JP2019036068A - Power re-transmission system - Google Patents

Abstract

To provide a power re-transmission system capable of improve safety when the power transmission is resumed.SOLUTION: A power re-transmission system 1 comprises: a management terminal 6 transmitting a power transmission stop command and a power transmission resumption command to a customer house 102; a watt-hour meter 2 communicatively connected to the management terminal 6 so as to calculate a power consumption amount at the customer house 102, and stopping power transmission to the customer house 102 on the basis of the power transmission stop command received from the management terminal 6, and resuming power transmission to the customer house 102 on the basis of the power transmission resumption command received from the management terminal 6; and a monitor device 5 communicatively connected to the watt-hour meter 2 so as to display information transmitted from the management terminal 6 and the watt-hour meter 2, comparing a first power consumption amount W1 before stoppage of power transmission with a second power consumption amount W2 after resumption of power transmission transmitted from the watt-hour meter 2, and transmitting a power transmission stop request to the management terminal 6 when the second power consumption amount W2 is equal to or larger than the first power consumption amount W1. The management terminal 6 transmits the power transmission stop command to the watt-hour meter on the basis of the power transmission stop request.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a power re-transmission system.

  Conventionally, an electric power company performs a meter reading of an electric meter provided at a customer's house every month to calculate an electricity bill, and bills the customer for the calculated electricity bill. The customer pays the electricity bill at a financial institution, a convenience store, etc. by debiting from the customer's bank account or credit card, or by a transfer form mailed from the power company. If the payment of the electricity bill could not be confirmed by the due date due to insufficient balance of the bank account, excess credit card usage limit, or delay in payment of the electricity bill by transfer form, Measures to stop power transmission to the customer's home if the payment of the electricity bill is not confirmed even if the specified date is exceeded, even if the payment date is mailed to the customer and the fee is paid again. It is carried out.

  In order to cancel the power transmission suspension measure, the customer needs to go to a financial institution or a convenience store and pay the fee including the late fee by using the payment slip for delinquent electricity charges. In addition, after confirming the payment of the electricity bill, when the electric power company re-transmits power, a fire prevention confirmation is made such as whether or not an electric heating device such as an iron or a dryer is connected to the outlet (for example, patent document) 1).

Japanese Patent Laid-Open No. 2006-128974

  However, since implementation of fire prevention confirmation is left to the customer, there is a possibility that power transmission may be resumed in a state where the necessary fire prevention confirmation has not been completed.

  This invention is made | formed in view of the above, Comprising: The power re-transmission system which can improve the safety | security at the time of power transmission restart is provided.

  In order to solve the above-described problems and achieve the object, the power re-transmission system according to the present invention includes a power transmission stop command for stopping power transmission to a customer's home, and a power transmission stop command for resuming power transmission to the customer's home. A management terminal that transmits a power transmission restart command and a communication terminal that is communicably connected to the management terminal, calculates power consumption at the customer home, and transmits power to the customer home based on a power transmission stop command received from the management terminal And based on the power transmission restart command received from the management terminal, the watt-hour meter that resumes power transmission to the customer's home, and the watt-hour meter are communicably connected, from the management terminal and the watt-hour meter While displaying the information transmitted, the 1st power consumption amount which is the said power consumption amount before transmission stop transmitted from the said watt-hour meter, and the 2nd power consumption amount which is the said power consumption amount after transmission restart Compare with When the second power consumption is equal to or greater than the first power consumption, the management terminal transmits a power transmission stop request for requesting the power meter to stop power transmission to the customer's home. A monitoring device, and the management terminal transmits the power transmission stop command to the watt-hour meter based on the power transmission stop request.

