Intelligent auxiliary system for traction power supply of electrified railways

Abstract

The intelligent auxiliary system for traction power supply of electrified railways includes a wide-area protection measurement and control system and an operation and maintenance system / PHM system. It is characterized by being composed of a video monitoring subsystem, an environmental monitoring subsystem, a security prevention subsystem, an access control subsystem, a power lighting control subsystem, a fire alarm subsystem, an online monitoring subsystem, a comprehensive monitoring platform, and a dynamic environment measurement and control device. The comprehensive monitoring platform is composed of a comprehensive application server, an auxiliary system operator station, and a station-side monitoring unit. The comprehensive monitoring platform of the present invention defines a unified interface specification for access of monitoring equipment through a software plug-in mechanism, realizes plug-and-play functions for multiple types of equipment such as multiple subsystems, and has multiple detection monitoring systems. Under the joint action of the comprehensive application server, each detection monitoring system can be unified on the platform, centrally managed, highly integrated, and intelligently optimized, meeting the operational needs of the intelligent substation and ensuring the safe operation of the intelligent power supply equipment.

Description

Technical Field

[0001] The invention belongs to the field of electrified railway traction power supply, in particular to an electrified railway traction power supply intelligent auxiliary system. Background Art

[0002] The electrified railway traction power supply substation is an important node in the operation of electrified railways. The safe operation of the substation plays an important role in the operation of the entire electrified railway. Therefore, it is particularly necessary to monitor various external interferences in the operation of the substation and the safe operation of peripheral supporting equipment. With the advancement of technology, unmanned operation is an inevitable trend in the development of traction substations, but there are still several difficulties today. First, the dispatching management center cannot understand the situation around the on-site buildings, which makes some safety precautions such as "fire prevention and anti-theft" impossible to achieve; second, if an abnormal situation occurs on site, since the integrated automation system cannot transmit the image of the site, it is difficult for the dispatching management center to obtain accurate visual data in the first time, and it is impossible to estimate the severity of the accident and make an accurate plan for accident handling. It can only wait for the maintenance personnel to arrive at the scene and then report by phone, which delays the progress of accident handling and affects railway transportation. Third, the dispatching management center cannot obtain the status of the on-site equipment. The existing substation auxiliary monitoring system is composed of multiple subsystems that are independently designed and built in batches. Due to the non-standard interfaces between the subsystems, it is difficult to achieve interaction and information exchange between the systems, resulting in decentralized management and independent management. In addition, the functions are not perfect. When a situation occurs, the monitoring data cannot be uploaded in a timely and effective manner, which restricts the unmanned operation of the traction substation. Summary of the invention

[0003] In order to overcome the disadvantages of existing traction substations that, due to the separate setting of monitoring subsystems, it is difficult to achieve interaction and information exchange between systems, management is decentralized, each system operates independently, and functions are imperfect, and monitoring data cannot be uploaded in a timely and effective manner when a situation occurs, which restricts the unmanned operation of traction substations. The present invention provides an intelligent auxiliary system for traction power supply for electrified railways with a variety of detection and monitoring subsystems. Under the joint action of a comprehensive monitoring platform, etc., each detection and monitoring subsystem can be unified on a platform, centrally managed, highly integrated, and intelligently optimized to meet the operational needs of smart substations and ensure the safe operation of smart power supply equipment.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] The intelligent auxiliary system for traction power supply of electrified railways includes a wide-area protection measurement and control system and an operation and maintenance system / PHM system. The system is characterized in that it is composed of a video monitoring subsystem, an environmental monitoring subsystem, a security subsystem, an access control subsystem, a power lighting control subsystem, a fire alarm subsystem, an online monitoring subsystem, an integrated monitoring platform, and a dynamic environment measurement and control device. The integrated monitoring platform is composed of an integrated application server, an auxiliary system operator station, and a station-end monitoring unit. The data output terminals of the environmental monitoring subsystem, the security subsystem, the power lighting control subsystem, and the fire alarm subsystem are connected to the data input terminal of the dynamic environment measurement and control device via a data line. The data output terminal of the dynamic environment measurement and control device is connected to the data input terminal of the integrated application server via a data line. The data output terminal of the video monitoring subsystem and the access control subsystem are connected to the data input terminal of the integrated application server via a data line. The data output terminal of the online monitoring subsystem is connected to the station-end The data input end of the monitoring unit is connected through a data cable, the auxiliary system operator station and the integrated application server are connected through wireless network data and realize information interaction, the wide area protection measurement and control system, the operation and maintenance system / PHM system and the integrated application server are connected through wireless network data and realize information interaction, the system integrates seven auxiliary function subsystems: video monitoring subsystem, environmental monitoring subsystem, security subsystem, access control subsystem, power lighting control subsystem, fire alarm subsystem, and online monitoring subsystem. On this basis, a unified monitoring platform, unified interface specifications, and unified information display are established to enable information exchange between subsystems, and to share and interact with the wide area protection measurement and control system and the operation and maintenance system / PHM system, realizing online monitoring of the intelligent primary equipment of the traction power supply substation and management and control of the subsystems, while also having intelligent image recognition, intelligent linkage and intelligent control.

