JP2002288319A - Service system for supporting operation control - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide various services in accordance with the actual power use state of equipment that a power consuming customer has. SOLUTION: In this operation control support service system consisting of service terminals for collecting the power consumption quantity of equipment in the facilities that a customer has and a service center connected to the service terminals through a communication line, the service center transmits data about the operation control of the equipment to the service terminals on the basis of the stored past power consumption quantity of the customer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a service system that contributes to efficient energy consumption by optimizing electric power use.

[0002]

2. Description of the Related Art There are services that support the efficient use of electric power based on the actual state of electric power consumption at a customer premises. However, a comprehensive understanding of the actual state of electric power consumption of an on-site electric power system and a comprehensive system including electric facilities are provided. There is no service system, and energy-related services and equipment-related services have independent monitoring, recording, and support systems, and an efficient system for remote monitoring and recording has not been established in cooperation with both.

[0003]

SUMMARY OF THE INVENTION In many cases, the actual use of electricity and the monitoring of the operation of individual facilities in a customer premises of a power consuming customer are not operated and monitored based on a consistent system system. It is difficult to say that accurate information provision service is being provided to the power consuming customer.

[0004] It is therefore an object of the present invention to provide various services in accordance with the actual state of power consumption of equipment owned by a power consuming customer.

[0005]

In order to achieve the above object, the present invention provides a service terminal for collecting power consumption of a customer's equipment, and the service terminal connected to the service terminal via a communication line. An operation control support service system including a service center, wherein the service center transmits data relating to operation control of the facility to the service terminal based on the accumulated power consumption of the customer in the past. As a result, an accurate information providing service can be provided to the power consuming customer.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an example of the overall configuration of a driving control support service system via communication means according to the present invention.

[0007] U1 to U3 show examples of a plurality of power consuming customers receiving services.

[0008] SC represents a service center for power consuming customers. Based on a contract with the service center based on the request of the power consuming customer, various services are remotely provided via N communication means in accordance with the request of the power consuming customer. I will provide a. Specifically, an existing communication network or a public communication network is used as a communication means for connecting both a power supplier and a power consuming customer, and wireless communication technology and a power supply line are used for communication within the power consuming customer premises. By using the technology used as the communication line, the initial capital investment can be suppressed, and the service system can be easily introduced to new power consuming customers and existing power consuming customers.

FIG. 2 schematically shows the flow of the entire exchange between the service center and the service terminal. Here, power consumption data is received and stored from the service terminal, driving support data is calculated for the service required by the customer, and transmitted to the service terminal. Although the power consumption is received and stored from the service terminal, other data necessary for the service to be provided is also received or stored in advance.
Driving support data may be calculated in accordance with service request data, or driving support data may be calculated based on a predetermined rule. As an example of data related to operation control, driving support data is described. However, data to be transmitted and received by a service, such as data for directly controlling equipment and statistical information useful for equipment operation, is different, and its calculation is also different depending on the service content. An example of the service content is shown in FIG.

[0010] In providing the service, a power receiving panel (2), a power system panel (3) for each floor, a power system panel (4), A meter reading device for measuring the power consumption of Pa to Pd is attached to each different system such as the air conditioning system panel (5).

[0011] From the power receiving panel (2), the total amount of power consumed in the customer premises of the power consuming customer is extracted for each set time via the Pa-Pd meter reading device according to the command signal of the service terminal (1), and communication is performed. The data is transmitted to the service center (SC) using the means (N).

The service center (SC) monitors and records the amount of electric power transmitted via the communication means (N) at each set time, and performs totalization at each set time. The recorded data can be confirmed and displayed on the service terminal as shown in FIG. In FIG. 5, detailed power consumption data for a time or an item designated by the customer is displayed. A daily report on a daily basis and a monthly report on a monthly basis are transmitted to the power consuming customer to the service terminal (1) installed on the premises of the power consuming customer via communication means. FIG. 6 shows the service presentation screen. FIGS. 7 and 8 show examples in which the transmitted daily report and monthly report are displayed on the service terminal. The contents of the totals are totaled for each system and equipment, such as the amount of power consumed by the electric power system consumed at the customer premises and the amount of electric power consumed by the electric equipment such as air conditioning equipment and heat storage equipment. Or total power consumption.

