JP2002101577A - Power management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make possible detailed management of electric energy automatically. SOLUTION: The power management system mainframe 17 which can control the electric energy automatically and can display the status of the electric energy management is provided, wherein direct electric energy for direct manufacturing facility 5, indirect electric energy for common use facility 7, manufacturing information on the direct manufacturing facility 5, operational status information on the common use facility 7 are made possible online transmission to the power management system mainframe 17 through an online communication device 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a power management system.

[0002]

2. Description of the Related Art In recent years, in production facilities such as factories, attempts have been made to manage electric power required for production and efficiently produce products.

[0003]

However, conventionally,
Almost all power management systems used in production facilities such as factories are designed to reduce the number of man-hours for metering and meter reading. Could not manage.

[0004] In other words, in order to manage the power consumption unit and to carry out daily energy saving activities, it is necessary to carefully control the production amount and electric power amount of each facility, but at present, they are automatically totaled and calculated. Since there is no system with functions, manual surveys and meter readings are required, which significantly increases the man-hours, and in many cases, promotion of activities has stagnated.

An object of the present invention is to provide a power management system capable of solving the above-mentioned problems and automatically performing fine-grained management of the power amount.

[0006]

According to the first aspect of the present invention, there is provided a power management system capable of automatically performing power management and displaying a status of power management. And the on-line transmission of the direct power of the production equipment, the indirect power of the shared equipment, the production information of the direct production equipment, and the operation status information of the shared equipment to the power management system body via the online communication device. It is characterized by.

According to the first aspect of the present invention, the direct electric energy of the direct production equipment, the indirect electric energy of the common equipment, the production information of the direct production equipment, and the operation status information of the common equipment are stored online. When transmitted to the power management system body via the communication device online, the power management system body automatically manages the power amount and can display the status of the power amount management when necessary. As a result, fine control of the electric energy can be automatically performed.

[0008] The invention described in claim 2 is characterized in that the power management system main body can manage power consumption.

According to the second aspect of the present invention, the power management system main body can manage power consumption.

In the invention described in claim 3, as the power consumption management, the display of the total power consumption, the display of the power consumption comparison, the display of the measurement value comparison, the monitoring of the power consumption upper limit, the total power consumption At least one of the display of the correlation curve between the quantity and the production, and the display of the historical trend of the power consumption transition
It is characterized in that one is possible.

According to the third aspect of the present invention, the power consumption management includes displaying the total power consumption, displaying the power consumption comparison, displaying the measured value comparison, and displaying the power consumption. At least one of upper limit monitoring, display of a correlation curve between the total power consumption and production, and display of a historical trend of power consumption transition can be performed.

[0012] In the invention described in claim 4, the power management system main body is capable of managing a basic unit of power.

According to the invention according to claim 4 configured as described above, the power management system main body can perform the power consumption unit management.

In the invention described in claim 5, as the power consumption unit management, comprehensive power consumption unit management, line unit consumption comparison, process unit consumption comparison, display of line-by-line unit consumption list by product name, line / It is characterized in that at least one of display of a lot-specific unit list and management standard monitoring is possible.

According to the invention according to claim 5 configured as above, the basic unit management of the electric power includes a total basic unit management, a line basic unit comparison, a basic unit comparison by process, and a basic unit per line by product name. At least one of a list display, a line / lot specific unit list display, and management standard monitoring can be performed.

[0016]

First Embodiment A first embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 to 35 show a first embodiment of the present invention.
An example of a building material factory having resin molding equipment will be described.

First, the construction will be described. As shown in FIG. 1, a factory production facility 1 such as a building material factory having resin molding facilities includes a production facility section 2 such as a molding facility section, a substation facility section 3 and a substation facility section 3. 4 is provided.

Among them, the production equipment section 2 includes a plurality of direct production apparatuses 5 directly involved in production such as an extruder. Each direct production device 5 has a controller 6
Is connected. The production facility 2 is provided with a common facility 7 which is not directly involved in the production of utilities, air conditioning facilities, lighting facilities, etc., but is shared by the direct production apparatuses 5 and workers.

