Method and system for enhancing stability of optical transceiver

Abstract

The invention relates to the technical field of power grid communication transmission, and discloses an optical transceiver stability enhancing method and system, and the method comprises the following steps: S1, dividing an optical transceiver system into a plurality of functional regions, configuring at least one optical transceiver node in each region, and connecting the optical transceiver nodes of adjacent regions through redundant links; and S2, according to the real-time load, the bandwidth and the delay parameter of the optical transmitter and receiver, a redundancy switching algorithm is adopted to optimize the redundancy path, and the system further comprises the following modules: a region redundancy module used for dividing the optical transmitter and receiver system into a plurality of regions and connecting the optical transmitter and receiver nodes of the adjacent regions through redundancy links. Through dynamic redundant path switching, advanced electromagnetic shielding and EMI filtering design and an efficient temperature control system, the problems of inflexible redundant path, insufficient electromagnetic interference protection and untimely temperature control response in the existing optical transceiver technology are solved, so that the stability and the anti-interference capability of the system are remarkably improved, and the service life of equipment is remarkably prolonged.

Description

Technical Field

[0001] The present invention relates to the field of power grid communication transmission, and in particular to a method and system for enhancing the stability of an optical terminal. Background Art

[0002] With the continuous development of communication technology, optical transceivers have been widely used in many application scenarios, especially in remote data transmission and network node construction, where the stability and reliability of optical transceivers play a vital role. However, the existing technology has deficiencies in redundant path switching, electromagnetic interference protection, and temperature control system design of optical transceivers, resulting in the inability to effectively guarantee the stability and performance of optical transceivers in complex network environments and extreme working conditions.

[0003] First, the redundant path switching mechanism in existing optical terminal systems often relies on static configuration. Traditional redundant path design only considers the preset primary and backup paths. Once a failure occurs, the system can only switch according to the pre-set backup path. This static design cannot be adjusted according to real-time changes in network status. Especially when parameters such as node load, bandwidth and latency fluctuate, the switching of redundant paths is often delayed or untimely, resulting in decreased network performance and even the risk of communication interruption.

[0004] Secondly, although the existing electromagnetic interference protection technology can reduce external interference to a certain extent, its effect is not significant in high-frequency electromagnetic environments. Electromagnetic shielding materials and EMI filters are often unable to completely and effectively filter strong interference signals in complex electromagnetic environments. Most of the shielding materials used in the prior art are metal materials, such as aluminum alloy and copper. Although they can shield low-frequency interference to a certain extent, they have weak suppression capabilities for high-frequency signals. Therefore, optical terminals may still be seriously affected in high-electromagnetic interference environments, resulting in a decrease in signal transmission quality and even system crashes.

[0005] Finally, the design of the temperature control system also has certain limitations. Traditional temperature control systems mostly rely on a single heat dissipation device, such as a heat sink or fan. Although these components can keep the equipment working normally in a moderate temperature environment, under extreme temperature conditions, these systems often cannot respond to rapid temperature changes in a timely manner. When the ambient temperature is too high, the existing temperature control solution may not be able to effectively dissipate heat, causing the optical terminal to overheat and be damaged; when the ambient temperature is too low, the startup and operation of the optical terminal may also be affected. Therefore, the existing technology does not take into account the dynamic adjustment requirements under extreme temperature conditions in the temperature control design, resulting in the inability of the equipment to operate stably in extreme temperature environments.

[0006] In summary, although the existing optical terminal technology has made certain progress in redundant path switching, electromagnetic interference protection and temperature control design, it still has many shortcomings. In particular, when facing complex network loads and extreme environmental conditions, the stability and reliability of the existing system cannot be effectively guaranteed. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a method and system for enhancing the stability of an optical terminal, which solves the deficiencies of the existing optical terminal system in redundant path switching, electromagnetic interference protection and temperature control design.

[0008] To achieve the above purpose, the present invention is implemented by the following technical scheme: a method for enhancing the stability of an optical terminal, comprising the following steps: S1. Divide the optical terminal system into multiple functional areas, configure at least one optical terminal node in each area, and connect the optical terminal nodes in adjacent areas through redundant links; S2. Based on the real-time load, bandwidth and delay parameters of the optical transceiver, a redundant switching algorithm is used to optimize the redundant path to ensure that the system can automatically switch to the optimal backup path when a failure occurs; S3, when an optical terminal fails, based on the Markov decision process model, by evaluating the state transition, it is determined whether to trigger redundant path switching to restore communication; S4. Use high-performance electromagnetic shielding materials to reduce the impact of external electromagnetic interference on the signal, and use EMI filters to ensure signal purity; S5. Design a temperature control system to ensure stable operation of the optical terminal under extreme temperature conditions.

[0009] Preferably, the step of "dividing the optical terminal system into multiple functional areas" in step S1 includes the following sub-steps: S1.1. Divide the optical terminal system into multiple functional areas according to the geographical location and communication requirements of the optical terminal deployment, where the optical terminal nodes in each area serve as redundant backup for each other; S1,2. Configure at least one optical terminal node for each area and ensure that the optical terminal nodes in adjacent areas are connected through redundant links; S1.3. Optimize the layout of redundant links and use the shortest path algorithm to calculate the bandwidth and delay of redundant links to ensure the optimal performance of redundant links and reduce link delay and bandwidth consumption.

