JP2012023808A - Switching device, watt-hour meter, and power distribution managing/supporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent illegal use of electric power by illegally switching the operation state of a watt-hour meter.SOLUTION: In a switching device 130, a power supply and a load are electrically shielded when a switch shield instruction is received. An integrated value of a watt-hour meter at the time of shielding is acquired. Shield completion information containing the acquired integrated value and discrimination information of the watt-hour meter is transmitted to a power distribution managing/supporting device 110. Upon receiving a switch connection instruction, the integrated value of the watt-hour meter at the time of receiving the switch connection instruction is acquired. A connection approval request containing the acquired integrated value and the discrimination information of the watt-hour meter is transmitted to the power distribution managing/supporting device 110. Upon receiving connection approval information that has been transmitted from the power distribution managing/supporting device 110 according to the transmitted connection approval request, the power supply and the load are electrically connected.

Description

  The present invention relates to a switch device, a watt-hour meter, and a power distribution management support device that support management operations for power supply and supply stoppage.

  Conventionally, when an electricity supply contract is abolished, power supply processing that stops the supply of electricity at the site where a watt-hour meter (meter) provided in a facility equipped with a load to receive power supply is installed. I was doing it. Conventionally, for example, when a facility that has abolished an electricity supply contract is a rental property, power supply processing for resuming the supply of electricity may be performed after the electricity supply contract is temporarily abolished.

  Conventionally, for example, power processing performed when an electricity supply contract is abolished or when electricity supply is resumed has been performed at a site where a watt-hour meter is installed. In the power supply processing, confirmation of the number of instructions indicated by the watt hour meter when canceling the electricity supply contract and the number of instructions indicated by the watt hour meter when resuming the supply of electricity is performed. Each confirmed number of instructions is used to determine whether or not the number of instructions when the electricity supply contract is abolished and the number of instructions when electricity supply is resumed.

  Moreover, conventionally, for example, when the electricity supply contract is abolished, the above power supply treatment is not performed, and the power receiver (customer) operates the breaker (indoor breaker) provided in the facility equipped with the load facility. In some cases, the contract was abolished. Thus, the efficiency of power supply processing can be improved by simplifying the work performed by the workers of the power company in the field.

  Conventionally, for example, there has been a technique that enables measurement / recording of voltage / current / leakage current, load opening / closing by remote operation, and setting and changing of a measurement pattern (for example, see Non-Patent Document 1 below).

  Conventionally, for example, a power transmission stop / cancellation device stops the supply of power sent via the watt hour meter, or cancels the stop of the power supply, and the stop stop transmitted wirelessly. Technology that provides a wireless communication device that controls opening and closing of a switch based on a solution command, and connects the wireless communication device configured to be separable from the switch while the switch is attached to the watt hour meter (For example, refer to Patent Document 1 below.)

JP 2008-92725 A

Tsubone Koji, “Study on high-functionality meter for automatic meter reading (completion of development of multi-function watt-hour meter)”, Technique News, Chugoku Electric Power Co., Inc., August 23, 2002, No. 64, p. 4

  However, as described above, the conventional technology that abolishes the contract by operating the indoor breaker by the customer, the indoor breaker is illegally operated after the contract is abandoned until the power supply is resumed, and the power is used without permission. There was a problem that sometimes. In this way, if electricity is used without permission even though the contract is being abolished, the landlord or real estate company will not be able to confirm the presence or use of the facility in question or conduct a field survey. There was a problem of being bothersome and annoying. In this case, the confirmation work for the landlord or the real estate company is difficult, and there is a problem that it may be difficult to deal with.

  In addition, in many cases, an electric power company operates such that the power supply is processed during the business hours of the electric power company. In the electric power company that performs such operation, as described above, the power supply processing is performed locally. In the conventional technology for performing the above, there is a situation that it is difficult to cope with the power processing date and time requested by the customer outside the business hours of the power company. For this reason, there is a problem that the customer's request cannot be met and the customer's satisfaction is lowered.

  In addition, as described above, in the conventional technology that performs power processing locally, when the date and time of power processing requested by the customer is outside the business hours of the power company, the customer performs power processing within the business hours of the power company. Since the date and time to be performed must be reconsidered, there was a problem of placing a burden on the customer. This also has the problem of reducing customer satisfaction.

  In addition, in the conventional technology that performs power processing on site as described above, if the date and time of power processing requested by the customer is outside the business hours of the power company, on the condition that the customer's approval has been obtained, In some cases, the power supply processing was performed on the next day or the previous day of the date and time the customer originally requested. There was a problem of lowering satisfaction.

  The present invention provides a switch device, a watt-hour meter, and a power distribution management support device that can prevent unauthorized use of power by illicitly switching the operation state of a watt-hour meter in order to eliminate the above-described problems caused by the prior art. The purpose is to provide.

  In order to solve the above-described problems and achieve the object, a switching device according to the present invention measures an integrated amount of electric power based on a current that is provided between a power source and a load and flows from the power source to the load. A switch device provided in the watt-hour meter, the switch means for connecting the power source and the load so as to be electrically cut-off, a communication means for communicating with a predetermined external device, and the communication means When a switch shutoff instruction is received, a switch control means for controlling the switch means to electrically shut off the power source and the load, and an integrated value of the watt hour meter when the switch control means shuts off is acquired. Shutoff completion notifying means for sending shutoff completion information including the acquired integrated value and identification information of the watt-hour meter to the external device by the communication means; When the switch connection instruction is received by the communication means, the integrated value of the watt hour meter at the time of receiving the switch connection instruction is acquired, and the connection approval request including the acquired integrated value and identification information of the watt hour meter Connection approval request means for transmitting to the external device by the communication means, and the switch control means transmits connection approval information transmitted from the external device in response to the connection approval request transmitted by the connection approval request means. When the power is received, the switch means is controlled to electrically connect the power source and the load.

  The watt-hour meter according to the present invention is a watt-hour meter provided between a power source and a load, and includes a first terminal connected to the power source and a second terminal connected to the load. A measuring means for measuring an integrated value of the electric energy based on a current flowing from the power source to the load; and connecting the power source and the load via the measuring unit so as to be electrically cut off. When the switch means, a communication means for communicating with a predetermined external device, and a switch cutoff instruction are received by the communication means, the switch means is controlled to electrically cut off the power source and the load. A switch control unit, and an integrated value of the watt hour meter at the time of disconnection by the switch control unit, and acquisition completion information including the acquired integrated value and identification information of the watt hour meter is obtained by the communication unit When the switch connection instruction is received by the communication means and the cutoff completion notification means to be transmitted to the external device, the integrated value of the watt-hour meter at the time of receiving the switch connection instruction is acquired, and the acquired integrated value And a connection approval request unit that transmits a connection approval request including identification information of the watt-hour meter to the external device by the communication unit, the connection control request transmitted by the switch control unit by the connection approval request unit When the connection approval information transmitted from the external device is received according to the control, the switch means is controlled to electrically connect the power source and the load.

  Moreover, the power distribution management support apparatus according to the present invention receives from the above switch device first cut-off completion information including an integrated value of the watt hour meter provided with the switch device and identification information of the watt hour meter. Storage means for associating and storing the integrated value and the identification information included in the received cutoff completion information when the cutoff completion information is received by the first receiving means, and the watt hour meter Based on the connection approval information received by the second receiving means, and a second receiving means for receiving a connection approval request including the integrated value and the identification information of the watt-hour meter from the switch device. A match determination means for determining whether or not the integrated value stored in association with the identification information matching the identification information included in the information matches the integrated value included in the connection approval information; Transmission means for transmitting connection approval information to a switch device that is a transmission source of the connection approval request received by the second receiving means when it is determined by the match determination means to be matched. And

  In the power distribution management support device according to the present invention, in the above invention, the switch serving as a transmission source of the connection approval request received by the second receiving unit when the match determining unit determines that they do not match. It is characterized by comprising storage means for storing information relating to the watt-hour meter to which the device is connected.

