KR20070098508A - Alarm system for substation equipment abnormality - Google Patents

Abstract

An alarm system for informing abnormality of equipment in a substation is provided to inform a manager of a state change of the equipment by a bell/buzzer or specific sound chosen by the manager and to let the manager quickly recognize the state of the equipment by transmitting an alarm message to his/her cellular phone. An alarm system for informing abnormality of equipment in a substation is composed of state change sensing units(1) installed in the equipment to detect and transmit state changes of each equipment to a data input unit(2); the data input unit receiving and transmitting analog state information of various equipments inputted from the state change sensing units in real time, to an A/D(Analog To Digital) converter(3); the A/D converter converting the analog state information transmitted through the data input unit, into a digital signal and transmitting the digital signal to a control unit(4); the control unit receiving the state information signal related to various equipments inputted through the A/D converter and performing the entire control function of the system; a state information memorizing unit(5) memorizing the state information signal related to various equipments by the control of the control unit and outputting the abnormal state and history information of the correspondent equipment or operation state aggregate information related to the entire equipment to the control unit; a touch type LCD(Liquid Crystal Display) monitor(6) displaying the state and abnormality information of various equipments as words or graphs by control of the control unit and displaying various menus and data; an alarm sound selection unit(7) enabling a user to choose specific sound corresponding to the level of a breakdown of the correspondent equipment if abnormal states of each equipments is detected; an alarm driving unit(8) driving an alarm(9) by the alarm sound chosen by the user through the alarm sound selection unit, by control of the control unit, if an abnormal state is generated in the specific equipment; and the alarm generating the bell or buzzer sound or specific sound according to the level of a breakdown of the correspondent equipment by control of the control unit.

Description

Alarm system for substation equipment abnormality

1 is an overall block diagram of an alarm system according to the present invention;

2 is a flowchart illustrating an operating state of the alarm system according to the present invention.

Figure 3 is a block diagram illustrating a menu setting state of the alarm system according to the present invention.

4 is an exemplary view of a history screen appearing on a touch type LCD monitor when checking the history using the present invention system.

5A to 5C are exemplary diagrams of an administrator registration screen appearing on a touch type LCD monitor when registering an administrator using the present invention system.

6 is an exemplary diagram of a SOE point designation screen appearing on a touch type LCD monitor of the present system.

7 is an exemplary view of a driving alarm generation screen on a touch type LCD monitor of the present invention.

**** Explanation of symbols for the main parts of the drawing ****

1: state change detection means 2: data input unit

3: A / D converter 4: control part

5: Status information storage unit 6: Touch type LCD monitor

7: alarm sound selection unit 8: alarm drive unit

9: alarm 10: SMS module

11: watch dog unit 12: mobile phone

The present invention relates to a system abnormality alarm system of a substation, and more particularly, to monitor the operation status of various substation-related facilities installed in the substation, and immediately detects when a change of state occurs and displays it on a monitor and at the same time bell / buzzer Or, it is notified by a special sound selected by the administrator, as necessary, by sending a corresponding alarm message to the remote administrator's mobile phone as a text, it was invented to recognize the status of the various substation-related equipment and take necessary measures.

In general, substations are equipped with various substation-related facilities and devices, and each facility has state change detection means for detecting its own state change and alarm means for on / off operation in response to output signals of the state change detection means ( (Including lamps and alarms) is provided in a 1: 1 response method, so when an abnormal state change is made in a specific facility among various substation related facilities, the alarm means corresponding to the corresponding facility is driven. By visually or audibly checking the driving or non-driving status of the alarm means corresponding to the installation, the relevant substation-related equipment where the status change alarm is generated can be checked and appropriate action can be taken.

However, in the conventional substation alarm system having such a configuration, when an abnormal state change occurs in any one of several substation related facilities installed in the substation, and the corresponding alarm means is activated, the administrator looks at the entire monitoring network. Check the contents of the operation of lamps or alarms, which correspond to 1: 1 substation related equipment, through visual or auditory hearing, and then identify the equipment and then check the equipment. Since it is necessary to take necessary measures and leave a record, it is difficult to immediately check the relevant equipment that has an abnormal condition among the numerous alarm means installed on the large panel, and the alarm window by the administrator's malfunction in the process of recognizing the alarm contents. Is a problem that is difficult to manage collectively because have.

