JP2017191522A - Electricity price estimation system, electricity price estimation method, and program - Google Patents

Abstract

A trial calculation of an electricity bill is possible based on the electricity data of a desired period by applying the electricity data for a period set by a user to a plurality of electricity bill plans. A server device (1) includes a period setting unit (12), an acquisition unit (13), a charge calculation unit (15), and an output unit (16). The acquisition unit 13 acquires power data including the amount of power consumption in the consumer facility during the period set by the period setting unit 12 . The rate calculation unit 15 calculates a first electricity rate when the power data is applied to the electricity rate plan currently under contract with the power supplier supplying power to the consumer facility, and at least one other electricity rate plan. to calculate the second electricity rate when the electricity data is applied to each. The output unit 16 outputs the calculation result of the charge calculation unit 15 to the display device. [Selection drawing] Fig. 2

Description

  The present invention relates to an electricity bill estimation system, an electricity bill estimation method, and a program, and in particular, an electricity bill estimation system and a bill calculation method for calculating an electricity bill when the power consumption amount of a customer facility is applied to an electricity bill plan. And related to the program.

  2. Description of the Related Art Conventionally, an electricity price menu selection device has been proposed that can select an electricity price menu that reduces the electricity price (see, for example, Patent Document 1). The electricity price menu selection device includes a calculation unit, a selection unit, and a presentation unit. The calculation unit calculates an electricity charge for each menu of electricity charges based on the usage mode of power in the target facility and a plurality of electricity charge menus. The selection unit selects an electricity rate menu with a relatively low electricity rate from a plurality of electricity rate menus based on the calculated electricity rate. The presenting unit presents information representing the menu of the electricity price selected by the selecting unit to the user.

JP-A-2006-21084

  In the conventional electricity price menu selection device, even if there is a period in which the power consumption is different from normal for a special reason, the calculation unit calculates the electricity charge based on the power consumption in the contract period including this period. Since it was calculated, there was a possibility that the accuracy of calculating the electricity rate was reduced.

  An object of the present invention is to provide an electricity bill estimation system, an electricity bill trial calculation method, and a program capable of estimating an electricity bill when power data in a period set by a user is applied to a plurality of electricity bill plans.

  The electricity bill trial calculation system of one mode of the present invention is provided with a period setting part, an acquisition part, a charge calculation part, and an output part. The period setting unit sets a period for trial calculation. The acquisition unit acquires power data including power consumption at a customer facility in the period set by the period setting unit. The charge calculation unit includes a first electricity charge when the power data is applied to an electricity charge plan currently contracted with a power supplier that supplies power to the customer facility, and at least one other electricity A second electricity charge when the power data is applied to the charge plan is calculated. The output unit outputs a calculation result of the fee calculation unit to a display device.

  The electricity bill estimation method of one aspect of the present invention includes the following steps. One step is a step of setting a period for trial calculation. One step is a step of acquiring power data including power consumption at the customer facility during the trial calculation target period. One step includes a first electricity rate when the electricity data is applied to an electricity rate plan that is currently contracted with an electricity supplier that supplies electricity to the customer facility, and at least one other electricity rate It is a step of calculating a second electricity charge when the power data is applied to the plan. One step is a step of outputting the calculation result to the display device.

  A program according to one embodiment of the present invention is a program for causing a computer to function as a period setting unit, an acquisition unit, a fee calculation unit, and an output unit. The period setting unit sets a period for trial calculation. The acquisition unit acquires power data including power consumption at a customer facility in the period set by the period setting unit. The charge calculation unit includes a first electricity charge when the power data is applied to an electricity charge plan currently contracted with a power supplier that supplies power to the customer facility, and at least one other electricity A second electricity charge when the power data is applied to the charge plan is calculated. The output unit outputs a calculation result of the fee calculation unit to a display device.

  ADVANTAGE OF THE INVENTION According to this invention, the electricity bill at the time of applying the electric power data in the period which the user set to several electricity rate plans can be estimated.

FIG. 1 is a system configuration diagram showing an overall configuration including an electricity bill estimation system according to an embodiment of the present invention. FIG. 2 is a block diagram of the server device of the electricity bill estimation system. FIG. 3 is a block diagram of an information terminal device of the electricity bill estimation system. FIG. 4 is an explanatory diagram of a trial calculation condition setting screen displayed on the information terminal device of the electricity bill trial system. FIG. 5 is an explanatory diagram of a trial calculation result output screen displayed on the information terminal device of the electricity bill trial calculation system.

  The embodiment described below is merely an example of an electricity bill calculation system, a bill calculation method, and a program according to the present invention. The present invention is not limited to the following embodiments, and various modifications can be made in the following embodiments depending on the design or the like as long as the object of the present invention can be achieved.

  The electricity bill trial calculation system, the electricity bill trial calculation method, and the program according to the present embodiment will be described with reference to FIGS.

(1) Overall Overview In the present embodiment, an electricity rate calculation system having a basic function of calculating an electricity rate based on the amount of power consumed in a customer facility will be described. In this embodiment, as shown in FIG. 1, the electricity bill calculation system 10 includes a server device 1 that obtains power data including power consumption from the customer facility 5 and calculates the electricity bill.

  The “customer facility” here means a facility of a consumer of electric power, and means a facility that purchases electric power from an electric power supplier such as an electric power company. Includes facilities with private power generation facilities. In the present embodiment, a detached house will be described as an example of the customer facility 5.