[0006] The video monitoring subsystem is composed of a high-definition camera, an intelligent image recognition camera and a video server. The high-definition camera, the intelligent image recognition camera and the video server are connected by a data cable, and the video server and the data input terminal of the comprehensive application server are connected by a data cable. The video monitoring subsystem realizes all-weather video monitoring of the traction power supply facilities and installation locations of the power supply substation, the surrounding environment of the substation, and the safety supervision area of ​​the substation, ensures the external safety of the power supply facilities, and conducts video monitoring of the external status and real-time operation of the traction power supply facilities, realizes visual monitoring of the operation process of the staff, conducts operation monitoring, and assists in completing the dispatching operations of the dispatching system.

[0007] The environmental monitoring subsystem is composed of a temperature sensor, a humidity sensor, a wind sensor and a water immersion detector, which can realize real-time collection and processing of temperature, humidity, wind speed and water immersion environmental information at the power supply substation, and upload the information to the dynamic environment measurement and control device.

[0008] The security subsystem consists of four perimeter protection devices, namely, electronic fence, infrared dual-detection alarm, glass breakage detector and door magnetic switch. The four perimeter protection devices are respectively installed in the main transformer area, switch yard, cable trench, high-voltage room, control room and fence location of the substation to form an electronic protection wall. Together with the video monitoring subsystem, it can effectively prevent damage to the security of the substation, realize perimeter security alert of the substation location, and manage the entrances and exits of the functional rooms in the substation. Once an illegal intrusion is detected, the alarm signal will be immediately transmitted to the integrated monitoring platform, with an alarm in the form of sound and light, and the information will be uploaded to the dynamic environment measurement and control device. At the same time, the video monitoring subsystem will be linked and the recording equipment will be started.

[0009] The access control subsystem consists of an access control host, a card reader, a door opening button, and an electromagnetic lock to prevent outsiders and irrelevant personnel from entering and exiting the substation at will, and each card swipe is recorded and can be viewed at any time.

[0010] The power lighting control subsystem is composed of an intelligent air-conditioning controller and open-loop auxiliary equipment to realize the control of lighting, ventilation, drainage, and air conditioning in the station, and can realize linkage control according to environmental monitoring information. When it is detected that the substation cable trench is flooded and reaches the warning water level, causing the water detector to sound an alarm, the power lighting control subsystem and the dynamic environment measurement and control device can realize information exchange. The power lighting control subsystem can automatically start the drainage pump for drainage. When the indoor temperature and humidity of the high-voltage room exceeds the normal temperature and humidity setting range, the power lighting control subsystem automatically controls the air conditioner and fan in the room to make the temperature and humidity in the room reach a range suitable for the stable and efficient operation of electrical equipment, thereby ensuring the stable operation of indoor electrical equipment.