[0010] Preferably, the "redundant switching algorithm optimizes the redundant path" in step S2 includes the following sub-steps: S2.1. Collect the key parameters of load, bandwidth and delay of the optical terminal in real time, and dynamically update the status of each optical terminal node based on these parameters; S2.2. Based on the game theory model, the resource allocation and path selection of each optical terminal node are calculated, the redundant path selection is optimized, and the delay and bandwidth consumption of redundant switching are minimized; S2.3. When a fault occurs, based on the real-time status, select the redundant path with the smallest load and shortest delay for switching.

[0011] Preferably, minimizing the delay and bandwidth consumption of redundant switching in step S2.2 is accomplished by using the following optimization objective function, the formula of which is: ; Where n is the total number of nodes in the optical terminal system, From the optical terminal node To optical transceiver node The path delay, From the optical terminal node To optical transceiver node The path bandwidth is Optical Transceiver Node The load indicates the load or computing task currently carried by the node. , , are all weight coefficients.

[0012] Preferably, the step S3 of "based on the Markov decision process model, by evaluating the state transition, determining whether to trigger redundant path switching to restore communication" includes the following sub-steps: S3.1. Define multiple states for each optical transceiver, including "normal", "standby" and "fault" states, and assign a return value to each state, where the return value reflects the current working state of the system; S3.2. Calculate the optimal value of each state according to the Bellman optimal equation, evaluate the system state and make state transition judgment; S3.3. Based on the calculated optimal value, choose whether to trigger redundant path switching to restore system communication.

[0013] Preferably, the calculation formula of the Bellman optimal equation in step S3.3 is as follows: ; in: is the current status of the optical transceiver. The optical transceiver is in the state The action to be performed is: This is the feedback after the optical transceiver executes the action. is the state transition probability, indicating that in the current state and actions The optical transceiver transfers to the next state. The probability of is the discount factor used to balance the importance of immediate returns and future returns. is the optimal value function, representing the state The maximum return under Next state The optimal value function of .

[0014] Preferably, the "using high-performance electromagnetic shielding material" in step S4 includes the following sub-steps: Aluminum alloy with excellent electromagnetic shielding performance is selected as the shell material of the optical terminal to ensure that external electromagnetic interference will not affect the normal operation of the internal circuit; Add EMI filters to the optical terminal circuit design and add grounding shielding components to the interface part to reduce the impact of external electromagnetic interference on signal transmission.

[0015] Preferably, the “designing a temperature control system” in step S5 includes the following sub-steps: S5.1. Use graphene composite materials as the base material of the optical terminal; S5.2. Design heat sinks and place them on the top, bottom and both sides of the optical transceiver housing. The heat sink material is aluminum alloy or copper. The area of ​​the heat sink is designed according to the power requirements. The fin spacing is 1.5mm to 4mm. The fin spacing of the heat sink is between 1.5mm and 4mm. S5.3. Deploy PTC thermistors inside the optical transceiver to control the device temperature; S5.4. The temperature of the optical transceiver is monitored in real time through the temperature sensor. The temperature control system automatically adjusts the heat dissipation capacity of the equipment and triggers fan acceleration, PTC thermistor heating or activation of more heat sinks when the preset threshold is exceeded to maintain the normal operating temperature of the equipment. S5.5. Add an overheat protection mechanism to the system. When the device temperature reaches the set overheat threshold, the load of the optical terminal is automatically reduced or redundant paths are enabled to protect the device from high temperature damage.

[0016] The optical terminal device stability enhancement method is used to implement the above-mentioned optical terminal device stability enhancement method, and includes the following modules: The regional redundancy module is used to divide the optical terminal system into multiple areas and connect the optical terminal nodes in adjacent areas through redundant links; Dynamic redundant switching module, used to select the optimal redundant path for switching based on real-time optical terminal load, bandwidth, delay and other parameters; The self-healing module is used to perform status evaluation based on the MDP model and automatically switch to the redundant path to restore communication when the optical terminal fails; Electromagnetic interference protection module, used for electromagnetic shielding and EMI filtering to ensure signal purity; Temperature control module, used to adjust the working temperature of the optical transceiver to ensure stable operation of the equipment under extreme temperatures; The health monitoring and redundancy switching module is used to monitor the status of the optical terminal in real time. Once a fault is found, it automatically switches to the redundant module to maintain system operation.

