JP2011172362A - Protection control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a protection control device that is configured such that an operation screen portion is not provided on a unit-by-unit basis but multiple units are quickly and accurately operated with one operation screen portion and that contributes to the enhancement of operability. <P>SOLUTION: An operating screen mechanism portion 102 having the operating screen portion 119 is provided as an operation screen-type HI (Human Interface). The operating screen mechanism portion 102 includes an operation data generation unit 105 for unit A, an operation data generation unit 106 for unit B, and an operation unit determination and storage unit 107. Information on the two units, unit A 120 and unit B 121, is displayed and operated via the one operation screen portion 119. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a protection control device including a plurality of units operated on an operation screen, and more particularly to a protection control device in which an operation screen unit for displaying and operating information on each unit is improved.

  At present, digital protection control devices are mainly used as protection control devices for power systems. In a digital protection control device, an electric quantity or state quantity of a power system is input and converted into a digital quantity, and a predetermined protection control calculation is performed using the digital quantity. The protection control device realizes system protection by controlling a circuit breaker or the like according to the obtained calculation result.

  The protection control device is configured as a fail-safe system from the viewpoint of ensuring reliability. For example, in the protection control apparatus shown in FIG. 10, two units A120 and B121 are mounted for one protection control target such as a collective unit and a divided unit.

  These units A120 and B121 are composed of separate hardware. Therefore, even if a malfunction such as a component failure occurs in one of the units, the other unit can operate appropriately. Therefore, the protection control device does not cause a malfunction and can exhibit excellent reliability (see Non-Patent Document 1).

  Generally, a human interface (hereinafter referred to as HI) is known as a main display and operation mode of a protection control device. The HI is responsible for providing an information environment that is easy to see and operate for the maintenance / operator of the protection control device.

  As a configuration of the HI, an operation screen method is mainly adopted. In this method, a screen display equipped with a flat display and a touch panel functioning as a display screen, or an input means such as a mouse or a keyboard is used instead of a display screen (see Non-Patent Document 2).

  In the protection control apparatus shown in FIG. 10, the operation screen unit A1 is attached to the unit A120, and the operation screen unit B1 is attached to the unit B121. The units A120 and B121 and the operation screen units A1 and B1 are connected by data transmission means. Display data containing the setting information and operation information of the units A and B is sent from the units A 120 and B 121 to the operation screens A 1 and B 1. In addition, operation data including various setting values and the like is sent from the operation screen portions A1 and B1 to the units A120 and B121.

  In such a protection control device, when the operation screen sections A1 and B1 receive an operation event performed by the maintenance / operator of the protection control device, display of setting information, operation information, and the like from each unit A120 and B121 according to the operation event. Data is acquired and display data is displayed.

  Further, when the maintenance / operator who has confirmed the display on the operation screen parts A1 and B1 executes some operation event, the operation screen parts A1 and B1 transmit operation data according to the operation event to each of the units A120 and B121. Accordingly, the units A120 and B121 can operate based on the operation data.

  Moreover, HI can be classified into local HI and remote HI from the place where the operation screen unit is installed. Among these, the local HI has an operation screen unit directly connected to the protection control device in the substation, and is used for detailed maintenance and operation work on site.

  On the other hand, in the remote HI, the operation screen unit is installed at the remote operation base. The remote operation base is a control station for monitoring and operating the protection control device from a remote location. Remote operation monitoring systems for protection control devices including remote operation bases have become widespread in recent years when the scale of the system tends to expand, and remote HI plays an important role in this system.

  Here, a conventional example of a remote operation monitoring system for the protection control device will be described with reference to FIG. As shown in FIG. 11, each protection control device in the substation is connected to a WAN (Wide Area Network) via a LAN (Local Area Network), an optical transceiver, an optical HUB in the control room, and a transmission device. . Further, the remote HI installed at the remote operation base is connected to the transmission apparatus via the LAN. Furthermore, the transmission device on the remote operation base side is connected to the WAN.

