Monitoring device for video information acquisition of electric power internet of things

Abstract

The invention relates to the field of power network monitoring, and particularly discloses a monitoring device for power internet of things video information acquisition, which comprises power transformation equipment, the power transformation equipment comprises a mounting frame, edge sensing equipment, an insulator and a camera mechanism, and the edge sensing equipment comprises an MCU, a storage module, a WIFI module, a Rogowski coil, a communication unit and an interface unit; the interface unit comprises an Ethernet interface, a USB (Universal Serial Bus) interface and a serial port, the communication unit comprises WIFI (Wireless Fidelity) and a mobile network, the edge sensing equipment is externally connected with a cloud platform through the communication unit, and the cloud platform performs monitoring processing on power transformation equipment based on CIM (Common Information Model) modeling. The arranged edge sensing device integrally monitors line current on a cable, fault current information of a node is transmitted to the interior of the MCU through the interface unit, and the monitored working current and distribution transformer voltage monitoring data are fused to assist in positioning a fault distribution transformer, so that the fault distribution transformer is accurately positioned. And monitoring of images and internal node faults in a power network can be realized in cooperation with the camera shooting mechanism.

Description

Technical Field

[0001] The present invention relates to the field of power network monitoring, and in particular to a monitoring device for collecting video information of a power Internet of Things. Background Art

[0002] Video surveillance in the distribution network is the basis for ensuring the normal, efficient and stable use of the network. With the rapid development of computers, networks, image processing and transmission technologies, video surveillance technology has made great progress. For monitoring systems, users' demands for their functions have become diversified and systematic; mainly manifested in higher requirements for digitization, networking and system integration. Remote video browsing and control can be carried out through the network, and any authorized client can directly access any camera. The current video surveillance construction is increasing.

[0003] However, due to the problems existing in the distribution network, simple image monitoring cannot respond intuitively, and when a circuit fails, the signal cannot be obtained in the first time. Summary of the invention

[0004] In view of the existing problems, the present invention provides a monitoring device for collecting video information of the power Internet of Things, which can be used in combination to effectively solve the problems raised in the background technology.

[0005] To solve the above problems, the present invention adopts the following technical solutions: A monitoring device for collecting video information of an electric power Internet of Things, comprising a transformer substation, the transformer substation comprising: a mounting frame, an edge sensing device, an insulator, and a camera mechanism, an insulator is installed in an array on the upper surface of the mounting frame, a cable is arranged on the inner side of the insulator, a CT power supply mechanism is connected between the outer side of the cable and the edge sensing device, and the edge sensing device comprises: an MCU, a storage module, a WIFI module, a Rogowski coil, a communication unit, and an interface unit; An ADC module is provided inside the MCU, and an integrator is connected between the Rogowski coil and the ADC module via an output circuit; The interface unit includes: an Ethernet interface, a USB interface, and a serial port; the communication unit includes: WIFI and a mobile network; the edge sensing device is connected to a cloud platform through the communication unit; and the cloud platform monitors and processes the substation equipment based on CIM model modeling; A time synchronization module is connected between the camera mechanism and the MCU, a power supply module is connected between the CT power supply mechanism and the MCU, the MCU is externally connected to a power supply module, and the power supply module and the power supply module are electrically connected.

[0006] As a further solution of the present invention: the insulator comprises: a strain sensor, a leakage current module, a flashover sensor, a leakage current stealing power supply module, and a Beidou positioning module; The leakage current module and the leakage current stealing power supply module are used to detect the comprehensive leakage current of the line, and the strain sensor is used to detect the weight of the wire; A sensor module is connected between the two insulators, and the sensor module includes: a photoelectric locator, a time-space sensor, a displacement sensor, a stress sensor, and an inertial sensor. It is characterized in that the insulator includes: a strain sensor, a leakage current module, a flashover sensor, a leakage current stealing power supply module, and a Beidou positioning module.

[0007] As a further solution of the present invention: the camera mechanism cooperates with the time synchronization module to perform 7*24h recording, and the camera mechanism supports the retrieval and playback of recordings, and supports obtaining corresponding recording files from the network video recorder NVR according to equipment, channel, and date for retrieval and playback of recordings.

[0008] As a further solution of the present invention: the Rogowski coil is used to measure the line current, monitor the fault current information of the node, monitor the working current and the distribution transformer voltage monitoring data fusion, and assist in locating the position of the faulty distribution transformer and the stolen distribution transformer.