[0017] The present invention provides a method and system for enhancing the stability of an optical terminal, which has the following beneficial effects: 1. The present invention adopts dynamic redundant path switching technology, monitors the load, bandwidth and delay parameters of the optical terminal node in real time, and combines the game theory model, the shortest path algorithm and the Markov decision process model to optimize the path. Compared with the static redundant path design in the prior art, this intelligent and dynamic path switching solution realizes faster and more accurate path switching, and can significantly reduce the communication interruption time caused by path failure. The prior art usually relies on preset redundant paths and cannot adapt to complex network environment changes. The present invention ensures the stability and communication quality of the system in any environment through real-time data feedback and algorithm optimization; 2. The present invention uses high-performance electromagnetic shielding materials and advanced EMI filtering technology for electromagnetic interference protection, effectively reducing the impact of external electromagnetic interference on signals. The use of graphene composite materials and aluminum alloy shells significantly improves the electromagnetic shielding effect compared to traditional shielding materials commonly used in the prior art, especially in high-frequency electromagnetic interference environments. The shielding effect is more prominent. In addition, the present invention can effectively filter high-frequency noise in power supply and signals through the optimized design of EMI filters, ensuring the purity of signal transmission. Compared with traditional technologies that usually only use a single shielding structure and simple filtering methods, the present invention has stronger anti-interference capabilities in complex electromagnetic environments, ensuring the reliability of the system; 3. The present invention designs an efficient temperature control system, which combines graphene composite materials and PTC thermistor technology to automatically adjust the temperature of the optical terminal to ensure stable operation of the equipment under extreme temperature conditions. The temperature control scheme in the prior art usually relies on a single radiator or external auxiliary equipment, which cannot respond quickly when the temperature is too low or too high, resulting in performance degradation or even damage to the optical terminal. Compared with the prior art, the present invention combines thermistors with efficient heat sinks to provide heating functions under low temperature conditions and provide additional heat dissipation at high temperatures, thereby greatly improving the efficiency and accuracy of temperature management. This scheme can not only protect the optical terminal from damage caused by extreme temperatures, but also extend the service life of the equipment and improve the overall stability and reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the method flow of the present invention; Figure 2 It is a system framework diagram of the present invention. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the specification of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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.

[0020] Please refer to the attached Figure 1 The embodiment of the present invention provides a method for enhancing stability of an optical terminal, comprising the following steps: S1. Divide the optical terminal system into multiple functional areas, configure at least one optical terminal node in each area, and connect the optical terminal nodes in adjacent areas through redundant links; In this embodiment, the optical terminal system is divided into multiple functional areas, and at least one optical terminal node is configured in each area. The optical terminal node in each area is connected to the optical terminal node in the adjacent area through a redundant link. This design ensures that even if a certain area fails, other areas can still maintain normal operation.

[0021] Specifically, the design of redundant links ensures that each area can work independently and can quickly switch paths in the event of a failure. The selection of redundant links can be optimized based on real-time system load, bandwidth requirements and latency to ensure that redundant links always operate efficiently.

[0022] As an option, the redundant links can be connected in a ring structure, a tree structure or a star structure. The ring structure can improve the fault tolerance of the system because even if a link fails, data can still be transmitted through other paths, thereby ensuring high reliability of the system.

[0023] In one possible implementation, the selection and configuration of redundant links can be completed through an optimization algorithm. The optimization algorithm comprehensively considers factors such as latency, bandwidth, and node load. In order to select the optimal redundant path, a combination of a game theory model and a shortest path algorithm can be used to dynamically select redundant links by monitoring the load and bandwidth of the optical terminal node in real time.

[0024] The optimization objective function can be expressed as: ; Where n is the total number of nodes in the optical terminal system, From the optical terminal node To optical transceiver node The path delay, From the optical terminal node To optical transceiver node The path bandwidth is Optical Transceiver Node The load indicates the load or computing task currently carried by the node. , are all weight coefficients.

[0025] Through this objective function, the selection of redundant links will be more reasonable, and the path can be dynamically adjusted according to the real-time status of the system to achieve optimal data transmission.

[0026] In another embodiment, the optimization of redundant links can be combined with the MDP model (Markov decision process model). When a failure occurs, the MDP model can dynamically select the optimal path based on the current network status to maximize the recovery efficiency of the system.

[0027] For example, suppose there are five areas in the system, and the optical transceiver nodes are connected by redundant links. Under this design, if the main link between area A and area B fails, the system can automatically select a backup path to bypass the failed area and continue data transmission.

[0028] As another option, the redundant link design can also adopt a ring structure, where the optical terminal nodes in each area are connected through redundant links to form a closed loop. In this structure, when any link fails, the system can quickly bypass the fault point and continue to work through other paths. This design is particularly suitable for optical terminal systems that require high reliability.

[0029] By dividing the optical terminal system into multiple functional areas and connecting these areas through redundant links, the stability and reliability of the system can be significantly improved. The optimization design of redundant links not only takes into account bandwidth, latency and load, but also combines game theory models and MDP models to ensure efficient selection and dynamic adjustment of redundant paths. Different redundant link connection structures (such as ring, tree or star structures) can be flexibly selected according to the system scale and needs to ensure that the optical terminal system can recover quickly in the event of a failure and minimize communication interruption time.

[0030] S2. Based on the real-time load, bandwidth and delay parameters of the optical transceiver, a redundant switching algorithm is used to optimize the redundant path to ensure that the system can automatically switch to the optimal backup path when a failure occurs; In the optical transceiver system, the optimization of redundant paths is crucial to the stability and reliability of the system. Through reasonable redundant path selection, the system can ensure automatic switching to the optimal backup path when the main path fails. The redundant switching algorithm can dynamically adjust the selection of redundant paths based on network parameters such as real-time load, bandwidth, and latency of the optical transceiver node. This step not only ensures the high availability of the system, but also minimizes the impact of system failures on communications and ensures the continuity of the system.

