JP2010048451A - Electric power information reporting system and electric power information reporting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric power information reporting system and an electric power information reporting device informing a tenant charged with electric power charge through a bill that the electric power consumption and electric power charge written in the bill are fair numerical values. <P>SOLUTION: An air conditioning controller 4 of the electric power information reporting system 1 proportionates electric power consumption with respect to each indoor unit 2a-2c, and calculates electric power charge with respect to the electric power consumption in each indoor unit 2a-2c. The air conditioning controller 4 encrypts the electric power consumption and electric power charge in each indoor unit 2a-2c to generate codes, and outputs bill data including the codes to a management computer 5. When receiving the codes via the Internet 7, a center server 6 decrypts the codes and takes out the electric power consumption and electric power charge in each indoor unit 2a-2c. The taken-out electric power consumption and electric power charge in each indoor unit 2a-2c are reported to terminals TA-TC. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a power information notification system and a power information notification device.

Conventionally, as shown in Patent Document 1, some air conditioning controllers that control and control a plurality of indoor units have a function of apportioning power consumption for each indoor unit. Such an air conditioning controller is often used when an indoor unit is installed in a store of each tenant in a property where a plurality of tenants are occupying.
JP 2004-144348 A

  By the way, in the property as described above, the management company entrusted by the property owner manages the consumption of each indoor unit based on the apportionment result by the air conditioning controller (specifically, the power consumption for each indoor unit). Calculate the electricity charge for the amount of electricity and issue a bill with the calculated electricity charge to each tenant. However, from the tenant side who receives the invoice from the management company, there is a fear that the management company may be charging for a surcharge of the electricity bill.

  Therefore, the present invention provides a power information notification system and a power information notification that allow a tenant charged for a power fee through a bill to know that the power consumption amount and the power fee in the bill are numerical values that are not fraudulent. The purpose is to provide a device.

  The power information notification system according to the first aspect includes a distribution unit, a calculation unit, an encryption code generation unit, a data output unit, a reception unit, a decryption unit, and a notification unit. The apportioning unit apportions the power consumption for each air conditioning unit based on the operation state of each of the plurality of air conditioning units. The calculation unit calculates a power charge for the power consumption for each air conditioning unit based on the apportionment result of the apportioning unit. The encryption code generation unit generates an encryption code by encrypting at least one of the apportioning result of the apportioning unit and the operation result of the operation unit in each air conditioning unit. The data output unit outputs bill data in each air conditioning unit. The invoice data is attached with an encryption code together with at least one of the apportioning result of the apportioning unit and the operation result of the calculating unit. The accepting unit accepts the encryption code via the communication network. The decryption unit decrypts the encryption code received by the reception unit, and takes out at least one of the apportionment result of the apportioning unit and the operation result of the operation unit. The notification unit notifies at least one of the distribution result of the distribution unit extracted by the decoding unit and the calculation result of the calculation unit.

  According to this power information notification system, an encryption code is generated by encrypting at least one of the power consumption of each air conditioning unit and the corresponding power charge, and the generated encryption code is consumed by each air conditioning unit. It is attached to the bill together with at least one of the electric energy and the electric power charge and outputted. Then, when the encryption code in the bill is received by the reception unit, the encryption code is decrypted, and information before the encryption code is obtained, that is, the power consumption amount and the power charge of each air conditioning unit are notified. As a result, the tenant who is billed for the power bill through the bill, for example, by accessing the Web and entering the encryption code in the bill to inquire, the power consumption amount and the power bill in the bill are numerical values that are not illegal. You can know that there is. Therefore, the property management company is less likely to be suspicious from the tenant side that he / she is making a bill for inflating the electricity bill. Further, according to the power information notification system, the power consumption amount and the power charge of each air conditioning unit are encrypted and decrypted, and therefore do not need to be stored in a database or the like.

  The power information notification system according to a second aspect of the present invention is the power information notification system according to the first aspect, wherein the encryption code is a two-dimensional barcode. Then, the reception unit acquires the two-dimensional barcode in the bill data read by the reading unit that can read the two-dimensional barcode.

  Here, examples of the reading unit include a portable terminal with a camera equipped with a barcode reading function. When the two-dimensional barcode in the invoice is read by the camera-equipped mobile terminal, the data about the read two-dimensional barcode is transmitted to the reception unit by the transmission function of the mobile terminal. The two-dimensional barcode received by the reception unit is decrypted, and information before encryption is notified. Therefore, the tenant can easily confirm that the power consumption amount and the power charge in the bill are correct values via the portable terminal.

  The power information notification system according to a third aspect of the present invention is the power information notification system according to the first or second aspect, wherein the decryption unit receives at least one of the apportionment result of the apportioning unit and the operation result of the operation unit by the encryption code generation unit. The encryption code is decrypted with the key information used for encryption.

  According to this power information notification system, the same key information is used for encrypting the apportioning result of the apportioning unit and the operation result of the operation unit and decrypting the encryption code. Therefore, the encryption code received by the receiving unit is normally decrypted.

  The power information notification device according to a fourth aspect includes a distribution unit, a calculation unit, a first storage unit, a reception unit, and a transmission unit. The apportioning unit apportions the power consumption for each air conditioning unit based on the operation state of each of the plurality of air conditioning units. The calculation unit calculates a power charge for the power consumption for each air conditioning unit based on the apportionment result of the apportioning unit. A 1st memory | storage part memorize | stores the apportioning result of the apportioning part in each air-conditioning part, and the operation result of the calculating part. The receiving unit can receive at least one notification request of the apportionment result of the apportioning unit and the operation result of the operation unit via a web page browsed through an external terminal connected to the Internet. When the receiving unit receives the notification request, the transmitting unit displays the apportioning result of the apportioning unit and the apportioning result of the apportioning unit so that at least one of the apportioning result of the apportioning unit and the operation result of the operating unit in the first storage unit is displayed on the web page. At least one of the calculation results of the calculation unit is transmitted to the external terminal.

  The power information notification device transmits a power consumption amount and a power charge to the external terminal when a notification request for the power consumption amount and the power charge of each air conditioning unit is made via the external terminal. Thereby, the external terminal can confirm the power consumption and the power charge via the web page. Therefore, the tenant who has been billed for the power charge through the bill can know that the power consumption amount and the power bill in the bill are values that are not illegal by accessing the power information notification device.

  The power information notification device according to a fifth aspect of the present invention is the power information notification device according to the fourth aspect of the present invention, wherein the first storage unit further stores the apportionment result of the apportioning unit and the operation state of each air conditioning unit with respect to the operation result of the operation unit. . And when the receiving unit receives the notification request, the transmitting unit stores the apportioning result of the apportioning unit and the operation state of the air conditioning unit with respect to the operation result of the calculating unit in the first storage unit so as to be further displayed on the web page. The operating state of the air conditioning unit is further transmitted to the external terminal.

  This power information notification device, when a request for notification of power consumption and power charge of each air conditioning unit is made via an external terminal, displays not only the power consumption and power charge but also the operating state of the corresponding air conditioning unit. Send to further. Thereby, on the web page of the external terminal, in addition to the power consumption and the power charge, the current operating state of the air conditioning unit that has consumed this power is displayed. Therefore, the tenant who is billed for the power charge through the invoice confirms whether the power consumption and the power charge displayed on the web page are appropriate values based on the operating status of the air conditioning unit on the web page. can do. In addition, alteration of the web page by a third party can be prevented.

  The power information notification device according to a sixth aspect of the present invention is the power information notification device according to the fourth or fifth aspect, further comprising a second storage unit. The second storage unit stores information related to the notification request received by the receiving unit as history information.

  Information related to the notification request includes the name of the user who made the notification request, the IP address of the external terminal, the date and time when the notification request was made, and the like. This electric power information alerting | reporting apparatus memorize | stores the information regarding the said alerting | reporting request | requirement as historical information, when the alerting | reporting request | requirement of the power consumption of each air-conditioning part and an electric power charge is made via an external terminal. That is, the power information notification device stores a log when the device itself is accessed. Thus, by displaying the history information in the second storage unit on, for example, the display unit of the power information notification device, the administrator who manages the power information notification device is informed of the amount of power consumption and the power charge. You can know if you are making a request.

  The power information notification device according to a seventh aspect includes a distribution unit, a calculation unit, and an output unit. The apportioning unit apportions the power consumption for each air conditioning unit based on the operating state of each air conditioning unit. The calculation unit calculates a power charge for the power consumption for each air conditioning unit based on the apportionment result of the apportioning unit. The output unit outputs the bill data in a form that cannot be edited. The invoice data includes the apportionment result of the apportioning unit and the operation result of the operation unit in each air conditioning unit.

  As a form that cannot be edited, there is a PDF file. According to this power information notification device, the bill describing the power consumption amount and the power charge of the air conditioning unit is not an editable form such as a CSV file or an EXCEL file, but an uneditable form such as a PDF file. Is output. Therefore, since the property management company cannot process the invoice data, it is less likely to be suspected by the tenant that it may be billed for a surcharge of the electricity rate.

