JP2019115259A - Power conditioner and computer program - Google Patents

Abstract

To provide a power conditioner, and a computer program capable of not only presentation of information in response to remote request, but also reception of control or setting.SOLUTION: A power conditioner includes a communication device having a storage section storing the screen data for screen display, and functioning as a Web server. The communication device includes a creation part for creating display information, for displaying a Web screen including a screen for receiving input operation, on the basis of the screen data upon receiving a connection request from a client device, and a communication unit for transmitting the created display information to the client device, and creates the display information of the screen for receiving the setting of output control of the own device and the power conditioner to be coupled therewith by the creation part, before being transmitted to the client device from the communication unit.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a power conditioner and a computer program.

  Storage elements are widely used in uninterruptible power supplies, DC or AC power supplies included in stabilized power supplies, and the like. In addition, the use of storage elements and power conditioners in large-scale systems for storing renewable energy or electric power generated by an existing power generation system is expanding.

Maintenance activities are important in a power generation system in which storage elements and a power conditioner are installed. A number of technologies have been proposed that allow a user of a storage element or a person in charge of maintenance to remotely obtain information on the state of charge (SOC) or lifetime prediction of the storage element via a server device. .

  For example, Patent Document 1 proposes a system that realizes that an operator can remotely view the predicted value of the deterioration rate of the storage element via the server device and the network.

  In Patent Document 2, in order to reliably execute storage element replacement in an uninterruptible power supply device, the time for battery replacement is notified based on a monitoring program via a service center and a network, and users and operators can send e-mails etc. A system is disclosed that uses and exchanges information.

JP, 2015-121520, A JP 2002-287857 A

  As disclosed in Patent Documents 1 and 2, a system has been proposed and realized in which a user or a person in charge of maintenance remotely grasps the state of the storage element itself or an apparatus using the storage element. With regard to the power conditioner, a system has been realized that remotely grasps information on the output state, such as the ON or OFF state, or whether it is selling or purchasing. With regard to output control, the control unit of the power conditioner automatically acquires and implements a schedule that can be acquired from the server of the electric power company via the network. However, there has not been put into practical use a system for remotely providing more detailed information related to maintenance and setting of an operation in cooperation with a power server.

  Storage devices such as lead storage batteries or lithium ion batteries are increasingly applied to industrial applications other than automotive applications (automotive applications, motorcycle applications). For example, storage elements may be juxtaposed in a solar power generation system. In this case, the storage element is connected to the power conditioner. In a large-scale solar power generation system called mega solar, a large number of storage elements and power conditioners are installed and used. Even in the case of realizing power peak cut in a factory or a large-scale facility, a large number of storage elements and power conditioners are installed and used. In the conventional maintenance support system, it is not assumed that a distributed power supply system or a business entity is provided with such many storage elements and power supply related devices.

  In parallel with the penetration of the Internet of Things (IoT) into society, expectations are increasing for the realization of remote monitoring of storage devices and power supply related devices and the realization of value-added services thereby.

  An object of the present invention is to provide a power conditioner and computer program suitable for remote monitoring and / or remote control.

  A power conditioner according to the present disclosure includes a storage unit that stores screen data for screen display, and includes a communication device that functions as a Web server. When the communication device receives a connection request from the client device, the communication device generates a display information for displaying a web screen including a screen for receiving an input operation based on the screen data, and the display information generated by the client device And a communication unit for transmitting data. The power conditioner creates, by the creating unit, display information of a screen for receiving output control settings of the own device and the power conditioner connected to the own device, and transmits the created display information from the communication unit to the client device Do.

  With the above configuration, the screen provided by the communication device included in the power conditioner functioning as a Web server is provided as an interface for remotely receiving the output control setting of the power conditioner on which the communication device is mounted and the connected power conditioner. Function. This makes it possible to easily realize the setting of the operation remotely without the maintenance staff visiting the site.

  On the screen for receiving the setting of output control provided by the communication device, it is possible to input a schedule and input connection information for cooperation with the power server. Since the setting of the output control schedule from the remote and the setting for linkage with the power server can be performed, dramatic efficiency improvement of the maintenance work by the user or the maintenance staff can be expected.