The substation equipment sections 3 and 4 supply electric power to the entire resin molding equipment, and are divided into two according to the purpose in FIG. Each of the substation facilities 3 and 4 is provided with a power management device that collectively totals the power of the common facilities 7 such as utilities, air conditioning facilities, and lighting facilities. For example, one of the substation facilities 3 is provided with a plurality of power sensors 8 for detecting the amount of power of the shared facility 7 and a display 9 as appropriate. The other substation equipment section 4 is provided with an electric energy meter 12 for detecting the electric energy of a compressor 10 which is one of the common equipment 7 via a power converter 11 or the like.

In the first embodiment, a power management system 15 for comprehensively managing power is provided for a factory production facility 1 such as the resin molding facility. The power management system 15 mainly includes an arithmetic and control unit 1 such as a computer.
The arithmetic and control unit 16 includes a power management system main body 17 in which a program for the power management system 15 is installed, a floppy (registered trademark) disk, an MO, a CD, a DVD, and other rewritable recording media. And an input / output device 18 capable of inputting / outputting information such as programs and data recorded in the storage device. In addition, the power management system main body 17 includes a display device 19 such as a display.
And an input device 20 such as a keyboard, and a printing device 21 such as a printer.

Here, each direct production device 5 of the production equipment section 2
Each controller 6 connected to the communication controller 2
5 so that power consumption information and production information from each direct production device 5 can be transmitted online. As the production information, in the case of an extruder, there are various information such as the amount of extruded product, the weight of good / defective products, and the operating status. In addition, each common facility 7 of the production facility unit 2 is connected to another communication controller 26 so that operation status information other than the power consumption of each common facility 7 can be transmitted online as an analysis parameter. As the operation status information, for example, the compressor 1
In the case of 0, there are various things such as cooling water temperature, cooling water pressure, vacuum pressure and circulating water pressure.

Then, the online communication device 30 is connected to the power management system main body 17. The online communication device 30 includes a control device 31 such as a data collection sequencer.
And RS485 for converting signals from the communication controllers 25 and 26 and the watt hour meter 12 to signals for the control device 31.
A data converter 32 such as an RS232C converter and a communication interface 33 such as an upper communication unit for converting a signal from the power sensor 8 into a signal for the control device 31 are provided. Note that the online information capturing method by the data converter 32 can be any of data communication, direct input of a power pulse, and a status signal. In addition, the online information capturing method using the communication interface 33 is as follows.
Since data is collectively collected by the substation equipment units 3 and 4, data communication is inexpensive and most convenient. In addition, the electric power consumption information of each direct production device 5 is referred to as direct electric energy in the sense that it is directly involved in production. In addition, the power usage information of each shared facility 7 is referred to as indirect power, since it is power commonly used by the direct production apparatuses 5 and workers.

Therefore, the power management system main body 17 of the power management system 15 is supplied to the power management system main body 17 through the controller 6, the communication controller 25, the data converter 32, and the control device 31.
Power usage information (direct power amount) and production information of each direct production device 5 are transmitted online. In addition, the power management system main body 17 of the power management system 15 receives the power consumption of the power sensor 8 of the substation equipment unit 3 via the communication interface 33 and the power conversion via the data converter 32 and the control device 31. The power consumption of the watt hour meter 12 of the station facility unit 4 (above, the indirect power amount) is transmitted online.
Further, the power management system body 1 of the power management system 15
7, operation status information other than the power consumption of each shared facility 7 is transmitted online as a parameter for analysis via the communication controller 26, the data converter 32, and the control device 31. And these direct power, indirect power,
The power management system body 17 of the power management system 15 automatically and finely manages the amount of power based on the production information of each direct production device 5 and the operation status information of each shared facility 7.