[0009] As a further solution of the present invention: a medium-voltage lightning arrester is arranged above the insulator, and the leakage current on the medium-voltage lightning arrester in the entire circuit is sampled and powered, and a temperature sensor is attached to the casing of the medium-voltage lightning arrester to measure the temperature, and data is transmitted through a radio frequency circuit to detect the open circuit failure state of the lightning arrester.

[0010] As a further solution of the present invention: the leakage current module and the leakage current stealing power supply module are used to detect the comprehensive leakage current of the line, and the strain sensor is used to detect the weight of the wire.

[0011] As a further solution of the present invention: a storage battery is connected between the CT power supply mechanism and the camera mechanism, and the storage battery is externally connected to a solar power generation device.

[0012] As a further solution of the present invention: wherein the access requirements are graded according to preset rules, the specific steps are as follows: The edge-cloud collaborative substation equipment status monitoring system integrates cloud computing and edge computing technologies into the multi-state quantity monitoring of substation equipment, and the edge computing device performs data processing, fusion, analysis and edge services on-site; Realize the management of edge models, edge computing devices, substation equipment, edge applications and more advanced cloud services for users on the cloud platform; In the edge computing device, interaction with sensing devices, data collection and processing, network services, protocol conversion and edge services are realized. The service applications of the edge computing device are centrally managed by the cloud platform, which holds the collaborative services of substation equipment status monitoring.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The edge sensing device is set up to monitor the line current on the cable as a whole, and transmits the fault current information of the node to the inside of the MCU through the interface unit. By integrating the monitored working current with the distribution transformer voltage monitoring data, it assists in locating the faulty distribution transformer. In conjunction with the camera mechanism, it can realize the monitoring of images and internal node faults in the power network.

[0014] 2. The edge-cloud collaborative substation equipment status monitoring system integrates cloud computing and edge computing technologies into the multi-state quantity monitoring of substation equipment, and realizes interaction with sensing devices, data collection and processing, network services, protocol conversion and edge services in edge computing devices. The service applications of edge computing devices are centrally managed by the cloud platform, which holds the collaborative services of substation equipment status monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a monitoring device for collecting video information of the power Internet of Things; Figure 2 This is a partial enlarged view of the entire device in a monitoring device for collecting video information in the power Internet of Things; Figure 3 It is a structural schematic diagram of an insulator in a monitoring device for collecting video information of the power Internet of Things; Figure 4 This is a network topology diagram of a parallel capacitor bank in a monitoring device for collecting video information in the power Internet of Things. Figure 5 It is a flow chart of detecting nodes in a monitoring device for collecting video information of the power Internet of Things; Figure 6 It is a flow chart of the aggregation nodes in a monitoring device for collecting video information of the power Internet of Things; Figure 7 This is a flow chart of edge-cloud collaborative monitoring in a monitoring device for collecting video information in the power Internet of Things.

[0016] In the figure: 1. Power pendant; 2. Mounting frame; 3. Cable; 4. Power distribution detection node; 5. CT power supply mechanism; 6. Insulator; 7. Camera mechanism; 601. Photoelectric locator; 602. Space-time sensor; 603. Displacement sensor; 604. Stress sensor; 605. Inertial sensor. DETAILED DESCRIPTION

[0017] The present invention is further described below in conjunction with specific inventions, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the present invention.

[0018] In the description of this specification, the description with reference to the terms "this embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example, and the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0019] like Figure 1-7As shown, the present embodiment provides a monitoring device for collecting video information of the power Internet of Things, including a transformer substation 1, the transformer substation 1 including: a mounting frame 2, an edge sensing device 4, an insulator 6, and a camera mechanism 7. An array of insulators 6 are installed on the upper surface of the mounting frame 2, a cable 3 is arranged on the inner side of the insulator 6, and a medium-voltage lightning arrester is arranged above the insulator 6. The leakage current on the medium-voltage lightning arrester on the entire circuit is sampled and powered. A temperature sensor is attached to the outer shell of the medium-voltage lightning arrester to measure the temperature, and the open circuit failure state of the lightning arrester is detected by transmitting data through a radio frequency circuit. A CT power supply mechanism 5 is connected between the outer side of the cable 3 and the edge sensing device 4. The edge sensing device 4 includes: an MCU, a storage module, a WIFI module, a Roche coil, a communication unit, and an interface unit. The Roche coil is used to measure the line current, monitor the fault current information of the node, monitor the working current and the distribution transformer voltage monitoring data fusion, and assist in locating the position of the faulty distribution transformer and the stolen distribution transformer; an ADC module is arranged inside the MCU, and an integrator is connected between the Roche coil and the ADC module through an output circuit; the interface unit includes : Ethernet interface, USB interface, serial port, the communication unit includes: WIFI and mobile network, the edge sensing device 4 is connected to the cloud platform through the communication unit, and the cloud platform monitors and processes the substation equipment 1 based on CIM model modeling; a time synchronization module is connected between the camera mechanism 7 and the MCU, a power supply module is connected between the CT power supply mechanism 5 and the MCU, the MCU is externally connected to the power supply module, and the power supply module and the power supply module are electrically connected, wherein the access requirements are graded according to preset rules, and the specific steps are: the edge-cloud collaborative substation equipment status monitoring system integrates cloud computing and edge computing technologies into the multi-state quantity monitoring of substation equipment, and the edge computing device performs data processing, fusion, analysis and edge services on-site; realizes the management of edge models, edge computing devices, substation equipment, edge applications and more advanced cloud services for users on the cloud platform; realizes interaction with sensing devices, data collection and processing, network services, protocol conversion and edge services in the edge computing device, and the service applications of the edge computing device are uniformly managed by the cloud platform, which controls the collaborative services of substation equipment status monitoring.

