CN110492616A - A kind of intelligent patrol auxiliary system and inspection method for substation - Google Patents

Abstract

Present invention firstly provides a kind of intelligent patrol auxiliary systems for substation, including station end system and main station system, the station end system is additionally provided with intelligent radio microcam, wireless access device and wireless temperature measuring device, the radio micro video camera is connect with wireless access device by wireless telecommunications, and wireless access device and wireless temperature measuring device access the network switch；The main station system includes network switch II, main website server, monitor terminal and monitoring center large-size screen monitors, and the main website server, monitor terminal and monitoring center large-size screen monitors are separately connected network switch II；The station end system is connect after firewall I and firewall II by data communication network respectively with main station system, and the present invention additionally provides corresponding inspection method for above-mentioned intelligent patrol auxiliary system.The present invention can substitute manually to arrive at a station comprehensively makes an inspection tour remote real-time monitoring and guidance, it can be achieved that local operation, changes existing fortune inspection mode, improves fortune inspection efficiency and quality.

Description

An intelligent inspection auxiliary system and inspection method for substations

technical field

The invention relates to the technical field of substations, in particular to a patrol system of a substation, in particular to an intelligent patrol auxiliary system and a patrol method for a substation.

Background technique

Substation equipment inspection is an important daily work for operators. The quality of inspection directly affects production safety, and it also reflects the level of production management on site. With the development of society and economy, the scale of substations is also increasing, and problems such as shortage of personnel, faults, and scattered sites have become increasingly prominent. According to the "Regulations on the Management of Power Substation Operation and Maintenance of the State Grid Corporation", substations are divided into Class I, Class II, Class III, and Class IV substations according to their voltage levels and importance in the power grid, and differentiated inspections are implemented. In the operation and inspection of substations, due to the variety of inspection items and complex content, the inspection cycle of different types of substations is different, and the number of substations is large and the distribution distance is long, so the inspection journey also takes a lot of time.

The solution adopted in the existing substation automatic inspection system is to use the deployed monitoring equipment (such as ball camera, gun camera), infrared thermal imager, inspection robot, etc., by configuring multiple preset positions to monitor at different times The equipment is placed in the corresponding preset position to realize the fixed-point observation of the equipment, simulate the manual inspection route, and then realize the automatic inspection of the substation.

Due to the large size of the substation, especially due to the space limitation between the equipment, the deployed monitoring equipment cannot fully scan all the equipment or the inspection robot cannot reach it, and it is impossible to realize the inspection of the substation equipment without dead ends. Moreover, the environment of the substation is changeable, especially when the substation is deployed outdoors in a special environment such as a plateau or next door, it will not be able to perform normal inspections in the event of extreme weather such as sand, storm, snowstorm, and hail. Using the inspection robot to patrol requires the robot to move to the location of the equipment and adjust the detection head to the designated position before observation can be performed. It often takes a long time, and there are problems such as inaccurate positioning and multiple manual checks, etc., cumbersome operation and large amount of maintenance.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides an intelligent inspection auxiliary system and inspection method for substations to solve the problem that the existing inspection system cannot inspect substations around the clock without dead ends.

The present invention is achieved through the following technical solutions. First, it provides an intelligent inspection auxiliary system for substations, including a station-side system and a master station system. The station-side system includes a network switch 1, a station-side intelligent analysis host, and a network hard disk. Video recorder, on-site monitoring host, infrared network high-definition dome machine, infrared network high-definition camera and temperature-measuring thermal imaging network pan/tilt, the station-side intelligent analysis host, network hard disk video recorder, on-site monitoring host, infrared network high-definition dome machine , the infrared network high-definition gun camera and the temperature-measuring thermal imaging network pan/tilt are respectively connected to the network switch; the station-side system also includes an intelligent wireless miniature camera and a wireless access device, and the wireless miniature camera and the wireless access device communicate via wireless Connect, the wireless access device accesses the network switch 1; The station-side system also includes a wireless temperature measurement device, and the wireless temperature measurement device includes a wireless temperature measurement host and at least one wireless temperature measurement sensor, and the wireless temperature measurement sensor and The wireless temperature measurement host is connected by wireless communication, and the wireless temperature measurement host is connected to the network switch I; the master station system includes a network switch II, a master station server, a monitoring terminal and a large screen of the monitoring center, and the master station server, the monitoring terminal and the large screen of the monitoring center are respectively connected to the network switch II; the station end system and the main station system are respectively connected through the data communication network after passing through the firewall I and the firewall II.