  According to the power information notification system according to the first aspect of the invention, the tenant who has been billed for the power charge through the bill, for example, accesses the Web, inputs the encryption code in the bill, and inquires, It is possible to know that the electricity charge is a numerical value without fraud. Therefore, the property management company is less likely to be suspicious from the tenant side that he / she is making a bill for inflating the electricity bill. Further, according to the power information notification system, the power consumption amount and the power charge of each air conditioning unit are encrypted and decrypted, and therefore do not need to be stored in a database or the like.

  According to the power information notification system according to the second aspect, the tenant can easily confirm that the power consumption amount and the power charge in the bill are numerical values without fraud via the mobile terminal.

  According to the power information notification system according to the third aspect, the encrypted code received by the receiving unit is normally decrypted.

  According to the power information notification apparatus according to the fourth aspect, the external terminal can confirm the power consumption amount and the power charge via the web page. Therefore, the tenant who has been billed for the power charge through the bill can know that the power consumption amount and the power bill in the bill are values that are not illegal by accessing the power information notification device.

  According to the power information notification apparatus according to the fifth aspect of the present invention, the tenant who is charged for the power charge through the invoice has the appropriate amount of power consumption and power displayed on the web page from the operating state of the air conditioning unit on the web page. It is possible to check whether the value is correct.

  According to the power information notification device according to the sixth aspect of the present invention, the administrator who manages the power information notification device by displaying the history information in the second storage unit on the display unit of the power information notification device, for example, It is possible to know whether the notification request for the power consumption and the power charge is being made.

  According to the power information notification apparatus according to the seventh aspect of the invention, since the property management company cannot process the bill data, it is less likely to be suspected by the tenant that it may be billed for a surcharge of power charges.

  Hereinafter, a power information notification system and a power information notification device according to the present invention will be described in detail with reference to the drawings.

<First Embodiment>
(1) Outline and Configuration of System FIG. 1 is a diagram schematically showing a configuration of a power information notification system 1 according to the first embodiment of the present invention. The power information notification system 1 includes a plurality of indoor units 2a, 2b, and 2c installed in a plurality of sections RA, RB, RC (hereinafter referred to as sections RA to RC) in one property. ... (corresponding to an air-conditioning unit; hereinafter referred to as indoor units 2a to 2c) has a function as a so-called air-conditioning system that is controlled by the air-conditioning controller 4. Furthermore, the power information notification system 1 according to the present embodiment generates an encryption code for the power consumption and power charge of each of the indoor units 2a to 2c, and decrypts the encryption code when the encryption code is received from the outside. It has a function as a system for notifying information related to power, such as notifying the power consumption and power charges of the indoor units 2a to 2c.

  As shown in FIG. 1, such a power information notification system 1 mainly includes a plurality of indoor units 2 a to 2 c, an outdoor unit 3, an air conditioning controller 4, a management computer 5, and a center server 6.

  The indoor units 2a to 2c are ceiling-mounted indoor units that can blow out air in four directions, and one unit is installed in each section RA to RC in one property. Air conditioning operation is performed in RA to RC. One outdoor unit 3 is installed on the rooftop of a property and connected to all the indoor units 2a to 2c. Although not shown, the outdoor unit 3 is connected to a watt hour meter for measuring the total power consumed in all the indoor units 2a to 2c. The air conditioning controller 4 is provided on a wall of a property management room or the like, and is connected to the outdoor unit 3 through wiring so as to be communicable. The management computer 5 is installed in a room other than the sections RA to RC, such as a management room in the property, and is communicably connected to the air conditioning controller 4 via the Ethernet (registered trademark). . The center server 6 is installed in a property different from the property in which the indoor units 2 a to 2 c and the management computer 5 are installed, and is connected to the Internet 7.

  Here, tenants A, B, C (hereinafter referred to as tenants A to C) are occupying the sections RA to RC in which the indoor units 2a to 2c are installed. In each of the sections RA to RC, terminals TA, TB, TC (hereinafter referred to as terminals TA to TC) which are PCs connected to the Internet 7 are installed one by one. Yes. That is, each of the terminals TA to TC can access the center server 6 via the Internet 7. In the present embodiment, since the management computer 5 and the air conditioning controller 4 are not connected to the Internet 7, the terminals TA to TC are inaccessible to the management computer 5 and the air conditioning controller 4.

(2) Configuration of Indoor Unit, Outdoor Unit, Air Conditioning Controller, and Center Server Next, among the devices configuring the power information notification system 1 described above, other configurations excluding the management computer 5, that is, the indoor units 2a to 2a. Each configuration of 2c, the outdoor unit 3, the air conditioning controller 4, and the center server 6 will be described.

(2-1) Indoor unit and outdoor unit In the following description of the configuration of the indoor units 2a to 2c, since all the indoor units 2a to 2c have the same structure, the indoor units 2a to 2c are simply referred to for convenience of explanation. It is described as “Indoor unit 2”.

[Indoor unit]
As shown in FIGS. 1 and 2, the indoor unit 2 mainly includes a main body 21, a receiving unit 22, a plurality of upper and lower flaps 23, a plurality of left and right louvers 24, an indoor fan 25, an indoor temperature thermistor 26, and a control unit 27. is doing. The main body 21 has a box shape, and four blowout ports 21a, 21b, 21c, and 21d are formed on the lower surface (see FIG. 1). Each of the outlets 21 a to 21 d is formed in an elongated shape along four sides on the lower surface of the main body 21. The receiving unit 22 is provided on the lower surface of the main body 21 and sets an air conditioning operation instruction, an air volume, and an air direction via a remote controller (not shown) operated by a tenant clerk in each of the sections RA to RC. Changes can be accepted. The plurality of upper and lower flaps 23 and the plurality of left and right louvers 24 are provided in the vicinity of the outlets 21 a to 21 d of the main body 21, respectively. The upper and lower flaps 23 are wind direction adjusting plates for guiding the conditioned air blown from the respective outlets 21a to 21d in the vertical direction, and are formed in an elongated rectangular shape similar to the shapes of the respective outlets 21a to 21d. . Each of the upper and lower flaps 23 can be opened and closed by rotating up and down with respect to the main body 21. The left and right louvers 24 are wind direction adjusting plates for guiding the conditioned air blown from the respective outlets 21 a to 21 d in the left and right directions, and can be rotated left and right with respect to the main body 21.

  The indoor fan 25 is provided inside the main body 21, and generates an air flow so that conditioned air is sent into the room through each of the outlets 21 a to 21 d. The room temperature thermistor 26 detects the temperature near the indoor unit 2. The control unit 27 is connected to the receiving unit 22, the indoor temperature thermistor 26, and various motors, and controls these various devices. Examples of the various motors include a motor that functions as a drive source for the upper and lower flaps 23, a motor that functions as a drive source for the left and right louvers 24, and a motor that functions as a drive source for the indoor fan 25. Further, inside the main body 21, although not shown, a heat exchanger or the like for exchanging heat with air before being sent indoors is provided. The control unit 27 is connected to the control unit 37 of the outdoor unit 3 via a communication line, and performs communication for various controls with the control unit 37 on the outdoor unit 3 side. In FIG. 2, for convenience of the drawing, the communication means between the control unit 27 and the control unit 37 is omitted, and the control unit 27 and the control unit 37 are represented as one control unit.

〔Outdoor unit〕
The outdoor unit 3 mainly includes a communication unit 31, a compressor 32, a four-way switching valve 33, an electric valve 34, an outdoor fan 35, an outdoor temperature thermistor 36, and a control unit 37. The communication unit 31 is a communication interface that communicates with the air conditioning controller 4, and transmits, for example, current operation states of the indoor units 2 a to 2 c to the air conditioning controller 4. The compressor 32 compresses the refrigerant, and the four-way switching valve 33 switches the flow direction of the refrigerant. The motor operated valve 34 adjusts the refrigerant pressure and the refrigerant flow rate. The compressor 32, the four-way selector valve 33, and the motor operated valve 34 constitute a refrigerant circuit together with an outdoor heat exchanger (not shown). The outdoor fan 35 generates an air flow such that air after heat exchange in an outdoor heat exchanger (not shown) is discharged to the outside. The outdoor temperature thermistor 36 detects the outside air temperature. The control unit 37 is connected to the communication unit 31, the four-way switching valve 33, the motor operated valve 34, the outdoor temperature thermistor 36, and various motors, and controls these various devices. Examples of the various motors include a motor that functions as a drive source for the compressor 32 and a motor that functions as a drive source for the outdoor fan 35.

(2-2) Air-conditioning controller As shown in FIG. 3, the air-conditioning controller 4 includes an outdoor unit communication unit 41, an operation panel 42, a control unit 45, and an Ethernet communication unit 46 (corresponding to a data output unit).

[Communication Department for Outdoor Unit]
The outdoor unit communication unit 41 is a communication interface for communicating with the outdoor unit 3, and can receive the current operating state of each of the indoor units 2 a to 2 c from the outdoor unit 3. Here, as the current operation state, the type of air conditioning operation performed by each indoor unit 2a to 2c, such as heating operation or dehumidification operation, the opening degree of the electromagnetic valve of each indoor unit 2a to 2c, each indoor unit 2a The set temperature of ˜2c, the set air volume and the like can be mentioned.

