CN117636597A - Accident total signal synthesis method and device based on remote communication network shutdown - Google Patents
Accident total signal synthesis method and device based on remote communication network shutdown Download PDFInfo
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Abstract
The application relates to the technical field of a telecontrol communication gateway machine, in particular to a method and a device for synthesizing total accident signals based on the shutdown of a telecontrol communication network. The communication network is powered off to generate an initial accident signal feedback data packet of the monitoring area according to a preset feedback period; the signal processing unit generates an accident total signal data packet according to the initial accident signal feedback data packet and sends the accident total signal data packet to the dispatching master station; and feeding back the data packet according to the initial accident signal to generate an operation evaluation value of the monitoring area, and correcting the feedback period according to the operation evaluation value. By additionally arranging the accident total signal synthesis device, the accident total signal is generated by collecting the accident signal in the power-off database of the telecontrol communication network and carrying out logic processing, so that the accident total signal at the station side can be uploaded to the dispatching master station accurately in real time. Avoiding the error judgment of equipment faults caused by the abnormality of total accident signals, missing report and error report during shutdown. And the safe and stable operation of the power grid is ensured.
Description
Technical Field
The application relates to the technical field of a telecontrol communication gateway machine, in particular to a method and a device for synthesizing total accident signals based on the shutdown of a telecontrol communication network.
Background
The total power plant accident signal is used as a total alarm signal when a power plant accident trips, is a necessary condition for fault diagnosis of a dispatching master station, and directly influences the accuracy of fault alarm of the master station equipment, thereby influencing the dispatching operation monitoring of a power grid.
But at present, the accident signals of the power plant are mainly transmitted through a data communication network shutdown, and the data communication network shutdown can realize communication between the intelligent transformer substation and a master station system for dispatching, production and the like, so that data, model and graphic transmission services are provided for the master station system to realize functions of monitoring control, information inquiry, remote browsing and the like of the intelligent transformer substation. But cannot meet the synthetic requirements of the total signal of the accident.
Disclosure of Invention
The purpose of the present application is: in order to solve the technical problems, the application provides an accident total signal synthesis method and device based on the remote communication network shutdown, which aim to meet the synthesis of the accident total signal of a power plant.
In some embodiments of the present application, by adding the accident total signal synthesis device, by collecting the accident signals in the power-off database of the telecontrol communication network, the accident total signals are logically processed and generated, so that the accident total signals at the station side can be uploaded to the dispatching master station accurately in real time. Avoiding the error judgment of equipment faults caused by the abnormality of total accident signals, missing report and error report during shutdown. The accident alarming accuracy rate of the power plant and the power grid operation monitoring level are improved, and the safe and stable operation of the power grid is ensured.
In some embodiments of the present application, an accident total signal synthesis method based on power-off of a telecontrol communication network is provided, including:
the communication network is powered off to generate an initial accident signal feedback data packet of the monitoring area according to a preset feedback period;
the signal processing unit generates an accident total signal data packet according to the initial accident signal feedback data packet and sends the accident total signal data packet to the dispatching master station;
and generating an operation evaluation value of a monitoring area according to the initial accident signal feedback data packet, and correcting a feedback period according to the operation evaluation value.
In some embodiments of the present application, when generating an initial accident signal feedback packet of the monitoring area, the method includes:
acquiring all operation devices of a monitoring area, and establishing an operation device array F, F= (F1, F2 … fn), wherein n is the number of operation devices, and fi is the ith operation device;
setting a feedback time node according to the feedback period;
according to the feedback time node, accident signal data of each operation device in the current feedback period are selected from a data communication gateway machine database;
and generating an initial accident signal feedback data packet according to the accident signal data of all the running devices.
