A self-healing method and device for FTU distribution network terminal

Abstract

The present invention discloses a self-healing method and device for an FTU network distribution terminal. By collecting input voltage information, battery voltage information, network communication information and FTU command information of the FTU network distribution terminal, the FTU command information of the FTU network distribution terminal can be effectively detected on the operation status of the FTU network distribution terminal, thereby achieving the effect of remote restart or on-site adaptive restart of the FTU network distribution terminal, thereby meeting the functional requirements of companies and enterprises.

Description

Technical Field

[0001] The present invention relates to the technical field of FTU network distribution terminals, and in particular to a self-healing method and device for an FTU network distribution terminal. Background Art

[0002] The FTU distribution network terminal is a new generation of feeder automation remote terminal device that integrates telemetry, telesignaling, remote control, protection and communication functions. The FTU distribution network terminal adopts digital signal processing technology, multi-CPU (Central Processing Unit) integration technology, high-speed industrial network communication technology, and an embedded real-time multi-tasking operating system. It is suitable for automation projects of urban, rural and enterprise distribution networks, and completes the monitoring, control and protection of ring network cabinets and pole switches, as well as communication and other automation functions. Through the FTU distribution network terminal, in conjunction with the distribution substation and the master station, normal monitoring and fault identification, isolation and power supply restoration of non-fault sections of distribution lines can be realized.

[0003] With the large-scale commissioning of FTU distribution terminals, power companies and enterprises have increasingly greater functional demands for FTU distribution terminals. However, the existing FTU distribution terminals are unable to achieve the effects of remote restart of FTU distribution terminals and battery monitoring, resulting in the inability to meet the functional requirements of companies and enterprises, and will also affect the stable operation of FTU distribution terminals. Summary of the invention

[0004] In view of this, the present invention proposes a self-healing method and device for an FTU distribution network terminal, which can solve the defects of the prior art that the functional requirements of companies and enterprises cannot be met, and the defects that affect the stable operation of the FTU distribution network terminal.

[0005] The technical solution of the present invention is achieved in this way:

[0006] A self-healing method for a FTU distribution network terminal, specifically comprising:

[0007] Collect the input voltage information, battery voltage information, network communication information and FTU instruction information of the FTU network distribution terminal, judge the operation status of the power management module according to the input and output voltage information of the FTU network distribution terminal, and whether the power management module needs to be switched. If so, send a switching instruction to perform the switching operation. According to the input voltage information and battery voltage information of the FTU network distribution terminal, judge whether the battery is needed to power the FTU network distribution terminal. If so, send a power supply instruction to perform the power supply operation and perform adaptive operation management on the battery. According to the network communication information of the FTU network distribution terminal, judge the operation status of the communication management module and whether the communication module needs to be restarted. If so, send a restart instruction to perform the restart operation. According to the FTU instruction information of the FTU network distribution terminal, judge the operation status of the distribution terminal and whether the distribution terminal needs to be restarted for self-healing. If so, send a restart self-healing instruction to perform the restart self-healing operation, thereby realizing the self-healing of the FTU network distribution terminal.

[0008] As a further optional solution of the FTU network distribution terminal self-healing method, judging the operation status of the power management module and whether the power management module needs to be switched based on the input and output voltage information of the FTU network distribution terminal specifically includes:

[0009] Determine whether the input voltage of the FTU network distribution terminal is greater than the power supply start voltage setting of the FTU network distribution terminal. If so, the power management module needs to be switched. Otherwise, the power management module does not need to be switched.

[0010] As a further optional solution of the FTU network distribution terminal self-healing method, judging whether a battery is needed to power the FTU network distribution terminal based on the input voltage information and battery voltage information of the FTU network distribution terminal specifically includes:

[0011] Determine whether the input voltage of the FTU network distribution terminal is less than the power supply start voltage setting value set by the FTU network distribution terminal. When the input voltage is less than the power supply start voltage setting value, determine whether the battery voltage is greater than the undervoltage setting value set by the equipment. When the battery voltage is greater than the undervoltage setting value, determine whether the power supply output time is less than the power supply time setting value set by the equipment. When the power supply output timing is less than the power supply time, it is determined that the battery is needed to power the FTU network distribution terminal.

[0012] As a further optional solution of the FTU network distribution terminal self-healing method, judging the operation status of the network distribution terminal and whether it is necessary to restart the network distribution terminal for self-healing according to the FTU instruction information of the FTU network distribution terminal, specifically includes:

[0013] Determine whether the current FTU command information is valid. When the FTU command information is valid, determine whether the FTU network configuration terminal input voltage is greater than the battery voltage of the device. When the FTU network configuration terminal input voltage is greater than the battery voltage, determine whether the battery voltage is greater than the activation stop voltage. When the battery voltage is greater than the activation stop voltage, restart the battery for self-healing.