  In such a remote operation monitoring system, it is possible to connect a protection control device in a substation to a remote operation base via a WAN. For this reason, the status of the protection control device is displayed on the operation screen portion of the remote HI, and at the same time, operation data can be sent from the operation screen portion of the remote HI to the protection control device (see Non-Patent Document 3).

Protective relay system engineering P-16〜18 Construction of protective relay system (Established by) Electric Cooperative Research Group Electric Cooperative Research Vol.59 No.1 Development of Protection Relay System and Improvement of Maintenance Operation Efficiency P-197 Protective relay system engineering P-119〜121 Operation and maintenance function of digital relay

  By the way, as shown also in FIG. 10, when the protection control apparatus which employ | adopted the screen operation system has a several unit, the operation screen part is independently mounted per unit. That is, the protection control device has a plurality of operation screen units corresponding to the number of units.

  However, the maintenance / operator of the protection control device generally performs management of setting information, operation information, and the like not in units of units but in units of protection control devices. Therefore, the following problems exist due to the presence of a plurality of operation screen units in one protection control device.

  That is, when the maintenance / operator of the protection control device performs an operation event on the operation screen part, it is necessary to check which unit corresponds to the information that the maintenance / operator himself / herself handles. is there. The confirmation work at this time includes confirming which unit the information displayed on the operation screen is, and confirming a unit to be set when performing a setting value input operation.

  The maintenance / operator of the protection control device, after performing the above confirmation work, selects an operation screen section corresponding to each unit, and then performs screen connection work. In other words, every time the maintenance / operator tries to operate the protection control device, the maintenance / operator must perform the operation of checking the operation screen unit to be operated and the operation of connecting the operation screen unit. Took a long time. Since the operation of the protection control device is basically required to be quick and urgent, it has been requested to shorten the working time and improve the operability.

  In addition, with the development and expansion of the global intranet and the advancement of information transmission technology, it is now possible to handle a large amount of information at remote operation bases, combined with improvements in the functions of protection control devices. Yes. For this reason, it is particularly desired to improve the operability of the operation screen unit of the remote HI installed at the remote operation base.

  The present invention has been made to solve the above-described problem, and in a protection control device including a plurality of units, each unit is not provided with an operation screen unit for each unit, but a single operation screen unit. It is an object of the present invention to provide a protection control device that contributes to improvement in operability by quickly and accurately operating the.

  In order to achieve the above object, the present invention provides a protection control device including a plurality of units and an operation screen unit that receives an operation event performed by an operator and displays and operates information on each unit. Based on data transmission means for exchanging data between operation screen units, unit determination means for determining the unit that is the target of the operation event according to the operation event, the determination result of the unit determination means, and the operation event Operation data creating means for creating operation data.

  In the protection control device of the present invention, the unit determination unit automatically determines the unit to be operated according to the operation event performed by the operator, and the operation data creation unit operates the operation data based on the determination result of the unit determination unit and the operation event. This makes it possible to use a common operation screen for multiple units, so that the operator does not need to check which unit the information handled corresponds to, and omits screen connection operations. Therefore, the operability is greatly improved.

1 is a block diagram of a first embodiment according to the present invention. Explanatory drawing which shows the operation example of 1st Embodiment. The block diagram of 2nd Embodiment which concerns on this invention. Explanatory drawing which shows the operation example of 2nd Embodiment. Explanatory drawing which shows the operation example of embodiment which combined 1st and 2nd embodiment which concerns on this invention. Explanatory drawing of the data content in 3rd Embodiment which concerns on this invention. Explanatory drawing which shows the example of operation of 3rd Embodiment. The block diagram of 4th Embodiment which concerns on this invention. Explanatory drawing which shows the operation example of 4th Embodiment. The block diagram of the conventional protection control apparatus. The block diagram of the remote operation | use monitoring system with respect to the conventional protection control apparatus.

