CN113568961A - Curve generation method and equipment for selecting measuring points through time marks and integrating alarm information - Google Patents
Curve generation method and equipment for selecting measuring points through time marks and integrating alarm information Download PDFInfo
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Abstract
The invention provides a curve generation method and equipment for selecting measuring points through time marks and integrating alarm information, wherein required measuring point retrieval conditions are set in a measuring point custom retrieval interface, attribute information and measuring point data of drawn measuring points obtained in historical database access are limited by setting the measuring point retrieval conditions, then an interface is added to the measuring points to select the names of the measuring points to be drawn, and the attribute information and the data of the measuring points are obtained from the historical database in a data proxy mode; the curve drawing efficiency is improved by drawing different types of measuring points obtained in the historical database according to different styles, and the dead pixel display style is set on the curve, so that the specific position of the dead pixel on the curve can be observed conveniently; in the process of drawing the curve of the measuring point, the invention displays the alarm information generated by the measuring point in the interval by accessing the alarm database, realizes the function of directly skipping the alarm information and is convenient for operators to quickly position the measuring point alarm information.
Description
Technical Field
The invention belongs to the processing of DCS transmission data, mainly relates to the field of visualization display of power plant operation data, and particularly relates to a curve generation method and equipment for selecting measuring points through time scales and integrating alarm information.
Background
In a Distributed Control System (DCS), measuring point curves are usually drawn by means of trend software, while the existing trend software can only draw and display measuring point data in a certain time interval and cannot draw and position alarm information possibly generated by measuring points in the interval; therefore, whether the measuring point generates the alarm information in the period of time cannot be judged through the measuring point curve drawn by the existing trend software, and if the measuring point generates the alarm information in the period of time in the process of processing the electric digital data, the alarm software is required to search to determine whether the alarm occurs in the period of time, so that the working efficiency is greatly reduced.
Disclosure of Invention
The invention provides a curve generation method and equipment for selecting measuring points and integrating alarm information, aiming at the problem that the alarm information possibly generated by the measuring points in an interval can not be drawn and positioned in curve drawing in the prior art.
The invention is realized by the following technical scheme:
a curve generation method for selecting measuring points through time scales and integrating alarm information comprises the following steps:
inputting a measuring point retrieval condition in a measuring point self-defining retrieval interface, and limiting attribute information and measuring point data which can be obtained by drawing a measuring point in historical database access through the measuring point retrieval condition;
selecting a measuring point name to be drawn on a measuring point adding interface, and acquiring attribute information and measuring point data of a measuring point which is limited correspondingly to the measuring point name from a historical database in a data proxy mode;
measuring point types of measuring point names of attribute information of the measuring points acquired from the historical database are judged, and curve drawing is carried out on the measuring point data of the acquired measuring point names according to different drawing styles according to the judgment results to obtain curve shapes;
setting a display style for the obtained curve, carrying out dead pixel display on the curve within the starting time and the ending time of a historical interval, inputting the measuring point name into a data agent access alarm library to judge attribute information of a measuring point corresponding to the measuring point name and whether alarm information exists in the measuring point data in the alarm library; when the data agent accesses the measuring point in the alarm library and has alarm information, positioning whether the alarm information is in the starting and stopping time set by the user; when the measuring point generates alarm information within the starting and stopping time set by the user, the specific position of the measuring point in the drawn curve can be positioned in the process of drawing the curve, the alarm information of the measuring point at the moment is displayed above the position, and if the measuring point does not generate alarm information within the starting and stopping time set by the user, the drawing is finished; and when the data agent accesses the sampling measuring point in the alarm library, the alarm information does not exist, and the drawing is finished.
Preferably, the survey point search condition includes history interval start and stop time, sampling interval, and statistical type information.
Preferably, before the measuring point adding interface selects the measuring point to be drawn, a curve drawing interface display style can be set on the curve editing interface in the initial drawing area, wherein the curve drawing interface display style comprises a time axis display format, a curve refreshing period, a drawing panel background color and the number of Y-axis grids.
Preferably, the data proxy mode is as follows:
and after receiving the parameters, the historical database access interface acquires attribute information and measuring point data of the measuring point defined by the measuring point name from the historical database in a static proxy mode.
Preferably, the attribute information acquired by sampling the measuring point includes the measuring point OID, the measuring point type, the bit, the real-time value, the upper and lower limits of the measuring range, the value type and the data quality bit.