[0011] The fire alarm subsystem consists of an independent fire protection subsystem and a fire alarm detection system. The fire alarm consists of ion-type and photoelectric smoke detectors, wall-mounted fire alarms, and sound and light alarms. The fire protection subsystem must comply with local fire protection requirements. Smoke detectors are installed in high-voltage rooms and control rooms where fires need to be monitored. When a fire occurs, smoke will be generated, and an alarm signal will be output through the smoke detector. The fire alarm will output alarm information, drive the sound and light alarm to sound, and send the alarm information to the dynamic environment measurement and control device. After detecting the fire signal, the fire protection subsystem will trigger the fire extinguishing device to perform fire extinguishing operations. As an independent system, the fire protection subsystem can be connected to the auxiliary system. The dynamic environment measurement and control device reserves a communication interface with the fire protection system, and can complete the linkage with the fire protection subsystem.

[0012] The online monitoring subsystem realizes unified management of various online intelligent electronic devices in the substation accessed through the network interface through the station-end monitoring unit set in the comprehensive application server. The station-end monitoring unit communicates with the online intelligent electronic devices in each substation, collects online monitoring information of the main traction power supply equipment such as traction transformers, circuit breakers, disconnectors, and lightning arresters in the substation, completes online monitoring information management and unified display, and realizes fault prediction and health management of intelligent primary equipment based on these data, and makes maintenance decisions.

[0013] The beneficial effects of the present invention are as follows: the present invention realizes system communication according to the IEC61850 standard, and the dynamic environment measurement and control device completes the modeling and network communication of the device without unified network interface equipment such as security and environmental control, and the online intelligent electronic device also realizes communication and interconnection through the standard. The comprehensive monitoring platform of the present invention defines the unified interface specification for monitoring equipment access through the software plug-in mechanism, realizes the plug-and-play function of various types of equipment such as video monitoring subsystem, environmental monitoring subsystem, security subsystem, access control subsystem, power lighting control subsystem, fire alarm subsystem, etc., and can realize the access of new equipment without modifying the platform software code and only configuring the equipment parameters. The present invention has a comprehensive display function, and puts all monitoring quantities such as environment, video, fire alarm, lighting, security, access control, online monitoring, etc. on the main interface of the monitoring system for integrated display and control, rather than isolated display and control of subsystems. The auxiliary system monitoring platform also provides a general and adaptable software tool for quickly building the monitoring function of the control system, using a flexible configuration method, providing a good user development interface and a simple method of use, and its pre-set various software modules can easily realize and complete the various functions of the monitoring layer. The present invention can realize information exchange with the wide area protection measurement and control system. The interaction between the two systems provides necessary auxiliary means for the visualized production management of the power supply system of the substation, allowing the dispatching management personnel to fully grasp the actual situation on site and make the auxiliary system truly serve the production. The present invention provides a variety of detection and monitoring systems. Under the joint action of the comprehensive application server, each detection and monitoring system can realize platform unification, centralized management, high integration, and intelligent optimization, meet the operational needs of the smart substation, and ensure the safe operation of the smart power supply equipment. Based on the above, the present invention has good application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 It is a block diagram of the present invention;

[0016] Figure 2 It is a flowchart of the information interaction process of the present invention. DETAILED DESCRIPTION

[0017] Figure 1 , 2 As shown in , the intelligent auxiliary system for traction power supply of electrified railways includes a wide-area protection measurement and control system and an operation and maintenance system / PHM system. It is composed of a video monitoring subsystem, an environmental monitoring subsystem, a security prevention subsystem, an access control subsystem, a power lighting control subsystem, a fire alarm subsystem, an online monitoring subsystem, an integrated monitoring platform, and a dynamic environment measurement and control device. The integrated monitoring platform is composed of an integrated application server, an auxiliary system operator station, and a station-side monitoring unit. The data output terminals of the environmental monitoring subsystem, the security prevention subsystem, the power lighting control subsystem, and the fire alarm subsystem are connected to the data input terminals of the dynamic environment measurement and control device via data cables. The data output terminals of the dynamic environment measurement and control device are connected to the data input terminals of the integrated application server via data cables. The data output terminals of the video monitoring subsystem and the access control subsystem are connected to the data input terminals of the integrated application server via data cables. The data output terminals of the online monitoring subsystem and the station-side monitoring The unit data input terminal is connected through a data cable, the auxiliary system operator station and the integrated application server are connected through wireless network data and realize information interaction, the wide area protection measurement and control system, the operation and maintenance system / PHM system and the integrated application server are connected through wireless network data and realize information interaction, the system integrates seven auxiliary function subsystems: video monitoring subsystem, environmental monitoring subsystem, security subsystem, access control subsystem, power lighting control subsystem, fire alarm subsystem, and online monitoring subsystem. On this basis, a unified monitoring platform, unified interface specifications, and unified information display are established to enable information exchange between subsystems, and to share and interact with the wide area protection measurement and control system and the operation and maintenance system / PHM system, realizing online monitoring of the intelligent primary equipment of the traction power supply substation and management and control of the subsystems, and at the same time having intelligent image recognition, intelligent linkage and intelligent control functions.