  Control information may be created based on the operation received on the screen, and may be transmitted to a control unit that controls the operation of the own device and a power conditioner connected to the own device.

  The screen provided by the communication device of the power conditioner by the web server function enables an operation for transmitting control information to the power conditioner and other connected power conditioners.

  The display information includes information for displaying an object corresponding to the power conditioner connected to the own device, and the object has information for displaying information of the own device and the power conditioner connected to the own device. It may be included.

  When a plurality of power conditioners are connected and installed, an object for displaying the state of each power conditioner is displayed according to such a connected configuration, which makes it easier to visually grasp the state. .

A computer program according to the present disclosure causes a computer including a display unit to receive and display information of a power conditioner. A computer program requesting the computer to establish a communication connection as a client to a Web server of the communication device provided in the power conditioner, based on screen data stored in the communication device from the communication device Receiving screen display information based on the screen data including a menu for displaying a screen for receiving a setting of output control of the power conditioner and the power conditioner connected to the power conditioner, and the received screen display The step of displaying a screen for receiving the setting of the output control is executed based on the information.

  According to the above configuration, the communication device provided in the power conditioner realizes the setting of the output control for the power conditioner on which the communication device is mounted and the connected power conditioner remotely by the computer that can communicate with the communication device. be able to.

It is a figure showing an outline of a surveillance system concerning this embodiment. It is a schematic diagram which shows the example of mounting of a communication device. It is a block diagram showing composition of a surveillance system. It is a schematic diagram showing the program composition of the device program memorized by the storage part of a communication device. It is a flowchart which shows an example of the process sequence in a communication device. It is a figure which shows an example of the display screen provided by the web server function of a server apparatus. It is a figure which shows an example of the display screen provided by the web server function of a server apparatus. It is a figure which shows an example of the web screen shown from the communication device connected to the power conditioner. It is a figure which shows another example of the web screen shown from a communication device. It is a figure which shows another example of the web screen shown from a communication device.

  The present invention will be specifically described with reference to the drawings showing the embodiments thereof.

  FIG. 1 is a view showing an outline of a monitoring system 100 according to the present embodiment. The monitoring system 100 includes a server device 2 (information processing device) that collects information of a system or device to be monitored, and a client device 3 that acquires the collected information. The server device 2 includes a web server function, and presents information obtained for each device in response to access from the client device 3.

  The monitoring targets of the monitoring system 100 are the storage system 101 included in each of the mega solar power generation system S and the thermal power generation system F. Power storage system 101 appropriately converts storage module group L for storing power obtained by power generation systems S and F, and power obtained for power generation systems S and F, and outputs the power to storage module group L or a power supply destination. And a conditioner (PCS: Power Conditioning System) P. Monitoring system 100 acquires and presents detailed information on the state of power storage module group L and power conditioner P included in power storage system 101. The storage module group L is accommodated in the container C in the power generation systems S and F. The container C accommodates a plurality of racks to which a plurality of storage modules including a plurality of lithium ion battery cells are attached (see FIG. 2).

  In the monitoring system 100, the communication device 1 is mounted or connected to each device in order for the server device 2 to collect information or to obtain information directly from the client device 3. FIG. 2 is a schematic view showing an installation example of the communication device 1. The communication device 1 may be a terminal device (measurement monitor) that communicates with a battery management unit (BMU: Battery Management Unit) included in the storage element to receive information on the storage element, as shown in FIG. It may be a network card type device that can be mounted on the power conditioner P or the storage module group L. Communication device 1 is provided for each of a plurality of storage modules grouped together in order to obtain information on storage module group L in storage system 101. A plurality of power conditioners P are connected so as to enable serial communication, and the communication device 1 is connected to the control unit of the power conditioner P, which is one of the representative.

  As described above, the monitoring system 100 uses the communication device 1 mounted or connected to each device, and detects information such as the SOC of the storage element in the storage system 101, the state of SOH (State Of Health), detected abnormality, etc. The data collected by the device 2 is presented collectively. In the monitoring system 100, in addition to collective presentation, direct communication to each communication device 1 can be made possible, and the latest information in each device can be individually acquired from the client device 3. The information acquired individually is displayed in a different manner depending on the type of device while including the common part.

