CN111526330A - An intelligent recognition system for substation equipment status based on machine vision - Google Patents

Abstract

The invention discloses a machine vision-based intelligent identification system for substation equipment status, comprising: an intelligent inspection and monitoring platform, a video server, an intelligent image identification server, and a monitoring terminal. The intelligent inspection and monitoring platform is respectively connected with the intelligent image identification server, The video server is connected in communication, the monitoring terminal is connected to the video server, the intelligent identification system of the equipment status of the substation is connected with the SCADA system through the forward isolation device and the reverse isolation device, and the intelligent inspection monitoring platform is used for inspection video. Monitoring management, the intelligent image recognition server is used to perform image recognition on the switching state of the substation equipment and output the recognition result, and the video server is used to control the video monitoring terminal and cache the video and images collected by the video monitoring terminal. For capturing video and images of substation equipment. The invention improves the inspection efficiency and quality, ensures personal safety, and improves the operation and maintenance level of substation equipment.

Description

An intelligent recognition system for substation equipment status based on machine vision

technical field

The invention relates to the field of substation equipment state monitoring, and more particularly, to a machine vision-based intelligent identification system for the state of substation equipment.

Background technique

At present, the state identification of substation equipment mainly adopts the manual checking method, which has the following problems: (1) The operation efficiency is low. Although the substation has generally adopted the unattended mode, when the remote control of the equipment is performed, the equipment site still needs to arrange staff to confirm the equipment status item by item according to the operation progress, which reduces the work efficiency of the switching operation. ②The work quality is not high. There are a large number of equipment in the substation. The workload of the equipment status check after the switch-off operation, the equipment status check of the regular inspection of the equipment or the special inspection of the equipment is relatively large, and the work repetition rate is high, which is easy to make the staff tired and lead to work. The quality is unstable, resulting in missed judgment and misjudgment of equipment status. ③ It is difficult to guarantee the safety of inspectors. The inspection equipment is generally high-voltage live equipment. In the event of an explosion caused by a short-circuit fault of the equipment, personal safety accidents will occur.

In recent years, with the vigorous development of video surveillance technology and information technology in China, remote monitoring systems for substations have been widely used, but such remote monitoring systems are still mainly used as auxiliary tools to provide real-time monitoring screen previews on the scene. The automatic analysis function of video content, the device status still relies on manual verification. To this end, it is necessary to develop an intelligent identification system for the status of substation equipment to realize remote intelligent identification of the status of substation switches and knife gates.

SUMMARY OF THE INVENTION

The present invention provides a machine vision-based intelligent identification system for the state of substation equipment in order to overcome the above-mentioned defects in the prior art that the state identification of substation equipment relies on manual labor, low operation efficiency and low work quality.

The primary purpose of the present invention is to solve the above-mentioned technical problems, and the technical scheme of the present invention is as follows:

A machine vision-based intelligent identification system for substation equipment status, comprising: an intelligent inspection and monitoring platform, a video server, an intelligent image recognition server, and a monitoring terminal, wherein the intelligent inspection and monitoring platform communicates with the intelligent image identification server and the video server respectively. connection, the monitoring terminal is connected to the video server, the substation equipment status intelligent identification system is connected to the SCADA system through the forward isolation device and the reverse isolation device, the SCADA system is the data acquisition and monitoring control system, the intelligent patrol system The inspection and monitoring platform is used for monitoring and management of inspection video, the intelligent image recognition server is used to perform image recognition on the switching state of the substation equipment and output the recognition result, and the video server is used to control the video monitoring terminal and cache the video monitoring terminal. The collected video and image, the video surveillance terminal is used to collect the video and image of the substation equipment.

In this solution, the monitoring terminal includes: a card camera, a white light pan-tilt camera, and an infrared barrel camera.

In this solution, the functional units included in the substation equipment status intelligent identification system include: equipment status intelligent identification unit, equipment status intelligent inspection unit, and system management unit;

The equipment status intelligent recognition unit performs image recognition on the status of the substation switches and knife gate equipment respectively, extracts the features of the substation switches and knife gate equipment, and realizes the identification of the opening and closing positions of the substation switches and knife gate equipment through feature comparison. When the equipment is preset by remote control, the intelligent identification system of the equipment status of the substation will send the identification result to the SCADA system, and output the images of the switch and switch equipment of the substation to the intelligent inspection monitoring platform. , The substation equipment status intelligent identification system obtains the image information of the substation switch and knife gate equipment and judges whether the equipment status is consistent with the remote control command, and feeds the result back to the SCADA system;

The equipment status intelligent inspection unit includes three inspection methods: regular inspection, custom inspection, and special inspection. The self-defined inspection means that the user can customize the inspection task for inspection; the special inspection is used for inspection when the substation equipment is abnormal, remote control operation, equipment state change, alarm, and protection action tripping. The inspection results are sent to the SCADA system, and at the same time, the monitoring terminal is started to take pictures and snapshots of the substation equipment;

The system management unit is used for historical task query, inspection report query, video display, and statistical analysis of historical alarm records.

