Optical fiber communication relay device and equipment

Abstract

The invention provides an optical fiber communication relay device and equipment. The device comprises an optical fiber transmission module, a photoelectric conversion module and a wireless transmission module, wherein the photoelectric conversion module and the wireless transmission module are respectively connected with the optical fiber transmission module; wherein the photoelectric conversion module is used for converting an electric signal of the distribution automation equipment into an optical signal; the optical fiber transmission module is used for transmitting the converted optical signal to the wireless transmission module through an optical fiber; and the wireless transmission module is used for converting the received optical signal into an electric signal and transmitting the electric signal to a power distribution automation system in a wireless transmission mode. Electric signals are converted into optical signals through the photoelectric conversion module, the optical signals are transmitted through optical fibers, the problem that wireless signals are prone to interference is effectively solved, communication stability and reliability are improved, power-back failures caused by signal weakening are reduced, and therefore the reliability of a power supply system is improved, and the service life of the power supply system is prolonged. The problems of unstable wireless signals, frequent disconnection and communication in a special environment in a power distribution automation system are solved.

Description

Technical Field

[0001] The present application relates to the technical field of power system automation, and in particular to an optical fiber communication relay device and equipment. Background Art

[0002] With the rapid development of power system automation, distribution automation technology has become a key technology to improve power supply reliability, optimize resource allocation and reduce operating costs. The distribution automation system achieves accurate grasp and rapid response to the operation status of the power grid by real-time monitoring, control and coordination of equipment in the distribution network. In this process, communication technology plays a vital role, responsible for transmitting monitoring data, control commands and fault information to ensure the efficient operation of the system.

[0003] However, traditional communication methods, especially wireless communication, have problems such as unstable signals and susceptibility to interference in complex environments. Wireless signals are affected by factors such as base station adjustments, building shielding, and weather changes, resulting in signal weakening or frequent disconnection. Especially in special environments such as basements, wireless signals are difficult to cover, which seriously affects the normal operation of distribution automation equipment and limits the application scope and flexibility of distribution automation systems.

[0004] As an alternative, although optical fiber communication has the advantages of long transmission distance, high speed, and strong anti-interference ability, its application still has certain limitations in short-distance communication, especially in the communication of distribution automation equipment. In addition, existing solutions, such as adding repeaters and optimizing wireless signals, often increase the complexity and cost of the system, and the effect is limited, especially in scenarios that require short-distance and high-stability communication. These solutions cannot fully meet the needs. Therefore, there is an urgent need for a new type of communication relay device to overcome the problems of unstable wireless signals, communication difficulties in special environments, and high operation and maintenance costs, while providing an efficient, stable and low-cost communication solution.

[0005] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the invention

[0006] In response to the above technical problems, the present application provides a fiber optic communication relay device and equipment to solve the communication problems such as unstable wireless signals, frequent disconnections and special environments in the distribution automation system, improve the stability and reliability of communication, and thus improve the reliability of the power supply system.

[0007] In order to solve the above technical problems, the present application provides an optical fiber communication relay device, comprising an optical fiber transmission module, and an optoelectronic conversion module and a wireless transmission module respectively connected to the optical fiber transmission module;

[0008] The photoelectric conversion module is used to convert the electrical signal of the power distribution automation equipment into an optical signal;

[0009] The optical fiber transmission module is used to transmit the optical signal obtained after conversion to the wireless transmission module through an optical fiber;

[0010] The wireless transmission module is used to convert the received optical signal back into an electrical signal, and transmit the electrical signal to the power distribution automation system via wireless transmission.

[0011] Further, in some embodiments of the present application, the device also includes a main control circuit module, a power circuit module and a solar energy storage module;

[0012] The main control circuit module is respectively connected to the photoelectric conversion module, the optical fiber transmission module, the wireless transmission module, the power circuit module and the solar energy storage module, and is used to control the operation of the optical fiber communication relay device;

[0013] The power circuit module is used to supply power to the optical fiber communication relay device;

[0014] The solar energy storage module is used to collect solar energy and convert it into electrical energy for storage.

[0015] Further, in some embodiments of the present application, the photoelectric conversion module includes a light source, a driving circuit and an optical interface;

[0016] The light source comprises at least one light emitting diode or at least one laser diode;

[0017] The driving circuit is used to control the on and off of the light source to convert the electrical signal into the optical signal;

[0018] The optical interface is used to connect to the optical fiber transmission module.

[0019] Further, in some embodiments of the present application, the optical fiber transmission module includes an optical fiber and an optical fiber interface;

[0020] The optical fiber is used to connect the photoelectric conversion module and the wireless transmission module, and transmit the optical signal converted by the photoelectric conversion module to the wireless transmission module;

[0021] The optical fiber interface is used to provide an interface for connecting the photoelectric conversion module and the wireless transmission module.