  FIG. 3 is a block diagram showing the configuration of the monitoring system 100. As shown in FIG. The communication device 1 includes a control unit 10, a storage unit 11, a first communication unit 12, and a second communication unit 13. The control unit 10 is a processor using a CPU (Central Processing Unit), and controls each constituent unit to execute processing using a memory such as a built-in ROM (Read Only Memory) and a RAM (Random Access Memory).

  The storage unit 11 uses a non-volatile memory such as a flash memory. The storage unit 11 stores a device program 1P read and executed by the control unit 10. The device program 1P is for communication based on an embedded operating system (Linux) (registered trademark) or the like, a Web server operating on the OS, SSH (Secure Shell), SNMP (Simple Network Management Protocol), etc. The program is included. The device program 1P may include a mailer program, and when an abnormality occurs, an electronic mail may be automatically sent to a mail address set in advance. These programs may be stored in a memory (ROM) built in the control unit 10. The storage unit 11 stores information collected by the processing of the control unit 10 and information such as an event log. The information stored in the storage unit 11 can also be read out via a communication interface such as a USB whose terminal is exposed to the housing of the communication device 1.

  The first communication unit 12 is a communication interface that realizes communication with a device (monitored device) to which the communication device 1 is connected, and uses, for example, a serial communication interface such as RS-232C or RS-485. For example, the power conditioner P includes a control unit having a serial communication function conforming to RS-485, and the first communication unit 12 communicates with the control unit. In the configuration in which a plurality of power conditioners P are connected, it is connected to the control unit of the power conditioner P that is representative of the cascaded control units, and communicates with the plurality of power conditioners P via each control unit. Do.

  The second communication unit 13 is an interface for realizing communication via the network N, and uses, for example, a communication interface such as Ethernet (registered trademark) or an antenna for wireless communication. The control unit 10 can communicate with the server device 2 or the client device 3 via the second communication unit 13.

  In the communication device 1 configured as described above, the control unit 10 acquires, via the first communication unit 12, various types of information including state information obtained by the device to which the communication device 1 is connected. The control unit 10 can also present information by receiving a communication connection from the server apparatus 2 or the client apparatus 3 as a Web server by reading out and executing the Web server program. The control unit 10 can receive the shutdown function remotely by SSH. The control unit 10 functions as an SNMP agent by reading and executing the program for SNMP, and can respond to an information request from the server device 2.

  The server device 2 uses a server computer, and includes a control unit 20, a storage unit 21, and a communication unit 22. Although the server device 2 is described as one server computer in the present embodiment, the server device 2 may have a configuration in which processing is distributed among a plurality of server computers.

  The control unit 20 is a processor using a CPU, and controls each component to execute processing using a memory such as a built-in ROM and RAM. The control unit 20 executes information processing based on the server program 2P stored in the storage unit 21. The server program 2P includes a web server program, and the control unit 20 functions as a web server that executes provision of a web page to the client device 3 and acceptance of login to a web service. The control unit 20 can also collect information from the communication device 1 as a server for SNMP based on the server program 2P.

  The storage unit 21 uses, for example, a non-volatile memory such as a hard disk or a flash memory. The storage unit 21 stores the server program 2P described above, and data including the status of the power conditioner P and the storage module group L of the storage system 101 to be monitored collected by the process of the control unit 20. Remember.

  The communication unit 22 is a communication device that realizes communication connection and data transmission / reception via the network N. Specifically, the communication unit 22 is a network card corresponding to the network N.

  The client device 3 is a computer used by an operator such as a manager or a person in charge of maintenance of the storage system 101 of the power generation systems S and F. The client device 3 may be a desktop or laptop personal computer, or may be a so-called smartphone or tablet communication terminal. The client device 3 includes a control unit 30, a storage unit 31, a communication unit 32, a display unit 33, and an operation unit 34.

  The control unit 30 is a processor using a CPU. The control unit 30 causes the display unit 33 to display a web page provided by the server device 2 or the communication device 1 based on the web browser program stored in the storage unit 31.