Preferably, the measuring point type judgment is carried out on the attribute information of the measuring point name acquired from the historical database, wherein the measuring point type comprises switching value and analog quantity;
when the type of the measuring point is the switching value, adding an offset to the switching value at each moment, and drawing the curve style according to the ladder shape, so that the layered tiled display effect of all the switching value on the drawing interface is realized;
when the measuring point type is analog quantity, judging whether the measuring point is a packaging point or not according to measuring point Bit information obtained from a historical database, and simultaneously, performing Bit conversion or not;
when the Bit value =0, the measuring point is a normal analog quantity point and is a non-packing point, so that Bit conversion is not performed, the drawn curve value is a real-time value of the measuring point, and the curve is drawn according to a linear style;
and when the Bit value is more than 0 and less than or equal to 31, the measuring point is a packing point, Bit conversion is carried out on the real-time value of the measuring point, the drawn curve value is the Bit value after conversion of the real-time value of the measuring point, and the curve is drawn according to a step-shaped style.
Preferably, the dead pixel is abnormal data of the obtained measuring point, wherein the abnormal data of the measuring point comprises a measuring point value after the measuring point is subjected to forced operation or data loss at a certain time; the dead pixel is judged by a data quality bit obtained from a historical database, and when the data quality is not equal to 0, the value corresponding to the moment of the measured point is the dead pixel.
A computer device, comprising a memory, a processor and a computer program stored in the memory and operable on the processor, wherein the processor implements the steps of the curve generation method for selecting a measuring point by time scale and integrating warning information when executing the computer program.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a curve generation method for selecting measuring points through time marks and integrating alarm information, which comprises the steps of firstly setting required measuring point retrieval conditions in a measuring point custom retrieval interface, limiting attribute information and measuring point data of drawn measuring points obtained in historical database access by setting the measuring point retrieval conditions, then adding an interface to the measuring points to select names of the measuring points to be drawn, and acquiring the attribute information and the data of the measuring points from the historical database in a data proxy mode; the user can edit the display style of the curve drawing interface, the colors of the drawn curve can be conveniently distinguished, so that the user can observe the curve, different types of measuring points obtained in historical database visits are drawn according to different styles, the curve drawing efficiency is improved, the dead pixel display style is set on the curve, and the specific position of the dead pixel on the curve can be conveniently observed; in the process of drawing a curve for the measuring point, the invention simultaneously displays the alarm information generated by the measuring point in the interval by accessing the alarm database, realizes the function of directly skipping the alarm information and is convenient for operators to quickly position the alarm information of the measuring point.
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FIG. 1 is a flow chart of a curve generation method for selecting measuring points and integrating alarm information according to time scales in the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, in an embodiment of the present invention, a curve generating method for selecting a measurement point through a time scale and integrating alarm information is provided, and is used to display alarm information generated by the measurement point in a section by accessing an alarm database during a process of drawing a curve for the measurement point, and implement a function of directly skipping the alarm information, so as to facilitate an operator to quickly locate the measurement point alarm information.
Specifically, the curve generation method for selecting the measuring points and integrating the alarm information through the time scale specifically comprises the following steps:
inputting a measuring point retrieval condition in a measuring point self-defining retrieval interface, and limiting attribute information and measuring point data which can be obtained by drawing a measuring point in historical database access through the measuring point retrieval condition;
selecting a measuring point name to be drawn on a measuring point adding interface, and acquiring attribute information and measuring point data of a measuring point which is limited correspondingly to the measuring point name from a historical database in a data proxy mode;
measuring point types of measuring point names of attribute information of the measuring points acquired from the historical database are judged, and curve drawing is carried out on the measuring point data of the acquired measuring point names according to different drawing styles according to the judgment results to obtain curve shapes;
setting a display style for the obtained curve, carrying out dead pixel display on the curve within the starting time and the ending time of a historical interval, inputting the measuring point name into a data agent access alarm library to judge attribute information of a measuring point corresponding to the measuring point name and whether alarm information exists in the measuring point data in the alarm library; when the data agent accesses the measuring point in the alarm library and has alarm information, positioning whether the alarm information is in the starting and stopping time set by the user; when the measuring point generates alarm information within the starting and stopping time set by the user, the specific position of the measuring point in the drawn curve can be positioned in the process of drawing the curve, and the alarm information of the measuring point at the moment is displayed above the position; if the measuring point does not generate alarm information within the starting and stopping time set by the user, finishing the drawing; when the data agent accesses the sampling measuring point in the alarm library, no alarm information exists, and the drawing is finished;
therefore, the function of directly and quickly positioning the alarm information of the measuring point is realized while drawing a curve for the measuring point.
Specifically, the measuring point search condition comprises historical interval start-stop time, sampling interval and statistical type information, a user sets a measuring point search condition (database access condition) on a measuring point custom search interface, and attribute information and measuring point data obtained by drawing a measuring point are limited in the database access through the measuring point search condition.
Specifically, before the measuring point adding interface selects the measuring point to be drawn, a curve drawing interface display style can be set on the curve editing interface in the initial drawing area, wherein the curve drawing interface display style comprises a time axis display format, a curve refreshing period, a drawing panel background color and the number of Y-axis grids.
