Substation small animal detection method, device and system

Abstract

The invention discloses a transformer substation small animal detection method, device and system, and the method comprises the steps: monitoring the temperature of a to-be-detected transformer substation and a moving object, obtaining a thermal imaging video and a regional image, judging the temperature change in each frame of picture in the thermal imaging video, and if the temperature in the picture changes, determining that the transformer substation small animal is detected. If yes, intercepting a temperature change area in the picture to obtain change information, judging whether the change information is an object or not according to the area image to obtain a first identification result, judging environment change in each area image, and if the environment change occurs in the area image, identifying the image according to the thermal imaging video to obtain a second identification result; whether the environment change information in the area image is an object or not is judged, a second recognition result is obtained, if the first recognition result and the second recognition result are both objects, it is determined that the object appears, and alarm information is sent to the terminal equipment, through the method, small animals in the transformer substation are detected, and the detection efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of substation monitoring, and in particular to a method, device and system for detecting small animals in a substation. Background Art

[0002] In recent years, equipment failures in substations have seriously affected the safe and reliable operation of the power grid, bringing huge safety hazards and economic losses to the system. In particular, small animals can easily get into the equipment, which can easily cause equipment short circuits and insulation damage, seriously affecting the safe operation of the equipment. At present, the way to prevent small animals is to use regular inspections by operation and maintenance personnel. The inspection cycle is a small inspection every Monday, a large inspection every month, and a check and blockage every quarter. These means are relatively passive defense means. They cannot be dealt with even if small animals are found, and there are the following defects. First, due to the dim optical fiber in the cable trench, the small observation space is easy to form dead corners, and small holes are not easy to be found; second, the monthly inspection of the cable trench cannot meet the requirements of lean management for preventing small animals, and cannot timely grasp the situation of blocking and preventing small animals in the cable trench; third, it is necessary to spend money to hire outsourced workers to pry the cement cover, and at the same time, it is necessary to provide safety education to relevant personnel, which increases safety risks. It can be seen that under the condition of limited human resources, it takes a lot of manpower and material resources to inspect small animals in substations. Summary of the invention

[0003] In order to solve the above technical problems, the embodiments of the present invention provide a method and device for detecting small animals in a substation, which can detect small animals in the substation and improve the detection efficiency.

[0004] A first aspect of an embodiment of the present invention provides a method for detecting small animals in a substation, the method comprising:

[0005] Monitor the temperature and moving objects of the substation to be inspected, and obtain thermal imaging videos and regional images;

[0006] The temperature change in each frame of the thermal imaging video is judged. If the temperature in the picture changes, the area where the temperature changes in the picture is intercepted to obtain change information, and whether the change information is an object is judged according to the area image to obtain a first recognition result;

[0007] The environmental changes in each regional image are judged. If the environmental changes occur in the regional image, whether the environmental change information in the regional image is an object is judged based on the thermal imaging video to obtain a second recognition result;

[0008] If both the first recognition result and the second recognition result are objects, it is determined that an object has appeared and an alarm message is sent to the terminal device. If either of the first recognition result and the second recognition result is not an object, the change information, environmental change information and time are recorded.

[0009] In a possible implementation manner of the first aspect, after obtaining the alarm information, the method further includes:

[0010] The alarm information is stored in the constructed alarm database so that the staff can view the historical alarm information through the alarm database.

[0011] In a possible implementation of the first aspect, the temperature and moving objects of the substation to be inspected are monitored to obtain a thermal imaging video and a regional image, including:

[0012] The temperature of the substation to be inspected is monitored using thermal imaging sensor equipment to obtain thermal imaging video;

[0013] The image monitoring sensor equipment is used to monitor the moving objects in the substation to be inspected and obtain the regional image.

[0014] In a possible implementation manner of the first aspect, judging an environmental change in each regional image includes:

[0015] The environment in the regional image is compared with the environment in the previous regional image or the next regional image. If a difference is generated, it means that the environment in the regional image has changed.

[0016] A second aspect of an embodiment of the present invention provides a small animal detection device for a substation, the device comprising a monitoring module, a thermal imaging module, an image detection module and a judgment module.