As preferably, also comprise intelligent interface, described intelligent interface is connected with network switch 1, is connected with auxiliary monitoring system through intelligent interface, and described auxiliary monitoring system comprises access control system, security guard system, environment monitoring system and fire alarm system.

As preferably, the network switch 1 includes a core switch and an access switch, the station-end intelligent analysis host, network hard disk video recorder, on-site monitoring host, wireless temperature measurement host are connected to the core switch, and the infrared network high-definition Ball cameras, infrared network high-definition camera cameras, temperature-measuring thermal imaging network pan-tilts, wireless access devices and smart interfaces are connected to the core switch after being connected to the access switch.

Preferably, the infrared network high-definition dome camera or/and infrared network high-definition gun camera or/and temperature measurement type thermal imaging network pan/tilt are also connected with a high-fidelity pickup.

Preferably, the smart wireless miniature camera includes a fixed base, a video capture component and a main control component, the fixed base is fixedly connected to the video capture component and the main control component respectively, and the main control component is connected to at least one video capture component and One audio collection component is connected; the fixed base includes a T-shaped connector, and the T-shaped connector is provided with a magnetic suction cup or/and a fixing hole or/and an adhesive strip; the video collection component includes a housing and a wide-angle camera arranged in the casing, the wide-angle camera is connected with a plastic data connection line; the main control assembly includes a casing and a power module placed in the casing, a control module, a wireless module, a switch, an indicator light, a video A connection port, an audio connection port, a reset key and a number controller, the reset key is used to reset the configuration of the main control component, and the number controller is used for multi-camera network number control.

Secondly, the present invention also provides an intelligent patrol method for a substation, using the above-mentioned intelligent patrol auxiliary system for a substation, including the following steps:

1) According to the State Grid Corporation of China's substation operation and maintenance management regulations and substation inspection standardization operation instructions, a differentiated inspection plan is prepared; further, the inspection plan is combined with specific equipment/scenes in each substation to form a differentiated inspection item for each station;

2) According to the requirements of the inspection item in the inspection plan, design the deployment position of the station-side system equipment so that the number is the least on the basis of meeting the requirements of the inspection item;

3) According to the requirements of the inspection item in step 1, design the preset position of the infrared network high-definition dome camera, temperature-measuring thermal imaging network pan-tilt and other equipment in the station-side system;

4) According to substation operation and maintenance requirements, establish inspection tasks;

5) According to the inspection task set in step 4, the station-side system equipment is automatically enabled, and the substation environment, facilities, and equipment are regularly scanned, fixed-point observed, and automatically captured;

6) The station-side system performs intelligent image analysis on the captured pictures in step 5, identifies the environment, facilities, and equipment status image information, and converts them into digital information and alarm information to generate inspection records;

7) The station-side system actively uploads the inspection records in step 6 to the main station system, and prompts the operation and maintenance personnel to manually review and confirm the inspection records, form an inspection report, and complete the inspection task.

As a preference, in the step 1, the specific sub-steps of preparing a differentiated inspection plan according to the State Grid Corporation of China's substation operation and maintenance management regulations and substation inspection standardization work instructions are as follows:

According to the substation classification criteria and inspection requirements stipulated by the State Grid Corporation of China for substation operation and maintenance management, as well as the requirements for inspection equipment, inspection content, and inspection standards in the substation inspection standardization operation instructions, establish inspection scenarios (including environmental facility monitoring scenarios, equipment status monitoring) scenarios, temperature measurement scenarios, sound monitoring scenarios), formulate remote inspection plans for each substation;

Further, according to the substation environment and facilities that the operation and maintenance personnel need to inspect, use the infrared network high-definition dome camera and the infrared network high-definition gun camera to form a visible light monitoring scene for environmental facilities;

Further, according to the equipment status that the operation and maintenance personnel need to inspect, the visible light monitoring scene of the equipment status is composed of the infrared network high-definition dome camera, the infrared network high-definition gun camera, and the smart wireless miniature camera;

Further, according to the equipment temperature that the operation and maintenance personnel need to monitor, the temperature measurement scene is composed of a temperature measurement thermal imaging network platform and a wireless temperature measurement device;

Further, according to the equipment sound that the operation and maintenance personnel need to detect, use high-fidelity pickups to form a sound monitoring scene.