  A power distribution management support apparatus according to the present invention includes: a first receiving unit configured to receive cutoff completion information including an integrated value of the watt hour meter and identification information of the watt hour meter from the watt hour meter; Storage means for associating and storing the integrated value and the identification information included in the received cutoff completion information when the cutoff completion information is received by one receiving means, the integrated value of the watt-hour meter, and the A second receiving means for receiving a connection approval request including identification information of a watt-hour meter from the switch device, and an identification included in the connection approval information based on the connection approval information received by the second receiving means Match determination means for determining whether or not the integrated value stored in association with the identification information that matches the information matches the integrated value included in the connection approval information, and the match determination means When it is determined that, characterized by comprising a transmitting means for transmitting a connection approval information to the transmission source to become wattmeter of received connection approval request by said second receiving means.

  In the power distribution management support device according to the present invention, in the above invention, when it is determined by the match determining means that they do not match, the power serving as the transmission source of the connection approval request received by the second receiving means A storage means for storing information relating to the meter is provided.

  The switch device according to the present invention is a switch device provided between a power source and a load, and provided in a watt-hour meter that measures an integrated value of power based on a current flowing from the power source to the load. The switch means for electrically disconnecting the power source and the load, the communication means for communicating with a predetermined external device, and the switch means when receiving the switch cutoff instruction by the communication means. Switch control means for electrically shutting off the power source and the load by controlling the means, storage means for storing the integrated value of the watt-hour meter at the time of shutoff by the switch control means, and switch connection instruction by the communication means When the switch connection instruction is received, the integrated value of the watt-hour meter is acquired, and the acquired integrated value and the storage means are acquired. A match determination means for determining whether or not the integrated values stored in the memory match, and when the match determination means determines that they match, the switch means is controlled to electrically connect the power source and the load. It is characterized by connecting to.

  The watt-hour meter according to the present invention is a watt-hour meter provided between a power source and a load, and includes a first terminal connected to the power source and a second terminal connected to the load. A measuring means for measuring an integrated amount of electric power based on a current flowing from the power source to the load; and connecting the power source and the load via the measuring means so as to be electrically cut off. When the switch means, a communication means for communicating with a predetermined external device, and a switch cutoff instruction are received by the communication means, the switch means is controlled to electrically cut off the power source and the load. A switch control means; a storage means for storing the integrated value of the watt-hour meter when shut off by the switch control means; and a switch connection instruction when the switch connection instruction is received by the communication means. The coincidence determining means for acquiring the integrated value of the watt-hour meter at the time of reception, and determining whether or not the acquired integrated value and the integrated value stored by the storage means match, and the match determining means When it is determined that they match, the switch means is controlled to electrically connect the power source and the load.

  According to the switch device, the watt-hour meter, and the power distribution management support device according to the present invention, there is an effect that unauthorized use of power due to illicit switching of the operation state of the watt-hour meter can be prevented.

It is explanatory drawing which shows the system configuration | structure of the power distribution management assistance system of Embodiment 1 concerning this invention. It is explanatory drawing which shows the hardware constitutions of the switch apparatus in the power distribution management assistance system of Embodiment 1 concerning this invention. It is explanatory drawing which shows the hardware constitutions of the power distribution management assistance apparatus in the power distribution management assistance system of Embodiment 1 concerning this invention. It is a block diagram which shows the functional structure of the power distribution management assistance system of Embodiment 1 concerning this invention. It is a flowchart which shows the process sequence of the power distribution management assistance apparatus in the power distribution management assistance system of Embodiment 1 concerning this invention. It is a flowchart which shows the process sequence of the switch apparatus in the power distribution management assistance system of Embodiment 1 concerning this invention. It is explanatory drawing which shows the system configuration | structure of the power distribution management assistance system of Embodiment 2 concerning this invention. It is explanatory drawing which shows the hardware constitutions of the watt-hour meter in the power distribution management system of Embodiment 2 concerning this invention. It is a block diagram which shows the functional structure of the power distribution management assistance system of Embodiment 2 concerning this invention.

  Exemplary embodiments of a switch device, a watt-hour meter, and a power distribution management support device according to the present invention will be explained below in detail with reference to the accompanying drawings.

(Embodiment 1)
(System configuration of power distribution management support system)
First, the power distribution management support system according to the first embodiment of the present invention will be described. FIG. 1 is an explanatory diagram showing the system configuration of the power distribution management support system according to the first embodiment of the present invention. In FIG. 1, a power distribution management support system 100 according to the first embodiment of the present invention includes a power distribution management support device 110 and a watt hour meter 120. In the power distribution management support system 100, a plurality of watt-hour meters 120 are provided. Each watt-hour meter 120 is provided with a switch device 130. The switch device 130 will be described later.

  The power distribution management support device 110 and the watt-hour meter 120 are provided to be able to communicate with each other via a network 140 such as the Internet, for example. In the power distribution management support system 100, the power distribution management support device 110 and the watt hour meter 120 may be connected via a dedicated network owned by, for example, a power company that operates the power distribution management support system 100.

  The watt hour meter 120 includes a main body 121 and a connection terminal block 122. The main body 121 includes a measuring unit 123 and a display unit 124. The metering unit 123 measures the integrated value of the amount of power supplied to the watt-hour meter 120. The display unit 124 displays information related to the integrated value of the electric energy measured by the measuring unit 123. The display content on the display unit 124 can be viewed from the outside of the watt-hour meter 120.

  The metering unit 123 in the watt hour meter 120 multiplies the voltage and current based on the power supplied to the watt hour meter 120, and integrates the multiplication result to provide the power supplied to the watt hour meter 120. Weigh the integrated amount. The metering unit 123 in the watt-hour meter 120 includes an input conversion unit, a multiplication processing unit, and a frequency dividing circuit unit (all are not shown).

  The input conversion unit in the metering unit 123 of the watt-hour meter 120 converts the voltage level and current level of the supplied power into a first terminal (not shown) connected to the power source and a second connected to the load. The voltage and current are converted into values corresponding to the voltage level and current level of an electronic circuit configured between terminals (not shown). The load can be realized by a facility that consumes the electric power of the electric device to which the electric power that has passed through the watt-hour meter 120 is supplied.

  The multiplication processing unit in the metering unit 123 of the watt-hour meter 120 generates a pulse signal proportional to the supplied electric energy by the multiplication processing based on the voltage level and the current level converted by the input conversion unit. The frequency dividing circuit unit in the metering unit 123 of the watt-hour meter 120 converts the clock frequency of the pulse signal generated by the multiplication processing unit to a predetermined clock frequency lower than the clock frequency. Such a metering unit 123 performs an integration process based on the pulse signal converted into a predetermined clock frequency by the frequency dividing circuit unit and measures the integrated value of the electric energy.

  In the case of the electronic watt-hour meter 120 as described above, the metering unit 123 in the watt-hour meter 120 performs time division multiplication (analog multiplication) that performs pulse width modulation during multiplication, or ΔΣ · A / D conversion multiplication. Measure the integrated amount of power using a multiplication method such as a method (digital multiplication). The time division multiplication method (analog multiplication), the ΔΣ · A / D conversion multiplication method (digital multiplication), and the configuration of the measuring unit 123 in the electronic watt-hour meter 120 can be easily realized using various known techniques. Therefore, explanation is omitted.

  The connection terminal block 122 includes a first terminal and a second terminal. Each of the first terminal and the second terminal is provided in plural (for example, three), and each of them forms a pair (for example, three pairs). Each of the first terminals is connected to a power source. The power source can be realized, for example, by a power supply source for the watt hour meter 120. The 1st terminal is connected to the power distribution line connected to a power station or a power transmission line. Each of the second terminals is connected to a load.

  The weighing unit 123 is provided between the first terminal and the second terminal. The first terminal and the second terminal are electrically connected via the measuring unit 123, respectively. The electricity supplied from the power source to the watt hour meter 120 via the first terminal passes through the measuring unit 123 and is supplied to the load via the second terminal.