  In this embodiment, as shown in FIG. 1, the measurement system 20 measures the power consumption in the customer facility 5 every unit time (for example, every 30 minutes). The customer facility 5 is provided with a controller 3, and the controller 3 acquires power data including power consumption at the customer facility 5 from the measurement system 20. The server device 1 can communicate with the controller 3 via the network 4 and the router 7, and acquires power data of the power consumption measured by the measurement system 20 per unit time from the controller 3. And the server apparatus 1 calculates the 1st electricity bill at the time of applying the electric power data of the period set by the user of the electricity bill trial calculation system 10 to the electricity bill plan currently contracted. In addition, the server device 1 calculates a second electricity bill when the power data for the period set by the user of the electricity bill estimation system 10 is applied to another electricity bill plan. Then, the server device 1 outputs data of the trial calculation result of the electricity bill to the controller 3, and the controller 3 outputs the data of the trial calculation result to the information terminal device 8A which is a display device.

  Thereby, the server apparatus 1 can estimate an electricity bill based on the power consumption in the period set by the user of the electricity bill trial system 10, and the trial result is displayed on the display unit 81 of the information terminal device 8A. Is displayed. Therefore, the electricity bill estimation system 10 of the present embodiment can present to the information terminal device 8A the result of trial calculation of the power bill based on the power consumption at the customer facility 5 during the period set by the user. That is, the user of the electricity bill estimation system 10 estimates the power consumption at the customer facility 5 during the period set by the user by looking at the screen displayed on the display unit 81 of the information terminal device 8A. It is possible to visually check the electricity bill.

  The server device 1 holds in advance information on a plurality of electricity rate plans including the electricity rate plan that the user of the customer facility 5 is currently contracting with the power supplier. The server device 1 does not hold information on a plurality of electricity rate plans in advance, and each time an electricity rate plan is obtained from a server device of a company that provides information on electricity rate plans or a server of an electric power supplier. Information may be acquired.

  The user of the electricity bill calculation system 10 (user of the information terminal device 8A) may be the same person as the resident who is the user of the customer facility 5, or a resident such as a relative living away from the resident. You may be a different person. In addition, the "user of the customer facility 5" here means a person who uses the customer facility 5, and is a resident of the customer facility 5 in the present embodiment in which the customer facility 5 is a house. . When there are a plurality of residents of the customer facility 5, the “user of the customer facility 5” may refer to one of a plurality of residents, or two or more (including all). There is also. Hereinafter, “user of customer facility 5” is also simply referred to as “resident”. Although only one customer facility 5 is illustrated in FIG. 1, the server device 1 can communicate with a plurality of controllers 3 provided in each of a plurality of customer facilities 5, and a plurality of demand facilities Electricity charges can be estimated for each home facility 5.

(2) System Configuration Next, the configuration of the electricity bill calculation system 10 and the measurement system 20 according to the present embodiment will be described.

(2.1) Electricity Charge Trial Calculation System First, the configuration of the electricity charge trial calculation system 10 of the present embodiment will be described with reference to FIGS. 1 and 2. In the present embodiment, the electricity bill estimation system 10 is configured by the server device 1 as described above.

  As shown in FIG. 2, the server device 1 includes a processing unit 11, a communication unit 17, and a storage unit 18.

  The processing unit 11 has, for example, a CPU (Central Processing Unit) that executes a program as a main configuration. When the CPU executes the program stored in the storage unit 18, the functions of the server device 1 such as the period setting unit 12, the acquisition unit 13, the determination unit 14, the fee calculation unit 15, and the output unit 16 are realized. . The program executed by the processing unit 11 is recorded in the storage unit 18 in advance, but may be provided through an electric communication line such as the Internet or may be provided by being recorded on a recording medium such as a memory card. .

  The communication unit 17 is a communication interface compliant with, for example, the Ethernet (registered trademark) standard. The communication unit 17 can communicate with the controller 3 provided in the customer facility 5 through the network 4 made of the Internet and the router 7, for example. The communication unit 17 can also communicate with an information terminal device 8C such as a smartphone via the network 4 and a mobile phone network (carrier network). Examples of the mobile phone network include a 3G (third generation) line and an LTE (Long Term Evolution) line. The information terminal device 8C may be connected to the network 4 via a public wireless LAN (Local Area Network).

  The storage unit 18 includes an external storage device such as a hard disk device. The storage unit 18 stores information on the electricity rate plan acquired from the server of the power supplier, power data acquired from the controller 3, and the like. The storage unit 18 includes an electricity rate plan (hereinafter referred to as a current plan) currently contracted with a power supplier that supplies power to the customer facility 5, and another electricity rate plan other than the current rate plan. (Hereinafter referred to as a comparison target plan) is stored. The storage unit 18 only needs to store at least one comparison target plan, but it is preferable to store a plurality of comparison target plans. The comparison target plan may be an electricity rate plan provided by a currently contracted power supplier or an electricity rate plan provided by a power supplier other than the currently contracted power supplier.

  For example, the period setting unit 12 sets a trial calculation target period in which a trial calculation of the electricity bill is performed based on setting information input from the information terminal device 8A via the controller 3. In the present embodiment, the period setting unit 12 sets the length of the trial calculation target period, but the trial calculation target period may be set by setting the start point and the end point of the trial calculation target period.

  The acquisition unit 13 acquires, from the storage unit 18 or the controller 3, power data including the amount of power consumed at the customer facility 5 during the period set by the period setting unit 12.

  Based on the data amount of the power consumption acquired by the acquisition unit 13, the determination unit 14 determines whether the charge calculation unit 15 can estimate the electricity rate. Although the measurement system 20 measures the power consumption every unit time, the server device 1 has the power consumption measured by the measurement system 20 due to a communication failure between the measurement system 20 and the controller 3. All data may not be acquired. If the amount of data acquired by the server device 1 is small, the charge calculation unit 15 may not be able to accurately calculate the electricity charge. Therefore, if the data amount of the power consumption acquired by the acquisition unit 13 is equal to or larger than the threshold, the determination unit 14 determines that the trial calculation is possible, and the data amount of the power consumption acquired by the acquisition unit 13 is less than the threshold. If there is, it is judged that trial calculation is impossible. Here, the data amount threshold is preferably set to, for example, a data amount of about 70% when the data amount of the annual power consumption is 100%.