The display format of the time axis determines the display mode of the time axis of the drawing area, for example, the format of YY-MM-DD hh MM: ss can display the time axis according to the time, the month, the day, the hour, the minute and the second;
the curve refresh period determines how often the drawn curve is refreshed at intervals;
the background color of the drawing panel is mainly used for distinguishing the color of a drawn curve from the background color of the drawing panel;
the number of the Y-axis grids is mainly convenient for a user to observe the curve.
Specifically, the data proxy mode is as follows:
and after receiving the parameters, the historical database access interface acquires attribute information and measuring point data of the measuring point defined by the measuring point name from the historical database in a static proxy mode.
The static agent mode is that one interface of an agent object only serves one type of object, and the historical database access interface only serves one parameter which is a character string corresponding to a measuring point name.
Specifically, the attribute information of the sampling measuring point includes a measuring point OID, a measuring point type, a bit, a real-time value, an upper and lower range limit, a value type and a data quality bit.
Wherein, the OID is the abbreviation of object identifier, meaning the object identifier, and the OID is used for indicating the uniqueness of the measuring point in the database;
the bit is used for distinguishing whether the measuring point is a packing point;
the upper and lower limits of the measuring range are used for drawing the coordinate axis of the measuring point curve;
the measuring point types mainly comprise a switching value and an analog value;
the value type specifies the precision of the point measurement value;
the data quality bit is used for judging whether the value at a certain moment of the measuring point is a bad point or not.
Specifically, the coordinate axis is drawn through the upper limit and the lower limit of the measuring point measuring range in curve drawing, wherein the coordinate axis can dynamically change the upper limit and the lower limit of a coordinate axis system according to the upper limit and the lower limit of the measuring point measuring range.
Specifically, measuring point type judgment is carried out on attribute information of measuring points of the obtained measuring point names in a historical database, wherein the measuring point types comprise switching values and analog values;
when the measuring points are switching values, adding an offset to the switching measuring points at each moment, and drawing the curve style according to the ladder shape, so that the layered tiled display effect of all the switching measuring points on the drawing interface is realized;
when the measuring point is an analog quantity, judging whether the measuring point is a packaging point or not according to Bit information of the measuring point obtained from a historical database, and simultaneously, performing Bit conversion or not;
when the Bit value =0, the measuring point is a normal analog quantity point and is a non-packing point, so that Bit conversion is not performed, the drawn curve value is a real-time value of the measuring point, and the curve is drawn according to a linear style;
and when the Bit value is more than 0 and less than or equal to 31, the measuring point is a packing point, Bit conversion is carried out on the real-time value of the measuring point, the drawn curve value is the Bit value after conversion of the real-time value of the measuring point, and the curve is drawn according to a step-shaped style.
Specifically, the curve setting display style is a filling style of the curve, including curve thickening and curve highlighting, so that a user can conveniently observe a plurality of curves in the drawing area.
Specifically, the dead pixel is abnormal data of the obtained measuring point, wherein the abnormal data of the measuring point comprises a measuring point value after the measuring point is subjected to forced operation or data loss at a certain time; the dead pixel is judged by a data quality bit obtained from a historical database, and when the data quality is not equal to 0, the value corresponding to the moment of the measured point is the dead pixel.
In summary, a curve generation method for selecting a measuring point through a time scale and integrating alarm information includes the steps of firstly setting a required measuring point retrieval condition in a measuring point custom retrieval interface, limiting attribute information and measuring point data of a drawn measuring point obtained in historical database access through the measuring point retrieval condition, then adding an interface in the measuring point to select a name of the measuring point to be drawn, and acquiring the attribute information and the data of the measuring point from the historical database through a data agent mode; the user can edit the display style of the curve drawing interface, the colors of the drawn curve can be conveniently distinguished, so that the user can observe the curve, different measuring points obtained in historical database visits are drawn according to different styles, the curve drawing efficiency is improved, the dead pixel display style is arranged on the curve, and the specific position of the dead pixel on the curve can be conveniently observed; in the process of drawing a curve for the measuring point, the invention simultaneously displays the alarm information generated by the measuring point in the interval by accessing the alarm database, realizes the function of directly skipping the alarm information and is convenient for operators to quickly position the alarm information of the measuring point.
The following are embodiments of the apparatus of the present invention that may be used to perform embodiments of the method of the present invention. For details not disclosed in the device embodiments, reference is made to the method embodiments of the invention.
