to a load. The se...
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JP6605298B2 |
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JP2019186610A |
To provide a smart meter communication device which can maintain an antenna performance constant even if combined with other electronic apparatuses such as a smart meter and a power meter.The smart meter communication device includes a h...
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JP2019174160A |
To improve accuracy of diagnosing a remaining life of a power transformer.A diagnostic device 1 according to a representative embodiment comprises: a storage unit 17 for storing a measurement result of a load measured by automatic meter ...
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JP2019170100A |
To provide an appliance management system capable of grasping abnormalities in home appliances in advance.There is provided an appliance management system for managing home appliances that consumes or creates electricity, which is an app...
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JP2019161858A |
To provide a distribution network monitoring system that can accurately detect information on power usage.A distribution network monitoring system 10 has LTLSs 7, a receiving unit 53a, and a correction unit 56. The LTLSs 7 have detection...
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JP6572178B2 |
To appropriately control the time in which determination is made to whether a current sensor installation direction is correct or not and whether determination is possible or not.A power management device (10) comprises an acquisition un...
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JP6568176B2 |
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JP6561740B2 |
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JP6559981B2 |
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JP6559982B2 |
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JP6556340B2 |
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JP2019128217A |
To provide a holder for a smart meter which can hold a communication unit stably and is applicable to an existing smart meter.A holder 1 for a smart meter for temporarily holding a communication unit 110 of a smart meter 100 in which a m...
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JP6545367B2 |
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JP2019105493A |
To provide a watt-hour meter and jig for a watt-hour meter capable of avoiding separation of a metering device and a communication device in transportation, facilitating carrying, and enabling attachment/detachment of a cover in an easy ...
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JP2019090667A |
To provide a smart meter with which it is possible to effectively utilize a measuring pulse LED after field installation.A smart meter 1 comprises: an electric power computation unit 17 for computing the amount of electric power on the b...
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JP6519764B2 |
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JP6516100B2 |
To provide a power management system for specifying and using a proper measurement value from measurement values of power measured by plural measuring devices in facilities, to output proper information.A power management system 10 inclu...
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JP6509753B2 |
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JP6503776B2 |
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JP2019061411A |
To efficiently acquire integral power consumption even without increasing memory capacity of a measurement device.A communication system 1 comprises a measurement device 10 and an HGW 20. The measurement device 10 includes an acquisition...
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JP6474796B2 |
A method for counting electricity consumption, which is applicable to count electricity consumption for a plurality of electronic devices by using a smart electricity meter, each of smart switches being respectively connected with one or...
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