[0031] In this embodiment, the redundant switching algorithm optimizes the redundant path based on the real-time load, bandwidth, delay and other parameters of the optical terminal. When the main link fails, the system will automatically select the optimal redundant link for communication to avoid system performance degradation caused by link failure. This process ensures that the selection of redundant paths is based on the global optimal solution by comprehensively evaluating the network status, thereby minimizing the time of communication interruption.

[0032] Specifically, redundant path selection uses an optimization algorithm based on real-time load and bandwidth requirements. The load, bandwidth, and delay parameters of the optical terminal will be monitored in real time in the system, and the path will be dynamically adjusted through the redundant switching algorithm. Redundant path optimization not only considers the bandwidth and delay of each link, but also combines the node load to ensure that the selection of redundant paths can take into account the reasonable allocation of network resources.

[0033] As an option, the optimization process of redundant paths can be achieved through game theory models. In the game theory model, optical terminal nodes make decisions based on their own bandwidth, load, delay and other information, and select the optimal redundant path by simulating the game between nodes. The game theory model can ensure that each node takes into account both local optimization and global resource balance when selecting redundant paths.

[0034] In a possible implementation, the redundant switching algorithm also combines the shortest path algorithm to calculate the redundant path. By calculating the bandwidth, delay, and network load of each link, the shortest path algorithm can select the backup path with the shortest delay and the lowest load. This path selection can significantly reduce the time it takes to recover the system after a link failure, ensuring that the optical terminal system can quickly resume normal communication.

[0035] The optimization of redundant path selection can be expressed by the following objective function: ; Where n is the total number of nodes in the optical terminal system, and To optical transceiver node The path delay, From the optical terminal node To optical transceiver node The path bandwidth is Optical Transceiver Node The load indicates the load or computing task currently carried by the node. , , They are weight coefficients used to adjust the impact of delay, bandwidth, and load on path selection.

[0036] This objective function can help the redundant switching algorithm to fully consider the impact of delay, bandwidth and load when selecting redundant paths, thereby achieving the optimal selection of redundant paths.

[0037] In some embodiments, redundant path switching can also be used in combination with a Markov decision process (MDP) model. The MDP model determines whether to start redundant path switching by evaluating the value of the current state and possible state transitions. Through the Bellman optimal equation, the redundant path can be dynamically adjusted according to the system state (such as network load, delay, bandwidth, etc.).

[0038] For example, suppose the optical terminal node and If the main link between the two fails, the redundant switching algorithm will evaluate the current status of the optical transceiver nodes (such as load, bandwidth, and delay) in real time and select the best backup path. arrive If the main link has high latency and low bandwidth, the system will give priority to a backup link with larger bandwidth and lower latency to ensure communication stability.

[0039] As another option, redundant path selection can also be combined with a self-healing module. When a system failure occurs, an automatic evaluation mechanism based on the MDP model can be used to quickly identify the current state of the system and trigger automatic switching of redundant paths to restore communication and reduce the impact of the failure on system performance.

[0040] This embodiment optimizes redundant path selection through a redundant switching algorithm to ensure that the system can automatically switch to the optimal backup path when a failure occurs. The optimization of redundant paths not only takes into account latency, bandwidth, and node load, but also combines game theory models, shortest path algorithms, and MDP models to ensure optimal path selection and maximize system performance. In this way, the system can quickly restore communication when an optical terminal fails, minimize system downtime, and ensure high availability and reliability of the system.

[0041] S3, when an optical terminal fails, based on the Markov decision process model, by evaluating the state transition, it is determined whether to trigger redundant path switching to restore communication; In the optical terminal system, when a fault occurs or network performance degrades, timely restoration of communication is the key to ensure the stable operation of the system. Based on the Markov decision process (MDP) model, the system can determine whether to trigger redundant path switching by evaluating the current state to quickly restore communication. The Markov decision process model can automatically make path switching decisions by evaluating the state transition of the system, thereby realizing adaptive redundant path selection and improving the fault tolerance and robustness of the system.

[0042] In this embodiment, when an optical terminal node fails, the system determines whether to trigger the switching of the redundant path through the state transition evaluation based on the MDP model. This process is mainly based on the current working state of the system to evaluate whether it is necessary to switch to the backup path to ensure that the communication is not interrupted and can be restored to the best performance state.

[0043] Specifically, the MDP model evaluates the best path selection when a failure occurs by dynamically modeling the system state and optimizing decisions. The system state includes multiple parameters, such as network latency, node load, bandwidth utilization, etc. Based on these parameters, the MDP model can calculate the optimal behavior of the system and make a decision on whether to switch paths.

[0044] As an option, the core calculation of the MDP model is based on the Bellman optimality equation, which evaluates the optimal value of each state through state transition probability and immediate reward. The form of the Bellman equation is: ; in: is the current status of the optical transceiver. The optical transceiver is in the state The action to be performed is This is the feedback after the optical transceiver executes the action. is the state transition probability, indicating that in the current state and actions The optical transceiver transfers to the next state. The probability of is the discount factor used to balance the importance of immediate returns and future returns. is the optimal value function, representing the state The maximum return under Next state The optimal value function of .