After adopting the above scheme, the present invention realizes all-weather inspection of the substation environment, facilities, and equipment without blind spots. The widely deployed intelligent wireless micro-camera can be flexibly deployed in the location where the dome camera and gun camera cannot monitor the equipment, and the inspection robot cannot reach the location. Tours are also possible. A substation intelligent auxiliary inspection system proposed by the present invention covers the inspection operations of all environments, facilities, and equipment in the substation, and can realize remote automatic, timing, and simultaneous inspection of multiple stations. The inspection process is automatically completed by the system, and the operation and maintenance personnel only need to It is necessary to manually check the alarms (pictures, sounds, data, etc.) in the inspection record, which can reduce the inspection time to less than 10 minutes/station, and improve the inspection efficiency.

To sum up, the invention provides an intelligent inspection auxiliary system and inspection method for substations, which can automatically and real-time identify the abnormal conditions of the substation environment, facilities, and equipment status, and assist the operation and maintenance personnel to judge the operation status of the substation, shortening the time spent on the substation. The response time of abnormal accidents can fully replace manual inspections at stations, and can realize remote real-time monitoring and guidance of local operations, change the existing inspection mode, and improve the efficiency and quality of inspections.

Description of drawings

Fig. 1 is a functional block diagram of an intelligent inspection auxiliary system for substations of the present invention;

Fig. 2 is a block diagram of steps of an intelligent inspection method for a substation of the present invention;

As shown in the figure:

1. Station system, 2. Master station system, 3. Auxiliary monitoring system.

Detailed ways

In order to clearly illustrate the technical features of the solution of the present invention, the solution will be further elaborated below in conjunction with the accompanying drawings and through specific implementation methods.

As shown in Fig. 1, a kind of intelligent inspection auxiliary system for substation, comprises station end system 1 and master station system 2, and described station end system 1 comprises network switch 1, station end intelligent analysis main frame, network hard disk video recorder, On-site monitoring host, wireless temperature measuring device, infrared network high-definition dome camera, infrared network high-definition gun camera and temperature-measuring thermal imaging network pan/tilt, the station-side intelligent analysis host, network hard disk video recorder, on-site monitoring host, wireless measuring Temperature device, infrared network high-definition dome machine, infrared network high-definition gun camera and temperature measurement type thermal imaging network pan/tilt are respectively connected to the network switch;

The station-side system 1 also includes an intelligent wireless miniature camera and a wireless access device, the wireless miniature camera and the wireless access device are connected through wireless communication, and the wireless access device is connected to a network switch; the wireless temperature measuring device includes a wireless A temperature measurement host and at least one wireless temperature measurement sensor, the wireless temperature measurement sensor and the wireless temperature measurement host are connected through wireless communication, and the wireless temperature measurement host is connected to the network switch I; the master station system 2 includes a network switch II, a master station The server, the monitoring terminal and the large screen of the monitoring center, the main station server, the monitoring terminal and the large screen of the monitoring center are respectively connected to the network switch II; connected via a data communication network.

In the present embodiment, also comprise intelligent interface, described intelligent interface is connected with network switch 1, is connected 3 with auxiliary monitoring system through intelligent interface, and described auxiliary monitoring system 3 comprises access control system, security guard system, environment monitoring system And fire alarm system, described network switch 1 comprises core switch and access switch, described station end intelligent analysis main frame, network hard disk video recorder, on-the-spot monitoring main frame and core switch connection, described wireless temperature measuring device, infrared Network high-definition dome camera, infrared network high-definition gun camera, temperature-measuring thermal imaging network pan/tilt, wireless access device and intelligent interface are connected to the core switch after being connected to the access switch. The network high-definition gun camera and the temperature-measuring thermal imaging network platform are also connected with high-fidelity pickups. The intelligent wireless miniature camera includes a fixed base, a video acquisition component and a main control component. The control component is fixedly connected, and the main control component is connected to 4 video capture components and 1 audio capture component;

The fixed base includes a T-shaped connector, and the T-shaped connector is provided with a magnetic suction cup or/and a fixing hole or/and an adhesive strip;

The video acquisition assembly includes a housing and a wide-angle camera arranged in the housing, and the wide-angle camera is connected with a plastic data connection line;

The main control assembly includes a housing and a power module placed in the housing, a control module, a wireless module, a switch, an indicator light, a video connection port, an audio connection port, a reset key and a numbering controller, and the reset key is used for Reset the configuration of the main control component, the number controller is used for multi-camera network number control.