  When the determination unit 14 determines that the trial calculation is possible, the charge calculation unit 15 is based on the electricity rate plan stored in the storage unit 18 and the information on the power data of the trial calculation target period acquired by the acquisition unit 13. And calculate the electricity bill. The charge calculation unit 15 calculates a first electricity charge when the power data is applied to the current plan and a second electricity charge when the power data is applied to the comparison target plan.

  The output unit 16 outputs the calculation result of the fee calculation unit 15 to the information terminal device 8A that is a display device. The output unit 16 creates display screen data indicating the calculation result of the fee calculation unit 15, and transmits the created display screen data from the communication unit 17 to the controller 3 via the network 4 and the router 7. When the controller 3 receives the display screen data transmitted from the server device 1, the controller 3 outputs the data to the information terminal device 8A via the router 7 and displays the data on the information terminal device 8A.

(2.2) Description of Measurement System 20 and Controller 3 The customer facility 5 is provided with a measurement system 20 that measures the amount of power consumed in the customer facility 5 and the controller 3.

  First, the configuration of the measurement system 20 will be described.

  As shown in FIG. 1, the measurement system 20 includes a measurement unit 21, a communication adapter 22, and current sensors 23 and 24. The measurement unit 21, the communication adapter 22, and the current sensors 23 and 24 are arranged in the cabinet of the distribution board 6. The distribution board 6 includes a main breaker 61 electrically connected to the system power supply 9 and a plurality of branch breakers 62 electrically connected to the secondary side of the main breaker 61 in the cabinet.

  The measurement unit 21 is electrically connected to the current sensors 23 and 24. The current sensor 23 is provided on the primary side of the main breaker 61 and measures the value of the current flowing through the main line. The current sensor 24 is provided corresponding to each of the plurality of branch breakers 62, and measures the value of the current flowing through the plurality of branch circuits 70, respectively. Here, the “branch circuit” means a circuit branched from the main line by the branch breaker 62. The branch circuit 70 includes wiring connected to the branch breaker 62, a load device 50 such as a lighting fixture or cooking appliance, an outlet (outlet), a wall switch, and the like. Such a branch circuit 70 is used in a customer facility 5 that is a house as in the present embodiment, for example, in a living room, a bedroom, an entrance, a toilet, a child room, a kitchen, etc., and a lighting fixture, a cooking appliance, an air conditioner. It is provided for each type of load device 50 such as (air conditioner).

  The measurement unit 21 measures the power consumption of the main line every predetermined unit time using the output of the current sensor 23, and measures, for example, the power consumption of the main line every 30 minutes from the hour as consumption data. . In addition, the measurement unit 21 measures the power consumption amount as consumption data for each of the plurality of branch circuits 70 using the output of the current sensor 24. The communication adapter 22 transmits consumption data measured by the measurement unit 21 to the controller 3. The power consumption of the main line corresponds to the total power consumption of the customer facility 5 as a whole.

  The consumption data measured by the measurement system 20 includes power consumption obtained by integrating power consumption at 30-minute intervals from the hour. The measurement system 20 only needs to measure the power consumption of the main line, that is, the total power consumption of the customer facility 5 as a whole, but the power consumption of each of the branch circuits 70 in the customer facility 5 is calculated. May be included.

In this embodiment, the controller 3 is a HEMS (home energy management system) controller. The controller 3 has a communication function for communicating with the communication adapter 22 by a wireless communication method and a communication function for communicating with the router 7. The controller 3 communicates with the communication adapter 22 to acquire power data of the main line power consumption measured every 30 minutes by the measurement system 20 at regular or irregular intervals. The controller 3 can communicate with the server device 1 via the router 7 and the network 4, and transmits the power data received from the communication adapter 22 to the server device 1 regularly or irregularly.
In addition, when the watt-hour meter which has a communication function is installed in the consumer facility 5, the controller 3 communicates with the watt-hour meter, and thereby the power consumption per unit time (for example, 30 minutes) from the watt-hour meter. You may acquire the measured value of quantity.

  Further, the customer facility 5 is provided with an information terminal device 8A which is a dedicated monitoring device for HEMS. The information terminal device 8A includes a built-in computer having a CPU and a memory. Various functions (for example, the function of the processing unit 82) of the information terminal device 8A are realized by the CPU executing the program stored in the memory. The program is recorded in advance in the memory of the computer, but may be provided through an electric communication line such as the Internet, or may be provided by being recorded on a recording medium such as a memory card.

  As illustrated in FIG. 3, the information terminal device 8 </ b> A includes a display unit 81, a processing unit 82, a communication unit 83, an input unit 84, and a storage unit 85.

  The display unit 81 is a thin display device such as a liquid crystal display or an organic EL (electroluminescence) display.

  The processing unit 82 causes the display unit 81 to display a screen created by the controller 3 based on the screen data input from the controller 3.

  The communication unit 83 is connected to the router 7 to enable communication with the controller 3. Since the information terminal device 8A is a HEMS monitor device provided in the customer facility 5, the communication unit 83 is a communication interface compliant with the Ethernet (registered trademark) standard and can communicate with the controller 3 via the router 7. It is.

  The information terminal device 8A may be configured to be able to directly communicate with the controller 3 without using the router 7. The communication method between the information terminal device 8A and the controller 3 is not limited to wired communication, and is, for example, wireless communication such as Wi-Fi (registered trademark) or low power wireless (specific low power wireless) that does not require a license. Also good. For this type of low-power radio, specifications such as the frequency band to be used and the antenna power are defined in each country depending on the application. In Japan, low-power radio that uses radio waves in the 920 MHz band or 420 MHz band is defined.