(1) First Embodiment [Configuration]
Hereinafter, an example of an embodiment of a protection control device according to the present invention will be specifically described with reference to the drawings. FIG. 1 is a block diagram showing the overall configuration of the first embodiment according to the present invention.

  As shown in FIG. 1, in the first embodiment, two units A120 and B121 are mounted on one protection control device to realize a fail-safe system. An operation screen mechanism unit 102 having a screen unit 119 is provided. In FIG. 1, reference numeral 103 denotes an operator of the protection control device, and 112 denotes an operation event displayed on the operation screen unit 119.

  In the first embodiment, the operation screen mechanism unit 102 performs information display and operation of the two units A 120 and B 121 with a single operation screen unit 119. The operation screen mechanism unit 102, which is an HI, is provided with a unit A operation data creation unit 105, a unit B operation data creation unit 106, and an operation unit determination / storage unit 107 as functional blocks. It is connected to the screen unit 119.

  Of these, the operation unit determination / storage unit 107 is a characteristic part of the first embodiment, and in accordance with the operation event 112 selected by the operator 103, is the unit subject to the operation event 112 the unit A120? Or the unit B121, and the determination result is stored as a target unit selection data 113 in a predetermined storage area.

  There are the following four patterns of the target unit selection data 113 based on the operation event 112. That is, there is no unit to be operated “no unit A / no unit B”, the unit to be operated is only unit A120 “with unit A / no unit B”, and the unit to be operated is only unit B121. There are four patterns of “without unit A / with unit B” and “unit A / with unit B”, where the unit to be operated is both unit A 120 and unit B 121.

  The operation data creation units 105 and 106 are parts for creating operation data 114 and 115 for the unit A 120 and B 121 based on the operation event 112. The operation data creation units 105 and 106 are configured to send the created operation data 114 and 115 to the units A 120 and B 121, respectively, via data transmission means.

  More specifically, the unit A operation data creation unit 105 does not operate when the target unit selection data 113 includes “no unit A”. If the target unit selection data 113 includes “unit A present”, the unit A operation data creation unit 105 creates operation data 114 based on the operation event 112 and transmits the operation data 114 to the unit A 120.

  On the other hand, the unit B operation data creation unit 106 does not operate when the target unit selection data 113 includes “no unit B”, and if the target unit selection data 113 includes “unit B present”, the operation event 112 is performed. The operation data 115 is created from and transmitted to the unit B121.

[Operation Example of First Embodiment]
A specific operation example of the first embodiment as described above will be described with reference to FIG. While the operation screen unit 119 is displaying the display screen shown in FIG. 2, the operator 103 performs an operation of “setting relay (collective)” (set value operation to the unit A 120) displayed on the operation screen 119. It is assumed that the event 112 is selected ((1) in FIG. 2).

  The operation unit determination unit 107 determines that the unit to be operated is “collective (unit)” (unit A) according to the operation event 112, and stores the target unit selection data 113 reflecting the determination result in a predetermined storage. Store in the area ((2) in FIG. 2).

  Subsequently, the operator 103 selects “setting start” displayed on the operation screen 119, and further selects an element to be set ((3) in FIG. 2). The operator 103 inputs a desired new set value using a numeric keypad or the like in the new set value column of the selected element ((4) in FIG. 2). After inputting the new set value, the operator 103 selects “write” displayed on the operation screen 119 ((5) in FIG. 2).

  When the operator 103 performs these series of operations correctly, the unit A operation data creation unit 105 stores the new set value ((6) in FIG. 2) input by the operator 103 and the storage of the operation unit determination unit 107. The operation unit information ((7) in FIG. 2) that the content, that is, the operation target is the unit A 120 is fetched.

