CN111934427A - Signal checking method and system, protection measurement and control device and storage medium - Google Patents
Signal checking method and system, protection measurement and control device and storage medium Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a signal checking method and system, a protection measurement and control device and a storage medium. The method is suitable for a protection measurement and control device of a signal checking system, the signal checking system comprises a background monitoring device and a protection measurement and control device, the protection measurement and control device is communicated with the background monitoring device through a first communication network cable and a second communication network cable, and the method comprises the following steps: the protection measurement and control device acquires a test signal and simultaneously transmits the test signal to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a return correction signal according to the test signal; and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal. The scheme provided by the invention can realize automatic checking of the signal and improve the working efficiency of the power grid.
Description
Technical Field
The embodiment of the invention relates to the technical field of power systems, in particular to a signal checking method and system, a protection measurement and control device and a storage medium.
Background
To meet the increasing user load demands, more and more substations are built or retrofitted. In the process of building or modifying a substation, a large amount of signal checking work often exists. The existing signal checking method usually needs manual operation, so that a large amount of time and labor are consumed, and the working efficiency is too low; and the communication signals are affected by geographical locations, making the signal verification work in certain locations extremely difficult to develop.
Disclosure of Invention
The embodiment of the invention provides a signal checking method and a system, a protection measurement and control device and a storage medium, which can realize automatic checking of signals and improve the working efficiency of a power grid.
In a first aspect, an embodiment of the present invention provides a signal checking method, where the signal checking method is applicable to a protection measurement and control device of a signal checking system, the signal checking system includes a background monitoring device and a protection measurement and control device, and the protection measurement and control device communicates with the background monitoring device through a first communication network line and a second communication network line at the same time, and the method includes:
the protection measurement and control device acquires a test signal and simultaneously transmits the test signal to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a return correction signal according to the test signal;
and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal.
Optionally, the obtaining of the test signal by the protection measurement and control device includes:
the protection measurement and control device receives a hard contact test signal input by a user; alternatively, the first and second electrodes may be,
the protection measurement and control device automatically generates soft message test signals periodically or aperiodically.
Optionally, the method further includes:
the protection measurement and control device judges whether a return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable simultaneously;
if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the return correction signal sent by the background monitoring device is received through the second communication network cable, the protection measurement and control device records the fault of the first communication network cable, and the second communication network cable is normal;
if the return correction signal sent by the background monitoring device is received through the first communication network cable and the return correction signal sent by the background monitoring device is not received through the second communication network cable, the protection measurement and control device records that the first communication network cable is normal and the second communication network cable is in fault;
if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the second communication network cable, the protection measurement and control device records that both the first communication network cable and the second communication network cable are in failure;
and if the return correction signals sent by the background monitoring device are received through the first communication network cable and the second communication network cable at the same time, the protection measurement and control device records that the first communication network cable and the second communication network cable are normal.
Optionally, the protection measurement and control device generates a test result according to the return correction signal, including:
the protection measurement and control device judges whether the return correction signal is matched with the test signal;
if the return correction signal is matched with the test signal, the protection measurement and control device generates a first test result, and the first test result is used for indicating that the signal check is passed;
and if the correction signal is not matched with the test signal, the protection measurement and control device generates a second test result, and the second test result is used for indicating that the signal check fails.
Optionally, after the protection measurement and control device generates the test result, the method further includes:
and the protection measurement and control device generates and displays a test report according to the test result.
In a second aspect, an embodiment of the present invention further provides a protection measurement and control device, where the protection measurement and control device communicates with a background monitoring device through a first communication network line and a second communication network line, and the protection measurement and control device includes: the device comprises a signal acquisition module, a communication module and a test module;
the signal acquisition module is used for acquiring a test signal;
the communication module is used for simultaneously transmitting the test signal to the background monitoring device through the first communication network cable and the second communication network cable so that the background monitoring device can automatically generate a correction signal according to the test signal;
and the test module is used for generating a test result according to the return correction signal if the communication module receives the return correction signal sent by the background monitoring device.