  The storage unit 31 uses, for example, a non-volatile memory such as a hard disk or a flash memory. The storage unit 31 stores various programs including a web browser program.

The communication unit 32 is a communication device such as a network card for wired communication, a base station BS (FIG.
Wireless communication device for mobile communication connected to (reference) or wireless communication device corresponding to the connection to the access point AP. The control unit 30 can communicate with the server device 2 or the communication device 1 via the network N and transmit / receive information by the communication unit 32.

  The display unit 33 uses a display such as a liquid crystal display or an organic EL (Electro Luminescence) display. The display unit 33 displays an image of a web page provided by the server device 2 by processing based on the web browser program of the control unit 30. The display unit 33 is preferably a touch panel built-in display, but may be a touch panel non-embedded display.

  The operation unit 34 is a user interface such as a keyboard and a pointing device capable of input and output with the control unit 30, or an audio input unit. The operation unit 34 may use a touch panel of the display unit 33 or a physical button provided on a housing. The operation unit 34 notifies the control unit 20 of operation information by the user.

  As shown in FIG. 1, the network N includes a public communication network N1 which is a so-called Internet, and a carrier network N2 which realizes wireless communication according to a predetermined mobile communication standard. The carrier network N2 includes a base station BS, and the client device 3 enables communication with the server device 2 from the base station BS via the network N. An access point AP is connected to the public communication network N1, and the client device 3 can also transmit and receive information to and from the server device 2 from the access point AP via the network N.

  In the monitoring system 100, the server device 2 periodically acquires various information including the states of the power conditioner P and the storage module group L or in response to a request from the client device 3, and stores the information in the storage unit 21. The server device 2 processes the latest data stored in the storage unit 21 and the history thereof so that they can be acquired as a Web page or data (download) from the client device 3. The information provided by the server device 2 includes the power conditioner P and connection information (URL: Uniform Resource Locator, IP address, etc.) to the Web server provided by the communication device 1 installed in the storage module group L. Be The client device 3 can acquire the information of the power conditioner P and the storage module group L from the Web page provided from the communication device 1.

  FIG. 4 is a schematic diagram showing a program configuration of the device program 1P stored in the storage unit 11 of the communication device 1. The program configuration shown in FIG. 4 shows an example of a device program 1P stored in the storage unit 11 of the communication device 1 connected to the power conditioner P. As described above, in addition to the embedded OS program 10P using Linux (registered trademark) and the web server program 11P operating on the OS, the device program 1P includes the communication program 12P conforming to SSH, SNMP, etc. Including. The device program 1P stored in the communication device 1 of the power conditioner P and the device program 1P stored in the communication device 1 of the storage module group L include these programs as a common part. Device program 1P for power conditioner P further includes an individual part. The individual part includes a communication program 13P for a communication protocol specific to the power conditioner P, Web screen data (including design data, material image data, and screen transition information) 14P, and a power server cooperation program 15P.

  The communication program 13P interprets a protocol (RS-485 or other signal input / output) with which the control unit 10 of the communication device 1 itself communicates with the power conditioner P, and a communication signal communicated by the protocol. Programs (status code etc.). The protocol may be tabulated and stored in the storage unit 11, and may be readable by the communication program 13P.

  Web screen data 14P is screen data for displaying status information and error information such as whether the power conditioner (PCS) P is charging, discharging, selling or buying, etc., screen data, power conditioning It includes screen data for accepting control operations of the control panel P and screen transition information thereof.

  The power server cooperation program 15P is a client program for cooperating with the power server, and realizes a process of receiving output control (schedule) from the power server.

  FIG. 5 is a flowchart showing an example of the processing procedure in the communication device 1. Each time the control unit 10 of the communication device 1 detects a communication event from the server device 2 or the client device 3 by the second communication unit 13, the control unit 10 starts the following process.