In this solution, the regular inspection task can customize the inspection cycle, inspection content, and inspection sequence;

Custom inspection tasks can add equipment inspection tasks at any time.

In this scheme, the judgment process of the switch state is as follows:

Obtaining judgment data, the judgment data includes: switch position remote signaling, switch telemetry data, and switch position recognized by the intelligent image recognition server based on the image;

The switch position remote signal is the switch opening and closing position collected by the station-side SCADA system;

The switch telemetry data is the three-phase current or voltage of the switch collected by the SCADA system at the station;

The intelligent image recognition server recognizes the switch state by analyzing the different characteristic information of the switch in the opening position and the closing position indicator;

The switch position state is obtained according to the preset switch judgment logic.

In this solution, the preset switch judgment logic is:

When the remote signal of the switch position is changed from closing to opening, the switch position recognized by the intelligent image recognition server is quantized, and the three-phase current is changed from presence to absence, the bus voltage is changed from presence to absence, and the line voltage is changed from presence to absence. One condition, then confirm that the switch position is the quantile;

When the remote signal of the switch position changes from open to closed, the switch position recognized by the intelligent image recognition server is closed, and the three-phase current changes from nothing to existence, the bus voltage changes from nothing to existence, and the line voltage changes from nothing to existence. One condition, then confirm that the switch position is the closed position;

If the opening and closing position of the switch does not meet the criteria of the sectional state and the closing state at the same time, it will report that the switch position is abnormal, and remind the staff to go to the site to check and eliminate the defect.

In this scheme, the judgment process of the state of the knife gate equipment is as follows:

Obtain the position data of the knife gate identified by the remote signalling of the knife gate position and the intelligent image recognition server;

Among them, the knife switch position remote signal is the knife switch opening and closing position collected by the station SCADA system;

The intelligent image recognition server recognizes the opening and closing status of the knife switch by analyzing the different characteristic information of the knife switch when it is in the opening position and the closing position;

The position status of the knife gate is obtained according to the preset knife gate judgment logic.

In this solution, the preset knife gate judgment logic is:

When the remote signal of the knife switch position changes from closing to opening and the position of the knife switch recognized by the intelligent image recognition server is the quantile position, then confirm that the knife switch position is the quantile position;

When the remote signal of the knife switch is changed from open to closed and the position of the knife switch recognized by the intelligent image recognition server is the closed position, then the knife switch position is confirmed to be the closed position;

If the opening and closing position of the knife switch does not meet the criteria of the sub-position state and the closing state at the same time, the abnormal position of the knife gate will be reported, and the staff will be reminded to check and eliminate the defect on site.

In this solution, the substation equipment status intelligent identification system can realize data communication with the SCADA system through the power 104 protocol and IEC61850 protocol, and the substation equipment status intelligent identification system can realize the video of the equipment status by receiving the remote control, remote signaling and telemetry data of the SCADA system. linkage.

In this solution, the video linkage includes: remote control operation video linkage, intelligent verification of remote control operation, and remote control operation video linkage includes:

After the SCADA system sends the remote operation command, the intelligent identification system of the equipment status of the substation immediately controls the monitoring terminal to switch to the designated position through the intelligent inspection monitoring platform, and pops up the corresponding equipment video in the video monitoring window; Send it to the SCADA system to remind the operator whether the switch and knife switch are in place, so that the remote operator can comprehensively analyze and judge the operation process and real-time status of the equipment;

The specific process of intelligent verification of remote control operation is as follows: after the SCADA system sends a remote control preset command to the equipment, the intelligent identification system of the equipment status of the substation can remotely signal the operation data and equipment status of the main transformer, switch, switch, ground switch and other equipment. . Intelligent analysis of equipment status image information to judge whether the status of substation equipment is consistent with remote control instructions and remote signaling results, and real-time alarm if abnormal.