  The metering unit 123 measures the amount of power supplied from the power source side to the load side via the first terminal, the metering unit 123, and the second terminal, that is, via the power meter 120. The measuring unit 123 can measure the amount of electric power based on the voltage value and the current value in the electric power supplied to the watt hour meter 120.

  The watt hour meter 120 includes a communication terminal (not shown). The communication terminal is a terminal provided for transmitting a pulse signal each time a certain amount of electric power is reached. By providing this communication terminal, the amount of electric power can be confirmed even in a remote place. The communication terminal is connected to the power distribution management support apparatus 110 via the network 140 described above. Thereby, the watt-hour meter 120 can transmit the information regarding electric energy to the power distribution management assistance apparatus 110 via said network 140, for example via a dedicated communication network.

  In the watt-hour meter 120, a communication line (not shown) is fixed to each communication terminal using a screw (not shown). This communication line is connected to the network 140 described above, whereby various information can be transmitted from the switch device 130 to the power distribution management support device 110 via the watt-hour meter 120. About the communication terminal in the watt-hour meter 120 and the communication method using the said communication terminal, since it is easily realizable using well-known various techniques, description is abbreviate | omitted.

  The watt-hour meter 120 according to the first embodiment of the present invention is not limited to the electronic watt-hour meter 120 as long as it has a communication function. The watt hour meter 120 may be, for example, an inductive watt hour meter. In the case of the inductive watt hour meter, the metering unit 123 measures the power amount by a different metering method from the electronic watt hour meter 120. Since the measuring method of the electric energy in the measuring unit 123 provided in the induction type electric energy meter is a known technique, the description thereof is omitted.

(Hardware configuration of switch device 130)
Next, a hardware configuration of the switch device 130 according to the first embodiment of the present invention will be described. FIG. 2 is an explanatory diagram showing a hardware configuration of the switch device 130 in the power distribution management support system 100 according to the first embodiment of the present invention. In FIG. 2, the switch device 130 according to the first embodiment of the present invention is provided between the first terminal and the second terminal of the watt hour meter 120, and passes through the measuring unit 123 of the watt hour meter 120. Connect the power supply and the load so that they can be electrically disconnected.

  The switch device 130 includes a CPU 201, a ROM 202, a RAM 203, a switch circuit 204, and a communication interface (hereinafter referred to as “communication I / F”) 205. Each unit 201 to 205 included in the switch device 130 is connected by a bus 206.

  The CPU 201 controls the entire switch device 130. The ROM 202 stores various programs executed by the CPU 201. The RAM 203 functions as a work area when the CPU 201 executes various programs stored in the ROM 202. The CPU 201 controls the entire switching device 130 by executing various programs recorded in the ROM 202 while using the RAM 203 as a work area.

  The switch circuit (opening / closing circuit) 204 can be realized by an electric circuit that electrically connects the power source and the load or cuts off the electrical connection by being driven and controlled by the CPU 201. That is, the switch circuit 204 connects the power source and the load so as to be able to be electrically disconnected. The configuration and operation of the switch circuit 204 can be easily realized by using various known techniques, and thus description thereof is omitted.

  The communication I / F 205 is connected to a network 140 such as the Internet, and is connected to the power distribution management support apparatus 110 via the network 140. The communication I / F 205 controls an interface between the network 140 and the inside of the switch device 130 and controls data input / output between the switch device 130 and the power distribution management support device 110.

  For example, the switch device 130 communicates with the watt hour meter 120 via the communication I / F 205 by executing various programs recorded in the ROM 202 by the CPU 201 while using the RAM 203 as a work area of the CPU 201. Information on the amount of power measured by the watt hour meter 120 is acquired, or information on the amount of power measured by the watt hour meter 120 is transmitted to the power distribution management support apparatus 110.

  Further, the switch device 130 receives information about various instructions transmitted from the power distribution management support device 110 via the watt-hour meter 120 by communicating with the watt-hour meter 120 via the communication I / F 205, for example. The switch circuit 204 is opened or the switch circuit 204 is closed.

(Hardware configuration of power distribution management support device 110)
Next, a hardware configuration of the power distribution management support apparatus 110 according to the first embodiment of the present invention will be described. FIG. 3 is an explanatory diagram showing a hardware configuration of the power distribution management support apparatus 110 in the power distribution management support system 100 according to the first embodiment of the present invention.

  3, the power distribution management support apparatus 110 according to the first embodiment of the present invention includes a CPU 301, a ROM 302, a RAM 303, an HDD 304, an HD 305, and a communication I / F 306. The units 301 to 306 included in the power distribution management support apparatus 110 are connected to each other by a bus 307. The power distribution management support device 110 can be realized by a general-purpose computer device such as a personal computer, for example.

  The CPU 301 controls the entire power distribution management support apparatus 110. The ROM 302 stores various programs executed by the CPU 301. The RAM 303 functions as a work area when the CPU 301 executes various programs stored in the ROM 302. The CPU 301 controls the entire power distribution management support apparatus 110 by executing various programs recorded in the ROM 302 while using the RAM 303 as a work area.

  The HDD 304 controls reading / writing of data with respect to the HD 305 according to the control of the CPU 301. The HD 305 stores data written under the control of the HDD 304. For example, the HDD 304 is provided with a database (see FIG. 4) that stores the integrated value of the watt hour meter 120 and the identification information of the watt hour meter 120 in association with each other.

  The identification information of the watt hour meter 120 is information unique to each watt hour meter 120 and can be realized by, for example, the serial number of each watt hour meter 120. Further, the identification information of the watt-hour meter 120 may be realized by information arbitrarily set by an operator of the power distribution management support system 100 such as an electric power company.

  In the database, information indicating the state of each watt-hour meter 120 is stored. Information indicating the state of each watt hour meter 120 is stored in association with the identification information of the watt hour meter 120. The state of the watt-hour meter 120 is set to one of a plurality of states such as “contract abolition / locking”, “in use / unlocking”, and “status confirmation”.

  In the database, the identification information of the watt-hour meter 120 and the contract number are stored in association with each other. In the database, the identification information and the contract number of the watt-hour meter 120 can be stored in association with each other in advance by, for example, an employee of the power company when the contract between the customer and the power company is started. Or you may make it implement | achieve the identification information of the watt-hour meter 120 with a contract number.

  In the power distribution management support apparatus 110, various removable recording media such as an FD (flexible disk), a CD-ROM (CD-RW), an MO, and a DVD (Digital Versatile Disc) are used instead of or in addition to the HD 305. May be used. In this case, the computer apparatus that implements the power distribution management support apparatus 110 includes a drive that controls reading / writing of data with respect to various recording media.

  The communication I / F 306 is connected to a network 140 such as the Internet, and is connected to each watt-hour meter 120 via the network 140. The communication I / F 306 controls an interface between the network 140 and the power distribution management support apparatus 110 and controls data input / output between the switch device 130 and the power distribution management support apparatus 110.

  The power distribution management support apparatus 110 may include an input device such as a keyboard and a mouse, a display, and the like. In this case, the input device accepts an input operation by the operator of the power distribution management support device 110 and outputs a signal corresponding to the accepted operation content to the CPU 301. The display is driven and controlled by the CPU 301 and displays predetermined information.

  In this case, for example, the display includes information related to the integrated value of the watt hour meter 120 stored in the database, identification information of the watt hour meter 120 corresponding to each integrated value, and the watt hour meter 120 installed therein. Information such as information (for example, name, address, telephone number) regarding the facility manager (customer using electricity) is displayed. Since an input device such as a keyboard and a mouse and a display are known techniques, illustration and description thereof are omitted.

(Functional configuration of power distribution management support system 100)
Next, a functional configuration of the power distribution management support system 100 according to the first embodiment of the present invention will be described. FIG. 4 is a block diagram showing a functional configuration of the power distribution management support system 100 according to the first embodiment of the present invention. In FIG. 4, the power distribution management support system 100 according to the first embodiment of the present invention includes a power distribution management support device 110 and a switch device 130.

