CN102081815A - Transformer substation comprehensive security platform applying Internet of Things (IOT) technology - Google Patents

Abstract

The substation comprehensive security platform applying Internet of Things technology includes a security management server, bureau data center, remote monitoring workstation, transmitting antenna, RFID reader, switch, in-station monitoring machine and interval radio frequency gate control terminal. The office data center is connected to the security management server and the remote monitoring workstation, and is connected to the monitoring network in the station. Below the office data center, there are at least two in-station monitoring networks set up side by side. The in-station monitoring network is connected to the GPS handset and the interval radio frequency gate control terminal set at intervals in the station through wireless communication. According to the scope of the specific task area, 1 to n number of interval radio frequency gate control terminals can be set. In the monitoring network in the station, the switchboard is connected to the data center of the office, and at the same time connected to the transmitting antenna, RFID reader and monitoring machine in the station through connecting wires. The present invention has simple overall structure, convenient installation and operation, good stability and high reliability.

Description

Substation comprehensive security platform applying Internet of Things technology

technical field

The invention relates to a substation safety protection system, in particular to a substation comprehensive security platform applying Internet of Things technology.

Background technique

The substation is the hub of the transmission line and an important first-level protection place. Any accident in it will affect the entire power grid, which will bring great harm and influence to social stability and economic development. In recent years, the criminal methods and anti-reconnaissance capabilities of criminals have become stronger and stronger, and the use of various methods to steal and destroy power and related auxiliary equipment is a major hidden danger to the safe operation of power systems. However, people's defense and physical defense are often unable to prevent crimes in a timely and effective manner. It is imperative to use high-tech means to strengthen prevention. The protection of the surrounding wall and gate area of the substation is an important part of the substation to prevent external damage. At present, the substation security system mainly uses infrared radiation, high-voltage power grid and other means, which cannot effectively identify the identity of personnel, the false alarm rate is high, and it is easy to cause leakage after disarming. Today, with the rapid development of high technology, "digitalization, networking, modularization, and intelligence" are new requirements for the perimeter protection system of substations, and it is also to give full play to the role of the perimeter system to realize "requiring police force from technology and security from technology." " important way. Regular inspection of equipment in the station and early detection of defects and hidden dangers are necessary means to ensure the safe and reliable operation of the power system. In order to prevent some operating personnel from arbitrarily extending the inspection interval due to lack of responsibility, lack of seriousness in work, and luck, so that defects and hidden dangers that could have been discovered as early as possible were not discovered in time, resulting in delays in repair time and missed opportunities for emergency repairs. The phenomena that lead to accidents need to be traced to the inspection situation of the operating personnel. Maintenance personnel may stray into live compartments due to lack of concentration, unfamiliarity with the site environment, and loss of supervision during power outage maintenance, causing personal injury accidents, and technical measures need to be taken to prevent them.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art, provide a comprehensive security platform for substations using Internet of Things technology, improve the intrusion detection capability of unattended substations, use the identity recognition system to reduce the workload of monitoring personnel, and improve work efficiency . Record the inspection status of operating personnel to improve the inspection rate. Combined with the PMS production management system, through voice prompts and alarm functions, it prevents unauthorized personnel from entering the live equipment area and prevents personal accidents. Cooperate with access control system to realize keyless management.