  The control unit 10 determines whether the communication event is a transmission request from the server device 2 (step S101). If it is determined that the request is a transmission request from the server device 2 (S101: YES), the control unit 10 may obtain the latest information from the connected device by the first communication unit 12, or may obtain it in advance and temporarily The information stored in advance is read and acquired (step S102). The control unit 10 transmits various information such as the acquired state from the second communication unit 13 to the server device 2 (step S103: equivalent to “first transmission unit”), and ends the process. The control unit 10 transmits the information acquired by the first communication unit 12 in accordance with a preset schedule (10 minutes, 30 minutes, every hour, etc.) without receiving the transmission request in step S101. May be

  If it is determined in step S101 that the communication event is not a transmission request (step S101: NO), the communication event is a connection request from the client device 3, and the control unit 10 is connected by the first communication unit 12. The latest information including status information is acquired from the device (step S104). The control unit 10 creates a web page including the acquired latest information (updates data included in the web page) (step S105), and sends data of the created web page to the client device 3 of the request source as the second communication unit It transmits from 13 (step S106. It corresponds to "the 2nd transmission part").

  The control unit 10 acquires and receives the operation on the web page displayed on the display unit 33 of the client device 3 through communication (step S107). In step S107, it is determined whether the control is to the connected device or not (step S108). When it is determined that the control is to the device (S108: YES), the control unit 10 creates control information according to the operation (step S109), and directs the control information to the connected device. The Web page is transmitted from the communication unit 12 (step S110, corresponding to "third transmission unit"), and the Web page is updated according to the operation (step S111). If it is determined that the control is not to the device (S108: NO), the control unit 10 updates the Web page according to the operation (S111), and advances the process to step S112.

  The control unit 10 determines whether the logout or the end operation of the Web browser is performed by the operation of the operation unit 34 in the client device 3 (step S112), and it is determined that the logout or the end operation is performed (the S112: YES), the process ends. If it is determined that the logout or end operation has not been performed (S112: NO), the control unit 10 returns the process to step S107 and continues the acceptance of the operation.

  The web page provided from the communication device 1 is displayed by selecting an icon associated with the connection information (URI) included in the display screen provided by the web server function of the server device 2. 6 and 7 are diagrams showing an example of a display screen provided by the web server function of the server device 2. As shown in FIG. FIG. 6 shows an example of a screen displayed after login to the monitoring system 100, and FIG. 7 shows an example of a screen displayed after one system is selected.

  In response to the login request from the client device 3, the control unit 20 of the server device 2 transmits the information of the login page to the client device 3. The client device 3 displays a login page on the display unit 33, accepts login information based on the operation of the operation unit 34, and transmits the login information to the server device 2. Thereby, the server device 2 extracts a viewable system or device according to the login information, and transmits the information of the Web screen 330 including the name to the client device 3. FIG. 6 shows an example of the Web screen 330 at this time. In the example of FIG. 6, the name “XY city mega solar system” of the mega solar power generation system S shown in FIG. 1 and the name “WZ power plant system” of the thermal power generation system F are displayed as links with identification information. There is. On the Web screen of the list, the status (normal / abnormal) of each system at that time, the graph of the measurement parameter in each system, the icon for outputting each life prediction of the storage module used in the system Included for analysis.

  As shown in FIG. 6, on the web screen 330 displayed based on the web page provided from the server device 2, a menu 331 such as “system search”, “life expectancy”, “download”, “report” etc., logout Alternatively, a button 332 for ending operation is included.

  FIG. 7 shows an example of a screen in which information of each device is collectively included for each system. FIG. 7 shows an example displayed on the display unit 33 when “XY city mega solar system” is selected on the Web screen 330 shown in FIG. In the screen example of FIG. 7, according to the system configuration of the storage system 101 used by the “XY city mega solar system”, four power conditioners P and storage module groups L configured in a plurality of banks are provided. A name (identification information such as a number) is shown. In the object indicating each name, an icon 334 for displaying each detailed information (information collected by the server device 2) and an icon 335 for displaying detailed information (real time) are arranged. The icon 335 is an icon for connecting to the Web server operating in the communication device 1 and is arranged together with the identification information of the communication device 1. The storage module group L is provided with a “+” icon 333 for expanding its hierarchical structure (domain, bank, module, cell).