  The input unit 84 has a function of accepting an operation of a user (such as a resident) of the information terminal device 8A. In the present embodiment, the information terminal device 8 </ b> A is equipped with a touch panel display, and the touch panel display functions as the display unit 81 and the input unit 84. Therefore, in the following description, various touch operations on the buttons on the screen displayed on the display unit 81 are expressed as “tap” or the like. However, the input unit 84 is not limited to a touch panel display, and may be a keyboard, a pointing device, a mechanical switch, or the like.

  Storage unit 85 is configured by an electrically rewritable nonvolatile semiconductor memory such as a flash memory.

  The controller 3 can communicate with an information terminal device 8 </ b> A provided in the customer facility 5 via the router 7. Further, the router 7 includes a wireless LAN communication interface compliant with, for example, the Wi-Fi (registered trademark) standard, and the controller 3 provides information about a smartphone or the like including a wireless LAN communication interface via the router 7. Communication with the terminal device 8B is possible.

(2.3) Relevance between systems With the configuration as described above, the server device 1 of the electricity bill estimation system 10 uses the power consumption data (power data) of the main line measured by the measurement system 20 as the controller 3. The electricity price is estimated from the electricity data. Then, the controller 3 creates display screen data for displaying the result of the trial calculation of the electricity bill, and transmits this display screen data to the controller 3. When the controller 3 receives the display screen data from the server device 1, the controller 3 outputs the display screen data to the information terminal device 8 </ b> A, and causes the information terminal device 8 </ b> A to display the trial calculation result display screen.

(3) Description of Operation Hereinafter, the operation of the electricity bill estimation system according to the present embodiment will be described.

  The program according to the present embodiment is a program for causing the computer of the server device 1 to function as the period setting unit 12, the acquisition unit 13, the fee calculation unit 15, and the output unit 16.

  The period setting unit 12 sets a period for trial calculation. The acquisition unit 13 acquires power data including the power consumption amount of the customer facility 5 (power consumption amount on the main line) in the period set by the period setting unit 12. The charge calculation unit 15 calculates a first electricity charge when the power data is applied to the current charge plan and a second electricity charge when the power data is applied to at least one comparison target plan. The output unit 16 outputs the calculation result of the fee calculation unit 15 to the information terminal device 8A which is a display device.

  The controller 3 provided in the customer facility 5 transmits power data of the main line power consumption every 30 minutes to the server device 1 via the router 7 and the network 4. In the server device 1, when the communication unit 17 receives the power data transmitted from the controller 3, the processing unit 11 stores the power data received by the communication unit 17 in the storage unit 18. Individual identification information is assigned to the controller 3, and the storage unit 18 stores power data for each of the plurality of controllers 3, that is, for each customer facility 5.

  When the resident of the customer facility 5 wants to make a trial calculation of the electricity charge, the resident of the consumer facility 5 selects a menu for calculating the electricity charge from the menu screen displayed on the display unit 81 of the information terminal device 8A. At this time, the information terminal device 8A transmits to the controller 3 menu selection information that the menu for calculating the electricity bill has been selected, and this menu selection information is transmitted from the controller 3 to the server device 1 via the router 7 and the network 4. Sent. When the server device 1 receives the menu selection information from the controller 3, the server device 1 creates data for a setting screen for inputting setting items necessary for calculating the electricity bill. The data on the setting screen is transmitted to the network 4 and the router 7. To the controller 3. When the controller 3 receives the data of the setting screen from the server device 1, the controller 3 outputs the data of the setting screen to the information terminal device 8A via the router 7, and the display unit 81 of the information terminal device 8A displays the data as shown in FIG. A setting screen 100 is displayed. This setting screen may be created by the controller 3, or the setting screen created by the controller 3 may be displayed on the display unit 81 of the information terminal device 8A.

  The setting screen 100 in FIG. 4 is a screen for setting conditions for calculating the electricity bill. In the setting screen 100 of FIG. 4, the reference numerals and the alternate long and short dash line surrounding the region are only described for explanation, and are not displayed on the actual screen. The same applies to the display screen 120 of FIG.

  In the upper right of the setting screen 100, an area 101 for displaying the current date and time is provided. In the center of the setting screen 100, an area 102 for inputting a plurality of conditions necessary for calculating the electricity bill is provided. Items to be set are displayed on the left side of the area 102, and buttons and the like for inputting setting values for each item are displayed on the right side of the area 102.

  In the electricity bill estimation system 10 of the present embodiment, as conditions for calculating the electricity bill, a contracting power company, a contract type (electricity bill plan), a contract current or contract capacity, and a period for calculating the electricity bill And have been set. In addition, the electricity bill trial calculation system 10 should set at least only the period during which the electricity bill is computed, and other items are not essential.

  On the left side of the area 102, areas 103, 105, 107, and 111 for displaying messages for explaining the setting items in order from the top are provided.

  In the uppermost area 103, for example, a text “Please select a power company under contract” is displayed. On the right side of this area 103, a button 104 for setting an electric power company is displayed. When the user of the information terminal device 8A taps the button 104, a pull-down menu with a plurality of power companies as options is displayed. When the user of the information terminal device 8A taps (selects) one of the power companies displayed in the pull-down menu, the information on the selected power company is set as the power company currently under contract. . The server device 1 obtains information indicating the area where the controller 3 is installed (for example, a telephone area code) from the controller 3 when the controller 3 is installed, and sells power in the area where the controller 3 is installed. Only the current power company is displayed in the pull-down menu.

