Five-prevention intelligent management system and method for transformer substation

Abstract

The five-prevention intelligent management system at least comprises a five-prevention lock, a five-prevention intelligent key, a transmission terminal and a background management master station, the five-prevention lockset is a closed keyless lockset, is mounted on a field device in a transformer substation, and is used for receiving wireless electric energy and a control instruction from a five-prevention intelligent key, and driving a locking execution mechanism in the five-prevention lockset to execute unlocking or locking operation according to the control instruction; and the five-prevention intelligent key is used for providing wireless electric energy for the five-prevention lockset, sending a control instruction and reporting operation data to the transmission terminal after authorization verification is carried out on a user. The invention further discloses a corresponding method. According to the invention, short circuit and misoperation can be prevented, and the safety and the reliability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of power system safety, and in particular to a five-defense intelligent management system and method for a substation. Background Art

[0002] In order to effectively prevent personal, equipment and power grid accidents caused by misoperation of electrical equipment and meet the five-protection requirements of substation equipment, traditional substations generally use microcomputer five-protection operating systems, and install five-protection locks such as electrical locks and mechanical locks to force electrical equipment to be locked and prompted to prevent misoperation.

[0003] However, these locks usually have problems such as exposed keyholes and easy short-circuiting, which increases the risk of illegal operation. For example, during the installation and commissioning of primary and secondary equipment, pre-testing and overhaul, daily inspection and maintenance, anti-error device defect handling, switching operation and accident handling, it is easy to be illegally unlocked by short-circuiting the five-proof locks without authorization, resulting in the risk of accident caused by misoperation of other running equipment. Therefore, there is an urgent need for a new anti-misoperation safety control system that can effectively prevent short-circuiting and improve operational safety. Summary of the invention

[0004] The technical problem to be solved by the present invention is that the present invention proposes a five-defense intelligent management system and method for a substation, which can prevent short circuit and misoperation and improve safety and reliability.

[0005] As one aspect of the present invention, a five-defense intelligent management system for a substation is provided, which at least includes: a five-defense lock, a five-defense intelligent key, a transmission terminal and a background management master station, wherein:

[0006] The five-defense lock is a closed keyless lock installed on a field device in a substation, and is used to receive wireless power and control instructions from a five-defense smart key, and drive the locking actuator therein to perform unlocking or locking operations according to the control instructions;

[0007] The five-defense smart key is used to provide wireless power to the five-defense lock after the user is authorized and verified, and to send control instructions and report operation data to the transmission terminal;

[0008] The transmission terminal is used to receive the operation data from the five-defense smart key and transmit it to the background management main station;

[0009] The background management main station is used to receive, store and analyze the operation data from the transmission terminal to achieve remote monitoring and management of substation equipment.

[0010] Preferably, the five-defense lock is in the shape of a U-shaped lock, the casing is made of stainless steel, and the rear cover is fully sealed by laser welding;

[0011] The five-protection locks include at least:

[0012] Wireless power receiving module, used to receive wireless power from the five-defense smart key;

[0013] The wireless carrier communication module is used for wireless carrier communication with the five-defense smart key, receiving control instructions from the five-defense smart key, and feeding back the operation results to the five-defense smart key in real time;

[0014] An encryption and decryption module, used to parse and decrypt received control instructions;

[0015] The MCU module is used to send an unlocking or locking execution command to the locking actuator according to the content of the control instruction after the data decrypted and parsed by the encryption and decryption module is correct;

[0016] The locking actuator performs unlocking or locking operations according to the execution command sent by the MCU module.

[0017] Preferably, a wireless carrier antenna is provided at the front end of the five-defense smart key body, a display screen is provided on the front, four buttons are provided under the display screen, including function on, function off, power on and off button and registration button, and a speaker hole is provided next to the buttons.

[0018] Preferably, the five-defense smart key has built-in:

[0019] Wireless power supply module, used to provide wireless power to the five-protection lock by electromagnetic induction or microwave radiation;

[0020] An identity authentication module, used to cooperate with the transmission terminal to authenticate the operating user;

[0021] A control instruction generation module, used to generate a control instruction in response to a user's operation on a key after identity authentication is passed;

[0022] A wireless carrier communication module is used to send control instructions to the five-defense lock and receive operation results from the five-defense lock;

[0023] The Bluetooth communication module is used to send the operation results from the five-protection lock to the transmission terminal.

