Monitoring system and method based on digital converter station

Patent metadata

Field	Value
Publication number	US-12094191-B2
Application number	US-202418411019-A
Country	US
Kind code	B2
Filing date	Jan 11, 2024
Priority date	Sep 14, 2022
Publication date	Sep 17, 2024
Grant date	Sep 17, 2024

Abstract

A monitoring system based on a digital converter station includes a first monitoring terminal deployed at a first-level monitoring side, a second monitoring terminal deployed at a second-level monitoring side, and a third monitoring terminal deployed at a third-level monitoring side; the monitoring terminal at each level includes a communication module, a human-machine interaction module, a device status monitoring module, a device alarm management module, a video fusion processing module, and a data transmission adjustment and control module.

First claim

The invention claimed is:

1. A monitoring system based on a digital converter station, comprising a first monitoring terminal deployed at a first-level monitoring side, a second monitoring terminal deployed at a second-level monitoring side, and a third monitoring terminal deployed at a third-level monitoring side,
wherein monitored objects of the monitoring system comprise the digital converter station deployed at the third-level monitoring side; each of the first monitoring terminal, the second monitoring terminal and the third monitoring terminal comprises at least a communication module, a human-machine interaction module, a device status monitoring module, a device alarm management module, a video fusion processing module, and a data transmission adjustment and control module; the third monitoring terminal further comprises a data storage module configured to store data of the digital converter station,
the communication module is configured to implement communication among the first monitoring terminal, the second monitoring terminal and the third monitoring terminal; the device status monitoring module is configured to monitor and manage ledger information, operation information and monitoring data of all devices of the digital converter station; the device alarm management module is configured to manage alarm information of all devices of the digital converter station; the human-machine interaction module is configured to receive a monitoring retrieval request of a user at a local monitoring side,
each video fusion processing module is configured to: in response to the monitoring retrieval request of the user at the local monitoring side, perform video fusion processing by using video fusion raw data in the data of the digital converter station, to obtain video fusion images to be retrieved by the user at the local monitoring side,
each data transmission adjustment and control module is configured to: in a process of transmitting service data from a local monitoring terminal to another monitoring terminal, when a preset rate adjustment condition of the service data is triggered, adjust a current data transmission rate of the service data according to an available network bandwidth and minimum delay time detected before the rate adjustment condition is triggered, a delay time detected when the rate adjustment condition is triggered, and a delay recovery time configured based on a data type of the service data, to continue to transmit the service data to another monitoring terminal in the adjusted data transmission rate.

2. The monitoring system based on a digital converter station of claim 1 , wherein the data transmission adjustment and control module configured to: in the process of transmitting the service data from the local monitoring terminal to another monitoring terminal, when the preset rate adjustment condition of the service data is triggered, adjust the current data transmission rate of the service data according to the available network bandwidth and minimum delay time detected before the rate adjustment condition is triggered, the delay time detected when the rate adjustment condition is triggered, and the delay recovery time configured based on the data type of the service data, to continue to transmit the service data to another monitoring terminal in the adjusted data transmission rate, specifically comprises that:
in the process of transmitting the service data from the local monitoring terminal to another monitoring terminal, when the preset rate adjustment condition of the service data is triggered, the data transmission adjustment and control module is configured to acquire an available network bandwidth S0 and minimum delay time RTT0 detected before the rate adjustment condition is triggered, a delay time RTT2 detected when the rate adjustment condition is triggered, and a delay recovery time t configured based on the data type of the service data,
the data transmission adjustment and control module is configured to calculate a current available network bandwidth estimation value S2 according to a formula S2=RTT0/RTT2*S0,
the data transmission adjustment and control module is configured to calculate a service data volume n entering a buffer according to a formula n=(RTT2−RTT0)*S0,
the data transmission adjustment and control module is configured to calculate a rate adjustment target value S2′ of the service data according to a formula S2′=S2−n/t,
the data transmission adjustment and control module is configured to adjust the current data transmission rate of the service data according to the rate adjustment target value S2′ to obtain an adjusted data transmission rate S0′ which meets S0′≤S2′, to continue to transmit the service data to another monitoring terminal in the adjusted data transmission rate S0′.

3. The monitoring system based on a digital converter station of claim 2 , wherein the delay recovery time is obtained by the data transmission adjustment and control module querying a preset delay recovery time table according to the data type of the service data, wherein the delay recovery time table comprises at least one data type and a delay recovery time configured corresponding to each data type, and the higher the priority of service data corresponding to each data type, the shorter the delay recovery time configured corresponding to the data type.

4. The monitoring system based on a digital converter station of claim 1 , wherein the third monitoring terminal further comprises a fault recording management module, a data report management module, a digital station area management module, and a remote intelligent patrol module,
the fault recording management module is configured to manage a fault recording file of the digital converter station, and perform online parsing according to the fault recording file,
the data report management module is configured to perform statistics on the service data of the digital converter station, present historical data, statistical data and analysis data in different report forms according to operation and maintenance requirements of the digital converter station, and implement a report task formulation function, an automatic report generation function, a report exporting function and a report printing function,
the digital station area management module is configured to monitor and manage security, fire protection and power environment of the digital converter station with a station area of the digital converter station as a main body,
the remote intelligent patrol module is configured to control a monitoring device to perform joint patrol operations of indoor and outdoor devices, and analyze patrol data to form a patrol result and patrol report.

5. The monitoring system based on a digital converter station of claim 1 , wherein the digital converter station is provided with a unified common component, the common component comprises a service component and a data component, and the service component and the data component are configured to provide a service function interface and basic data service based on a unified specification to each application system of the digital converter station, and formulate a unified data interaction protocol and data interaction format, to provide a unified data service interface to the third monitoring terminal,
wherein the digital converter station is provided with a unified basic application, and the basic application is built by using a unified basic software and hardware facility, a unified data model, a unified data service specification and a unified application development specification.

6. The monitoring system based on a digital converter station of claim 5 , wherein the basic application comprises a station-wide video management and control application, a station-wide three-dimensional

Assignees

• State Grid Corp China
• State Grid Economic And Tech Research Institute Co Ltd
• Nr Electric Co Ltd
• Xj Group Corp
• Nari Technology Co Ltd
• Beijing Sgitg Accenture Information Tech Center Co Ltd
• Huawei Tech Co Ltd

Inventors

• Jin Wei
• Wang Qing
• Guo Xianshan
• Lyu Jun
• Liu Siyuan
• Zhang Xiang
• Wang Yanguo
• Zhang Zhanguo
• Wang Haifeng
• Tong Chong
• Li Ming
• Cheng Wei
• Zhao Ning
• Chen Zhou
• Hou Xiaojun
• Zhao Hanqing

Classifications

• H04L43/0864

  Round trip delays · CPC title

• H04L43/0841

  Round trip packet loss · CPC title

• G06V20/52

  Surveillance or monitoring of activities, e.g. for recognising suspicious objects (recognising microscopic objects G06V20/69) · CPC title

• H04L65/80

  Responding to QoS · CPC title

• H04N5/265

  Mixing · CPC title