  In the second area 105 from the top, for example, a text “Please select a contract type” is displayed. On the right side of this area 105, a button 106 for setting a contract type is displayed. When the user of the information terminal device 8A taps the button 106, a pull-down menu with a plurality of contract types (electricity rate menu) as options is displayed. When the user of the information terminal apparatus 8A taps (selects) one of the contract types displayed in the pull-down menu, the selected contract type is set as the current electricity price menu. The electricity rate plan provided by the power company may differ depending on the region, and the server device 1 displays only the electricity rate plan provided by the power company in the area where the controller 3 is installed in the pull-down menu.

  In the third area 107 from the top, for example, the characters “Please enter the contract current or contract capacity” are displayed. On the right side of this area 107, there are an area 108 for inputting the contract current [A], an area 109 for inputting the contract capacity [kVA], and a button 110 selected when the contract current and the contract capacity are unknown. Are arranged side by side. When the user of the information terminal device 8A taps the area 108, a sub-screen for inputting the contract current is displayed on the display unit 81 of the information terminal device 8A. When the contract current is input on this sub-screen, the entered contract is displayed. Current is set. When the user of the information terminal device 8A taps the area 109, a sub-screen for inputting the contract capacity is displayed on the display unit 81 of the information terminal device 8A. When the contract capacity is input on this sub-screen, the entered contract is displayed. The capacity is set. When the user of the information terminal device 8A taps the button 110, information that the contract current and the contract capacity are unknown is set.

  In the fourth area 111 from the top, for example, a text “Please select a simulation target period” is displayed. On the right side of this area 111, buttons 112, 113, and 114 for setting the trial calculation target periods in three ways are displayed side by side. When the user of the information terminal device 8A taps the leftmost button 112, the trial calculation target period is set to “previous month”. When the user of the information terminal device 8A taps the center button 113, the trial calculation target period is set to “the past three months from the previous month”. When the user of the information terminal apparatus 8A taps the button 114 on the right side, the trial calculation target period is set to “the past year from the previous month”. In this case, the length of the trial calculation target period is set by the period setting unit 12, but the trial calculation target period may be set by setting the start point and the end point of the trial calculation target period. When setting the length of the period, a period going back from the previous month is set, but when setting the start point and end point of the trial calculation target period, any period can be set.

  On the lower side of the area 102 on the setting screen 100, a button 115 for starting a trial calculation of electricity charges is arranged. On the button 115, for example, a character “start simulation” is displayed. When the user of the information terminal device 8A performs the setting of the above setting items and taps the button 115, a start command for starting the setting contents of each setting item and the trial calculation of the electricity charge from the communication unit 83 of the information terminal device 8A Are transmitted to the controller 3 via the router 7. When the controller 3 receives the setting contents and start command of each setting item from the information terminal device 8 </ b> A, the controller 3 transmits the setting contents and start command of each setting item to the server device 1 via the router 7 and the network 4.

  When the communication unit 17 of the server device 1 receives the setting contents of each setting item and the start command transmitted from the controller 3, the processing unit 11 starts trial calculation of the electricity bill.

  First, the period setting unit 12 sets a trial calculation target period based on the setting contents of the period transmitted from the controller 3. For example, when the trial calculation target period is set to the past year from the previous month, the acquisition unit 13 reads the power data of the trial calculation target customer facility 5 from the previous month from the storage unit 18.

  At this time, the determination unit 14 determines whether or not it is possible to estimate the electricity rate based on the data amount of the power data acquired by the acquisition unit 13. For example, the determination unit 14 determines that trial calculation is possible if the amount of power data is greater than or equal to a threshold, and determines that trial calculation is not possible if the amount of power data is less than the threshold.

  When the determination unit 14 determines that the trial calculation is possible, the charge calculation unit 15 calculates the electric charge based on the set contents of the power company, contract type, contract current, or contract capacity transmitted from the controller 3. Do. Here, since the power data used for the calculation of the electricity bill is the data of the power consumption measured every 30 minutes, it is applied to the case where the unit price of the electricity bill varies depending on the time zone, or to the actual electricity bill plan. Even in this case, it is possible to accurately estimate the electricity bill. In addition, when the power data of the power consumption is partially missing, the charge calculation unit 15 estimates the power consumption shortage data by complementing the data with a method such as linear interpolation, and the power data including the estimated value May be applied to the electricity bill plan, and the accuracy of the electricity bill will be improved.

  In this embodiment, the charge calculation unit 15 calculates a first electricity charge when power data for the past one year from the previous month is applied to a current charge plan (for example, plan A). Moreover, the charge calculation part 15 calculates the 2nd electricity charge at the time of applying the electric power data for the past one year from the last month to a comparison object plan (for example, plan B-E). Then, the charge calculation unit 15 calculates the difference between the first electricity charge and the second electricity charge. Here, the difference for plan B is (-5,000) yen for one year, the difference for plan C is (-4,000) yen for one year, and the difference for plan D is one year (+2,000) In the case of Yen and Plan E, it is assumed that a trial calculation result of a difference of (+3,000) yen was obtained in one year.

  When the trial calculation by the charge calculation unit 15 is completed, the output unit 16 creates display screen data for displaying the trial calculation result. Then, the output unit 16 transmits the created display screen data from the communication unit 17 to the controller 3 via the network 4 and the router 7. Upon receiving the display screen data, the controller 3 transmits the received display screen data to the information terminal device 8A via the router 7. When the communication unit 83 of the information terminal device 8A receives the display screen data, the processing unit 82 causes the display unit 81 to display the display screen.

  FIG. 5 is an example of the display screen 120.

  In the upper right of the display screen 120, an area 121 for displaying the current date and time is provided.

  On the left side of the display screen 120, an area 122 for displaying the current contract content is provided. In the area 122, the company name of the electric power company currently under contract, the name of the contract type (electricity plan) under contract, information on the contract capacity, and the setting contents of the target period (for example, the past month from the previous month) Is displayed.

