CN113434519B - Method, system and storage medium for updating label names of measuring points - Google Patents
Method, system and storage medium for updating label names of measuring points Download PDFInfo
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- CN113434519B CN113434519B CN202110990259.5A CN202110990259A CN113434519B CN 113434519 B CN113434519 B CN 113434519B CN 202110990259 A CN202110990259 A CN 202110990259A CN 113434519 B CN113434519 B CN 113434519B
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention discloses a method, a system and a storage medium for updating a label name of a measuring point, and provides a method for updating the label name of the measuring point of a picture based on background monitoring, wherein received measuring point information is compared with measuring point information stored in a database, once the measuring point information generates a message, a data change signal is immediately generated and a data acquisition thread of each picture which is opened at present is informed one by one, and the label name of the measuring point can be synchronously measured by the data acquisition thread; the situation that the label names are not matched due to the fact that the label names (hardware addresses) of the measuring points are changed and the picture and data acquisition process cannot be found in time is avoided; the effectiveness of the data acquisition thread for acquiring the data and the correctness of the data displayed on the picture are ensured.
Description
Technical Field
The invention belongs to the field of measuring point label name updating methods, and particularly relates to a measuring point label name updating method, a measuring point label name updating system and a storage medium.
Background
In the distributed control system, each picture opened by upper computer picture monitoring software displays real-time data of all measuring points on the current picture, each picture is provided with a data acquisition thread, the thread maintains a measuring point subscription list based on a mapping structure, key value pairs of all measuring points (measuring point identifiers and measuring point hardware addresses) on the picture are stored, and the data acquisition thread requests the process control station for the real-time data of the subscribed measuring points.
In the engineering configuration link, when the hardware address of the measuring point on the opening picture changes in the logic configuration process and is issued to the process control station, the hardware address of the measuring point in the process control station changes, if the picture and the data acquisition process cannot be found in time, the situation that the measuring point is not matched with the hardware address can occur, real-time data acquired by a data acquisition thread is invalid or even wrong, data displayed on the picture is abnormal, and the picture monitoring function fails.
Disclosure of Invention
The invention aims to overcome the defects and provides a measuring point label name updating method, a measuring point label name updating system and a storage medium, which can monitor the change condition of the measuring point label name in real time, and once a background monitoring program receives the change of measuring point information, a measuring point change signal is immediately generated and a picture is informed, and the measuring point label name can be synchronously measured after the picture is received.
In order to achieve the purpose, the measuring point label name updating method comprises the following steps:
comparing the measuring point information to be updated with the measuring point information stored in the database;
if the measuring point information is not changed, continuously receiving new measuring point information needing to be updated;
if the measuring point information changes, a point directory change message is sent out;
and generating data change signals according to the changed measuring points obtained by analyzing the point catalog change messages, and informing the currently running data acquisition threads one by one, wherein the data acquisition threads are used for updating the changed measuring points.
And receiving the measuring point information needing to be updated, and carrying out configuration operation and modifying the measuring points by logic configuration software.
The concrete method when the measuring point information changes with the measuring point information stored in the database is as follows:
and if the change occurs, updating the point directory information in the database, recording the measuring points with the changed hardware addresses, sending an information list of the measuring points with the changed hardware addresses, and finally keeping the measuring point identifiers of the measuring points with the changed hardware addresses and the key value pairs of the measuring point hardware addresses in the updating process.
And if the measuring points with changed hardware addresses are contained in the measuring point list subscribed by the current picture data acquisition thread, updating the measuring point information subscribed by the data acquisition thread, and informing the current picture display process to reload the picture.
And if the measuring point with the changed hardware address is not contained in the measuring point list subscribed by the current picture data acquisition thread, ignoring the message.
A system based on a measuring point tag name updating method comprises a background point directory updating module, a background picture management module and a picture data acquisition thread;
the background point directory updating module is used for receiving the modified measuring point information, comparing the received measuring point information with the measuring point information stored in the database and judging whether the measuring point information changes or not; if no change exists, new measuring point information is continuously received and compared; if the change is detected, sending a point directory change message to a background picture management module;
the background picture management module is used for receiving the catalog change message, analyzing the catalog change message into changed measuring points, generating data change signals and informing the data acquisition threads of each picture which is opened at present one by one;
the picture data acquisition thread is used for analyzing the measuring point information with the changed hardware address and judging whether the measuring point with the changed hardware address is contained in a measuring point list subscribed by the current picture data acquisition thread; if yes, updating the measuring point information of the data acquisition subscription, and informing the current picture display process to reload the picture; if not, the message is ignored.