Compared with the prior art, the beneficial effects of the technical solution of the present invention are:

The invention realizes the state identification of the substation equipment by constructing the substation equipment state intelligent identification system, and utilizes the information exchange with the SCADA system, improves the inspection efficiency and quality, ensures the personal safety, and improves the operation and maintenance level of the substation equipment.

Description of drawings

Fig. 1 is a system block diagram of the present invention.

Fig. 2 is a working flow chart of the intelligent identification system for equipment status of a substation according to the present invention.

FIG. 3 is a logic diagram of comprehensive judgment of the switch state of the present invention.

FIG. 4 is a logic diagram of comprehensive judgment of the state of the knife switch according to the present invention.

Detailed ways

In order to understand the above objects, features and advantages of the present invention more clearly, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. Example limitations.

Example 1

As shown in Figure 1, a machine vision-based intelligent identification system for substation equipment status includes: an intelligent inspection and monitoring platform, a video server, an intelligent image recognition server, and a monitoring terminal. The intelligent inspection and monitoring platform is respectively associated with the intelligent image The identification server and the video server are connected in communication, the monitoring terminal is connected to the video server, the intelligent identification system of the substation equipment status is connected with the SCADA system through the forward isolation device and the reverse isolation device, and the intelligent inspection and monitoring platform is used for patrolling. The monitoring and management of video inspection, the intelligent image recognition server is used to perform image recognition on the switching state of the substation equipment and output the recognition result, the video server is used to control the video monitoring terminal and cache the video and images collected by the video monitoring terminal, Video surveillance terminals are used to collect video and images of substation equipment.

It should be noted that the monitoring and management of the inspection video by the intelligent inspection monitoring platform includes: monitoring video aggregation, signaling control management, streaming media forwarding, remote inspection and operation configuration implementation, alarm management, and linkage with SCADA system. , Image recognition alarm receiving and processing, electronic map.

The intelligent image recognition server is used to perform image recognition on the opening and closing state of the substation equipment and output the recognition result, and the substation equipment includes: switches and knife switches. If the switches and knife switches are out of position or the three-phase positions do not correspond , the alarm information will be automatically pushed, and the camera will be linked to capture and record at the same time.

In this solution, the monitoring terminal includes: a card camera, a white light pan-tilt camera, and an infrared barrel camera.

The monitoring terminal is used to collect video and images of substation equipment in different environments, and transmit the video and image data to a video server through optical fiber communication.

In a specific embodiment, the substation equipment status intelligent identification system is deployed in the safety zone III of the management information area of the power secondary system of the substation, and the SCADA system is located in the safety zone I of the production control zone of the power secondary system. Intelligent identification system and SCADA system realize data transmission through forward isolation device and reverse isolation device.

As shown in Figure 2, the substation equipment status intelligent identification system divides the signals received from the SCADA system into different priorities such as equipment abnormal alarm signals, equipment status change signals, and equipment remote control preset command messages according to the importance of the message. In this way, special inspections for equipment status identification are carried out, and the result information is fed back to the SCADA system in the safety zone I of the production control area through the reverse isolation device. If the substation equipment status intelligent identification system does not receive any tasks from the SCADA system, it will give priority to custom inspection tasks.

In this solution, the functional units included in the substation equipment status intelligent identification system include: equipment status intelligent identification unit, equipment status intelligent inspection unit, and system management unit;

The equipment status intelligent recognition unit performs image recognition on the status of the substation switches and knife gate equipment respectively, extracts the features of the substation switches and knife gate equipment, and realizes the identification of the opening and closing positions of the substation switches and knife gate equipment through feature comparison. When the equipment is preset by remote control, the intelligent identification system of the equipment status of the substation will send the identification result to the SCADA system, and output the images of the switch and switch equipment of the substation to the intelligent inspection monitoring platform. , The substation equipment status intelligent identification system obtains the image information of the substation switch and knife gate equipment and judges whether the equipment status is consistent with the remote control command, and feeds the result back to the SCADA system;

In a specific embodiment, when the SCADA system receives operating status signals such as remote control presets, state changes, alarms, and tripping of protection actions, the SCADA system can use the substation equipment status intelligent identification system to link and review the relevant equipment status. Data interaction between SCADA system and substation equipment status intelligent identification system and comprehensive application of multi-dimensional data, intelligent inspection of related equipment, provide strong support for operators to report information, eliminate shortages of maintenance personnel, and formulate maintenance strategies for management personnel, so as to achieve equipment defect processing. Rapid emergency response.