[0020] like Figure 2-7As shown, in this embodiment, the insulator 6 includes: a strain sensor, a leakage current module, a flashover sensor, a leakage current stealing power supply module, and a Beidou positioning module; the leakage current module and the leakage current stealing power supply module are used to detect the comprehensive leakage current of the line, and the strain sensor is used to detect the weight of the wire; a sensor module is connected between the two insulators 6, and the sensor module includes: a photoelectric locator 601, a time-space sensor 602, a displacement sensor 603, a stress sensor 604, and an inertial sensor 605. It is characterized in that the insulator 6 includes: a strain sensor, a leakage current module, a flashover sensor, a leakage current stealing power supply module, and a Beidou positioning module, the leakage current module and the leakage current stealing power supply module are used to detect the comprehensive leakage current of the line, the strain sensor is used to detect the weight of the wire, a battery is connected between the CT power supply mechanism 5 and the camera mechanism 7, the battery is externally connected to a solar power generation device, and the camera mechanism 7 cooperates with the time synchronization module to perform 7*24h recording, and the camera mechanism 7 supports video retrieval and playback, and supports obtaining corresponding video files from the network hard disk recorder NVR according to equipment, channel, and date for video retrieval and playback.

[0021] The working principle of the present invention is: when working, first, by connecting the edge sensing device 4 as a whole cloud-edge collaborative service platform and the camera mechanism 7 as a whole, a power Internet of Things monitoring system is constructed. The camera mechanism 7 uses the communication unit and then adopts any information transmission method among Ethernet, mobile data, and WIFI to collect the image data and transmit it to the control unit for processing and transmission. The whole system adopts the "cloud-pipe-edge-end" system architecture, and the "end" side realizes the state detection of power equipment and the optimized deployment and access of sensors; the "edge" side processes and fuses the collected data based on the self-developed edge computing device, and provides low-latency edge services for related applications; the "cloud" end performs correlation analysis on the alarm information and abnormal data, and for the state evaluation of the parallel capacitor group, a current monitoring scheme is used to detect the current of multiple branches in the parallel capacitor group, and the collected current data is sent to the edge computing end, which aggregates and stores the data of each detection end, and uses the capacitor state evaluation algorithm to analyze and calculate the acquired data to obtain the evaluation result of the capacitor state; the "pipe" side realizes the panoramic perception and equipment management of the equipment, and associates and integrates with the multi-business forms of electricity. The image data of the entire substation equipment 1 is transmitted, and the edge sensing device 4 monitors the line current on the cable 3 as a whole, and transmits the fault current information of the node to the inside of the MCU through the interface unit. By integrating the monitoring working current with the distribution transformer voltage monitoring data, the location of the faulty distribution transformer and the stolen distribution transformer is assisted in locating the line current, monitoring the fault current information of the node, monitoring the working current and the distribution transformer voltage monitoring data, and assisting in locating the location of the faulty distribution transformer and the stolen distribution transformer. At the same time, the cloud-edge collaborative service platform issues instructions to control the cloud platform to transmit the information according to the IEC61850 protocol The edge service and the cloud platform collaborate to integrate cloud computing and edge computing technologies into the multi-state quantity monitoring of substation equipment. The edge computing device processes, integrates, analyzes and provides edge services on-site. The cloud platform manages edge models, edge computing devices, substation equipment, edge applications and more advanced cloud services for users. The edge computing device interacts with sensing devices, collects and processes data, provides network services, converts protocols and provides edge services. The service applications of the edge computing device are centrally managed by the cloud platform, which provides collaborative services for the status monitoring of substation equipment.