  In addition, as described above, the outdoor unit 3 according to the present embodiment is connected to the watt hour meter in addition to the indoor units 2a to 2c and the air conditioning controller 4. Therefore, the outdoor unit communication unit 41 can obtain the total power consumption of all the indoor units 2a to 2c from the watt hour meter via the outdoor unit 3 at a predetermined time interval. An example of the predetermined time interval is 1 hour.

〔control panel〕
The operation panel 42 includes a display unit 43 and an operation unit 44. The display unit 43 is a touch panel including, for example, a liquid crystal display and a matrix switch, and can display various screens. As a screen which the display part 43 displays, the setting screen for setting the setting temperature of each indoor unit 2a-2c, an air volume, a wind direction, etc. is mentioned. The operation unit 44 includes, for example, various keys such as a determination key, a selection key, and a numeric key, and a pen-type pointing device. Such an operation unit 44 is used when various settings relating to the air conditioning operation of the indoor units 2a to 2c are performed based on various screens displayed on the display unit 43.

(Control part)
The control unit 45 is configured by a microcomputer including a memory such as a ROM or a RAM and a CPU. The control unit 45 is connected to the outdoor unit communication unit 41, the display unit 43 and the operation unit 44 in the operation panel 42, and an Ethernet communication unit 46 described later, and controls each connected functional unit. In particular, when the outdoor unit communication unit 41 receives the operation state of each of the indoor units 2a to 2c from the outdoor unit 3, the control unit 45 according to the present embodiment consumes power consumed in each of the indoor units 2a to 2c. And calculate electricity charges. Then, after encrypting the calculation result, the control unit 45 causes the data including the encrypted calculation result to be sent to the management computer 5. In order to perform such an operation, the control unit 45 functions as a distribution unit 45a, a calculation unit 45b, an encryption code generation unit 45c, and a bill data generation unit 45d.

  The apportioning unit 45a apportions the power consumption for each of the indoor units 2a to 2c based on the operation state of each of the indoor units 2a to 2c received by the outdoor unit communication unit 41. Specifically, the outdoor unit communication unit 41 displays the operation state of each of the indoor units 2a to 2c together with the total power consumption in all the indoor units 2a to 2c measured by a watt-hour meter (not shown). , The apportioning unit 45a apportions the received total power consumption based on the received air-conditioning operation type of each of the indoor units 2a to 2c, the opening degree of the electromagnetic valve, and the like. For example, if all the indoor units 2a to 2c are in the cooling operation, the apportioning unit 45a apportions the total power consumption so that it is proportional to the opening degree of the electromagnetic valve of each indoor unit 2a to 2c. With such an operation, the power consumption of each of the indoor units 2a to 2c at every predetermined time interval is obtained. Further, the apportioning unit 45a repeats such an operation at predetermined time intervals and integrates the power consumption at the predetermined time intervals for each of the indoor units 2a to 2c, for example, for a predetermined period of one month. The power consumption of each indoor unit 2a-2c is calculated | required.

  The calculation unit 45b calculates a power charge for the power consumption of each of the indoor units 2a to 2c based on the apportionment result of the apportioning unit 45a, that is, the power consumption of each of the indoor units 2a to 2c. Specifically, the calculation unit 45b apportions power charges in a predetermined period of the entire property so as to be proportional to the power consumption of the indoor units 2a to 2c in the predetermined period obtained by the apportioning unit 45a. Then, a power charge for the power consumption of each of the indoor units 2a to 2c is calculated. As for the power charges for a predetermined period of the entire property, what is reported from the power company is input via the operation panel 42.

  The encryption code generation unit 45c encrypts the apportionment result of the apportioning unit 45a and the operation result of the operation unit 45b, that is, the power consumption amount and the power charge of each of the indoor units 2a to 2c. Specifically, the encryption code generation unit 45c according to the present embodiment generates a character code in which numbers and characters are enumerated by encrypting the power consumption amount and the power charge in each indoor unit 2a to 2c for a predetermined period. To do. The power consumption and the power charge for each of the indoor units 2a to 2c encrypted by the encryption code generation unit 45c in this way are referred to as encryption codes.

  The invoice data generation unit 45d includes the apportionment result of the apportioning unit 45a and the calculation result of the operation unit 45b. The power consumption and power charge of each of the indoor units 2a to 2c, the encryption code generated by the encryption code generation unit 45c, Is attached to each of the indoor units 2a to 2c. That is, the bill data generation unit 45d generates bill data by the number of the indoor units 2a to 2c provided in the sections RA to RC. Such bill data generation operation is performed at predetermined intervals, as in the calculation operation of the power consumption and power charge of each of the indoor units 2a to 2c and the generation operation of the encryption code.

[Communication section for Ethernet]
The Ethernet communication unit 46 is a communication interface for communicating with the management computer 5 via Ethernet. Specifically, the Ethernet communication unit 46 transmits the bill data for each of the indoor units 2a to 2c generated by the bill data generation unit 45d to the management computer 5 via the Ethernet.

  The management computer 5 receives the bill data of the indoor units 2a to 2c when it is sent from the air conditioning controller 4. The received invoice data is printed on a sheet by a property management company using the management computer 5 and is sent to each tenant A to C occupying the sections RA to RC where the indoor units 2a to 2c are installed. Passed. FIG. 4 is an example of an invoice p1 delivered to the tenant A. As shown in FIG. 4, the bill p1 includes an encryption code info3 which is a character code obtained by encrypting the power consumption info1 and the power charge info2 in addition to the power consumption info1 and the power charge info2 of the indoor unit 2a. Are listed.

(2-3) Center Server As shown in FIG. 5, the center server 6 mainly includes an Internet communication unit 61 (corresponding to a reception unit and a notification unit) and a control unit 62.

[Communication Department for Internet]
The Internet communication unit 61 is a communication interface for communicating with the terminals TA to TC in the sections RA to RC via the Internet 7. Specifically, the Internet communication unit 61 receives, via the Internet 7, an encryption code in a bill that is input and transmitted by a tenant clerk using the keyboards of the terminals TA to TC. That is, the Internet communication unit 61 receives the encryption code attached to the bill data output from the air conditioning controller 4 to the management computer 5 from the terminals TA to TC that cannot communicate with the management computer 5. Can do.

  In addition, the Internet communication unit 61 transmits the decryption result of the encryption code decrypted by the control unit 62 described later to the terminals TA to TC that are the transmission source of the encryption code. For example, when the encryption code info3 “7A24B698” in the bill p1 (FIG. 4) delivered from the management company to the tenant A is transmitted from the terminal TA, the decryption result of the encryption code info3 “7A24B698” is transmitted to the terminal TA. Sent.

(Control part)
The control unit 62 is configured by a microcomputer including a memory such as a ROM or a RAM and a CPU. The control unit 62 according to the present embodiment functions as a decryption unit 62a and a communication control unit 62b.

  The decryption unit 62a decrypts the encryption code received by the Internet communication unit 61, and extracts the apportionment result of the apportioning unit 45a and the operation result of the operation unit 45b in the air conditioning controller 4. That is, since the encryption code is obtained by encrypting the power consumption and the power charge in any of the indoor units 2a to 2c by the encryption code generation unit 45c in the air conditioning controller 4, the decryption unit 62a By decrypting the encryption code sent from TC, the power consumption and the power charge in any of the indoor units 2a to 2c can be acquired from the encryption code itself.

  Note that the decryption unit 62a according to the present embodiment encrypts the power consumption amount and the power charge of each of the indoor units 2a to 2c in the air conditioning controller 4 when the encryption code is decrypted. The key information used in the above is used. That is, the same information as the key information used when generating the encryption code is used for decryption of the encryption code. Therefore, the encryption code can be normally and easily decrypted.

  The communication control unit 62b performs communication control of the Internet communication unit 61. Specifically, the communication control unit 62b determines whether the apportioning result and the calculation result extracted by the decrypting unit 62a, that is, the power consumption and the power charge in any of the indoor units 2a to 2c are encrypted codes via the Internet 7. Communication control of the communication unit 61 for Internet is performed so that it is transmitted to the terminals TA to TC which are transmission sources.

  According to the center server 6 described above, for example, a screen as shown in FIG. 6 is displayed on the display unit of the terminals TA to TC to which the encryption code is input. FIG. 6 shows an example of a screen sq1 when the terminal TA transmits the encryption code info3 “7A24B698” of FIG. 4 to the center server 6 and the terminal TA displays the power consumption and the power charge in the indoor unit 2a. Is shown. The screen sq1 in FIG. 6 is displayed as a web page using, for example, a web browser.

(3) Operation of Power Information Notification System Next, the operation of the above-described power information notification system 1 will be described. FIG. 7 is a diagram for explaining an operation flow of the power information notification system 1 according to the present embodiment.

