Remote spare power automatic switching system

Abstract

The invention relates to the technical field of power systems, in particular to a remote spare power automatic switching system, which comprises a communication module, a main control module, a spare power supply module, a switching execution module and a monitoring module, and is characterized in that the monitoring module uploads monitoring data to the main control module through the communication module; a switching instruction is issued to the standby power supply module and the switching execution module through the communication module so as to realize rapid power restoration, the communication module introduces a double-path optical fiber channel as a main and standby communication channel, redundancy configuration is realized, continuity and reliability of system communication are ensured, data transmission is carried out by adopting an encryption technology, and data transmission efficiency is improved. According to the technical scheme, data are effectively prevented from being stolen or tampered in the transmission process, the security of the system data is guaranteed, the accuracy and high efficiency of data communication among the modules are guaranteed through a communication protocol and an interface, the stability of data communication and instruction transmission among the systems is guaranteed, and the use effect is better.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power systems, and in particular to a remote standby automatic switching system. Background Art

[0002] Remote standby power supply automatic switching device is an important automatic device in the power system. Its main function is to automatically switch the standby power supply to work quickly after the working power supply is cut off due to power system failure or other reasons, or automatically switch the power-off equipment to other normal working power supplies, so as to quickly restore power supply and ensure the stability and reliability of power supply.

[0003] The existing remote standby automatic switching system mainly includes a main controller: monitors the power grid status, analyzes fault information, and controls the switching operation. Automatic switching switch: Under the command of the main controller, the automatic switching switch is responsible for switching the power grid from the faulty power supply to the backup power supply. Power contactor: cooperates with the automatic switching switch to achieve rapid connection and disconnection of the power supply. Voltage monitoring circuit: used to monitor the voltage conditions of the working power supply and the backup power supply to ensure that the backup power supply can be reliably put into use when needed. Current monitoring circuit: monitors the current changes in the power grid to assist in judging the operating status and fault type of the power grid. Communication module: realizes data communication between substations, and transmits operating status information, fault information and tripping and closing command information. Working power supply and backup power supply: provide a stable power supply for the remote standby automatic switching system to ensure that the system can work normally when the power grid fails. The function of automatically switching the backup power supply when the power grid fails is realized, thereby ensuring the normal operation and power supply reliability of the power grid.

[0004] However, the normal operation of the remote backup automatic switching system is also affected by external conditions. For example, the system's communication channel is easily affected by equipment and interface problems, network configuration and protocol problems, and becomes unstable, affecting data communication and command transmission between systems. Summary of the invention

[0005] The purpose of the present invention is to provide a remote standby automatic power supply system, which solves the problem that the communication channel of the existing remote standby automatic power supply system is easily affected by equipment and interface problems, network configuration and protocol problems, and becomes unstable, affecting data communication and command transmission between systems.

[0006] To achieve the above-mentioned object, the present invention provides a remote standby automatic switching system, comprising a communication module, a main control module, a backup power module, a switching execution module and a monitoring module, wherein the main control module is connected to the communication module, the backup power module is connected to the communication module, the switching execution module is connected to the communication module and the backup power module respectively, and the monitoring module is connected to the communication module;

[0007] The main control module is used to receive and process information from other modules, monitor the power grid status, analyze fault information, and control switching operations;

[0008] The communication module is used for data communication between the main control module and other modules, wherein a dual-path optical fiber channel is introduced as a primary and standby communication channel to achieve redundant configuration, and encryption technology and communication protocols and interfaces are used for communication;

[0009] The backup power supply module is used to adopt an independent power supply system and receive the switching instruction of the main control module to provide backup power for the switching execution module;

[0010] The switching execution module is used to receive the switching instruction of the main control module and switch the power grid from the faulty power supply to the backup power supply;

[0011] The monitoring module is used to monitor the current and voltage status in the power grid, as well as the environmental data of the equipment, and upload them to the main control module through the communication module.