(Functional configuration of power distribution management support device 110)
The power distribution management support apparatus 110 includes an instruction transmission unit 410, a first reception unit 411, a storage unit 412, a database 413, a second reception unit 414, a match determination unit 415, and a transmission unit 416. It is prepared for. The distribution management support apparatus 110 includes an instruction transmission unit 410, a first reception unit 411, a storage unit 412, a database 413, a second reception unit 414, a match determination unit 415, and a transmission unit 416. This can be realized by the units 301 to 306 provided.

  The instruction transmission unit 410 transmits corresponding instruction information to the switch device 130 provided in the watt-hour meter 120 whose state has changed. For example, the instruction transmission unit 410 transmits a switch cutoff instruction to the switch device 130 provided in the watt-hour meter 120 installed in the facility whose contract has been abolished. The switch cutoff instruction can be realized by instruction information for cutting off the supply of power from the power source to the load via the switch device 130.

  In addition, the instruction transmission unit 410 transmits a switch connection instruction to the switch device 130 provided in the watt-hour meter 120 installed in the facility for resuming the contract, for example. The switch connection instruction can be realized by instruction information for resuming the supply of power from the power source to the load via the switch device 130.

  The instruction information such as the switch cutoff instruction and the switch connection instruction corresponds to, for example, when the operator performs a predetermined input operation on the power distribution management support apparatus 110 via the input device included in the power distribution management support apparatus 110. The power is output to the switch device 130 provided in the watt-hour meter 120.

  In addition, for example, the instruction information such as the switch shut-off instruction and the switch connection instruction is for a customer to perform a predetermined input operation on a terminal device connected to the power distribution management support device 110 such as a customer's own personal computer device or mobile phone. As a result, when predetermined information is input to the power distribution management support apparatus 110 via the network 140 such as the Internet, the information is output to the switch apparatus 130 provided in the corresponding watt-hour meter 120.

  The first receiving unit 411 receives from the switch device 130 cutoff completion information including the integrated value of the watt hour meter 120 and the identification information of the watt hour meter 120. The integrated value of the watt hour meter 120 is measured in each watt hour meter 120. The first reception unit 411 receives the cutoff completion information output via the communication terminal of the watt hour meter 120 under the control of the switch device 130.

  The storage unit 412 extracts the integrated value and the identification information included in the blocking completion information from the received blocking completion information when the first receiving unit 411 receives the blocking completion information, and the extracted integrated value And the identification information are stored in the database 413 in association with each other. In addition to the integrated value and identification information extracted from the block completion information, the storage unit 412 may associate and store information on the date and time when the block completion information is received in the database 413.

  The second receiving unit 414 receives a connection approval request including the integrated value of the watt hour meter 120 and the identification information of the watt hour meter 120 from the switch device 130. The connection approval request is transmitted from the switch device 130 that has received the switch connection instruction transmitted from the power distribution management support device 110.

  The connection approval request includes the integrated value in the watt-hour meter 120 provided with the switch device 130 and the identification information of the watt-hour meter 120. The integrated value of the watt hour meter 120 can be acquired from the watt hour meter 120 when the switch device 130 that has received the switch connection instruction communicates with the watt hour meter 120.

  Based on the connection approval request received by the second receiving unit 414, the coincidence determination unit 415 stores the integrated value and the connection approval request stored in association with the identification information that matches the identification information included in the connection approval request. It is determined whether or not the integrated value included in the value matches. When the second reception unit 414 receives a connection approval request, the match determination unit 415 extracts identification information included in the received connection approval request. Next, with reference to the database 413, it is determined whether or not there is identification information that matches the extracted identification information. If there is identification information that matches the extracted identification information in the database 413, the integrated value stored in association with the identification information determined to match in the database 413 is acquired. Then, it is determined whether or not the integrated value acquired from the database 413 matches the integrated value included in the connection approval request.

  The transmission unit 416 transmits the connection approval information to the switch device 130 that is the transmission source of the connection approval request received by the second reception unit 414 when the match determination unit 415 determines that they match. The connection approval information includes the identification information of the watt-hour meter 120 provided with the switch device 130 that is the transmission source of the connection approval request, and the energization from the power source to the load via the watt-hour meter 120 identified by the identification information. Information for instructing.

(Functional configuration of switch device 130)
The switch device 130 includes a communication unit 420, a switch unit 421, a switch control unit 422, a connection approval request unit 423, a cutoff notification unit 424, and an integrated value acquisition unit 425. The communication unit 420, the switch unit 421, the switch control unit 422, the connection approval request unit 423, the cutoff notification unit 424, and the integrated value acquisition unit 425 included in the switch device 130 are realized by the units 201 to 205 included in the switch device 130. Can do.

  The communication unit 420 is connected to a network 140 such as the Internet, and performs communication with the power distribution management support apparatus 110. The switch unit 421 connects the power source and the load via the watt-hour meter 120 so as to be electrically cut off. When the switch control unit 422 receives a switch cutoff instruction from the communication unit 420, the switch control unit 422 controls the switch unit 421 to electrically shut off the power source and the load.

  The cutoff notification unit 424 acquires the integrated value of the watt hour meter 120 at the time of cutoff by the switch control unit 422, generates cutoff completion information including the acquired integrated value and identification information of the watt hour meter 120, and is generated Blocking completion information is transmitted to the power distribution management support apparatus 110 by the communication unit 420. The integrated value of the watt hour meter 120 at the time of interruption by the switch control unit 422 can be acquired by performing communication between the switch device 130 and the watt hour meter 120.

  When the communication unit 420 receives the switch connection instruction, the connection approval request unit 423 acquires the integrated value of the watt-hour meter 120 when the switch connection instruction is received, and the acquired integrated value and the watt-hour meter 120 A connection approval request including identification information is transmitted to the power distribution management support apparatus 110 by the communication unit 420. Upon receiving the connection approval request transmitted from the switch device 130, the power distribution management support device 110 performs the above-described matching determination process, and if they match, the power distribution management support device 110 approves connection to the switch device 130 that is the transmission source of the connection approval request. Send information.

  When the switch control unit 422 receives the connection approval information transmitted from the power distribution management support apparatus 110 in response to the connection approval request transmitted by the connection approval request unit 423, the switch control unit 422 controls the switch unit 421 to supply power and load. Are electrically connected. As described above, in the first embodiment, every time the switch unit 421 is controlled by the control of the switch control unit 422 to electrically connect the power source and the load, the integrated value of the watt-hour meter 120 prior to the connection. Information related to the distribution management support apparatus 110 is transmitted.

(Processing procedure in power distribution management support system 100)
(Processing procedure of power distribution management support device 110)
Next, a processing procedure in the power distribution management support system 100 according to the first embodiment of the present invention will be described. FIG. 5 is a flowchart showing a processing procedure of the power distribution management support apparatus 110 in the power distribution management support system 100 according to the first embodiment of the present invention.

  In the flowchart shown in FIG. 5, the power distribution management support apparatus 110 in the power distribution management support system 100 according to the first embodiment of the present invention first determines whether or not there is a cutoff instruction (step S501). In step S501, for example, by determining whether or not a predetermined input operation has been performed by an operator of the power distribution management support apparatus 110, it is possible to determine whether or not there has been a blocking instruction. In this case, the predetermined input operation is accompanied by input of identification information of the watt-hour meter 120.

  Further, in step S501, for example, it is determined whether or not there is a blocking instruction by determining whether or not predetermined instruction information is input from an external device such as a customer's personal computer via the communication I / F 306. You may make it do. In this case, in the operation of the power distribution management support system 100, the customer can apply for a change (contract cancellation) from a predetermined homepage. When applying for a transfer from a predetermined homepage, identification information of the watt-hour meter 120 is input. The transfer application method from a predetermined homepage and the technology for realizing the application can be easily realized by using a known technology, and thus description thereof is omitted.

  In step S501, when there is a cutoff instruction (step S501: Yes), a switch cutoff instruction is transmitted to the switch device 130 provided in the corresponding watt-hour meter 120 (step S502). The corresponding watt-hour meter 120 can be specified based on the identification information of the watt-hour meter 120 input together with the information used when it is determined in step S501: Yes that there is a cutoff instruction.