  When a Web page provided from the communication device 1 of the power conditioner P is selected, the icon 335 corresponding to the power conditioner (PCS) P is selected in the Web screen 330 of the display unit 33 shown in FIG. 7 Then, another window is started up and displayed on the display unit 33 of the client device 3.

  FIG. 8 is a view showing an example of the Web screen 341 presented from the communication device 1 connected to the power conditioner P. As shown in FIG. The information displayed on the web screen 341 is output based on the web screen data 14P stored separately for the power conditioner (PCS) P. Login is also required to display the web screen 341. The login information at this time is the same as the login to the Web server provided by the server device 2, whereby the login information is automatically logged in and displayed without performing the operation of inputting the login information again.

  In the example shown in FIG. 8, the communication device 1 provides the client apparatus 3 with information obtained from the control unit of the power conditioners P (four in the example of FIG. 7) connected in series. As shown in FIG. 8, on the Web screen 341 for displaying the information of the power conditioner P, “generated power” indicating real-time generated power in the power generation system connected to the power conditioner P, the power conditioner The item of "PCS state" which shows the state in P group whole is included. Furthermore, on the Web screen 341, the magnitude of the total AC power (positive) and the total AC power (negative) of the power conditioner P (the PCS as the parent device in the plurality of connected) is large (during selling / purchasing) The item of "AC power" which shows is shown. On the Web screen 341, the installation place (or the system name included) of the power conditioner P is displayed, and information such as the ratio of output control and temperature is displayed as character information. The charging state of the storage module group L to be connected may be displayed on the Web screen 341 together with the symbol.

  As shown in FIG. 8, a plurality of menu icons 342 are included in the Web screen 341 for displaying the information of the power conditioner P. The plurality of menu icons 342 each include, for example, a menu for displaying various information including information on an abnormality obtained through the communication device 1. The menu icon 342 is a menu for setting time, notification e-mail address, etc. in the communication device 1, network setting, setting for SNMP, setting for control via serial communication, or restart (shutdown) of the communication device 1. including. The Web screen 341 has different contents according to the login information. Setting of output control of the power conditioner P, setting of output control schedule, confirmation of contract capacity, surplus purchase, in the menu icon 342 of the Web screen 341 displayed on the client device 3 by the login information having maintenance personnel authority Setting or a password setting menu.

  Also in the Web screen 341 regarding the power conditioner P, the screen changes in response to the selection operation of the menu icon 342 by the operation unit 34 of the client device 3. In the Web screen 341 for the power conditioner P, a display screen of detailed information, an input screen of settings, and the like are displayed according to the selection of the menu.

  FIG. 9 is a view showing another example of the Web screen presented from the communication device 1. FIG. 9 is an example of a screen displayed when the menu for showing the detailed information, ie, the detailed information about each of the plurality of power conditioners P, of the menu icons 342 in FIG. 8 is selected by the operation unit 34. . When the Web screen 341 changes to another content, an icon 343 for returning to the Web screen 341 of FIG. 8 is displayed. When the menu icon 342 shown in FIG. 9 is selected, icons 344 corresponding to the power conditioners P connected in serial communication from the communication device 1 are displayed on the Web screen 341. Identification information such as a number for identifying the power conditioner P is attached to each icon 344, and the display mode differs depending on the state of each power conditioner P. In the case of FIG. 9, for example, the icons corresponding to the operating power conditioners P (# 1 to # 4) are displayed in solid lines and in solid. The icon 344 corresponding to the power conditioner P not in operation is displayed in solid line and in gray (indicated by hatching in the figure). In a warning state or a state in which an abnormality is detected, it is preferable to change a solid color such as yellow or red to be easily grasped visually. A maximum of 20 power conditioners P can be connected in serial communication, and an icon 344 corresponding to the unconnected power conditioner P is indicated by a broken line. If serial communication is connected but communication can not actually be performed, the mode may be changed according to the state, for example, a question mark is attached. Each icon 344 is provided with a link to a screen indicating detailed information of the corresponding power conditioner P (error code or abnormal code in case of error detection state), and when selected, the screen 341 is selected. It is switched to the display of the detailed information of the power conditioner P.

