JP5518023B2 - Used power distribution system, used power distribution method and program - Google Patents

Description

  The present invention relates to a used power distribution system, a used power distribution method, and a program.

With recent global warming and the development of economic industries that are progressing on a global scale, efforts aimed at reducing CO ₂ emissions or reducing energy consumption are regarded as important. Against this background, various systems and methods for suppressing power consumption have been disclosed (see, for example, Patent Documents 1 to 3).

  The energy saving enlightenment system disclosed in Patent Document 1 displays energy consumption consumed by a load in each of a plurality of organizations, a predicted power amount, and a target power amount, thereby saving energy to members of the organization. Enlightenment.

  The environmental control system disclosed in Patent Literature 2 apportions the total amount of power allowed in the entire system according to the degree of the desired rate of environmental change in each of the plurality of target spaces. More specifically, a relatively large amount of power is apportioned in a target space where the degree of request for environmental change is high, and a relatively small amount of power is allocated in a target space where the degree of request for environmental change is low. Apportioned. If it does in this way, energy consumption can be attained, suppressing consumption of electric power as a whole, and maintaining comfort.

  The target power control system disclosed in Patent Document 3 distributes the difference between the predicted supply power and the target supply power evenly to a plurality of groups, for example, and reduces the target power of each group by the allocated difference. To do.

  Recently, laws have been enacted that require businesses to reduce their power at a fixed rate relative to the amount of electricity used last year. For example, according to Article 27 of the Electricity Business Law, the value of the maximum electric power used in a specific period of the last fiscal year (1) for each contract unit (1) The value obtained by reducing 15% of the time unit) is obliged to be the maximum value of the power used, that is, the value of the target power.

  This law also applies to buildings that contain multiple tenants. However, for this type of building, the building manager, not each tenant, contracts with the power company, and the manager, that is, the entire building is often the contract unit. In such a case, the person who is obliged to reduce the power consumption is the building manager, but the tenant who occupies the building actually uses the power. Therefore, the building manager reduces or reduces the power consumption of the entire building by requesting or requiring each tenant to keep the power usage within the target value.

JP 2007-280003 A JP 2009-204188 A Japanese Patent No. 4032903

  However, tenants who move in are in various industries such as hospitals, restaurants, and offices, so the required power consumption varies depending on the tenant. For this reason, even if each tenant is requested to reduce the power consumption without considering the power usage situation, there is a possibility that a tenant that interferes with the work appears. As a result, the manager of the building may not be able to achieve the target power reduction amount.

  In addition, the target power control system described in Patent Document 2 distributes the difference between the predicted supply power and the target supply power evenly, as well as the ratio of the target power and the difference between the target power and the used power of each group. The differential power is distributed based on the ratio and the like. However, the amount of reduction allocated in this way is calculated using the instantaneous power consumption at a certain point in time, and the actual usage situation of each tenant's power, that is, the actual business situation of each tenant, is accurate. It is not reflected in.

  The present invention has been made in view of the above circumstances, and a power usage distribution system and a power usage distribution method that can more reliably achieve a power reduction target by appropriately allocating power usage of a building. And to provide a program.

In order to achieve the above object, a power usage distribution system according to the present invention is a power usage distribution system that distributes power usage to each of a plurality of residents moving into a building. The measurement unit measures the value of power used for each of a plurality of areas of the building. A 1st memory | storage part memorize | stores the value of the electric power used measured by the measurement part for every area. The second storage unit stores correspondences between a plurality of residents and a plurality of areas. The third storage unit indicates the actual work status of each of the plurality of residents, is correlated with the electric power used , and stores an index value including at least an effective floor area . The occupancy number registration unit detects the occupancy number of each of the plurality of residents and stores the detected occupancy number as one of the index values in the third storage unit.

The first calculation unit reads the value of power used in the past specific period from the first storage unit and calculates the total, and the correspondence between the plurality of residents and the plurality of areas from the second storage unit Based on the value of the used power read from the first storage unit and the correspondence relationship between the plurality of residents and the plurality of areas read from the second storage unit. The value is calculated for each resident. The second calculation unit reads the index value of each of the plurality of residents stored in the third storage unit, and the occupancy per unit area based on the number of people in the room and the effective floor area among the read index values Calculate the number of people and increase the number of occupants per unit area for each resident, so that the reduction ratio of the power consumption of each resident is reduced so that the target power will be reduced to the predetermined amount of power used in the past. A ratio is allocated to each resident, and a reduction amount of the used power corresponding to the allocated reduction ratio is calculated for each resident based on the total value of the used power. The third calculation unit subtracts each tenant's reduction amount calculated by the second calculation unit from the value of the electric power used by each resident calculated by the first calculation unit. The target power value is calculated. The operation execution unit performs a specific operation for reducing the supplied power according to the target power value of each resident calculated by the third calculation unit.

  According to the present invention, the reduction ratio of the target power is allocated to each resident according to an index value that indicates the actual work status of each of the plurality of occupants moving into the building and correlates with the power used. In this way, the power used can be distributed in accordance with the business conditions of each tenant. For this reason, it is possible to reduce the power consumption of the entire building while securing the power usage required for each tenant. That is, according to the present invention, the power reduction target can be achieved more reliably by appropriately allocating the power used in the building.