  Then, it waits until the cutoff completion information corresponding to the switch cutoff instruction transmitted in step S502 is received (step S503: No), and when the cutoff completion information is received (step S503: Yes), the received cutoff completion is received. The integrated value of the watt-hour meter 120 and the information related to the identification information of the watt-hour meter 120 included in the information are associated with each other and stored in the database 413 (step S504), and the series of processing ends.

  On the other hand, in step S501, when there is no blocking instruction (step S501: No), it is determined whether or not there is a restart instruction (step S505). In step S505, for example, it is possible to determine whether or not there is a restart instruction by determining whether or not a predetermined input operation has been performed by an operator of the power distribution management support apparatus 110. In this case, the predetermined input operation is accompanied by input of identification information of the watt-hour meter 120.

  Further, in step S505, for example, it is determined whether or not a restart instruction has been made by determining whether or not predetermined instruction information has been input from an external device such as a customer's personal computer via the communication I / F 306. You may make it do. In this case, in the operation of the power distribution management support system 100, the customer can apply for a change (reuse) with input of identification information of the watt-hour meter 120 from a predetermined homepage.

  In step S505, when there is no restart instruction (step S505: No), the process returns to step S501. In step S505, when there is a restart instruction (step S505: Yes), a switch connection instruction is transmitted to the switch device 130 provided in the corresponding watt-hour meter 120 (step S506). The corresponding watt-hour meter 120 can be specified based on the identification information of the watt-hour meter 120 input together with the information used when determining that there is a restart instruction in Step S505: Yes.

  And it waits until the connection approval request corresponding to the switch connection instruction transmitted in step S506 is received (step S507: No), and when the connection approval request is received (step S507: Yes), the received connection approval is received. The integrated value of the watt-hour meter 120 and the identification information of the watt-hour meter 120 included in the request are extracted (step S508).

  Next, with reference to the database 413, it is determined whether there is identification information that matches the identification information of the watt-hour meter 120 extracted in step S508 (step S509). If there is no matching identification information (step S509: No), the series of processing ends. When there is no matching identification information, for example, predetermined error processing such as notification of information indicating that there is no matching identification information may be performed.

  If there is matching identification information in step S509 (step S509: Yes), the integrated value of the watt-hour meter 120 stored in the database 413 in association with the matching identification information is received in step S507: Yes. It is determined whether or not the integrated values of the watt-hour meter 120 included in the received connection approval request match (step S510).

  In step S510, the integrated value of the watt-hour meter 120 included in the connection approval request received in step S507: Yes is added to the integrated value of the watt-hour meter 120 stored in association with the matching identification information in the database 413. Are determined to match (step S510: Yes), the connection approval information is transmitted to the switch device 130 that is the transmission source of the connection approval request received in step S507: Yes (step S511).

  Thereafter, it is determined whether or not connection completion information corresponding to the connection approval information transmitted in step S511 has been received (step S512). The connection completion information is information indicating that the electrical connection between the power source and the load is completed in the switch device 130 that has received the connection approval information transmitted in step S511, and the electrical connection between the power source and the load. When the connection is completed, it is transmitted from the switch device 130 to the power distribution management support device 110.

  In step S512, when connection completion information corresponding to the connection approval information transmitted in step S511 is received (step S512: Yes), the process proceeds to step S504, and the state of the watt-hour meter 120 in the database 413 is changed to “in use”. / Unlocking ”.

  If connection completion information corresponding to the connection approval information transmitted in step S511 has not been received (step S512: No), it is determined whether or not a predetermined time has elapsed since the connection approval information was transmitted in step S511. (Step S513). In step S513, for example, it is determined whether or not a predetermined time arbitrarily set by an administrator of the power distribution management support apparatus 110 has elapsed.

  In step S513, when the predetermined time has not elapsed since the connection approval information was transmitted in step S511 (step S513: No), the process returns to step S512 and transmitted in step S511 until the predetermined time elapses. It is determined whether or not connection completion information corresponding to the received connection approval information has been received. On the other hand, in step S513, when a predetermined time has elapsed since the connection approval information was transmitted in step S511 (step S513: Yes), the series of processing ends.

  In step S510, the integrated value of the watt-hour meter 120 stored in association with the matching identification information in the database 413 is added to the integrated value of the watt-hour meter 120 included in the connection approval request received in step S507: Yes. When the integrated values do not match (step S510: No), the list information related to the watt-hour meter 120 with which the integrated values of the watt-hour meter 120 do not match is stored (step S514), and the series of processing ends.

  In step S514, for example, the identification information of the watt hour meter 120 whose integrated value of the watt hour meter 120 does not match, the customer (contractor) who receives power supply via the watt hour meter 120, and the watt hour meter 120 Information related to the installation position is stored in a predetermined area of the HD 305. The list information stored in a predetermined area of the HD 305 is read when, for example, a predetermined input operation is performed on the power distribution management support apparatus 110, and is displayed via a display or a printer connected to the power distribution management support apparatus 110. Is output in a visualized state. Alternatively, when a predetermined input operation is performed on another computer apparatus connected to the power distribution management support apparatus 110 and a list information output request is received from the computer apparatus, the information is output to the computer apparatus. It may be a thing.

(Processing procedure of switch device 130)
FIG. 6 is a flowchart showing a processing procedure of the switch device 130 in the power distribution management support system 100 according to the first embodiment of the present invention. In the flowchart shown in FIG. 6, the switch device 130 in the power distribution management support system 100 according to the first embodiment of the present invention first determines whether or not the switch cutoff instruction transmitted from the power distribution management support device 110 has been received. (Step S601).

  In step S601, when the switch cutoff instruction transmitted from the power distribution management support apparatus 110 is received (step S601: Yes), the switch circuit 204 is driven to cut off the electrical connection between the power source and the load ( In step S602), an integrated value of the watt-hour meter 120 at the time of interruption in step S602 is acquired (step S603).

  Then, based on the integrated value of the watt-hour meter 120 and the identification information of the watt-hour meter 120 acquired in step S603, cutoff completion information including the integrated value and the identification information is generated (step S604). Thereafter, the shutoff completion information generated in step S604 is transmitted to the power distribution management support apparatus 110 (step S605), and the series of processing ends.

  On the other hand, when the switch cutoff instruction transmitted from the power distribution management support apparatus 110 has not been received in step S601 (step S601: No), whether or not the switch connection instruction transmitted from the power distribution management support apparatus 110 has been received. Is determined (step S606). If the switch connection instruction transmitted from the power distribution management support apparatus 110 has not been received in step S606 (step S606: No), the process returns to step S601.

  When the switch connection instruction transmitted from the power distribution management support apparatus 110 is received in step S606 (step S606: Yes), the integrated value of the watt-hour meter 120 is acquired (step S607). Then, based on the integrated value of the watt hour meter 120 and the identification information of the watt hour meter 120 acquired in step S607, a connection approval request including the integrated value and the identification information is generated (step S608). Thereafter, the connection approval request generated in step S608 is transmitted to the power distribution management support apparatus 110 (step S609).

  Next, it is determined whether or not connection approval information corresponding to the connection approval request transmitted in step S609 has been received (step S610). If connection approval information corresponding to the connection approval request transmitted in step S609 is received (step S610: Yes), the switch circuit 204 is driven and electrically connected to the power source and the load (step S611). And connection completion information is produced | generated (step S612), the connection completion information produced | generated in step S612 is transmitted with respect to the power distribution management assistance apparatus 110 (step S613), and a series of processes are complete | finished.

  In step S610, if the connection approval information corresponding to the connection approval request transmitted in step S609 has not been received (step S610: No), whether or not a predetermined time has elapsed since the connection approval request was transmitted in step S609. Is determined (step S614). In step S614, when the predetermined time has not elapsed since the connection approval request was transmitted in step S609 (step S614: No), the process returns to step S610.