Taking substation switches, switch switches, transformers and other equipment as examples, the information sent by SCADA system to the intelligent identification system of substation equipment status mainly includes: remote control preset commands of switches and switch switches, primary equipment such as switches, switch switches, and ground switch switches. The displacement signal of the main transformer, the switch, the knife gate and other primary equipment, the non-power alarm signal, the protection action trip signal, etc., see Table 1 for details. If a certain device fails, the substation equipment status intelligent identification system will receive the equipment failure message forwarded by the SCADA system, and the substation equipment status intelligent identification system can immediately pop up the relevant video image information of the equipment, and intelligently judge the equipment status information. The results are fed back to the SCADA system, so that the staff can grasp the fault information at the first time and make emergency treatment.

Table 1 Substation equipment status intelligent identification system linkage information table

The equipment status intelligent inspection unit includes three inspection methods: regular inspection, custom inspection, and special inspection. The self-defined inspection means that the user can customize the inspection task for inspection; the special inspection is used for inspection when the substation equipment is abnormal, remote control operation, equipment state change, alarm, and protection action tripping. The inspection results are sent to the SCADA system, and at the same time, the monitoring terminal is started to take pictures and snapshots of the substation equipment;

The system management unit is used for historical task query, inspection report query, video display, and statistical analysis of historical alarm records.

In this solution, the regular inspection task can customize the inspection cycle, inspection content, and inspection sequence;

For example, the task of inspecting the equipment status of the substation switches and knife gates is customized on the 20th of each month. The system can inspect and generate reports according to the relevant inspection work instructions.

Custom inspection tasks can add equipment inspection tasks at any time. For example, the operator needs to perform the operation of switching from cold standby to hot standby for a certain interval, and can manually customize a task to inspect the status of all switches and knife switches in the interval before the operation. The intelligent identification system of the substation equipment status can quickly generate the corresponding inspection task Inspection tasks, carry out inspections and form inspection reports.

In this scheme, the judgment process of the switch state is as follows:

Obtaining judgment data, the judgment data includes: switch position remote signaling, switch telemetry data, and switch position recognized by the intelligent image recognition server based on the image;

The switch position remote signal is the switch opening and closing position collected by the station-side SCADA system;

The switch telemetry data is the three-phase current or voltage of the switch collected by the SCADA system at the station; among them, the current is taken from the current transformer of the bay, and the voltage is taken from the voltage transformer of the bay or the busbar voltage transformer.

The intelligent image recognition server recognizes the switch state by analyzing the different characteristic information of the switch in the opening position and the closing position indicator;

The switch position state is obtained according to the preset switch judgment logic.

In this solution, as shown in Figure 3, the preset switch judgment logic is:

When the remote signal of the switch position is changed from closing to opening, the switch position recognized by the intelligent image recognition server is quantized, and the three-phase current is changed from presence to absence, the bus voltage is changed from presence to absence, and the line voltage is changed from presence to absence. One condition, then confirm that the switch position is the quantile;

When the remote signal of the switch position changes from open to closed, the switch position recognized by the intelligent image recognition server is closed, and the three-phase current changes from nothing to existence, the bus voltage changes from nothing to existence, and the line voltage changes from nothing to existence. One condition, then confirm that the switch position is the closed position;

If the opening and closing position of the switch does not meet the criteria of the sectional state and the closing state at the same time, it will report that the switch position is abnormal, and remind the staff to go to the site to check and eliminate the defect.

In this scheme, the judgment process of the state of the knife gate equipment is as follows:

Obtain the position data of the knife gate identified by the remote signalling of the knife gate position and the intelligent image recognition server;

Among them, the knife switch position remote signal is the knife switch opening and closing position collected by the station SCADA system;

The intelligent image recognition server recognizes the opening and closing status of the knife switch by analyzing the different characteristic information of the knife switch when it is in the opening position and the closing position;

The position status of the knife gate is obtained according to the preset knife gate judgment logic.

In this solution, as shown in Figure 4, the preset knife gate judgment logic is:

When the remote signal of the knife switch position changes from closing to opening and the position of the knife switch recognized by the intelligent image recognition server is the quantile position, then confirm that the knife switch position is the quantile position;

When the remote signal of the knife switch is changed from open to closed and the position of the knife switch recognized by the intelligent image recognition server is the closed position, then the knife switch position is confirmed to be the closed position;

If the opening and closing position of the knife switch does not meet the criteria of the sub-position state and the closing state at the same time, the abnormal position of the knife gate will be reported, and the staff will be reminded to check and eliminate the defect on site.