[0022] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A monitoring device for collecting video information of an electric power Internet of Things, comprising a substation device (1), characterized in that: The substation equipment (1) comprises: a mounting frame (2), an edge sensing device (4), an insulator (6), and a camera mechanism (7); the insulators (6) are mounted in an array on the upper surface of the mounting frame (2); a cable (3) is arranged on the inner side of the insulator (6); a CT power supply mechanism (5) is connected between the outer side of the cable (3) and the edge sensing device (4); the edge sensing device (4) comprises: an MCU, a storage module, a WIFI module, a Rogowski coil, a communication unit, and an interface unit; An ADC module is provided inside the MCU, and an integrator is connected between the Rogowski coil and the ADC module via an output circuit; The interface unit includes: an Ethernet interface, a USB interface, and a serial port; the communication unit includes: WIFI and a mobile network; the edge sensing device (4) is connected to an external cloud platform via the communication unit; the cloud platform monitors and processes the substation equipment (1) based on CIM model modeling; A time synchronization module is connected between the camera mechanism (7) and the MCU, a power supply module is connected between the CT power supply mechanism (5) and the MCU, the MCU is externally connected to a power supply module, and the power supply module and the power supply module are electrically connected.

2. A monitoring device for collecting video information of electric power Internet of Things according to claim 1, characterized in that: The insulator (6) comprises: a strain sensor, a leakage current module, a flashover sensor, a leakage current stealing power supply module, and a Beidou positioning module; The leakage current module and the leakage current stealing power supply module are used to detect the comprehensive leakage current of the line, and the strain sensor is used to detect the weight of the wire; A sensor module is connected between the two insulators (6), and the sensor module comprises: a photoelectric locator (601), a time-space sensor (602), a displacement sensor (603), a stress sensor (604), and an inertial sensor (605). The insulator (6) comprises: a strain sensor, a leakage current module, a flashover sensor, a leakage current stealing power supply module, and a Beidou positioning module.

3. A monitoring device for collecting video information of electric power Internet of Things according to claim 2, characterized in that: The camera mechanism (7) cooperates with the time synchronization module to perform 7*24h recording, and the camera mechanism (7) supports the retrieval and playback of recordings, and supports the retrieval and playback of recordings by obtaining corresponding recording files from a network video recorder (NVR) according to equipment, channel, and date.

4. A monitoring device for collecting video information of electric power Internet of Things according to claim 2, characterized in that: The Rogowski coil is used to measure the line current, monitor the fault current information of the node, monitor the working current and integrate the distribution transformer voltage monitoring data, and assist in locating the position of the faulty distribution transformer and the stolen distribution transformer.

5. The monitoring device for collecting video information of the power Internet of Things according to claim 2 is characterized in that: A medium-voltage lightning arrester is arranged above the insulator (6). The leakage current on the medium-voltage lightning arrester in the entire circuit is sampled and powered. A temperature sensor is attached to the outer shell of the medium-voltage lightning arrester to measure the temperature. The open-circuit failure state of the lightning arrester is detected by transmitting data through a radio frequency circuit.

6. A monitoring device for collecting video information of electric power Internet of Things according to claim 3, characterized in that: The leakage current module and the leakage current stealing power supply module are used to detect the comprehensive leakage current of the line, and the strain sensor is used to detect the weight of the wire.

7. The monitoring device for collecting video information of the power Internet of Things according to claim 2 is characterized in that: A storage battery is connected between the CT power supply mechanism (5) and the camera mechanism (7), and the storage battery is externally connected to a solar power generation device.

8. A monitoring device for collecting video information of the power Internet of Things according to claim 1, characterized in that: The access requirements are graded according to the preset rules. The specific steps are as follows: The edge-cloud collaborative substation equipment status monitoring system integrates cloud computing and edge computing technologies into the multi-state quantity monitoring of substation equipment, and the edge computing device performs data processing, fusion, analysis and edge services on-site; Realize the management of edge models, edge computing devices, substation equipment, edge applications and more advanced cloud services for users on the cloud platform; In the edge computing device, interaction with sensing devices, data collection and processing, network services, protocol conversion and edge services are realized. The service applications of the edge computing device are centrally managed by the cloud platform, which holds the collaborative services of substation equipment status monitoring.

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