[0024] Preferably, the transmission terminal further has a data encryption function, and uses an encryption algorithm such as AES to encrypt the transmitted data to ensure the security of data transmission;

[0025] The background management host further has user management, authority allocation and log recording functions, which are used to manage the operation permissions of different users and record the user's operation behavior.

[0026] As one aspect of the present invention, there is also provided a five-defense intelligent management method for a substation, which is implemented by the aforementioned system, and the method comprises at least the following steps:

[0027] Step S10, after detecting that the user operates the five-defense smart key, the identity verification module of the five-defense smart key cooperates with the transmission terminal to verify the legitimacy of the user;

[0028] Step S11, after the verification is passed, the control instruction generation module of the five-defense smart key generates a control instruction according to the user's operation of the button, sends wireless power to the five-defense lock through the wireless power supply module, and sends the control instruction using the wireless carrier communication module;

[0029] Step S12, the wireless receiving module of the five-defense lock receives wireless energy and control instructions; parses and decrypts the received control instructions, and sends an unlocking or locking execution command to the locking actuator according to the content of the control instructions to perform the unlocking or locking operation; and sends the operation data to the background management main station through the transmission terminal;

[0030] Step S13, the background management main station receives the data from the transmission terminal, stores, processes and analyzes it, and realizes remote monitoring and management of the substation equipment.

[0031] Preferably, the identity verification in step S10 adopts dynamic password, biometrics or digital certificate technology means.

[0032] Preferably, the wireless power supply in step S11 is performed by electromagnetic induction or microwave radiation.

[0033] Preferably, the transmission terminal in step S12 encrypts the data before sending it.

[0034] Preferably, it further comprises:

[0035] The background management main station detects abnormal data in real time. Once abnormal data is found, the alarm mechanism is immediately triggered to notify relevant personnel for processing.

[0036] The implementation of the embodiments of the present invention has the following beneficial effects:

[0037] The present invention provides a five-defense intelligent management system and method for a substation. By adopting a passive and hole-free five-defense lock structure, in conjunction with a five-defense intelligent key, a transmission terminal, and a background management host, the five-defense lock can be unlocked and locked without contact, which can prevent personnel from short-circuiting. In addition, the intelligent five-defense intelligent key can record and control all data and operation steps in real time, effectively reducing the risk of misoperation. At the same time, the use of dynamic password control increases the security and reliability of the system.

[0038] Specifically, the closed hole-free design of the five-proof lock completely eliminates the possibility of illegal short-circuiting operations from the keyhole of the lock, greatly reducing the risk of misoperation. The dynamic password authorization mechanism ensures that each operation is subject to strict identity authentication and authorization, preventing unauthorized operations.

[0039] In the present invention, the five-defense lock adopts a passive design, and the power supply and communication module are moved into the five-defense smart key, which reduces the complexity and failure rate of the lock itself and improves the reliability of the system. The application of wireless communication and wireless power supply technology avoids the physical damage and disconnection problems that may be caused by traditional wired connections, and improves the stability and flexibility of the system. The five-defense lock with a passive design does not require an independent power supply, reduces energy consumption and carbon emissions, and complies with the environmental protection concept of energy conservation and emission reduction. The one-to-many use of the five-defense smart key improves the utilization rate of the equipment and reduces resource waste.

[0040] In the present invention, the on-site operation data is recorded and uploaded in real time, and stored synchronously with the background management main station, realizing the tracking and recording of the whole process of data, providing strong support for post-analysis and optimization management. The double AES encryption mechanism is adopted to ensure the confidentiality and leakage prevention during the data transmission process, and enhance the security of data.

[0041] In the present invention, the wireless power supply and wireless communication functions of the five-defense smart key make it unnecessary for operators to carry extra power cords and communication cables, making the operation more convenient. The system interface is intuitive, easy to operate, and has a warning function for incorrect operation, which reduces the difficulty of operation and improves the user experience.

[0042] In the present invention, the system architecture and design concept of the present invention have strong scalability and can be easily integrated and compatible with other systems of existing substations. With the development of technology and changes in demand, the system can be flexibly upgraded and expanded to meet the safety management and control needs of future substations. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the present invention.