  As a desirable aspect of the present invention, the watt-hour meter supplies power supplied from a distribution line via a service line to a customer's house via an indoor line, and the monitor device supplies power supplied from the indoor line. Or, when any one of the electric power supplied from the distribution line via the service line is supplied and the power supply via the indoor line is stopped by the watt-hour meter, the service line is connected to the service line from the distribution line. Power is supplied via

  As a preferred aspect of the present invention, the monitor device reads electronic money information and transmits the electronic money information to the management terminal, and the management terminal is configured to send the customer home based on the electronic money information. Collect electricity charges according to the amount of electricity used in

  As a desirable aspect of the present invention, the management terminal transmits a fire prevention confirmation command for preventing a fire due to resumption of power transmission to the customer's house to the monitor device according to the collection status of the electricity bill. The monitor device performs predetermined fire prevention confirmation processing based on the fire prevention confirmation command.

  As a desirable mode of the present invention, the management terminal transmits the power transmission restart command to the watt hour meter according to the result of the fire prevention confirmation process, and the watt hour meter is based on the power transmission restart command. The power transmission to the customer's home is resumed.

  ADVANTAGE OF THE INVENTION According to this invention, the electric power re-transmission system which can improve the safety | security at the time of power transmission restart can be provided.

FIG. 1 is a schematic configuration diagram of a power re-transmission system according to the embodiment. FIG. 2 is a diagram illustrating an example of customer-specific data. FIG. 3 is a diagram illustrating an example of a charge collection status. FIG. 4 is a diagram illustrating an example of a block configuration of the home monitor. FIG. 5 is a flowchart illustrating an example of a power re-transmission process in the power re-transmission system according to the embodiment. FIG. 6 is a diagram illustrating an example of a fire prevention confirmation screen.

  Hereinafter, the present invention will be described in detail with reference to the drawings. The present invention is not limited by the following modes for carrying out the invention (hereinafter referred to as embodiments). In addition, constituent elements in the following embodiments include those that can be easily assumed by those skilled in the art, those that are substantially the same, and those in a so-called equivalent range. Furthermore, the constituent elements disclosed in the following embodiments can be appropriately combined.

  FIG. 1 is a schematic configuration diagram of a power re-transmission system according to the embodiment. The power re-transmission system 1 according to the embodiment includes, as main components, a smart meter (electric energy meter) 2, a service line 3, an indoor line 4, a home monitor (monitor device) 5, and a management server (management terminal) 6).

  For example, data communication is performed between the management server 6 and the smart meter 2 by FAN (Field Area Network) using, for example, power line communication (PLC) via the distribution line 101. The communication means between the management server 6 and the smart meter 2 is not limited to the FAN via the above-described distribution line 101, and may be, for example, a mobile wireless communication network such as a WAN (Wide Area Network) or an optical communication network. There may be.

  For example, data communication is performed between the smart meter 2 and the home monitor 5 by HAN (Home Area Network) using a PLC or the like via the indoor line 4. The communication means between the smart meter 2 and the home monitor 5 is not limited to the HAN via the indoor line 4 described above. For example, a wired LAN in which the smart meter 2 and the monitor device 3 are connected by a LAN cable. An aspect may be sufficient and the aspect of wireless LAN may be sufficient.

  The smart meter 2 is a device that is installed, for example, outside the customer's home 102 and measures the amount of electricity used at the customer's home 102 by automatically reading the meter every predetermined period (for example, every month). The smart meter 2 is connected to the distribution line 101 via the lead-in wire 3 and supplies power to the electrical device 103 and the home monitor 5 in the customer home 102 via the indoor wire 4.

  The smart meter 2 has a function of connecting or disconnecting the lead-in line 3 and the indoor line 4 based on a control command from the management server 6.

  For example, when the customer is overdue to pay the electricity bill, by sending a power transmission stop command (first power transmission stop command) from the management server 6 and remotely operating the smart meter 2, the service line 3 and the indoor line 4 To stop the power supply to the customer's home 102 (also referred to as power transmission stop), and when the customer pays the electricity bill, send the power transmission restart command from the management server 6 to remotely operate the smart meter 2 Thus, the service line 3 and the indoor line 4 are connected to resume the supply of power to the customer's home 102 (also referred to as power transmission restart).