[0012] Wherein, the communication module includes an optical fiber communication unit and an encryption unit, the optical fiber communication unit is connected to the main control module, and the encryption unit is connected to the optical fiber communication unit;

[0013] The optical fiber communication unit is used to introduce dual optical fiber channels as primary and backup communication channels to achieve redundant configuration;

[0014] The encryption unit is used to encrypt the communication data.

[0015] Wherein, the communication module further comprises a communication processing unit, and the communication processing unit is connected to the encryption unit;

[0016] The communication processing unit is used to receive data from other modules, parse and process it, and then send the data to the target module according to a predetermined communication protocol and format.

[0017] Wherein, the communication module further comprises a protocol interface design unit, and the protocol interface design unit is respectively connected to the backup power supply module, the switching execution module, the monitoring module and the communication processing unit;

[0018] The protocol interface design unit is used to design communication protocols and interfaces that comply with industry standards and specifications to ensure compatibility with other modules.

[0019] Wherein, the communication module also includes a redundant power supply unit;

[0020] The redundant power supply unit is used to provide backup power support when the main power supply fails.

[0021] Wherein, the main control module includes a core processing unit and a fault analysis unit, the core processing unit is connected to the optical fiber communication unit, and the fault analysis unit is connected to the core processing unit;

[0022] The core processing unit is used to store received data and perform various calculations, logical judgments and data processing tasks;

[0023] The fault analysis unit is used to collect and process various data from the power grid, and to identify and judge potential faults.

[0024] Wherein, the main control module further includes a protection unit, and the protection unit is connected to the core processing unit;

[0025] The protection unit is used to design a protection circuit and prevent the execution of a set operation under certain conditions.

[0026] A remote standby automatic switching system of the present invention, the monitoring module uploads the monitoring data to the main control module through the communication module, and the main control module, after analysis and processing, issues the switching instruction to the backup power supply module and the switching execution module through the communication module, so as to realize rapid restoration of power supply and ensure the stability and reliability of power supply, wherein the communication module introduces a dual-path optical fiber channel as a primary and backup communication channel, realizes redundant configuration, and ensures that when the main communication channel fails, the backup communication channel can immediately take over the communication task, thereby ensuring the continuity and reliability of system communication, the backup power supply module adopts an independent power supply system, which is not affected by the failure of the main power grid, and when the main power supply fails, the backup power supply can quickly take over the power supply task and provide stable power support for the switching execution module, and at the same time, the communication module adopts encryption technology for data transmission, which effectively prevents the data from being stolen or tampered with during the transmission process, and ensures the security of system data, and ensures through communication protocols and interfaces. The accuracy and efficiency of data communication between modules are improved, and the error rate and risk in the communication process are reduced. The main control module can receive and process information from other modules in real time, monitor the power grid status, and quickly analyze fault information. Once a power grid fault is found, the main control module can immediately issue a switching instruction to ensure the continuous power supply of the power grid. The monitoring module can monitor the current and voltage status in the power grid and the environmental data of the equipment in real time, providing strong support for the decision-making of the main control module. The switching execution module can receive the switching instruction of the main control module and automatically switch the power grid from the faulty power supply to the backup power supply, reducing the errors and risks of human operation and improving the reliability and stability of the system. The main control module integrates advanced fault judgment algorithms and artificial intelligence technologies, can intelligently analyze and judge power grid faults, more accurately identify fault types and locations, provide strong support for subsequent fault handling, and ensure the stability of data communication and command transmission between systems, with better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0028] Figure 1 It is a principle block diagram of the remote standby automatic switching system of the first embodiment of the present invention.

[0029] Figure 2 It is a principle block diagram of a communication module according to the first embodiment of the present invention.

[0030] Figure 3 It is a principle block diagram of a main control module according to the second embodiment of the present invention.