In some embodiments of the present application, when generating an accident total signal data packet according to the initial accident signal feedback data packet, the method includes:
establishing an accident signal processing model;
generating a processing sequence according to the parameters of the operation equipment, and sequentially selecting target operation equipment according to the processing sequence;
acquiring accident signal data of target operation equipment in an initial accident signal feedback data packet, screening abnormal signals in the accident signal feedback data packet according to an accident signal processing model, and generating an abnormal signal curve of the target equipment;
generating an initial evaluation value a of the target equipment according to the abnormal signal curve;
establishing an initial evaluation value array A, A= (a 1, a2 … an), wherein n is the number of running devices, and ai is the initial evaluation value of the ith target device;
establishing an operation equipment association model according to operation equipment parameters, generating a correction coefficient b according to the operation equipment association model, and generating a risk evaluation value c of target equipment according to the correction coefficient b and the initial evaluation value a, wherein c=b×a;
and generating accident total signal data packets according to the abnormal signal curves of all the devices.
In some embodiments of the present application, when generating the initial evaluation value a of the target device according to the abnormal signal curve, the method includes:
acquiring the total number of abnormal signals and the duration of a single abnormal signal according to an abnormal signal curve;
establishing an abnormal signal number sequence D, D= (D1, D2 … dm), wherein m is the total number of abnormal signals, and di is the duration of the ith abnormal signal;
generating evaluation values of the abnormal signals according to the abnormal signal number sequence D;
the initial evaluation value a is generated from the evaluation values of all the abnormal signals.
In some embodiments of the present application, when generating the correction coefficient b according to the running equipment association model, the method includes:
according to the running equipment array F, sequentially selecting target running equipment;
generating a relevance evaluation value G, G= (G1, G2 … gn) of the target operation device, wherein gi is the relevance evaluation value between the target device and the ith operation device;
presetting a correlation evaluation value threshold delta g;
if gi is more than deltag, setting the ith operation equipment as the associated equipment of the target operation equipment;
and generating a correction evaluation value e of the target associated equipment according to the initial evaluation values of all the associated equipment, and setting a correction coefficient b according to the correction evaluation value e.
In some embodiments of the present application, when setting the correction coefficient b according to the correction evaluation value e, the method includes:
presetting a first correction evaluation value interval (E1, E2), a second correction evaluation value interval (E2, E3) and a third correction evaluation value interval (E3, E4);
if the correction evaluation value e is in the first correction evaluation value interval, setting the correction coefficient b to be a preset first correction coefficient b1, that is, b=b1; if the correction evaluation value e is in the second correction evaluation value interval, setting the correction coefficient b to be a preset second correction coefficient b2, that is, b=b2; if the correction evaluation value e is in the third correction evaluation value interval, the correction coefficient b is set to be a preset third correction coefficient b3, that is, b=b3, and 1 < b2 < b3.
In some embodiments of the present application, when the positive feedback period is modified according to the operational evaluation value:
establishing a risk evaluation value sequence C, C= (C1, C2 … cn), wherein n is the number of running devices, and ci is the risk evaluation value of the ith running device;
presetting a risk evaluation value threshold delta c;
if ci is larger than deltac, setting the ith operation equipment as first-level risk equipment, acquiring the number n1 of the first-level risk equipment, and setting a compensation coefficient h according to the number n1 of the first-level risk equipment;
an operation evaluation value k is generated,
and correcting the duration t of the next feedback period according to the operation evaluation value k.
In some embodiments of the present application, when correcting the duration t of the next feedback period according to the operation evaluation value k, the method includes:
presetting a first operation evaluation value interval (K1, K2), a second operation evaluation value interval (K2, K3) and a third operation evaluation value interval (K3, K4);
if the operation evaluation value k is in the first operation evaluation value interval, setting the duration T of the next feedback period as the preset first feedback period duration T1, namely t=t1; if the operation evaluation value k is in the second operation evaluation value interval, setting the duration T of the next feedback period as the preset second feedback period duration T2, namely t=t2; if the operation evaluation value k is in the third operation evaluation value interval, setting the duration T of the next feedback period as a preset third feedback period duration T3, i.e. t=t3, and T3 < T2 < T1.