  In addition, the smart meter 2 calculates the power consumption consumed in the electrical equipment 103 in the customer's home 102 and the home monitor 5 when the service line 3 and the indoor line 4 are connected, and transmits the power consumption to the home monitor 5. It has a function.

  The in-home monitor 5 is installed, for example, indoors in the customer's home 102 and either one of power supplied from the indoor line 4 connected to the smart meter 2 or power supplied from the distribution line 101 via the lead-in line 3. Is supplied.

  The management server 6 is a computer installed in, for example, the electric power company 100 and has a communication function for transmitting and receiving data between the smart meter 2 and the home monitor 5.

  The management server 6 includes a database 63 that stores data for each customer. The management server 6 determines the amount charged to the customer, prior notice of power transmission suspension, construction of power transmission suspension based on the electricity bill calculated based on the amount of electricity used at the customer's home 102 and the charge collection status of the electricity bill. Various information including notifications is transmitted.

  FIG. 2 is a diagram illustrating an example of customer-specific data. As shown in FIG. 2, in the database 63 of the management server 6, as the customer-specific data D1, for each customer ID 631, the meter reading value 632 for the current month, the meter reading value 633 for the previous month, the amount of electricity used 634, the electricity bill 635, and the payment schedule A date 636, a due date 637, a fee collection status 638, and the like are held.

  The current meter reading value 632 is an indication value of the current smart meter 2 transmitted from the smart meter 2 via the first communication means.

  The meter reading value 633 of the previous month is an indication value of the smart meter 2 of the previous month transmitted from the smart meter 2 via the first communication means.

  The electricity usage amount 634 is the electricity usage amount for the current month calculated based on the meter reading value 632 for the current month and the meter reading value 633 for the previous month.

  The electricity bill 635 is the electricity bill for the current month calculated based on the amount of electricity used 634.

  The scheduled deposit date 636 is a scheduled deposit date for the electricity bill 635 of the current month. As this scheduled payment date 636, for example, a withdrawal date from a credit card or a bank account is set.

  The payment due date 637 is set N1 days after the meter reading date of the current month (for example, the 30th day from the day after the meter reading date of the current month).

  FIG. 3 is a diagram illustrating an example of a charge collection status. As shown in FIG. 3, the fee collection status 638 includes the number of days arrears 6381, the arrears interest 6382, the scheduled power transmission stop date 6383, the deposit date 6384, the deposit amount 6385, and the like.

  The number of days arrears 6381 is the number of days that have passed since the day after the due date 637.

  The arrears interest 6382 is interest according to the electricity bill 635 and the arrears days 6381.

  The scheduled power transmission stop date 6383 is set N2 days after the due date 637 (for example, 20 days after the due date 637).

  The payment date 6384 is the date when the billing amount obtained by adding the arrears interest 6382 to the electricity bill 635 is paid by the customer, and the payment amount 6385 is the amount collected from the customer on the payment date 6384.

  In addition, the management server 6 performs a fire prevention check as to whether or not a countermeasure is taken so that a fire does not occur when power transmission is restored after power transmission is stopped. That is, the management server 6 confirms whether or not the customer has confirmed that the electrical product (for example, an electric heating device such as an iron) that may cause a fire is not switched on. The fire prevention confirmation command is sent to the home monitor 5.

  FIG. 4 is a diagram illustrating an example of a block configuration of the home monitor. As shown in FIG. 4, the home monitor 5 controls the switching unit 51, the power supply unit 52, the communication unit 53, the operation unit 54, the display unit 55, the reading unit 56, the storage unit 57, and these. And a control unit 58.