The substation comprehensive security platform applying Internet of Things technology described in the present invention includes a security management server, a bureau data center, a remote monitoring workstation, a transmitting antenna A, an RFID reader A, a switch A, an in-station monitoring machine A, and a transmitting antenna B , RFID reader B, switch B, station monitoring machine B and interval radio frequency gate control terminal. The office data center is connected to the security management server and the remote monitoring workstation, and is connected to the monitoring network in the station. Below the office data center, there are at least two in-station monitoring networks arranged side by side. The first in-station monitoring network consists of transmitting antenna A, RFID reader A, switch A and in-station monitoring machine A. The second in-station monitoring network includes It consists of transmitting antenna B, RFID reader B, switch B and monitoring machine B in the station. The monitoring network in the station is connected with the GPS handset and the interval radio frequency gate control terminal set at intervals in the station through wireless communication. According to the scope of the specific mission area, 1 to n number of said interval radio frequency gate control terminals can be set. In the first in-station monitoring network, switch A is connected to the office data center, and at the same time connected to the transmitting antenna A, RFID reader A and in-station monitoring machine A through connecting wires; in the second in-station monitoring network, switch B is in a pair Connect to the office data center, and connect to the transmitting antenna B, RFID reader B and station monitoring machine B through connecting wires. The substation comprehensive security platform applying the Internet of Things technology described in the present invention specifically adopts the Internet of Things technology to monitor personnel in the substation through radio frequency identification (RFID), infrared sensors, global positioning systems, laser scanners and other information sensing equipment. Identification. Track the patrol situation of the operating personnel; combined with the power outage maintenance fence, remind and stop the maintenance personnel from entering the live equipment area by mistake; give an alarm to the intrusion of unknown persons. The information is transmitted to the monitoring room through the local area network to realize the intelligent management of substation security. For the staff who enter the work area for normal construction, wearing radio frequency cards, when the staff pass through the access control system, they will first be monitored by the access control infrared system, and at the same time, the radio frequency reader also detects the staff's radio frequency card information , compared with the identity information of the planned staff preset in the system, and if it is confirmed that the staff is legally entering, the system will automatically release it, and if it is not the designated staff, the system will give a sound alarm prompt. And the reminder can be sent not only at the site of the monitoring point, but also at the desktop of the background monitoring system to prevent unauthorized personnel from entering the work area. If after infrared detection, it is found that someone has entered the monitoring area, and at this time the RF reader does not detect the identity information of the person entering, the monitoring point will also alarm, and the background management system will also alarm at the same time, prompting the management personnel to make judgments and deal with. In order to strengthen production safety management and strictly manage the routes of the workers, the construction workers are equipped with handheld devices with GPS positioning function. After the workers enter the substation, all the routes passed by the handsets are recorded and transmitted wirelessly at the same time. , The location information of the staff is transmitted to the background management system in real time, and the monitoring personnel can remotely see the movement path of the on-site personnel. For the situation that does not match the pre-set construction work path, the system automatically judges and prompts the background monitoring personnel to deal with it. At the same time, the handsets of the on-site construction personnel will also send out an alarm message, prompting the construction personnel to move towards a reasonable construction path. Combining with the maintenance fence during power outages, the maintenance personnel will be reminded and prevented from entering the live equipment area by mistake. According to the actual equipment distribution of the substation, the substation is divided into several possible power outage maintenance fence areas, and these maintenance fence areas are standardized in advance, and drawn in the background management system to form the preset area of the electronic fence. When actual needs When performing maintenance work in a certain area, the system automatically generates the actual need to determine the power-off maintenance fence according to the preset power-off maintenance fence. Use the positioning function of GPS to determine the actual working path of maintenance personnel during power outages, and feed back to the background monitoring and management system in real time, so that background supervisors can observe the movement of construction personnel on site in real time. Since the positioning accuracy of ordinary civilian GPS is about 5-10 meters, it cannot meet the accuracy requirements of actual positioning. Therefore, it is necessary to set up a fixed GPS positioning base station in the substation to calibrate the positioning accuracy of handheld GPS devices. For the management of the indoor intervals of the substation, it is planned to use the radio frequency electric control door lock system for standardized management, and strictly restrict the maintenance personnel to carry out on-site construction operations in accordance with the pre-established operating procedures and operation ticket instructions. Based on the RF electronically controlled door lock system, only personnel who have been arranged according to the work order plan can use the RF card to open the compartment door locks that need to be repaired within the specified time period, and enter the compartment that needs to be repaired for construction operations. The substation comprehensive security platform applying Internet of Things technology consists of four parts: radio frequency monitoring and identification subsystem, infrared monitoring and identification subsystem for personnel positioning and alarm, interval radio frequency electronic control door lock subsystem and substation inspection management subsystem. In terms of application, it is divided into two parts: the background management system and the mobile inspection system. The technologies adopted involve Internet of Things and RFID technology, infrared monitoring technology, laser scanning technology, radio frequency electronic control central control technology, GPS precise positioning technology, computer network integration technology and other technologies. The substation inspection management subsystem is part of the overall solution of the substation comprehensive security platform applying Internet of Things technology. It has the same server and network system as the project, and adds inspection workstations, mobile inspection terminals, etc. The inspection personnel use the mobile inspection terminal to read the barcode labels installed on the electrical equipment to locate the equipment, and quickly record the equipment defects found during the inspection. After the inspection task is completed, the inspection results are uploaded to the inspection workstation and published through the Web, so that relevant leaders and departments can obtain the required information in a timely manner. The main functions of the line inspection system are: task management, inspection template management, inspection route management, query statistics, mobile inspection management system, inspection workstation management system, etc.