In some embodiments of the present application, an accident total signal synthesis apparatus based on a power-off of a telecontrol communications network is provided, including:
the signal receiving unit is used for receiving an initial accident signal feedback data packet of a monitoring area generated by the shutdown of the communication network according to a preset feedback period;
the signal processing unit is used for generating an accident total signal data packet according to the initial accident signal feedback data packet and sending the accident total signal data packet to the dispatching master station;
the signal processing unit is also used for feeding back a data packet according to the initial accident signal to generate an operation evaluation value of the monitoring area, and correcting a feedback period according to the operation evaluation value.
In some embodiments of the present application, the signal processing unit includes:
the first processing module is used for establishing an accident signal processing model;
the first processing module is also used for generating a processing sequence according to the parameters of the operation equipment and sequentially selecting target operation equipment according to the processing sequence;
the first processing module is also used for acquiring accident signal data of the target operation equipment in the initial accident signal feedback data packet, screening abnormal signals in the initial accident signal feedback data packet according to the accident signal processing model, and generating an abnormal signal curve of the target equipment;
the second processing module generates an initial evaluation value a of the target equipment according to the abnormal signal curve;
the second processing module is further configured to establish an initial evaluation value array a, a= (a 1, a2 … an), where n is the number of running devices, and ai is the initial evaluation value of the ith target device;
the third processing module is used for establishing an operation equipment association model according to operation equipment parameters, generating a correction coefficient b according to the operation equipment association model, and generating a risk evaluation value c of the target equipment according to the correction coefficient b and the initial evaluation value a, wherein c=b_a;
and the fourth processing module is used for generating accident total signal data packets according to the abnormal signal curves of all the devices.
Compared with the prior art, the accident total signal synthesis method and device based on the remote communication network shutdown have the beneficial effects that:
by additionally arranging the accident total signal synthesis device, the accident total signal is generated by collecting the accident signal in the power-off database of the telecontrol communication network and carrying out logic processing, so that the accident total signal at the station side can be uploaded to the dispatching master station accurately in real time. Avoiding the error judgment of equipment faults caused by the abnormality of total accident signals, missing report and error report during shutdown. The accident alarming accuracy rate of the power plant and the power grid operation monitoring level are improved, and the safe and stable operation of the power grid is ensured.
Drawings
Fig. 1 is a flow chart of an accident total signal synthesizing method based on the shutdown of a telecontrol communication network in a preferred embodiment of the present application.
Detailed Description
The detailed description of the present application is further described in detail below with reference to the drawings and examples. The following examples are illustrative of the present application, but are not intended to limit the scope of the present application.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1, an accident total signal synthesis method based on power-off of a telecontrol communication network according to a preferred embodiment of the present application includes:
s101: the communication network is powered off to generate an initial accident signal feedback data packet of the monitoring area according to a preset feedback period;
s102: the signal processing unit generates an accident total signal data packet according to the initial accident signal feedback data packet and sends the accident total signal data packet to the dispatching master station;
s103: and feeding back the data packet according to the initial accident signal to generate an operation evaluation value of the monitoring area, and correcting the feedback period according to the operation evaluation value.
Specifically, when generating an initial accident signal feedback data packet of the monitoring area, the method comprises the following steps:
acquiring all operation devices of a monitoring area, and establishing an operation device array F, F= (F1, F2 … fn), wherein n is the number of operation devices, and fi is the ith operation device;
setting a feedback time node according to the feedback period;
according to the feedback time node, accident signal data of each operation device in the current feedback period are selected from a data communication gateway machine database;
and generating an initial accident signal feedback data packet according to the accident signal data of all the running devices.
Specifically, the accident signal includes: the operating device includes each electrical compartment and a switch opening.
Specifically, the protection tripping signal and the switch opening position signal of each electrical interval are connected into the data communication gateway machine acquisition system in a remote control system remote signaling mode. The protection tripping signal and the switch opening position signal of each electrical interval are selected in the data communication gateway machine database, and the signals are transmitted to the accident total signal synthesizing device by using the special power protocol. The accident total signal synthesis device transmits the accident total signal after logic processing to the data communication network for shutdown by using a power special protocol. The data communication network is powered off to transmit the received accident total signal to the dispatching master station.