  FIG. 10 is a view showing another example of the Web screen presented from the communication device 1. FIG. 10 is an example of a screen displayed when the menu of the output control setting of the power conditioner P is selected by the menu icon 342 of FIG. 8. The screen 345 is displayed on the display unit 33 of the client device 3 so as to be superimposed on the Web screen 341 of FIG. 8. It may be switched in the web screen 341. In the example shown in FIG. 10, the screen 345 is provided with columns for selecting a schedule input method and receiving input of connection information (URL and port) of a power server of a cooperation destination. It is also possible to receive setting input of a power plant ID, an installation place, and the like. The setting of the output change time can also be accepted.

  In this manner, using the communication device 1 that can be universally mounted on the power conditioner P, it becomes possible to access a Web page that individually presents the information of the power conditioner P with the server device 2 as a base. The information presented on this Web page enables not only the output state of the entire power conditioner P, an abnormal state, etc., but also display of detailed information of each of the plurality of connected power conditioners P. Furthermore, since this Web page functions as an interface for receiving exchange of control information, setting for cooperation with an external power server, and control instruction operation by the operation unit 34 of the client device 3, maintenance work by the user or maintenance personnel Can be expected to dramatically improve

  The example in which the storage module and the storage module group L are composed of a plurality of lithium ion battery cells has been described. Alternatively, the storage module and storage module group L (or a part of the storage module group L) may be configured of a plurality of lead storage batteries or capacitors.

  The following configuration can also be realized as another embodiment. A computer program for causing a computer comprising a display unit to receive and display information on a power supply related device, and requesting the computer to make a communication connection to a communication device connected to the power supply related device, the communication device Receiving the screen display information including a menu for displaying the state of the power supply related device and a menu for displaying a screen for receiving an operation on the power supply related device, and the power supply related device based on the received screen display information Displaying a screen including status information of the computer program.

  The power supply related device may be any one or more of a power conditioner, an uninterruptible power supply, a rectifier such as converting alternating current to direct current or alternating current of different characteristics. Preferably, the power supply related device is electrically connected to the storage element.

  The power supply related device is equipped with a storage element (lithium ion battery or lead storage battery) and a battery management device in addition to the communication device 1, and display information for collectively displaying the information of the power supply related device and the information of the storage element It may be sent. The power supply related device may remotely receive the setting for controlling the mounted storage element through the battery management device.

  In addition, the above-mentioned embodiment is an illustration in all points, and is not restrictive. The scope of the present invention is shown by the claim, and it is intended that the meaning of a claim and equality and all the changes within the range are included.

Reference Signs List 1 communication device 10 control unit 12 first communication unit 13 second communication unit 2 server device 20 control unit 21 storage unit 22 communication unit 3 client device 30 control unit 32 communication unit 33 display unit

Claims (5)

A communication device that has a storage unit that stores screen data for screen display and that functions as a Web server;
The communication device is
A creation unit that creates display information based on the screen data to display a Web screen including a screen for receiving an input operation when receiving a connection request from the client device
And a communication unit that transmits the generated display information to the client device.
A power conditioner that creates display information of a screen for receiving output control settings of a self device and a power conditioner connected to the self device by the creating unit, and transmits the created display information from the communication unit to the client device. The power conditioner according to claim 1, wherein the screen includes a field for receiving an input of a schedule, and a field for receiving an input of connection information with a power server. The power conditioner according to claim 1 or 2, wherein control information is created based on the operation received on the screen, and is transmitted to a control unit that controls the own device and a power conditioner connected to the own device. The display information includes information for displaying an object corresponding to a power conditioner connected to the own device,
The power conditioner according to any one of claims 1 to 3, wherein the object includes information for displaying a state of the own device and information of a power conditioner connected to the own device. A computer program that causes a computer including a display unit to receive and display information of a power conditioner,
On the computer
Requesting a communication connection as a client to a Web server of a communication device provided in the power conditioner;
It includes a menu for displaying a screen for receiving settings of output control of the power conditioner and the power conditioner connected to the power conditioner created from the communication device based on screen data stored in the communication device. A computer program that executes a step of receiving screen display information based on the screen data, and a step of displaying a screen for receiving the setting of the output control based on the received screen display information.

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