Further, by utilizing these data, an electric power demand monitoring service is performed, and the contents of the service are presented to the customer as shown in FIG. Here, the user can confirm the contract contents and input the contract contents change. FIG. 10 shows an example of the power demand display. Based on the initial value of power demand monitoring (contract power, first-stage alarm value, second-stage alarm value, upper limit, alarm line slope) set in advance in the contract with the power consuming customer, the received power amount is set to the set value. If it exceeds, an alarm is output to the service terminal (1) installed in the customer premises via the communication means (N). The initial value of the power demand monitoring can be appropriately selected. FIG. 11 shows a detailed demand display, and FIG. 12 shows a result of calculating a past history of the maximum value of the power demand.

Similarly, utilizing the accumulated data, the power demand is predicted on the next day, and output to the service terminal (1) installed in the customer premises via the communication means (N). FIG. 13 shows an example of the power demand prediction display. An event information input item is provided as a power demand prediction service menu as shown in FIG. 14, and by selecting the event information input, it becomes possible to input items such as a special day as event information and information of the day as shown in FIG. Then, the power demand is predicted from the information, past event information, power consumption, and the like. Demand forecast transitions are displayed through service terminals installed on the customer premises, and the power consumption measured at each set time is integrated, before and after the demand value is exceeded by the contract with the power supplier. By displaying the notification, the energy consumption and efficiency of power use can be urged remotely via communication means.
The power demand forecast is obtained by averaging past power consumption data of the customer or deriving the average power consumption of other customers of the same capacity and the same size. By considering not only the power consumption data of the customer but also the data of multiple customers that are objective operational data for the customer,
Proper operation support can be provided. Statistics and analysis of past weather data and event information (such as the percentage of people occupied, use of conference rooms, special days such as holidays, etc.) on the customer premises of the power consuming customer can be considered. For example, the selected event information item For example, a method of presenting the average value of the past power consumption corresponding to. As a result, more accurate operation support in consideration of various factors can be provided.

[0015] Further, for the purpose of grasping the details of the power consumption in the customer premises, the power system board (3), the light system board (4), the air conditioning system board (5) and the like for each floor consume the power in a system unit. The amount of electric power used is extracted at every set time by the command signal of the service terminal (1) via the meter reading device (Pa to Pd) and transmitted to the service center (SC) using the communication means (N). Service Center (S
C) monitors and records the detailed information of the power consuming customer premises equipment transmitted via the communication means (N) at each set time, performs aggregation at each set time, and provides the power consuming customer with the information. A daily report and a monthly report are transmitted to the service terminal (SC) installed in the power consuming customer premises via the communication means (N).

Further, utilizing these accumulated data, based on the demand of the power consuming customer, a trial calculation of the contracted power amount based on the past power usage method and a time-based fee system have been introduced. The service of the charge calculation in the case is transmitted to the service terminal (1) installed in the power consuming customer premises via the communication means (N). FIG. 16 shows an example of a display screen on the service terminal as an example of the fee calculation. Data items related to the contract of the power transmitted to the service center include a contract type, a contract power, a power factor, and the like. The service center calculates the charge based on the power charge calculation formula from the data input by the customer, and presents the charge reduction effect. The power rate calculation formula may be set in advance, or may be appropriately set in consideration of a fluctuating rate such as fuel cost adjustment or a rate of an item that the user wants to set.

Similarly, utilizing the accumulated data on the power consumption results collected from a plurality of power consumption customers, and using an analysis library for statistically processing the power consumption results, an analysis of the power consumption customers in comparison with the same power consumption customers Provide consulting services related to energy use, such as analysis of characteristics of changes in power consumption over time, extraction of energy saving potentials such as large and small air conditioning consumption and excessive temperature settings, and analysis of potential energy saving locations on premises. To the service terminal (1) installed in the customer premises of the electric power company.