  On the right side of the display screen 120, an area 123 for displaying a trial calculation result is provided. The area 123 displays the name (identification information) of the current rate plan and the comparison target plan, and the trial calculation result of the electricity rate for each plan. Here, the calculation result of the electricity charge in each plan is displayed as the difference between the electricity charge in the current charge plan (first electricity charge) and the electricity charge in the comparison plan (second electricity charge) In the case of the current rate plan, the trial calculation results are shown with zero difference.

  In the area 123, the calculation result of the electricity charge in each plan is displayed in descending order from the top, so the electricity charge plan displayed on the upper side is cheaper. Further, in the area 123, an object 124 indicating that the electricity charge is cheaper is displayed on the right side of the display of the electricity charge plan in which the electricity charge is lower than the current charge plan, that is, the electricity charge plan in which the difference is negative. Has been. Depending on the presence or absence of the object 124, it can be easily determined whether or not the electricity charge is cheaper than the current charge plan. In this way, corresponding to each of the plurality of electricity rate plans, an object having a different display mode may be displayed according to the difference in the amount of electricity charges from the current rate plan. It becomes easy to understand.

  In the area 123, a scroll bar 125, an up cursor button 126, and a down cursor button 127 are arranged on the right side of the space for displaying the trial calculation result. Therefore, when the number of electricity rate plans is large and the calculation results of all electricity rate plans cannot be displayed on the screen, the calculation is performed by operating the scroll bar 125, the up cursor button 126, the down cursor button 127, etc. The result can be scrolled up and down.

  Thus, since the first electricity rate in the current rate plan and the second electricity rate in the comparison target plan are displayed on the information terminal device 8A, the user of the information terminal device 8A can compare with the current rate plan. You can compare the electricity bill with the plan.

(4) Effects The electricity bill trial calculation system 10 according to the first aspect of the present invention includes a period setting unit 12, an acquisition unit 13, a fee calculation unit 15, and an output unit 16. The period setting unit 12 sets a period for trial calculation. The acquisition unit 13 acquires power data including power consumption at the customer facility 5 during the period set by the period setting unit 12. The charge calculation unit 15 includes a first electricity charge when applying power data to an electricity charge plan currently contracted with a power supplier that supplies power to the customer facility 5, and at least one other electricity charge. A second electricity charge when power data is applied to the plan is calculated. The output unit 16 outputs the calculation result of the fee calculation unit 15 to the display device (information terminal device 8A).

  Thereby, the charge calculation unit 15 can calculate the first electricity charge and the second electricity charge based on the data of the power consumption during the period set by the period setting unit 12. Therefore, the trial calculation target period can be set to a desired period, and therefore, the first electric charge and the second electric charge can be accurately obtained by excluding the period in which the power data of the power consumption is different from the normal value. You can estimate.

  In the electricity bill estimation system 10 of the second aspect according to the present invention, in the first aspect, the period setting unit 12 is configured to set at least one of the setting of the length of the period and the setting of the start point and end point of the period. It is preferable to set.

  Thus, a desired period can be set by the period setting unit 12.

  In the electricity bill estimation system 10 of the third aspect according to the present invention, in the first or second aspect, the charge calculator 15 may calculate the difference between the first electricity charge and the second electricity charge. The output unit 16 may output the difference between the first electric charge and the second electric charge calculated by the charge calculating unit 15 to the display device as a calculation result.

  In this way, the difference between the first electricity rate in the currently subscribed electricity rate plan and the second electricity rate in another electricity rate plan is displayed as the calculation result, so when the electricity rate plan is changed There is an advantage that it is easy to understand how much the electricity price changes.

  In the electricity bill trial calculation system 10 according to the fourth aspect of the present invention, in the third aspect, the output unit 16 uses the difference information (for example, name) and the difference calculation result to calculate the difference amount. You may arrange in order of big and small, and may output to a display apparatus.

  In this way, the identification information of the different electricity rate plans and the difference calculation results are arranged in the order of the difference, making it easier to see the estimated results of the electricity rate.

  In the electricity bill estimation system 10 according to the fifth aspect of the present invention, in any one of the first to fourth aspects, another electricity bill plan is a power supplier that supplies power to the customer facility 5. May be an electricity bill plan provided by.

  As a result, there is an advantage that it is easy to understand how much the electricity rate changes when switching to another electricity rate plan provided by the power supplier currently contracted.

  In the electricity bill estimation system 10 of the sixth aspect according to the present invention, in any one of the first to fifth aspects, another electricity bill plan is an electricity bill plan provided at the location of the customer facility 5. It is also preferable that there is.

  The electricity supplier may provide different electricity rate plans for each region, but the electricity rate plan provided at the location of the customer facility 5 is a separate electricity rate plan, so the electricity rate that can actually be contracted Electricity charges can be estimated with the plan.

  The electricity price calculation system 10 of the 7th aspect which concerns on this invention is the charge calculation part 15 based on the data amount of the power consumption amount acquired by the acquisition part 13 in any one 1st-6th aspect. May further include a determination unit 14 that determines whether or not the electric charge can be estimated.

  When the amount of power consumption data is small, there is a possibility that the accuracy of the estimation result of the electricity charge may be reduced, but the determination unit 14 determines whether or not the estimation is possible based on the amount of power consumption data. Therefore, it is possible to increase the reliability of the calculation result of the electricity bill.

  In the electricity bill estimation system 10 of the eighth aspect according to the present invention, in the seventh aspect, the determination unit 14 determines that the trial calculation is possible if the data amount of the power consumption is equal to or greater than the threshold, and the power consumption data If the amount is less than the threshold value, it may be determined that trial calculation is impossible.

  The determination unit 14 determines that the trial calculation is impossible if the data amount of the power consumption is less than the threshold, and can reduce the possibility of obtaining an inaccurate trial calculation result.