In addition, the state change detection means and the alarm means for each facility are connected to each other through a cable in a 1: 1 manner, which leads to a large number of cables and complicated wiring, which leads to high installation cost of the monitoring system. There is a problem in that it is difficult to secure the accommodation space according to the installation of the window and the panel size of the monitoring system becomes large.

The present invention has been made to solve such a conventional problem, the output signal of the state change detection means installed in each substation related equipment is collected through the data input unit to convert the A / D and then transferred to the control unit various equipment It automatically saves the alarm contents according to the change of status on the storage in the memory, and provides the operation status information about the relevant equipment and the operation status summary table for all the equipments through one monitor installed on the panel as needed. The purpose of the system is to provide an alarm system for substation facilities that enables managers to accurately recognize the status of substation-related facilities and take necessary actions accurately and promptly by signaling the abnormal status of the facility with a bell / buzzer or a special sound selected by the manager. There is this.

In addition, the present invention can prevent the disappearance of the alarm contents due to the misoperation of the administrator in advance, and if necessary, by sending an alarm message of the corresponding equipment by text to a remote administrator's mobile phone, the administrator is not in the field. Another object is to provide a substation alarm system for a substation that can quickly and accurately recognize an abnormal condition for a particular facility and take action on that facility quickly.

In addition, the present invention receives the integrated input signal of the state change detection means installed in each substation-related equipment to the data input unit through the RS-485 communication method, such as A / D conversion and transfer to the control unit corresponding to the touch-type LCD monitor, etc. By displaying the information, the amount of cables that are connected 1: 1 between the status change receiving means and the alarm means can be greatly reduced, as well as the panel size of the monitoring window can be greatly reduced, and the installation space of the monitoring window can be greatly reduced. Another object is to provide a substation alarm system for a substation that can greatly reduce the installation cost of the alarm system.

Alarm system of the present invention for achieving the above object, the state change detection means is installed in a variety of substation-related facilities for detecting a state change for each facility and delivers to the data input unit; A data input unit for receiving analog state information of various equipment input in real time from the state change detection means and transmitting the analog state information to an A / D converter; An A / D converter converting analog state information signals of various equipments transmitted through the data input unit into digital signals and transmitting the digital signal to the controller; It receives the state information signal for the various equipments inputted through the A / D converter and stores them in the state information storage unit, as well as detects an abnormal state of each of the facilities and sends a corresponding control signal to the alarm driver. A control unit that performs overall control functions of the system such as output through the display and a display on the touch type LCD monitor; Under the control of the control unit, the state information signal for various facilities is stored, and when requested by the user, the abnormal state information or history information on the corresponding facilities or the operation state aggregate information for all the facilities are output to the control unit. A state information storage unit for making it; A touch type LCD monitor for displaying various menus and data at the same time as displaying the status and abnormal information on various equipments under the control of the controller in a text or a table; An alarm sound selection unit for allowing a user to select a special sound corresponding to a degree of failure of the corresponding equipment (for example, a warning book or a used book) when an abnormal state of various equipments is generated; An alarm driver for driving an alarm with an alarm sound selected by the user through an alarm sound selection unit when an abnormal state occurs in a specific facility under control of the controller; Under the control of the alarm drive unit is characterized by consisting of an alarm to generate a ringtone, buzzer or special sound by distinguishing the heavy and warning chapters for the corresponding facilities.

The output unit of the controller may further include an SMS (Short Messaging System or Short Message Service) module configured to send a predetermined text message to a mobile phone of an administrator under the control of the controller.

In addition, the output unit of the control unit is characterized in that the control unit is equipped with a watchdog unit (watchdog unit) for monitoring the system control program and the communication state in the self to generate an alarm.

In addition, when the controller recognizes the abnormal state information of the facility requiring emergency recovery and action as a result of receiving the state change information signal for each of the facilities, the controller displays it on the touch type LCD monitor in preference to the other abnormal state information. And at the same time characterized in that the control to generate an alarm sound corresponding to the abnormal information through the alarm.

Hereinafter, a preferred embodiment of the facility abnormality warning system of the substation according to the present invention based on the accompanying drawings in detail as follows.