  First, the outdoor unit 3 confirms the operating state of each of the indoor units 2a to 2c every predetermined time interval, and obtains the total power consumption of all the indoor units 2a to 2c from a watt hour meter (not shown). To do. And the outdoor unit 3 transmits the operation state of each indoor unit 2a-2c and the total power consumption of all the indoor units 2a-2c to the air-conditioning controller 4 (# 1).

  When the air conditioning controller 4 receives the operating state of each indoor unit 2a to 2c and the total power consumption of all the indoor units 2a to 2c from the outdoor unit 3 (# 2), the consumption of each indoor unit 2a to 2c at a predetermined time interval. The electric energy is apportioned and integrated for each of the indoor units 2a to 2c, and the electric power consumption of each of the indoor units 2a to 2c in a predetermined period is obtained. Furthermore, the air-conditioning controller 4 calculates | requires the electric power charge with respect to the power consumption of each indoor unit 2a-2c in a predetermined period (# 3). And the air-conditioning controller 4 encrypts the electric power consumption and electric power charge of each indoor unit 2a-2c in a predetermined period, and produces | generates an encryption code for every indoor unit 2a-2c (# 4). Next, the air-conditioning controller 4 generates bill data to which the amount of power consumption, the power charge, and the generated encryption code of each indoor unit 2a to 2c in a predetermined period are attached for each indoor unit 2a to 2c. Data is transmitted to the management computer 5 (# 5).

  The management computer 5 receives the bill data in each of the indoor units 2a to 2c sent from the air conditioning controller 4 (# 6). The received invoice data is printed on a sheet as shown in FIG. 4 by the property management company using the management computer 5, and occupies the sections RA to RC in which the indoor units 2a to 2c are respectively installed. It is passed to each tenant A to C (# 7).

  The clerk of tenants A to C accesses the center server 6 using the terminals TA to TC in order to confirm whether or not the bill received from the property management company is correct, and the encryption code in the bill is stored in the terminal TA. Input to the Web page through the keyboard of TC (# 8). The encryption code input to the terminals TA to TC is transmitted to the center server 6 via the Internet 7.

  When the center server 6 receives the encryption code sent from the terminals TA to TC via the Internet 7 (# 9), the center server 6 decrypts the encryption code (# 10) and decrypts the result, that is, the indoor units 2a to 2a. The amount of power consumption and power charge in any of 2c are acquired. Next, the center server 6 displays the power consumption amount and the power charge of any one of the indoor units 2a to 2c as a result of decryption on the display unit of the terminal TA to TC that is the transmission source of the encryption code. (# 11).

  Accordingly, as shown in FIG. 6, the power consumption of the indoor units 2a to 2c with respect to the input encryption code and the display units of the terminals TA to TC to which the encryption code has been input by the clerk of the tenants A to C and The power charge is displayed (# 12).

(4) Effect (A)
According to the power information notification system 1 according to the present embodiment, the power consumption amount of each of the indoor units 2a to 2c and the power charge corresponding thereto are encrypted by the air conditioning controller 4, whereby an encryption code is generated. The generated encryption code is attached to the bill data together with the power consumption and the power charge of each of the indoor units 2a to 2c, and is output to the management computer 5. When each terminal TA to TC accesses the center server 6 and the encryption code in the bill issued to each tenant is input via any of the terminals TA to TC, the input encryption code is Decrypted by the center server 6. The terminals TA to TC to which the encryption code is input are notified to the terminals TA to TC of the information before the encryption code, that is, the power consumption amount and the power charge of each of the indoor units 2a to 2c. As a result, the tenant of each of the sections RA to RC charged with the power charge through the bill accesses, for example, the Web, inputs the encryption code in the bill, and inquires the center server 6 to thereby determine the power consumption in the bill. It is possible to know that the amount and the electric power charge are numerical values without fraud. Therefore, the property management company is less likely to be suspicious from the tenant side that he / she is making a bill for inflating the electricity bill.

  Moreover, according to this power information alerting | reporting system 1, since the power consumption amount and electric power charge of each indoor unit 2a-2c are encrypted and decoded, the center server 6 is the consumption of each indoor unit 2a-2c. It is not necessary to store the power amount and the power charge in a database or the like.

(B)
Further, according to the power information notification system 1 according to the present embodiment, the apportionment result of the apportioning unit 45a and the operation result of the operation unit 45b in the air conditioning controller 4 are encrypted, and the encryption code is decrypted by the decryption unit 62a of the center server 6 The same key information is used for conversion. Therefore, the encryption code received by the center server 6 from the terminals TA to TC is normally decrypted.

<Second Embodiment>
In the first embodiment, as illustrated in FIG. 4, the case where the encryption code generated by the air conditioning controller 4 is a character code in which a plurality of numerical values and characters are enumerated has been described. However, the encryption code according to the present invention is not limited to a character code, and may be a two-dimensional barcode.

(1) Configuration of Power Information Notification System FIG. 8 is a diagram schematically showing a configuration of a power information notification system 101 according to the second embodiment of the present invention. As shown in FIG. 8, the power information notification system 101 according to the present embodiment mainly includes a plurality of indoor units 102a to 102c, one outdoor unit 103, an air conditioning controller 104, a management computer 105, and a center server 106. I have. The plurality of indoor units 102a to 102c, the outdoor unit 103, the air conditioning controller 104, the management computer 105, and the center server 106 are the plurality of indoor units 2a to 2c, the outdoor unit 3, the air conditioning controller 4, and the management according to the first embodiment. The computer 5 and the center server 6 have substantially the same configuration.

  Specifically, the indoor units 102a to 102c are ceiling-mounted indoor units that can blow out air in four directions, and are installed one by one in each section RA to RC in one property, Air conditioning operation is performed in each of the installed sections RA to RC. One outdoor unit 103 is installed on the rooftop of a property and connected to all the indoor units 102a to 102c. The outdoor unit 103 is connected to a watt-hour meter (not shown) for measuring the total power consumption of all the indoor units 102a to 102c. The air conditioning controller 104 is provided on a wall of a property management room or the like, and is connected to the outdoor unit 103 through a wiring so as to be communicable. The management computer 105 is installed in a management room in the property or a room different from each of the sections RA to RC, and is communicably connected to the air conditioning controller 104 via Ethernet (registered trademark). The center server 106 is installed in a property different from the property in which the indoor units 102a to 102c and the management computer 105 are installed. As shown in FIG. 8, the center server 106 is not connected to the air conditioning controller 104 or the management computer 105 via the Internet or the like, so the center server 106 cannot communicate with the air conditioning controller 104 or the management computer 105. It is a specification.

  In the power information notification system 101 described above, as in the first embodiment, the air conditioning controller 104 calculates a power charge for the power consumption of each of the indoor units 102a to 102c and the power consumption of each of the indoor units 102a to 102c. In addition, the power consumption amount and the power charge are encrypted, and a two-dimensional barcode is generated as an encryption code. Further, as shown in FIG. 9, the air conditioning controller 104 generates bill data to which the power consumption, the power charge, and the two-dimensional barcode ba1 are attached for each of the indoor units 102a to 102c. Output. FIG. 9 is an example of invoice data printed by the management computer 105.

  In addition, tenants A to C are occupying each of the sections RA to RC according to the present embodiment, but instead of the terminals TA to TC being installed, the clerk of each tenant A to C is a mobile terminal MA. Suppose that it has MC. The mobile terminals MA to MC are so-called camera-equipped mobile terminals provided with a reading unit capable of reading a two-dimensional barcode in addition to a telephone function, a mail function, and an Internet function. Accordingly, the store clerk of each tenant A to C reads the two-dimensional barcode ba1 (FIG. 9) in the invoice delivered from the property management company using the mobile terminals MA to MC and transmits it to the center server 106. Thus, it is possible to confirm whether or not the power consumption amount and the power charge in the invoice delivered from the property management company are values that are not fraudulent. That is, the center server 106 according to the present embodiment is configured to have the wireless communication unit 161 instead of the Internet communication unit 61 in the center server 6 according to the first embodiment. Specifically, as shown in FIG. 8, the center server 106 includes a wireless communication unit 161 and a control unit that functions as a decoding unit and a communication control unit as in the first embodiment. ing. Here, the wireless communication unit 161 receives the data of the two-dimensional barcode read by the portable terminals MA to C, or transmits the result of decoding the two-dimensional barcode to the portable terminals MA to MC. Can do.

  When the center server 106 decrypts the two-dimensional barcode, the key used when the air conditioning controller 104 encrypts the power consumption and the power charge of each of the indoor units 102a to 102c as in the first embodiment. The same information as the information may be used.

  Moreover, about the structure of the indoor units 102a-102c, the outdoor unit 103, and the air-conditioning controller 104 which concern on the electric power information alerting | reporting system 101, it is the same as that of the indoor units 2a-2c, the outdoor unit 3, and the air-conditioning controller 4 which concern on 1st Embodiment. Therefore, detailed description of each of these devices is omitted.

(2) Operation of Power Information Notification System Next, the operation of the power information notification system 101 according to the present embodiment will be described. FIG. 10 is a diagram for explaining an operation flow of the power information notification system 101 according to the present embodiment.