[0014] As a further optional solution of the FTU network distribution terminal self-healing method, judging the operation status of the network distribution terminal and whether it is necessary to restart the network distribution terminal for self-healing according to the FTU instruction information of the FTU network distribution terminal, specifically includes:

[0015] Determine whether the current automatic activation function is valid. When the automatic activation is in the on state, determine whether the automatic activation time is greater than the automatic activation cycle time setting of the equipment. When the automatic activation time is greater than the activation cycle setting, activate the battery.

[0016] A self-healing device for an FTU network distribution terminal comprises a human-computer interaction module and a control terminal module, wherein the human-computer interaction module is used to input configuration parameters of the FTU network distribution terminal, and the control terminal module is used to implement any one of the above-mentioned FTU network distribution terminal configuration methods, and the human-computer interaction module is electrically connected to the control terminal module.

[0017] As a further optional scheme for the FTU distribution terminal self-healing device, the control terminal module includes a control module, a human-machine interface module, a communication module, an isolation module, a control interface module and a power supply module, and the human-machine interface module, communication module, isolation module, control interface module and power supply module are electrically connected to the control module respectively.

[0018] The beneficial effect of the present invention is that by collecting the input voltage information, battery voltage information, network communication information and FTU command information of the FTU network distribution terminal, the FTU command information of the FTU network distribution terminal can be effectively detected for the operation status of the FTU network distribution terminal, thereby achieving the effect of remote restart or on-site adaptive restart of the FTU network distribution terminal, thereby meeting the functional requirements of companies and enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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 ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of a process flow of a FTU distribution network terminal self-healing method of the present invention;

[0021] Figure 2 A schematic diagram of the composition of a FTU distribution network terminal self-healing device of the present invention;

[0022] Figure 3 is a circuit diagram of a control module in the present invention;

[0023] Figure 4 is a circuit diagram of the human-machine interface module in the present invention;

[0024] Figure 5 is a circuit diagram of the communication module in the present invention;

[0025] Figure 6 is a circuit diagram of the isolation module in the present invention;

[0026] Figure 7 is a circuit diagram of the control interface module in the present invention;

[0027] Figure 8 It is a circuit diagram of the power module in the present invention. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] refer to Figure 1-8 , a FTU distribution network terminal self-healing method, specifically comprising:

[0030] Collect the input voltage information, battery voltage information, network communication information and FTU instruction information of the FTU network distribution terminal, judge the operation status of the power management module according to the input and output voltage information of the FTU network distribution terminal, and whether the power management module needs to be switched. If so, send a switching instruction to perform the switching operation. According to the input voltage information and battery voltage information of the FTU network distribution terminal, judge whether the battery is needed to power the FTU network distribution terminal. If so, send a power supply instruction to perform the power supply operation and perform adaptive operation management on the battery. According to the network communication information of the FTU network distribution terminal, judge the operation status of the communication management module and whether the communication module needs to be restarted. If so, send a restart instruction to perform the restart operation. According to the FTU instruction information of the FTU network distribution terminal, judge the operation status of the distribution terminal and whether the distribution terminal needs to be restarted for self-healing. If so, send a restart self-healing instruction to perform the restart self-healing operation, thereby realizing the self-healing of the FTU network distribution terminal.

[0031] In this embodiment, by collecting the input voltage information, battery voltage information, network communication information and FTU command information of the FTU network distribution terminal, the FTU command information of the FTU network distribution terminal can be effectively detected for the operation status of the FTU network distribution terminal, thereby achieving the effect of remote restart or on-site adaptive restart of the FTU network distribution terminal, thereby meeting the functional requirements of companies and enterprises.

[0032] Preferably, judging the operating state of the power management module and whether it is necessary to switch the power management module based on the input and output voltage information of the FTU network distribution terminal specifically includes:

[0033] Determine whether the input voltage of the FTU network distribution terminal is greater than the power supply start voltage setting of the FTU network distribution terminal. If so, the power management module needs to be switched. Otherwise, the power management module does not need to be switched.

[0034] In this embodiment, the design of the charging function module is used to realize the automatic charging function of the FTU network distribution terminal. When the program runs to the function module and enters execution, it first determines whether the current FTU network distribution terminal input voltage is greater than the starting voltage constant parameter set by the FTU network distribution terminal. When the input voltage is greater than the set starting voltage constant, the FTU network distribution terminal logic enters the charging function state, turns on the charging switch, and performs the charging action.