[0031] In the figure: 101-communication module, 102-main control module, 103-backup power supply module, 104-switching execution module, 105-monitoring module, 106-optical fiber communication unit, 107-encryption unit, 108-communication processing unit, 109-protocol interface design unit, 110-redundant power supply unit, 201-core processing unit, 202-fault analysis unit, 203-protection unit, 204-timing counting unit. DETAILED DESCRIPTION

[0032] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0033] The first embodiment of the present application is:

[0034] See also Figure 1 and Figure 2 ,in, Figure 1 It is a principle block diagram of the remote standby automatic switching system of the first embodiment of the present invention. Figure 2 It is a principle block diagram of the communication module 101 according to the first embodiment of the present invention.

[0035] The present invention provides a remote standby automatic switching system, comprising a communication module 101, a main control module 102, a backup power supply module 103, a switching execution module 104 and a monitoring module 105. The communication module 101 comprises an optical fiber communication unit 106, an encryption unit 107, a communication processing unit 108, a protocol interface design unit 109 and a redundant power supply unit 110.

[0036] According to this specific implementation, the main control module 102 is connected to the communication module 101, the backup power module 103 is connected to the communication module 101, the switching execution module 104 is connected to the communication module 101 and the backup power module 103 respectively, and the monitoring module 105 is connected to the communication module 101;

[0037] The main control module 102 is used to receive and process information from other modules, monitor the power grid status, analyze fault information, and control switching operations;

[0038] The communication module 101 is used for data communication between the main control module 102 and other modules, wherein a dual-path optical fiber channel is introduced as a primary and backup communication channel to achieve redundant configuration, and encryption technology and communication protocols and interfaces are used for communication;

[0039] The backup power supply module 103 is used to adopt an independent power supply system and receive the switching instruction of the main control module 102 to provide a backup power supply for the switching execution module 104;

[0040] The switching execution module 104 is used to receive the switching instruction of the main control module 102 and switch the power grid from the faulty power supply to the backup power supply;

[0041] The monitoring module 105 is used to monitor the current and voltage status in the power grid, as well as the environmental data of the equipment, and upload the data to the main control module 102 through the communication module 101 .

[0042] The main control module 102 integrates advanced fault judgment algorithms and artificial intelligence technology, receives and processes information from other modules, improves the accuracy and response speed of fault judgment, and contains protection functions and locking logic to prevent false operation and refusal to operate. It is equipped with timers and counters for regular testing and system status monitoring. The communication module 101 introduces dual-path optical fiber channels as primary and backup communication channels to achieve redundant configuration and improve communication reliability. It adopts high-level encryption technology to ensure the security of communication data, designs communication protocols and interfaces to ensure compatibility with other power grid equipment, and connects to the main control module 102, the backup power module 103, and the monitoring module 105 through standardized interfaces to achieve two-way transmission of information. The backup power module 103 adopts an independent power supply system, including a battery pack, a charger, etc., and designs a reasonable backup power switching logic, works in coordination with the main control module 102, receives switching instructions, and is connected to the switching execution module 104 through power lines to provide backup power to achieve Fast switching, the switching execution module 104 includes an automatic switching switch and a power contactor, performs switching operations according to the instructions of the main control module 102, and is designed with mechanical and electrical interlocking devices to ensure the safety and reliability of the switching operation. It is connected to the power input and output ends of the power grid through power lines to achieve power switching. The monitoring module 105 includes a temperature sensor, a humidity sensor, a voltage monitoring circuit, a current monitoring circuit, etc., which monitors the equipment environment temperature and humidity in real time, as well as the current in the power grid, the voltage changes of the working power supply and the backup power supply, and transmits the monitored data to the main control module 102 through the communication module 101 for analysis and processing, providing a basis for the judgment of the prime number main control module 102.

[0043] The optical fiber communication unit 106 is connected to the main control module 102, and the encryption unit 107 is connected to the optical fiber communication unit 106;

[0044] The optical fiber communication unit 106 is used to introduce dual optical fiber channels as primary and backup communication channels to achieve redundant configuration;

[0045] The encryption unit 107 is used to encrypt the communication data.