  First, the outdoor unit 103 confirms the operating state of each of the indoor units 102a to 102c every predetermined time interval and obtains the total power consumption of all the indoor units 102a to 102c from a watt hour meter (not shown). To do. And the outdoor unit 103 transmits the operation state of each indoor unit 102a-102c and the total power consumption of all the indoor units 102a-102c to the air-conditioning controller 104 (# 101).

  When the air conditioning controller 104 receives the operating state of each indoor unit 102a to 102c and the total power consumption of all the indoor units 102a to 102c from the outdoor unit 103 (# 102), the consumption of each indoor unit 102a to 102c at a predetermined time interval. The electric energy is apportioned and integrated for each of the indoor units 102a to 102c, and the electric power consumption of each of the indoor units 102a to 102c in a predetermined period is obtained. Further, the air conditioning controller 104 obtains a power charge for the power consumption of each of the indoor units 102a to 102c during a predetermined period (# 103). Then, the air-conditioning controller 104 encrypts the power consumption and the power charge of each of the indoor units 102a to 102c in a predetermined period, and generates an encryption code that is a two-dimensional barcode for each of the indoor units 102a to 102c (# 104). . Next, the air conditioning controller 104 displays, for each of the indoor units 102a to 102c, the billing data to which the power consumption, the power charge, and the generated two-dimensional barcode code attached to each of the indoor units 102a to 102c in a predetermined period are attached. The bill data is generated and transmitted to the management computer 105 (# 105).

  The management computer 105 receives the bill data in each of the indoor units 102a to 102c sent from the air conditioning controller 104 (# 106). The received invoice data is printed on paper as shown in FIG. 9 by the property management company using the management computer 105, and occupies the sections RA to RC in which the indoor units 102a to 102c are respectively installed. It is passed to each tenant A to C (# 107).

  The tenant A to C store clerk reads the two-dimensional barcode in the invoice using the mobile terminals MA to MC to confirm whether the invoice delivered from the property management company is correct, and the center server 106 (# 108).

  When the center server 106 receives the data of the two-dimensional barcode sent from the mobile terminals MA to MC (# 109), the center server 106 decodes the data (# 110), and results of decoding, that is, any of the indoor units 102a to 102c Get power consumption and power charges Next, the center server 106 transmits the power consumption amount and the power charge of any of the indoor units 102a to 102c, which are the decryption results, to the mobile terminals MA to MC that are the transmission sources of the two-dimensional barcode by e-mail (# 111).

  As a result, the clerk of the tenants A to C receives the indoor unit 102a to the invoice described in the invoice by the mail from the center server 106 addressed to the mobile terminals MA to MC that read the two-dimensional barcode (# 112). It is possible to confirm whether or not the power consumption amount and the power charge of 102c are values without fraud.

(3) Effect In the power information notification system 1 according to the present embodiment, as shown in FIG. 9, the encryption code is represented in the bill in the form of a two-dimensional barcode. This two-dimensional bar code is an encryption of the power consumption and power charges of the indoor units 102a to 102c, and is read by the mobile terminals MA to MC and transmitted to the center server 106. The data of the two-dimensional barcode received by the wireless communication unit 161 of the center server 106 is decrypted, and the result after decryption, that is, the power consumption amount and the power charge of any of the indoor units 102a to 102c is sent by e-mail. Notification is made to the mobile terminals MA to MC. Therefore, the tenant side can easily confirm that the power consumption amount and the power charge in the invoice are numerical values without fraud via the mobile terminals MA to MC.

<Third Embodiment>
Next, a power information notification system 201 including an air conditioning controller 204 that employs a power information notification device according to a third embodiment of the present invention will be described. In the power information notification system 201 according to the present embodiment, the bill data is generated by the air conditioning controller 204 after being generated by the air conditioning controller 204 and passed to each tenant A to C as in the first and second embodiments. It is. However, the method of confirming the power consumption amount and the power charge in the bill by the clerk of each tenant A to C is different from the first and second embodiments.

(1) Configuration FIG. 11 is a diagram schematically showing a configuration of the power information notification system 201. The power information notification system 201 mainly includes a plurality of indoor units 202a to 202c, one outdoor unit 203, and an air conditioning controller 204 (corresponding to a power information notification device).

  One indoor unit 202a to 202c is installed in each section RA to RC in one property, and air conditioning operation is performed in each installed section RA to RC. One outdoor unit 203 is installed on the rooftop of the property and connected to all the indoor units 202a to 202c. The outdoor unit 203 is connected to a watt hour meter (not shown) for measuring the total power consumption of all the indoor units 202a to 202c. The air-conditioning controller 204 is provided on a wall of a property management room or the like, and is connected to the outdoor unit 203 through wiring so as to be communicable. The air conditioning controller 204 according to the present embodiment is connected to terminals TA to TC (corresponding to external terminals) such as PCs installed in the sections RA to RC via the Internet 207. Here, in each of the sections RA to RC, tenants A to C are resident as in the first and second embodiments.

  Since the indoor units 202a to 202c and the outdoor unit 203 have the same configuration as the indoor units 2a to 2c and the outdoor unit 3 according to the first embodiment, the configuration of the air conditioning controller 204 will be described in detail below.

(1-1) Configuration of Air Conditioning Controller As shown in FIG. 12, the air conditioning controller 204 includes an outdoor unit communication unit 241, an operation panel 242, a storage unit 245, a control unit 246, and an Internet communication unit 247 (reception unit and Equivalent to a transmitter).

[Communication Department for Outdoor Unit]
The outdoor unit communication unit 241 is a communication interface for communicating with the outdoor unit 203, and can receive the current operation state of each of the indoor units 202 a to 202 c from the outdoor unit 203. Here, as the current operation state, as in the first embodiment, the type of air conditioning operation performed by each indoor unit 202a to 202c, the opening degree of the electromagnetic valve of each indoor unit 202a to 202c, and each indoor unit 202a to 202c. 202c set temperature, set air volume, and the like.

  Further, the outdoor unit communication unit 241 can acquire the total power consumption of all the indoor units 202a to 202c from the watt hour meter via the outdoor unit 203 at a predetermined time interval. An example of the predetermined time interval is 1 hour.

〔control panel〕
The operation panel 242 includes a display unit 243 and an operation unit 244. The display unit 243 is a touch panel configured by, for example, a liquid crystal display and a matrix switch, and can display various screens such as a setting screen for setting the setting temperature and the wind direction of each indoor unit 202a to 202c. . The operation unit 244 includes, for example, various keys such as a determination key, a selection key, and a numeric key, and a pen-type pointing device. Such an operation unit 244 is used when various settings relating to the air conditioning operation of the indoor units 202a to 202c are performed based on various screens displayed on the display unit 243.

  The display unit 243 according to the present embodiment can also display a screen for history information stored in a second storage area 245b (described later) of the storage unit 245 (see FIG. 18).

[Storage section]
The storage unit 245 includes a first storage area 245a (corresponding to the first storage part) and a second storage area 245b (corresponding to the second storage part), and can store various information.

  In the first storage area 245a, an apportionment result by the control unit 246 functioning as the apportioning unit 246a (specifically, power consumption of each of the indoor units 202a to 202c) and an operation by the control unit 246 functioning as the operation unit 246b are stored. The result (specifically, the power charge for the power consumption of each of the indoor units 202a to 202c) is stored. Further, the first storage area 245a stores the operation state of each of the indoor units 202a to 202c with respect to the distribution result and the calculation result. That is, the first storage area 245a stores the operating state of each of the indoor units 202a to 202c used when obtaining the power consumption and the power charge of each of the indoor units 202a to 202c. FIG. 13 shows an example in which the various types of information to be stored in the first storage area 245a are stored in the first storage area 245a in the form of an information table ta1 related to the indoor unit. In the information table ta1 regarding the indoor units in FIG. 13, the names of the indoor units 202a to 202c, the power consumption, the power rate, the operating state, and the period in each of the indoor units 202a to 202c are associated with each other.

  In the second storage area 245b, information related to a notification request received by the Internet communication unit 247 described later is stored as history information. The notification request refers to the terminals TA to TC connected to the Internet 207 in order to display the power consumption amount and power charge of the indoor units 202a to 202c, which are the apportionment result and calculation result, on the web page. Say the request to output. The notification request is instructed by the store clerk of tenants A to C where the terminals TA to TC are installed, and is output from the terminals TA to TC. In the present embodiment, the notification request is made via a Web page browsed through the terminals TA to TC connected to the Internet 207. That is, the store clerk of tenants A to C can send a notification request from the Web page displayed on each terminal TA to TC when the air conditioning controller 204 is accessed.

  Further, as information related to the notification request, as shown in the history information list ls1 of FIG. 14, the date and time when the notification request was made, and the content of information requested to be displayed on the Web page by the terminals TA to TC (ie, , Request contents), the terminal names of the terminals TA to TC that made the notification request, and the IP addresses of the terminals TA to TC. Moreover, as information regarding an alerting | reporting request | requirement, if there exists the user who accesses the air-conditioning controller 4 via terminal TA-TC, for example, and logs in, the user name will be mentioned. Here, FIG. 14 shows an example in which information related to the notification request to be stored in the second storage area 245b is stored in the second storage area 245b in the form of a list. The history information list ls1 in FIG. 14 is associated with the date and time when the notification request is made, the request contents, the terminal names of the terminals TA to TC that made the notification request, and the IP addresses of the terminals TA to TC.