In a preferred embodiment of the present application, when generating an accident total signal data packet according to an initial accident signal feedback data packet, the method includes:
establishing an accident signal processing model;
generating a processing sequence according to the parameters of the operation equipment, and sequentially selecting target operation equipment according to the processing sequence;
acquiring accident signal data of target operation equipment in an initial accident signal feedback data packet, screening abnormal signals in the accident signal feedback data packet according to an accident signal processing model, and generating an abnormal signal curve of the target equipment;
generating an initial evaluation value a of the target equipment according to the abnormal signal curve;
establishing an initial evaluation value array A, A= (a 1, a2 … an), wherein n is the number of running devices, and ai is the initial evaluation value of the ith target device;
establishing an operation equipment association model according to the operation equipment parameters, generating a correction coefficient b according to the operation equipment association model, and generating a risk evaluation value c of the target equipment according to the correction coefficient b and the initial evaluation value a, wherein c=b_a;
and generating accident total signal data packets according to the abnormal signal curves of all the devices.
Specifically, the higher the risk evaluation value is, the greater the possibility that the corresponding current running equipment has accident risk is, and when the accident total signal data packet is generated, the abnormal signal curves are ordered according to the height of the risk evaluation value, so that the scheduling master station can conveniently judge the equipment faults in time. The accident alarming accuracy rate of the power plant and the power grid operation monitoring level are improved, and the safe and stable operation of the power grid is ensured.
Specifically, when generating the initial evaluation value a of the target device from the abnormal signal curve, it includes:
acquiring the total number of abnormal signals and the duration of a single abnormal signal according to an abnormal signal curve;
establishing an abnormal signal number sequence D, D= (D1, D2 … dm), wherein m is the total number of abnormal signals, and di is the duration of the ith abnormal signal;
generating evaluation values of the abnormal signals according to the abnormal signal number sequence D;
the initial evaluation value a is generated from the evaluation values of all the abnormal signals.
Specifically, an accident signal processing model can be established according to historical data, the accident signal processing model screens signal data fed back by a single operation device, abnormal signal data are selected from the signal data, and an abnormal signal curve in a current feedback period is generated according to time sequence.
In a preferred embodiment of the present application, when generating the correction coefficient b according to the running device association model, the method includes:
according to the running equipment array F, sequentially selecting target running equipment;
generating a relevance evaluation value G, G= (G1, G2 … gn) of the target operation device, wherein gi is the relevance evaluation value between the target device and the ith operation device;
presetting a correlation evaluation value threshold delta g;
if gi is more than deltag, setting the ith operation equipment as the associated equipment of the target operation equipment;
specifically, a relevance evaluation value is generated according to the operation relation and the position relation among the operation devices, and the higher the relevance evaluation value is, the higher the possibility that the corresponding associated device has an accident when the target device has the accident is.
And generating a correction evaluation value e of the target associated equipment according to the initial evaluation values of all the associated equipment, and setting a correction coefficient b according to the correction evaluation value e.
Specifically, setting the correction coefficient b based on the correction evaluation value e includes:
presetting a first correction evaluation value interval (E1, E2), a second correction evaluation value interval (E2, E3) and a third correction evaluation value interval (E3, E4);
if the correction evaluation value e is in the first correction evaluation value interval, setting the correction coefficient b to be a preset first correction coefficient b1, that is, b=b1; if the correction evaluation value e is in the second correction evaluation value interval, setting the correction coefficient b to be a preset second correction coefficient b2, that is, b=b2; if the corrected evaluation value e is in the third corrected evaluation value interval, setting the correction coefficient b to be a preset third correction coefficient b3, i.e., b=b3, and 1 < b2 < b3,
specifically, the correspondence relationship between the correction evaluation value section and the correction coefficient may be set based on the history data.