The switching unit 51 is connected to the lead-in line 3 and the indoor line 4 and has a current detection function (not shown) that detects whether or not a current flows through the indoor line 4. When the switching unit 51 detects the current flowing through the indoor line 4, the switching unit 51 receives power from the indoor line 4, disconnects from the lead-in line 3, and does not detect the current flowing through the indoor line 4. Has a switch function for receiving a supply of electric power from the lead-in line 3 and cutting off the connection with the indoor line 4.

  The power supply unit 52 converts the power output from the switching unit 51 into a DC voltage value used in each component of the home monitor 5 and supplies it to each component.

  The communication unit 53 is a communication interface constituting communication means between the smart meter 2 and the home monitor 5 described above.

  The operation unit 54 is an operation button provided on the home monitor 5, for example. The display unit 55 is a liquid crystal display device, for example. For example, the operation unit 54 may be a touch sensor provided in the display unit 55, or the display unit 55 may be a liquid crystal display device with a touch sensor integrated with the touch sensor. The embodiment is not limited by the mode of the operation unit 54 and the display unit 55.

  The reading unit 56 is a component that reads a balance (information) of pre-charged electronic money from, for example, a prepaid electronic money card (IC card) 200. The method of reading the balance of the electronic money card 200 may be a mode in which the electronic money card 200 is placed in the reading unit 56 or a mode in which the electronic money card 200 is inserted into a slot (not shown). May be. The reading unit 56 may be configured to read the balance of electronic money using a prepaid number issued when the electronic money is charged in advance. The electronic money card 200 can be charged at a convenience store, a power company or the like.

  The storage unit 57 has a function of storing the power consumption calculated in the smart meter 2.

  In addition, the storage unit 57 has a function of storing the number of receptions of the fire prevention confirmation command transmitted from the management server 6 as the counter value X. The counter value X has an initial value “0” and can take a positive value from 0 to n (n is an integer of 1 or more).

  The storage unit 57 has a function of storing a fire prevention confirmation screen corresponding to the counter value X. The fire prevention confirmation screen will be described later.

  The control part 58 is comprised by CPU (Central Processing Unit), for example, and has the function to store the power consumption transmitted from the smart meter 2 via the communication means mentioned above in the memory | storage part 55. FIG.

  Further, the control unit 58 has a function of displaying various information transmitted from the management server 6 via the communication means described above on the display unit 55.

  Further, the control unit 58 has a function of transmitting information input from the operation unit 54 to the management server 6 via the communication means described above.

  As an example, the control unit 58 receives the fire prevention confirmation command transmitted from the management server 6 and displays a predetermined fire prevention confirmation screen on the display unit 55. When the customer operates the operation unit 54 with reference to the fire prevention confirmation screen displayed on the display unit 55, the control unit 58 switches on a switch of an electrical product (for example, an electric heating device such as an iron) that may cause a fire. A fire prevention confirmation notification is sent to the management server 6 indicating that the customer has been confirmed that it is not in the on state.

  In addition, the control unit 58 has a function of transmitting the balance (information) of electronic money read by the reading unit 56 to the management server 6 via the communication means described above.

  Next, processing of the power re-transmission system 1 configured as described above will be described. FIG. 5 is a flowchart illustrating an example of a power re-transmission process in the power re-transmission system according to the embodiment. In this embodiment, an electricity supply contract has already been concluded between the customer and the electric power company, and the meter reading value 632 of the current month, the meter reading value 633 of the previous month, the amount of electricity used 634, the electricity charge 635, the scheduled payment date 636, and the payment It is assumed that the due date 637 and the scheduled power transmission stop date 6383 of the charge collection status 638 are determined and held in the management server 6 as customer data D1. Further, the flowchart shown in FIG. 5 assumes a customer who has not received a billing amount obtained by adding arrearage interest 6382 to the electricity bill 635 beyond the payment due date 637. Further, it is assumed that the counter value X, which is the number of times of receiving the fire prevention confirmation command transmitted from the management server 6, has been reset to the initial value “0” (X = 0). In addition, it is assumed that the electronic money card 200 has been charged in advance at a counter of a convenience store, a power company, or the like at an amount greater than or equal to the amount charged.