[0046] The optical fiber communication unit 106 introduces dual optical fiber channels as primary and backup communication channels to achieve redundant configuration, effectively improving the reliability and stability of communication. Even if the primary channel fails, the backup channel can immediately take over the communication task to ensure uninterrupted data transmission. The encryption unit 107 uses high-level encryption technology, such as AES, to encrypt the communication data to ensure the security of the data during transmission, prevent unauthorized third parties from intercepting and interpreting the communication content, and protect the sensitive information of the system and user privacy.

[0047] Secondly, the communication processing unit 108 is connected to the encryption unit 107;

[0048] The communication processing unit 108 is used to receive data from other modules, parse and process the data, and then send the data to the target module according to a predetermined communication protocol and format.

[0049] The communication processing unit 108 is responsible for receiving, processing and sending data. It receives data from other modules, performs necessary analysis and processing, and then sends the data to the target module according to the predetermined communication protocol and format. At the same time, it is also responsible for monitoring the status of the communication link to ensure smooth and stable data transmission.

[0050] At the same time, the protocol interface design unit 109 is connected to the backup power module 103, the switching execution module 104, the monitoring module 105 and the communication processing unit 108 respectively;

[0051] The protocol interface design unit 109 is used to design communication protocols and interfaces that comply with industry standards and specifications to ensure compatibility with other modules.

[0052] The protocol interface design unit 109 designs communication protocols and interfaces that comply with industry standards and specifications to ensure compatibility between the communication module 101 and other power grid devices and modules, including defining key parameters such as the format, rate, and verification method of data transmission, and realizing standardized interface connections with the main control module 102, the backup power supply module 103, the monitoring module 105 and other devices.

[0053] In addition, the redundant power supply unit 110 is used to provide backup power support when the main power supply fails.

[0054] The redundant power supply unit 110 provides backup power support when the main power supply fails, thereby ensuring the stability and reliability of the communication module 101 under long-term, high-load operation.

[0055] Using a remote standby automatic switching system of this embodiment, the monitoring module 105 monitors the current and voltage status in the power grid and the environmental data of the equipment, such as temperature and humidity, in real time, and uploads these data to the main control module 102 through the communication module 101. The main control module 102 receives the data from the monitoring module 105, and uses the integrated advanced fault judgment algorithm and artificial intelligence technology to analyze and process it to determine whether the power grid state is abnormal. The communication module 101 implements redundant configuration through a dual-path optical fiber channel to ensure the reliability and stability of data transmission. At the same time, the encryption unit 107 encrypts the communication data to ensure the security of the data. If the main control module 102 determines that there is a fault in the power grid, it will issue a switching instruction to the switching execution module 104. After receiving the switching instruction from the main control module 102, the switching execution module 104 uses an automatic switching switch and a power contactor to switch the power grid from the faulty power supply to the backup power supply. The backup power supply module 103 uses an independent power supply system to ensure stable power support during the switching process. The main control module 102 also includes a timer and a counter for regular testing and system status monitoring to ensure long-term stable operation of the system. Dual-channel fiber channels are used to achieve redundant configuration to ensure the continuity and reliability of communication. An independent backup power supply system quickly takes over the power supply task when the main power fails. The switching execution module 104 is designed with mechanical and electrical interlocking devices to ensure the safety and reliability of the switching operation. High-level encryption technology is used to encrypt communication data to prevent data leakage. The main control module 102 integrates protection functions and locking logic to prevent malfunction and refusal to operate. The main control module 102 integrates advanced fault judgment algorithms and artificial intelligence technology to improve the accuracy and response speed of fault judgment. The switching execution module 104 automatically performs switching operations according to the instructions of the main control module 102 to reduce human intervention. Design communication protocols and interfaces that meet industry standards and specifications to ensure compatibility with other devices. Modular design makes the system easy to expand and upgrade to meet future needs. The monitoring module 105 monitors the status of the power grid and equipment in real time to ensure that the system can detect and respond to faults in a timely manner. The main control module 102 can quickly analyze fault information and issue a switching instruction to quickly restore power supply.