It is a block diagram which shows the schematic structure of the electric power distribution system which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the data format of the electric power database of FIG. It is a figure which shows an example of the data format of the operation database of FIG. It is a figure which shows an example of the data format of the tenant database of FIG. It is a block diagram which shows the schematic structure of the management apparatus of FIG. It is a flowchart which shows the calculation operation | movement of the target electric power of each tenant. It is a schematic diagram (the 1) which shows the flow which calculates the target electric power of each tenant. FIGS. 8A to 8C are schematic diagrams (part 2) showing a flow of calculating the target power of each tenant. It is a block diagram which shows the schematic structure of the electric power distribution system which concerns on Embodiment 2 of this invention. It is a figure which shows an example of the data format of the tenant database of FIG. It is a block diagram which shows the schematic structure of the management apparatus of FIG. 12A to 12C are diagrams illustrating examples of tables included in the tenant index value calculation unit illustrated in FIG. 10 is a flowchart of processing of the management apparatus in FIG. 9. It is a block diagram which shows the schematic structure of the electric power distribution system which concerns on Embodiment 3 of this invention. It is a block diagram which shows the schematic structure of the management apparatus of FIG. It is a figure which shows an example of the image displayed on the terminal for managers of FIG. It is a block diagram which shows the schematic structure of the electric power distribution system which concerns on Embodiment 4 of this invention. It is a figure which shows an example of the display image displayed on an electrical installation.

  Embodiments of the present invention will be described in detail with reference to the drawings.

Embodiment 1 FIG.
First, a first embodiment of the present invention will be described.

  FIG. 1 shows a schematic configuration of a used power distribution system 100 according to the first embodiment. As shown in FIG. 1, the used power distribution system 100 is a system for distributing power used in a building 1 as a building.

  The building 1 will be described. The building 1 is divided into a plurality of living spaces (areas). Here, it is assumed that four areas A1, A2, A3, and A4 are provided. As will be described later, the areas A1 to A4 are units in which the power consumption is measured by the power measurement collection device 10, and are units in which the demand power can be individually controlled by the demand controller 15.

  This building 1 is a tenant building managed by an administrator and in which a plurality of tenants are occupying. Assume that three tenants T1, T2, and T3 are currently occupying. In addition, it is assumed that the tenant T1 is in the area A1, the tenant T2 is in the areas A2 and A3, and the tenant T3 is in the area A4.

  A distribution board 2 is installed in the building 1. The distribution board 2 distributes and supplies power supplied from the outside to a plurality of electrical facilities 4 in the building 1. The plurality of electrical facilities 4 are installed in any of the areas A1 to A4. The electrical equipment 4 includes, for example, air conditioning equipment, lighting equipment, and other electrical equipment.

  The used power distribution system 100 is a system that distributes used power for each tenant in the building 1 in which a plurality of tenants T1 to T3 are occupying a plurality of areas A1 to A4.

  The used power distribution system 100 includes a power measurement collection device 10, a power database 11, an operation database 12, a tenant database 13, a management device 14, and a demand controller 15.

  A power measuring and collecting apparatus 10 as a measuring unit is provided in the distribution board 2. The power measurement / collection device 10 measures, collects, and outputs the power supplied from the distribution board 2 to each electrical facility 4, that is, the value of used power, for each of the plurality of areas A 1 to A 4. In the power measuring and collecting apparatus 10, the power measurement interval, that is, the sampling interval is set to an appropriate interval, for example, once every 5 minutes.

  The power database 11, the operation database 12, and the tenant database 13 are constructed on, for example, a computer. The contents of the operation database 12 and the tenant database 13 can be updated by an operation input.

  In the power database 11 as the first storage unit, the measurement data of the used power that is measured and collected for each area by the power measurement and collection device 10 is written via the management device 14. In the power database 11, the measurement data transferred from the management device 14 is stored and accumulated for each area.

  FIG. 2 shows an example of the data format of the power database 11. As shown in FIG. 2, the power database 11 stores area names, dates, and daily power data transitions in association with each other. More specifically, in the power database 11, the transition of power data for one day is stored in order of time for the areas A1 to A4. The power database 11 is configured such that if the area name, date, and time zone are input as keys, the value of power used in a specific time zone on a specific day in the area can be read out. Thereby, for example, the management device 14 can also read the value of the power used in the same period and time period last year from the power database 11.

  Returning to FIG. 1, in the operation database 12 as the second storage unit, information on the operation mode of the building 1, for example, what kind of electric equipment is installed in which area, what kind of tenant is occupying Such information is stored.

  FIG. 3 shows an example of the data format of the operation database 12. As shown in FIG. 3, in the operation database 12, each area A1 to A4, the electric equipment 4 installed in the area (in FIG. 3, each electric equipment 4 is set to B1 to B8), and the area The tenant name to move in is stored in association with each other.

  In other words, the operation database 12 stores correspondence relationships between a plurality of tenants T1 to T3 and a plurality of areas A1 to A4. For example, if the management apparatus 14 inputs an area as a key to the operation database 12, the tenant name corresponding to the area can be read out.

  In addition, the relationship between the area and tenant memorize | stored in the operation | use database 12 is changed with the change of a partition.