When working, the user accesses the main station server through the monitoring terminal in the main station system. After obtaining the corresponding authority, the user sets the inspection tasks of each substation on the main station server through the monitoring terminal, and the main station server configures the inspection tasks to each substation through the data communication network. Station-side system; the station-side system controls the temperature-measuring thermal imaging network pan/tilt, infrared network high-definition dome camera, infrared network high-definition gun camera, intelligent wireless miniature camera, and high-fidelity pickup according to the configured inspection tasks, and sends relevant images, videos, The audio information is submitted to the station-side intelligent analysis host in real time for intelligent analysis and recognition, and the analysis results and the auxiliary monitoring system information obtained through the intelligent interface are uploaded to the main station server; users view the inspection records through the monitoring terminal, and perform manual review and confirmation to form inspection reports Stored in the main station server; the user accesses the main station server through the monitoring terminal, and remotely calls the network hard disk video recorder for historical video and image review of inspection tasks; the user accesses the main station server through the monitoring terminal, and remotely controls the temperature measurement thermal imaging network pan/tilt, Infrared network high-definition ball camera, infrared network high-definition gun camera, intelligent wireless miniature camera, for temporary remote visual inspection tasks, or remote guidance for on-site operations.

When the patrol task is enabled, when the panorama of the substation area, the panorama of the station facilities and the panorama of the primary and secondary equipment appear in the patrol scene, the intelligent analysis host at the station uses intelligent image recognition technology to identify whether the environment is abnormal; Integrity, whether there is rust, whether there are foreign objects such as bird's nest, honeycomb, streamer, etc., whether the fixing device is missing; identify whether the equipment is rusted, whether there is oil stain around the equipment, and determine whether there is oil leakage. The station-side intelligent analysis host sends the identification information to the main station server, and the main station server records the information in the corresponding patrol record.

When pointer-type meters such as primary and secondary equipment temperature gauges, oil level gauges, pressure gauges, ammeters, voltmeters, and SF ₆ meters appear in the inspection scene, the station-side intelligent analysis host uses intelligent image recognition Technology, identifying the pointer angle combined with the meter range to determine the meter data, and further comparing with the set pre-alarm value to obtain the pre-alarm information; the intelligent analysis host at the station sends the recognized meter value and pre-alarm information to the main station server, and the main station server will record the information in the corresponding patrol record.

When the secondary equipment current, voltage, power and other digital display instruments and digital display protection screens appear in the inspection scene, the station-end intelligent analysis host uses intelligent image recognition technology to identify the digital display instrument numbers and protection screen text information, and further Compare with the set pre-alarm value to obtain the pre-alarm information; the intelligent analysis host at the station will send the identified instrument value, protection screen information and pre-alarm information to the main station server, and the main station server will record the information and match it with the corresponding in the patrol record.

When secondary equipment switches, pressure plates, knobs, and indicator lights appear in the inspection scene, the station-end intelligent analysis host uses intelligent image recognition technology to identify the opening and closing state of the switch, the closing state of the pressure plate, the on and off state of the indicator light, and the angle of the knob, and further Combining the knob angle and angle status information to identify the status of the knob indication; the station-side intelligent analysis host sends the identification information to the master station server, and the master station server records the information in the corresponding patrol record.

When primary and secondary equipment bushings, busbars, cables, insulators, leads, joints, contacts, and wire clips appear in the inspection scene, the temperature measurement type thermal imaging network platform uses precise thermal imaging online temperature measurement technology to measure equipment The temperature is recorded and the temperature difference is greater than 10K, and the measurement results are sent to the main station server. The main station server records the information in the corresponding inspection record and establishes the equipment temperature measurement ledger.

When switch cabinet busbars, cables, and contacts appear in the inspection scene, the wireless temperature measurement device uses online temperature measurement technology to measure the temperature of the equipment and record the temperature change is greater than 2K equipment, and collect the measurement results to the intelligent analysis host at the station. And send it to the main station server, the main station server will record the information in the corresponding patrol record, and establish the equipment temperature measurement ledger.

In this embodiment, the temperature measurement type thermal imaging network pan/tilt has the following parameter requirements: the maximum image size of thermal imaging is 384*288; the minimum temperature measurement distance range is 1.2m; the noise equivalent temperature difference is < 50mk; the temperature measurement accuracy is ±2°C or range ±2%°C (take the maximum value); temperature range -20~150°C, 0°C~550°C; detection distance over 150 meters, recognition distance over 150 meters; 2 million pixels low-light CMOS; field of view 41.3° *30.6°; 360° continuous rotation in the horizontal direction, -15°-90° in the vertical direction; the infrared irradiation distance is 150 meters; the visible light frame rate is 50Hz: 25fps (1920×1080), 25fps (1280×960), 25fps (1280×720 ); thermal imaging frame rate 50Hz: 25fps (384×288); working temperature -40°C-60°C, humidity less than 90%; support H.264/MJPEG/MPEG4 video compression standard; 10M / 100M adaptive Ethernet interface , 1 channel audio interface; more than 300 preset points; support wiper; protection grade IP66, TVS 6000V lightning protection, anti-surge, anti-surge, in line with GB/T17626.5 level 4 standard.