[0044] Figure 1 A schematic diagram of the structure of an embodiment of a five-defense intelligent management system for a substation provided by the present invention;

[0045] Figure 2 for Figure 1The structural diagram of the five-defense lock involved;

[0046] Figure 3 for Figure 1 A front view of the five-defense smart key involved;

[0047] Figure 4 for Figure 1 A schematic diagram of the structure of the five-defense smart key involved;

[0048] Figure 5 for Figure 1 And a schematic diagram of the structure of the transmission end;

[0049] Figure 6 for Figure 1 A schematic diagram of the structure of the background management main station involved;

[0050] Figure 7 A schematic diagram of the main process of an embodiment of a five-defense intelligent management method for a substation provided by the present invention. DETAILED DESCRIPTION

[0051] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.

[0052] like Figure 1 FIG. 1 is a schematic diagram of a structure of an embodiment of a five-defense intelligent management system for a substation provided by the present invention, and is combined with Figures 2 to 6 As shown, in this embodiment, the five-defense intelligent management system for the substation includes at least: a five-defense lock 1, a five-defense intelligent key 2, a transmission terminal 3 and a background management main station 4, wherein:

[0053] The five-defense lock 1 is a closed keyless lock installed on a field device in a substation for opening and closing lock protection, and is used to receive wireless power and control instructions from the five-defense smart key 2, and drive the locking actuator therein to perform unlocking or locking operations according to the control instructions;

[0054] In the embodiment of the present invention, the appearance of the five-defense lock 1 is designed as a closed hole-free lock, and the unlocking and locking operating mechanism is built into the lock, which can effectively prevent the illegal operation of unlocking the five-defense lock by short-circuiting the keyhole of the lock, making it safer and more reliable, and reducing the risk of misoperation;

[0055] The power supply and communication modules of the five-defense lock 1 are separated from the product and moved into the five-defense key, which greatly reduces the failure rate, saves energy, and is more environmentally friendly. At the same time, it realizes the one-to-many use of the five-defense key, solving the problems of poor management and security of traditional general keys.

[0056] At the same time, wireless power supply and wireless carrier communication technology are implemented and applied on the five-protection lock 1, realizing contactless connection of the lock, which greatly improves the safety of the product and the convenience of user operation. At the same time, electromagnetic compatibility protection design is carried out in combination with the on-site operating environment of the substation to ensure safety and reliability.

[0057] The five-defense lock 1 adopts a smart mechanical drive mechanism to meet the low power consumption requirement and has stronger protection strength.

[0058] The five-defense smart key 2 is used to provide wireless power to the five-defense lock 1, send control instructions, and report operation data to the transmission terminal after the user is authorized and verified; in the embodiment of the present invention, the five-defense smart key 2 serves as a transmission device for on-site operation, corresponds to all five-defense locks, provides power to the five-defense locks, is responsible for initiating operations and transmitting data, and communicates with the transmission terminal via Bluetooth.

[0059] In the present invention, the system adopts five-defense key operation application combined with hash operation of background service to generate dynamic password to realize authorized operation, realize safer user operation control, and solve the problem of traditional ineffective supervision.

[0060] The transmission terminal 3 is used to receive the operation data from the five-defense smart key 2 and transmit it to the background management main station 4;

[0061] The background management main station 4 is used to receive, store and analyze the operation data from the transmission terminal 3 to achieve remote monitoring and management of substation equipment.

[0062] In a specific embodiment, the five-protection lock 1 is in the shape of a U-shaped lock, adopts a contactless connection method, and has no contacts. Its casing is made of stainless steel, and the back cover is fully sealed by laser welding, without any spare keyhole;

[0063] In a specific example, the five-defense lock can adopt the technical parameters listed in Table 1 below:

[0064] Table 2 Technical parameters of five-proof locks

[0065]

[0066]

[0067] like Figure 2 As shown, the five-protection lock 1 includes at least the following functional modules:

[0068] Wireless power receiving module, used to receive wireless power from the five-defense smart key;

[0069] The wireless carrier communication module is used for wireless carrier communication with the five-defense smart key, receiving control instructions from the five-defense smart key, and feeding back the operation results to the five-defense smart key in real time;

[0070] An encryption and decryption module, used to parse and decrypt received control instructions;

[0071] The MCU module is used to send an unlocking or locking execution command to the locking actuator according to the content of the control instruction after the data decrypted and parsed by the encryption and decryption module is correct;

[0072] The locking actuator performs unlocking or locking operations according to the execution command sent by the MCU module.