  Returning to FIG. 1, the tenant database 13 stores information about each of a plurality of tenants T1 to T3. In particular, the tenant database 13 stores information indicating the business status of each of the plurality of tenants T1 to T3.

  FIG. 4 shows an example of the data format of the tenant database 13. As shown in FIG. 4, the tenant database 13 stores tenant names, areas, business types, number of people present, business hours, and effective floor areas in association with each other. For example, if the tenant name is input to the tenant database 13 as a key, the management device 14 can read out the area where the tenant is occupying, the type of business, the number of people present, the business hours, and the effective floor area. .

  Such business type, number of people present, business hours, and effective floor area are information indicating the actual work of each tenant. Of these information, as for the number of seated persons, generally, the greater the number of seated persons, the larger the required power, and the smaller the number of seated persons, the smaller the required power. From this, the number of seated persons can be regarded as an index value related to the actual state of business having a very high correlation with the power used by the tenant.

  Returning to FIG. 1, the management apparatus 14 is a computer. The management device 14 includes a processor and a memory (both not shown). The processor executes the program stored in the memory, thereby realizing the function of the management device 14. The processor is a processor capable of executing a multitask program.

  A power database 11, an operation database 12, and a tenant database 13 are connected to the management apparatus 14, and information can be written to and read from each of the databases 11 to 13. The management device 14, the power database 11, the operation database 12, and the tenant database 13 may be constructed on a single computer, or may be constructed on separate computers.

  FIG. 5 shows a schematic configuration of the management apparatus 14. As shown in FIG. 5, the management device 14 includes a power storage unit 20, a power consumption calculation unit 21, a reduction amount calculation unit 22, an individual target power calculation unit 23, and a occupancy number registration unit 24. .

  The power storage unit 20 acquires the power used for each area output from the power measurement collection device 10 periodically (at the sampling interval of the power measurement collection device 10) and inputs it to the power database 11.

  The power consumption calculation unit 21 serving as the first calculation unit reads the past power consumption, that is, the value of the power consumption during the same period and time period as the previous year of each area from the power database 11. Then, the used power calculation unit 21 adds the read values of used power in each area to obtain the total.

  Subsequently, the power consumption calculation unit 21 reads the correspondence relationship between the plurality of tenants T1 to T3 and the plurality of areas A1 to A4 from the operation database 12. Furthermore, the power consumption calculation unit 21 determines the last fiscal year based on the power consumption value read from the power database 11 and the correspondence relationships between the plurality of tenants T1 to T3 and the plurality of areas A1 to A4 read from the operation database 12. Calculate the power consumption value for each tenant at the same time and period.

  The reduction amount calculation unit 22 as the second calculation unit reads the index values of each of the plurality of tenants T1 to T3 stored in the tenant database 13. As such an index value, for example, there are the number of people in the tenant, that is, the number of people in the room. The reduction amount calculation unit 22 distributes the reduction ratio of the target power to the power used in the same period and time period of last year according to the read index value for each tenant. The reduction amount calculation unit 22 calculates a reduction amount of power usage corresponding to the allocated reduction ratio for each tenant based on the total value of power usage.

  The individual target power calculation unit 23 as the third calculation unit subtracts the tenant reduction amount calculated by the reduction amount calculation unit 22 from the power usage value of each tenant calculated by the power consumption calculation unit 21. Thus, the target power value of each tenant is calculated.

  Furthermore, the individual target power calculation unit 23 reads the correspondence relationship between the plurality of tenants T1 to T3 and the plurality of areas A1 to A4 read from the operation database 12. Then, the individual target power calculation unit 23 converts the target power value of each tenant into the target power value of each area. The individual target power calculation unit 23 outputs the converted target power values of the areas A1 to A4 to the demand controller 15.

  The demand controller 15 can control each electrical equipment 4. The demand controller 15 can operate each electric equipment 4 individually for each area and adjust the electric power supplied to the electric equipment 4.

  The target controller 15 outputs the target power values of the areas A1 to A4 from the individual target power calculator 23. The demand controller 15 inputs target power values for the areas A1 to A4. And the demand controller 15 performs the demand control which controls each electric equipment 4 so that the peak value of the used electric power of the input areas A1 to A4 does not exceed the target power.

  In other words, the demand controller 15 is an operation execution unit that performs a specific operation for reducing the power supplied to each tenant according to the target power value for each tenant calculated by the individual target power calculation unit 23. Can be considered.

  Incidentally, the management device 14 is connected to the network 16. A plurality of occupancy detection sensors 17 are connected to the end of the network 16. The management device 14 is connected to the occupancy detection sensor 17 via the network 16.

  The occupancy detection sensor 17 is provided in each of the areas A1 to A4. The occupancy detection sensor 17 is a human sensor that detects the number of persons in each area A1 to A4, that is, the occupancy. As the occupancy detection sensor 17, for example, a sensor that captures images in an area periodically (for example, at intervals of 5 minutes), extracts a person from the captured images, and detects the occupancy of the occupants. can do.

  As shown in FIG. 5, the management device 14 further includes an in-room number registration unit 24. The occupancy number registration unit 24 receives the occupancy number detected by the occupancy number detection sensor 17 via the network 16 periodically (for example, at intervals of 5 minutes), and sets the occupancy number in the tenant database 13. sign up.