The substation comprehensive security platform applying Internet of Things technology described in the present invention, combined with the production management system, can effectively identify the identity of personnel, determine the location of personnel, and prevent personnel from entering the live equipment area by means of on-site prompts and access control to reduce the risk of electric shock , Improve personal safety of personnel; track the inspection route of operating personnel to prevent missed inspections and wrong inspections. The present invention has simple overall structure, convenient installation and operation, good stability and high reliability.

Description of drawings

Accompanying drawing 1 is the structure schematic diagram of the comprehensive security platform of substation applying Internet of things technology described in the present invention. 1—Security Management Server 2—Office Data Center 3—Remote Monitoring Workstation 4—Transmitting Antenna A 5—RFID Reader A 6—Switch A 7—Station Monitoring Machine A 8—Transmitting Antenna B 9—RFID Reader B 10 —Exchange B 11—monitoring machine B in the station.

Detailed ways

With reference to accompanying drawing 1 now, in conjunction with embodiment description is as follows: the transformer substation comprehensive security platform of application Internet of things technology of the present invention includes security management server 1, office data center 2, remote monitoring workstation 3, transmitting antenna A4, RFID reader Writer A5, switch A6, station monitoring machine A7, transmitting antenna B8, RFID reader B9, switch B10, station monitoring machine B11 and interval radio frequency gate control terminal. The office data center 2 is connected to the security management server 1 and the remote monitoring workstation 3 in pairs, and is connected to the monitoring network in the station at the same time. Below office data center 2, there are at least two in-station monitoring networks arranged side by side. The first in-station monitoring network consists of transmitting antenna A4, RFID reader A5, switch A6 and in-station monitoring machine A7. The second in-station monitoring network consists of It consists of transmitting antenna B8, RFID reader B9, switch B10 and station monitoring machine B11. The monitoring network in the station is connected with the GPS handset and the interval radio frequency gate control terminal set at intervals in the station through wireless communication. According to the scope of the specific mission area, 1 to n number of said interval radio frequency gate control terminals can be set. In the first in-station monitoring network, the switch A6 is connected to the office data center 2, and at the same time connected to the transmitting antenna A4, RFID reader A5 and in-station monitoring machine A7 through connecting wires; in the second in-station monitoring network, the switch B10 Connect to the office data center 2, and connect to the transmitting antenna B8, RFID reader B9 and station monitoring machine B11 through connecting wires. The substation comprehensive security platform applying the Internet of Things technology described in the present invention specifically adopts the Internet of Things technology to monitor personnel in the substation through radio frequency identification (RFID), infrared sensors, global positioning systems, laser scanners and other information sensing equipment. Identification. Track the patrol situation of the operating personnel; combined with the power outage maintenance fence, remind and stop the maintenance personnel from entering the live equipment area by mistake; give an alarm to the intrusion of unknown persons. The information is transmitted to the monitoring room through the local area network to realize the intelligent management of substation security. For the staff who enter the work area for normal construction, wearing radio frequency cards, when the staff pass through the access control system, they will first be monitored by the access control infrared system, and at the same time, the radio frequency reader also detects the staff's radio frequency card information , compared with the identity information of the planned staff preset in the system, and if it is confirmed that the staff is legally entering, the system will automatically release it, and if it is not the designated staff, the system will give a sound alarm prompt. And the reminder can be sent not only at the site of the monitoring point, but also at the desktop of the background monitoring system to prevent unauthorized personnel from entering the work area. If after infrared detection, it is found that someone has entered the monitoring area, and at this time the RF reader does not detect the identity information of the person entering, the monitoring point will also alarm, and the background management system will also alarm at the same time, prompting the management personnel to make judgments and deal with. In order to strengthen production safety management and strictly manage the routes of the workers, the construction workers are equipped with handheld devices with GPS positioning function. After the workers enter the substation, all the routes passed by the handsets are recorded and transmitted wirelessly at the same time. , The location information of the staff is transmitted to the background management system in real time, and the monitoring personnel can remotely see the movement path of the on-site personnel. For the situation that does not match the pre-set construction work path, the system automatically judges and prompts the background monitoring personnel to deal with it. At the same time, the handsets of the on-site construction personnel