[0073] like Figure 3 As shown, the front end of the five-defense smart key 2 body is provided with a wireless carrier antenna 20, and a display screen 21 is provided on the front thereof. Four buttons 22 are provided under the display screen 21, including function on, function off, power on / off button and registration button, and a speaker hole 23 is provided next to the button. Among them, the button triggers the five-defense smart key to send an operation request to the transmission terminal, and is ready to receive data from the transmission terminal and the five-defense lock. The display screen interface can provide power indication, five-defense smart key operation status indication, and operation step flow indication, etc. The speaker is used as a status reminder. It supports charging the product through the micro USB charging port and self-checking of power.

[0074] In a specific example, the five-defense smart key may adopt the technical parameters listed in Table 2 below:

[0075] Table 2 Technical parameters of five-defense smart key

[0076]

[0077]

[0078] like Figure 4 As shown, the five-defense smart key 2 has built-in:

[0079] Wireless power supply module, used to provide wireless power to the five-protection lock by electromagnetic induction or microwave radiation;

[0080] The identity verification module is used to cooperate with the transmission terminal to authenticate the operating user; at the same time, in some embodiments, before starting to supply power, the five-defense smart key needs to be authenticated and authorized with the five-defense lock. This usually involves security mechanisms such as dynamic passwords and key exchanges to ensure that only legitimate smart keys can power the lock;

[0081] A control instruction generation module, used to generate a control instruction in response to a user's operation on a key after identity authentication is passed;

[0082] A wireless carrier communication module is used to send control instructions to the five-defense lock and receive operation results from the five-defense lock;

[0083] The Bluetooth communication module is used to send the operation results from the five-protection lock to the transmission terminal.

[0084] like Figure 5 As shown, in an embodiment of the present invention, the transmission terminal 3 serves as the transmission control terminal of the entire system, communicates with the background management terminal via wifi or GPRS, initiates and verifies the identity authentication of the operating user, and transmits the data to the five-protection smart key.

[0085] The transmission terminal 3 further has a data encryption function, and uses an encryption algorithm such as AES to encrypt the transmitted data to ensure the security of data transmission;

[0086] In the specific example, the transmission terminal 3 is developed based on the Android and IOS platforms, adopts parallel tasks and multi-threading modes, uses the Bluetooth function in the transmission terminal to interact with the Bluetooth module in the five-defense smart key for data, and uses the wireless carrier communication module in the five-defense smart key to interact with the five-defense lock data; uses the mobile Internet function of the transmission terminal to interact and verify the information and data in the security management terminal with the background management main station software.

[0087] like Figure 6 As shown, in an embodiment of the present invention, in the background management main station 4, the background main station software is used as a unified scheduling monitoring and command platform to realize the standardized and procedural operation of opening and closing of the on-site five-protection locks, and the opening and closing status of all security management and control terminals are recorded in real time to realize intensive management, record, count, analyze and monitor all data, and finally form a management report to realize real-time management and control and avoid unnecessary safety accidents.

[0088] The background management host further has user management, authority allocation and log recording functions, which are used to manage the operation permissions of different users and record the user's operation behavior.

[0089] In a specific example, the backstage management main station 4 is the core part of the whole system and is a monitoring and scheduling platform. In some examples, it can adopt a B / S architecture, which is composed of a foreground operation interface, a background network service program and a MySQL database. The foreground program is a user interaction interface of the web, which is used for parameter setting, authority control, user management, database management and other operations. The user interface is intuitive and simple to operate, and the content is concise and clear. The backstage service is a high-performance multi-threaded concurrent network server program based on modern C++, which adopts a multi-event loop multi-threaded concurrent model of IO multiplexing, supports large concurrent connections, and can handle more than 10K connections at the same time. The program runs in the form of a linux system background service, integrates the OpenSSL (open secure socket layer protocol) library, provides confidential data transmission on the Internet, and ensures communication security.

[0090] It can be understood that in the system provided by the present invention, through the use of the five-protection keys, real-time record upload of on-site operation records can be realized, and the data can be stored synchronously with the background management main station data, so that the data can be tracked and recorded throughout the entire process, and at the same time, in-depth data analysis can be performed to provide optimization management suggestions.