[0018] Figure 1 , 2As shown in , the video monitoring subsystem consists of a high-definition camera, an intelligent image recognition camera and a video server. The high-definition camera, the intelligent image recognition camera and the video server are connected via a data cable. The video server and the data input end of the integrated application server are connected via a data cable. The video monitoring subsystem realizes all-weather video monitoring of the traction power supply facilities and installation locations of the power supply substation, the surrounding environment of the substation, and the safety supervision area of ​​the substation to ensure the external safety of the power supply facilities. It also conducts video monitoring of the external status and real-time operation of the traction power supply facilities, realizes visual monitoring of the operation process of the staff, conducts operation monitoring, and assists in completing the dispatching operation of the dispatching system. The environmental monitoring subsystem consists of a temperature sensor, a humidity sensor, a wind sensor and a water immersion detector, which realizes real-time collection and processing of the temperature, humidity, wind force, and water immersion environment information of the power supply substation, and uploads the information to the dynamic environment measurement and control device. The security subsystem consists of four perimeter defense devices: electronic fence, infrared dual-detection alarm, glass break detector, and door magnetic switch. The four perimeter defense devices are installed in the main transformer area, switch field, cable trench, high-voltage room, control room, and fence location of the substation, forming an electronic defense wall. Together with the video surveillance subsystem, it effectively prevents the security damage to the substation, realizes the perimeter security alert of the substation location, and manages the entrances and exits of the doors of each functional room in the substation. Once the alarm signal of illegal intrusion is detected, it will be immediately transmitted to the integrated monitoring platform, with an alarm in the form of sound and light, and the information will be uploaded to the dynamic environment measurement and control device, and the video surveillance subsystem will be linked to start the recording equipment. The access control subsystem consists of an access control host, a card reader, a door opening button, and an electromagnetic lock to prevent outsiders and irrelevant personnel from entering and exiting the substation at will, and every card swipe is recorded and can be viewed at any time. The power lighting control subsystem is composed of an intelligent air-conditioning controller and open-loop auxiliary equipment to realize the control of lighting, ventilation, drainage, and air conditioning in the station, and can realize linkage control according to environmental monitoring information. When the substation cable trench is detected to be flooded and reaches the warning water level, causing the water detector to sound an alarm, the power lighting control subsystem and the dynamic environment measurement and control device can realize information exchange. The power lighting control subsystem can automatically start the drainage pump for drainage. When the indoor temperature and humidity of the high-voltage room exceeds the normal temperature and humidity setting range, the power lighting control subsystem automatically controls the air conditioner and fan in the room to make the temperature and humidity in the room reach a range suitable for the stable and efficient operation of electrical equipment, thereby ensuring the stable operation of indoor electrical equipment.The fire alarm subsystem consists of an independent fire protection subsystem and a fire alarm detection system. The fire alarm consists of ion-type and photoelectric smoke detectors, wall-mounted fire alarms, and sound and light alarms. The fire protection subsystem must comply with local fire protection requirements. Smoke detectors are installed in high-voltage rooms and control rooms where fires need to be monitored. When a fire occurs, smoke will be generated, and the smoke detector will output an alarm signal. The fire alarm will output the alarm information, drive the sound and light alarm to sound, and send the alarm information to the dynamic environment measurement and control device. After detecting the fire signal, the fire protection subsystem will trigger the fire extinguishing device to perform fire extinguishing operations. As an independent system, the fire protection subsystem can be connected to the auxiliary system. The dynamic environment measurement and control device reserves a communication interface with the fire protection system, and can complete the linkage with the fire protection subsystem. The online monitoring subsystem realizes unified management of various online intelligent electronic devices in the substation connected through the network interface through the station-side monitoring unit set in the comprehensive application server. The station-side monitoring unit communicates with the online intelligent electronic devices in each substation, collects online monitoring information of the main traction power supply equipment such as traction transformers, circuit breakers, disconnectors, and lightning arresters in the substation, completes online monitoring information management and unified display, and realizes fault prediction and health management of intelligent primary equipment based on these data, and makes maintenance decisions.