[0017] Among them, the monitoring module is used to monitor the temperature and moving objects of the substation to be inspected, and obtain thermal imaging video and regional images;

[0018] The thermal imaging module is used to judge the temperature change in each frame of the thermal imaging video. If the temperature in the picture changes, the area where the temperature changes in the picture is intercepted to obtain change information, and whether the change information is an object is judged according to the area image to obtain a first recognition result;

[0019] The image detection module is used to judge the environmental changes in each regional image. If the environmental changes occur in the regional image, it is judged whether the environmental change information in the regional image is an object based on the thermal imaging video to obtain a second recognition result;

[0020] The judgment module is used to determine that an object appears if both the first recognition result and the second recognition result are yes, and send an alarm message to the monitoring center and the terminal device. If either of the first recognition result and the second recognition result is no, the change information and time are recorded.

[0021] In a possible implementation manner of the second aspect, the system further includes a history query module.

[0022] Among them, the historical query module is used to store the alarm information into the constructed alarm database so that the staff can view the historical alarm information through the alarm database.

[0023] In a possible implementation of the second aspect, the temperature and moving objects of the substation to be inspected are monitored to obtain a thermal imaging video and a regional image, including:

[0024] The temperature of the substation to be inspected is monitored using thermal imaging sensor equipment to obtain thermal imaging video;

[0025] The image monitoring sensor equipment is used to monitor the moving objects in the substation to be inspected and obtain the regional image.

[0026] In a possible implementation manner of the second aspect, judging an environmental change in each regional image includes:

[0027] The environment in the regional image is compared with the environment in the previous regional image or the next regional image. If a difference is generated, it means that the environment in the regional image has changed.

[0028] A third aspect of an embodiment of the present invention provides a substation small animal detection system, comprising:

[0029] A power supply module, a substation small animal detection device, a transmission module, and a monitoring center module, wherein the substation small animal detection device is used to perform the substation small animal detection method according to any one of claims 1 to 4;

[0030] The power module is connected to the small animal detection device of the substation, the small animal detection device of the substation is connected to the transmission module, and the transmission module is connected to the monitoring center module.

[0031] In a possible implementation of the third aspect, the power module is used to provide power to the substation small animal detection device;

[0032] The transmission module is used to transmit the recognition result to the monitoring center module;

[0033] The monitoring center module is used to send alarm information to terminal devices.

[0034] The method for detecting small animals in a substation provided by an embodiment of the present invention monitors the temperature and moving objects of the substation to be detected, obtains a thermal imaging video and a regional image, judges the temperature change in each frame of the thermal imaging video, and if the temperature in the image changes, intercepts the area in the image where the temperature changes, obtains change information, judges whether the change information is an object based on the regional image, obtains a first recognition result, judges the environmental change in each regional image, and if the environmental change occurs in the regional image, judges whether the environmental change information in the regional image is an object based on the thermal imaging video, and obtains a second recognition result. If both the first recognition result and the second recognition result are objects, it is determined that an object has appeared, and an alarm message is sent to the terminal device. If any of the first recognition result and the second recognition result is not an object, the change information, environmental change information, and time are recorded. Through the above method, the detection of small animals in the substation is realized, and the detection efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 : A schematic diagram of a detection process of an embodiment of a method for detecting small animals in a substation provided by the present invention;

[0036] Figure 2 : A detection flow chart of an embodiment of a method for detecting small animals in a substation provided by the present invention;

[0037] Figure 3 : A thermal imaging module detection flow chart of an embodiment of a method for detecting small animals in a substation provided by the present invention;

[0038] Figure 4 : A device block diagram of an embodiment of a method for detecting small animals in a substation provided by the present invention;

[0039] Figure 5 : A system block diagram of an embodiment of a method for detecting small animals in a substation provided by the present invention. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Please refer to Figure 1 , which is a flow chart of an embodiment of a method for detecting small animals in a substation provided by an embodiment of the present invention, including steps S101 to S104, each of which is specifically as follows:

[0042] S101. Monitor the temperature and moving objects of the substation to be inspected to obtain thermal imaging videos and regional images.

