Management apparatus and management method for electrical appliances

1. A management apparatus comprising:

a wireless module configured to communicate wirelessly with an electrical appliance and distribution board connected over a network;

a non-transitory computer-readable recording medium storing a program; and

a hardware processor that executes the program and causes the management apparatus to operate as:

a measurement unit configured to measure a value of power supplied from an electrical outlet to the electrical appliance as measured at the distribution board during a predetermined period;

a first acquisition unit configured to acquire identification information for the electrical outlet and power supply information for the outlet from the distribution board, the identification information for the electrical outlet identifying the location of the outlet and the power supply information being a value of power supplied by the outlet to the appliance as measured at the distribution board during the predetermined period;

a second acquisition unit configured to acquire from the electrical appliance identification information for the electrical appliance and power consumption information, the electrical appliance information identifying the type of appliance and the power consumption information indicating a value of power consumed by the electrical appliance during the predetermined period, the value of power consumed being output by the electrical appliance and measured by a measurement device in the electrical appliance, and determined concurrently with the power measured from the electrical outlet during the predetermined period;

a comparison unit configured to compare the acquired power supply information for the outlet with the acquired power consumption information for the electrical appliance for determining a concordance rate between the power supply information and the power consumption information, the concordance rate being determined by comparing the value of the power supplied by the outlet to the appliance and the value of the power consumed by the electrical appliance at a point in time during the predetermined time period;

a generation unit configured to generate information indicating an association between the electrical appliance and the electrical outlet using the identification information for the electrical outlet and the identification information for the electrical appliance when the concordance rate between the power supply information and the power consumption information exceeds a threshold value according to a result of the comparison; and

a storage unit configured to store the association information between the electrical appliance and the electrical outlet, the association information indicating an installation location of the electrical appliance in the electrical outlet during the predetermined period,

wherein the wireless module outputs the association information between the electrical appliance and the electrical outlet to an external display device that displays the association information between the electrical appliance and the electrical outlet.

2. The management apparatus according to claim 1 ,

wherein the comparison unit is configured to compare the value of power supplied at least at one point in time within the predetermined period with the value of power consumed at the at least one point in time within the predetermined period, the value of power supplied being obtained from the power supply information, and the value of power consumed being obtained from the power consumption information, and

the generation unit is configured to determine that the concordance rate between the power supply information and the power consumption information exceeds the threshold value when a difference between the value of power supplied and the value of power consumed is within a predetermined range according to the result of the comparison.

3. The management apparatus according to claim 2 ,

wherein the comparison unit is configured to compare values of power supplied at points in time within the predetermined period including the one point in time, with values of power consumed at the respective points in time within the predetermined period including the one point in time, the values of power supplied being obtained from the power supply information, and the values of power consumed being obtained from the power consumption information, and

the generation unit is configured to calculate the concordance rate between the power supply information and the power consumption information using differences between the values of power supplied and the values of power consumed at the respective points in time obtained from the results of the comparison.

4. The management apparatus according to claim 1 ,

wherein the first acquisition unit is configured to acquire the power supply information indicating the value of power supplied at respective points in time within the predetermined period,

the second acquisition unit is configured to acquire the power consumption information indicating the value of power consumed the respective points in time within the predetermined period,

the comparison unit is configured to compare a first variation pattern with a second variation pattern, the first variation pattern being obtained from the power supply information and indicating a change in the power supplied within the predetermined period, and the second variation pattern being obtained from the power consumption information and indicating a change in the power consumed within the predetermined period, and

the generation unit is configured to determine that the concordance rate between the power supply information and the power consumption information exceeds the threshold value when the difference between a first variation pattern and the second variation pattern is within a predetermined range according to the result of the comparison.

5. The management apparatus according to claim 1 ,

wherein the measurement unit is configured to measure a value of power supplied from a plurality of the electrical outlets, including the electrical outlet,

the first acquisition unit is configured to acquire pieces of identification information for each of the electrical outlets and pieces of power supply information which indicates a value of power supplied within a predetermined period for each of the electrical outlets,

the comparison unit is configured to compare each piece of the power supply information acquired with the power consumption information acquired, and

the generation unit is configured to generate information indicating an association between the electrical appliance and the electrical outlet which corresponds to the piece of the power supply information indicating that the concordance rate with the power consumption information exceeds the threshold value according to the result of the comparison.

6. The management apparatus according to claim 5 ,

wherein the generation unit is configured to identify a piece of the power supply information with a highest concordance rate and generates information indicating an association between the electrical outlet corresponding to the identified power supply information and the electrical appliance among two or more pieces of the power supply information indicating a value exceeding the threshold value of the concordance rate between the power supply information and the power consumption information.

7. The management apparatus according to claim 1 wherein the hardware processor executes the program and causes the management apparatus to further operate as:

a notification unit configured to send out a notification of the completion of association to the electrical appliance when the association information is generated.

8. The management apparatus according to claim 1 further comprising:

a memory that stores an exclusion list,

wherein (a) the comparison unit is configured to add the identification information for the electronic appliance to the exclusion list when the concordance rate between the power supply information and the power consumption information is equal to or smaller than the threshold value, and

when power consumption information and identification information for the electrical appliance are acquired by the second acquisition unit from the electrical appliance or a different electrical appliance, (b-i) the comparison unit skips comparing the power supply information with the power consumption information when the identification information for the electrical appliance is stored in the exclusion list, and (b-ii) the comparison unit compares the power supply information with the power consumption information when the identification information for the electrical appliance is not stored in the exclusion list.