That is, when the power management system 15 is started, a main menu screen 35 as shown in FIG. 2 appears. The main menu screen 35 includes, for example, a title section such as “building material factory energy management system”, a usage amount management 36, a basic unit management 37, an operation / alarm state monitoring 38, a form printing 39, a master management 40, and a system end 41. And other sub-menus. Main menu screen 3
5 includes, in addition, the usage upper limit abnormality 42 and the unit consumption abnormality 4
3 is provided, and a command button such as a hard copy 44 is provided. Note that the alarm display such as the usage upper limit abnormality 42 and the unit consumption abnormality 43 and the command button such as the hard copy 44 are also displayed on each of the subsequent screens.

Usage management 36 on main menu screen 35
When the submenu is selected, the usage management 36 shown in FIG.
Move to sub menu screen. The usage management 36 submenu screen includes a title section such as “Usage management submenu”, total power consumption 45, power consumption comparison 46, and measured value comparison 4
7. Monitoring of the upper limit of usage 48, electric power / production amount correlation curve 4
9, processing selection screens such as a historical trend 50, a usage list 51, a conversion list 52, a usage master 53, a facility calculation master 54, and a main menu 55.

Basic unit management 37 of the main menu screen 35
When the submenu is selected, the basic unit management 37 shown in FIG.
Move to sub menu screen. The basic unit management 37 submenu screen includes a title section such as “basic unit management submenu”, total power unit management 56, line unit comparison 57,
Unit intensity comparison 58 by process, line unit intensity list 5 by product name
9, a unit selection list 60 for each line / lot, a management standard monitor 61, a basic unit 62 for each product group, a product name master 63, a basic unit master 64, a main menu 55, and other processing selection screens.

When the operation / alarm state monitoring 38 submenu on the main menu screen 35 is selected, the operation / alarm state shown in FIG.
The screen shifts to the alarm status monitor 38 sub menu screen. operation·
The alarm status monitor 38 submenu screen includes a title section such as “operation / alarm status monitor submenu” and an alarm status list 6.
5, alarm status / name registration 66, operation status / name registration 6
7, each processing selection screen such as the main menu 55.

When the form print 39 submenu on the main menu screen 35 is selected, the screen shifts to the form print 39 submenu screen shown in FIG. The form printing 39 submenu screen includes a title section such as “form printing submenu” and each processing selection screen such as the usage amount printing 68 and the main menu 55.

Master management 4 on the main menu screen 35
When the 0 submenu is selected, the screen shifts to the master management 40 submenu screen shown in FIG. The master management 40 submenu screen includes a title section such as “master management submenu”, a closing time setting 69, a print item setting 70, a system setting (PC) 71, and a system setting (PLC) 7.
2. Each processing selection screen such as the main menu 55 is configured.

End of system 4 on main menu screen 35
When one submenu is selected, the system ends.

When the user selects the total power consumption 45 on the usage management 36 submenu screen shown in FIG. 3, the total power consumption 45 screen shown in FIG. 8 is displayed. On the total power consumption 45 screen, the total production amount 75, the proportional power 76, the intermediate power 77, and the fixed power 78 are displayed in units of a daily report, a monthly report, and an annual report.
Each can be displayed as a graph and a list. Here, the proportional power 76 refers to power consumed in proportion to the production amount. The intermediate power 77 is power that is indispensable for production but is not proportional to the amount of production. The fixed power 78 refers to power consumed regardless of the production amount. As described above, the total power consumption can be divided into three types, that is, the proportional power 76, the intermediate power 77, and the fixed power 78, and displayed by stratification, and each power amount and the total production amount 75 can be displayed in a superimposed manner.

The graph TAGs set on the total power consumption 45 screen include a total production amount TAG (represented by a shaded bar in FIG. 8), a proportional power TAG (represented by a thick line in FIG. 8), The intermediate power TAG (shown by a broken line in FIG. 8) and the fixed power TAG (shown by a dashed line in FIG. 8) are fixedly registered.