  On the other hand, in step S614, when a predetermined time has elapsed since the connection approval request was transmitted in step S609 (step S614: Yes), it is determined that the connection resumption is not approved, and an error that the connection resumption is not approved is notified. (Step S615), and a series of processing is terminated. In step S615, for example, a buzzer is sounded or an error message is displayed on the display unit 124 included in the main body 121 of the watt-hour meter 120 to notify the error.

  As described above, the switch device 130 according to the first embodiment of the present invention electrically shuts off the power supply and the load when receiving the switch cutoff instruction, and acquires the integrated value of the watt-hour meter 120 at the time of cutoff. Then, cutoff completion information including the acquired integrated value and identification information of the watt hour meter 120 is transmitted to the power distribution management support apparatus 110. In addition, when the switch device 130 according to the first embodiment of the present invention receives a switch connection instruction, the switch device 130 acquires the integrated value of the watt-hour meter 120 when the switch connection instruction is received, and the acquired integrated value and power A connection approval request including the identification information of the meter 120 is transmitted to the power distribution management support apparatus 110. Then, when connection approval information transmitted from the power distribution management support apparatus 110 is received in response to a connection approval request transmitted from the switch apparatus 130, the power supply and the load are electrically connected.

  According to the switch device 130 of the first embodiment of the present invention, the supply of power from the power source to the load and the stop of the supply, which are performed via the watt-hour meter 120, are installed in a remote place of the watt-hour meter 120. This is performed based on an instruction from the distribution management support apparatus 110. Each operation state of the watt-hour meter 120, such as an operation state in which power is supplied from the power source to the load and an operation state in which power supply from the power source to the load is stopped, is from the power distribution management support device 110. Maintained unless a new indication is sent.

  In other words, the operation state of the watt-hour meter 120 can be switched from a remote location of the watt-hour meter 120, and the switched operation state can be locked so that it cannot be changed at the installation location (local site) of the watt-hour meter 120. . As a result, even if the customer unlocks the watt hour meter 120 at the site and tries to use electricity illegally, the lock cannot be released, so the operation state of the watt hour meter 120 is illegally switched. It is possible to prevent unauthorized use of power.

  In addition, according to the power distribution management support apparatus 110 of the first embodiment of the present invention, the above-described various effects can be achieved only by providing the switch device 130 in the existing watt-hour meter 120 having a communication function. it can. As a result, the power distribution management support system 100 capable of obtaining the various effects described above can be realized with a simple configuration and without significant costs.

  Moreover, the power distribution management support apparatus 110 according to the first embodiment of the present invention completes the shutoff including the integrated value of the watt-hour meter 120 provided with the switch device 130 and the identification information of the watt-hour meter 120 from the switch device 130. When the information is received, the integrated value included in the received cutoff completion information and the identification information are stored in association with each other. Moreover, the power distribution management support apparatus 110 according to the first embodiment of the present invention receives a connection approval request including the integrated value of the watt hour meter 120 and the identification information of the watt hour meter 120 from the switch device 130. If the integrated value stored in association with the identification information matching the identification information included in the connection approval information matches the integrated value included in the connection approval information, and if it is determined to match Is characterized in that the connection approval information is transmitted to the switch device 130 that is the transmission source of the previously received connection approval request.

  According to the power distribution management support apparatus 110 of the first embodiment of the present invention, the integrated value of the watt-hour meter 120 is acquired each time the watt-hour meter 120 switches between electrical connection and disconnection between the power source and the load. The operation state of the watt hour meter 120 can be switched based on the acquired integrated value. That is, according to the power distribution management support apparatus 110 of the first embodiment of the present invention, the transmission of the switch cutoff instruction and the switch connection instruction and the acquisition of the integrated value of the watt-hour meter 120 are paired. The reliability with respect to the integrated value can be ensured.

  Specifically, according to the power distribution management support apparatus 110 of the first embodiment of the present invention, a predetermined input operation including input of identification information of the watt-hour meter 120 is performed by an operator or customer of the power distribution management support apparatus 110. Since it is configured so that a switch cutoff instruction and a switch connection instruction are transmitted when the switch is made, it is easy to identify the fraud even if the switch cutoff instruction or the switch connection instruction is illegally made. Can do.

  Further, in a predetermined input operation for transmitting the switch shut-off instruction and the switch connection instruction, in addition to the identification information of the watt hour meter 120, information that can identify the operator who is performing the input operation (customer name and The contract number, the name of the operator of the power distribution management support apparatus 110, ID information, etc.) may be input. This makes it easy to identify the operator who has given the switch cutoff instruction or the switch connection instruction. Further, by making it easier to identify the operator who has issued the switch cutoff instruction or the switch connection instruction, it is possible to expect an effect of suppressing unauthorized input of the switch cutoff instruction or the switch connection instruction. Accordingly, unauthorized use of power due to unauthorized switching of the operation state of the watt-hour meter 120 can be prevented.

  Further, the power distribution management support apparatus 110 according to the first embodiment of the present invention includes the integrated value stored in association with the identification information that matches the identification information included in the connection approval information received from the switch apparatus 130 and the connection approval. When it is determined that the integrated value included in the information does not match, information regarding the watt-hour meter 120 to which the switch device 130 that is the transmission source of the connection approval request is connected is stored. .

  According to the power distribution management support apparatus 110 according to the first embodiment of the present invention, the power that may have been fraudulent by periodically printing or displaying the stored information as a list is output. The quantity meter 120 can be checked periodically. As a result, it is possible to manage the watt-hour meter 120 that may have been fraudulent due to the difference between the accumulated value at the time of cancellation of the receiving contract and the accumulated value at the time of restart, and every time fraud is performed, In addition, it is possible to reduce the work burden by eliminating the need for the operator. In addition, since it is possible to perform a specific operation of an unauthorized user based on the output list, it is possible to efficiently perform a confirmation operation when a fraud is suspected.

  As described above, in the power distribution management support system 100 including the power distribution management support device 110 and the switch device 130 according to the first embodiment of the present invention, when the power supply / demand contract is abolished, the switch is shut off using communication. Instruction (abolition instruction of power supply and demand contract) is transmitted, and the integrated value of the corresponding watt-hour meter 120 is stored in the database 413 at the abolition time of the power supply and demand contract according to the switch cutoff instruction, and the power supply and load The electrical connection with is cut off, and the locked state is established when the electric connection is cut off.

  Further, in the power distribution management support system 100 including the power distribution management support device 110 and the switch device 130 according to the first embodiment of the present invention, when the power supply is resumed, the power distribution management support device 110 or the customer PC is used. On the other hand, when a predetermined instruction is transmitted from the power distribution management support apparatus 110 to the switch apparatus 130 based on the transfer application received by performing a predetermined input operation, the lock state is released and the power meter 120 is used. Start supplying power from the power supply to the load.

  Thereby, according to the power distribution management support system 100 of Embodiment 1 concerning this invention, the artificial power processing operation in the field can be abolished. And by abolishing the artificial power processing work at the site, it is possible to reduce the labor cost for the power processing.

  Accordingly, according to the power distribution management support system 100 including the power distribution management support device 110 and the switch device 130 according to the first embodiment of the present invention, the power is supplied after the contract is abolished until the supply of electricity is resumed. Can be used without permission (illegal). In addition, by investigating the use of electricity during the abolition of the power supply contract by preventing unauthorized use of the power after the contract is abolished and before the supply of electricity is resumed. Business can be made unnecessary.

  Accordingly, according to the power distribution management support system 100 including the power distribution management support device 110 and the switch device 130 according to the first embodiment of the present invention, the worker is located on the site that needs to cancel or restart the receiving contract. It is possible to perform power supply processing for canceling or resuming a receiving contract without leaving any trouble. As a result, power processing can be performed without being affected by the date and time of the power company, such as business hours, so that the customer satisfaction with the power company can be improved.

  In addition, according to the power distribution management support system 100 including the power distribution management support device 110 and the switch device 130 according to the first embodiment of the present invention, the integrated value of the watt-hour meter 120 can be obtained without a worker on site. Can be obtained. As a result, it is possible to prevent an error in reading the integrated value of the watt-hour meter 120 and to improve the reliability of the power supply process. In addition, this can improve customer satisfaction with the power company.