  The unit A operation data creation unit 105 creates the operation data 114 for the unit A 120 based on the acquired information, and transmits the created operation data 114 to the unit A 120 ((8) in FIG. 2). When the operation event 112 is an operation for the unit B 121, the operation is performed on the unit B 121 by performing the same operation using the operation screen unit 119 of the operation screen mechanism unit 102 instead of the operation screen unit dedicated to the unit B 121. Data 115 can be transmitted.

[Function and effect]
The operational effects of the first embodiment are as follows. Even if the protection control device has two units A120 and B121, the operator 103 transmits the operation data 114 and 115 individually for the units A120 and B121 only by performing the operation event 112 by using one operation screen unit 119. can do.

  Therefore, the operator 103 does not need to select or operate the operation screen unit 119 corresponding to the units A 120 and B 121 while considering the contents of the operation event 112. That is, setting and display information confirmation work becomes unnecessary, and screen connection work can be omitted.

  Thereby, the two units A120 and B121 can be operated quickly and accurately by one operation screen unit 119, and the operation burden on the operator 103 can be reduced. Therefore, the working time for the units A120 and B121 can be shortened, and the operability of the operation screen unit 119 is improved.

(2) Second Embodiment [Configuration]
Next, a second embodiment according to the present invention will be described with reference to FIG. FIG. 3 is an overall configuration diagram showing the second embodiment. Note that in the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

  As shown in FIG. 3, display data creation units 104 and 108 are installed on the units A 120 and B 121 side. Display data creation units 104 and 108 create display data 116 and 117 in units A 120 and B 121, respectively, and transmit these data 116 and 117 to display data composition unit 110 provided on the operation screen mechanism unit 102 side. It is.

  A feature of the second embodiment is that a display data synthesizing unit 110 is provided on the operation screen mechanism unit 102 side. The display data synthesis unit 110 receives the target unit selection data 113 determined by the operation unit determination unit 107 and, based on the state of the target unit selection data 113, displays the display data 116 and 117 from the units A 120 and B 121 side. The following processing is performed.

  That is, when receiving the target unit selection data 113 including “no unit B”, the display data synthesizing unit 110 synthesizes only the display data 116 from the unit A 120 without synthesizing the display data 116 and 117. Process to send to.

  Further, when receiving the target unit selection data 113 of “No unit A”, the display data combining unit 110 transmits only the display data 117 from the unit B 121 to the operation screen unit 119 without combining the display data 116 and 117. It is like that.

  Further, when the target unit selection data 113 to be acquired is “with unit A / with unit B”, the display data synthesizing unit 110 displays the display data 116 from the unit A and the display data 117 from the unit B. Is performed, and the combined data is sent to the operation screen unit 119.

  Then, the operation screen unit 119 displays the display data 118 for the operator 103 according to the display data 116 or 117 received from the display data combining unit 110 or the combined data of both.

[Operation Example of Second Embodiment]
A specific operation example in the second embodiment will be described with reference to FIG. In the display state of the operation screen unit 119 shown in FIG. 4, the selection of the operation event 112 by the operator 103 and the target unit by the operation unit determination unit 107 are the same as the operations of (1) and (2) shown in FIG. The selection data 113 is stored ((1) and (2) in FIG. 4).

  Here, on the unit A 120 side, the “operation value”, which is the setting value used at that time in the unit, is created as the display data 116 by the display data creation unit 104 and displayed on the operation screen mechanism unit 102 side. It transmits to the data composition unit 110. The display data synthesizing unit 110 receives the “operation value” of the unit A 120 ((3) in FIG. 4), and also stores the operation unit information that the operation unit determination unit 107 stores, that is, the operation target is the unit A 120. Capture ((4) in FIG. 4).

  Therefore, the display data synthesizing unit 110 displays the “operation value” display data 118 of the unit A 120 in a predetermined column of the operation screen unit 119 ((5) in FIG. 4). In this way, the operator 103 can check the display data 118 on the operation screen unit 119. In the case of the unit B 121, the display data 117 is received and the display data 118 is displayed by the same operation as described above.