  The smart meter 2 always calculates the power consumption and transmits it to the home monitor 5. The control unit 58 of the home monitor 5 stores the latest value of the power consumption amount transmitted from the smart meter 2 in the storage unit 57 as the first power consumption amount W1 (step S101). At this time, the home monitor 5 is supplied with power from the indoor line 4.

  The management server 6 refers to the customer data D1, and determines from the charge collection status 638 of the customer whether or not it is the scheduled power transmission stop date 6383 of the customer (step S102).

  If it is not the scheduled power transmission stop date 6383 (step S102; No), the process returns to step S101.

  If it is the scheduled power transmission stop date 6383 (step S102; Yes), the management server 6 transmits a power transmission stop command (first power transmission stop command) to the smart meter 2 and the home monitor 5 (step S103). That is, the management server 6 smartly issues a power transmission stop command (first power transmission stop command) when payment of the billed amount obtained by adding the arrears interest 6382 to the electricity bill 635 is not confirmed by the day before the scheduled power transmission stop date 6383. It transmits to the meter 2 and the home monitor 5. In addition, the management server 6 stops the power supply because the payment of the billed amount obtained by adding the arrears interest 6382 to the electricity bill 635 is not completed by the scheduled power transmission stop date 6383, and the power transmission suspension construction including the billed amount A notification is transmitted to the home monitor 5.

  Based on the power transmission stop command (first power transmission stop command) transmitted from the management server 6, the smart meter 2 disconnects the lead-in line 3 and the indoor line 4 and stops power transmission to the customer home 102. At this time, the switching unit 51 of the home monitor 5 is switched by the control unit 58, and the home monitor 5 is supplied with power from the service line 3. In addition, the storage unit 57 of the home monitor 5 holds the power consumption immediately before the power transmission is stopped (first power consumption W1).

  The management server 6 waits for the deposit amount (step S104). Specifically, the control unit 58 of the home monitor 5 displays the above-mentioned power transmission stop construction notice on the display unit 55 and prompts the customer to deposit the billed amount. When the customer reads the balance (information) of the electronic money card 200 from the reading unit 56 of the home monitor 5, the payment confirmation of the billed amount is performed. If the deposit amount cannot be confirmed (step S104; No), the process of step S104 is repeated. When the payment confirmation of the charged amount is completed (step S104; Yes), the control unit 58 of the home monitor 5 transmits a payment confirmation notification to the management server 6 (step S105).

  When receiving the payment confirmation notification, the management server 6 collects the billed amount from the balance (information) of the electronic money card 200 and transmits a fire prevention confirmation command to the home monitor 5 (step S106).

  Based on the received fire prevention confirmation command, the control unit 58 of the home monitor 5 increments the counter value X and stores it in the storage unit 57 (X = X + 1), and displays a predetermined value corresponding to the counter value X on the display unit 55. A fire prevention confirmation screen is displayed (step S107).

  FIG. 6 is a diagram illustrating an example of a fire prevention confirmation screen. FIG. 6 illustrates fire prevention confirmation screens G1, G2,..., Gn having the maximum number n of counter values X.

  As shown in FIG. 6, on the fire prevention confirmation screens G1, G2,..., Gn, confirmation items (items 1, 2,...) Are displayed on the display unit 55, respectively. In this example, confirmation buttons 541, 542,... Are displayed for each item. The confirmation items displayed on the fire prevention confirmation screens G1, G2,..., Gn may be duplicated on each fire prevention confirmation screen G1, G2,. There may be. Further, the number of confirmation items displayed on each fire prevention confirmation screen G1, G2,..., Gn may be one or plural.