[0045] By calculation , the system can determine whether to trigger redundant path switching under different network conditions. If the calculation results show that switching to a redundant path can bring higher expected returns (i.e., lower latency or load), the system will automatically select the switching path.

[0046] In one possible implementation, the MDP model combines real-time monitored network status information to evaluate the feasible path selection when the current failure occurs. Specifically, the system will calculate the expected value under different paths by monitoring the latency, bandwidth utilization, and load of the optical terminal node. If the performance of the current path is lower than the preset threshold, the system will automatically select a redundant path to ensure that the optical terminal system quickly restores communication.

[0047] In some embodiments, the evaluation of the MDP model can be implemented through a state transition matrix, which records the transition probabilities between different states. By continuously updating and optimizing the state transition matrix, the system can dynamically select the optimal path based on the real-time state. For example, if the load of a link reaches a preset threshold, the system will evaluate the state of other links and select a backup path with larger bandwidth and lower latency.

[0048] Alternatively, when the system is in a critical state (such as when the load is too high or the bandwidth is insufficient), the system can dynamically decide whether to trigger redundant path switching by evaluating the state transition probability between the current state and the backup path. This decision-making process takes into account the real-time changes in network status and ensures maximum system stability through the optimization of the path selection algorithm.

[0049] For example: For example, suppose the optical terminal node arrive If the main link between the two fails, the system first evaluates the node load, bandwidth, and latency. arrive If the backup link has a larger bandwidth, lower latency, and a lower current load, the system automatically selects the backup link as the redundant path through the MDP model. At this time, the system triggers redundant path switching and switches the data flow from the primary link to the redundant link to ensure communication continuity.

[0050] As another option, when the system load is high, the MDP model can also evaluate whether load balancing is needed, that is, dynamically distributing traffic to multiple redundant links instead of relying on a single backup path. In this way, the system can not only restore communication, but also optimize the use of network resources to avoid overloading a single link.

[0051] This embodiment can automatically determine whether to trigger redundant path switching when an optical terminal fails through state transition evaluation based on the Markov decision process (MDP) model. The system calculates the optimal path switching decision through the Bellman optimal equation based on the real-time network status (such as node load, bandwidth, and delay, etc.), thereby ensuring the stability of communication and the efficiency of recovery. The application of the MDP model makes the selection of redundant paths not only based on the current network status, but also dynamically adjusted according to the probability of state transition, ensuring the system's adaptability and fault tolerance. In this way, the system can achieve efficient fault recovery and minimize the time of communication interruption.

[0052] S4. Use high-performance electromagnetic shielding materials to reduce the impact of external electromagnetic interference on the signal, and use EMI filters to ensure signal purity; In modern optical transceiver systems, electromagnetic interference (EMI) is an important factor affecting communication quality. External electromagnetic interference may not only cause signal distortion, but also cause unstable operation of the equipment and even damage the circuit. In order to effectively avoid these problems, the present invention reduces the impact of external electromagnetic interference on the optical transceiver signal by using high-performance electromagnetic shielding materials. At the same time, the application of EMI filters can further ensure the purity of the signal, reduce the noise and interference caused by electromagnetic interference, and ensure the stability of communication quality.

[0053] In this embodiment, by using high-performance electromagnetic shielding materials, the optical terminal can effectively isolate external electromagnetic interference sources. The optical terminal housing, internal circuit boards and key components all use optimized shielding materials to ensure that electromagnetic waves cannot enter the device. At the same time, EMI filters are integrated into the power line and signal line to further filter out possible electromagnetic noise and ensure the purity of signal transmission.

[0054] Specifically, the selection of electromagnetic shielding materials is one of the key technologies in the present invention. In this embodiment, aluminum alloy and graphene composite materials are used as the optical terminal housing material. These materials have excellent electromagnetic shielding performance, can effectively shield the influence of external electromagnetic waves on the optical terminal, and reduce the interference of the external environment. Aluminum alloy has good electrical conductivity and can effectively reflect electromagnetic waves, while graphene composite materials provide better electrical conductivity and higher electromagnetic shielding effect, especially suitable for electromagnetic interference in high frequency bands.

[0055] As an option, the external shielding can also be further enhanced by designing a multi-layer metal structure and using a conductive coating. Through the multi-layer metal shielding structure, electromagnetic waves of different frequency bands can be effectively isolated, thereby achieving more comprehensive electromagnetic interference protection.

[0056] In one possible implementation, each key component inside the optical transceiver (such as the processor, power module, and communication module) is independently shielded and isolated from the external environment. By adopting a reasonable layout design, it is ensured that the electromagnetic interference between the modules will not be transmitted to each other, thereby improving the overall stability of the system.

[0057] Specifically, the use of EMI filters can effectively reduce high-frequency noise in power and signal lines. EMI filters are usually integrated at the power input and signal input and output ends, and filter through capacitors and inductors to suppress noise signals with excessively high frequencies. The core function of EMI filters is to prevent unwanted high-frequency signals from propagating through the circuit, thereby protecting the purity of the signal and reducing system interference.

