CN111384779B - Extraction device and method for power grid fault wave-recording diagram - Google Patents
Extraction device and method for power grid fault wave-recording diagram Download PDFInfo
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- CN111384779B CN111384779B CN202010185227.3A CN202010185227A CN111384779B CN 111384779 B CN111384779 B CN 111384779B CN 202010185227 A CN202010185227 A CN 202010185227A CN 111384779 B CN111384779 B CN 111384779B
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- 238000010586 diagram Methods 0.000 title claims abstract description 22
- 238000000605 extraction Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 13
- 238000007639 printing Methods 0.000 claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
- G06F3/1284—Local printer device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention provides an extraction device of a power grid fault wave-recording diagram, which comprises an information receiving module, an acquisition and conversion module and a printout module; the information receiving module receives printing data and printing signals issued by the local relay protection device; the acquisition conversion module forwards the printing signal of the local relay protection device to the printing output module; collecting a preset value list pre-stored on a remote terminal device, automatically checking the preset value list with print data, further extracting unmatched information in a checking result as fault information, forming a fault wave-recording diagram displayed in an image mode, and transmitting the fault wave-recording diagram to a print output module; and after receiving the printing signals forwarded by the set conversion module, the printing output module starts the local printer, and forwards the fault wave-recording diagram to enable the local printer to print. By implementing the invention, the fault information and the fault oscillogram are output based on the network intelligent acquisition relay protection device, so that the fault information can be known in time, time and labor are saved, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to an extraction device and method of a power grid fault oscillogram.
Background
At present, a transformer substation of 110kV or below of each power grid company is not provided with a protection fault recorder, a scientific research structure is developed, an online fault information acquisition and transmission system does not have conditions, and fault information acquisition is quite difficult.
Along with the rapid development of informatization, networking and data transmission technologies, the intelligent relay protection device is suitable for the rapid development of networking, intelligent and data transmission technologies, so that the intelligent acquisition and transmission of the output fault information of the relay protection device are necessary, the manpower and material resources can be reduced to the maximum extent, the working efficiency is improved, the fault information is known in time, the rapid power recovery is improved, the power supply reliability is improved, and the power failure time of a user is reduced.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide the extraction device and the method for the power grid fault record chart, which are based on the intelligent acquisition of the output fault information and the fault record chart of the relay protection device by the network, so that the fault information can be known in time, time and labor are saved, and the working efficiency is improved.
In order to solve the technical problems, the embodiment of the invention provides an extraction device of a power grid fault oscillogram, which comprises an information receiving module, an acquisition and conversion module and a printout module; wherein,,
the input end of the information receiving module is connected with the printing output port of the local relay protection device, and the output end of the information receiving module is connected with the first end of the acquisition and conversion module and is used for receiving printing data and printing signals issued by the local relay protection device;
the second end of the acquisition and conversion module is connected with a remote terminal device pre-stored with a constant value sheet, and the third end of the acquisition and conversion module is connected with the input end of the printing output module and is used for forwarding the printing signal of the local relay protection device to the printing output module; collecting a preset value list pre-stored on the remote terminal equipment, automatically checking the preset value list with print data issued by the local relay protection device, further extracting unmatched information in a checking result as fault information, forming a fault wave-recording diagram displayed in an image mode, and forwarding the fault wave-recording diagram to the print output module;
the output end of the printing output module is connected with a local printer and is used for starting the local printer after receiving the printing signals forwarded by the acquisition and conversion module and forwarding the fault wave-recording diagram sent by the acquisition and conversion module to enable the local printer to print.
The input end of the information receiving module is connected with a printing output port of the local relay protection device through a first printing line with 25 pins parallel port to 3 pins or USB serial port; wherein,,
the input end of the information receiving module is connected with a 3-pin or USB serial port of the first printing line, and the printing output port of the local relay protection device is connected with a 25-pin parallel port of the first printing line.
The output end of the printing output module is connected with the local printer through a second printing line from 25-pin parallel port to 3-pin or USB serial port; wherein,,
the output end of the printing output module is connected with a 3-pin or USB serial port of the second printing line, and the local printer is connected with a 25-pin parallel port of the second printing line.
The second end of the acquisition and conversion module is connected with the remote terminal equipment through a wireless or wired network.
The information receiving module, the acquisition and conversion module and the printout module are all pluggable boards integrated with a DSP chip.
The embodiment of the invention also provides a method for extracting the power grid fault oscillogram, which is realized on the device for extracting the power grid fault oscillogram, and comprises the following steps:
acquiring printing data and printing signals issued by a local relay protection device;
and starting a local printer according to the printing signal of the local relay protection device, collecting a preset value list pre-stored on a remote terminal device, automatically checking the preset value list with printing data issued by the local relay protection device, further extracting unmatched information in a checking result as fault information, and forming a fault wave recording diagram displayed in an image mode for printing on the local printer.