Similarly to the measurement and monitoring of the electric power consumption, ice heat storage equipment, water heat storage equipment,
An information input / output device (Sa-Sc) for taking out information necessary for monitoring electric equipment such as an outside air temperature sensor is attached, and the service center (SC) monitors and records such equipment information using a communication means (N). And provide various services using the collected and accumulated data.

In the ice heat storage equipment, the operating state and the operating state of each mechanism of the heat storage equipment are monitored, and the temperature in the heat storage tank, the supply temperature of the cold / hot water sent from the heat storage tank, and the temperature of the cold / hot water return to the heat storage tank. Is extracted at every set time by the command signal of the service terminal (1) via the information input / output device (Sa) and transmitted to the service center (SC) using the communication means (N). FIG. 17 shows an example of information that the service center receives data from each measuring device and provides to the service terminal.
As described above, there are an operating state, a heat storage operation time, a chase operation time, an outside air temperature, an outside air humidity, a heat storage tank temperature, a cold / hot water return temperature, and a cold / hot water supply temperature.

Similarly, in the water heat storage equipment, the operation state and the operation state of each mechanism of the heat storage equipment are monitored, the temperature in the heat storage tank, the supply temperature of the cold / hot water in the cold / hot water circulation section, and the cold / hot water Necessary data such as return temperature is transmitted to the information input / output device (S
Extracted at every set time via b) and transmitted to the service center (SC) using the communication means (N). One example is shown in FIG.

The service center (SC) monitors and records these data transmitted via the communication means (N) at every set time, and stores the heat storage time of the heat storage facility, the heat storage use time, the air conditioning set temperature, Statistical management based on the operating state and weather conditions, calculate the heat storage start time and heat storage amount from the power demand forecast and the weather information of the next day, and establish the communication means (N) and the service terminal (1) at the power consuming customer premises. By transmitting a control program related to heat storage equipment control via, and aiming at optimal operation control of the heat storage equipment corresponding to the power consumption of the day,
Enables efficient operation of heat storage equipment. A data measurement terminal is installed at the location necessary for grasping the operation status of the thermal storage air conditioning equipment in the customer premises, and operation monitoring is performed remotely via communication means. From the statistical analysis based on the comparison with the actual value of the weather data, the power consumption is predicted based on the weather information of the next day, and the operation control regarding the heat storage execution of the heat storage air conditioning equipment is remotely performed via the communication means. By monitoring and controlling a heat storage facility that can supply electric power in addition to a facility that only consumes electric power, an efficient driving support service that takes into account a total electricity rate can be provided.

Further, management services for maintenance, such as failure monitoring, can be implemented together via the communication means (N).

The service provider collects a fee by charging a customer unit based on the number of monitoring contacts for monitoring the amount of power consumption of the electric equipment, the number of installed devices, and the like, or charging according to the service content.

As described above, in order to realize a detailed understanding of the actual state of power consumption of each power supply customer premises in a system unit and to provide various services based on detailed monitoring of the operation status of each electric facility in the premises, communication is required. Because it is premised on network development and construction, the ease of introduction leads to the expansion of services, and the spread of services to a large number of power-consuming customers is promoted. Collect various data
It can be said that accumulating leads to quality improvement of service.

[0025]

According to the present invention, various services can be provided in accordance with the actual state of power consumption of the facilities owned by the power consuming customer.

[Brief description of the drawings]

FIG. 1 is a diagram showing the overall configuration of a service system for power consuming customers via communication means.

FIG. 2 is a schematic diagram of a data flow between a service center and a service terminal.

FIG. 3 is an example of a service menu screen for power consuming customers.

FIG. 4 is an example of an energy use consulting service screen for a power consuming customer.

FIG. 5 is an example of a detailed power consumption data display screen of a selection item.

FIG. 6 is an example of an energy recording agency service menu screen for power consuming customers.