And when judging whether the measuring point information changes, if so, the background point directory updating module updates the point directory information in the database, records the measuring point with the changed hardware address, sends an information list of the measuring point with the changed hardware address, and stores and maintains the measuring point identifier and the key value pair of the measuring point hardware address when the hardware address changes in the updating process.
And when the picture data acquisition thread judges whether the measuring points with the changed hardware addresses are contained in the measuring point list subscribed by the current picture data acquisition thread, if the measuring points with the changed hardware addresses are contained in the measuring point list subscribed by the current picture data acquisition thread, updating the measuring point information subscribed by the data acquisition thread, and informing the current picture display process of reloading the picture.
A computer-readable storage medium stores a computer program which, when executed by a processor, implements the steps of a station tag name update method.
Compared with the prior art, the invention provides a method for updating the label names of the image measuring points based on background monitoring, wherein the received measuring point information is compared with the measuring point information stored in a database, once the measuring point information generates a message, a data change signal is immediately generated and a data acquisition thread of each image which is opened at present is informed one by one, and the data acquisition thread can synchronously measure the label names; the situation that the label names are not matched due to the fact that the label names (hardware addresses) of the measuring points are changed and the picture and data acquisition process cannot be found in time is avoided; the effectiveness of the data acquisition thread for acquiring the data and the correctness of the data displayed on the picture are ensured.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 is a block diagram of the system of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
A measuring point label name updating method comprises the following steps:
s1, the engineer performs configuration operation on the logic configuration software to modify the measuring points;
s2, comparing the received measuring point information with the measuring point information stored in the database, and judging whether the measuring point information changes; if no change exists, new measuring point information is continuously received and compared; if the change is detected, updating the point directory information in the database;
s3, analyzing the catalog change message into changed measuring points, generating data change signals, and informing the data acquisition threads of each picture which is opened at present one by one;
s4, analyzing the measuring point information with changed hardware address, and judging whether the measuring point with changed hardware address is contained in the measuring point list subscribed by the current picture data acquisition thread; if yes, updating the measuring point information of the data acquisition subscription, and informing the current picture display process to reload the picture; if not, the message is ignored.
Referring to fig. 2, a system based on a measurement point tag name updating method includes a background point directory updating module, a background picture management module and a picture data acquisition thread;
the background point directory updating module is used for receiving the modified measuring point information, comparing the received measuring point information with the measuring point information stored in the database and judging whether the measuring point information changes or not; if no change exists, new measuring point information is continuously received and compared; if the change is detected, sending a point directory change message to a background picture management module;
the background picture management module is used for receiving the catalog change message, analyzing the catalog change message into changed measuring points, generating data change signals and informing the data acquisition threads of each picture which is opened at present one by one;
the picture data acquisition thread is used for analyzing the measuring point information with the changed hardware address and judging whether the measuring point with the changed hardware address is contained in a measuring point list subscribed by the current picture data acquisition thread; if yes, updating the measuring point information of the data acquisition subscription, and informing the current picture display process to reload the picture; if not, the message is ignored.
And when judging whether the measuring point information changes, if so, the background point directory updating module updates the point directory information in the database, records the measuring point with the changed hardware address, sends an information list of the measuring point with the changed hardware address, and stores the measuring point identifier and the key value pair of the measuring point hardware address when the hardware address changes in the updating process.
And when the picture data acquisition thread judges whether the measuring points with the changed hardware addresses are contained in the measuring point list subscribed by the current picture data acquisition thread, if the measuring points with the changed hardware addresses are contained in the measuring point list subscribed by the current picture data acquisition thread, updating the measuring point information subscribed by the data acquisition thread, and informing the current picture display process of reloading the picture.
A computer-readable storage medium stores a computer program which, when executed by a processor, implements the steps of a station tag name update method.
The invention provides a background monitoring program based on which the change condition of the label names of the measuring points is monitored, once the background monitoring program receives the change of the measuring point information, the background monitoring program immediately generates measuring point change signals and informs a picture, and the label names of the measuring points can be synchronously measured after the picture is received.