Wherein the method further comprises:
and extracting matched information in the checking result and directly printing the matched information to the local printer.
The embodiment of the invention has the following beneficial effects:
according to the invention, after the automatic check is carried out on the preset value list pre-stored on the remote terminal equipment based on network acquisition and the printing data issued by the local relay protection device, unmatched information in the check result is extracted as fault information, and the fault record chart displayed in an image mode is formed for carrying out local printing, so that the fault information and the fault record chart are output based on the network intelligent acquisition and the relay protection device, the fault information is known in time, time and labor are saved, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that it is within the scope of the invention to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
Fig. 1 is a schematic system structure diagram of an extraction device for a power grid fault log provided by an embodiment of the present invention;
fig. 2 is an application scenario diagram of an extraction device for a power grid fault oscillogram provided by an embodiment of the present invention;
fig. 3 is a flowchart of an extraction method of a power grid fault record chart according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1, in the embodiment of the invention, the provided extraction device for the power grid fault wave-recording diagram comprises an information receiving module 1, an acquisition and conversion module 2 and a printout module 3, wherein the information receiving module 1, the acquisition and conversion module 2 and the printout module 3 are all pluggable boards integrated with DSP chips and are fixed in a certain chassis; wherein,,
the input end of the information receiving module 1 is connected with a printing output port of the local relay protection device, and the output end of the information receiving module is connected with the first end of the acquisition and conversion module 2; the information receiving module 1 is used for receiving printing data and printing signals issued by the local relay protection device; it should be noted that, the input end of the information receiving module 1 is connected with the print output port of the local relay protection device through a first printed wire with 25 pins parallel port to 3 pins or USB serial port; the input end of the information receiving module 1 is connected with a 3-pin or USB serial port of a first printing line, and the printing output port of the local relay protection device is connected with a 25-pin parallel port of the first printing line;
the second end of the acquisition and conversion module 2 is connected with a remote terminal device which is pre-stored with a constant value sheet, and the third end of the acquisition and conversion module is connected with the input end of the printing output module 3; the acquisition conversion module 2 is used for forwarding a printing signal of the local relay protection device to the printing output module 3; collecting a preset value list pre-stored on a remote terminal device, automatically checking the preset value list with print data issued by a local relay protection device, further extracting unmatched information in a checking result to be fault information, forming a fault wave-recording diagram displayed in an image mode, and forwarding the fault wave-recording diagram to a print output module 3; it should be noted that, the second end of the acquisition and conversion module is connected with the remote terminal device through a wireless (such as WIFI, 4G, etc.) or wired network (such as twisted pair, optical fiber, etc.);
the output end of the print output module 3 is connected with a local printer, and is used for starting the local printer after receiving the print signal forwarded by the acquisition and conversion module 2, and forwarding the fault wave-recording diagram sent by the acquisition and conversion module 2 to enable the local printer to print. It should be noted that, the output end of the print output module 2 is connected with the local printer through a second print line from 25 pins parallel to 3 pins or USB serial; the output end of the printing output module 2 is connected with a 3-pin or USB serial port of a second printing line, and the local printer is connected with a 25-pin parallel port of the second printing line.
It can be understood that the information of mismatch or match in the verification result is not limited to the final matching result, but also includes related information such as data of two or more parties performing comparison verification; for example, the information of the mismatch in the collation results includes the end result being mismatch, and the data of both or multiple parties participating in the comparison collation, etc. Of course, the extracting device of the power grid fault oscillogram in the embodiment of the invention should also have a power module for supplying power to all the modules, and the power module is a pluggable board card.
As shown in fig. 2, the working principle of the device for extracting the power grid fault record chart in the embodiment of the invention is that the device for extracting the power grid fault record chart collects relevant data such as a fixed value list pre-stored on a remote terminal device in real time through an acquisition and conversion module 2 based on a network, once the device for extracting the printing data and the printing signals issued by a local relay protection device through an information receiving module 1, a local printer is started through a printing output module 3 on one hand, and on the other hand, the collected fixed value list pre-stored on the remote terminal device and the printing data issued by the local relay protection device are automatically checked, and the unmatched information in the check result is extracted as fault information, so that the fault record chart displayed in an image mode is formed to be printed by the local printer, thereby realizing that the fault information and the fault record chart are output based on the network intelligent acquisition relay protection device, time and labor are saved, and the working efficiency is improved. Of course, the matched information in the checking result can be used as correct information, and the correct information can be timely known by printing through a local printer.