[Function and effect]
According to the second embodiment as described above, the display data 116 and 117 from the units A 120 and B 121 can be displayed using one operation screen unit 119. Therefore, the operator 103 does not need to operate each of the units A 120 and B 121 individually, and troublesome switching of the screen connection operation is unnecessary. Thereby, it is possible to quickly and accurately confirm the states of the units A120 and B121 with only a single operation screen unit 119, and excellent operability can be exhibited.

[Operation Example of Embodiment Combining First and Second Embodiments]
As an application example of the second embodiment, an operation example of the embodiment when the configuration of the first embodiment is added to the configuration of the second embodiment will be specifically described with reference to FIG.

  In this embodiment, when the status display frame 119c is displayed on the operation screen unit 119, the screen selection frame 119a and the work frame 119b are divided and displayed on the left and right. The screen selection frame 119a has a function of displaying a screen corresponding to the item on the work frame 119b side when the operator 103 selects the displayed item.

  Now, items of “current time setting (unit A)”, “current time setting (unit B)”, and “current time setting (all units)” are presented as operation events 112 in the screen selection frame 119a. Suppose ((1) Current time setting operation in FIG. 5). Here, for the purpose of setting the current time of the unit A 120, the operator 103 selects the operation event 112 “current time setting (unit A)” in the screen selection frame 119a ((2) unit A in FIG. 5). ).

  The operation unit determination unit 107 determines that the unit to be operated is the unit A 120 according to the operation event 112. As a result, the target unit selection data 113 has a pattern of “with unit A / without unit B”, and the target unit selection data 113 is stored in a predetermined storage area. Therefore, the operation screen mechanism unit 102 transmits a request for the display data 116 to the unit A 120.

  The display data creation unit 104 on the unit A 120 side creates display data 116 relating to the current time of the unit A 120 and transmits the created display data 116 to the work frame 119 b on the operation screen unit 119 side. Therefore, the work frame 119b receives the display data 116, and the operation screen unit 119 displays it as the display data 118. When the operator 103 confirming the display data 118 on the operation screen unit 119 performs an input operation of the current time, the unit A operation data creation unit 105 creates operation data 114 corresponding to the operation, and this is stored in the unit A 120. Send to.

  The same applies when the operator 103 aims to set the current time of the unit B 121 (when (3) unit B in FIG. 5 is selected). That is, when the operation event 112 of “current time setting (unit B)” is selected in the screen selection frame 119a, the operation unit determination unit 107 determines that the operation target unit is the unit B121, and “no unit A / unit B exists”. The target unit selection data 113 is stored. Then, the operation screen mechanism unit 102 transmits a request for display data 117 to the unit B 121.

  When the display data creation unit 108 on the unit B 121 side creates display data 117 related to the current time of the unit B 121 and transmits this display data 117 to the work frame 119 b on the operation screen unit 119 side, the work frame 119 b receives the display data 117. The operation screen unit 119 displays the display data 118. When the operator 103 confirming the display data 118 on the operation screen unit 119 performs an input operation of the current time, the unit B operation data creation unit 106 creates operation data 115 corresponding to the input operation, To B121.

  Further, a case where the operator 103 selects the operation event 112 of “current time setting (all units)” in the screen selection frame for the purpose of setting the current time of all units will be described ((4) All units in FIG. 5). ). That is, according to this, the operation unit determination unit 107 determines that the operation target is both the units A 120 and B 121, and stores a pattern of “unit A present / unit B present”.

  At this time, the operation screen mechanism unit 102 transmits a request for the display data 116 to the unit A 120. However, the request for the display data 117 to the unit B 121 is suppressed when the target unit selection data 113 is “with unit A”.

  The display data creation unit 104 on the unit A 120 side creates display data 116 and transmits the display data 116 to the work frame 119 b on the operation screen unit 119 side. Thereby, the work frame 119b receives the display data 116, and the operation screen unit 119 displays the display data 118.