1 is a block diagram showing the overall block diagram of the alarm system according to the present invention, Figure 2 shows a flow chart illustrating the operating state of the alarm system according to the present invention, Figure 3 is a menu setting of the alarm system according to the present invention A block diagram illustrating the state is shown.

4 shows an exemplary view of a history screen displayed on a touch-type LCD monitor when checking the history using the system of the present invention, and FIGS. 5A to 5C show a case of registering an administrator using the system of the present invention. FIG. 6 shows an exemplary view of an administrator registration screen displayed on a touch LCD monitor, and FIG. 6 shows an exemplary view of an SOE point designation screen displayed on a touch LCD monitor of the present invention. FIG. An example of driving alarm generation screen is shown on a touch LCD monitor.

1 to 3, the alarm system according to the present invention is largely a plurality of state change detection means 1, data input unit 2, A / D converter 3, control unit 4, state information storage The part 5, the touch type LCD monitor 6, the alarm sound selection part 7, the alarm drive part 8, and the alarm 9 are made into the basic thing.

In addition, according to the present invention, the SMS module 10 and the watch dog unit 11 are selectively installed as necessary in the above configuration.

At this time, the state change detection means (1) are respectively installed in various substation-related facilities to detect the state change for each facility (that is, whether each facility is operated in a predetermined state) to detect the detection signal The data is input to the data input unit 2.

In addition, the data input unit 2 is configured as an RS-485 communication interface, etc., and receives analog state information on various equipments input in real time from the respective state change detection means 1, and then A / D converter. The A / D converter 3, which receives the analog status information signal for various equipments through the data input unit 2, converts it into a digital signal and transmits it to the control unit 4. Done.

Accordingly, the controller 4 receives digital status information signals for various equipments input through the A / D converter and stores them in the status information storage section 5 as well as abnormalities for the respective equipments. The overall control function of the system can be performed by detecting a state and outputting a corresponding control signal through the alarm driver 8 and simultaneously displaying it on the touch type LCD monitor 6.

In addition, the state information storage unit 5, under the control of the control unit 4, stores state information signals for various facilities, and when the user or the control unit 4 requests the abnormality of the corresponding facilities. It outputs the status information, the history information or the operation status aggregation information for all the facilities to the control unit (4).

In addition, the state information storage section 5 stores a variety of data generated during operation of the system, including system registration programs executed by the control section 4, such as manager registration data and driving alarm generation information.

On the other hand, in the present invention, unlike the prior art, one type of alarm 9 and the touch-type LCD monitor 6 that can display various status information, substation information, etc. without installing alarms for various facilities 1: 1 One touch panel is installed in the window, and the touch-type LCD monitor 6 is controlled by the control unit 4 to display various alarm messages through the entire bus graphic or window type screen for status and abnormal information on various facilities. By displaying various menus and data at the same time as displaying in text or diagram, the administrator can immediately check whether any abnormal conditions have occurred for various equipments with the naked eye through the touch-type LCD monitor 6 and take necessary measures. Various menus required for system operation and administrator registration can be easily performed.

In addition, in the present invention, by installing the alarm sound selection unit 7, when the administrator generates an abnormal condition in a particular facility, a special function corresponding to the degree of failure of the corresponding facility (for example, warning or heavy failure) and warning and used fields The sound can be selected to be generated so that the abnormal state can be recognized through hearing and the corresponding action can be promptly taken without seeing the information displayed on the touch type LCD monitor 6 with the naked eye.

In addition, in response to the alarm sound selection unit 7, in the present invention, the alarm 9 is configured to generate a bell, a buzzer, or various special sounds, thereby controlling the control of the controller 4 in the alarm driver 8. When an abnormal condition occurs in a specific facility, the user operates the alarm 9 with the alarm sound selected by the alarm sound selection unit 7, so that the alarm 9 distinguishes the heavy and warning fields for the facilities. To generate a ringtone, buzzer or special sound.