In yet another embodiment of the present invention, a computer device is provided, comprising a memory for storing a computer program, a processor, and a computer program stored in the memory and executable on the processor, the computer program comprising program instructions, the processor for executing the program instructions stored by the computer storage medium. The Processor may be a Central Processing Unit (CPU), or may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable gate array (FPGA) or other Programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, etc., which is a computing core and a control core of the terminal, and is adapted to implement one or more instructions, and is specifically adapted to load and execute one or more instructions to implement a corresponding method flow or a corresponding function; the processor provided by the embodiment of the invention can be used for operating the curve generation method for selecting the measuring points through the time scales and integrating the alarm information.
It will be apparent to those skilled in the art that embodiments of the present application may be provided as a method or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (8)
1. A curve generation method for selecting measuring points and integrating alarm information through time scales is characterized by comprising the following steps:
inputting a measuring point retrieval condition in a measuring point self-defining retrieval interface, and limiting attribute information and measuring point data which can be obtained by drawing a measuring point in historical database access through the measuring point retrieval condition;
selecting a measuring point name to be drawn on a measuring point adding interface, and acquiring attribute information and measuring point data of a measuring point which is limited correspondingly to the measuring point name from a historical database in a data proxy mode;
measuring point types of measuring point names of attribute information of the measuring points acquired from the historical database are judged, and curve drawing is carried out on the measuring point data of the acquired measuring point names according to different drawing styles according to the judgment results to obtain curve shapes;
setting a display style for the obtained curve, carrying out dead pixel display on the curve within the starting time and the ending time of a historical interval, inputting the measuring point name into a data agent access alarm library to judge attribute information of a measuring point corresponding to the measuring point name and whether alarm information exists in the measuring point data in the alarm library; when the data agent accesses the measuring point in the alarm library and has alarm information, positioning whether the alarm information is in the starting and stopping time set by the user; when the measuring point generates alarm information within the starting and stopping time set by the user, the specific position of the measuring point in the drawn curve can be positioned in the process of drawing the curve, the alarm information of the measuring point at the moment is displayed above the position, and if the measuring point does not generate alarm information within the starting and stopping time set by the user, the drawing is finished; and when the data agent accesses the sampling measuring point in the alarm library, the alarm information does not exist, and the drawing is finished.
2. The curve generating method for selecting measuring points and integrating alarm information through time scales as claimed in claim 1, wherein the measuring point searching conditions comprise historical interval start and stop time, sampling interval and statistical type information.
3. The curve generating method for selecting measuring points through time scales and integrating warning information as claimed in claim 1, wherein before the measuring point adding interface selects the measuring point to be drawn, a curve drawing interface display style can be set on the curve editing interface in the initial drawing area, wherein the curve drawing interface display style comprises a time axis display format, a curve refreshing period, a drawing panel background color and the number of Y-axis grids.
4. The curve generation method for selecting measuring points and integrating alarm information through time scales as claimed in claim 1, wherein the data agent mode is as follows:
and after receiving the parameters, the historical database access interface acquires attribute information and measuring point data of the measuring point defined by the measuring point name from the historical database in a static proxy mode.
5. The curve generating method for selecting measuring points and integrating warning information through time scales as claimed in claim 1, wherein the attribute information acquired by sampling the measuring points comprises measuring point OIDs, measuring point types, bit positions, real-time values, range upper and lower limits, value types and data quality bits.
6. The curve generating method for selecting measuring points and integrating alarm information through time scales as claimed in claim 1, wherein measuring point types are judged for attribute information of measuring points of measuring point names acquired from a historical database, wherein the measuring point types comprise switching values and analog quantities;
when the type of the measuring point is the switching value, adding an offset to the switching value at each moment, and drawing the curve style according to the ladder shape, so that the layered tiled display effect of all the switching value on the drawing interface is realized;
when the measuring point type is analog quantity, judging whether the measuring point is a packaging point or not according to measuring point Bit information obtained from a historical database, and simultaneously, performing Bit conversion or not;
when the Bit value =0, the measuring point is a normal analog quantity point and is a non-packing point, so that Bit conversion is not performed, the drawn curve value is a real-time value of the measuring point, and the curve is drawn according to a linear style;
and when the Bit value is more than 0 and less than or equal to 31, the measuring point is a packing point, Bit conversion is carried out on the real-time value of the measuring point, the drawn curve value is the Bit value after conversion of the real-time value of the measuring point, and the curve is drawn according to a step-shaped style.
7. The curve generating method for selecting the measuring points and integrating the alarm information through the time scales as claimed in claim 1, wherein the dead pixels are abnormal data of the obtained measuring points, wherein the abnormal data of the measuring points comprise measuring point values after forced operation of the measuring points or data loss at a certain time; the dead pixel is judged by a data quality bit obtained from a historical database, and when the data quality is not equal to 0, the value corresponding to the moment of the measured point is the dead pixel.
8. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the curve generation method for selecting a measuring point by time scale and integrating alarm information according to any one of claims 1 to 7.
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