In the preferred embodiment of the present application, when the positive feedback period is corrected according to the operation evaluation value:
establishing a risk evaluation value sequence C, C= (C1, C2 … cn), wherein n is the number of running devices, and ci is the risk evaluation value of the ith running device;
presetting a risk evaluation value threshold delta c;
if ci is larger than deltac, setting the ith operation equipment as first-level risk equipment, acquiring the number n1 of the first-level risk equipment, and setting a compensation coefficient h according to the number n1 of the first-level risk equipment;
an operation evaluation value k is generated,
and correcting the duration t of the next feedback period according to the operation evaluation value k.
Specifically, the larger the operation evaluation value k, the greater the possibility that the accident risk exists on the current factory floor side.
Specifically, the risk evaluation value threshold Δc may be set according to historical data, and the primary risk device refers to the current device that may happen an accident at any time. And the maintenance is needed to be carried out in time, so that the fault is eliminated.
Specifically, when the duration t of the next feedback period is corrected according to the operation evaluation value k, it includes:
presetting a first operation evaluation value interval (K1, K2), a second operation evaluation value interval (K2, K3) and a third operation evaluation value interval (K3, K4);
if the operation evaluation value k is in the first operation evaluation value interval, setting the duration T of the next feedback period as the preset first feedback period duration T1, namely t=t1; if the operation evaluation value k is in the second operation evaluation value interval, setting the duration T of the next feedback period as the preset second feedback period duration T2, namely t=t2; if the operation evaluation value k is in the third operation evaluation value interval, setting the duration T of the next feedback period as a preset third feedback period duration T3, i.e. t=t3, and T3 < T2 < T1.
Specifically, an operation evaluation value interval can be set according to historical data, and the total accident signal can be obtained by the scheduling master station more timely by dynamically adjusting the feedback period time, so that the accident alarm accuracy of the power plant and the operation monitoring level of the power grid are improved, and the safe and stable operation of the power grid is ensured.
Based on another preferred embodiment of the foregoing method for synthesizing an accident total signal based on power-off of a telecontrol communications network in any one of the preferred embodiments, in this preferred embodiment, an accident total signal synthesizing apparatus based on power-off of a telecontrol communications network is provided, including:
the signal receiving unit is used for receiving an initial accident signal feedback data packet of a monitoring area generated by the shutdown of the communication network according to a preset feedback period;
the signal processing unit is used for generating an accident total signal data packet according to the initial accident signal feedback data packet and sending the accident total signal data packet to the dispatching master station;
the signal processing unit is also used for feeding back the data packet according to the initial accident signal to generate an operation evaluation value of the monitoring area, and correcting the feedback period according to the operation evaluation value.
Specifically, the signal processing unit includes:
the first processing module is used for establishing an accident signal processing model;
the first processing module is also used for generating a processing sequence according to the parameters of the operation equipment and sequentially selecting target operation equipment according to the processing sequence;
the first processing module is also used for acquiring accident signal data of the target operation equipment in the initial accident signal feedback data packet, screening abnormal signals in the accident signal feedback data packet according to the accident signal processing model, and generating an abnormal signal curve of the target equipment;
the second processing module generates an initial evaluation value a of the target equipment according to the abnormal signal curve;
the second processing module is further configured to establish an initial evaluation value array a, a= (a 1, a2 … an), where n is the number of running devices, and ai is the initial evaluation value of the ith target device;
the third processing module is used for establishing an operation equipment association model according to the operation equipment parameters, generating a correction coefficient b according to the operation equipment association model, and generating a risk evaluation value c of the target equipment according to the correction coefficient b and the initial evaluation value a, wherein c=b×a;
and the fourth processing module is used for generating accident total signal data packets according to the abnormal signal curves of all the devices.