In this embodiment, the infrared network high-definition ball machine has the following parameter requirements: 4 million pixel CMOS; minimum illumination color 0.0005Lux @ (F1.5, AGC ON), black and white 0.0001Lux @ (F1.5, AGC ON); 0 Lux with IR; main stream 50Hz:25fps(2560×1440), 60Hz:30fps(2560×1440); support H.265/H.264/MJPEG video compression standard; infrared irradiation distance 200 meters; 37 times optical zoom, 16x digital zoom; 120dB ultra-wide dynamic, fog penetration, strong light suppression, electronic image stabilization; horizontal 360° continuous rotation; vertical -20°-90° (auto flip); horizontal keying speed 0.1°-210°/s , the speed can be set, the horizontal preset point speed is 280°/s; the vertical keying speed is 0.1°-150°/s, the speed can be set, the vertical preset point speed is 250°/s; 10M / 100M adaptive Ethernet interface , 1 channel audio interface; more than 300 preset points; support wiper; working temperature and humidity -40°C-70°C; humidity less than 90%; /T17626.5 Level 4 standard.

In this embodiment, the infrared network high-definition gun camera has the following parameter requirements: 4 million pixel CMOS; minimum illumination 0.005Lux @ (F1.2, AGC ON), 0 Lux with IR; horizontal field of view 105~34°; motorized lens ;Wide dynamic range 120dB; Infrared irradiation distance 50 meters; Support H.265/H.264/MJPEG video compression standard; 10M / 100M adaptive Ethernet interface, 1 audio interface; Working temperature and humidity -30℃~60℃ , humidity is less than 95%; protection grade IP67, 6000V lightning protection, anti-surge, anti-surge, in line with GB/T17626.5 level 4 standard.

The high-fidelity pickup used in this embodiment has the following parameter requirements: pickup range 5~50m ² ; sensitivity -40dB; signal-to-noise ratio >50dB (outdoor), >70dB (indoor); Noise 10dB~15dB; working environment temperature -35~70℃; protection grade IP66.

The intelligent wireless miniature camera adopted in this embodiment has the following parameter requirements: 1 million pixels; minimum illumination 0.018 Lux @ (F1.6, AGC ON), 0 Lux with IR; horizontal field of view 110°; wide dynamic range 120dB; Infrared irradiation distance 5 meters; support H.264 video compression standard; support WIFI2.4GHZ, IEEE802.11b/g/n; 1 audio interface; working temperature and humidity -30 ℃ ~ 60 ℃, humidity less than 95%; protection level IP67; front-end size 15mm*15mm*10mm, host size 30mm*30mm*10mm.

The wireless temperature measurement sensor used in this embodiment has the following parameter requirements: temperature measurement range -20°C~150°C, temperature measurement accuracy ±1°C, wireless transmission distance 200 meters (open space), wireless transmission frequency 433MHz, sampling frequency 5s~90s Can be set, ID code, bundled, crimped, magnetic installation can be used, and battery or CT power supply can be used for power supply.

The wireless temperature measurement host used in this embodiment has the following parameter requirements: can access wireless data ≤ 240 channels, supports ID coding, can set communication channels and addresses, can set temperature pre-alarm range, can monitor the life of wireless temperature measurement sensors, 2 RS485 communication interface, color touch screen, DC12V/AC220V power supply, wall or embedded installation.

In this embodiment, the station-side intelligent analysis host has the following parameter requirements: CPU (2.1GHz/8C/20MBL3/8GT)*2; 64GDDR memory; 6TBSATA hard disk; Gigabit network card*2; GPU (CUDA1792/8GBGDDR5/256bit); 800W power supply*2; 455mm×218mm×550mm rack-mounted installation; working temperature 5°C ~ 35°C.

The on-site monitoring unit used in this embodiment is a conventional industrial computer, and the other equipment used is conventional equipment.