Optionally, the method further includes: the device comprises a judging module and a recording module;
the judging module is used for judging whether a return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable simultaneously;
the recording module is used for recording the fault of the first communication network cable and the normal second communication network cable if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the return correction signal sent by the background monitoring device is received through the second communication network cable; if the return correction signal sent by the background monitoring device is received through the first communication network cable and the return correction signal sent by the background monitoring device is not received through the second communication network cable, recording that the first communication network cable is normal and the second communication network cable is in fault; if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the second communication network cable, recording that both the first communication network cable and the second communication network cable are in failure; and if the return correction signals sent by the background monitoring device are received through the first communication network cable and the second communication network cable at the same time, recording that the first communication network cable and the second communication network cable are normal.
Optionally, the test module is specifically configured to determine whether the return correction signal matches the test signal; if the return correction signal is matched with the test signal, generating a first test result, wherein the first test result is used for indicating that the signal check is passed; and if the correction signal is not matched with the test signal, generating a second test result, wherein the second test result is used for indicating that the signal check fails.
In a third aspect, an embodiment of the present invention further provides a signal checking system, including a background monitoring device and the protection measurement and control device according to any one of the embodiments, where the protection measurement and control device communicates with the background monitoring device through the first communication network line and the second communication network line at the same time, and the protection measurement and control device is configured to execute the method according to any one of the embodiments.
In a fourth aspect, the present invention further provides a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the computer program implements the method of any one of the above embodiments.
The invention provides a signal checking method and system, a protection measurement and control device and a storage medium, wherein the method is suitable for the protection measurement and control device of the signal checking system, the signal checking system comprises a background monitoring device and the protection measurement and control device, the protection measurement and control device is simultaneously communicated with the background monitoring device through a first communication network cable and a second communication network cable, and the method comprises the following steps: the protection measurement and control device acquires a test signal and simultaneously transmits the test signal to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a return correction signal according to the test signal; and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal. The protection measurement and control device sends a test signal to the background monitoring device and receives a return-to-school signal automatically generated by the background monitoring device, so that the protection measurement and control device generates a test result according to the return-to-school signal and the power supply network staff checks and accepts the test result. Compared with the traditional method for manually checking the signals, the method can realize automatic checking of the signals and improve the working efficiency of the power grid.
Drawings
Fig. 1 is a schematic flowchart of a signal checking method according to an embodiment;
fig. 2 is a schematic flowchart of a signal checking method according to a second embodiment;
fig. 3 is a schematic structural diagram of a protection measurement and control device provided in the third embodiment;
fig. 4 is a schematic structural diagram of another protection measurement and control device provided in the third embodiment;
fig. 5 is a schematic structural diagram of another protection measurement and control device provided in the third embodiment;
fig. 6 is a schematic structural diagram of a signal verification system according to a fourth embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
To meet the increasing user load demands, more and more substations are built or retrofitted. In the process of building or modifying a substation, a large amount of signal checking work often exists. The existing signal checking method usually needs at least two employees to respectively carry out the operations of sending signals and checking the signals at a background monitoring device and a protection measurement and control device, so that a great deal of time and manpower are consumed, and the working efficiency is too low; and the result of signal check needs to rely on communication equipment (such as cell-phone or intercom) to inform each other, and communication signal is influenced by geographical position, and signal check work is carried out very difficultly when the transformer substation is built in remote or rugged position.
In order to solve the problems, the invention provides a signal checking method and system, a protection measurement and control device and a storage medium, wherein the protection measurement and control device sends a test signal to a background monitoring device and receives a return calibration signal automatically generated by the background monitoring device, so that the protection measurement and control device generates a test result according to the return calibration signal, and the test result is checked and accepted by power supply network workers. Compared with the traditional method for manually checking the signals, the method can realize automatic checking of the signals and improve the working efficiency of the power grid.
It should be noted that the following embodiments of the present invention may be implemented individually, or may be implemented in combination with each other, and the embodiments of the present invention are not limited in this respect.
The following describes a signal checking method, a signal checking system, a protection measurement and control device, and technical effects thereof.
Example one
Fig. 1 is a schematic flow chart of a signal checking method according to an embodiment, and as shown in fig. 1, the method according to the embodiment is applicable to a protection measurement and control device of a signal checking system, the signal checking system is arranged in a substation, the signal checking system includes a background monitoring device and a protection measurement and control device, the protection measurement and control device communicates with the background monitoring device through a first communication network line and a second communication network line, and the method includes the following steps.