Fig. 3 shows an embodiment of the present invention, which provides a method for extracting a power grid fault log, which is implemented on the device for extracting a power grid fault log, and the method includes:
step S1, obtaining printing data and printing signals issued by a local relay protection device;
and S2, starting a local printer according to the printing signal of the local relay protection device, collecting a preset value list pre-stored on a remote terminal device, automatically checking the preset value list with printing data issued by the local relay protection device, further extracting unmatched information in a checking result as fault information, and forming a fault wave-recording diagram displayed in an image mode for printing on the local printer.
Wherein the method further comprises:
and extracting matched information in the checking result and directly printing the matched information to the local printer.
The embodiment of the invention has the following beneficial effects:
according to the invention, after the automatic check is carried out on the preset value list pre-stored on the remote terminal equipment based on network acquisition and the printing data issued by the local relay protection device, unmatched information in the check result is extracted as fault information, and the fault record chart displayed in an image mode is formed for carrying out local printing, so that the fault information and the fault record chart are output based on the network intelligent acquisition and the relay protection device, the fault information is known in time, time and labor are saved, and the working efficiency is improved.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in implementing the methods of the above embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc.
The above disclosure is only a preferred embodiment of the present invention, and it is needless to say that the scope of the invention is not limited thereto, and therefore, the equivalent changes according to the claims of the present invention still fall within the scope of the present invention.
Claims (7)
1. The extraction device of the power grid fault wave-recording diagram is characterized by comprising an information receiving module, an acquisition and conversion module and a printing output module; wherein,,
the input end of the information receiving module is connected with the printing output port of the local relay protection device, and the output end of the information receiving module is connected with the first end of the acquisition and conversion module and is used for receiving printing data and printing signals issued by the local relay protection device;
the second end of the acquisition and conversion module is connected with a remote terminal device pre-stored with a constant value sheet, and the third end of the acquisition and conversion module is connected with the input end of the printing output module and is used for forwarding the printing signal of the local relay protection device to the printing output module; collecting a preset value list pre-stored on the remote terminal equipment, automatically checking the preset value list with print data issued by the local relay protection device, further extracting unmatched information in a checking result as fault information, forming a fault wave-recording diagram displayed in an image mode, and forwarding the fault wave-recording diagram to the print output module;
the output end of the printing output module is connected with a local printer and is used for starting the local printer after receiving the printing signals forwarded by the acquisition and conversion module and forwarding the fault wave-recording diagram sent by the acquisition and conversion module to enable the local printer to print.
2. The device for extracting the power grid fault oscillogram according to claim 1, wherein the input end of the information receiving module is connected with the print output port of the local relay protection device through a first printed wire with 25 pins parallel port to 3 pins or a USB serial port; wherein,,
the input end of the information receiving module is connected with a 3-pin or USB serial port of the first printing line, and the printing output port of the local relay protection device is connected with a 25-pin parallel port of the first printing line.
3. The device for extracting the power grid fault log graph according to claim 1, wherein the output end of the print output module is connected with the local printer through a second print line from 25 pins parallel port to 3 pins or a USB serial port; wherein,,
the output end of the printing output module is connected with a 3-pin or USB serial port of the second printing line, and the local printer is connected with a 25-pin parallel port of the second printing line.
4. The apparatus for extracting a fault log of a power grid according to claim 1, wherein the second end of the acquisition and conversion module is connected to the remote terminal device through a wireless or wired network.
5. The device for extracting a power grid fault log graph according to claim 1, wherein the information receiving module, the acquisition and conversion module and the printout module are pluggable boards integrated with a DSP chip.
6. A method for extracting a grid fault log, characterized in that it is implemented on an extraction device of a grid fault log according to any one of claims 1-5, the method comprising:
acquiring printing data and printing signals issued by a local relay protection device;
and starting a local printer according to the printing signal of the local relay protection device, collecting a preset value list pre-stored on a remote terminal device, automatically checking the preset value list with printing data issued by the local relay protection device, further extracting unmatched information in a checking result as fault information, and forming a fault wave recording diagram displayed in an image mode for printing on the local printer.
7. The method for extracting a grid fault log according to claim 6, further comprising:
and extracting matched information in the checking result and directly printing the matched information to the local printer.
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| CN112208228B (en) * | 2020-09-11 | 2022-04-19 | 国网福建省电力有限公司检修分公司 | Electronic collection and printing system for relay protection message information |
| CN113625978A (en) * | 2021-08-24 | 2021-11-09 | 深圳供电局有限公司 | Method and system for processing printing data of multiple relay protection screens |
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