  When the operator 103 performs an appropriate operation on the display of the display data 118 by the operation screen unit 119, the operation data creation units 105 and 106 create operation data 114 and 115, respectively, and these operation data are stored in the units A 120 and B121. 114 and 115 are transmitted. Through the operation process as described above, the purpose of screen display intended by the operator 103 can be achieved by the single operation screen unit 119.

(3) Third Embodiment [Configuration]
Next, a third embodiment according to the present invention will be described with reference to FIG. The third embodiment is characterized in that elements serving as keys for data composition processing in the display data composition unit 110 are limited. FIG. 6 is an explanatory diagram of data contents in the third embodiment. Note that in the third embodiment, identical symbols are assigned to configurations identical to those in the first and second embodiments, and duplicate descriptions are omitted.

  The display data 116 and 117 of the unit A 120 and the unit B 121 are composed of a plurality of records. In the example shown in FIG. 6, the display data 116 and 117 have three records. Each record has a common structure composed of a comparable element 401 and display content 402.

  The comparable element 401 is an element that can determine the size or the context of the elements, and here, is a date and time (including up to a second) at which the temporal context can be determined. On the other hand, in the display content 402, the names of specific operation elements are indicated by character strings.

  The display data synthesizing unit 110 receives the display data 116 and the display data 117 from the unit A 120 and the unit B 121, and creates the synthesized data 111 by performing the data synthesizing process described below. First, the display data synthesizing unit 110 receives the display data 116 and 117 from the unit A 120 and the unit B 121, respectively, while a certain screen is displayed on the operation screen unit 119.

  At this time, the display data 116 and 117 include a comparable element 401 that is a date and time, and a display content 402 that occurred at that date and time. Therefore, the display data synthesizing unit 110 compares the latest dates and times of the units A 120 and B 121, that is, the latest comparable elements 401 included in the display data 116 and 117.

  If the compared date and time are the same or the difference in date and time is within 2 seconds, the display data synthesizing unit 110 regards the two comparable elements 401 as the same. Therefore, the display data synthesizing unit 110 merges the two and adds them to the synthesized content to create synthesized data 111.

  For example, in FIG. 6, in the display data 116 and 117, the comparable elements 401 of “12:34:56” and “12:34:26” are the same. Therefore, the display data combining unit 110 merges the display contents of the display data 116 and 117 and displays the display contents 403 of the unit A 120 and the display contents of the unit B 1201 as the display contents corresponding to “12:34:56”. 404 is added (both display contents 403 and 404 are 87C).

  As the display content corresponding to the comparable element 401 of “12:34:26”, the display data synthesis unit 110 displays 87A and 87B as the display content 403 of the unit A120 on the upper side of the display content in FIG. , 87C, and 87A, 87C are added as the display contents 404 of the unit B 121 on the lower side.

  Furthermore, when the comparable element 401 indicating the date and time of the display data 116 and 117 is significantly different from 2 seconds, the display data synthesizing unit 110 uses the newer display data 116 and 117 as the synthesized content. to add. The display data 116 and 117 added to the composite content are deleted from the original received content.

  By repeating the processing as described above, the display data composition unit 110 adds composition content and creates composite data 111. As a result, the operation screen unit 119 displays the display data 118 based on the composite data 111.

[Operation Example of Third Embodiment]
An operation example of the third embodiment will be described with reference to FIG. FIG. 7 shows an example of a form in which the display data 116 and 117 are combined by the display data combining unit 110 when the unit selection data 113 is “with unit A / with unit B”.

  The display data synthesizing unit 110 performs the following processing on each record of the unit A 120 and each record of the unit B 121, so that the comparable element 401, the display content 403 of the unit A 120, and the display content of the unit B 121 are displayed. The record is composed of 404 records.