Further, in the "range 1" combo box on the screen, one of a daily report, a monthly report, and an annual report can be selected. When this becomes the “range 2” combo box, either the monthly report or the annual report can be selected. Also,
When it comes to the "Range 3" combo box, the daily report for 10 minutes,
One of hourly daily report, monthly report, and annual report can be selected. In the case of the “range 4” combo box, the current year (the years up to two years earlier are also specified at the same time) can be selected. “YYYY / MM / DD” is a date input box. In addition, an "update" button for updating data, a "submenu" button for jumping to a submenu, a "main menu 55" button for jumping to the main menu 55, and the like are provided.

When the power amount comparison 46 on the usage amount management 36 submenu screen shown in FIG. 3 is selected, a power amount comparison 46 screen shown in FIG. 9 is displayed. On the power amount comparison 46 screen, the power consumption amounts of the individual direct production apparatuses 5 and the common facilities 7 can be compared and displayed in a daily report, a monthly report, and an annual report in a graph and a list, respectively. Also, by displaying a plurality of arbitrarily set TAGs in a graph, the time zone data can be confirmed in a graph.

When the measurement value comparison 47 on the usage amount management 36 submenu screen shown in FIG. 3 is selected, a measurement value comparison 47 screen shown in FIG. 10 is displayed. On the measurement value comparison 47 screen, the production information of the individual direct production equipment 5 and the common equipment 7 are displayed.
The operation status information and the power consumption can be compared and displayed in the form of a graph and a list for each daily report, monthly report, and annual report. Also, by displaying a plurality of arbitrarily set TAGs in a graph, the time zone data can be confirmed in a graph.

When the use amount upper limit monitor 48 on the use amount management 36 submenu screen shown in FIG. 3 is selected, a use amount upper limit monitor 48 screen shown in FIG. 11 is displayed. In this screen 48 for monitoring the upper limit of the used amount, each registered direct production apparatus 5 is displayed.
Power consumption 91, upper limit 92, and standard value 9 of the common facilities 7
By displaying 3 in the form of a graph and a list, it is possible to monitor the upper limit of each time zone and confirm the excess loss power amount 94 due to excessive cooling / heating and the waste power amount 95 due to forgetting to cut off. . The excess loss power amount 94 and the waste power amount 95 are respectively 96 in total.
Can be displayed.

When the electric power / production amount correlation curve 49 on the usage amount management 36 submenu screen shown in FIG. 3 is selected, FIG.
Is displayed on the power / production amount correlation curve 49 screen shown in FIG.
On the power / production amount correlation curve 49 screen, a correlation curve between the total power consumption (monthly closing) and the production amount (monthly closing) is displayed.
Targets and results can be compared. At this time, the total power consumption is the vertical axis, the production volume is the horizontal axis,
1% reduction target line, this year actual plot, this year (1
Year slide).

When the historical trend 50 on the usage management 36 sub-menu screen shown in FIG. 3 is selected, a historical trend 50 screen shown in FIG. 13 is displayed. On the historical trend 50 screen, individual or total power consumption data in two months (120 days) before and after the specified date are acquired and displayed on a graph. By changing the designated date, data with different dates of the same power consumption can be displayed in an overlapping manner.

When "Usage list 51" is selected on the usage management 36 submenu screen shown in FIG. 3, the usage list 51 screen shown in FIG. 14 is displayed. On this usage list 51 screen, the power usage can be displayed in a list. The data from the previous day to two months ago can be corrected in units of 10 minutes. However, only the virtual TAG can be referred to.

When the conversion list 52 on the usage management 36 submenu screen shown in FIG. 3 is selected, a conversion list 52 screen shown in FIG. 15 is displayed. On the conversion list 52 screen, the power consumption can be converted into yen, CO2, crude oil, calorie, and the like, and displayed in a list. The conversion result is created by converting each time the page is opened.

When the usage master 53 on the usage management 36 submenu screen shown in FIG. 3 is selected, a usage master 53 screen shown in FIG. 16 is displayed. On this usage master 53 screen, registration setting of the power usage TAG can be performed. When an upper limit abnormality occurs, for example, the background color of the generated TAG is changed to red for a major failure and yellow for a minor failure (usually white). All real TAGs are set here.