[0043] In this embodiment, Figure 2 In the process, after initializing the environment, the device starts to do detection work, using thermal imaging detection and image detection technology to identify the intrusion of small animals. Specifically, it uses thermal imaging sensor equipment and image monitoring sensor equipment to monitor the monitoring area of ​​the substation to be inspected, and transmits the captured thermal imaging video and images to.

[0044] The device functions include: 1) Small animal intrusion detection: using thermal imaging detection and image detection technology to identify small animal intrusions; 2) Communication function: sending alarm information to the mobile phones of relevant personnel; 3) Video recording function: automatically saving video images during alarm, which can be called up at any time by relevant personnel; 4) Historical information query: logging in to view relevant historical alarm situations.

[0045] The device is mainly divided into four parts: power module, intelligent analysis system, transmission and background monitoring center. Power module: 220V conventional power supply; intelligent analysis system: thermal imaging module, image detection module, MCU control motherboard; transmission: wireless 4G transmission module; background monitoring center: docking with Internet management platform, WeChat public account, alarm signal output. The intelligent analysis system is equipped with an MCU control motherboard, which contains an edge computing control card board. The thermal imaging sensor and image detection sensor both contain detection algorithm modules, and the thermal imaging module and image detection module are connected to the MCU control motherboard. By combining the system, it has the functions of moving object detection, temperature detection and image recognition.

[0046] In some embodiments, step S101 of "monitoring the temperature and moving objects of the substation to be inspected to obtain thermal imaging video and regional image" includes but is not limited to the following steps:

[0047] The temperature of the substation to be inspected is monitored using thermal imaging sensor equipment to obtain thermal imaging video;

[0048] The moving objects of the substation to be detected are monitored using image monitoring sensor equipment to obtain a regional image.

[0049] In this embodiment, after the environment is initialized, the device starts to detect. When small animals appear in the substation area, the thermal imaging module uses thermal imaging sensor equipment to detect the temperature change in the monitoring area. At the same time, the image detection module performs edge computing to detect moving objects and immediately stores the image and video information of the current moving object. The temperature difference information and pictures will be sent to the detection algorithm for identification, and the decision on whether to report the corresponding detection results will be made based on the identification results.

[0050] S102, judging the temperature change in each frame of the thermal imaging video, if the temperature in the picture changes, intercepting the area where the temperature changes in the picture to obtain change information, judging whether the change information is an object according to the area image, and obtaining a first recognition result.

[0051] In this embodiment, when the thermal imaging module detects the temperature change in the monitoring area, the temperature within the detection range of each frame is detected, and the environment is judged whether a new object appears based on the temperature difference in the monitoring area. If a new object is detected, the image temperature display of the monitoring area will change with the environmental state, and the change information will be integrated with the image recognition module signal for further analysis and judgment, such as Figure 3 .

[0052] The judgment results are divided into two types: small animals or not small animals. If it is a small animal, an alarm prompt information will be sent to the background monitoring center. If it is not a small animal, the program will perform a shielding operation.

[0053] S103, judging the environmental changes in the regional image, if there are environmental changes in the regional image, judging whether the environmental change information in the regional image is an object according to the thermal imaging video, and obtaining a second recognition result.

[0054] In this embodiment, the image detection module is used to detect foreign objects intruding within the detection range of each frame, and the environment is judged whether a new object appears based on the difference in the image screen of the monitoring area. After detecting a new object, the image display of the monitoring area will change with the environmental state, and the change information will be integrated with the signal of the thermal imaging module for analysis and judgment. The judgment result is divided into two types: small animals or not small animals. If it is a small animal, the alarm prompt information will be sent to the background monitoring center. If it is not a small animal, the program will perform a shielding operation.

[0055] In some embodiments, the step S103 of “determining environmental changes in the regional image” includes but is not limited to the following steps:

[0056] The environment in the regional image is compared with the environment in the previous regional image or the next regional image. If a difference is generated, it means that the environment in the regional image has changed.