[0058] The design of EMI filters can be based on the following general formula: ; in: The frequency is The total impedance at this time indicates the anti-interference ability of the circuit. is the resistance, reflecting the DC resistance of the circuit, As an inductor, it can suppress high-frequency signals. As a capacitor, it can filter high-frequency signals and provide a short-circuit path for high-frequency noise. is an imaginary unit, is the frequency, and These two parts reflect the inductive reactance and capacitive reactance in the AC circuit.

[0059] By properly selecting the values ​​of inductance and capacitance, the performance of the EMI filter can be optimized to ensure that it can effectively filter high-frequency noise and protect signal integrity.

[0060] In some embodiments, the EMI filter may also adopt a common mode choke design to further enhance the ability to suppress high frequency interference. The common mode choke can effectively suppress the common mode noise on the power line and the signal line, and improve the anti-interference ability of the system.

[0061] As another option, in some high-end applications, the power management system of the optical transceiver can also integrate an active electromagnetic interference suppression module. This module can adjust the anti-interference ability of the power supply and signal path in real time during signal transmission through intelligent algorithms and electromagnetic modulation technology, thereby further reducing the impact of electromagnetic interference on the system.

[0062] For example: For example, in a high-precision communication system, the optical transceiver needs to work in a complex electromagnetic environment. By using a shell made of aluminum alloy and graphene composite materials, the optical transceiver can effectively shield electromagnetic interference from external devices and the environment to ensure the stable operation of the system. At the same time, adding efficient EMI filters to the power port and signal port of the optical transceiver can further ensure the purity of the signal and avoid the influence of external interference sources.

[0063] As another option, if the optical transceiver is used in an industrial environment, it may face higher intensity electromagnetic interference. In this case, in addition to using high-performance electromagnetic shielding materials, a multi-layer shielding structure can be designed to further reduce the penetration of electromagnetic waves. In addition, by optimizing the parameters of the filter to ensure that interference signals in various frequency ranges are filtered out, the system's anti-interference ability can be greatly improved.

[0064] This embodiment uses high-performance electromagnetic shielding materials and EMI filter design to ensure that the optical terminal can effectively resist external electromagnetic interference and ensure the purity of the signal and the stability of the system. By reasonably selecting and designing electromagnetic shielding materials (such as aluminum alloy, graphene composite materials, etc.) and optimizing the performance of EMI filters, the system can operate efficiently in different electromagnetic environments and avoid the impact of electromagnetic interference on the optical terminal signal. Through these technical measures, the optical terminal can provide high-quality and stable services in various application environments such as industry and communications.

[0065] S5. Design a temperature control system to ensure stable operation of the optical terminal under extreme temperature conditions.

[0066] In the working environment of the optical transceiver, temperature changes have a significant impact on the stability and reliability of the equipment. Especially under extreme temperature conditions, the optical transceiver requires an effective temperature control system to ensure its stable operation. The temperature control system is designed to prevent the performance degradation or failure of the equipment due to excessively high or low temperatures by monitoring and adjusting the working temperature of the optical transceiver. Through reasonable heat dissipation design, selection of temperature control components and dynamic adjustment mechanism, the optical transceiver can maintain good working condition under various temperature conditions.

[0067] In this embodiment, the design of the temperature control system mainly includes two key technologies: heat dissipation system design and temperature adjustment system. Efficient heat dissipation technology and temperature control modules are used outside and inside the optical terminal, so that the device can maintain a stable working state under extreme temperatures. Through the adjustment of the temperature control system, it is ensured that the device can always be within a safe working temperature range in different working environments.

[0068] Specifically, the temperature control system includes a variety of technical means and components to achieve functions such as temperature monitoring, heat conduction, heat dissipation and temperature control. By integrating temperature control modules, heat sinks, thermistors and other components, the system can automatically adjust the temperature of the equipment to ensure that the optical terminal can continue to work stably in harsh environments.

[0069] As an option, the temperature control system combines graphene composite materials, thermistors (PTCs) and high-efficiency heat sink designs. Due to its excellent thermal conductivity, graphene composite materials can effectively dissipate the heat generated inside the optical transceiver, ensuring that the equipment will not suffer performance degradation or damage due to overheating. Thermistors are used to provide heating when the temperature is too low to prevent the equipment from failing to start normally due to low temperatures. In high temperature conditions, the system automatically increases heat dissipation through heat sinks and heat dissipation systems to ensure that the temperature does not exceed the safe operating range of the equipment.

[0070] In one possible implementation, the heat sink is designed using aluminum alloy and graphene composite materials, which have extremely high thermal conductivity and can disperse the heat generated by the device to the surrounding environment in a very short time. The surface of the heat sink is anodized to further increase the heat conduction efficiency. By properly arranging the heat sink, it is ensured that the key components of the optical terminal (such as processors, power modules, etc.) can quickly conduct heat away when the temperature is too high, avoiding system failure caused by excessive temperature.