9. A management method executed on a management apparatus, the management apparatus including a hardware processor that executes the program and causes the management apparatus to perform the management method for an electrical appliance, the management method comprising:

communicating wirelessly, using a wireless module, with an electrical appliance and distribution board connected over a network;

measuring, using a measurement unit, a value of power supplied from an electrical outlet to the electrical appliance as measured at the distribution board during a predetermined period;

acquiring, using a first acquisition unit, identification information for the electrical outlet and power supply information for the outlet from the distribution board, the identification information for the electrical outlet identifying the location of the outlet and the power supply information being a value of power supplied by the outlet to the appliance as measured at the distribution board during the predetermined period;

acquiring, using a second acquisition unit, from the electrical appliance identification information for the electrical appliance and power consumption information, the electrical appliance information identifying the type of appliance and the power consumption information indicating a value of power consumed by the electrical appliance during the predetermined period, the value of power consumed being output by the electrical appliance and measured by a measurement device in the electrical appliance, and determined concurrently with the power measured from the electrical outlet during the predetermined period;

comparing, using a comparison unit, the acquired power supply information from the outlet with the acquired power consumption information for the electrical appliance for determining a concordance rate between the power supply information and the power consumption information, the concordance rate being determined by comparing the value of the power supplied by the outlet to the appliance and the value of the power consumed by the electrical appliance at a point in time during the predetermined time period;

generating, using a generation unit, information indicating an association between the electrical appliance and the electrical outlet using the identification information for the electrical outlet and the identification information for the electrical appliance when the concordance rate between the power supply information and the power consumption information exceeds a threshold value according to the comparing; and

storing, using a storage unit, the association information between the electrical appliance and the electrical outlet, the association information indicating an installation location of the electrical appliance in the electrical outlet during the predetermined period,

wherein the wireless module outputs the association information between the electrical appliance and the electrical outlet to an external display device that displays the association information between the electrical appliance and the electrical outlet.

10. A non-transitory computer-readable recording medium for a management apparatus storing a program for electrical appliance management, the program causing a management apparatus to execute steps comprising:

communicating wirelessly, using a wireless module, with an electrical appliance and distribution board connected over a network;

measuring, using a measurement unit, a value of power supplied from an electrical outlet to the electrical appliance as measured at the distribution board during a predetermined period;

acquiring, using a first acquisition unit, identification information for the electrical outlet and power supply information for the outlet from the distribution board, the identification information for the electrical outlet identifying the location of the outlet and the power supply information being a value of power supplied by the outlet to the appliance as measured at the distribution board during the predetermined period;

acquiring, using a second acquisition unit, from the electrical appliance identification information for the electrical appliance and power consumption information, the electrical appliance information identifying the type of appliance and the power consumption information indicating a value of power consumed by the electrical appliance during the predetermined period, the value of power consumed being output by the electrical appliance and measured by a measurement device in the electrical appliance, and determined concurrently with the power measured from the electrical outlet during the predetermined period;

comparing, using a comparison unit, the acquired power supply information from the outlet with the acquired power consumption information for the electrical appliance for determining a concordance rate between the power supply information and the power consumption information, the concordance rate being determined by comparing the value of the power supplied by the outlet to the appliance and the value of the power consumed by the electrical appliance at a point in time during the predetermined time period;

generating, using a generation unit, information indicating an association between the electrical appliance and the electrical outlet using the identification information for the electrical outlet and the identification information for the electrical appliance when the concordance rate between the power supply information and the power consumption information exceeds a threshold value according to the comparing; and

storing, using a storage unit, the association information between the electrical appliance and the electrical outlet, the association information indicating an installation location of the electrical appliance in the electrical outlet during the predetermined period,

wherein the wireless module outputs the association information between the electrical appliance and the electrical outlet to an external display device that displays the association information between the electrical appliance and the electrical outlet.

11. An integrated circuit for a management apparatus comprising:

a communication circuit that communicates wirelessly with an electrical appliance and a distribution board connected over a network;

a measurement circuit that measures a value of power supplied from an electrical outlet as measured at the distribution board during a predetermined period;

a first acquisition circuit that acquires identification information for the electrical outlet and power supply information for the outlet from the distribution board, the identification information for the electrical outlet identifying the location of the outlet and the power supply information being a value of power supplied by the outlet to the appliance as measured at the distribution board during the predetermined period;

a second acquisition circuit that acquires from the electrical appliance, via the communication circuit, identification information for the electrical appliance and power consumption information, the electrical appliance information identifying the type of appliance and the power consumption information indicating a value of power consumed by the electrical appliance during the predetermined period, the value of power consumed being output by the electrical appliance and measured by a measurement device in the electrical appliance, and determined concurrently with the power measured from the electrical outlet during the predetermined period;

a comparison circuit that compares the power supply information for the outlet acquired by the first acquisition circuit with the power consumption information acquired by the second acquisition circuit for the electrical appliance for determining a concordance rate between the power supply information and the power consumption information, the concordance rate being determined by comparing the value of the power supplied by the outlet to the appliance and the value of the power consumed by the electrical appliance at a point in time during the predetermined time period;

a generation circuit that generates information indicating an association between the electrical appliance and the electrical outlet using the identification information for the electrical outlet and the identification information for the electrical appliance when the concordance rate between the power supply information and the power consumption information exceeds a threshold value according to a result of the comparison by the comparison circuit,

wherein the generation circuit stores the association information between the electrical appliance and the electrical outlet, the association information indicating an installation location of the electrical appliance in the electrical outlet during the predetermined period, and

the communication circuit outputs the association information between the electrical appliance and the electrical outlet to an external display device that displays the association information between the electrical appliance and the electrical outlet.

12. A electrical appliance network system comprising:

the management apparatus according to claim 1 ; and the electrical appliance,

wherein the electrical appliance includes a power consumption output unit that outputs the value of power consumed by the electrical appliance within the predetermined period.