[0057] In this embodiment, the intrusion of foreign objects within the detection range of each frame is detected, and the environment is judged whether a new object appears based on the difference in the image pictures of the monitoring area.

[0058] S104. If both the first recognition result and the second recognition result are objects, determine that an object has appeared and send an alarm message to the terminal device. If any of the first recognition result and the second recognition result is not an object, record change information, environmental change information and time.

[0059] In this embodiment, the appearance of a small animal can be determined by judging the environment based on the temperature difference in the monitored area and judging the appearance of a new object based on the image difference in the monitored area. That is, the above two conditions must be met at the same time to determine the small animal. The first is an object with a certain temperature, and the second is an object that can move. The MCU control mainboard in the intelligent detection system includes a thermal imaging module and an image detection module, which are all independent threads.

[0060] It should be understood that although Figure 1 The steps in the flowchart are shown in sequence as indicated by the arrows, but these steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified in this document, there is no strict order restriction for the execution of these steps, and these steps can be executed in other orders. Moreover, Figure 1 At least part of the steps may include multiple steps or multiple stages. These steps or stages are not necessarily performed at the same time, but can be performed at different times. The execution order of these steps or stages is not necessarily sequential, but can be performed in turn or alternately with other steps or at least part of the steps or stages in other steps.

[0061] In some embodiments, Figure 4 As shown, it shows a block diagram of a substation small animal detection device 400 provided in an embodiment of the present application, including: a monitoring module 401, a thermal imaging module 402, an image detection module 403 and a judgment module 404, wherein:

[0062] Among them, the monitoring module 401 is used to monitor the temperature and moving objects of the substation to be detected, and obtain thermal imaging video and regional images;

[0063] The thermal imaging module 402 is used to judge the temperature change in each frame of the thermal imaging video. If the temperature in the picture changes, the area where the temperature changes in the picture is intercepted to obtain change information, and whether the change information is an object is determined according to the area image to obtain a first recognition result;

[0064] The image detection module 403 is used to judge the environmental changes in the regional image. If the environmental changes occur in the regional image, it is judged whether the environmental change information in the regional image is an object based on the thermal imaging video to obtain a second recognition result.

[0065] The judgment module 404 is used to determine that an object appears if both the first recognition result and the second recognition result are yes, and send an alarm message to the monitoring center and the terminal device; if either of the first recognition result and the second recognition result is no, record the change information and time.

[0066] In some embodiments, the history query module,

[0067] Among them, the historical query module is used to store the alarm information into the constructed alarm database so that the staff can view the historical alarm information through the alarm database.

[0068] In some embodiments, the temperature and moving objects of the substation to be inspected are monitored to obtain thermal imaging videos and regional images, including:

[0069] The temperature of the substation to be inspected is monitored using thermal imaging sensor equipment to obtain thermal imaging video;

[0070] The image monitoring sensor equipment is used to monitor the moving objects in the substation to be inspected and obtain the regional image.

[0071] In some embodiments, determining the environmental change in the regional image includes:

[0072] The environment in the regional image is compared with the environment in the previous regional image or the next regional image. If a difference is generated, it means that the environment in the regional image has changed.

[0073] The specific implementation of the substation small animal detection device is basically the same as the specific implementation of the substation small animal detection method described above, and will not be repeated here.

[0074] In some embodiments, Figure 5 As shown, it shows a block diagram of a substation small animal detection system 500 provided in an embodiment of the present application, including a power supply module 501, a substation small animal detection device 400, a transmission module 502, and a monitoring center module 503, wherein the substation small animal detection device is used to execute the substation small animal detection method as described above;

[0075] The power module is connected to the small animal detection device of the substation, the small animal detection device of the substation is connected to the transmission module, and the transmission module is connected to the monitoring center module.

[0076] In some embodiments, the power module is used to provide power to the substation small animal detection device; the transmission module is used to transmit the identification result to the monitoring center module;

[0077] The monitoring center module is used to send alarm information to terminal devices.

[0078] Those of ordinary skill in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing related hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), RAMbus direct RAM (RDRAM), direct RAMbus dynamic RAM (DRDRAM), and RAMbus dynamic RAM (RDRAM), etc.