An intelligent inspection method for a substation provided in this embodiment adopts the intelligent inspection auxiliary system for a substation provided in the above-mentioned embodiment, and includes the following steps:

1) According to the substation classification criteria and inspection requirements stipulated by the State Grid Corporation of China for substation operation and maintenance management, as well as the requirements for inspection equipment, inspection content, and inspection standards in the substation inspection standardization work instructions, establish inspection scenarios (including environmental facility monitoring scenarios, equipment, etc.) Condition monitoring scene, thermal imaging temperature measurement scene, sound monitoring scene), formulate a remote inspection plan for each substation;

Further, according to the substation environment and facilities that the operation and maintenance personnel need to inspect, use the infrared network high-definition dome camera and the infrared network high-definition gun camera to form a visible light monitoring scene for environmental facilities;

Further, according to the equipment status that the operation and maintenance personnel need to inspect, the visible light monitoring scene of the equipment status is composed of the infrared network high-definition dome camera, the infrared network high-definition gun camera, and the smart wireless miniature camera;

Further, according to the equipment temperature that the operation and maintenance personnel need to monitor, the temperature measurement scene is composed of a temperature measurement thermal imaging network platform and a wireless temperature measurement device;

Further, according to the equipment sound that the operation and maintenance personnel need to detect, use high-fidelity pickups to form a sound monitoring scene.

2) Combine the inspection plan with the specific equipment/scenes in each substation to form differentiated inspection items for each station. Taking part of the inspection items of the main transformer in Table 1 as an example, the description is as follows:

Table 1

In Table 1, the first column is the name of the equipment that needs to be inspected; the second column is the parts that need to be inspected in the first column of equipment; the third column is the inspection content and standards; the fourth column is the inspection scene, which should be observed by using the system remote inspection Go to the set content; the fifth column is the inspection result judged and recorded according to the third column standard. The inspection items vary according to different types of substations to meet the operation and maintenance needs of each substation.

3) According to the requirements of the inspection item in step 2), design the deployment location of the station-side system equipment so that the number is the least on the basis of meeting the requirements of the inspection item. Taking the inspection equipment in Table 1 as the core and taking into account the surrounding environment, deploy cameras so that the system can observe the equipment and the surrounding environment from multiple angles without blind spots. Use the infrared network high-definition dome camera and infrared network high-definition gun camera to observe the appearance and environment of the equipment, use the intelligent wireless miniature camera to observe the meter and blind area of the equipment, use the temperature-measuring thermal imaging network pan/tilt to detect the temperature of the equipment, and use the high-fidelity pickup to record device sound. For example, each main transformer is equipped with 3 sets of infrared network high-definition ball cameras, and the cameras arranged in the middle of the two main transformers can be shared; The main transformer is equipped with 9 intelligent wireless miniature cameras; each main transformer is equipped with 3 high-fidelity pickups, and the pickups are connected to the infrared network high-definition dome camera;

4) According to the requirements of the inspection item in step 2), design the preset position of the infrared network high-definition dome camera, temperature measurement thermal imaging network pan-tilt and other equipment in the station-side system. To meet the inspection standard, set the camera preset position corresponding to the inspection scene. One inspection scene requires more than one preset position. If observing the front of the main transformer body, it is necessary to set one front panoramic position, one front upper magnification position, and one front lower magnification position;

5) According to the substation operation and maintenance requirements, establish inspection tasks for each substation. The inspection task includes: one or more inspection plans; the start time and frequency of each plan;

6) According to the inspection task set in step 5), the station-side system equipment is automatically enabled, and the substation environment, facilities, and equipment are regularly scanned, fixed-point observed, and automatically captured;

7) The station-side system performs intelligent image analysis on the captured pictures in step 6), recognizes the image information of the environment, facilities, and equipment status, and converts it into digital information and alarm information to generate inspection records;

Further, when the panorama of the substation area, the panorama of station facilities and the panorama of primary and secondary equipment appear in the inspection scene, the intelligent analysis host at the station uses intelligent image recognition technology to identify whether there is any abnormality in the environment; whether the identification facilities are complete and whether they are rusted , Whether there are foreign objects such as bird's nests, honeycombs, streamers, etc., and whether the fixing device is missing; identify whether the equipment is rusted, whether there are oil stains around the equipment, and determine whether there is oil leakage. The station-side intelligent analysis host sends the identification information to the main server, and the main server records the information with the corresponding inspection records;

Further, when pointer-type meters such as primary and secondary equipment temperature gauges, oil level gauges, pressure gauges, ammeters, voltmeters, and SF6 meters appear in the inspection scene, the station-side intelligent analysis host uses intelligent Image recognition technology, identifying the pointer angle combined with the meter range to determine the meter data, and further comparing with the set pre-alarm value to obtain pre-alarm information; the intelligent analysis host at the station will recognize the meter count value and pre-alarm The information is sent to the main server, and the main server records the information with the corresponding patrol record;