* On the other hand, since the SMS module 10 is further provided in the output unit of the control unit 4 as necessary, when the controller 4 recognizes that an abnormality has occurred in a specific facility, the manager's mobile phone 12 that is previously inputted. It is possible to notify the manager automatically by sending the scheduled text message through wired / wireless communication network, so that the manager immediately knows the status change occurrence and status change of various facilities of the substation even when the manager is not at the site or at a long distance. Can be taken quickly.

In addition, in the present invention, the watchdog unit 11 is additionally installed at the output of the control unit 4 so that the control unit 4 monitors the system control program and the communication state in the controller 4 and stores and alerts the contents thereof. The system administrator can accurately recognize the state of the system and can quickly take the necessary actions to operate the system.

In addition, when the controller 4 recognizes the abnormal state information of the facilities requiring emergency recovery and action as a result of receiving the state change information signal for each of the facilities, the controller 4 takes priority over other abnormal state information. By displaying on the monitor (6) and generating an alarm sound corresponding to the abnormal information through the alarm (9), such as the urgency and the degree of failure according to the operation of the system when an abnormality occurs among various substation related facilities In order to accommodate the sequence, the facility can be serviced first.

The facility abnormality warning system of a substation according to the present invention having the above configuration is operated by mounting a system control program on the control unit 4 or the state information storage unit 5 and executing the program.

As shown in FIG. 2, the program includes a state change signal checking step S100, a state change warning step S110, a state change information recording step S120, a normal signal checking step S130, and a normal return step S140. ) And a menu setting step (S150).

The state change signal checking step S100 confirms whether the state change signal is output from the state change monitoring means 1 and received through the data input unit 2 and the A / D converter 3.

The state change alarm step (S110), if the state change signal is received in the state change signal check step (S100), the alarm (9) by distinguishing the alarm sound and failure degree corresponding to the equipment or device that the state change occurred At the same time, various alarm messages are displayed on the screen of the touch bus type LCD monitor 6 of the bus bus graphic or the window type corresponding to the state change occurrence part of the equipment.

As such, the administrator generates an accident location by displaying the location of the accident where the alarm is detected in the state change alarm step (S110) on the touch-type LCD monitor 6 through the entire bus graphic or the window type screen. Touch to display the corresponding Bay screen.

At this time, the bay screen is composed of a bay screen corresponding to one side and a table indicating a window on the other side, and the table is a column that indicates the accident occurrence position by blinking a cell corresponding to the accident occurrence position. When touched, the alarm occurrence time and the alarm occurrence contents are displayed.

The state change information recording step (S120) records the state change occurrences of each substation-related facility of the substation in the state information storage unit 5 in the control unit 4.

The normal signal checking step (S130) checks whether a normal signal for the corresponding substation facility is received.

The normal return step (S140), if the normal signal is received for the device in the normal signal check step (S130), blocking the alarm sound for the corresponding equipment generated by the alarm (9) and at the same time touch-type LCD The alarm message displayed on the monitor 6 is removed.

In the menu setting step (S150), the administrator selects an operation method and an alarm sound, and an alarm sound selection menu S151 selected through the alarm sound selection unit 7, an operation method selection menu S152, and a fault. A setting menu (S153), an operation history log menu (S154), a device name input menu (S155), a signal return confirmation menu (S156), an SMS function menu (S157), and a SOE point setting menu (S158) are provided.

The alarm sound selection menu (S151) has a sub-menu consisting of a bell or buzzer menu or a special sound menu through the alarm sound selection unit (7) as described above, and the operation method selection menu (S152) is manned operation. The submenu consists of a menu and an unmanned operation menu.

In addition, the failure setting menu (S153) has a sub-menu consisting of a warning letter menu and a long-term menu, the operation history log menu (S154) is a history menu for each device, as shown in FIG. It is configured and has a submenu to print the history.

In addition, the device name input menu (S155) includes a submenu consisting of a device name input menu of equipment and a selection menu for each voltage, and the signal return confirmation menu (S156) has an abnormal operation return after an arbitrary operation for each device. There is a sub-menu to check if there is no.

In addition, the SMS function menu (S157) is provided with a sub-menu to automatically send the contents of the alarm to the mobile phone by text, and the SOE point setting menu (S158) to alert the pop-up window when the critical point alarm occurs as shown in FIG. It is equipped with a submenu to check.