(Control part)
The control unit 246 is configured by a microcomputer including a memory such as a ROM and a RAM and a CPU. The control unit 246 is connected to the outdoor unit communication unit 241, the display unit 243 and operation unit 244 in the operation panel 242, the storage unit 245, and the Internet communication unit 247, and controls each connected functional unit. . In particular, the control unit 246 according to the present embodiment calculates the power consumption and power charge consumed in each of the indoor units 202a to 202c, and calculates the power consumption and power charge of each of the indoor units 202a to 202c, which is the calculation result. An operation such as browsing from a Web page is performed. In order to perform such operations, the control unit 246 functions as a proration unit 246a, a calculation unit 246b, an invoice data generation unit 246c, and a screen information generation unit 246d.

  As with the apportioning unit 45a according to the first embodiment, the apportioning unit 246a is measured by a watt-hour meter (not shown) based on the operation state of each of the indoor units 202a to 202c received by the outdoor unit communication unit 241. The total power consumption is apportioned for each of the indoor units 202a to 202c. Then, the apportioning unit 246a repeats such an operation and accumulates the apportioning results for each of the indoor units 202a to 202c, and obtains the power consumption of each of the indoor units 202a to 202c for a predetermined period of one month, for example.

  Similar to the calculation unit 45b according to the first embodiment, the calculation unit 246b is based on the apportionment result of the apportioning unit 246a, that is, the power consumption of each of the indoor units 202a to 202c, based on the power consumption of each of the indoor units 202a to 202c. Calculate power charges.

  The invoice data generation unit 246c attaches the invoice data to the indoor units 202a to 202c, which includes the apportionment result of the apportioning unit 246a and the calculation results of the operation unit 246b, including the power consumption and the power charge of each of the indoor units 202a to 202c. Generate every time. The invoice data of each of the indoor units 202a to 202c generated by the invoice data generation unit 246c is handed over to a person in charge at the property management company via a recording medium such as a flash memory, as shown in FIG. After printing on paper, it is passed to each tenant A-C. As shown in FIG. 15, the bill according to the present embodiment is in a state where there is no encryption code, unlike the bill of FIG. 4 according to the first embodiment and the bill of FIG. 9 according to the second embodiment. In addition, the bill data generation unit 246c updates the information table ta1 regarding the indoor unit in FIG. 13 based on the operation state used for apportioning power consumption and the generated bill data. As a result, the apportionment result, the calculation result, and the operation state are stored in the first storage area 245a of the storage unit 245.

  The screen information generation unit 246d receives various information in the first storage area 245a of the storage unit 245 when any of the terminals TA to TC makes a request for notification of the power consumption and power rate of each of the indoor units 202a to 202c. Based on the above, screen information for displaying the power consumption and the like is generated. Specifically, the screen information generation unit 246d uses the apportionment result of the apportioning unit 246a and the calculation result of the operation unit 246b, the power consumption and the power charge of each of the indoor units 202a to 202c, and the indoor units 202a to 202a for each of these results. Screen information is generated based on the information table ta1 regarding the indoor unit in FIG. 13 so that the operation state of 202c is displayed on the Web page. That is, the screen information generated by the screen information generation unit 246d includes the latest power consumptions and power charges of the indoor units 202a to 202c described in the bills passed to the tenants A to C, and The operating state of the indoor units 202a to 202c used at the time of calculating the power consumption and the power charge is included.

  Further, the screen information generation unit 246d updates the history information list ls1 in FIG. 14 based on the generated screen information. Thereby, information related to the notification request such as the request date and time is stored in the second storage area 245b of the storage unit 245. Further, when the administrator of the air conditioning controller 204 makes a history information display request via the operation unit 244, the screen information generation unit 246d displays the history information screen as shown in FIG. As shown in 243, screen information for displaying history information is generated based on the history information list ls1 in FIG.

[Communication Department for Internet]
The Internet communication unit 247 is a communication interface for communicating with the terminals TA to TC via the Internet 207. Specifically, the Internet communication unit 247 can receive a notification request for the apportionment result of the apportioning unit 246a and the operation result of the operation unit 246b via a Web page browsed through the terminals TA to TC. In addition, after receiving the notification request, the Internet communication unit 247 transmits screen information for displaying the power consumption and the like generated by the screen information generation unit 246d to the terminals TA to TC that are transmission sources of the notification request. To do. As a result, the latest power consumption of each of the indoor units 202a to 202c, the power charge, and the operating state of the indoor units 202a to 202c are displayed on the Web page displayed on the display unit of the terminals TA to TC. (See screen sq2 in FIG. 16).

(2) Operation of Power Information Notification System FIG. 17 is a diagram for explaining the flow of operation of the power information notification system 201 including the air conditioning controller 204 according to the present embodiment.

  First, the outdoor unit 203 confirms the operating state of each of the indoor units 202a to 202c every predetermined time interval, and obtains the total power consumption of all the indoor units 202a to 202c from a watt hour meter (not shown). To do. And the outdoor unit 203 transmits the operation state of each indoor unit 202a-202c and the total power consumption of all the indoor units 202a-202c to the air-conditioning controller 204 (# 201).

  When the air-conditioning controller 204 receives the operating state of each indoor unit 202a to 202c and the total power consumption of all the indoor units 202a to 202c from the outdoor unit 203 (# 202), the consumption of each indoor unit 202a to 202c at a predetermined time interval. The electric energy is apportioned and integrated for each of the indoor units 202a to 202c, and the electric power consumption of each of the indoor units 202a to 202c in a predetermined period is obtained. Furthermore, the air conditioning controller 204 obtains a power charge for the power consumption of each of the indoor units 202a to 202c during a predetermined period (# 203). Next, the air-conditioning controller 204 generates bill data to which the power consumptions and power charges of the indoor units 202a to 202c in a predetermined period are attached for each of the indoor units 202a to 202c, and an information table ta1 regarding the indoor units (FIG. 13) is updated (# 204). The invoice data is output to a flash memory or the like, then printed on paper by a computer installed in the management company, and each tenant occupying the sections RA to RC in which the indoor units 202a to 202c are installed. A to C are passed (# 205).

  The tenant A to C store clerk uses the terminals TA to TC to access the air conditioning controller 204 to check whether or not the bill received from the property management company is correct. A result notification request is made (# 206).

  When the air conditioning controller 204 receives the notification request (# 207), screen information for displaying the power consumption and the like based on the information table ta1 (FIG. 13) regarding the indoor unit in the first storage area 245a of the storage unit 245. Is transmitted to the terminals TA to TC that are the transmission source of the notification request (# 208).

  The terminals TA to TC that have received the screen information by the air conditioning controller 204 (# 209) display a screen sq2 as shown in FIG. 16 (# 210). Thereby, the clerk of tenants A to C can confirm whether or not the power consumption and the power charge of the indoor units 202a to 202c described in the bill are values that are not illegal.

  Further, the air conditioning controller 204 updates the history information list ls1 of FIG. 14 after generating the screen information (# 211). If the administrator of the air conditioning controller 204 requests to browse the history information list ls1, the air conditioning controller 204 displays history information as shown in FIG. 18 based on the history information list ls1 of FIG. 14 (# 212). ).

(3) Effect (A)
The air-conditioning controller 204 according to the present embodiment displays a screen for displaying the power consumption amount and the power charge when a request for notification of the power consumption amount and the power charge of each of the indoor units 202a to 202c is made via the terminals TA to TC. Information is transmitted to the terminals TA to TC. As a result, since the screen sq2 as shown in FIG. 16 is displayed on the terminals TA to TC, the clerk of the tenant A to C may check the power consumption and the power charge via the Web page. it can. Therefore, the tenants A to C charged for the power charge through the bill can access the air conditioning controller 204 and know that the power consumption amount and the power bill in the bill are numerical values without any fraud.

(B)
In addition, when the air conditioning controller 204 according to the present embodiment is requested to notify the power consumption amount and the power charge of each of the indoor units 202a to 202c via the terminals TA to TC, not only the power consumption amount and the power charge, The operating states of the indoor units 202a to 202c used for the calculation of the power consumption are further transmitted to the terminals TA to TC. Thereby, on the Web pages on the terminals TA to TC, in addition to the power consumption amount and the power charge, the current operation state of the indoor units 202a to 202c that have consumed the power amount is displayed. Therefore, the tenant who is charged for the power charge through the bill confirms whether the displayed power consumption and the power charge are appropriate values based on the operating state of the indoor units 202a to 202c on the Web page. be able to.

  Even if the power charge on the Web page is altered by a third party, the side that checks the Web page determines whether the power charge is appropriate from the operating state of the indoor units 202a to 202c. Therefore, it becomes easy to find the alteration of the Web page. Therefore, on the contrary, it is possible to prevent a third party from falsifying the web page.