[0035] Preferably, judging whether a battery is needed to power the FTU network distribution terminal based on the input voltage information and battery voltage information of the FTU network distribution terminal specifically includes:

[0036] Determine whether the input voltage of the FTU network distribution terminal is less than the power supply start voltage setting value set by the FTU network distribution terminal. When the input voltage is less than the power supply start voltage setting value, determine whether the battery voltage is greater than the undervoltage setting value set by the equipment. When the battery voltage is greater than the undervoltage setting value, determine whether the power supply output time is less than the power supply time setting value set by the equipment. When the power supply output timing is less than the power supply time, it is determined that the battery is needed to power the FTU network distribution terminal.

[0037] In this embodiment, the power supply function module is designed to realize the automatic power supply function of the FTU network distribution terminal. When the program runs to the function module and enters the execution, it first determines whether the current FTU network distribution terminal input voltage is less than the power supply start voltage setting value set by the FTU network distribution terminal. When the input voltage is less than the power supply start voltage setting value, it enters the subsequent power supply start function judgment, otherwise exits this cycle; then it determines whether the battery voltage is greater than the undervoltage setting value set by the equipment. When the battery voltage is greater than the undervoltage setting value, it enters the subsequent power supply start function judgment, otherwise exits this cycle; finally, it determines whether the power supply output time is less than the power supply time setting value set by the equipment, but the power supply output timing is less than the power supply time, enters the power supply start and timing function steps, otherwise exits this cycle; when entering the power supply working state, the device turns on the power supply output switch to perform external power supply action.

[0038] Preferably, judging the operation status of the distribution network terminal and whether it is necessary to restart the distribution network terminal for self-healing according to the FTU instruction information of the FTU distribution network terminal includes:

[0039] Determine whether the current FTU command information is valid. When the FTU command information is valid, determine whether the FTU network configuration terminal input voltage is greater than the battery voltage of the device. When the FTU network configuration terminal input voltage is greater than the battery voltage, determine whether the battery voltage is greater than the activation stop voltage. When the battery voltage is greater than the activation stop voltage, restart the battery for self-healing.

[0040] In this embodiment, the activation function module is designed to realize the battery activation function of the FTU distribution network terminal. When the program runs to the function module and enters the execution, it first determines whether the current activation command is valid. When the activation command is valid, it enters the subsequent activation start function judgment, otherwise it exits the current cycle; then it determines whether the input voltage of the FTU distribution network terminal is greater than the battery voltage of the FTU distribution network terminal. When the input voltage of the FTU distribution network terminal is greater than the battery voltage, it enters the subsequent activation start function judgment, otherwise it exits the current cycle; finally, it determines whether the battery voltage is greater than the activation stop voltage. When the battery voltage is greater than the activation stop voltage, it enters the activation start and timing function steps, otherwise it exits the current cycle; when entering the activation working state, the device turns on the activation output switch to perform the battery activation action.

[0041] Preferably, judging the operation status of the distribution network terminal and whether it is necessary to restart the distribution network terminal for self-healing according to the FTU instruction information of the FTU distribution network terminal includes:

[0042] Determine whether the current automatic activation function is valid. When the automatic activation is in the on state, determine whether the automatic activation time is greater than the automatic activation cycle time setting of the equipment. When the automatic activation time is greater than the activation cycle setting, activate the battery.

[0043] In this embodiment, the automatic activation function module is designed to realize the automatic activation function of the battery of the FTU distribution network terminal. When the program runs to the function module and enters the execution, it first determines whether the current automatic activation function is valid. When the automatic activation is in the input state, it enters the subsequent automatic activation start timing, and then performs the automatic timing judgment, otherwise exits the current cycle; then it determines whether the automatic activation timing is greater than the automatic activation cycle time setting of the equipment. When the automatic activation timing is greater than the activation cycle setting, it enters the subsequent activation start command setting, otherwise exits the current cycle; when entering the activation start command setting working state, the battery activation command is issued, and the FTU distribution network terminal then executes the activation function module function.

[0044] A self-healing device for an FTU network distribution terminal comprises a human-computer interaction module and a control terminal module, wherein the human-computer interaction module is used to input configuration parameters of the FTU network distribution terminal, and the control terminal module is used to implement any one of the above-mentioned FTU network distribution terminal configuration methods, and the human-computer interaction module is electrically connected to the control terminal module.

[0045] Preferably, the control terminal module includes a control module, a human-machine interface module, a communication module, an isolation module, a control interface module and a power supply module, and the human-machine interface module, communication module, isolation module, control interface module and power supply module are electrically connected to the control module respectively.