  The occupancy registration unit 24 reads the correspondence relationship between the plurality of tenants T1 to T3 and the plurality of areas A1 to A4 from the operation database 12. Then, the occupancy number registration unit 24 converts the occupancy number collected for each area into the occupancy number for each tenant based on the read correspondence, and stores the tenant database 13 in each tenant T1 to T3. Register the number of people in the room.

  Next, the operation of the used power distribution system 100 according to the first embodiment will be described. Here, the operation of the management apparatus 14 will be mainly described.

The operation of the management device 14 can be roughly divided into the following four.
(1) Measurement operation of electric power used (2) Database setting operation (3) Detection operation of the number of people in the room (4) Calculation operation of the target power Hereinafter, these four operations will be described. Each operation is realized by executing a multitask program and does not need to be synchronized.

(Measurement of power consumption)
First, the operation for measuring the power used will be described. In the management device 14, the power storage unit 20 periodically measures the measured value of power used for each area using the power measurement collection device 10 (measurement process), and uses the measured power value for each area. Stored in the database 11 (first storage step).

(Database setting operation)
Next, the database setting operation will be described. Correspondences between a plurality of tenants T1 to T3 and a plurality of areas A1 to A4 are registered in the operation database 12 (second storage step). In addition, the tenant database 13 stores an index value that indicates the actual business status of each of a plurality of tenants and correlates with the power used (third storage step).

(Detecting the number of people in the room)
Next, the operation for detecting the number of people in the room will be described. In the management device 14, the occupancy number registration unit 24 regularly stores the occupancy number detected by the occupancy number detection sensor 17 in the tenant database 13.

(Target power calculation operation)
Next, the target power calculation operation will be described. In the management device 14, the used power calculation unit 21, the reduction amount calculation unit 22, and the individual target power calculation unit 23 operate in cooperation with each other. FIG. 6 shows the operation of the management device 14 (power consumption calculation unit 21, reduction amount calculation unit 22, and individual target power calculation unit 23).

  As shown in FIG. 6, first, the management apparatus 14 waits until the update time of the target power elapses (step S1: No). This update time can be 10 minutes, for example. When the update time of the target power elapses (step S1; Yes), the management device 14 (used power calculation unit 21) calculates the value of used power for each area in the same time period from the power database 11 at the same time one year ago. Read (step S2).

  Subsequently, the management device 14 (used power calculation unit 21) calculates the total of used power values for each area (step S3). Subsequently, the management device 14 (power consumption calculation unit 21) reads the correspondence relationship between the plurality of tenants T1 to T3 and the plurality of areas A1 to A4 from the operation database 12 (step S4).

  Furthermore, the management device 14 (used power calculation unit 21) uses the value of the used power read from the power database 11, and the correspondence relationship between the plurality of tenants T1 to T3 and the plurality of areas A1 to A4 read from the operation database 12. Based on, the value of power used by each tenant T1 to T3 is calculated (step S5). These steps S3 to S5 correspond to the first calculation step.

  As shown in FIG. 7, it is assumed that the power consumption value of the entire building 1 in the same time zone at the same time as last year is L (kW). In the management device 14 (used power calculation unit 21), the total used power L (kW) is calculated in step S3, and the used power value M1 (kW) of the tenant T1 out of the used power L (kW) and the tenant The power usage value M2 (kW) of T2 and the power usage value M3 (kW) of the tenant T3 are calculated in step S5.

  Returning to FIG. 6, subsequently, the management device 14 (reduction amount calculation unit 22) reads out the occupancy number and the effective floor area for each tenant from the tenant database 13 (step S <b> 6). Subsequently, the management device 14 (reduction amount calculation unit 22) calculates the number of people in each tenant per unit time based on the read number of people in each tenant and the effective floor area (step S7). More specifically, the management device 14 (reduction amount calculation unit 22) calculates the number of people in the room per unit time by dividing the number of people in the room by the effective floor area.

  Furthermore, the management apparatus 14 (reduction amount calculation part 22) distributes the reduction ratio for every tenant (step S8).

  For example, as shown in FIG. 7, it is assumed that the reduction ratio required for the total power consumption L (kW) is 15%. In this case, the total target power amount M (kW) calculated by the used power calculation unit 21 is L × (100−15)%. The reduction amount calculation unit 22 distributes this reduction ratio of 15% to each tenant T1 to T3.

Here, for example, as shown in the tenant database 13 in FIG. 4, the number of people in the tenant T1 is three, the number of people in the tenant T2 is ten, and the number of people in the tenant T3 is seven. Suppose there was. Furthermore, assuming that the unit area is 50 m ² , the number of occupants per unit area in the tenants T1, T2, and T3 is 3, 5, and 7, respectively.

  The management device 14 (reduction amount calculation unit 22) sets the reduction ratio of the power consumption of each tenant T1 to T3 to be smaller as the number of occupants per unit area in each tenant T1 to T3 increases. The amount of reduction in power consumption is calculated. For example, if the tenants T1, T2, and T3 have three, five, and seven people per unit area, respectively, as shown in FIG. Among them, the reduction ratio of the tenant T1 is allocated 7%, the reduction ratio of the tenant T2 is 5%, and the reduction ratio of the tenant T3 is 3%.