  In the electricity bill estimation system 10 according to the ninth aspect of the present invention, the charge calculator 15 is acquired by the acquisition unit 13 when the determination unit 14 determines that the trial calculation is possible in the seventh or eighth aspect. The electricity bill may be calculated by supplementing the shortage data that is insufficient in the power consumption data with an estimated value.

  Thereby, there exists an advantage that the precision of the trial calculation result of the electricity bill calculated by the charge calculation part 15 improves.

  The electricity bill calculation method according to the present invention includes the following steps. One step is a step of setting a period for trial calculation. One step is a step of acquiring power data including the amount of power consumed in the customer facility 5 during the trial calculation target period. One step includes a first electricity rate when applying power data to an electricity rate plan that is currently contracted with an electricity supplier that supplies electricity to the customer facility 5, and at least one other electricity rate plan This is a step of calculating the second electricity charge when the power data is applied to. One step is a step of outputting the calculation result to the display device (information terminal device 8A).

  Accordingly, the first electricity charge and the second electricity charge can be estimated based on the power consumption data in the set estimation target period. Therefore, the trial calculation target period can be set to a desired period, and therefore, the first electric charge and the second electric charge can be accurately obtained by excluding the period in which the power data of the power consumption is different from the normal value. You can estimate.

  Such an electricity bill estimation method is realized by installing application software and executing a program by the CPU in the server apparatus 1 mainly including a computer as in the present embodiment.

  The program according to the present invention is a program for causing the computer of the server device 1 to function as the period setting unit 12, the acquisition unit 13, the fee calculation unit 15, and the output unit 16. The period setting unit 12 sets a period for trial calculation. The acquisition unit 13 acquires power data including power consumption at the customer facility 5 during the period set by the period setting unit 12. The charge calculation unit 15 includes a first electricity charge when applying power data to an electricity charge plan currently contracted with a power supplier that supplies power to the customer facility 5, and at least one other electricity charge. A second electricity charge when power data is applied to the plan is calculated. The output unit 16 outputs the calculation result of the fee calculation unit 15 to the display device (information terminal device 8A).

  Thereby, the charge calculation unit 15 can calculate the first electricity charge and the second electricity charge based on the data of the power consumption during the period set by the period setting unit 12. Therefore, the trial calculation target period can be set to a desired period, and therefore, the first electric charge and the second electric charge can be accurately obtained by excluding the period in which the power data of the power consumption is different from the normal value. You can estimate.

  Thereby, in the electricity bill trial calculation system 10 of this embodiment, the charge calculation unit 15 calculates the first electricity charge and the second electricity charge based on the power consumption data in the period set by the period setting unit 12. You can estimate. Therefore, the trial calculation target period can be set to a desired period, and therefore, the first electric charge and the second electric charge can be accurately obtained by excluding the period in which the power data of the power consumption is different from the normal value. You can estimate.

  It should be noted that the electricity bill estimation method and program described in the present embodiment can be applied in combination with the technology described in the above embodiment and the following modifications. That is, the electricity bill estimation system of the present embodiment can be realized by causing a computer to execute a predetermined program. Moreover, the electricity bill calculation system of this embodiment can estimate the electricity bill by a predetermined electricity bill calculation method.

(5) Modifications The following is a list of electricity cost estimation systems according to modifications of the above embodiment. In addition, each structure of the modified example demonstrated below is applicable in combination with each structure demonstrated in the said embodiment suitably.

  In the present embodiment, on the display screen 120 displaying the trial calculation result, the difference between the first electricity charge when the power data is applied to the current charge plan and the second electricity charge when the power data is applied to the comparison target plan. Is displayed as a calculation result, but the display content is not limited to this. In the electricity bill trial calculation system 10, the trial calculation results of the first electricity bill and the second electricity bill may be displayed as they are. In addition, the display screen 120 displays the first electricity charge and the second electricity charge in order of decreasing electricity charges, but the display order of the first electricity charge and the second electricity charge is not limited to this. The first electricity charge and the second electricity charge may be displayed in order of increasing electricity charges. Further, on the display screen 120, the first electricity charge and the second electricity charge may be displayed in the order of the names of the electricity charge plans.

  In the present embodiment, the comparison target plan is another electricity rate plan provided by a power supplier who is currently contracted, but may be an electricity rate plan provided by another one or more power suppliers. The comparison target plan may be an electricity rate plan provided at the location of the customer facility 5 among the electricity rate plans provided by another one or a plurality of power suppliers. In addition, the comparison target plan is a plurality of electricity rate plans including another electricity rate plan provided by a currently contracted electricity supplier and an electricity rate plan provided by another one or more electricity suppliers. Also good.

  In the present embodiment, a detached house is described as an example of the customer facility 5. However, the present invention is not limited to this example, and the customer facility 5 is a house other than a detached house such as each dwelling unit of an apartment house, or office work. It may be a non-house such as a place or a store.

  In the electricity bill trial calculation system of this embodiment, the trial calculation target period is set to either the previous month, the past three months including the previous month, or the past one year including the previous month. It may be set to a period or may be a period of one year or more. It should be noted that since the amount of power consumption varies depending on the season, it is preferable to target a period of one year or longer, but the month corresponding to the season such as summer or winter when the amount of power consumption increases is set as the target period. May be.

  Further, the information terminal device is not limited to the information terminal device 8 </ b> A that is a dedicated monitor device provided in the customer facility 5. The information terminal device may be an information terminal device 8B such as a smartphone used inside the customer facility 5. When the information terminal device 8B is used inside the customer facility 5, the information terminal device 8B performs short-range wireless communication conforming to the Wi-Fi (registered trademark) standard, whereby the controller 3 is connected via the router 7. Connected to. The information terminal device may be an information terminal device 8 </ b> C such as a smartphone used outside the customer facility 5. When the information terminal device 8C is used outside the customer facility 5, the information terminal device 8C is connected to the network 4 via, for example, a mobile phone network. The information terminal device may be an information terminal device connectable to a network such as a personal computer or a smart TV.