  The control unit 58 of the home monitor 5 performs predetermined fire prevention confirmation processing based on the fire prevention confirmation instruction. First, the control unit 58 of the home monitor 5 waits for completion of the fire prevention confirmation (step S108). Specifically, the control unit 58 of the home monitor 5 displays on the display unit 55 fire prevention confirmation screens G1, G2,..., Gn corresponding to the counter value X that is the number of times of reception of the fire prevention confirmation command. Encourage confirmation of fire prevention. The fire prevention confirmation is made when the customer operates the operation unit 54 (confirmation buttons 541, 542,...) With reference to the fire prevention confirmation screens G1, G2,..., Gn displayed on the display unit 55. Done. When the fire prevention confirmation is not completed (step S108; No), the process of step S108 is repeated. When the fire prevention confirmation is completed (step S108; Yes), the control unit 58 of the home monitor 5 transmits a fire prevention confirmation notification indicating that the customer has confirmed the fire prevention to the management server 6 (step S109).

  When receiving the fire prevention confirmation notification, that is, when the fire prevention confirmation processing is completed by the home monitor 5, the management server 6 transmits a power transmission restart instruction to the smart meter 2 (step S110). The smart meter 2 connects the lead-in line 3 and the indoor line 4 based on the power transmission restart command transmitted from the management server 6 and restarts power transmission to the customer's home 102. At this time, the switching unit 51 of the home monitor 5 is switched by the control unit 58, and power is supplied to the home monitor 5 from the indoor line 4.

  At this time, the smart meter 2 restarts the calculation of the power consumption, and transmits the calculated power consumption to the home monitor 5. The control unit 58 of the home monitor 5 stores the power consumption amount transmitted from the smart meter 2 after the transmission of the fire prevention confirmation notification as the second power consumption amount W2 in the storage unit 57 (step S111).

  The control unit 58 of the home monitor 5 determines whether or not the second power consumption amount W2 that is the power consumption amount after restarting the power transmission is smaller than the first power consumption amount W1 that is the power consumption amount immediately before the power transmission is stopped (W1). > W2) is determined (step S112).

  When the second power consumption amount W2 is smaller than the first power consumption amount W1 (W1> W2) (step S112; Yes), the control unit 58 of the home monitor 5 indicates that power transmission has been resumed normally. The power transmission restart screen is displayed on the display unit 55 (step S113), and the power consumption amount transmitted from the smart meter 2 after the power transmission restart screen is displayed is stored in the storage unit 57 as the second power consumption amount W1. Then, the counter value X, which is the number of receptions of the fire prevention confirmation command, is reset to the initial value “0” (X = 0) and stored in the storage unit 57 (step S114), and the power re-transmission process is terminated.

  When the second power consumption amount W2 is equal to or greater than the first power consumption amount W1 (W1 ≦ W2) (step S112; No), the control unit 58 of the home monitor 5 stores the counter value X stored in the storage unit 57. Is larger than the maximum value n (step S115).

  When the counter value X is less than or equal to the maximum value n (X ≦ n) (step S115; No), it is displayed on the display unit 55 that the fire prevention confirmation is necessary again, and the first power transmission stop request is sent to the management server 6 (step S116).

  When the management server 6 receives the first power transmission stop request, the management server 6 repeatedly performs the processing from step S103.

  When the counter value X is larger than the maximum value n (X> n) (step S115; Yes), the control unit 58 of the home monitor 5 causes the customer to contact the power company and fire to resume power transmission. A fire prevention contact confirmation screen including a contact information such as a power company telephone number and the like is displayed on the display unit 55 (step S117), and a second power transmission stop request is transmitted to the management server 6 (Step S118).

  When receiving the second power transmission stop request, the management server 6 transmits a power transmission stop command (second power transmission stop command) to the smart meter 2 and the home monitor 5 (step S119).

  Based on the power transmission stop command (second power transmission stop command) transmitted from the management server 6, the smart meter 2 disconnects the lead-in line 3 and the indoor line 4 and stops power transmission to the customer home 102. At this time, the switching unit 51 of the home monitor 5 is switched by the control unit 58, and the home monitor 5 is supplied with power from the service line 3.