S101, the protection measurement and control device obtains a test signal and sends the test signal to the background monitoring device through the first communication network cable and the second communication network cable simultaneously.
The signal checking system comprises a background monitoring device and a protection measurement and control device, the protection measurement and control device is communicated with the background monitoring device through a first communication network line and a second communication network line (also called an A network communication network line and a B network communication network line), and data sent by the background monitoring device and the protection measurement and control device through the first communication network line and the second communication network line are the same.
In this embodiment, the method for obtaining the test signal by the protection measurement and control device may include any one of the following two methods:
according to the first method, a protection measurement and control device receives a hard contact test signal input by a user.
The protection measurement and control device can be provided with a test trigger button, and when a user presses the test trigger button, the protection measurement and control device responds to user operation and receives a hard contact test signal input by the user. For example, a hard contact test signal is a signal taken directly from the normally open/normally closed contacts of a relay.
And secondly, the protection measurement and control device automatically generates a soft message test signal periodically or aperiodically.
The protection measurement and control device can automatically generate the soft message test signal according to a preset rule (such as every preset time (1min or 10min) or irregular). For example, the soft message test signal is a signal which is judged by the protection measurement and control device itself and is sent in a message form, and the soft message test signal is judged by software.
S102, the background monitoring device receives the test signal and automatically generates a return correction signal according to the test signal.
S103, the background monitoring device sends a return correction signal to the protection measurement and control device.
Optionally, the background monitoring device may directly feed back the test signal as a return correction signal to the protection measurement and control device, or may carry information of the test signal (such as content of the test signal, identification ID of the test signal, and the like) in the return correction signal and feed back the return correction signal to the protection measurement and control device.
And S104, if the protection measurement and control device receives a return correction signal sent by the background monitoring device, generating a test result according to the return correction signal.
For example, the method for generating the test result by the protection measurement and control device according to the return correction signal may be: the protection measurement and control device judges whether the return correction signal is matched with the test signal; if the return correction signal is matched with the test signal, the protection measurement and control device generates a first test result, and the first test result is used for indicating that the signal check is passed; and if the correction signal is not matched with the test signal, the protection measurement and control device generates a second test result, and the second test result is used for indicating that the signal check fails.
Example two
Fig. 2 is a schematic flow chart of a signal checking method according to a second embodiment, and as shown in fig. 2, the method according to the second embodiment is applicable to a protection measurement and control device of a signal checking system, the signal checking system is arranged in a substation, the signal checking system includes a background monitoring device and a protection measurement and control device, and the protection measurement and control device communicates with the background monitoring device through a first communication network line and a second communication network line at the same time.
S201, the protection measurement and control device obtains a test signal and sends the test signal to the background monitoring device through the first communication network cable and the second communication network cable simultaneously, so that the background monitoring device automatically generates a return correction signal according to the test signal.
The signal checking system comprises a background monitoring device and a protection measurement and control device, the protection measurement and control device is communicated with the background monitoring device through a first communication network line and a second communication network line (also called an A network communication network line and a B network communication network line), and data sent by the background monitoring device and the protection measurement and control device through the first communication network line and the second communication network line are the same.
In this embodiment, the method for obtaining the test signal by the protection measurement and control device may include any one of the following two methods:
according to the first method, a protection measurement and control device receives a hard contact test signal input by a user.
The protection measurement and control device can be provided with a test trigger button, and when a user presses the test trigger button, the protection measurement and control device responds to user operation and receives a hard contact test signal input by the user. For example, a hard contact test signal is a signal taken directly from the normally open/normally closed contacts of a relay.
And secondly, the protection measurement and control device automatically generates a soft message test signal periodically or aperiodically.
The protection measurement and control device can automatically generate the soft message test signal according to a preset rule (such as every preset time (1min or 10min) or irregular). For example, the soft message test signal is a signal which is judged by the protection measurement and control device itself and is sent in a message form, and the soft message test signal is judged by software.
Optionally, the background monitoring device may directly feed back the test signal as a return correction signal to the protection measurement and control device, or may carry information of the test signal (such as content of the test signal, identification ID of the test signal, and the like) in the return correction signal and feed back the return correction signal to the protection measurement and control device.
S202, the protection measurement and control device judges whether a return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable at the same time.