[0019] Figure 1 , 2As shown in , when the present invention is used, the remote management personnel issues instructions to the wide area protection measurement and control system in the remote control selection stage. After the wide area protection measurement and control system issues a remote control selection instruction to a switch device in the substation, the remote control command is simultaneously exchanged to the integrated monitoring platform, and the integrated monitoring platform automatically switches the cameras of the high-definition camera and the intelligent image recognition camera to the corresponding preset positions according to the linkage setting of the integrated application server. In the remote control execution stage, the high-definition camera and the intelligent image recognition camera display the on-site real-time video information of the device, and start recording. When the remote control ends, the high-definition camera and the intelligent image recognition camera end the recording, and perform intelligent image recognition in combination with the actual state of the switch, and upload the recognition information to the wide area protection measurement and control system for reference by the dispatcher. When the integrated monitoring platform receives the remote signal displacement information forwarded by the wide area protection measurement and control system, the high-definition camera and the intelligent image recognition camera monitor the power supply equipment that has been displaced in the substation according to the linkage configuration of the integrated application server. The integrated monitoring platform automatically sets the current screen to the monitoring screen configured by the linkage of the integrated application server, and can view the playback of the video before the displacement. Dispatchers and operation management personnel can judge whether it is real displacement information or false alarm information based on this. When the integrated monitoring platform receives the fault report, event report, and self-test report forwarded by the wide area protection and measurement and control system, the high-definition camera and intelligent image recognition camera monitor the relevant power supply equipment according to the integrated application server linkage configuration. The integrated monitoring platform automatically sets the current screen to the monitoring screen configured by the integrated application server linkage for reference by dispatchers and operation managers, and assists in determining the cause of the report. The integrated monitoring platform exchanges the environmental monitoring information, safety precautions information, and online monitoring information in the substation with the wide area protection and measurement and control system, so that dispatchers and operation managers can have a more comprehensive understanding of the actual status of the power supply equipment, which is beneficial to daily power supply business and emergency repair business in case of failure.

[0020] Figure 1 , 2 As shown in the figure, the present invention has intelligent image recognition and analysis functions. The system fully combines the latest research results of computer vision, pattern recognition, machine learning, image processing and other technologies to achieve intrusion detection and real-time alarm of important places in the traction power supply system, status monitoring and real-time analysis of important equipment, mainly including the following aspects:

[0021] 1) Switch status identification

[0022] The sample images are first collected by the video surveillance subsystem, and then pre-processed by the video server such as brightness and contrast adjustment, image enhancement, filtering, sharpening, etc. Then, according to their characteristics, the key parts are located, the corresponding grayscale features are extracted, and standard samples are established. The grayscale images are stored in the image reference library, and then the images of the actual objects are collected, and image retrieval and comparison are performed to determine their actual status.