will also send out an alarm message, prompting the construction personnel to move towards a reasonable construction path. Combining with the maintenance fence during power outages, the maintenance personnel will be reminded and prevented from entering the live equipment area by mistake. According to the actual equipment distribution of the substation, the substation is divided into several possible power outage maintenance fence areas, and these maintenance fence areas are standardized in advance, and drawn in the background management system to form the preset area of the electronic fence. When actual needs When performing maintenance work in a certain area, the system automatically generates the actual need to determine the power-off maintenance fence according to the preset power-off maintenance fence. Use the positioning function of GPS to determine the actual working path of maintenance personnel during power outages, and feed back to the background monitoring and management system in real time, so that background supervisors can observe the movement of construction personnel on site in real time. Since the positioning accuracy of ordinary civilian GPS is about 5-10 meters, it cannot meet the accuracy requirements of actual positioning. Therefore, it is necessary to set up a fixed GPS positioning base station in the substation to calibrate the positioning accuracy of handheld GPS devices. For the management of the indoor intervals of the substation, it is planned to use the radio frequency electric control door lock system for standardized management, and strictly restrict the maintenance personnel to carry out on-site construction operations in accordance with the pre-established operating procedures and operation ticket instructions. Based on the RF electronically controlled door lock system, only personnel who have been arranged according to the work order plan can use the RF card to open the compartment door locks that need to be repaired within the specified time period, and enter the compartment that needs to be repaired for construction operations. The substation comprehensive security platform applying Internet of Things technology consists of four parts: radio frequency monitoring and identification subsystem, infrared monitoring and identification subsystem for personnel positioning and alarm, interval radio frequency electronic control door lock subsystem and substation inspection management subsystem. In terms of application, it is divided into two parts: the background management system and the mobile inspection system. The technologies adopted involve Internet of Things and RFID technology, infrared monitoring technology, laser scanning technology, radio frequency electronic control central control technology, GPS precise positioning technology, computer network integration technology and other technologies. The substation inspection management subsystem is part of the overall solution of the substation comprehensive security platform applying Internet of Things technology. It has the same server and network system as the project, and adds inspection workstations, mobile inspection terminals, etc. The inspection personnel use the mobile inspection terminal to read the barcode labels installed on the electrical equipment to locate the equipment, and quickly record the equipment defects found during the inspection. After the inspection task is completed, the inspection results are uploaded to the inspection workstation and published through the Web, so that relevant leaders and departments can obtain the required information in a timely manner. The main functions of the line inspection system are: task management, inspection template management, inspection route management, query statistics, mobile inspection management system, inspection workstation management system, etc. The substation comprehensive security platform applying Internet of Things technology described in the present invention, combined with the production management system, can effectively identify the identity of personnel, determine the location of personnel, and prevent personnel from entering the live equipment area by means of on-site prompts and access control to reduce the risk of electric shock , Improve personal safety of personnel; track the inspection route of operating personnel to prevent missed inspections and wrong inspections. The present invention has simple overall structure, convenient installation and operation, good stability and high reliability.

Claims (1)

1. The substation comprehensive security platform applying Internet of Things technology is characterized in that the office data center (2) is connected to the security management server (1) and the remote monitoring workstation (3), and is connected to the monitoring network in the station at the same time; the office data center ( 2) There are at least two in-station monitoring networks set up side by side. The first in-station monitoring network includes transmitting antenna A (4), RFID reader A (5), switch A (6) and in-station monitoring machine A (7) ), the second in-station monitoring network consists of transmitting antenna B (8), RFID reader B (9), switch B (10) and in-station monitoring machine B (11); in the first in-station monitoring network, Switch A (6) is connected to the office data center (2) in pairs, and at the same time connected to the transmitting antenna A (4), RFID reader A (5) and monitoring machine A (7) through the connecting wire; the second station In the monitoring network, the switch B (10) is connected to the office data center (2), and at the same time connected to the transmitting antenna B (8), RFID reader B (9) and the monitoring machine B (11) in the station through connecting wires.