[0091] The entire system adopts a full-process human-machine function design. On the one hand, it optimizes the human-machine function of the system, with more convenient and intuitive operation and warnings for incorrect operations. On the other hand, the operation process can only be completed when all nodes are working and interacting normally at the same time.

[0092] like Figure 7 As shown, a schematic diagram of the main process of an embodiment of a five-defense intelligent management method for a substation provided by the invention is shown. In this embodiment, it adopts Figures 1 to 6 The system described is implemented, specifically, the method comprises at least the following steps:

[0093] Step S10, after detecting that the user operates the five-defense smart key, the identity verification module of the five-defense smart key cooperates with the transmission terminal to verify the legitimacy of the user;

[0094] Among them, identity authentication is achieved through technical means such as dynamic passwords, biometrics or digital certificates.

[0095] Step S11, after the verification is passed, the control instruction generation module of the five-defense smart key generates a control instruction according to the user's operation of the button, sends wireless power to the five-defense lock through the wireless power supply module, and sends the control instruction using the wireless carrier communication module;

[0096] Among them, wireless power supply uses electromagnetic induction or microwave radiation to ensure the stability and efficiency of wireless power transmission.

[0097] Step S12, the wireless receiving module of the five-defense lock receives wireless energy and control instructions; parses and decrypts the received control instructions, and sends an unlocking or locking execution command to the locking actuator according to the content of the control instructions to perform the unlocking or locking operation; and sends the operation data to the background management main station through the transmission terminal;

[0098] Among them, the transmission terminal encrypts the data before sending it to ensure the security and leakage prevention during the data transmission process.

[0099] Step S13, the background management main station receives the data from the transmission terminal, stores, processes and analyzes it, and realizes remote monitoring and management of the substation equipment.

[0100] This further includes: the background management main station detects abnormal data in real time. Once abnormal data is found, an alarm mechanism is immediately triggered to notify relevant personnel to handle it.

[0101] For more details, please refer to and combine the above Figures 1 to 6 The description is not repeated here.

[0102] Implementing the embodiments of the present invention has the following beneficial effects:

[0103] The present invention provides a five-defense intelligent management system and method for a substation. By adopting a passive and hole-free five-defense lock structure, in conjunction with a five-defense intelligent key, a transmission terminal, and a background management host, the five-defense lock can be unlocked and locked without contact, which can prevent personnel from short-circuiting. In addition, the intelligent five-defense intelligent key can record and control all data and operation steps in real time, effectively reducing the risk of misoperation. At the same time, the use of dynamic password control increases the security and reliability of the system.

[0104] Specifically, the closed hole-free design of the five-proof lock completely eliminates the possibility of illegal short-circuiting operations from the keyhole of the lock, greatly reducing the risk of misoperation. The dynamic password authorization mechanism ensures that each operation is subject to strict identity authentication and authorization, preventing unauthorized operations.

[0105] In the present invention, the five-defense lock adopts a passive design, and the power supply and communication module are moved into the five-defense smart key, which reduces the complexity and failure rate of the lock itself and improves the reliability of the system. The application of wireless communication and wireless power supply technology avoids the physical damage and disconnection problems that may be caused by traditional wired connections, and improves the stability and flexibility of the system. The five-defense lock with a passive design does not require an independent power supply, reduces energy consumption and carbon emissions, and complies with the environmental protection concept of energy conservation and emission reduction. The one-to-many use of the five-defense smart key improves the utilization rate of the equipment and reduces resource waste.

[0106] In the present invention, the on-site operation data is recorded and uploaded in real time, and stored synchronously with the background management main station, realizing the tracking and recording of the whole process of data, providing strong support for post-analysis and optimization management. The double AES encryption mechanism is adopted to ensure the confidentiality and leakage prevention during the data transmission process, and enhance the security of data.

[0107] In the present invention, the wireless power supply and wireless communication functions of the five-defense smart key make it unnecessary for operators to carry extra power cords and communication cables, making the operation more convenient. The system interface is intuitive, easy to operate, and has a warning function for incorrect operation, which reduces the difficulty of operation and improves the user experience.

[0108] In the present invention, the system architecture and design concept of the present invention have strong scalability and can be easily integrated and compatible with other systems of existing substations. With the development of technology and changes in demand, the system can be flexibly upgraded and expanded to meet the safety management and control needs of future substations.