[0023] 2) Security intelligent identification

[0024] Intelligence is an inevitable trend in the development of video surveillance, and the emergence of intelligent image analysis technology is a direct reflection of this trend. If the camera of the video surveillance subsystem is regarded as the human eye, the intelligent video system of the video server can be regarded as the human brain. The video surveillance subsystem can identify different objects, detect abnormal conditions in the monitoring screen, and issue alarms and provide useful information in the fastest and best way to improve the timeliness of alarm processing, so as to more effectively assist the staff to discover crises in advance and minimize false alarms and missed alarms. It has the following intelligent recognition functions: cross-border detection, regional intrusion detection, to determine whether someone has entered the warning area; personnel gathering detection, personnel fall detection, to determine whether someone has fallen due to electric shock; object left behind / taken detection, to determine whether someone has left tools on the scene after operation; mistaken entry into the live interval, monitoring to determine whether someone has entered the live interval; face recognition, cooperate with the access control subsystem to improve the security of the access control subsystem; foreign object monitoring such as bird nests and kites, to monitor whether there are foreign objects attached to the power supply equipment in the station.

[0025] 3) Power supply equipment status identification

[0026] The video server image processing technology of the video monitoring subsystem is used to analyze the status of the power equipment, detect or identify the physical quantity or status that characterizes the power equipment, including whether the equipment is smoking, whether the equipment is on fire, or whether the equipment is leaking oil, so as to promptly discover abnormal phenomena and potential faults.

[0027] 4) Operation monitoring

[0028] All operations of the substation must strictly comply with the operating procedures. If the operation is improper, it will cause harm. However, the various operations of the substation are relatively cumbersome, so corresponding guarantee measures must be combined to reduce the possibility of misoperation to a minimum. The remote real-time monitoring function of the video monitoring subsystem can enable the on-duty personnel to guide the operations of the remote substation operators. If incorrect operations are found, the operators can be reminded in time through monitoring or telephone or mobile phone, thereby ensuring foolproof operation.

[0029] 5) Security alarm image review

[0030] When a relevant alarm signal is generated, the video surveillance subsystem must quickly point the camera at the location where the alarm occurs, immediately capture real-time images, and perform intelligent recognition to determine whether it is a real alarm or a false alarm.

[0031] The present invention also has intelligent linkage and intelligent control functions. The system organically integrates various subsystems, which not only improves the performance of each subsystem, realizes unified management of system functions and extensive linkage, but also improves emergency handling and response capabilities, strengthens the prevention and management capabilities of unexpected disasters and emergencies, and thus comprehensively improves the intelligent management level of the system. The linkage can be achieved through hardware or software, and users can customize the linkage logic of the equipment. The hardware linkage is executed by the dynamic environment measurement and control device, and the linkage logic is stored in the dynamic environment measurement and control device. The video linkage and software linkage logic are completed by the comprehensive monitoring platform, and a good editing and maintenance interface is provided. Intelligent linkage includes:

[0032] 1) Video linkage

[0033] When security alarms, environmental monitoring alarms, access control events (normal card swiping, illegal card swiping, pressing the exit button), online monitoring alarms and other events occur, the video surveillance subsystem can call the preset positions of the corresponding cameras to record or take pictures.

[0034] 2) Security alarm linkage

[0035] When the security equipment generates an alarm, the video, lighting, and sound and light alarms will be automatically linked.

[0036] 3) Access control linkage

[0037] When the access control subsystem generates an alarm, the video, lighting, and sound and light alarms will be automatically linked.

[0038] 4) Fire alarm linkage

[0039] The fire alarm is linked to the video, lighting, air conditioning power supply and exhaust power supply at the same time.

[0040] 5) Fire fighting equipment linkage

[0041] The fire-fighting equipment shall be linked according to the interface agreed upon with the fire-fighting equipment supplier.

[0042] 6) Environmental monitoring linkage

[0043] Environmental monitoring is linked with air conditioning, exhaust and drainage.

[0044] 7) Remote control operation linkage

[0045] Remote control operation and video linkage of wide area protection measurement and control system.

[0046] The intelligent control function can control power lighting equipment, including air conditioners, lights, fans and water pumps in the institute.

[0047] 1) Intelligent control of lighting

[0048] The intelligent lighting controller is connected to the dynamic environment measurement and control device through the RS-485 interface. The integrated monitoring platform sends control commands to the intelligent lighting controller through the dynamic environment measurement and control device to realize the light switching.