The program as described above is executed by the administrator after completing the general setting of the alarm system by creating and combining the corresponding message for each state change signal through the menu setting step (S150), alarm method, operation method, SMS function selection, and the like. In addition to notifying the occurrence of changes in the status of the various substation-related equipments of the substation and displaying the detailed contents of the changes, the manager can not only perform prompt and accurate follow-up according to various changes of status, Even if it is, by sending a specific alert message to the mobile phone 12 of the designated manager, it is possible to take quick follow-up actions according to the change of state anytime and anywhere.

In addition, the touch-type LCD monitor 6 has a menu for registering an administrator who operates the system as shown in FIGS. 5A to 5C, and also has a driving alarm generation menu as shown in FIG. 7. Although not illustrated, a screen color adjustment menu is further provided.

As described above, according to the alarm system according to the present invention, first, the output signal of the state change detection means installed in each substation related equipment is collected through the data input unit, converted to A / D, and then transferred to the control unit for various facilities. The alarm contents according to the change of status of the system are automatically stored in the memory, and if necessary, the operation status information about the equipment and the operation status summary table for all the equipments are provided through one monitor installed on the panel. By notifying the abnormal condition of the bell / buzzer or the special sound selected by the manager, the manager can accurately recognize the status of the equipment related to the substation and can take the necessary measures accurately and quickly.

Second, it is possible to prevent the disappearance of the alarm contents due to the misoperation of the manager in advance, and if necessary, the alarm message of the corresponding equipment is transmitted by text message to the manager's mobile phone in a remote location, so that even if the manager is absent from the site, It is possible to quickly and accurately recognize the abnormality of the system and take action on the equipment.

Third, the output signal of the state change detection means installed in each substation-related facility is collectively inputted to the data input unit through RS-485 communication method, converted to A / D, and then transferred to the controller to display the corresponding information on the touch type LCD monitor. This can greatly reduce the amount of cables that are connected 1: 1 between the status change receiving means and the alarm means, as well as greatly reducing the panel size of the monitoring window and greatly reducing the installation space of the monitoring window. It is a very useful invention and can greatly reduce the installation cost of.

Claims (5)

State change detection means installed in various substation-related facilities and detecting a state change of each facility and transmitting the state change to a data input unit; A data input unit for receiving analog state information of various equipment input in real time from the state change detection means and transmitting the analog state information to an A / D converter; An A / D converter converting analog state information signals of various equipments transmitted through the data input unit into digital signals and transmitting the digital signal to the controller; A control unit which receives the status information signal for the various equipments inputted through the A / D converter and performs the overall control function of the system; Under the control of the control unit, the state information signal for various facilities is stored, and when requested by the user, the abnormal state information or history information on the corresponding facilities or the operation state aggregate information for all the facilities are output to the control unit. A state information storage unit for making it; A touch type LCD monitor for displaying various menus and data at the same time as displaying the status and abnormal information on various equipments under the control of the controller in a text or a table; An alarm sound selection unit for allowing a user to select a special sound corresponding to a warning or heavy field of the corresponding facility when an abnormal state occurs in various facilities; An alarm driver for driving an alarm with an alarm sound selected by the user through an alarm sound selection unit when an abnormal state occurs in a specific facility under control of the controller; Underwater alarm system of the substation, characterized in that by configuring the alarm to generate a ringtone, buzzer or special sound by distinguishing the high and low warning for the equipment under the control of the alarm drive unit. The method according to claim 1, The output unit of the control unit has a facility abnormality alarm system of a substation, characterized in that it further provided with an SMS module for sending a predetermined text message to the mobile phone of the administrator under the control of the control unit. The method according to claim 2, The output unit of the control unit is installed in the substation alarm system of the substation, characterized in that the control unit is installed in the watchdog unit (watchdog unit) to monitor the system control program and the communication state within the alarm. The method according to claim 1, When the controller receives the state change information signal for each of the facilities and recognizes the abnormal state information of the facility requiring emergency recovery and action, the controller displays this on the touch-type LCD monitor in advance of the other abnormal state information. An alarm system for a facility abnormality in a substation, wherein the alarm is controlled to generate an alarm sound corresponding to the abnormal information. The method according to claim 1, And the data input unit includes an RS-485 communication interface.

Images