  Returning to FIG. 6, following step S8, the management apparatus 14 (reduction amount calculation unit 22) calculates a reduction amount for each tenant (step S9). For example, the management device 14 (reduction amount calculation unit 22) multiplies the total power consumption L by the reduction ratios 7%, 5%, and 3% to reduce the reduction amounts D1, D2, and D3 (kW) of the tenants T1, T2, and T3. ) These steps S6 to S9 correspond to the second calculation step.

  Subsequently, the management device 14 (individual target power calculation unit 23) calculates a target power value for each tenant (step S10). For example, as illustrated in FIG. 8, the management device 14 (individual target power calculation unit 23) uses the reduction amounts D1, D2, and D3 (kW) from the powers M1, M2, and M3 (kW) used by the tenants T1, T2, and T3. ) Are subtracted to calculate respective target power values R1, R2, and R3 (kW). This step S10 corresponds to the third calculation step.

  Subsequently, the management device 14 (reduction amount calculation unit 22) refers to the operation database 12, converts the target power value for each tenant into the target power value for each area, and outputs the target power value to the demand controller 15 ( Step S11). The demand controller 15 performs demand control of each electrical equipment 4 so as not to exceed the target power for each area (operation execution step).

  Thereafter, the management apparatus 14 returns to waiting for the update time again (step S1; No). When the update time is reached again, the management device 14 repeats the processing from step S2 onward.

  As described above in detail, according to the first embodiment, the reduction ratio of the target power indicates the actual work status of each of the tenants T1 to T3 occupying the building 1 and correlates with the power used. Are distributed to each tenant T1 to T3 according to a certain index value. In this way, it is possible to distribute the power used according to the business conditions of each tenant T1 to T3. For this reason, it is possible to more surely reduce the power consumption of the entire building 1 to the target value while securing the power consumption necessary for each tenant T1 to T3. As a result, the power reduction target can be more reliably achieved by appropriately allocating the power used by the building 1.

Embodiment 2. FIG.
Next, a second embodiment of the present invention will be described.

  FIG. 9 shows a schematic configuration of the used power distribution system 100 according to the second embodiment. As shown in FIG. 9, in the used power distribution system 100 according to the second embodiment, the occupancy number detection sensor 17 is not provided, and the administrator terminal 18 is connected to the network 16. This is different from the first embodiment.

  The manager terminal 18 is a computer managed by the manager of the building 1. The administrator terminal 18 is provided with an input device such as a keyboard and a pointing device, a display device for displaying an image, and the like (all not shown). In the second embodiment, tenant information is input via the input device of the administrator terminal 18.

  The tenant information includes, for example, the type of business, the number of electric devices that are always in operation, the expected number of people in the room, and the like. When a new tenant moves in, the administrator of the building 1 conducts a preliminary survey on the tenant information on the tenant information, and inputs the survey result to the administrator terminal 18. Thereby, for example, the business type of the tenant to move in, the number of operating electrical devices, and the expected number of people in the room are input to the administrator terminal 18. The input information is sent to the management apparatus 14 via the network 16.

  In the second embodiment, the configuration of the tenant database 13 is also different. FIG. 10 shows an example of the configuration of the tenant database 13 according to the second embodiment. As shown in FIG. 10, the tenant database 13 stores a tenant name and a score of the tenant in association with each other. This score is an index value that indicates the actual state of business of each of a plurality of tenants and correlates with the power used.

  FIG. 11 shows a schematic configuration of the management apparatus 14 according to the second embodiment. As shown in FIG. 11, the management device 14 according to the second embodiment is different from the first embodiment in that a tenant index value calculation unit 25 is provided instead of the occupancy number registration unit 24. Yes.

  The tenant index value calculation unit 25 calculates the score of each tenant based on the input tenant information, and registers the calculated score in the tenant database 13. This registration is performed every time a new tenant enters, that is, every time tenant information is received from the administrator terminal 18.

  The tenant index value calculation unit 25 has tables shown in FIGS. 12 (A) to 12 (C).

  FIG. 12A shows a table showing the relationship between a tenant's business type and a score corresponding to the business type. As shown in FIG. 12 (A), in stores where customers often visit, the highest five points are stored because the degree of influence on business when power is reduced is high. In addition, since medical treatment has a high degree of influence on work when power is reduced, the next highest four points after the store are stored. In addition, the office is considered to have the least influence when power is reduced, so the lowest two points are set, and the other industries are set with three points.

  FIG. 12B shows a table showing the relationship between the number of electrical devices that are always operating and the score. As shown in FIG. 12B, in this table, 1 to 5 units are 2 points, 5 to 10 units are 3 points, 10 to 20 units are 4 points, and 21 units or more are 5 points. The higher the number, the higher the score.

  FIG. 12C shows a table showing the relationship between the expected number of people in the room (expected number of people) and the score. As shown in FIG. 12 (C), in this table, 1 point is expected for 1 to 3 people, 2 points for 4 to 6 people, 3 points for 7 to 9 people, and 4 points for 10 or more people. The higher the number of people in the room, the higher the score.