According to the first conception, by additionally arranging the accident total signal synthesis device, the accident total signal is generated by collecting the accident signals in the power-off database of the telecontrol communication network and performing logic processing, so that the accident total signal at the station side can be uploaded to the dispatching master station accurately in real time. Avoiding the error judgment of equipment faults caused by the abnormality of total accident signals, missing report and error report during shutdown. The accident alarming accuracy rate of the power plant and the power grid operation monitoring level are improved, and the safe and stable operation of the power grid is ensured.
The foregoing is merely a preferred embodiment of the present application and it should be noted that modifications and substitutions will now occur to those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered to be within the scope of the present application.
Claims (10)
1. The total accident signal synthesis method based on the power-off of the telecontrol communication network is characterized by comprising the following steps of:
the communication network is powered off to generate an initial accident signal feedback data packet of the monitoring area according to a preset feedback period;
the signal processing unit generates an accident total signal data packet according to the initial accident signal feedback data packet and sends the accident total signal data packet to the dispatching master station;
and generating an operation evaluation value of a monitoring area according to the initial accident signal feedback data packet, and correcting a feedback period according to the operation evaluation value.
2. The method for synthesizing total accident signals based on power-off of a telecontrol communication network according to claim 1, wherein when generating an initial accident signal feedback data packet of a monitoring area, the method comprises:
acquiring all operation devices of a monitoring area, and establishing an operation device array F, F= (F1, F2 … fn), wherein n is the number of operation devices, and fi is the ith operation device;
setting a feedback time node according to the feedback period;
according to the feedback time node, accident signal data of each operation device in the current feedback period are selected from a data communication gateway machine database;
and generating an initial accident signal feedback data packet according to the accident signal data of all the running devices.
3. The method for synthesizing total accident signal based on power-off of telecontrol communication network as claimed in claim 2, wherein when generating total accident signal data packet according to said initial accident signal feedback data packet, comprising:
establishing an accident signal processing model;
generating a processing sequence according to the parameters of the operation equipment, and sequentially selecting target operation equipment according to the processing sequence;
acquiring accident signal data of target operation equipment in an initial accident signal feedback data packet, screening abnormal signals in the accident signal feedback data packet according to an accident signal processing model, and generating an abnormal signal curve of the target equipment;
generating an initial evaluation value a of the target equipment according to the abnormal signal curve;
establishing an initial evaluation value array A, A= (a 1, a2 … an), wherein n is the number of running devices, and ai is the initial evaluation value of the ith target device;
establishing an operation equipment association model according to operation equipment parameters, generating a correction coefficient b according to the operation equipment association model, and generating a risk evaluation value c of target equipment according to the correction coefficient b and the initial evaluation value a, wherein c=b×a;
and generating accident total signal data packets according to the abnormal signal curves of all the devices.
4. The method for synthesizing total accident signals based on the shutdown of a telecontrol communication network as claimed in claim 3, wherein when generating the initial evaluation value a of the target device according to the abnormal signal curve, the method comprises the steps of:
acquiring the total number of abnormal signals and the duration of a single abnormal signal according to an abnormal signal curve;
establishing an abnormal signal number sequence D, D= (D1, D2 … dm), wherein m is the total number of abnormal signals, and di is the duration of the ith abnormal signal;
generating evaluation values of the abnormal signals according to the abnormal signal number sequence D;
the initial evaluation value a is generated from the evaluation values of all the abnormal signals.
5. The method for synthesizing total accident signals based on the shutdown of a telecontrol communication network according to claim 4, wherein when generating the correction coefficient b according to the operation equipment association model, the method comprises:
according to the running equipment array F, sequentially selecting target running equipment;
generating a relevance evaluation value G, G= (G1, G2 … gn) of the target operation device, wherein gi is the relevance evaluation value between the target device and the ith operation device;
presetting a correlation evaluation value threshold delta g;
if gi is more than deltag, setting the ith operation equipment as the associated equipment of the target operation equipment;
and generating a correction evaluation value e of the target associated equipment according to the initial evaluation values of all the associated equipment, and setting a correction coefficient b according to the correction evaluation value e.