S203, if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the return correction signal sent by the background monitoring device is received through the second communication network cable, the protection measurement and control device records the fault of the first communication network cable, and the second communication network cable is normal.
And step S204-step S206 are parallel steps, after the protection measurement and control device records the fault of the first communication network line and the second communication network line is normal, step S207 is executed, and the protection measurement and control device determines whether the return correction signal received from the second communication network line is matched with the test signal.
And S204, if the return correction signal sent by the background monitoring device is received through the first communication network cable and the return correction signal sent by the background monitoring device is not received through the second communication network cable, the protection measurement and control device records that the first communication network cable is normal and the second communication network cable is in fault.
And step S203 and step S205-step S206 are parallel steps, after the protection measurement and control device records the fault of the second communication network line and the first communication network line is normal, step S207 is executed, and the protection measurement and control device determines whether the return correction signal received from the first communication network line matches with the test signal.
S205, if the return correction signal sent by the background monitoring device is not received through the first communication network line and the second communication network line, the protection measurement and control device records that both the first communication network line and the second communication network line are in failure.
And step S203-S204 and step S206 are parallel steps, and since the communication between the background monitoring device and the protection measurement and control device is interrupted, the protection measurement and control device only needs to record that both the first communication network line and the second communication network line are in failure, and the signal checking process is finished.
And S206, if the return correction signals sent by the background monitoring device are received through the first communication network cable and the second communication network cable at the same time, the protection measurement and control device records that the first communication network cable and the second communication network cable are normal.
And step S203-S205 are parallel steps, after the protection measurement and control device records that the first communication network line and the second communication network line are both normal, step S207 is executed, and the protection measurement and control device determines whether the return correction signal received from the first communication network line and the second communication network line matches with the test signal.
And S207, the protection measurement and control device judges whether the return correction signal is matched with the test signal.
And S208, if the return correction signal is matched with the test signal, the protection measurement and control device generates a first test result, and the first test result is used for indicating that the signal check is passed.
And S209, if the correction signal is not matched with the test signal, the protection measurement and control device generates a second test result, and the second test result is used for indicating that the signal check fails.
And S210, generating and displaying a test report by the protection measurement and control device according to the test result.
In order to improve the readability of the test report, special marks may be provided for the first test result, the second test result and the network cable fault. As shown in table 1, is an exemplary test report.
TABLE 1
As can be seen from table 1, for the first group of test signals, in which the first communication network line has a fault, a circle is marked in the result column of "whether the return calibration signal matches the test signal", and the second communication network line is normal, but since the return calibration signal does not match the test signal, a circle is marked in the result column of "whether the return calibration signal matches the test signal"; for the second group of test signals, wherein the first communication network line is normal, the return calibration signal is matched with the test signal, check is carried out in the result column of 'whether the return calibration signal is matched with the test signal', the second communication network line has a fault, and check is carried out in the result column of 'whether the return calibration signal is matched with the test signal'; for the third group of test signals, because the first communication network line and the second communication network line both have faults, marking a result in a result column of whether the return correction signal is matched with the test signal; for the fourth group of test signals, the first communication network cable and the second communication network cable are normal, but the return correction signal received through the first communication network cable is not matched with the test signal, x is marked in the result column of 'whether the return correction signal is matched with the test signal', a check mark is marked in the result column of 'whether the return correction signal is matched with the test signal' through the return correction signal received through the second communication network cable is matched with the test signal.
The invention provides a signal checking method, which is suitable for a protection measurement and control device of a signal checking system, wherein the signal checking system comprises a background monitoring device and a protection measurement and control device, the protection measurement and control device is simultaneously communicated with the background monitoring device through a first communication network cable and a second communication network cable, and the method comprises the following steps: the protection measurement and control device acquires a test signal and simultaneously transmits the test signal to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a return correction signal according to the test signal; and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal. The protection measurement and control device sends a test signal to the background monitoring device and receives a return-to-school signal automatically generated by the background monitoring device, so that the protection measurement and control device generates a test result according to the return-to-school signal and the power supply network staff checks and accepts the test result. Compared with the traditional method for manually checking the signals, the method can realize automatic checking of the signals and improve the working efficiency of the power grid.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a protection measurement and control device according to a third embodiment, as shown in fig. 3, the protection measurement and control device communicates with the background monitoring device through the first communication network line and the second communication network line, and the protection measurement and control device includes: a signal acquisition module 10, a communication module 11 and a test module 12.