Further, when digital display instruments such as current, voltage, and power of secondary equipment and digital display protection screens appear in the patrol scene, the station-side intelligent analysis host uses intelligent image recognition technology to identify the numbers of digital display instruments and the text information of the protection screen , and further compare with the set pre-alarm value to obtain the pre-alarm information; the station-side intelligent analysis host will send the recognized instrument value, protection screen information and pre-alarm information to the main server, and the main server will record the information and In the corresponding patrol record;

Further, when secondary equipment switches, pressure plates, knobs, and indicator lights appear in the inspection scene, the intelligent analysis host at the station uses intelligent image recognition technology to identify the open and closed state of the switch, the closed state of the pressure plate, the on and off state of the indicator light, and the status of the knob. Angle, further combine the knob angle and angle status information to identify the status of the knob indication; the station-side intelligent analysis host sends the identification information to the main server, and the main server records the information and the corresponding patrol record;

Further, when primary and secondary equipment bushings, busbars, cables, insulators, leads, connectors, contacts, and clamps appear in the inspection scene, the temperature-measuring thermal imaging network platform uses precise thermal imaging online temperature measurement technology , measure the temperature of the equipment and record the temperature difference greater than 10K, and send the measurement results to the main server, the main server will record the information in the corresponding inspection records, and establish the equipment temperature measurement ledger;

Further, when switch cabinet busbars, cables, and contacts appear in the inspection scene, the wireless temperature measurement device uses online temperature measurement technology to measure the temperature of the equipment and record the temperature of the equipment with a temperature change greater than 2K, and collect the measurement results to the station-end intelligent Analyze the host computer and send it to the main station server. The main station server will record the information in the corresponding patrol record and establish the equipment temperature measurement ledger.

The system can automatically analyze and record the inspection results for the above scenarios.

8) The station-side system actively uploads the inspection records in step 7) to the main station system, and prompts the operation and maintenance personnel to manually review and confirm the inspection records through system prompts and SMS notifications, forms an inspection report, and completes the inspection task. The content of the manual review includes: step 7) description of the inspection scene with an unexpected scene, the inspection result is the content to be determined, and the inspection result is the abnormal content. The content of the inspection report includes: inspection unit, inspection task, inspection time, inspection personnel, inspection equipment, inspection components, inspection standards, inspection scenes, inspection results, picture records, notes, and signature items;

9) The operation and maintenance personnel check the inspection report of the specified date and designated substation through the system to complete the review of the inspection work.

Finally, it should also be noted that the above examples and descriptions are not limited to the above embodiments, and the undescribed technical features of the present invention can be realized by or using existing technologies, so they will not be repeated here; the above embodiments and accompanying drawings are only used for Illustrate that the technical scheme of the present invention is not to limit the present invention, and the present invention has been described in detail with reference to preferred embodiments, and those of ordinary skill in the art should understand that those of ordinary skill in the art can do within the essential scope of the present invention Any changes, modifications, additions or substitutions do not deviate from the gist of the present invention, and should also belong to the protection scope of the claims of the present invention.

Claims (7)