[0079] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. It is particularly pointed out that for those skilled in the art, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A method for detecting small animals in a substation, characterized in that: include: Monitor the temperature and moving objects of the substation to be inspected, and obtain thermal imaging videos and regional images; The temperature change in each frame of the thermal imaging video is judged. If the temperature in the picture changes, the area in the picture where the temperature changes is intercepted to obtain change information, and whether the change information is an object is judged according to the area image to obtain a first recognition result; The environmental change in the regional image is judged. If the environmental change occurs in the regional image, whether the environmental change information in the regional image is an object is judged according to the thermal imaging video to obtain a second recognition result; If both the first recognition result and the second recognition result are objects, it is determined that the object appears and an alarm message is sent to the terminal device. If either the first recognition result or the second recognition result is not an object, the change information, environmental change information and time are recorded.

2. The method for detecting small animals in a substation according to claim 1, characterized in that: After obtaining the alarm information, the method further includes: The alarm information is stored in a constructed alarm database so that staff can view historical alarm information through the alarm database.

3. The method for detecting small animals in a substation according to claim 1, characterized in that: The temperature and moving objects of the substation to be inspected are monitored to obtain thermal imaging videos and regional images, including: The temperature of the substation to be inspected is monitored using thermal imaging sensor equipment to obtain thermal imaging video; The moving objects of the substation to be detected are monitored using image monitoring sensor equipment to obtain a regional image.

4. The method for detecting small animals in a substation according to claim 1, characterized in that: The determining of the environmental change in the regional image includes: The environment in the region image is compared with the environment in the previous region image or the next region image. If a difference is generated, it indicates that the environment in the region image has changed.

5. A small animal detection device for a substation, characterized in that: It includes monitoring module, thermal imaging module, image detection module and judgment module. Wherein, the monitoring module is used to monitor the temperature and moving objects of the substation to be inspected, and obtain thermal imaging video and regional images; The thermal imaging module is used to judge the temperature change in each frame of the thermal imaging video. If the temperature in the picture changes, the area where the temperature changes in the picture is intercepted to obtain change information, and whether the change information is an object is judged according to the area image to obtain a first recognition result; The image detection module is used to judge the environmental changes in the regional image. If the environmental changes occur in the regional image, it is judged whether the environmental change information in the regional image is an object according to the thermal imaging video to obtain a second recognition result; The judgment module is used to determine the presence of the object if both the first recognition result and the second recognition result are yes, and send an alarm message to the monitoring center and the terminal device; if either the first recognition result or the second recognition result is no, record the change information and time.

6. The small animal detection device for a substation as claimed in claim 5, characterized in that: It also includes a historical query module. The historical query module is used to store the alarm information in the constructed alarm database, so that the staff can view the historical alarm information through the alarm database.

7. The small animal detection device for a substation as claimed in claim 5, characterized in that: The temperature and moving objects of the substation to be inspected are monitored to obtain thermal imaging videos and regional images, including: The temperature of the substation to be inspected is monitored using thermal imaging sensor equipment to obtain thermal imaging video; The moving objects of the substation to be detected are monitored using image monitoring sensor equipment to obtain a regional image.

8. The small animal detection device for a substation as claimed in claim 5, characterized in that: The determining of the environmental change in the regional image includes: The environment in the region image is compared with the environment in the previous region image or the next region image. If a difference is generated, it indicates that the environment in the region image has changed.

9. A substation small animal detection system, comprising a power module, a substation small animal detection device, a transmission module and a monitoring center module, wherein: The substation small animal detection device is used to perform the substation small animal detection method according to any one of claims 1 to 4; The power supply module is connected to the substation small animal detection device, the substation small animal detection device is connected to the transmission module, and the transmission module is connected to the monitoring center module.

10. The substation small animal detection system according to claim 9, characterized in that: The power module is used to provide power to the substation small animal detection device; The transmission module is used to transmit the recognition result to the monitoring center module; The monitoring center module is used to send alarm information to the terminal device.

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