In a specific embodiment, if the substation equipment is an open switchgear, because its busbars and switchgear are exposed and directly contact with the air, the intelligent image recognition server collects the image of the switchgear equipment and adopts the Hough transform linear detection algorithm to compare The image to be detected and the template image are used to identify the state of the knife gate.

If the substation equipment is gas-insulated metal-enclosed switchgear, since its switches, switchgear, ground switchgear and other equipment or components are all enclosed in the metal grounded casing, the intelligent image recognition server collects the special installation on the switch arm position of the switchgear. The image of the indicator plate adopts the Hough transform linear detection algorithm, and the image to be detected is compared with the template image to identify the state of the knife gate.

In this solution, the substation equipment status intelligent identification system can realize data communication with the SCADA system through the power 104 protocol and IEC61850 protocol, and the substation equipment status intelligent identification system can realize the video of the equipment status by receiving the remote control, remote signaling and telemetry data of the SCADA system. linkage.

In this solution, the video linkage includes: remote control operation video linkage, intelligent verification of remote control operation, and remote control operation video linkage includes:

After the SCADA system sends the remote operation command, the intelligent identification system of the equipment status of the substation immediately controls the monitoring terminal to switch to the designated position through the intelligent inspection monitoring platform, and pops up the corresponding equipment video in the video monitoring window; Send it to the SCADA system to remind the operator whether the switch and the knife switch are in place, so that the remote operator can comprehensively analyze and judge the operation process and real-time status of the equipment, ensure the reliability verification of the remote control operation, and realize the remote control of the equipment. Visual operation and control;

The specific process of intelligent verification of remote control operation is as follows: after the SCADA system sends a remote control preset command to the equipment, the intelligent identification system of the equipment status of the substation can remotely signal the operation data and equipment status of the main transformer, switch, switch, ground switch and other equipment. . Intelligent analysis of equipment status image information to judge whether the status of substation equipment is consistent with remote control instructions and remote signaling results, and real-time alarm if abnormal. The intelligent identification system of substation equipment status can also be used as an anti-mistake judgment for programmed operation, so as to realize multi-source confirmation of switch and knife gate equipment status.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (10)