A signal obtaining module 10, configured to obtain a test signal;
the communication module 11 is configured to send the test signal to the background monitoring device through the first communication network line and the second communication network line at the same time, so that the background monitoring device automatically generates a return-to-calibration signal according to the test signal;
and the test module 12 is configured to generate a test result according to the return-to-calibration signal if the communication module 11 receives the return-to-calibration signal sent by the background monitoring device.
The protection measurement and control device provided in this embodiment is for implementing the signal checking method of the above embodiment, and the implementation principle and technical effect of the protection measurement and control device provided in this embodiment are similar to those of the above embodiment, and are not described here again.
Optionally, the signal obtaining module 10 is specifically configured to receive a hard-wired test signal input by a user; alternatively, the soft message test signal is automatically generated periodically or aperiodically.
Optionally, with reference to fig. 3, fig. 4 is a schematic structural diagram of another protection measurement and control device provided in the third embodiment, and as shown in fig. 4, the protection measurement and control device further includes: a judging module 13 and a recording module 14;
the judging module 13 is configured to judge whether a return correction signal sent by the background monitoring device is received through the first communication network line and the second communication network line at the same time;
the recording module 14 is configured to record a fault of the first communication network line and normal of the second communication network line if the return correction signal sent by the background monitoring device is not received through the first communication network line and the return correction signal sent by the background monitoring device is received through the second communication network line; if the return correction signal sent by the background monitoring device is received through the first communication network cable and the return correction signal sent by the background monitoring device is not received through the second communication network cable, recording that the first communication network cable is normal and the second communication network cable is in fault; if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the second communication network cable, recording that both the first communication network cable and the second communication network cable are in failure; and if the return correction signals sent by the background monitoring device are received through the first communication network cable and the second communication network cable at the same time, recording that the first communication network cable and the second communication network cable are normal.
Optionally, the test module 12 is specifically configured to determine whether the return correction signal matches the test signal; if the return correction signal is matched with the test signal, generating a first test result, wherein the first test result is used for indicating that the signal check is passed; and if the correction signal is not matched with the test signal, generating a second test result, wherein the second test result is used for indicating that the signal check fails.
Optionally, with reference to fig. 4, fig. 5 is a schematic structural diagram of another protection measurement and control device provided in the third embodiment, and as shown in fig. 5, the protection measurement and control device further includes: a display module 15.
And the display module 15 is configured to generate and display a test report according to the test result after the test module 12 generates the test result.
Example four
Fig. 6 is a schematic structural diagram of a signal checking system according to a fourth embodiment, as shown in fig. 6, the signal checking system includes a background monitoring device 1 and a protection measurement and control device 2 according to any embodiment of the present invention, the protection measurement and control device 2 communicates with the background monitoring device 1 through a first communication network line and a second communication network line, and the protection measurement and control device 2 is configured to execute a signal checking method according to any embodiment of the present invention.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method provided in any embodiment of the present invention.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer-readable storage medium may be, for example but not limited to: an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. Computer-readable storage media include (a non-exhaustive list): an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an erasable programmable Read-Only Memory (EPROM), a flash Memory, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, Radio Frequency (RF), etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, Ruby, Go, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of Network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the internet using an internet service provider).
It will be clear to a person skilled in the art that the term user terminal covers any suitable type of wireless user equipment, such as a mobile phone, a portable data processing device, a portable web browser or a car mounted mobile station.
In general, the various embodiments of the invention may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. For example, some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device, although the invention is not limited thereto.
Embodiments of the invention may be implemented by a data processor of a mobile device executing computer program instructions, for example in a processor entity, or by hardware, or by a combination of software and hardware. The computer program instructions may be assembly instructions, Instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages.
Any logic flow block diagrams in the figures of the present invention may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions. The computer program may be stored on a memory. The memory may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as, but not limited to, Read Only Memory (ROM), Random Access Memory (RAM), optical storage devices and systems (digital versatile disks, DVDs, or CD discs), etc. The computer readable medium may include a non-transitory storage medium. The data processor may be of any type suitable to the local technical environment, such as but not limited to general purpose computers, special purpose computers, microprocessors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Programmable logic devices (FGPAs), and processors based on a multi-core processor architecture.