(C)
Further, the air conditioning controller 204 according to the present embodiment stores information related to the notification request received by the Internet communication unit 247 as history information as illustrated in FIG. Here, examples of the information related to the notification request include the name of the user who made the notification request, the IP addresses of the terminals TA to TC, and the date and time when the notification request was made. That is, the air conditioning controller 204 stores a log when the own device is accessed. As a result, the history information in the second storage area 245b of the storage unit 245 can be displayed on the air conditioning controller 204 as shown in FIG. 18. It is possible to know whether or not a request for notification of the amount and the power rate is being made.

<Fourth embodiment>
Next, a power information notification system 301 including an air conditioning controller 304 that employs a power information notification device according to a fourth embodiment of the present invention will be described.

(1) Configuration FIG. 19 is a diagram schematically showing a configuration of the power information notification system 301. The power information notification system 301 mainly includes a plurality of indoor units 302a to 302c, one outdoor unit 303, an air conditioning controller 304 (corresponding to a power information notification device), and a management computer 305.

  One indoor unit 302a to 302c is installed in each section RA to RC in one property, and air conditioning operation is performed in each installed section RA to RC. One outdoor unit 303 is installed on the roof of a property or the like, and is connected to all the indoor units 302a to 302c. The outdoor unit 303 is connected to a watt hour meter (not shown) for measuring the total power consumption of all the indoor units 302a to 302c. The air conditioning controller 304 is provided on a wall of a property management room or the like, and is connected to the outdoor unit 303 through wiring so as to be communicable. The management computer 305 is connected to the air conditioning controller 304 via Ethernet (registered trademark). Here, tenants A to C are occupying each of the sections RA to RC as in the first to third embodiments, but unlike the first to third embodiments, the management computer 305 and the air conditioning controller No terminal capable of communicating with 304 is installed.

  The indoor units 302a to 302c, the outdoor unit 303, and the management computer 305 have the same configuration as the indoor units 2a to 2c, the outdoor unit 3, and the management computer 5 according to the first embodiment. The configuration of the controller 304 will be described in detail.

(1-1) Configuration of Air Conditioning Controller As shown in FIG. 20, the air conditioning controller 304 includes an outdoor unit communication unit 341, an operation panel 342, a control unit 345, and an Ethernet communication unit 346 (corresponding to an output unit).

[Communication Department for Outdoor Unit]
The outdoor unit communication unit 341 is a communication interface for communicating with the outdoor unit 303, and can receive the current operating state of each of the indoor units 302 a to 302 c from the outdoor unit 303. Here, as the current operation state, as in the first embodiment, the type of air conditioning operation performed by each of the indoor units 302a to 302c, the opening degree of the electromagnetic valve of each of the indoor units 302a to 302c, and each of the indoor units 302a to 302a. The set temperature, the set air volume, etc. of 302c are mentioned.

  Further, the outdoor unit communication unit 341 can acquire the total power consumption of all the indoor units 302a to 302c from the watt hour meter via the outdoor unit 303 at a predetermined time interval. An example of the predetermined time interval is 1 hour.

〔control panel〕
The operation panel 342 includes a display unit 343 and an operation unit 344. The display unit 343 is a touch panel configured by, for example, a liquid crystal display and a matrix switch, and can display various screens such as a setting screen for setting a set temperature and a wind direction of each of the indoor units 302a to 302c. . The operation unit 344 includes, for example, various keys such as a determination key, a selection key, and a numeric key, and a pen-type pointing device. Such an operation unit 344 is used when various settings relating to the air conditioning operation of each of the indoor units 302a to 302c are performed based on various screens displayed on the display unit 343.

(Control part)
The control unit 345 is configured by a microcomputer including a memory such as a ROM and a RAM and a CPU. The control unit 345 is connected to the outdoor unit communication unit 341, the display unit 343 and the operation unit 344 in the operation panel 342, and the Ethernet communication unit 346 described later, and controls the connected functional units. The control unit 345 functions as a proration unit 345a, a calculation unit 345b, and a bill data generation unit 345c.

  As with the apportioning unit 45a according to the first embodiment, the apportioning unit 345a is measured by a watt-hour meter (not shown) based on the operation state of each of the indoor units 302a to 302c received by the outdoor unit communication unit 341. The total power consumption is apportioned for each of the indoor units 302a to 302c. And the apportioning part 345a repeats such an operation | movement, and accumulates the apportionment result for every indoor unit 302a-302c, for example, calculates | requires the power consumption of each indoor unit 302a-302c in the predetermined period of one month.

  Similar to the calculation unit 45b according to the first embodiment, the calculation unit 345b is based on the apportionment result of the apportioning unit 345a, that is, the power consumption of each of the indoor units 302a to 302c, based on the power consumption of each of the indoor units 302a to 302c. Calculate power charges.

  The invoice data generation unit 345c receives the invoice data attached with the power consumption amount and the power charge of each of the indoor units 302a to 302c, which are the apportionment result of the apportioning unit 345a and the operation result of the operation unit 345b, as the indoor unit 302a to 302c. Generate every time. In particular, the bill data generation unit 345c according to the present embodiment generates bill data in a non-editable file format. Here, a PDF file is an example of a file format that cannot be edited. That is, the bill data generation unit 345c according to the present embodiment is not a file format that can be edited such as a CSV file or an EXCEL file so that a third party cannot tamper with the bill data. Generate in a file format that cannot be edited.

[Communication section for Ethernet]
The Ethernet communication unit 346 is a communication interface for communicating with the management computer 305 via Ethernet. Specifically, the Ethernet communication unit 346 transmits the bill data for each of the indoor units 302a to 302c generated by the bill data generation unit 345c to the management computer 305 via the Ethernet.

  The management computer 305 receives the bill data for each of the indoor units 302a to 302c when it is sent from the air conditioning controller 304. The received invoice data is printed on paper as shown in FIG. 15 by the property management company using the management computer 305, and occupies the sections RA to RC in which the indoor units 302a to 302c are respectively installed. Passed to each tenant A-C.

(2) Operation of Power Information Notification System FIG. 21 is a diagram for explaining an operation flow of the power information notification system 301 including the air conditioning controller 304 according to the present embodiment.

  First, the outdoor unit 303 confirms the operation state of each of the indoor units 302a to 302c every predetermined time interval and obtains the total power consumption of all the indoor units 302a to 302c from a watt hour meter (not shown). To do. And the outdoor unit 303 transmits the operation state of each indoor unit 302a-302c and the total power consumption of all the indoor units 302a-302c to the air-conditioning controller 304 (# 301).

  When the air conditioner controller 304 receives the operating state of each of the indoor units 302a to 302c and the total power consumption of all the indoor units 302a to 302c from the outdoor unit 303 (# 302), the consumption of each of the indoor units 302a to 302c at a predetermined time interval. The electric energy is apportioned and integrated for each of the indoor units 302a to 302c, and the electric power consumption of each of the indoor units 302a to 302c in a predetermined period is obtained. Furthermore, the air conditioning controller 304 obtains a power charge for the power consumption of each of the indoor units 302a to 302c during a predetermined period (# 303). Next, the air-conditioning controller 304 generates bill data to which the power consumption and the power charge of each of the indoor units 302a to 302c in a predetermined period are attached in an uneditable form for each of the indoor units 302a to 302c, and manages the data. It transmits to the computer 305 (# 304).

  When the management computer 305 receives the bill data in each of the indoor units 302a to 302c sent from the air conditioning controller 304 (# 305), the received bill data is used to manage the property using the management computer 305. It is printed on paper by the company (FIG. 15), and handed over to each tenant A to C occupying the sections RA to RC where the indoor units 302a to 302c are installed (# 306).

(3) Effect The air-conditioning controller 304 according to the present embodiment does not edit the invoice data including the power consumption and the power charge of each of the indoor units 302a to 302c in a PDF file instead of an editable form such as a CSV file or an EXCEL file. A non-editable form such as a file is generated and transmitted to the management computer 305. Therefore, since the property management company cannot process the invoice data, it is less likely to be suspected by the tenants A to C that they are charging more electricity charges.

<Other embodiments>
(A)
In the first embodiment, the case where the same key information is used in the generation of the encryption code and the decryption of the encryption code is described. However, if the encryption code can be reliably decrypted, the same key information does not necessarily have to be used in the generation of the encryption code and the decryption of the encryption code.

(B)
In the second embodiment, the case has been described in which a two-dimensional barcode is generated by encrypting only the power consumption and power charges of the indoor units 102a to 102c. However, the two-dimensional bar code may include a portion corresponding to the IP address of the center server 106 in addition to the portion where the power consumption and power charge of the indoor units 102a to 102c are encrypted. Thereby, the mobile terminals MA to MC can automatically access the center server 106 based on the IP address of the center server 106 in the two-dimensional barcode simultaneously with reading the two-dimensional barcode. In this case, it is assumed that the mobile terminals MA to MC have means capable of decoding only the IP address portion in the two-dimensional barcode.