[0056] In summary, the remote standby automatic switching system provided by the present invention realizes efficient monitoring of the power grid status, intelligent judgment and rapid response to faults, and reliable switching of power sources by integrating multiple key modules and optimizing the design, thereby providing a strong guarantee for the stable operation of the power system.

[0057] The second embodiment of the present application is:

[0058] Based on the first embodiment, please refer to Figure 3 ,in, Figure 3It is a principle block diagram of the main control module 102 according to the second embodiment of the present invention.

[0059] The main control module 102 of this embodiment includes a core processing unit 201 , a fault analysis unit 202 , a protection unit 203 and a timing counting unit 204 .

[0060] According to this specific implementation, the core processing unit 201 is connected to the optical fiber communication unit 106, and the fault analysis unit 202 is connected to the core processing unit 201;

[0061] The core processing unit 201 is used to store received data and perform various calculations, logical judgments and data processing tasks;

[0062] The fault analysis unit 202 is used to collect and process various data from the power grid, and identify and determine potential faults.

[0063] The core processing unit 201, as the heart of the main control module 102, is responsible for performing various calculations, logical judgments and data processing tasks, including RAM and ROM, etc., for storing program codes, data and temporary variables, etc. RAM provides fast data reading and writing capabilities, while ROM is used to store fixed programs and data. The fault analysis unit 202 collects and processes various data from the power grid, including current, voltage, frequency, etc., to provide a reliable basis for fault judgment, and integrates advanced algorithms for real-time monitoring of the power grid status, identifying and judging potential faults. The algorithms include artificial intelligence technologies such as machine learning and neural networks to improve the accuracy and response speed of fault judgment.

[0064] Wherein, the protection unit 203 is connected to the core processing unit 201;

[0065] The protection unit 203 is used to design a protection circuit and prevent the execution of a set operation under certain conditions.

[0066] The protection unit 203 is designed with complete protection functions, such as overcurrent protection, overvoltage protection, undervoltage protection, etc., to prevent the power grid equipment from being damaged under abnormal conditions. It is designed with locking logic to prevent the system from performing certain operations under specific conditions to prevent false operations and refusal to operate. For example, when a power grid fault is detected, the locking logic will prevent the system from continuing to supply power to the faulty area.

[0067] Secondly, the timing counting unit 204 is connected to the core processing unit 201;

[0068] The timing counting unit 204 is used to execute a specific task or check the system status at a fixed time, and record the number of times a specific event occurs or the duration of system operation.

[0069] The timing counting unit 204 is used to perform specific tasks or check the status of the system at a fixed time. For example, a timer is set to regularly check the insulation resistance of the power grid or perform other preventive maintenance tasks, while recording the number of times a specific event occurs or the length of time the system runs, etc. The counter can be used to evaluate the performance of the system, predict maintenance cycles, or trigger specific alarms.