Claims (10)
1. A signal checking method is characterized in that the signal checking method is suitable for a protection measurement and control device of a signal checking system, the signal checking system comprises a background monitoring device and the protection measurement and control device, the protection measurement and control device is communicated with the background monitoring device through a first communication network cable and a second communication network cable, and the method comprises the following steps:
the protection measurement and control device acquires a test signal and simultaneously transmits the test signal to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a correction signal according to the test signal;
and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal.
2. The signal verification method of claim 1, wherein the obtaining of the test signal by the protection measurement and control device comprises:
the protection measurement and control device receives a hard contact test signal input by a user; alternatively, the first and second electrodes may be,
the protection measurement and control device automatically generates soft message test signals periodically or aperiodically.
3. The signal collating method according to claim 1, further comprising:
the protection measurement and control device judges whether the return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable simultaneously;
if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the return correction signal sent by the background monitoring device is received through the second communication network cable, the protection measurement and control device records the fault of the first communication network cable, and the second communication network cable is normal;
if the return correction signal sent by the background monitoring device is received through the first communication network cable and the return correction signal sent by the background monitoring device is not received through the second communication network cable, the protection measurement and control device records that the first communication network cable is normal and the second communication network cable is in fault;
if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the second communication network cable, the protection measurement and control device records that both the first communication network cable and the second communication network cable are in failure;
and if the return correction signal sent by the background monitoring device is received by the first communication network cable and the second communication network cable at the same time, the protection measurement and control device records that the first communication network cable and the second communication network cable are normal.
4. The signal verification method of claim 1, wherein the generating of the test result by the protection measurement and control device according to the recalibration signal comprises:
the protection measurement and control device judges whether the correction signal is matched with the test signal;
if the correction signal is matched with the test signal, the protection measurement and control device generates a first test result, and the first test result is used for indicating that the signal check is passed;
and if the correction signal is not matched with the test signal, the protection measurement and control device generates a second test result, and the second test result is used for indicating that the signal check fails.
5. The signal verification method according to claim 1, wherein after the protection measurement and control device generates the test result, the method further comprises:
and the protection measurement and control device generates and displays a test report according to the test result.
6. The utility model provides a protection measurement and control device, its characterized in that, protection measurement and control device communicates with backstage monitoring device simultaneously through first communication network line and second communication network line, protection measurement and control device includes: the device comprises a signal acquisition module, a communication module and a test module;
the signal acquisition module is used for acquiring a test signal;
the communication module is used for simultaneously sending the test signal to the background monitoring device through the first communication network cable and the second communication network cable so that the background monitoring device automatically generates a correction signal according to the test signal;
and the test module is used for generating a test result according to the return correction signal if the communication module receives the return correction signal sent by the background monitoring device.
7. The protection measurement and control device according to claim 6, further comprising: the device comprises a judging module and a recording module;
the judging module is used for judging whether the return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable simultaneously;
the recording module is configured to record a fault of the first communication network line if the return correction signal sent by the background monitoring device is not received through the first communication network line and the return correction signal sent by the background monitoring device is received through the second communication network line, and the second communication network line is normal; if the return correction signal sent by the background monitoring device is received through the first communication network cable and the return correction signal sent by the background monitoring device is not received through the second communication network cable, recording that the first communication network cable is normal and the second communication network cable is in fault; if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the second communication network cable, recording that both the first communication network cable and the second communication network cable are in fault; and if the return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable at the same time, recording that the first communication network cable and the second communication network cable are normal.
8. The protection and monitoring device of claim 6,
the test module is specifically used for judging whether the return correction signal is matched with the test signal; if the correction signal is matched with the test signal, generating a first test result, wherein the first test result is used for indicating that the signal check is passed; and if the correction signal is not matched with the test signal, generating a second test result, wherein the second test result is used for indicating that the signal check fails.
9. A signal checking system, comprising a background monitoring device and a protection measurement and control device having any one of the features of claims 6 to 8, wherein the protection measurement and control device communicates with the background monitoring device through a first communication network line and a second communication network line simultaneously, and the protection measurement and control device is configured to perform the signal checking method of any one of claims 1 to 5.
10. A computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the signal collating method according to any one of claims 1 to 5.
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