6. The method for synthesizing total accident signals based on the shutdown of a telecontrol communication network according to claim 5, wherein when setting the correction coefficient b according to the correction evaluation value e, the method comprises:
presetting a first correction evaluation value interval (E1, E2), a second correction evaluation value interval (E2, E3) and a third correction evaluation value interval (E3, E4);
if the correction evaluation value e is in the first correction evaluation value interval, setting the correction coefficient b to be a preset first correction coefficient b1, that is, b=b1; if the correction evaluation value e is in the second correction evaluation value interval, setting the correction coefficient b to be a preset second correction coefficient b2, that is, b=b2; if the correction evaluation value e is in the third correction evaluation value interval, the correction coefficient b is set to be a preset third correction coefficient b3, that is, b=b3, and 1 < b2 < b3.
7. The total signal synthesis method for an accident based on the shutdown of a telecontrol communication network according to claim 6, wherein when the positive feedback period is corrected according to the operation evaluation value:
establishing a risk evaluation value sequence C, C= (C1, C2 … cn), wherein n is the number of running devices, and ci is the risk evaluation value of the ith running device;
presetting a risk evaluation value threshold delta c;
if ci is larger than deltac, setting the ith operation equipment as first-level risk equipment, acquiring the number n1 of the first-level risk equipment, and setting a compensation coefficient h according to the number n1 of the first-level risk equipment;
an operation evaluation value k is generated,
and correcting the duration t of the next feedback period according to the operation evaluation value k.
8. The method for synthesizing total accident signals based on the shutdown of a telecontrol communication network according to claim 7, wherein when the duration t of the next feedback period is corrected according to the operation evaluation value k, the method comprises the steps of:
presetting a first operation evaluation value interval (K1, K2), a second operation evaluation value interval (K2, K3) and a third operation evaluation value interval (K3, K4);
if the operation evaluation value k is in the first operation evaluation value interval, setting the duration T of the next feedback period as the preset first feedback period duration T1, namely t=t1; if the operation evaluation value k is in the second operation evaluation value interval, setting the duration T of the next feedback period as the preset second feedback period duration T2, namely t=t2; if the operation evaluation value k is in the third operation evaluation value interval, setting the duration T of the next feedback period as a preset third feedback period duration T3, i.e. t=t3, and T3 < T2 < T1.
9. An accident total signal synthesis device based on the remote communication network shutdown is characterized by comprising:
the signal receiving unit is used for receiving an initial accident signal feedback data packet of a monitoring area generated by the shutdown of the communication network according to a preset feedback period;
the signal processing unit is used for generating an accident total signal data packet according to the initial accident signal feedback data packet and sending the accident total signal data packet to the dispatching master station;
the signal processing unit is also used for feeding back a data packet according to the initial accident signal to generate an operation evaluation value of the monitoring area, and correcting a feedback period according to the operation evaluation value.
10. The total signal synthesis apparatus for accident based on the shutdown of the telecontrol communication network according to claim 9, wherein the signal processing unit includes:
the first processing module is used for establishing an accident signal processing model;
the first processing module is also used for generating a processing sequence according to the parameters of the operation equipment and sequentially selecting target operation equipment according to the processing sequence;
the first processing module is also used for acquiring accident signal data of the target operation equipment in the initial accident signal feedback data packet, screening abnormal signals in the initial accident signal feedback data packet according to the accident signal processing model, and generating an abnormal signal curve of the target equipment;
the second processing module generates an initial evaluation value a of the target equipment according to the abnormal signal curve;
the second processing module is further configured to establish an initial evaluation value array a, a= (a 1, a2 … an), where n is the number of running devices, and ai is the initial evaluation value of the ith target device;
the third processing module is used for establishing an operation equipment association model according to operation equipment parameters, generating a correction coefficient b according to the operation equipment association model, and generating a risk evaluation value c of the target equipment according to the correction coefficient b and the initial evaluation value a, wherein c=b_a;
and the fourth processing module is used for generating accident total signal data packets according to the abnormal signal curves of all the devices.
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