  The given tenant index value is merely an example, and the score according to the type of business, the number of operating electrical devices, and the expected number of people can be determined as appropriate. In addition, the index value may be calculated by selecting at least one of the type of business, the number of operating electrical devices, and the expected number of people, or other evaluation items may be added.

  The tenant index value calculation unit 25 refers to the tables shown in FIGS. 12A to 12C, and uses the information on the tenants T1 to T3 input from the administrator terminal 18, and each tenant T1 to T3. Calculate the total score. This total score becomes the index value of the tenant. For example, if the tenant is a store, the number of operating units is 21 or more, and the expected number is 10 or more, the total score of the tenant is 14 points as in the tenant T3 shown in FIG.

  Next, the operation of the used power distribution system 100 according to the second embodiment will be described. FIG. 13 shows the operation of the management device 14 (power consumption calculation unit 21, reduction amount calculation unit 22, and individual target power calculation unit 23).

  As shown in FIG. 13, waiting for the update time of the target power (step S1), reading of the value of used power (step S2), the total used power (step S3), correspondence between tenants T1 to T3 and areas A1 to A4 The procedure for reading the relationship (step S4) and calculating the values of power used by the tenants T1 to T3 (step S5) is the same as the procedure according to the first embodiment.

  Subsequently, the management device 14 (reduction amount calculation unit 22) reads the index value for each tenant from the tenant database 13 (step S16). Subsequently, the management device 14 (reduction amount calculation unit 22) allocates the reduction ratio for each tenant based on the index value for each tenant (step S8), and calculates the reduction amount (step S9). Here, in order to allocate the reduction ratio, the index value of each tenant read from the tenant database 13 in step S16 is used as in the case of using the number of people per unit time in the first embodiment. That's fine.

  Thereafter, the management device 14 calculates the target power value of each tenant T1 to T3 (step S10) and outputs the target power value (step S11). Further, the management device 14 returns to waiting for the update time of the target power (step S1). These procedures are the same as those according to the first embodiment.

  As described above in detail, also in the second embodiment, according to the index value that is the sum of the scores obtained from the business type representing the actual state of business of each tenant T1 to T3, the number of operating electrical equipment, the expected number of people, and the like. Allocate the target power reduction ratio to each tenant. In this way, it is possible to distribute the power used to each tenant T1 to T3 according to the business situation of each tenant T1 to T3. For this reason, it is possible to more reliably reduce the power used by the entire building 1 to the target power while securing the power used for each tenant T1 to T3.

  That is, in the second embodiment, not only the number of people in the room per unit time, but also information on the business details and the details of actual work of each tenant T1 to T3, such as the number of operating electrical devices, is used. Since the reduction ratio is allocated, the power used can be allocated in a manner that is more appropriate to the business conditions of the tenants T1 to T3.

  In the second embodiment, since the target power is obtained using the index values of the tenants T1 to T3 that are calculated and defined in advance, the time required for calculating the target power can be shortened.

Embodiment 3 FIG.
Next, a third embodiment of the present invention will be described.

  FIG. 14 shows a schematic configuration of the used power distribution system 100 according to the third embodiment. As shown in FIG. 14, the used power distribution system 100 according to the third embodiment is different from the first embodiment in that the administrator terminal 18 is further provided and the demand controller 15 is not provided. Yes.

  The administrator terminal 18 is connected to the management apparatus 14 via the network 16. The administrator terminal 18 is a computer having a display device and the like, as in the second embodiment.

  In the third embodiment, as shown in FIG. 15, the individual target power calculation unit 23 uses the target powers R1, R2, and R3 (kW) calculated for each of the tenants T1 to T3 (see FIG. 8). In addition to last year's power consumption M1, M2, M3 (kW) (see FIG. 8), the point of output to the administrator terminal 18 is also different from the first embodiment.

  The administrator terminal 18 displays information on the target power values of the tenants T1 to T3 output from the individual target power calculation unit 23. FIG. 16 shows an example of an image displayed on the administrator terminal 18. As shown in FIG. 16, in this image, the target powers R1, R2, and R3 (kW) that should be requested for each tenant T1 to T3 are compared with the last-time power consumption M1, M2, and M3 (kW). It is displayed in the state.

  The administrator who sees the display requests each tenant T1 to T3 to use the power within the target power R1, R2, R3 (kW). If each tenant T1 to T3 saves power by conserving the temperature of the air conditioner or dimming the lighting in accordance with this request, it is possible to achieve a reduction in overall power consumption.

  In other words, the administrator terminal 18 performs the specific operation for reducing the supplied power according to the calculated target power values R1, R2, and R3 (kW) of the tenants T1 to T3. Can be considered.

  As described above in detail, also in the third embodiment, the target power reduction ratio is allocated to each tenant T1 to T3 according to the number of people in the room per unit time, as in the first embodiment. To do. If it does in this way, the electric power used of the whole building 1 can be reduced to a target value, ensuring the electric power used for each tenant T1 thru | or T3. As a result, the power usage reduction target can be more reliably achieved by appropriately allocating the power usage of the building 1.

  In the third embodiment, the power consumption is reduced by causing the administrator to be aware of power saving and actually saving power instead of demand control by the demand controller 15. In this way, it is possible to realize a reduction in power consumption by making the consumer aware of power saving without providing the demand controller 15.