FIG. 7 is a screen example of a display of a power amount list (daily report) in an energy recording agency service menu.

FIG. 8 is a screen example of a display of a power amount list (monthly report) in the energy recording agency service menu.

FIG. 9 is an example of a power demand monitoring service menu screen for power consumers.

FIG. 10 is a screen example of a power demand graph display in a power demand monitoring service menu.

FIG. 11 is a screen example of a detailed display of power demand in a power demand monitoring service menu.

FIG. 12 is a screen example of a power demand maximum value graph display in a power demand monitoring service menu.

FIG. 13 is a screen example of a power demand prediction display in a power demand prediction service menu.

FIG. 14 is an example of a power demand prediction service menu screen for power consumers.

FIG. 15 is a screen example of input display of power demand prediction event information in a power demand prediction service menu.

FIG. 16 is a screen example of a trial calculation display of an electricity usage fee in an electricity demand monitoring service menu.

FIG. 17 is an example of an ice heat storage operation monitoring service screen for power consuming customers.

FIG. 18 is an example of a water heat storage operation monitoring service screen for power consuming customers.

[Explanation of symbols]

SC: service center for power consuming customers, N: communication means, U1 to U3: power consuming customers, 1: service terminal, 2
… Consumer premises power receiving board, 3… Consumer premises power system board, 4…
Customer premises lighting system panel, 5 ... Consumer premises air conditioning system panel, 6
… Ice heat storage equipment in customer premises, 7… Water heat storage equipment, 8… Outside air temperature sensor.

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Makoto Murakawa 5-2-1 Omikacho, Hitachi City, Ibaraki Prefecture Information Control Systems Division, Hitachi, Ltd.

Claims (11)

[Claims] 1. An operation control support service system comprising: a service terminal for collecting power consumption of a facility of a customer; and a service center connected to the service terminal via a communication line. An operation control support service system, wherein the center transmits data on operation control of the facility to the service terminal based on the accumulated power consumption of the customer in the past. 2. The operation control support service system according to claim 1, wherein the facility of the customer includes a heat storage facility, and the service center transmits control data relating to operation control of the heat storage facility to the service terminal. A driving control support service system characterized by the following. 3. The driving control support service system according to claim 1, wherein said customer comprises a plurality of customers, each of said customers having a service terminal. 4. The driving control support service system according to claim 1, wherein the data relating to the driving control is demand prediction transition data calculated based on the power consumption of the customer. Service system. 5. The driving control support service system according to claim 1, wherein the service center receives power consumption from a service terminal at set time intervals, and based on the stored past power consumption of the customer. An operation control support service system characterized by transmitting a daily report and a monthly report on the power consumption of the customer. 6. An operation control support service system comprising: a service terminal for collecting power consumption of a facility of a customer; and a service center connected to the service terminal via a communication line. An operation control support service system, wherein the center receives data related to a power contract transmitted from a service terminal, calculates a charging fee based on a set power fee calculation formula, and transmits the billing fee to the service terminal. 7. A service center that communicates with a service terminal that collects the power consumption of the facility of the customer, receives power consumption data from the service terminal, and stores the stored past power consumption of the customer. Transmitting a data relating to the operation control of the facility to the service terminal based on the information. 8. The service providing method according to claim 7, wherein the facility of the customer includes a heat storage facility, and the service center transmits control data relating to operation control of the heat storage facility to the service terminal. Service provision method. 9. The service providing method according to claim 7, wherein the data relating to the driving control is demand prediction transition data calculated based on the power consumption of the customer. 10. The service providing method according to claim 7, wherein the service center receives power consumption from a service terminal at set time intervals, and based on the stored past power consumption of the customer, A service providing method characterized by transmitting a daily report and a monthly report on the amount of power consumption. 11. The service providing method according to claim 7, wherein the service center receives data related to a power contract transmitted from a service terminal, and calculates a billing fee based on a set power fee calculation formula. A service providing method characterized by transmitting to a service terminal.