Referring to fig. 1, example:
s1, changing the hardware address of the measuring point AI1 from tagname1 to tagname2, and downloading the modified measuring point information into the process control station;
s2, comparing the received measuring point information with the measuring point information stored in the database, and judging whether the measuring point information changes; if no change exists, new measuring point information is continuously received and compared; if the change occurs, point directory information in the database is updated, a measuring point AI1 with a changed hardware address is recorded, an information list of the measuring point with the changed hardware address is sent, finally, key value pairs of a measuring point identifier AI1 and a measuring point hardware address tagramee 2 of the measuring point with the changed hardware address in the updating process are kept, and a point directory change message is sent;
s3, analyzing the catalog change message into changed measuring points, generating data change signals, and informing the data acquisition threads of each picture which is opened at present one by one;
s4, analyzing the measuring point information with the changed hardware address, and judging whether the measuring point AI1 with the changed hardware address is contained in a measuring point list subscribed by the current picture data acquisition thread; if the measurement point AI1 is included, updating the hardware address of the measurement point AI1 in the measurement point information of the data acquisition subscription to be tagname2, and informing the current picture display process to reload the picture; if not, the message is ignored.
Claims (3)
1. A survey point label name updating method is characterized by comprising the following steps:
receiving measuring point information needing to be updated, and carrying out configuration operation and measuring point modification by logic configuration software;
comparing the measuring point information to be updated with the measuring point information stored in the database;
if the measuring point information is not changed, continuously receiving new measuring point information needing to be updated;
if the measuring point information changes, a point directory change message is sent out; the specific method comprises the following steps:
if the change occurs, point directory information in the database is updated, the measuring points with the changed hardware addresses are recorded, an information list of the measuring points with the changed hardware addresses is sent, and finally measuring point identifiers of the measuring points with the changed hardware addresses and key value pairs of the measuring point hardware addresses in the updating process are kept;
generating data change signals according to the changed measuring points obtained by analyzing the point catalog change messages, and informing a data acquisition thread which is currently running one by one, wherein the data acquisition thread is used for updating the changed measuring points; if the measuring point with the changed hardware address is contained in a measuring point list subscribed by the current picture data acquisition thread, updating the measuring point information subscribed by the data acquisition thread, and then informing the current picture display process to reload the picture;
and if the measuring point with the changed hardware address is not contained in the measuring point list subscribed by the current picture data acquisition thread, ignoring the message.
2. A system based on a measuring point label name updating method is characterized by comprising a background point directory updating module, a background picture management module and a picture data acquisition thread;
the background point directory updating module is used for receiving the modified measuring point information, comparing the received measuring point information with the measuring point information stored in the database and judging whether the measuring point information changes or not; if no change exists, new measuring point information is continuously received and compared; if the change is detected, sending a point directory change message to a background picture management module;
the background picture management module is used for receiving the catalog change message, analyzing the catalog change message into changed measuring points, generating data change signals and informing the data acquisition threads of each picture which is opened at present one by one;
the picture data acquisition thread is used for analyzing the measuring point information with the changed hardware address and judging whether the measuring point with the changed hardware address is contained in a measuring point list subscribed by the current picture data acquisition thread; if yes, updating the measuring point information of the data acquisition subscription, and informing the current picture display process to reload the picture; if not, ignoring the message;
when judging whether the measuring point information changes, if so, the background point directory updating module updates the point directory information in the database, records the measuring point with the changed hardware address, sends an information list of the measuring point with the changed hardware address, and stores a measuring point identifier and a key value pair of the measuring point hardware address when the hardware address changes in the updating process;
and when the picture data acquisition thread judges whether the measuring points with the changed hardware addresses are contained in the measuring point list subscribed by the current picture data acquisition thread, if the measuring points with the changed hardware addresses are contained in the measuring point list subscribed by the current picture data acquisition thread, updating the measuring point information subscribed by the data acquisition thread, and informing the current picture display process of reloading the picture.
3. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a processor, implements the steps of the station tag name updating method according to claim 1.
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| CN113741378B (en) * | 2021-11-04 | 2022-03-15 | 西安热工研究院有限公司 | Fault analysis method and system for background abnormal point high-frequency acquisition of distributed control system |
| CN113741379B (en) * | 2021-11-08 | 2022-02-15 | 西安热工研究院有限公司 | DCS monitoring picture fast loading method, system, equipment and storage medium |
| CN117009187B (en) * | 2023-09-27 | 2024-01-19 | 西安热工研究院有限公司 | CID file incremental compiling method, system and equipment for upper computer monitoring system |
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