  When receiving the power transmission stop command (second power transmission stop command), the control unit 58 of the home monitor 5 uses the first power consumption amount transmitted from the smart meter 2 after receiving the power transmission stop command (second power transmission stop command). The power consumption amount W1 is stored in the storage unit 57, and the counter value X, which is the number of receptions of the fire prevention confirmation command, is reset to the initial value “0” (X = 0) and stored in the storage unit 57 ( Step S114), the power re-transmission process is terminated.

  By the power re-transmission process described above, power transmission is stopped when the second power consumption W2 that is the power consumption after restarting power transmission is equal to or greater than the power consumption W1 that is the power consumption immediately before the power transmission is stopped. Therefore, it is possible to prevent a fire caused by the customer's fire prevention confirmation being insufficient.

  Further, in the present embodiment, as described above, the reading unit 56 of the electronic money card 200 that can settle the electricity bill is provided in the home monitor 5, so that, for example, the customer is unavoidable and the electricity bill exceeds the payment due date 637. Even if you want to restore power transmission as soon as possible, such as when you cannot receive the charged amount of 635 plus arrears interest 6382, the power transmission is stopped at the scheduled power transmission stop date 6383, and the customer returns home at night, etc. It is possible to settle the billed amount from the electronic money card 200 that has been charged in advance at a convenience store, a power company or the like at the customer's house 102 without going to a financial institution.

  As described above, the power re-transmission system 1 according to the embodiment restarts power transmission stop command (first power transmission stop command) for stopping power transmission to the customer home 102 and power transmission to the customer home 102. The management server (management terminal) 6 that transmits a power transmission restart command for communication and the management server (management terminal) 6 are communicably connected to each other, calculate the power consumption at the customer's home 102, and receive the power transmission received from the management server 6 A smart meter (watt hour meter) that stops power transmission to the customer's home 102 based on the stop command (first power transmission stop command) and restarts power transmission to the customer's home 102 based on the power transmission restart command received from the management server 6 2 and a smart meter (power meter) 2 that are communicably connected to each other, display information transmitted from the management server (management terminal) 6 and the smart meter (power meter) 2, and The first power consumption W1 transmitted from the meter 2 (power meter) before power transmission is compared with the second power consumption W2 that is power consumption after power transmission is resumed, 2 When the power consumption amount W2 is equal to or greater than the first power consumption amount W1, the management server (management terminal) 6 is requested to cause the smart meter (power meter) 2 to stop power transmission to the customer home 102. And a home monitor (monitor device) 5 for transmitting a power transmission stop request (first power transmission stop request). The management server (management terminal) 6 transmits a power transmission stop command (first power transmission stop command) to the smart meter (power meter) 2 based on a power transmission stop request (first power transmission stop request).

  Accordingly, when the second power consumption W2 that is the power consumption after the power transmission is resumed is equal to or greater than the power consumption W1 that is the power consumption immediately before the power transmission is stopped, the power transmission is stopped. Safety can be improved.

  The smart meter (watt-hour meter) 2 supplies the power supplied from the distribution line 101 via the lead-in line 3 to the customer's house 102 via the indoor line 4, and the home monitor (monitor device) 5 is used indoors. Either the electric power supplied from the line 4 or the electric power supplied from the distribution line 101 via the lead-in line 3 is supplied.

  In such a configuration, the home monitor (monitor device) 5 is configured to supply power from the distribution line 101 via the lead-in line 3 when power supply via the indoor line 4 is stopped by the smart meter (watt-hour meter) 2. Is supplied.

  The home monitor (monitor device) 5 reads the balance (information) of the electronic money charged in advance and transmits the balance (information) of the electronic money to the management server (management terminal) 6. The management server (management terminal) 6 collects an electricity bill corresponding to the amount of electricity used at the customer's home 102 based on the information of electronic money.