[0071] Specifically, the design of the temperature control module takes into account the real-time monitoring and adjustment of the temperature. The temperature sensor is integrated inside the optical transceiver to monitor the operating temperature of the optical transceiver in real time. When the temperature exceeds the preset upper limit, the system automatically starts the heat dissipation mechanism and accelerates the heat dissipation through the fan, or activates the additional heat sink for auxiliary heat dissipation. When the temperature is too low, the temperature control system will start the PTC thermistor to provide the necessary heating function to ensure that the equipment can start normally in a low temperature environment.

[0072] In some embodiments, the functions of the temperature control system are not limited to temperature monitoring and adjustment, but also combined with intelligent control algorithms to dynamically adjust the working state of the device through real-time monitoring of the working temperature. For example, when the device is at an extremely low temperature, the system can adjust the power consumption of the optical transceiver according to the feedback from the temperature control module to reduce the heat generation, and provide appropriate heating function through the thermistor to ensure that the temperature is not lower than the set safety range.

[0073] As another option, the temperature control system can also work in conjunction with the cooling fan. When the system temperature is too high, the fan will accelerate the air flow according to the instructions of the temperature control system to help dissipate heat. The fan speed and operation mode can be dynamically adjusted according to the needs of the temperature control system to ensure the optimal heat dissipation effect.

[0074] In another embodiment, the thermal management efficiency inside the optical terminal can be further improved by the proper selection of heat conduction materials. Graphene composite materials are often used as intermediary materials for heat conduction due to their excellent thermal conductivity. In this solution, the graphene layer is applied to the base of the device and the bottom of key components to ensure that heat is quickly transferred from the heat source to the heat sink.

[0075] For example: For example, optical transceivers deployed in cold regions need to prevent themselves from not being able to work properly due to low temperature environments. At this time, the temperature control system monitors the operating temperature of the optical transceiver in real time through temperature sensors and heats the optical transceiver components through PTC thermistors. When the ambient temperature reaches or falls below the set low temperature threshold, the thermistor starts to provide the required heat to maintain the operation of the optical transceiver. At the same time, the system adjusts the temperature inside and outside the optical transceiver through the heat sink design to prevent equipment damage due to excessively low temperatures.

[0076] As another option, when the optical transceiver is working in a high temperature environment, the system can adjust the fan speed through the temperature control system to ensure that the operating temperature of the equipment does not exceed the set upper limit. When the temperature reaches the high temperature threshold, the temperature control system will accelerate the heat dissipation through the heat sink and fan to reduce the temperature of the equipment and ensure that the optical transceiver always operates within a safe temperature range.

[0077] This embodiment can ensure the stable operation of the optical terminal under extreme temperature conditions by designing an efficient temperature control system. The system realizes real-time monitoring and dynamic adjustment of the temperature of the optical terminal through various technical means such as graphene composite materials, PTC thermistors, heat sinks and fans. Whether in low or high temperature environments, the temperature control system can effectively adjust the operating temperature of the optical terminal, ensure the normal operation of the equipment in extreme environments, and minimize failures and performance degradation caused by excessively high or low temperatures.

[0078] The optical terminal device stability enhancement system described below and the optical terminal device stability enhancement method described above can be referenced to each other.

[0079] The regional redundancy module is used to divide the optical terminal system into multiple areas and connect the optical terminal nodes in adjacent areas through redundant links; Dynamic redundant switching module, used to select the optimal redundant path for switching based on real-time optical terminal load, bandwidth, delay and other parameters; The self-healing module is used to perform status evaluation based on the MDP model and automatically switch to the redundant path to restore communication when the optical terminal fails; Electromagnetic interference protection module, used for electromagnetic shielding and EMI filtering to ensure signal purity; Temperature control module, used to adjust the working temperature of the optical transceiver to ensure stable operation of the equipment under extreme temperatures; The health monitoring and redundancy switching module is used to monitor the status of the optical terminal in real time. Once a fault is found, it automatically switches to the redundant module to maintain system operation.

[0080] The system of this embodiment can be used to execute the above method embodiments, and its principles and technical effects are similar, which will not be repeated here.

[0081] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A method for enhancing stability of an optical terminal, characterized in that: The following steps are involved: S1. Divide the optical terminal system into multiple functional areas, configure at least one optical terminal node in each area, and connect the optical terminal nodes in adjacent areas through redundant links; S2. Based on the real-time load, bandwidth and delay parameters of the optical transceiver, a redundant switching algorithm is used to optimize the redundant path to ensure that the system can automatically switch to the optimal backup path when a failure occurs; S3, when an optical terminal fails, based on the Markov decision process model, by evaluating the state transition, it is determined whether to trigger redundant path switching to restore communication; S4. Use high-performance electromagnetic shielding materials to reduce the impact of external electromagnetic interference on the signal, and use EMI filters to ensure signal purity; S5. Design a temperature control system to ensure stable operation of the optical terminal under extreme temperature conditions.

2. The method for enhancing stability of an optical terminal according to claim 1, characterized in that: The step S1 of "dividing the optical terminal system into multiple functional areas" includes the following sub-steps: S1.