(A) With composition processing It is assumed that there is a comparable element 401 in the records of units A120 and B121 that can be regarded as equal or equivalent (in FIG. 7, 11:52:12 on Oct. 22, 2008). .

  In this case, the display data synthesizing unit 110 copies the comparable element 401 in the synthesized content from the comparable element 401 in the record of the unit A120. Further, the display content 403 of the unit A120 in the composite content is copied from the display content 402 of the record of the unit A120 (B87S-1 in FIG. 7). Further, the display content 404 of the unit B 121 in the composite content is copied from the display content 402 of the record of the unit B 121 (87SA-1 in FIG. 7).

(B) No compositing process It is assumed that there is no comparable element 401 in the records of the units A 120 and B 121, both of which can be regarded as equal or equivalent, and only the comparable element 401 of one unit exists.

  For example, when only the comparable element 401 of the record of the unit A 120 exists (in FIG. 7, March 31, 2008, 18:50:46), the display data composition unit 110 compares the comparable element 401 in the composition content. Is copied from the comparable element 401 of the record of unit A120. Further, the display content 403 of the unit A120 in the composite content is copied from the display content 402 of the record of the unit A120 (B87S-2 in FIG. 7), and the display content 404 of the unit B in the composite content is empty.

  On the other hand, when only the comparable element 401 of the record of the unit B121 exists, the display data combining unit 110 copies the comparable element 401 in the combined contents from the comparable element 401 of the record of the unit B121, and combines the combined contents. The display content 404 of the unit B121 in the middle is copied from the display content 402 of the record of the unit B121, and the display content 403 of the unit A in the composite content is empty.

  In the third embodiment in which the above composition processing is performed, if the comparable elements 401 are equivalent such that the date and time in the display data 116 and 117 are equal or the difference in date and time is within 2 seconds, the display data 116 is displayed. After the records 117 are combined, the display data 118 is displayed on the operation screen unit 119.

[Function and effect]
According to the third embodiment, the operator 103 displays the display data 116 and 117 from the plurality of units A 120 and B 121 by displaying the display data 118 including the synthesized records on the operation screen unit 119. This can be confirmed using one appropriate operation screen unit 119.

  Moreover, in the third embodiment, when the display data 116 and 117 are combined, the comparable element 401 that can determine the magnitude or the context is used as a key element, so whether or not the two display data 116 and 117 are in an equivalent state. Can be accurately determined, and excellent reliability can be exhibited.

(4) Fourth Embodiment [Configuration]
Furthermore, a fourth embodiment according to the present invention will be described with reference to FIG. FIG. 8 shows an overall configuration diagram of the fourth embodiment. In addition, the same structure as the said 1st and 2nd embodiment attaches | subjects the same code | symbol, and the overlapping description is abbreviate | omitted.

  As shown in FIG. 8, the feature of the fourth embodiment is that the display data composition unit 501 is provided not in the operation screen mechanism unit 102 but in the unit A 120, and the operation event 112 performed by the operator 103 is further displayed. The operation screen mechanism unit 102 is configured to relay the unit A120 to the unit B121.

  In the display data creation unit 104 in the unit A 120, display data 502 is created according to the operation event 112 received from the operation screen mechanism unit 102. Similarly, the display data creation unit 108 in the unit B 121 creates display data 503 according to the operation event 112 received from the operation screen mechanism unit 102 via the unit A 120. The display data 502 and 503 are transmitted to the display data composition unit 501 in the unit A120.

  The display data composition unit 501 provided on the unit A 120 side creates composite data 111 from the display data 502 of the unit A 120 and the display data 503 received from the unit B 121 by the processing described below, and the operation screen of the operation screen mechanism unit 102. It is configured to transmit to the unit 119. In the operation screen unit 119, display 118 is performed for the operator 103 based on the composite data 111.