  As a result, for example, if the customer is forced to pay the electricity fee beyond the due date 637, the power transmission is stopped at the scheduled power transmission stop date, and the customer returns home at night. Even if it is desired to do so, it is possible to settle the electricity bill from the electronic money card 200 that has been charged in advance at the customer's house at a convenience store, a power company, or the like without going to a convenience store or a financial institution.

  In addition, the management server (management terminal) 6 issues a fire prevention confirmation command to prevent a fire associated with resumption of power transmission to the customer home 102 to the home monitor (monitor device) 5 according to the collection status of the electricity bill. Send. The home monitor (monitor device) 5 performs predetermined fire prevention confirmation processing based on the fire prevention confirmation instruction.

  Further, the management server (management terminal) 6 transmits a power transmission restart command to the smart meter (electricity meter) 2 according to the result of the fire prevention confirmation process. The smart meter (electric energy meter) 2 restarts power transmission to the customer's home 102 based on a power transmission restart command.

  In such a configuration, when the second power consumption amount W2 that is the power consumption amount after restarting the power transmission is equal to or greater than the power consumption amount W1 that is the power consumption amount immediately before the power transmission is stopped, the power transmission is stopped. It is possible to prevent a fire caused by the customer's fire prevention confirmation being inadequate and improve safety when resuming power transmission.

1 Electric power re-transmission system 2 Smart meter (electric energy meter)
3 Service line 4 Indoor line 5 Home monitor (monitor device)
6 management server (management terminal)
DESCRIPTION OF SYMBOLS 51 Switching part 52 Power supply part 53 Communication part 54 Operation part 55 Display part 56 Reading part 57 Storage part 58 Control part 63 Database 100 Electric power company 101 Distribution line 102 Customer house 103 Electric equipment 200 Electronic money card (IC card)

Claims (5)

A power transmission stop command for stopping power transmission to the customer's home, and a management terminal that transmits a power transmission restart command for restarting power transmission to the customer's home;
Connected to the management terminal so as to be communicable, calculates power consumption at the customer's home, and stops power transmission to the customer's home based on the power transmission stop command received from the management terminal. Based on a power transmission restart command, a watt-hour meter that restarts power transmission to the customer's home,
The watt hour meter is communicably connected, displays information transmitted from the management terminal and the watt hour meter, and is the first power consumption amount transmitted from the watt hour meter before power transmission is stopped. When comparing the power consumption and the second power consumption that is the power consumption after restarting power transmission, and the second power consumption is greater than or equal to the first power consumption, for the management terminal, A monitor device for transmitting a power transmission stop request for requesting the power meter to stop power transmission to the customer's house;
With
The power management system transmits the power transmission stop command to the watt-hour meter based on the power transmission stop request. The watt-hour meter supplies the power supplied from the distribution line via the service line to the customer's house via the indoor line,
The monitor device is supplied with either the power supplied from the indoor line or the power supplied from the distribution line via the service line, and the power meter supplies the power via the indoor line. The power re-transmission system according to claim 1, wherein electric power is supplied from the distribution line via the lead-in line when stopped. The monitor device reads electronic money information, transmits the electronic money information to the management terminal,
The power re-transmission system according to claim 1 or 2, wherein the management terminal collects an electricity bill according to the amount of electricity used at the customer's home based on the information of the electronic money. The management terminal transmits a fire prevention confirmation instruction for preventing a fire associated with resumption of power transmission to the customer's house to the monitor device according to the collection status of the electricity bill,
The power re-transmission system according to claim 3, wherein the monitor device performs predetermined fire prevention confirmation processing based on the fire prevention confirmation instruction. The management terminal transmits the power transmission restart command to the watt hour meter according to the result of the fire prevention confirmation process,
The power re-transmission system according to claim 4, wherein the watt-hour meter resumes power transmission to the customer's home based on the power transmission restart command.

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