[0022] Further, in some embodiments of the present application, the wireless transmission module includes a wireless transmission unit, an antenna unit and a serial port unit;

[0023] The wireless transmission unit is used to convert the optical signal back into an electrical signal and send it to the power distribution automation system wirelessly;

[0024] The antenna unit is used to send and receive wireless signals;

[0025] The serial port unit is used to provide a data transmission interface with the main control circuit module.

[0026] Further, in some embodiments of the present application, the main control circuit module includes a single chip microcomputer, a download interface, an external crystal oscillator and a reset circuit;

[0027] The single chip microcomputer is used to provide control logic for the optical fiber communication relay device;

[0028] The download interface is used to download programs and update programs to the optical fiber communication relay device;

[0029] The external crystal oscillator is used to provide a clock signal for the optical fiber communication relay device;

[0030] The reset circuit is used to perform a reset operation on the optical fiber communication relay device.

[0031] Further, in some embodiments of the present application, the power circuit module includes a lithium battery charge and discharge management unit and a 3.3V power supply unit;

[0032] The lithium battery charge and discharge management unit is used to manage the charge and discharge of the lithium battery;

[0033] The 3.3V power supply unit is used to convert the 5V voltage into a 3.3V voltage to supply power to the optical fiber communication relay device.

[0034] Further, in some embodiments of the present application, the solar energy storage device includes a solar panel, an energy storage battery and a charge controller;

[0035] The solar panel is used to collect solar energy;

[0036] The energy storage battery is used to store the electrical energy obtained after solar energy conversion;

[0037] The charging controller is used to control the charging and discharging process of the energy storage battery.

[0038] Further, in some embodiments of the present application, the device further comprises a relay drive circuit module, the relay drive circuit module is respectively connected to the main control circuit module and the relay in the power distribution automation system, and the relay drive circuit module comprises a serial-to-parallel chip and a drive chip;

[0039] The serial-to-parallel chip is used to convert the control signal sent by the single-chip microcomputer;

[0040] The driving chip is used to control the working state of the relay according to the converted control signal.

[0041] Correspondingly, the present application also provides a fiber optic communication relay device, including the fiber optic communication relay apparatus as described above.

[0042] Implementing the embodiments of the present application has the following beneficial effects:

[0043] In summary, the present application provides a fiber optic communication relay device and equipment, the fiber optic communication relay device includes a fiber optic transmission module, and a photoelectric conversion module and a wireless transmission module respectively connected to the fiber optic transmission module; wherein the photoelectric conversion module is used to convert the electrical signal of the distribution automation equipment into an optical signal; the fiber optic transmission module is used to transmit the optical signal obtained after the conversion to the wireless transmission module through an optical fiber; the wireless transmission module is used to convert the received optical signal back into an electrical signal, and transmit the electrical signal to the distribution automation system through a wireless transmission method. The present application provides a fiber optic communication relay solution, which converts the electrical signal into an optical signal through a photoelectric conversion module, transmits it to the wireless transmission module using an optical fiber, and finally transmits it to the distribution automation system through the wireless transmission module, effectively avoiding the problem that the wireless signal is susceptible to interference, improving the stability and reliability of communication, reducing the failure of power failure caused by signal weakening, thereby improving the reliability of the power supply system, and effectively solving the communication problems of unstable wireless signals, frequent disconnections, and special environments in the distribution automation system. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification are used to explain the principles of the present application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0045] Figure 1 It is a structural schematic diagram of an optical fiber communication relay device provided in an embodiment of the present application;

[0046] Figure 2 is another structural schematic diagram of the optical fiber communication relay device provided in an embodiment of the present application;

[0047] Figure 3 It is a flowchart of the master-slave communication and testing process provided in an embodiment of the present application.

[0048] The realization of the purpose, functional features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. The above-mentioned drawings have shown clear embodiments of this application, which will be described in more detail later. These drawings and textual descriptions are not intended to limit the scope of the concept of this application in any way, but to illustrate the concept of this application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0049] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0050] It should be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element. In addition, components, features, and elements with the same name in different embodiments of the present application may have the same meaning or different meanings, and their specific meanings need to be determined by their explanation in the specific embodiment or further combined with the context of the specific embodiment.

[0051] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0052] In the subsequent description, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, "module", "component" or "unit" can be used in a mixed manner.

[0053] With the development of the power system, distribution automation technology has been widely used to improve power supply reliability, optimize resource allocation and reduce operating costs. The distribution automation system achieves accurate grasp and rapid response to the operation status of the power grid by real-time monitoring, control and coordination of equipment in the distribution network. In distribution automation applications, wireless communication is one of the commonly used communication methods. However, wireless signals are affected by many factors, such as base station adjustments, building shielding, weather changes, etc., resulting in signal weakening or frequent disconnection. Especially in special environments such as basements, wireless signals are difficult to cover, which seriously affects the normal operation of distribution automation equipment. At present, although some solutions attempt to improve communication quality by adding repeaters and optimizing wireless signals, these solutions often increase the complexity and cost of the system and have limited effects. Especially in scenarios where short-distance and high-stability communication is required, these solutions cannot fully meet the needs.