[0109] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0110] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A system that specifies the functions of a box or multiple boxes.

[0111] The above disclosure is only a preferred embodiment of the present invention, which certainly cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims

1. A five-defense intelligent management system for substations, characterized in that: At least include: five-defense locks, five-defense smart keys, transmission terminals and background management main station, including: The five-defense lock is a closed keyless lock installed on a field device in a substation, and is used to receive wireless power and control instructions from a five-defense smart key, and drive its locking actuator according to the control instructions to perform unlocking or locking operations; The five-defense smart key is used to provide wireless power to the five-defense lock after the user is authorized and verified, and to send control instructions and report the operation data from the five-defense lock to the transmission terminal; The transmission terminal is used to receive the operation data from the five-defense smart key and transmit it to the background management main station; The background management main station is used to receive, store and analyze the operation data from the transmission terminal to achieve remote monitoring and management of substation equipment.

2. The system according to claim 1, characterized in that The five-defense lock is in the shape of a U-shaped lock, its casing is made of stainless steel, and the back cover is fully sealed by laser welding; The five-protection locks include at least: Wireless power receiving module, used to receive wireless power from the five-defense smart key; The wireless carrier communication module is used for wireless carrier communication with the five-defense smart key, receiving control instructions from the five-defense smart key, and feeding back the operation results to the five-defense smart key in real time; An encryption and decryption module, used to parse and decrypt received control instructions; The MCU module is used to send an unlocking or locking execution command to the locking actuator according to the content of the control instruction after the data decrypted and parsed by the encryption and decryption module is correct; The locking actuator performs unlocking or locking operations according to the execution command sent by the MCU module.

3. The system according to claim 2, characterized in that A wireless carrier antenna is arranged at the front end of the five-defense smart key body, a display screen is arranged at the front, four buttons are arranged under the display screen, including function on, function off, power on and off button and registration button, and a speaker hole is arranged next to the buttons.

4. The system according to claim 3, characterized in that The five-defense smart key has built-in: Wireless power supply module, used to provide wireless power to the five-protection lock by electromagnetic induction or microwave radiation; An identity authentication module, used to cooperate with the transmission terminal to authenticate the operating user; A control instruction generation module, used to generate a control instruction in response to a user's operation on a key after identity authentication is passed; A wireless carrier communication module is used to send control instructions to the five-defense lock and receive operation results from the five-defense lock; The Bluetooth communication module is used to send the operation results from the five-protection lock to the transmission terminal.

5. The system according to any one of claims 1 to 4, characterized in that The transmission terminal further has a data encryption function, and uses encryption algorithms such as AES to encrypt the transmitted data to ensure the security of data transmission; The background management host further has user management, authority allocation and log recording functions, which are used to manage the operation permissions of different users and record the user's operation behavior.

6. A five-defense intelligent management method for a substation, which is implemented by using the system according to any one of claims 1 to 5, characterized in that: The method comprises at least the following steps: Step S10, after detecting that the user operates the five-defense smart key, the identity verification module of the five-defense smart key cooperates with the transmission terminal to verify the legitimacy of the user; Step S11, after the verification is passed, the control instruction generation module of the five-defense smart key generates a control instruction according to the user's operation of the button, sends wireless power to the five-defense lock through the wireless power supply module, and sends the control instruction using the wireless carrier communication module; Step S12, the five-defense lock receives wireless power and control instructions; parses and decrypts the received control instructions, and sends an unlocking or locking execution command to the locking actuator according to the content of the control instructions to perform the unlocking or locking operation; and sends the operation data to the background management main station through the transmission terminal; Step S13, the background management main station receives the data from the transmission terminal, stores, processes and analyzes it, and realizes remote monitoring and management of the substation equipment.

7. The method according to claim 6, characterized in that The identity authentication in step S10 is achieved by using dynamic password, biometrics or digital certificate technology.

8. The method according to claim 7, characterized in that The wireless power supply in step S11 is performed by electromagnetic induction or microwave radiation.

9. The method according to claim 8, characterized in that In step S12, the transmission terminal encrypts the data before sending it.

10. The method according to any one of claims 6 to 9, characterized in that: Further including: The background management main station detects abnormal data in real time. Once abnormal data is found, the alarm mechanism is immediately triggered to notify relevant personnel for processing.

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