  The used power distribution system 100 according to the third embodiment is a so-called “visualization system”. This “visualization system” is a system that allocates the reduction ratio of the power consumption of each tenant according to the number of people in the room per unit time, as in the power usage distribution system 100 according to the first embodiment. However, as in the power usage distribution system 100 according to the second embodiment described above, based on the tenant information input from the administrator terminal 18, an index value related to the business condition of each tenant is calculated, and according to the index value Of course, the present invention can also be applied to a system that allocates a reduction ratio of power consumption.

Embodiment 4 FIG.
Next, a fourth embodiment of the present invention will be described.

  FIG. 17 shows a schematic configuration of the used power distribution system 100 according to the fourth embodiment. As shown in FIG. 17, the used power distribution system 100 according to the fourth embodiment is different from the above-described embodiments in that each electrical facility 4 and the management device 14 are directly connected.

  In the fourth embodiment, each of the electric facilities 4 has a power control function (demand control function) and a display function. The management device 14 transmits the target value of power usage to each electrical facility 4. The electrical equipment 4 performs demand control so as to limit the power consumption of the own device according to the received target value of power usage.

  Further, the management device 14 may display an image that promotes power reduction as shown in FIG. 18 on the display screen, for example. Similarly to the image shown in FIG. 16, this image is also displayed by comparing last year's power consumption M1 (kW) with the target power R1 (kW). Such a comparative display is effective in raising awareness of the person who sees the display about power saving.

  As described above in detail, also in the fourth embodiment, according to an index value that indicates the actual state of business of each of a plurality of tenants T1 to T3 occupying the building 1 and has a correlation with power consumption, The target power reduction ratio is distributed to each of the tenants T1 to T3. In this way, this makes it possible to reduce the power consumption of the entire building 1 to the target power while securing the power consumption required for each of the tenants T1 to T3. As a result, the power usage reduction target can be more reliably achieved by appropriately allocating the power usage of the building 1.

  In each of the above embodiments, the reduction ratio of the electric power used by each tenant T1 to T3 is linearly reduced with respect to the number of people per unit area in each tenant T1 to T3. However, the present invention is not limited to this, and it may be set such that the reduction ratio of the power usage of each tenant T1 to T3 is inversely proportional to the number of people per unit area in each tenant T1 to T3. Alternatively, it may be set by another arithmetic expression. In short, as the number of occupants per unit area increases, the reduction ratio of the power used by each of the tenants is set to be small so that the reduction target as a whole can be achieved. .

  In each of the above embodiments, the number of people in each tenant T1 to T3 is detected by the number-of-rooms detection sensor 17 such as an image sensor, but the present invention is not limited to this. For example, the number of people in each tenant T1 to T3 may be input through operation via a computer.

  Further, in each of the above embodiments, a case has been described where 15% of power is reduced from measurement data of power used on the same date and time of last year according to Article 27 of the Electricity Business Law. This is not a limitation. In the present invention, any past measurement data of power consumption can be used to calculate the amount of power consumption reduction. For example, the target power may be determined based on the power used yesterday.

  In the above embodiment, the program to be executed is a computer-readable recording medium such as a flexible disk, a CD-ROM (Compact Disc Read-Only Memory), a DVD (Digital Versatile Disc), and an MO (Magneto-Optical Disc). A system that executes the above-described thread may be configured by storing and distributing the program in a medium and installing the program.

  Further, the program may be stored in a disk device or the like of a predetermined server device on a communication network such as the Internet, and may be downloaded, for example, superimposed on a carrier wave.

  In addition, when the above functions are realized by sharing an OS (Operating System), or when the functions are realized by cooperation between the OS and an application, only the part other than the OS may be stored in a medium and distributed. You may also download it.

  Various embodiments and modifications can be made to the present invention without departing from the broad spirit and scope of the present invention. The above-described embodiments are for explaining the present invention and do not limit the scope of the present invention. In other words, the scope of the present invention is shown not by the embodiments but by the claims. Various modifications within the scope of the claims and within the scope of the equivalent invention are considered to be within the scope of the present invention.

  The present invention is suitable for reducing power consumption in a building in which a plurality of tenants are occupying.

DESCRIPTION OF SYMBOLS 1 Building 2 Distribution board 4 Electric equipment 10 Electric power measurement collection apparatus 11 Electric power database 12 Operation database 13 Tenant database 14 Management apparatus 15 Demand controller 16 Network 17 Resident detection sensor 18 Manager terminal 20 Electric power storage part 21 Electric power calculation part 21 22 Reduction amount calculation unit 23 Individual target power calculation unit 24 Number of people resident registration unit 25 Tenant index value calculation unit 100 Power usage distribution system

Claims (6)