  Moreover, the electricity bill estimation system 10 is not limited to one device, and may be configured by a plurality of devices. That is, the electricity bill estimation system 10 may be configured by the server device 1 as an example, or may be configured by the controller 3 and the server device 1. Thus, when the electricity bill calculation system 10 is configured by a plurality of devices, the server device 1 may calculate the electricity bill based on the power consumption data acquired from the controller 3. Moreover, the function of the electricity bill calculation system 10 may be distributed and provided in two or more of the server device 1, the controller 3, and the information terminal device 8. The function of calculating the electricity charge may be provided in the controller 3 or the information terminal device 8 instead of the server device. In this case, the controller 3 or the information terminal device 8 calculates the electricity charge and displays the result of the calculation. Is created. Moreover, the electricity bill estimation system 10 may be realized by cloud (cloud computing).

  Further, in the case where an external display device such as a smart TV is provided separately from the information terminal device 8A, the information terminal device 8A controls the display unit of the external display device by the processing unit 82 to perform external display. The apparatus may be configured to display a setting screen or a display screen. Specifically, the information terminal device 8A is connected to an external display device by a cable, for example, or connected to an external display device via a network such as a LAN, and transmits a video signal to the external display device, thereby A setting screen or a display screen is displayed on the display unit. That is, the information terminal device 8A is not limited to a configuration that displays a screen on its own display unit 81, and may be configured to display a screen on a display unit of an external display device. As described above, when the setting screen or the display screen is displayed on the display unit of the external display device, the information terminal device 8 </ b> A may not include the display unit 81. In this case, the external display device is also included in the components of the electricity bill estimation system 10.

  Further, the measurement system 20 is not limited to the configuration in which the measurement unit 21 is provided in the cabinet of the distribution board 6 as in the present embodiment, and for example, the configuration in which the measurement unit 21 is provided outside the cabinet of the distribution board 6. It may be. Furthermore, the measuring system 20 may be configured such that a measuring device is built in an outlet (outlet) included in the branch circuit 70, or a measuring device is connected between the outlet and an electrical device.

  Note that the measurement unit 21 may acquire the power consumption amount of each branch circuit from the current value of the main line measured by the current sensor 23. Moreover, when the communication adapter 22 can communicate with the smart meter provided in the customer facility 5, the measurement unit 21 may acquire the power consumption of each branch circuit based on the measurement value acquired from the smart meter. .

DESCRIPTION OF SYMBOLS 1 Server apparatus 3 Controller 8A, 8B, 8C Information terminal apparatus 10 Electricity trial calculation system 12 Period setting part 13 Acquisition part 14 Determination part 15 Charge calculation part 16 Output part

Claims (11)

A period setting section for setting a period for trial calculation;
An acquisition unit that acquires power data including power consumption at a customer facility in the period set by the period setting unit;
A first electric charge when the electric power data is applied to an electric charge plan currently contracted with an electric power supplier that supplies electric power to the consumer facility, and the electric power data to at least one other electric charge plan A charge calculation unit for calculating the second electricity charge when applying
An output unit for outputting a calculation result of the charge calculation unit to a display device;
An electricity bill estimation system with The period setting unit sets at least one of the setting of the length of the period and the setting of the start point and end point of the period.
The electricity bill calculation system according to claim 1. The charge calculation unit calculates a difference between the first electricity charge and the second electricity charge;
The output unit outputs the difference between the first electricity charge and the second electricity charge calculated by the charge calculation unit to the display device as the calculation result;
The electricity bill estimation system according to claim 1 or 2. The output unit arranges the identification information of the another electricity rate plan and the calculation result of the difference in the order of the difference and outputs it to the display device.
The electricity bill calculation system according to claim 3. The another electricity rate plan is an electricity rate plan provided by a power supplier supplying power to the customer facility.
The electricity bill estimation system according to any one of claims 1 to 4. The another electricity rate plan is an electricity rate plan provided at the location of the customer facility,
The electricity bill calculation system according to any one of claims 1 to 5. Based on the data amount of the power consumption acquired by the acquisition unit, the determination unit further determines whether or not the charge calculation unit can estimate the electricity bill,
The electricity bill calculation system according to any one of claims 1 to 6. The determination unit determines that a trial calculation is possible if the data amount of the power consumption is greater than or equal to a threshold, and determines that a trial calculation is not possible if the data amount of the power consumption is less than a threshold;
The electricity bill calculation system according to claim 7. When the determination unit determines that a trial calculation is possible,
The charge calculation unit supplements the shortage data that is insufficient in the power consumption data acquired by the acquisition unit with an estimated value, and calculates an electricity charge.
The electricity bill estimation system according to claim 7 or 8. A step to set the trial period,
Obtaining power data including power consumption at a customer facility during the trial calculation period;
A first electric charge when the electric power data is applied to an electric charge plan currently contracted with an electric power supplier that supplies electric power to the consumer facility, and the electric power data to at least one other electric charge plan Calculating the second electricity rate when applying
Outputting the calculation result to a display device;
Including electricity bill calculation method. Computer
Period setting part that sets the period for trial calculation,
An acquisition unit for acquiring power data including power consumption at a customer facility in the period set by the period setting unit;
A first electric charge when the electric power data is applied to an electric charge plan currently contracted with an electric power supplier that supplies electric power to the consumer facility, and the electric power data to at least one other electric charge plan A charge calculator that calculates the second electricity charge when applying
An output unit that outputs a calculation result of the charge calculation unit to a display device;
Program to function as.

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