(C)
In the first and second embodiments, the case where the encryption code is generated by encrypting the power consumption amount and the power charge of the indoor units 2a to 2c and 102a to 102c has been described. However, either the power consumption amount or the power charge of the indoor units 2a to 2c and 102a to 102c may be used for generating the encryption code. In this case, when the encryption code is decrypted, either the power consumption amount or the power charge of the indoor units 2a to 2c and 102a to 102c is notified.

(D)
Although the case where the operation state of the indoor units 202a to 202c used for calculating the power consumption is displayed on the Web page of the third embodiment has been described as an example, the indoor units 202a to 202A displayed on the Web page are described. The operation state of 202c may be the current operation state of each of the indoor units 202a to 202c. That is, the current operation state of the indoor units 202a to 202c with respect to the displayed power consumption amount may be displayed on the Web page. Since it is difficult to tamper with the current operation state of each of the indoor units 202a to 202c, it is possible to easily find tampering with the power charge on the Web page. Therefore, on the contrary, it is possible to prevent a third party from falsifying the web page.

(E)
In the fourth embodiment, the case where the power consumption amount and the power charge of the indoor units 302a to 302c are included in the bill data has been described. However, the bill data may include either the power consumption amount or the power charge of the indoor units 302a to 302c.

(F)
In the first, second, and fourth embodiments, the case where the bill data generated by the air conditioning controllers 4, 104, 304 is transmitted to the management computers 5, 105, 305 via Ethernet has been described. However, the bill data generated by the air-conditioning controllers 4, 104, 304 is not transmitted to the management computers 5, 105, 305 via Ethernet, but is portable recording such as flash memory or DVD-RW. The information may be output to the management computers 5, 105, 305 via a medium.

  The power information notification system and the power information notification apparatus according to the present invention allow a tenant who is charged for a power charge through a bill to know that the power consumption amount and the power charge in the bill are numerical values that are not fraudulent. It has the effect. In the power information notification system and the power information notification device according to the present invention, a plurality of tenants are occupying one property, and the management company managing the property pays each tenant a power charge using the air conditioning unit. It can be applied to cases where it is required.

The schematic block diagram of the electric power information alerting | reporting system which concerns on 1st Embodiment. The schematic block diagram of the indoor unit and outdoor unit which concern on 1st Embodiment. The schematic block diagram of the air-conditioning controller which concerns on 1st Embodiment. In 1st Embodiment, an example of the invoice given to a tenant. The schematic block diagram of the center server which concerns on 1st Embodiment. The example of a screen by which the power consumption and the electric power charge in an indoor unit were displayed on the terminal which is the transmission source of an encryption code. The figure for demonstrating the flow of operation | movement of the electric power information alerting | reporting system which concerns on 1st Embodiment. The schematic block diagram of the electric power information alerting | reporting system which concerns on 2nd Embodiment. In 2nd Embodiment, an example of the bill delivered to a tenant. The figure for demonstrating the flow of operation | movement of the electric power information alerting | reporting system which concerns on 2nd Embodiment. The schematic block diagram of the electric power information alerting | reporting system which concerns on 3rd Embodiment. The schematic block diagram of the air-conditioning controller which concerns on 3rd Embodiment. The conceptual diagram of the information table regarding an indoor unit memorize | stored in the 1st storage area in the memory | storage part of an air conditioning controller. The conceptual diagram of the log | history information list memorize | stored in the 2nd storage area in the memory | storage part of an air conditioning controller. In 3rd Embodiment, an example of the bill delivered to a tenant. The example of a screen of the web page on which the power consumption of each indoor unit, the electric power charge, and the driving | running state were displayed. The figure for demonstrating the flow of operation | movement of the electric power information alerting | reporting system containing the air-conditioning controller which concerns on 3rd Embodiment. The screen example of the history information displayed on an air-conditioning controller. The schematic block diagram of the electric power information alerting | reporting system which concerns on 4th Embodiment. The schematic block diagram of the air-conditioning controller which concerns on 4th Embodiment. The figure for demonstrating the flow of operation | movement of the electric power information alerting | reporting system containing the air-conditioning controller which concerns on 4th Embodiment.

Explanation of symbols

1, 101, 201, 301 Power information notification systems 2a-2c, 102a-102c, 202a-202c, 302a-302c Indoor units 3, 103, 203, 303 Outdoor units 4, 104, 204, 304 Air conditioning controllers 5, 105, 305 Management computer 6, 106 Center server 7, 207 Internet 45a, 246a, 345a Apportionment unit 45b, 246b, 345b Calculation unit 45c Encryption code generation unit 45d, 246c, 345c Invoice data generation unit 46, 346 Ethernet communication unit 61 , 247 Internet communication unit 62a Decoding unit 62b Communication control unit 161 Wireless communication unit 245 Storage unit 245a First storage area 245b Second storage area 246d Screen information generation unit TA to TC terminal MA to MC Mobile terminal RA to RC partition p1 Claim info1 cryptographic code ba1 2-dimensional bar code ta1 information table ls1 history information list for an indoor unit according to the power rates info3 invoice in power consumption info2 invoices listed indoor unit to the invoice

Claims (7)

Based on the operation state of each of the plurality of air conditioning units (2a to 2c), an apportioning unit (45a) that apportions the power consumption for each of the air conditioning units (2a to 2c);
Based on the apportionment result of the apportioning unit (45a), an operation unit (45b) that calculates an electric charge for the power consumption for each of the air conditioning units (2a to 2c),
An encryption code generation unit (45c) for generating an encryption code by encrypting at least one of the apportionment result of the apportioning unit (45a) and the operation result of the operation unit (45b) in each of the air conditioning units (2a to 2c); ,
A data output unit for outputting bill data in each of the air-conditioning units (2a to 2c) to which the encryption code is attached together with at least one of a distribution result of the distribution unit (45a) and a calculation result of the calculation unit (45b) (46)
A receiving unit (61, 161) for receiving the encryption code via the communication network (7);
A decryption unit (62a) for decrypting the encrypted code received by the reception unit (61) and extracting at least one of a distribution result of the apportioning unit (45a) and an operation result of the operation unit (45b);
An informing unit (61) for informing at least one of the apportionment result of the apportioning unit (45a) and the operation result of the operation unit (45b) extracted by the decoding unit (62a);
A power information notification system (1, 101). The encryption code is a two-dimensional barcode,
The reception unit (161) acquires the two-dimensional barcode in the bill data read by the reading unit capable of reading the two-dimensional barcode.
The power information notification system (101) according to claim 1. The decryption unit (62a) is a key used when the encryption code generation unit (45c) encrypts at least one of the apportionment result of the apportioning unit (45a) and the operation result of the operation unit (45b). Decrypting the encryption code with information,
The power information notification system (1) according to claim 1 or 2. A distribution unit (246a) that apportions the power consumption for each of the air conditioning units (202a to 202c) based on the operation state of each of the plurality of air conditioning units (202a to 202c);
Based on the apportionment result of the apportioning unit (246a), a calculation unit (246b) that calculates an electric charge for the power consumption for each of the air conditioning units (202a to 202c);
A first storage unit (245a) for storing a distribution result of the distribution unit (246a) and a calculation result of the calculation unit (246b) in each of the air conditioning units (202a to 202c);
At least one notification request for the apportionment result of the apportioning unit (246a) and the operation result of the operation unit (246b) via a web page viewed through an external terminal (TA to TC) connected to the Internet (207). A receiving unit (247) capable of receiving
When the reception unit (247) receives the notification request, at least one of a distribution result of the distribution unit (246a) and a calculation result of the calculation unit (246b) in the first storage unit (245a) is the web A transmission unit (247) for transmitting at least one of the distribution result of the distribution unit (246a) and the calculation result of the calculation unit (246b) to the external terminal (TA to TC) as displayed on the page; ,
A power information notification device (204). The first storage unit (245a) further stores an operation state of each of the air conditioning units (202a to 202c) with respect to a distribution result of the distribution unit (246a) and a calculation result of the calculation unit (246b),
When the receiving unit (247) receives the notification request, the transmitting unit (247) is configured to perform the air conditioning unit (202a to 202c) on the apportionment result of the apportioning unit (246a) and the operation result of the operation unit (246b). ) Is further transmitted to the external terminals (TA to TC) so that the operation status of the air conditioning units (202a to 202c) in the first storage unit (245a) is displayed on the web page. To
The electric power information alerting device (204) according to claim 4. A second storage unit (245b) for storing information on the notification request received by the reception unit (247) as history information;
Further comprising
The electric power information alerting device (204) according to claim 4 or 5. An apportioning unit (345a) that apportions the power consumption for each of the air conditioning units (302a to 302c) based on the operating state of each air conditioning unit (302a to 302c);
Based on the apportioning result of the apportioning unit (345a), a computing unit (345b) that computes a power charge for the power consumption for each of the air conditioning units (302a to 302c);
An output unit (346) for outputting bill data including the apportionment result of the apportioning unit (345a) and the operation result of the operation unit (345b) in each of the air conditioning units (302a to 302c) in an uneditable form; ,
A power information notification device (301).

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