[Operation Example of Fourth Embodiment]
FIG. 9 shows an operation example of the fourth embodiment. In FIG. 9, unit A120 is provided with a batch-side HCU (Human Interface Control Unit), unit B121 is provided with a split-side HCU, and a display data combining unit 501 is installed in the batch-side HCU on the unit A120 side.

  The collective HCU and the split HCU are provided with a power backup RAM which is a non-volatile storage device. This RAM is a part constituting the display data creation units 104 and 108, and stores operation content data to be displayed, that is, display data 502 and 503.

  In accordance with the operation event performed by the operator 103, the collective HCU reads the display data 502 from the power backup RAM and sends it to the display data combining unit 501. Similarly, the division side HCU also reads the display data 503 from the power backup RAM and transmits the read display data 503 to the display data synthesis unit 501 in the batch side HCU.

  The display data composition unit 501 merges the display data 502 read from the RAM of the batch-side HCU and the display data 503 received from the division-side HCU in the newest order to create composite data 111, and transmits this to the operation screen unit 119. To do. For example, RS-232C is adopted as a data communication method when the display data 503 is transmitted from the division side HCU to the batch side HCU.

[Function and effect]
According to the fourth embodiment as described above, the functions and effects of the first to third embodiments described above can be exhibited, and at the same time, the following unique functions and effects can be obtained. That is, in the fourth embodiment, the display data composition unit 501 is provided not in the operation screen mechanism unit 102 but in the unit A 120, so that the processing burden on the operation screen mechanism unit 102 can be reduced. Therefore, it is suitable when the operation screen mechanism unit 102 is installed at a remote operation base that handles a large amount of information, and can contribute to improving the reliability of the protection control device.

(5) Other Embodiments The present invention is not limited to the above embodiment, and the number of units constituting the apparatus and the numerical values in the display data can be changed as appropriate. In addition, in the display data record in the unit, the elements for synthesizing the data are not limited to the date and time, and any element can be selected as long as it is an element that can determine the size or the context between elements using appropriate comparison logic. It is.

  Further, as a modification of the fourth embodiment, the display data combining unit 501 is provided not on the unit A 120 side but on the unit B 121 side, and the display data 503 from the unit A 120 is added to the display data combining unit 501 on the unit B 121 side. You may comprise so that it may send.

102 ... Operation screen mechanism unit 103 ... Operator 104, 108 ... Display data creation unit 105 ... Operation data creation unit for unit A 106 ... Operation data creation unit for unit B 107 ... Operation unit determination unit 110, 501 ... Display data synthesis unit 111 ... Composite data 112 ... Operation event 113 ... Target unit selection data 114, 115 ... Operation data 116, 117, 118, 502, 503 ... Display data 119 ... Operation screen unit 120 ... Unit A
121 ... Unit B
401 ... Comparable element 402 ... Display content 403 ... Display content of unit A 404 ... Display content of unit B

Claims (4)

In a protection control device having a plurality of units and an operation screen unit that receives an operation event performed by an operator and performs information display and operation of each unit,
Data transmission means for exchanging data between the unit and the operation screen unit;
Unit determination means for determining the unit that is the target of the operation event according to the operation event;
A protection control device comprising: operation data creation means for creating operation data based on a determination result of the unit determination means and the operation event. In a protection control device having a plurality of units and an operation screen unit that receives an operation event performed by an operator and performs information display and operation of each unit,
Data transmission means for exchanging data between the unit and the operation screen unit;
Unit determination means for determining the unit that is the target of the operation event according to the operation event;
A protection control apparatus comprising: data combining means for combining data received from the unit by the data transmission means.   The data synthesizing unit is configured to perform a data synthesizing process on a comparable element that can be compared in size or in context and a display content accompanying the comparable element by using the comparable element as a key. Item 3. The protection control device according to Item 2. A data transmission means for transmitting and receiving data between the plurality of units is provided,
4. The protection control apparatus according to claim 2, wherein the data synthesizing unit is installed in one of the units.

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