When the equipment calculation master 54 on the usage management 36 submenu screen shown in FIG. 3 is selected, FIG.
The equipment calculation master 54 screen shown in FIG. 8 is displayed. FIG.
7, the registration setting of the virtual power usage amount TAG can be performed on the screen of the facility calculation master 54 (No. 1). When an upper limit abnormality occurs, for example, the background color of the generated TAG is changed to red for a major failure and yellow for a minor failure (usually white). All real TAGs are set here. Also, on the equipment operation master 54 screen (No. 2) in FIG. 18, the registration setting of the virtual power consumption TAG is performed. For example,
The maximum number of characters that can be registered in the virtual operation expression is 100 characters. The maximum number of virtual calculation layers is five.

When the main menu 55 on the usage management 36 sub-menu screen in FIG. 3 is selected, the display returns to the main menu 55 in FIG. 2 (the main menu 55 is the same and will not be described below).

When the user selects the total power consumption unit management 56 on the sub-unit management 37 submenu screen shown in FIG.
A total power consumption unit management 56 screen shown in FIG. 9 is displayed. On the total power consumption unit management 56 screen, data of the production amount, the electric power amount, the power consumption unit, and the management value of the previous year and the current year can be displayed in a graph and a list as a monthly transition.

When the line unit comparison 57 is selected on the unit management 37 submenu screen shown in FIG. 4, a line unit comparison 57 screen shown in FIG. 20 is displayed. On this line-by-line intensity comparison screen 57, the management values 98, the average line intensity 99, and the operation rate 100 for each intensity, production line intensity can be displayed in a graph and a list as monthly transitions. At this time, the indirect electric energy is apportioned according to the operation time of each facility.

When the step-by-step basic unit comparison 58 in the sub-unit management 37 submenu screen of FIG. 4 is selected, a step-by-step function basic unit comparison 58 screen shown in FIG. On the process function unit intensity comparison 58 screen, the unit values for each process function can be displayed as a graph and a list in annual report units.

When the item-specific line-specific unit list 59 on the basic unit management 37 submenu screen shown in FIG. 4 is selected, a product-specific line unit unit list 59 screen shown in FIG. 22 is displayed. In the line-by-product name unit list 59 screen, the production amount, the power consumption amount, and the power consumption unit within the designated period can be displayed in a list for each product-name line.

When the line / lot specific unit list 60 on the basic unit management 37 submenu screen shown in FIG. 4 is selected,
The line / lot specific unit list 60 screen shown in FIG. 23 is displayed. On the line / lot-specific basic unit list 60 screen, the fluctuation factors of the basic unit can be analyzed for each lot of each line. Data will be compiled and displayed after the end of the lot. When the "Lot Search" command is selected, FIG.
Is displayed, and the user can select a line, a product name, and a date from a lot list by designating the date.

When the management standard monitor 61 on the basic unit management 37 submenu screen shown in FIG. 4 is selected, a management standard monitor 61 screen shown in FIG. 25 is displayed. This management standard monitoring 61
On the screen, the power consumption rate 101 for each process is set to the upper limit 102
Along with the standard value 103, a daily report, a monthly report, and an annual report can be displayed in a graph and a list.

When the basic unit by type group 62 on the basic unit management 37 submenu screen of FIG. 4 is selected, a basic unit by type group 62 screen shown in FIG. 26 is displayed. In the unit type group specific unit 62 screen, the unit power consumption for each type can be graphically displayed.

When the item name master 63 on the sub-unit management 37 submenu screen shown in FIG. 4 is selected, the item name master 63 screen shown in FIG. 27 is displayed. This product name master 63
On the screen, registration of the product name and registration of the product type can be performed.

When the basic unit master 64 on the basic unit management 37 submenu screen shown in FIG. 4 is selected, a basic unit master 64 screen shown in FIG. 28 is displayed. On the unit consumption master 64 screen, registration of the power consumption unit TAG can be performed. When an upper limit abnormality occurs, for example, the background color of the generated TAG is changed to red for a major failure and yellow for a minor failure (usually white). All real TAGs are set here.