[0070] Using a remote standby automatic switching system of this embodiment, the core processing unit 201 receives data from other modules through the optical fiber communication unit 106, and uses RAM and ROM to store and process, and the fault analysis unit 202 collects various data of the power grid, such as current, voltage, frequency, etc., and uses integrated advanced algorithms such as machine learning and neural networks to perform real-time analysis to identify and judge potential power grid faults. When the fault analysis unit 202 identifies a power grid fault, the protection unit 203 will prevent the system from continuing to supply power to the fault area according to the preset protection logic, such as overcurrent protection, overvoltage protection, undervoltage protection, etc. and locking logic, to prevent equipment damage and malfunction. The timing counting unit 204 performs specific tasks according to preset time intervals, such as power grid insulation resistance inspection, preventive maintenance, etc., and records the system status, the number of events or the running time, to provide a basis for system maintenance and performance evaluation. Once it is determined that the power supply needs to be switched, the core processing unit 201 will send a switching instruction to the switching execution module 104, and the switching execution module 104 will perform a specific power switching operation. The main control module 102 integrates multiple key units, realizes the integration of data reception, processing, fault analysis, protection and timing task execution, and improves the intelligence level of the system. Advanced algorithms, such as machine learning and neural networks, are used to perform fault analysis, which improves the accuracy and response speed of fault judgment and helps to quickly restore power supply to the power grid. The protection unit 203 is designed with perfect protection functions and locking logic, which can effectively prevent power grid equipment from being damaged under abnormal conditions and prevent system malfunction and refusal to operate. The timing counting unit 204 supports the timing execution of specific tasks and records the system status, providing a flexible means for system maintenance and performance evaluation. At the same time, the modular design of the system is also convenient for future expansion and upgrading of functions. Through the redundant configuration of dual-channel optical fiber channels, the introduction of encryption technology and the design of independent backup power supply, the reliability of system communication, the security of data and the stability of power supply are ensured, and the overall reliability and stability of the system are improved.

[0071] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A remote standby automatic switching system, characterized in that: It includes a communication module, a main control module, a backup power module, a switching execution module and a monitoring module, wherein the main control module is connected to the communication module, the backup power module is connected to the communication module, the switching execution module is connected to the communication module and the backup power module respectively, and the monitoring module is connected to the communication module; The main control module is used to receive and process information from other modules, monitor the power grid status, analyze fault information, and control switching operations; The communication module is used for data communication between the main control module and other modules, wherein a dual-path optical fiber channel is introduced as a primary and standby communication channel to achieve redundant configuration, and encryption technology and communication protocols and interfaces are used for communication; The backup power supply module is used to adopt an independent power supply system and receive the switching instruction of the main control module to provide backup power for the switching execution module; The switching execution module is used to receive the switching instruction of the main control module and switch the power grid from the faulty power supply to the backup power supply; The monitoring module is used to monitor the current and voltage status in the power grid, as well as the environmental data of the equipment, and upload them to the main control module through the communication module.

2. The remote standby automatic power supply system according to claim 1, characterized in that: The communication module includes an optical fiber communication unit and an encryption unit, the optical fiber communication unit is connected to the main control module, and the encryption unit is connected to the optical fiber communication unit; The optical fiber communication unit is used to introduce dual optical fiber channels as primary and backup communication channels to achieve redundant configuration; The encryption unit is used to encrypt the communication data.

3. The remote standby automatic power supply system according to claim 2, characterized in that: The communication module further comprises a communication processing unit, and the communication processing unit is connected to the encryption unit; The communication processing unit is used to receive data from other modules, parse and process them, and then send the data to the target module according to a predetermined communication protocol and format.

4. The remote standby automatic switching system according to claim 3, characterized in that: The communication module also includes a protocol interface design unit, which is connected to the backup power supply module, the switching execution module, the monitoring module and the communication processing unit respectively; The protocol interface design unit is used to design communication protocols and interfaces that comply with industry standards and specifications to ensure compatibility with other modules.

5. The remote standby automatic power supply system according to claim 2, characterized in that: The communication module also includes a redundant power supply unit; The redundant power supply unit is used to provide backup power support when the main power supply fails.

6. The remote standby automatic power supply system according to claim 2, characterized in that: The main control module includes a core processing unit and a fault analysis unit, the core processing unit is connected to the optical fiber communication unit, and the fault analysis unit is connected to the core processing unit; The core processing unit is used to store received data and perform various calculations, logical judgments and data processing tasks; The fault analysis unit is used to collect and process various data from the power grid, and to identify and judge potential faults.

7. The remote standby automatic power supply system according to claim 6, characterized in that: The main control module also includes a protection unit, which is connected to the core processing unit; The protection unit is used to design a protection circuit and prevent the execution of a set operation under certain conditions.

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