[0046] In this embodiment, when the system is powered on, the parameter initialization function such as the operating parameters and fixed values ​​of each module is first executed. After the initialization is completed, the program enters the main working cycle; after the device enters the main cycle, the specific steps are as follows:

[0047] a. First, execute the charging work module function. According to the device input voltage and battery voltage information collected by the system, perform the corresponding charging work processing. After the charging work module is completed, enter the next module processing;

[0048] b. Execute the power supply working module function, and execute the corresponding power supply working process according to the equipment input voltage and battery voltage information collected by the system. After the power supply working module is executed, enter the next module processing;

[0049] c. Execute the activation work module function. According to the activation command issued by the human-machine interface or the command issued by the module automatic activation, the system executes the activation function and executes the corresponding activation work processing according to the device input voltage and battery voltage information collected by the system. After the charging work module is executed, it enters the next module processing;

[0050] d. Execute the automatic activation working module. According to the system's automatic activation function, the module executes the corresponding timing logic to implement the activation command issuance, and then automatically activates the function. After the automatic activation working module is executed, enter other function modules for execution;

[0051] e. Execute other functional modules, mainly to realize human-computer interaction functions, which can realize operation parameter display, fixed value setting, status indication and other functions. When the operation is completed, the loop ends and returns to the main loop to enter the interface, repeating the above module operation to realize all the operation functions of the equipment.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A FTU distribution network terminal self-healing method, characterized in that: Specifically include: Collect the input voltage information, battery voltage information, network communication information and FTU instruction information of the FTU network distribution terminal, and judge the operation status of the power management module according to the input and output voltage information of the FTU network distribution terminal, whether the power management module needs to be switched, if so, send a switching instruction to perform the switching operation, and judge whether the battery needs to be powered on the FTU network distribution terminal according to the input voltage information and battery voltage information of the FTU network distribution terminal, if so, send a power supply instruction to perform the power supply operation, and perform adaptive operation management on the battery; judge the operation status of the communication management module according to the network communication information of the FTU network distribution terminal, whether the communication module needs to be restarted, if so, send a restart instruction to perform the restart operation, and judge the operation status of the distribution terminal according to the FTU instruction information of the FTU network distribution terminal, whether the distribution terminal needs to be restarted and self-healed, if so, send a restart self-healing instruction to perform the restart self-healing operation, thereby realizing the self-healing of the FTU network distribution terminal; Among them, judging the running state of the power management module and whether it is necessary to switch the power management module specifically includes: judging whether the current input voltage of the FTU network distribution terminal is greater than the starting voltage setting parameter set by the FTU network distribution terminal. When the input voltage is greater than the set starting voltage setting, the FTU network distribution terminal logic enters the charging function state, turns on the charging switch, and performs the charging action; Determine whether a battery is needed to power the FTU network distribution terminal, specifically including: determine whether the current FTU network distribution terminal input voltage is less than the power supply start voltage setting value set by the FTU network distribution terminal. When the input voltage is less than the power supply start voltage setting value, enter the subsequent power supply start function judgment, otherwise exit this cycle; then determine whether the battery voltage is greater than the undervoltage setting value set by the device. When the battery voltage is greater than the undervoltage setting value, enter the subsequent power supply start function judgment, otherwise exit this cycle; finally, determine whether the power supply output time is less than the power supply time setting value set by the device, but the power supply output timing is less than the power supply time, enter the power supply start and timing function steps, otherwise exit this cycle; when entering the power supply working state, the device turns on the power supply output switch to perform external power supply action; Determine the operating status of the distribution network terminal and whether it is necessary to restart the distribution network terminal for self-healing, specifically including: determining whether the input voltage of the FTU distribution network terminal is greater than the battery voltage of the equipment. When the input voltage of the FTU distribution network terminal is greater than the battery voltage, determine whether the battery voltage is greater than the activation stop voltage. When the battery voltage is greater than the activation stop voltage, restart the battery for self-healing.

2. A FTU distribution network terminal self-healing method according to claim 1, characterized in that: According to the FTU command information of the FTU distribution network terminal, determine the operating status of the distribution network terminal and whether it is necessary to restart the distribution network terminal for self-healing, including: Determine whether the current automatic activation function is valid. When the automatic activation is in the on state, determine whether the automatic activation time is greater than the automatic activation cycle time setting of the equipment. When the automatic activation time is greater than the activation cycle setting, activate the battery.

3. A FTU distribution network terminal self-healing device, characterized in that: It includes a human-computer interaction module and a control terminal module, the human-computer interaction module is used to input the configuration parameters of the FTU network configuration terminal, the control terminal module is used to implement any one of the FTU network configuration methods in claims 1-2, and the human-computer interaction module is electrically connected to the control terminal module.

4. The FTU distribution network terminal self-healing device according to claim 3 is characterized in that: The control terminal module includes a control module, a human-machine interface module, a communication module, an isolation module, a control interface module and a power module, and the human-machine interface module, the communication module, the isolation module, the control interface module and the power module are electrically connected to the control module respectively.

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