Further, the operation / alarm state monitor 38 shown in FIG.
When the alarm status list 65 on the submenu screen is selected, an alarm status list 65 screen shown in FIG. 29 is displayed. On the alarm status list 65 screen, a list of alarm status histories can be displayed.

When the operator selects the alarm status / name registration 66 on the operation / alarm status monitor 38 submenu screen shown in FIG. 5, the alarm status / name registration 66 screen shown in FIG. 30 is displayed.
On the alarm status / name registration 66 screen, each setting of the external alarm can be performed. When an alarm occurs, the background color of the occurrence name is changed to red for a major failure and yellow for a minor failure (usually white).

When the operation state / name registration 67 on the operation / alarm state monitoring 38 submenu screen shown in FIG. 5 is selected, the operation state / name registration 67 screen shown in FIG. 31 is displayed.
On the operation state / name registration 67 screen, each setting of the operation alarm can be performed. When an alarm occurs, the background color of the occurrence name is changed to red for a major failure and yellow for a minor failure (usually white).

When the usage amount printing 68 on the form printing 39 submenu screen shown in FIG. 6 is selected, a usage amount master screen shown in FIG. 32 is displayed. On the usage master screen, the power usage can be printed and set.

Further, when the closing time setting 69 on the master management 40 submenu screen shown in FIG. 7 is selected, a closing time setting 69 screen shown in FIG. 33 is displayed. On the closing time setting 69 screen, setting of closing time and setting of month closing date can be performed. Monthly closing date can be set only this year.

When the system setting (PC) 71 on the master management 40 submenu screen in FIG. 7 is selected, a system setting (PC) 71 screen shown in FIG. 34 is displayed. On the system setting (PC) 71 screen, various settings of the PC (arithmetic control device 16) can be made. However, for the user, non-display or input invalidation can be performed.

When the system setting (PLC) 72 on the master management 40 submenu screen of FIG. 7 is selected, a system setting (PLC) 72 screen shown in FIG. 35 is displayed. On the system setting (PLC) 72 screen, various settings of the PLC (such as the communication controllers 25 and 26) can be made. However, it is hidden or invalid for the user.

As described above, according to the first embodiment,
When the direct electric energy of the direct production equipment 5, the indirect electric energy of the shared equipment 7, the production information of the direct production equipment 5, and the operation status information of the shared equipment 7 are transmitted to the power management system main body 17 online via the online communication device 30. In addition, the power management system main body 17 automatically performs power amount management, and can display the power amount management status when necessary. This allows
It is possible to automatically perform detailed management of the electric energy.

The power management system main body 17 can perform power consumption management 36.

As the power consumption management 36, the display of the total power consumption 45, the display of the power consumption comparison 46, and the measurement value comparison 47
, A power consumption upper limit monitor 48, a display of a correlation curve 49 between the total power consumption and the production amount, and a display of a historical trend 50 of power consumption transition.

The power management system main body 17 can perform the power consumption unit management 37.

As the power consumption unit management 37, a total power consumption unit management 56, a line consumption unit comparison 57, a production unit consumption comparison 58, a display of a line unit consumption unit list 59 by product name, a line / lot basis unit list 60. Display, management standard monitoring 6
At least one of the ones can be performed.

[0066]

As described above, according to the first aspect of the present invention, the direct electric energy of the direct production equipment, the indirect electric energy of the shared equipment, the production information of the direct production equipment, and the operation status information of the shared equipment are obtained. When transmitted to the power management system body online via the online communication device, the power management system body automatically manages the power amount and can display the status of the power amount management when necessary. As a result, fine control of the electric energy can be automatically performed.

According to the second aspect of the present invention, the power management system main body can manage power consumption.

According to the third aspect of the present invention, as the power consumption management, the display of the total power consumption, the display of the comparison of the power consumption, the display of the comparison of the measured values, the monitoring of the upper limit of the power consumption, and the control of the total power consumption. At least one of a display of a correlation curve with the production amount and a display of a historical trend of a change in power consumption can be performed.