  In the first embodiment, the communication between the switch device 130 and the power distribution management support device 110 is realized through the watt-hour meter 120. However, the switch device 130, the power distribution management support device 110, The communication method between the two is not limited to this. For example, the watt hour meter 120 is connected by connecting the switch device 130 to the network 140 that realizes communication between the watt hour meter 120 and the power distribution management support device 110 via the communication I / F 205 provided in the switch device 130. The communication between the switch device 130 and the power distribution management support device 110 may be realized without going through.

(Embodiment 2)
Next, a power distribution management support system according to the second embodiment of the present invention will be described. In the second embodiment, the same parts as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof is omitted. FIG. 7 is an explanatory diagram showing the system configuration of the power distribution management support system according to the second embodiment of the present invention. In FIG. 7, the power distribution management support system 700 according to the second embodiment of the present invention includes a power distribution management support device 110 and a watt hour meter 710. In the power distribution management support system 100, a plurality of watt-hour meters 710 are provided.

(Hardware configuration of watt-hour meter 710)
Next, a hardware configuration of the watt-hour meter 710 in the power distribution management system 700 according to the second embodiment of the present invention will be described. FIG. 8 is an explanatory diagram showing a hardware configuration of the watt-hour meter 710 in the power distribution management system 700 according to the second embodiment of the present invention.

  In FIG. 8, the watt-hour meter 710 in the power distribution management system 700 according to the second embodiment of the present invention includes a CPU 801, a ROM 802, a RAM 803, a weighing unit 123, a display unit 124, a switch circuit 204, and a communication I. / F205. The units 801 to 803, 123, 124, 204, and 205 included in the watt-hour meter 710 are connected by a bus 804.

(Functional configuration of watt-hour meter 710)
Next, a functional configuration of the watt-hour meter 710 in the power distribution management support system 700 according to the second embodiment of the present invention will be described. FIG. 9 is a block diagram showing a functional configuration of the power distribution management support system 700 according to the second embodiment of the present invention. 9, the watt-hour meter 710 in the power distribution management support system 700 according to the second embodiment of the present invention includes a communication unit 420, a switch unit 421, a switch control unit 422, a connection approval request unit 423, and a cutoff notification. A unit 424 and a measuring unit 123 are provided. The switch unit 130 includes a communication unit 420, a switch unit 421, a switch control unit 422, a connection approval request unit 423, a cutoff notification unit 424, and a metering unit 123. The units 801 to 803, 123, and 124 included in the watt-hour meter 710 204 and 205 can be realized.

  The weighing unit 123 includes an input conversion unit 901, a multiplication processing unit 902, and a frequency dividing circuit unit 903. The input conversion unit 901 converts the voltage and current to values according to the voltage level and current level of the power passing through the watt-hour meter 710. The multiplication processing unit 902 generates a pulse signal proportional to the amount of supplied electric power by multiplication processing based on the voltage level and current level converted by the input conversion unit 901. The frequency dividing circuit unit 903 converts the clock frequency of the pulse signal generated by the multiplication processing unit 902 into a predetermined clock frequency lower than the clock frequency. The measuring unit 123 performs integration processing based on the pulse signal converted by the frequency dividing circuit unit 903 to a predetermined clock frequency, and measures the integrated value of the electric energy.

(Processing procedure in power distribution management support system 100)
The power distribution management support apparatus 110 in the power distribution management support system 700 according to the second embodiment of the present invention performs the same processing procedure as the power distribution management support apparatus 110 in the power distribution management support system 100 according to the first embodiment described above (FIG. 5). See).

  The watt-hour meter 710 in the power distribution management support system 700 according to the second embodiment of the present invention acquires the integrated value of the watt-hour meter 710 directly from the measuring unit 123, except for the power distribution management in the first embodiment described above. A processing procedure similar to that of the switch device 130 in the support system 100 is performed (see FIG. 6).

  As described above, the watt-hour meter 710 according to the second embodiment of the present invention includes the measuring unit 123 that measures the integrated value of the electric energy based on the current flowing from the power source to the load, and the measuring unit 123. And a switch unit 421 that connects the power source and the load so as to be electrically cut off. When the watt-hour meter 710 according to the embodiment of the present invention receives the switch cutoff instruction transmitted from the power distribution management support apparatus 110, the watt-hour meter 710 electrically shuts off the power source and the load, The integrated value is acquired, and cutoff completion information including the acquired integrated value and the watt-hour meter identification information is transmitted to the power distribution management support apparatus 110.

  Moreover, when the watt-hour meter 710 according to the second embodiment of the present invention receives the switch connection instruction, the watt-hour meter 710 acquires the integrated value of the watt-hour meter when the switch connection instruction is received, and the acquired integrated value and power A connection approval request including the identification information of the meter is transmitted to the power distribution management support apparatus 110. Then, when connection approval information transmitted from the power distribution management support apparatus 110 is received in response to the transmitted connection approval request, the power source and the load are electrically connected.

  According to the watt-hour meter 710 of the second embodiment according to the present invention, the supply of electric power from the power source to the load by the watt-hour meter 710 and the stoppage of the supply are the distribution management support installed in the remote place of the watt-hour meter 710 This is performed based on an instruction from the device 110. Each operation state of the watt-hour meter 710, such as an operation state in which power is supplied from the power source to the load and an operation state in which power supply from the power source to the load is stopped, is from the power distribution management support device 110. Maintained unless a new indication is sent.

  In other words, the operation state of the watt-hour meter 710 can be switched from a remote location of the watt-hour meter 710 and can be locked so that the switched operation state cannot be changed at the installation location (site) of the watt-hour meter 710. . As a result, even if the customer unlocks the watt hour meter 710 at the site and tries to use electricity illegally, the lock cannot be released, so the operation state of the watt hour meter 710 is switched illegally. It is possible to prevent unauthorized use of power.

  In addition, the power distribution management support apparatus 110 according to the second embodiment of the present invention completes shutoff including the integrated value from the switch device 130 to the watt-hour meter 120 provided with the switch device 130 and the identification information of the watt-hour meter 120. When the information is received, the integrated value included in the received cutoff completion information and the identification information are stored in association with each other. The power distribution management support apparatus 110 according to the first embodiment of the present invention receives a connection approval request including the integrated value of the watt-hour meter 710 and the identification information of the watt-hour meter 710 from the switch device 130. If the integrated value stored in association with the identification information matching the identification information included in the connection approval information matches the integrated value included in the connection approval information, and if it is determined to match Is characterized in that the connection approval information is transmitted to the watt-hour meter 710 that is the transmission source of the connection approval request received earlier.

  According to the power distribution management support apparatus 110 of the second embodiment of the present invention, the integrated value of the watt-hour meter 710 is acquired each time the watt-hour meter 710 switches between electrical connection and disconnection between the power source and the load. The operating state of the watt-hour meter 710 can be switched based on the acquired integrated value. That is, according to the power distribution management support apparatus 110 of the second embodiment of the present invention, the transmission of the switch cutoff instruction and the switch connection instruction and the acquisition of the integrated value of the watt-hour meter 710 are paired. The reliability with respect to the integrated value can be ensured.

  Specifically, according to the power distribution management support apparatus 110 of the second embodiment of the present invention, a predetermined input operation including input of identification information of the watt-hour meter 710 is performed by an operator or customer of the power distribution management support apparatus 110. Since it is configured so that a switch cutoff instruction and a switch connection instruction are transmitted when the switch is made, it is easy to identify the fraud even if the switch cutoff instruction or the switch connection instruction is illegally made. Can do.

  Further, in addition to the identification information of the watt-hour meter 710, information that can identify the operator who is performing the input operation (name of customer, The contract number, the name of the operator of the power distribution management support apparatus 110, ID information, etc.) may be input. This makes it easy to identify the operator who has given the switch cutoff instruction or the switch connection instruction. Further, by making it easier to identify the operator who has issued the switch cutoff instruction or the switch connection instruction, it is possible to expect an effect of suppressing unauthorized input of the switch cutoff instruction or the switch connection instruction. Accordingly, unauthorized use of power due to unauthorized switching of the operation state of the watt-hour meter 710 can be prevented.