1. An intelligent inspection auxiliary system for substations, comprising a station-side system and a master station system, characterized in that, The station-side system includes a network switch 1, a station-side intelligent analysis host, a network hard disk video recorder, an on-site monitoring host, an infrared network high-definition dome camera, an infrared network high-definition gun camera and a temperature measuring type thermal imaging network platform. Intelligent analysis host, network hard disk video recorder, on-site monitoring host, infrared network high-definition dome camera, infrared network high-definition gun camera and temperature-measuring thermal imaging network pan/tilt are respectively connected to the network switch; The station end system also includes an intelligent wireless miniature camera and a wireless access device, the wireless miniature camera and the wireless access device are connected by wireless communication, and the wireless access device accesses the network switch 1; The station-side system also includes a wireless temperature measurement device, the wireless temperature measurement device includes a wireless temperature measurement host and at least one wireless temperature measurement sensor, the wireless temperature measurement sensor and the wireless temperature measurement host are connected by wireless communication, and the wireless temperature measurement host access network switch 1; The main station system includes a network switch II, a main station server, a monitoring terminal and a large screen of a monitoring center, and the main station server, a monitoring terminal and a large screen of a monitoring center are respectively connected to the network switch II; The station end system and the main station system are respectively connected through the data communication network after going through the firewall I and the firewall II. 2. a kind of intelligent inspection auxiliary system for substation according to claim 1, is characterized in that, also comprises intelligent interface, and described intelligent interface is connected with network exchange 1, is connected with auxiliary monitoring system by intelligent interface, so The auxiliary monitoring system mentioned above includes access control system, security guard system, environmental monitoring system and fire alarm system. 3. a kind of intelligent inspection auxiliary system for substation according to claim 2, is characterized in that, described network switch 1 comprises core switch and access switch, described station end intelligent analysis main frame, network hard disk video recorder , the on-site monitoring host, the wireless temperature measurement host and the core switch are connected. After the switch is connected, it is connected to the core switch. 4. An intelligent inspection auxiliary system for substations according to claim 3, characterized in that, the infrared network high-definition dome camera or/and infrared network high-definition gun camera or/and temperature measurement type thermal imaging network cloud There are also hi-fi pickups hooked up to the deck. 5. An intelligent inspection auxiliary system for substations according to any one of claims 1 to 4, wherein the intelligent wireless miniature camera includes a fixed base, a video acquisition component and a main control component, and the The fixed base is respectively fixedly connected to the video acquisition component and the main control component, and the main control component is connected to at least one video acquisition component and one audio acquisition component; The fixed base includes a T-shaped connector, and the T-shaped connector is provided with a magnetic suction cup or/and a fixing hole or/and an adhesive strip; The video acquisition assembly includes a housing and a wide-angle camera arranged in the housing, and the wide-angle camera is connected with a plastic data connection line; The main control assembly includes a housing and a power module placed in the housing, a control module, a wireless module, a switch, an indicator light, a video connection port, an audio connection port, a reset key and a numbering controller, and the reset key is used for Reset the configuration of the main control component, the number controller is used for multi-camera network number control. 6. An intelligent patrol method for a substation, using the intelligent patrol auxiliary system for a substation according to any one of claims 1 to 5, characterized in that it comprises the following steps: 1) According to the State Grid Corporation of China's substation operation and maintenance management regulations and substation inspection standardization operation instructions, a differentiated inspection plan is prepared; further, the inspection plan is combined with specific equipment/scenes in each substation to form a differentiated inspection item for each station; 2) According to the requirements of the inspection item in the inspection plan, design the deployment position of the station-side system equipment so that the number is the least on the basis of meeting the requirements of the inspection item; 3) According to the requirements of the inspection item in step 1, design the preset position of the infrared network high-definition dome camera, temperature-measuring thermal imaging network pan-tilt and other equipment in the station-side system; 4) According to substation operation and maintenance requirements, establish inspection tasks; 5) According to the inspection task set in step 4, the station-side system equipment is automatically enabled, and the substation environment, facilities, and equipment are regularly scanned, fixed-point observed, and automatically captured; 6) The station-side system performs intelligent image analysis on the captured pictures in step 5, identifies the environment, facilities, and equipment status image information, and converts them into digital information and alarm information to generate inspection records; 7) The station-side system actively uploads the inspection records in step 6 to the main station system, and prompts the operation and maintenance personnel to manually review and confirm the inspection records, form an inspection report, and complete the inspection task. 7. The intelligent patrol method of a substation according to claim 6, characterized in that, in said step 1, a differentiated patrol plan is compiled according to the State Grid Corporation's substation operation and maintenance management regulations and the substation patrol standardization operation instruction book. Proceed as follows: According to the substation classification criteria and inspection requirements stipulated by the State Grid Corporation of China for substation operation and maintenance management, as well as the requirements for inspection equipment, inspection content, and inspection standards in the substation inspection standardization operation instructions, establish inspection scenarios (including environmental facility monitoring scenarios, equipment status monitoring) scenarios, temperature measurement scenarios, sound monitoring scenarios), formulate remote inspection plans for each substation; Further, according to the substation environment and facilities that the operation and maintenance personnel need to inspect, use the infrared network high-definition dome camera and the infrared network high-definition gun camera to form a visible light monitoring scene for environmental facilities; Further, according to the equipment status that the operation and maintenance personnel need to inspect, the visible light monitoring scene of the equipment status is composed of the infrared network high-definition dome camera, the infrared network high-definition gun camera, and the smart wireless miniature camera; Further, according to the equipment temperature that the operation and maintenance personnel need to monitor, the temperature measurement scene is composed of a temperature measurement thermal imaging network platform and a wireless temperature measurement device; Further, according to the equipment sound that the operation and maintenance personnel need to detect, use high-fidelity pickups to form a sound monitoring scene.