1. a substation equipment state intelligent identification system based on machine vision, is characterized in that, comprises: intelligent inspection and monitoring platform, video server, intelligent image recognition server, monitoring terminal, described intelligent inspection and monitoring platform is respectively and intelligent image The identification server and the video server are connected in communication, the monitoring terminal is connected to the video server, the intelligent identification system of the substation equipment status is connected with the SCADA system through the forward isolation device and the reverse isolation device, and the intelligent inspection and monitoring platform is used for patrolling. The monitoring and management of video inspection, the intelligent image recognition server is used to perform image recognition on the switching state of the substation equipment and output the recognition result, the video server is used to control the video monitoring terminal and cache the video and images collected by the video monitoring terminal, Video surveillance terminals are used to collect video and images of substation equipment. 2 . The machine vision-based intelligent identification system for substation equipment status according to claim 1 , wherein the monitoring terminal comprises: a card camera, a white light pan-tilt camera, and an infrared barrel camera. 3 . 3. A machine vision-based intelligent identification system for substation equipment status according to claim 1, wherein the functional units included in the substation equipment status intelligent identification system are: equipment status intelligent identification unit, equipment status intelligent patrol Inspection unit, system management unit; The equipment status intelligent recognition unit performs image recognition on the status of the substation switches and knife gate equipment respectively, extracts the features of the substation switches and knife gate equipment, and realizes the identification of the opening and closing positions of the substation switches and knife gate equipment through feature comparison. When the equipment is preset by remote control, the intelligent identification system of the equipment status of the substation will send the identification result to the SCADA system, and output the images of the switch and switch equipment of the substation to the intelligent inspection monitoring platform. , The substation equipment status intelligent identification system obtains the image information of the substation switch and knife gate equipment and judges whether the equipment status is consistent with the remote control command, and feeds the result back to the SCADA system; The equipment status intelligent inspection unit includes three inspection methods: regular inspection, custom inspection, and special inspection. The self-defined inspection means that the user can customize the inspection task for inspection; the special inspection is used for inspection when the substation equipment is abnormal, remote control operation, equipment state change, alarm, and protection action tripping. The inspection results are sent to the SCADA system, and at the same time, the monitoring terminal is started to take pictures and snapshots of the substation equipment; The system management unit is used for historical task query, inspection report query, video display, and statistical analysis of historical alarm records. 4. A machine vision-based intelligent identification system for substation equipment status according to claim 3, wherein the regular inspection task can customize the inspection cycle, inspection content, and inspection sequence; Custom inspection tasks can add equipment inspection tasks at any time. 5. a kind of machine vision-based intelligent identification system of substation equipment state according to claim 3, is characterized in that, the concrete judgment process of switch state is: Obtaining judgment data, the judgment data includes: switch position remote signaling, switch telemetry data, and switch position recognized by the intelligent image recognition server based on the image; The switch position remote signal is the switch opening and closing position collected by the station-side SCADA system; The switch telemetry data is the three-phase current or voltage of the switch collected by the SCADA system at the station; The intelligent image recognition server recognizes the switch state by analyzing the different characteristic information of the switch in the opening position and the closing position indicator; The switch position state is obtained according to the preset switch judgment logic. 6. A machine vision-based intelligent identification system for substation equipment status according to claim 5, wherein the preset switch judgment logic is: When the remote signal of the switch position is changed from closing to opening, the switch position recognized by the intelligent image recognition server is quantized, and the three-phase current is changed from presence to absence, the bus voltage is changed from presence to absence, and the line voltage is changed from presence to absence. One condition, then confirm that the switch position is the quantile; When the remote signal of the switch position changes from open to closed, the switch position recognized by the intelligent image recognition server is closed, and the three-phase current changes from nothing to existence, the bus voltage changes from nothing to existence, and the line voltage changes from nothing to existence. One condition, then confirm that the switch position is the closed position; If the opening and closing position of the switch does not meet the criteria of the sectional state and the closing state at the same time, it will report that the switch position is abnormal, and remind the staff to go to the site to check and eliminate the defect. 7. a kind of machine vision-based intelligent identification system of substation equipment state according to claim 3, is characterized in that, the judging process of knife gate equipment state is: Obtain the position data of the knife gate identified by the remote signalling of the knife gate position and the intelligent image recognition server; Among them, the knife switch position remote signal is the knife switch opening and closing position collected by the station SCADA system; The intelligent image recognition server recognizes the opening and closing status of the knife switch by analyzing the different characteristic information of the knife switch when it is in the opening position and the closing position; The position status of the knife switch is obtained according to the preset knife switch judgment logic. 8. A machine vision-based intelligent identification system for substation equipment status according to claim 7, wherein the preset switch judgment logic is: When the remote signal of the knife switch position changes from closing to opening and the position of the knife switch recognized by the intelligent image recognition server is the quantile position, then confirm that the knife switch position is the quantile position; When the remote signal of the knife switch is changed from open to closed and the position of the knife switch recognized by the intelligent image recognition server is the closed position, then confirm that the knife switch position is the closed position; If the opening and closing position of the knife switch does not meet the criteria of the sub-position state and the closing state at the same time, the abnormal position of the knife gate will be reported, and the staff will be reminded to check and eliminate the defect on site. 9. a kind of machine vision-based intelligent identification system of substation equipment status according to claim 1, is characterized in that, described substation equipment status intelligent identification system can realize data communication with SCADA system through electric power 104 statute, IEC61850 statute, substation The equipment status intelligent identification system realizes the video linkage of equipment status by receiving the remote control, remote signaling and telemetry data of SCADA system. 10. A machine vision-based intelligent identification system for substation equipment status according to claim 9, wherein the video linkage includes: remote control operation video linkage, intelligent verification of remote control operation, and remote control operation video linkage includes: After the SCADA system sends the remote operation command, the intelligent identification system of the equipment status of the substation immediately controls the monitoring terminal to switch to the designated position through the intelligent inspection monitoring platform, and pops up the corresponding equipment video in the video monitoring window; Send it to the SCADA system to remind the operator whether the switch and knife switch are in place, so that the remote operator can comprehensively analyze and judge the operation process and real-time status of the equipment; The specific process of intelligent verification of remote control operation is as follows: after the SCADA system sends a remote control preset command to the equipment, the intelligent identification system of the equipment status of the substation can remotely signal the operation data and equipment status of the main transformer, switch, switch, ground switch and other equipment. . Intelligent analysis of equipment status image information to judge whether the status of substation equipment is consistent with remote control instructions and remote signaling results, and real-time alarm if abnormal.

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