  Moreover, the power distribution management support apparatus 110 according to the second embodiment of the present invention includes the integrated value stored in association with the identification information that matches the identification information included in the connection approval request, and the integrated value included in the connection approval request. When it is determined that the two do not match, information regarding the watt-hour meter 710 that is the transmission source of the received connection approval request is stored in the database 413. As a result, the watt-hour meter 710 suspected of unauthorized use of power can be managed easily and reliably.

  In Embodiment 1 and Embodiment 2 described above, the integrated value of watt-hour meters 120 and 710 at the time of receiving the switch connection instruction is acquired, and the acquired integrated value and the corresponding stored in the database 413 are applicable. The distribution management support apparatus 110 determines whether or not the integrated value matches, but the determination of the match is not limited to that performed in the distribution management support apparatus 110.

  For example, the distribution management support system 100 according to the first embodiment described above may be configured such that the matching is determined by the switch device 130. Alternatively, the power distribution management support system 700 according to the second embodiment described above may be configured such that the coincidence determination is performed in the watt-hour meter 710. These coincidence determinations can be easily realized by executing predetermined processing in the CPU 201 included in the switch device 130 or the CPU 801 included in the watt-hour meter 710.

  As described above, the switch device, the watt-hour meter, and the power distribution management support device according to the present invention are useful for the switch device, the watt-hour meter, and the power distribution management support device that support the power supply and supply stop management work. In particular, it is suitable for a switch device, a watt-hour meter, and a power distribution management support device that support management operations of power supply and supply stop in order to prevent unauthorized use of power.

DESCRIPTION OF SYMBOLS 100 Power distribution management support system 110 Power distribution management support apparatus 120 Electricity meter 123 Metering part 130 Switch apparatus 410 Instruction transmission part 411 1st reception part 412 Storage part 413 Database 414 2nd reception part 415 Match determination part 416 Transmission part 420 Communication Unit 421 Switch unit 422 Switch control unit 423 Connection approval request unit 424 Blocking notification unit 425 Integrated value acquisition unit 700 Power distribution management support system 710 Energy meter

Claims (8)

A switch device provided between a power source and a load and provided in a watt hour meter that measures an integrated value of the amount of power based on a current flowing from the power source to the load;
Switch means for connecting the power source and the load so as to be electrically cut off;
A communication means for communicating with a predetermined external device;
Switch control means for controlling the switch means to electrically cut off the power source and the load when receiving a switch cut-off instruction by the communication means;
An interruption that acquires an integrated value of the watt-hour meter at the time of interruption by the switch control means, and transmits interruption completion information including the acquired integrated value and identification information of the watt-hour meter to the external device by the communication means Completion notification means;
When a switch connection instruction is received by the communication means, the integrated value of the watt hour meter at the time of receiving the switch connection instruction is acquired, and the connection approval including the acquired integrated value and the identification information of the watt hour meter Connection approval request means for transmitting a request to the external device by the communication means;
With
The switch control unit controls the switch unit to electrically connect the power source and the load when receiving the connection approval information transmitted from the external device in response to the connection approval request transmitted by the connection approval request unit. Switch device characterized in that it is connected electrically. A watt-hour meter provided between a power source and a load,
A measuring unit that is provided between a first terminal connected to the power source and a second terminal connected to the load, and measures an integrated value of electric energy based on a current flowing from the power source to the load. When,
Switch means for connecting the power source and the load via the measuring means so as to be electrically cut off;
A communication means for communicating with a predetermined external device;
Switch control means for controlling the switch means to electrically cut off the power source and the load when receiving a switch cut-off instruction by the communication means;
An interruption that acquires an integrated value of the watt-hour meter at the time of interruption by the switch control means, and transmits interruption completion information including the acquired integrated value and identification information of the watt-hour meter to the external device by the communication means Completion notification means;
When a switch connection instruction is received by the communication means, the integrated value of the watt hour meter at the time of receiving the switch connection instruction is acquired, and the connection approval including the acquired integrated value and the identification information of the watt hour meter Connection approval request means for transmitting a request to the external device by the communication means;
With
The switch control unit controls the switch unit to electrically connect the power source and the load when receiving the connection approval information transmitted from the external device in response to the connection approval request transmitted by the connection approval request unit. Watt-hour meter, characterized in that it is connected electrically. First receiving means for receiving shutoff completion information including an integrated value of the watt hour meter provided with the switch device and identification information of the watt hour meter from the switch device according to claim 1;
Storage means for associating and storing the integrated value and the identification information included in the received cutoff completion information when the cutoff completion information is received by the first receiving means;
A second receiving means for receiving a connection approval request including the integrated value of the watt hour meter and the identification information of the watt hour meter from the switch device;
Based on the connection approval information received by the second receiving means, the integrated value stored in association with the identification information matching the identification information included in the connection approval information and the integrated value included in the connection approval information A match determination means for determining whether or not and match,
A transmission unit that transmits connection approval information to a switch device that is a transmission source of the connection approval request received by the second reception unit when the match determination unit determines that they match;
A power distribution management support apparatus comprising:   Storage means for storing information relating to the watt-hour meter to which the switch device that is the transmission source of the connection approval request received by the second receiving means is connected when the coincidence determining means determines that they do not match. The power distribution management support apparatus according to claim 3. First receiving means for receiving, from the watt-hour meter according to claim 2, cutoff completion information including an integrated value of the watt-hour meter and identification information of the watt-hour meter;
Storage means for associating and storing the integrated value and the identification information included in the received cutoff completion information when the cutoff completion information is received by the first receiving means;
A second receiving means for receiving a connection approval request including the integrated value of the watt hour meter and the identification information of the watt hour meter from the switch device;
Based on the connection approval information received by the second receiving means, the integrated value stored in association with the identification information matching the identification information included in the connection approval information and the integrated value included in the connection approval information A match determination means for determining whether or not and match,
A transmission unit that transmits connection approval information to a watt-hour meter that is a transmission source of the connection approval request received by the second reception unit when it is determined by the match determination unit to match;
A power distribution management support apparatus comprising:   And a storage unit configured to store information relating to a watt-hour meter serving as a transmission source of the connection approval request received by the second receiving unit when the match determining unit determines that they do not match. The power distribution management support apparatus according to claim 5. A switch device provided between a power source and a load and provided in a watt hour meter that measures an integrated value of the amount of power based on a current flowing from the power source to the load;
Switch means for connecting the power source and the load so as to be electrically cut off;
A communication means for communicating with a predetermined external device;
Switch control means for controlling the switch means to electrically cut off the power source and the load when receiving a switch cut-off instruction by the communication means;
Storage means for storing an integrated value of the watt-hour meter at the time of interruption by the switch control means;
When a switch connection instruction is received by the communication means, an integrated value of the watt-hour meter at the time of reception of the switch connection instruction is acquired, and the acquired integrated value and the integrated value stored by the storage means are A match determination means for determining whether or not they match,
A switch device characterized by controlling the switch means to electrically connect the power source and the load when it is determined by the match determination means to match. A watt-hour meter provided between a power source and a load,
A measuring unit that is provided between a first terminal connected to the power source and a second terminal connected to the load, and measures an integrated value of electric energy based on a current flowing from the power source to the load. When,
Switch means for connecting the power source and the load via the measuring means so as to be electrically cut off;
A communication means for communicating with a predetermined external device;
Switch control means for controlling the switch means to electrically cut off the power source and the load when receiving a switch cut-off instruction by the communication means;
Storage means for storing an integrated value of the watt-hour meter at the time of interruption by the switch control means;
When a switch connection instruction is received by the communication means, an integrated value of the watt-hour meter at the time of reception of the switch connection instruction is acquired, and the acquired integrated value and the integrated value stored by the storage means are A match determination means for determining whether or not they match,
An watt-hour meter characterized in that, when it is determined by the match determining means that they match, the switch means is controlled to electrically connect the power source and the load.

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