[0049] 2) Intelligent control of air conditioning

[0050] The intelligent air conditioner controller is equivalent to a remote control that can be connected to the Internet, and is connected to the dynamic environment measurement and control device through the RS-485 interface. The air conditioner controller has a self-learning function and can be applied to all air conditioners with remote control functions. The air conditioner controller uses the learned infrared remote control code value to remotely control the air conditioner switch, operation mode and other operating states, and adjust the temperature parameters of the air conditioner equipment.

[0051] 3) Fan and water pump control

[0052] Switching controllers for fans, water pumps, etc. are composed of high-power relays, AC contactors, and current transformers. They start and stop the equipment by controlling the power supply of the equipment, thereby achieving remote control of switch-type equipment.

[0053] The present invention realizes system communication according to the IEC61850 standard, and the dynamic environment measurement and control device completes the modeling and network communication of the device without unified network interface equipment such as security and environmental control, and the online intelligent electronic device also realizes communication and interconnection through this standard. The comprehensive monitoring platform of the present invention defines the unified interface specification for monitoring equipment access through the software plug-in mechanism, realizes the plug-and-play function of various types of equipment such as video monitoring subsystem, environmental monitoring subsystem, security subsystem, access control subsystem, power lighting control subsystem, fire alarm subsystem, etc., and can realize the access of new equipment without modifying the platform software code and only configuring the equipment parameters. The present invention has a comprehensive display function, and puts all monitoring quantities such as environment, video, fire alarm, lighting, security, access control, online monitoring, etc. on the main interface of the monitoring system for integrated display and control, rather than isolated display and control of subsystems. The auxiliary system monitoring platform also provides a general and adaptable software tool for quickly building the monitoring function of the control system, using a flexible configuration method, providing a good user development interface and a simple method of use, and its pre-set various software modules can easily realize and complete the various functions of the monitoring layer. The present invention can realize information exchange with the wide area protection measurement and control system. The interaction between the two systems provides necessary auxiliary means for the visualized production management of the power supply system of the substation, allowing the dispatching management personnel to fully grasp the actual situation on site and make the auxiliary system truly serve the production. The present invention provides a variety of detection and monitoring systems. Under the joint action of the comprehensive application server, each detection and monitoring system can realize platform unification, centralized management, high integration, and intelligent optimization, meet the operational needs of the smart substation, and ensure the safe operation of the smart power supply equipment. Based on the above, the present invention has good application prospects.