1. Divide the optical terminal system into multiple functional areas according to the geographical location and communication requirements of the optical terminal deployment, where the optical terminal nodes in each area serve as redundant backup for each other; S1,2. Configure at least one optical terminal node for each area and ensure that the optical terminal nodes in adjacent areas are connected through redundant links; S1.

3. Optimize the layout of redundant links and use the shortest path algorithm to calculate the bandwidth and delay of redundant links to ensure the optimal performance of redundant links and reduce link delay and bandwidth consumption.

3. The method for enhancing stability of an optical terminal according to claim 1, characterized in that: The "redundant switching algorithm optimizes the redundant path" in step S2 includes the following sub-steps: S2.

1. Collect the key parameters of load, bandwidth and delay of the optical terminal in real time, and dynamically update the status of each optical terminal node based on these parameters; S2.

2. Based on the game theory model, the resource allocation and path selection of each optical terminal node are calculated, the redundant path selection is optimized, and the delay and bandwidth consumption of redundant switching are minimized; S2.

3. When a fault occurs, based on the real-time status, select the redundant path with the smallest load and shortest delay for switching.

4. The method for enhancing stability of an optical terminal according to claim 3, characterized in that: In step S2.2, minimizing the delay and bandwidth consumption of redundant switching is accomplished by using the following optimization objective function, the formula of which is: ； Where n is the total number of nodes in the optical terminal system, From the optical terminal node To optical transceiver node The path delay, From the optical terminal node To optical transceiver node The path bandwidth is Optical Transceiver Node The load indicates the load or computing task currently carried by the node. , , are all weight coefficients.

5. The method for enhancing stability of an optical terminal according to claim 1, characterized in that: The step S3 of "based on the Markov decision process model, by evaluating the state transition, determining whether to trigger redundant path switching to restore communication" includes the following sub-steps: S3.

1. Define multiple states for each optical transceiver, including "normal", "standby" and "fault" states, and assign a return value to each state, where the return value reflects the current working state of the system; S3.

2. Calculate the optimal value of each state according to the Bellman optimal equation, evaluate the system state and make state transition judgment; S3.

3. Based on the calculated optimal value, choose whether to trigger redundant path switching to restore system communication.

6. The method for enhancing stability of an optical terminal according to claim 5, characterized in that: The calculation formula of the Bellman optimal equation in step S3.3 is as follows: ； in: is the current status of the optical transceiver. The optical transceiver is in the state The action to be performed is This is the feedback after the optical transceiver executes the action. is the state transition probability, indicating that in the current state and actions The optical transceiver transfers to the next state. The probability of is the discount factor used to balance the importance of immediate returns and future returns. is the optimal value function, representing the state The maximum return under Next state The optimal value function of .

7. The method for enhancing stability of an optical terminal according to claim 1, characterized in that: The "using high-performance electromagnetic shielding materials" in step S4 includes the following sub-steps: Aluminum alloy with excellent electromagnetic shielding performance is selected as the shell material of the optical terminal to ensure that external electromagnetic interference will not affect the normal operation of the internal circuit; Add EMI filters to the optical terminal circuit design and add grounding shielding components to the interface part to reduce the impact of external electromagnetic interference on signal transmission.

8. The method for enhancing stability of an optical terminal according to claim 1, characterized in that: The "designing a temperature control system" in step S5 includes the following sub-steps: S5.

1. Use graphene composite materials as the base material of the optical terminal; S5.

2. Design heat sinks and place them on the top, bottom and both sides of the optical transceiver housing. The heat sink material is aluminum alloy or copper. The area of ​​the heat sink is designed according to the power requirements. The fin spacing is 1.5mm to 4mm. The fin spacing of the heat sink is between 1.5mm and 4mm. S5.

3. Deploy PTC thermistors inside the optical transceiver to control the device temperature; S5.

4. The temperature of the optical transceiver is monitored in real time through the temperature sensor. The temperature control system automatically adjusts the heat dissipation capacity of the equipment and triggers fan acceleration, PTC thermistor heating or activation of more heat sinks when the preset threshold is exceeded to maintain the normal operating temperature of the equipment. S5.

5. Add an overheat protection mechanism to the system. When the device temperature reaches the set overheat threshold, the load of the optical terminal is automatically reduced or redundant paths are enabled to protect the device from high temperature damage.

9. The optical terminal enhanced stability system is characterized by: The method for enhancing stability of an optical terminal according to any one of claims 1 to 8 above comprises the following modules: The regional redundancy module is used to divide the optical terminal system into multiple areas and connect the optical terminal nodes in adjacent areas through redundant links; Dynamic redundant switching module, used to select the optimal redundant path for switching based on real-time optical terminal load, bandwidth, delay and other parameters; The self-healing module is used to perform status evaluation based on the MDP model and automatically switch to the redundant path to restore communication when the optical terminal fails; Electromagnetic interference protection module, used for electromagnetic shielding and EMI filtering to ensure signal purity; Temperature control module, used to adjust the working temperature of the optical transceiver to ensure stable operation of the equipment under extreme temperatures; The health monitoring and redundancy switching module is used to monitor the status of the optical transceiver in real time. Once a fault is found, it automatically switches to the redundant module to maintain system operation.

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