According to the fourth aspect of the present invention, the power management system main body can manage the basic unit of power.

According to the fifth aspect of the present invention, as the power consumption unit management, comprehensive power consumption unit management, line unit consumption comparison, process unit consumption comparison, display of line-by-line unit consumption list by product name,
It is possible to exert a practically useful effect that at least one of display of a line / lot-specific unit list and management standard monitoring can be performed.

[Brief description of the drawings]

FIG. 1 is a device configuration diagram according to a first embodiment of the present invention.

FIG. 2 is a main menu screen of the apparatus of FIG.

FIG. 3 is a usage management submenu screen.

FIG. 4 is a basic unit management submenu screen.

FIG. 5 is a driving / alarm status monitoring submenu screen.

FIG. 6 is a form printing submenu screen.

FIG. 7 is a master management submenu screen.

FIG. 8 is a total power consumption screen.

FIG. 9 is a power amount comparison screen.

FIG. 10 is a measurement value comparison screen.

FIG. 11 is a usage upper limit monitoring screen.

FIG. 12 is a power amount / production amount correlation curve screen.

FIG. 13 is a historical trend screen.

FIG. 14 is a usage list screen.

FIG. 15 is a conversion list screen.

FIG. 16 is a usage master screen.

FIG. 17 is a facility calculation master screen (No. 1).

FIG. 18 is a facility calculation master screen (2).

FIG. 19 is a total power consumption unit management screen.

FIG. 20 is a line-by-line intensity comparison screen.

FIG. 21 is a unit function comparison screen for each process function.

FIG. 22 is a screen showing a list of line intensity units by product name.

FIG. 23 is a line / lot-specific basic unit list screen.

FIG. 24 is a lot search screen.

FIG. 25 is a management standard monitoring screen.

FIG. 26 is a basic unit screen for each product group.

FIG. 27 is a product name master screen.

FIG. 28 is a basic unit master screen.

FIG. 29 is an alarm status list screen.

FIG. 30 is an alarm status / name registration screen.

FIG. 31 is an operating state / name registration screen.

FIG. 32 is a usage master screen.

FIG. 33 is a closing time setting screen.

FIG. 34 is a system setting (PC) screen.

FIG. 35 is a system setting (PLC) screen.

[Explanation of symbols]

 Reference Signs List 5 Direct production equipment 7 Shared equipment 17 Power management system main unit 30 Online communication device 36 Usage management 37 Basic unit management 45 Total power consumption 46 Comparison of power consumption 47 Comparison of measured values 48 Monitoring of usage upper limit 49 Power consumption / production correlation curve 50 Historical trend 56 Total power intensity management 57 Line intensity comparison 58 Unit intensity comparison by process 59 Line intensity list by product name 60 Line / lot intensity intensity list 61 Management standard monitoring

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (reference) G06F 17/60 152 G06F 17/60 152 H02J 3/00 H02J 3/00 Z

Claims (5)

[Claims] A power management system capable of automatically performing power management and displaying the status of power management is provided, and the power management system is directly connected to the power management system via an online communication device. A power management system characterized in that indirect power of common facilities, production information of direct production equipment, and operation status information of common facilities can be transmitted online. 2. The power management system according to claim 1, wherein the power management system main body is capable of managing power consumption. 3. The power consumption management includes displaying the total power consumption, displaying the power consumption comparison, displaying the measured value comparison, monitoring the upper limit of the power consumption, and the correlation curve between the total power consumption and the production amount. 3. The power management system according to claim 2, wherein at least one of the display of the power management system and the display of the historical trend of the power consumption change is possible. 4. The power management system according to claim 1, wherein said power management system main body is capable of managing a basic unit of power. 5. The basic unit management of electric power includes a total basic unit management, a line basic unit comparison, a process basic unit comparison, a display of a line basic unit list by product name, a display of a line / lot basic unit list, The power management system according to claim 4, wherein at least one of management standard monitoring is possible.