[0054] This embodiment is a preferred example of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution, improvement, etc. made within the scope of the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Intelligent auxiliary system for electrified railway traction power supply, including wide-area protection and control system, operation and maintenance and PHM system, characterized by It is composed of video surveillance subsystem, environmental monitoring subsystem, security subsystem, access control subsystem, power lighting control subsystem, fire alarm subsystem, online monitoring subsystem, integrated monitoring platform, dynamic environment measurement and control device. The integrated monitoring platform is composed of integrated application server, auxiliary system operator station, and station-side monitoring unit. The data output end of environmental monitoring subsystem, security subsystem, power lighting control subsystem, and fire alarm subsystem are connected to the data input end of dynamic environment measurement and control device through data line. The data output end of dynamic environment measurement and control device is connected to the data input end of integrated application server through data line. The data output end of video surveillance subsystem and access control subsystem are connected to the data input end of integrated application server through data line. The data output end of online monitoring subsystem is connected to the data input end of station-side monitoring unit through data line. The operator station of auxiliary system is connected to integrated application server through wireless network data connection and realizes information interaction. The wide area protection measurement and control system, operation and maintenance and PHM system are connected to integrated application server through wireless network data connection and realizes information interaction. The system integrates video surveillance subsystem, environmental monitoring subsystem, security subsystem, access control subsystem, power The seven auxiliary function subsystems, lighting control subsystem, fire alarm subsystem and online monitoring subsystem, unify the monitoring platform, interface specification and information display on this basis, so that the subsystems can exchange information, and can share and interact with the wide area protection measurement and control system, operation and maintenance and PHM system, realizing the online monitoring of the intelligent primary equipment of the traction power supply substation and the management and control of the subsystem, and at the same time, it has intelligent image recognition, intelligent linkage and intelligent control; the video monitoring subsystem is composed of high-definition cameras, intelligent image recognition cameras and video servers. The high-definition cameras, intelligent image recognition cameras and video servers are connected by data cables, and the video server and the data input end of the comprehensive application server are connected by data cables. The video monitoring subsystem realizes all-weather video monitoring of the traction power supply facilities and installation locations of the power supply substation, the surrounding environment of the substation, and the safety supervision area of ​​the substation, ensuring the external safety of the power supply facilities, and conducting video monitoring of the external status and real-time operation of the traction power supply facilities, realizing visual monitoring of the operation process of the staff, conducting operation monitoring, and assisting in completing the dispatching operation of the dispatching system; The environmental monitoring subsystem is composed of temperature sensors, humidity sensors, wind sensors and water immersion detectors, which can realize the real-time collection and processing of temperature, humidity, wind and water immersion environmental information at the power supply substation, and upload the information to the dynamic environment measurement and control device; the security subsystem is composed of four perimeter protection devices: electronic fence, infrared dual-detection alarm, glass breakage detector and door magnetic switch. The four perimeter protection devices are installed in the main transformer area, switch yard, cable trench, high-voltage room, control room and fence of the substation respectively, forming an electronic protection wall, which can effectively prevent the safety damage of the substation together with the video monitoring subsystem, and realize the perimeter security alarm of the substation. The entrance and exit management of each functional room in the station. Once an alarm signal of illegal intrusion is detected, it will be immediately transmitted to the integrated monitoring platform, with an alarm in the form of sound and light, and the information will be uploaded to the dynamic environment measurement and control device. At the same time, the video monitoring subsystem will be linked and the recording equipment will be started; the access control subsystem consists of an access control host, a card reader, a door opening button, and an electromagnetic lock to prevent outsiders and irrelevant personnel from entering and exiting the substation at will, and each card swipe is recorded for viewing at any time; the power lighting control subsystem consists of an intelligent air-conditioning controller and an opening and closing circuit auxiliary equipment to realize the control of lighting, ventilation, drainage, and air conditioning in the station, and can be implemented according to environmental monitoring information The system is linked to the control system. When the substation cable trench is detected to be flooded and reaches the warning water level, causing the flood detector to sound an alarm, the power lighting control subsystem and the dynamic environment measurement and control device can realize information exchange. The power lighting control subsystem can automatically start the drainage pump to drain water. When the indoor temperature and humidity of the high-voltage room exceed the normal temperature and humidity setting range, the power lighting control subsystem automatically controls the air conditioner and fan in the room to make the temperature and humidity in the room reach the range suitable for the stable and efficient operation of the electrical equipment, thereby ensuring the stable operation of the indoor electrical equipment. The fire alarm subsystem consists of an independent fire protection subsystem and a fire alarm detection subsystem. The fire alarm consists of ion-type and photoelectric smoke detectors. , wall-mounted fire alarms, and sound and light alarms. The composition of the fire protection subsystem must comply with local fire protection requirements. Smoke fire detectors are installed in high-voltage rooms and control rooms where fires need to be monitored. When a fire occurs, smoke will be generated, and the smoke fire detector will output an alarm signal. The fire alarm will output alarm information, drive the sound and light alarm to sound, and send the alarm information to the dynamic environment measurement and control device. After detecting the fire signal, the fire protection subsystem will trigger the fire extinguishing device to perform fire extinguishing operations. As an independent system, the fire protection subsystem can be connected to the auxiliary system. The dynamic environment measurement and control device reserves a communication interface with the fire protection subsystem, and can complete the linkage with the fire protection subsystem;The online monitoring subsystem realizes unified management of various online intelligent electronic devices in the substation connected through the network interface through the station-side monitoring unit set in the comprehensive application server. The station-side monitoring unit communicates with the online intelligent electronic devices in each substation, collects online monitoring information of the main traction power supply equipment such as traction transformers, circuit breakers, disconnectors, and lightning arresters in the substation, completes online monitoring information management and unified display, and realizes fault prediction and health management of intelligent primary equipment based on these data, and proposes maintenance decisions. ;

Images