A power usage distribution system that distributes power usage to each of a plurality of residents in a building,
A measurement unit that measures a value of power used for each of a plurality of areas of the building;
A first storage unit that stores, for each area, a value of power used measured by the measurement unit;
A second storage unit that stores correspondence between the plurality of residents and the plurality of areas;
A third storage unit that indicates an actual work status of each of the plurality of residents and is correlated with electric power used, and stores an index value including at least an effective floor area ;
Detecting the number of people in each of the plurality of residents, and storing the detected number of people in the third storage unit as one of the index values;
Reading the value of power used in the past specific period from the first storage unit and calculating the total, and reading the correspondence between the plurality of residents and the plurality of areas from the second storage unit, Based on the value of the used power read from the first storage unit and the correspondence relationship between the plurality of residents and the plurality of areas read from the second storage unit, the power used in the past specific period A first calculation unit for calculating the value of each resident;
Reading the index value of each of the plurality of residents stored in the third storage unit, calculating the number of people per unit area based on the number of people in the room and the effective floor area among the read index values , The predetermined reduction ratio of the target power with respect to the past used power is resident so that the reduction ratio of the used power of each of the plurality of residents becomes smaller as the number of people per unit area in each resident increases. A second calculation unit that distributes the power consumption for each resident and calculates, based on the total value of the power usage, a power consumption reduction amount for each resident according to the allocated reduction ratio;
By subtracting the amount of reduction of the tenant calculated by the second calculation unit from the value of the electric power used by each tenant calculated by the first calculation unit, the target power of each tenant is calculated. A third calculation unit for calculating a value;
An operation execution unit for performing a specific operation for reducing the power supplied according to the target power value of each resident calculated by the third calculation unit;
Used power distribution system. An index value calculation unit that calculates an index value that is correlated with the power used, based on information on the work status of each of the plurality of residents,
The index value calculation unit
Storing the calculated index value in the third storage unit;
The used power distribution system according to claim 1. The operation execution unit is
The demand controller that controls the electrical equipment in the building so that the value of the electric power used by each occupant falls within the value of the target electric power calculated by the third calculation unit.
The used power distribution system according to claim 1 or 2 , wherein The operation execution unit is
Displaying information indicating the reduction amount of each resident,
The used power distribution system according to claim 1 or 2 , wherein A power usage distribution method that distributes power usage to each of a plurality of residents in a building,
A measurement step of measuring a value of power consumption for each of the plurality of areas of the building;
A first storage step of storing, for each area, a value of power used measured in the measurement step;
A second storage step of storing correspondence relationships between the plurality of residents and the plurality of areas;
A third storage step for storing an index value including at least an effective floor area , which is indicative of a work actual state of each of the plurality of residents and is correlated with electric power used;
A fourth storage step of detecting the number of people in each of the plurality of residents and storing the detected number of people in the room as one of the index values;
While reading the value of the used electric power of the past specific period memorize | stored at the said 1st memory | storage process and calculating the sum total, the said several residents memorize | stored at the said 2nd memory | storage process, and the said some area And the calculated power consumption value for a specific period in the past is calculated for each resident based on the read power consumption value and the correspondence between the read resident and the plurality of areas. A first calculating step,
Calculating the number of people per unit area based on the number of people in the room and the effective floor area among the index values of each of the plurality of residents stored in the third storage step and the fourth storage step ; The predetermined reduction ratio of the target power with respect to the past used power is resident so that the reduction ratio of the used power of each of the plurality of residents becomes smaller as the number of people per unit area in each resident increases. A second calculation step of calculating for each resident a power consumption reduction amount corresponding to a reduction ratio allocated from the total of the power usage values,
By subtracting the occupant's reduction amount calculated in the second calculation step from the value of the electric power used by each resident calculated in the first calculation step, the target power of each resident is calculated. A third calculation step for calculating a value;
An operation execution step of performing a specific operation for reducing the power supplied according to the target power value of each resident calculated in the third calculation step;
Power usage distribution method including. A computer that distributes the power used to each resident in the building,
A first storage unit that stores, for each area, a value of power used measured by a measuring unit that measures a value of power used for each of the plurality of areas of the building;
A second storage unit for storing a correspondence relationship between the plurality of residents and the plurality of areas;
A third storage unit that indicates an actual work status of each of the plurality of residents and is correlated with electric power used, and stores an index value including at least an effective floor area ;
The occupancy number registration unit that detects the occupancy number of each of the plurality of residents and stores the detected occupancy number as one of the index values in the third storage unit,
Reading the value of power used in the past specific period from the first storage unit and calculating the total, and reading the correspondence between the plurality of residents and the plurality of areas from the second storage unit, Based on the value of the used power read from the first storage unit and the correspondence relationship between the plurality of residents and the plurality of areas read from the second storage unit, the power used in the past specific period A first calculation unit for calculating the value of each resident;
The number of occupants per unit area is calculated based on the number of occupants and the effective floor area among the index values of each of the plurality of residents stored in the third storage unit, and the unit area of each resident As the number of people per room increases, the predetermined reduction ratio of the target power with respect to the past power usage is allocated to each resident so that the reduction ratio of the power usage of each of the plurality of occupants becomes smaller. A second calculation unit that calculates, for each resident, a reduction in power consumption according to a reduction ratio allocated from the total value of power usage;
By subtracting the amount of reduction of the tenant calculated by the second calculation unit from the value of the electric power used by each tenant calculated by the first calculation unit, the target power of each tenant is calculated. A third calculation unit for calculating a value;
An operation execution unit that performs a specific operation for reducing the supplied power according to the target power value of each resident calculated by the third calculation unit;
Program to function as.

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