[0054] In response to the above problems, the present application proposes a fiber optic communication relay device and equipment to solve the communication problems of unstable wireless signals, frequent disconnections and special environments in the distribution automation system, improve the stability and reliability of communication, and thus improve the reliability of the power supply system.

[0055] See also Figure 1 , Figure 1 1 is a schematic diagram of the structure of the optical fiber communication relay device provided in the embodiment of the present application. The optical fiber communication relay device provided in the present embodiment may include an optical fiber transmission module 20, and an optoelectronic conversion module 10 and a wireless transmission module 30 respectively connected to the optical fiber transmission module, which may be specifically as follows:

[0056] The photoelectric conversion module 10 is used to convert the electrical signal of the power distribution automation equipment into an optical signal;

[0057] Specifically, the photoelectric conversion module 10 mainly converts the electrical signal of the distribution automation equipment into an optical signal. A light emitting diode (LED) or a laser diode (LD) is used as a light source, and the light source is controlled by a driving circuit to realize the conversion of the electrical signal into an optical signal. In addition, a more efficient light source, such as a vertical cavity surface emitting laser (VCSEL), can also be used to improve the conversion efficiency and signal quality.

[0058] The optical fiber transmission module 20 is used to transmit the converted optical signal to the wireless transmission module through the optical fiber;

[0059] Specifically, the optical fiber transmission module 20 is mainly used to transmit the converted optical signal to the wireless transmission module 30 through the optical fiber. Select the appropriate optical fiber type and length to ensure the stable transmission of the optical signal. In addition, multi-mode optical fiber or single-mode optical fiber can be used, and the selection is made according to the transmission distance and bandwidth requirements. At the same time, it is possible to consider using an optical fiber amplifier to enhance the signal, especially in long-distance transmission.

[0060] A wireless transmission module 30 is used to convert the received optical signal back into an electrical signal and transmit the electrical signal to the power distribution automation system by wireless transmission;

[0061] Specifically, the wireless transmission module 30 mainly converts the optical signal received from the optical fiber output module 20 back into an electrical signal, and transmits the electrical signal to the distribution automation system by wireless transmission. For example, existing wireless communication technologies such as GPRS, CDMA and other communication technologies are used to ensure compatibility with the distribution automation system. In addition, more advanced wireless communication technologies such as LoRa or 5G and other communication technologies can also be used to improve transmission rate and reliability.

[0062] It can be seen that the fiber optic communication relay device provided in this embodiment avoids the problem of wireless signals being susceptible to interference through photoelectric conversion and fiber optic transmission, and significantly improves the stability and reliability of communication. Since fiber optic communication has the advantages of strong anti-interference ability and long transmission distance, it is particularly suitable for communication needs in special environments such as basements. Compared with traditional solutions such as adding repeaters and optimizing wireless signals, the device of the present invention has a simple structure, is easy to implement, and does not require professional maintenance and adjustment, which reduces the difficulty and cost of operation and maintenance. Due to the use of fiber optic communication, this embodiment has no special requirements for the installation location of the primary equipment, and the installation location can be flexibly selected according to the site conditions, which improves the flexibility and convenience of construction. By reducing the amount of operation and maintenance work and avoiding complex wiring, the overall operation and maintenance cost is significantly reduced, while the power supply reliability is improved.

[0063] Furthermore, if Figure 2 As shown, in some embodiments, the optical fiber communication relay device of this embodiment further includes a main control circuit module 40, a power circuit module 20 and a solar energy storage module 60;

[0064] The main control circuit module 40 is respectively connected to the photoelectric conversion module 10, the optical fiber transmission module 20, the wireless transmission module 30, the power circuit module 50 and the solar energy storage module 60, and is used to control the operation of the optical fiber communication relay device;

[0065] Specifically, the main control circuit module 40 is used to control the operation of the optical fiber communication relay device. The main control circuit module is composed of a single-chip microcomputer STM32F103C8T6, a download interface, an external crystal oscillator, a reset circuit, etc., and provides control logic and interfaces. In addition, a higher-performance single-chip microcomputer can also be used to support more complex control algorithms and data processing. At the same time, by adding a wireless firmware update function, remote maintenance and upgrades are facilitated.

[0066] A power circuit module 50, used to supply power to the optical fiber communication relay device;

[0067] Specifically, the power circuit module 50 is used to power the optical fiber communication relay device. It is composed of a lithium battery charge and discharge management unit and a 3.3V power supply unit, which converts the 5V voltage into 3.3V to power the main control circuit and other modules. This embodiment can also use a more efficient power management chip to improve energy conversion efficiency. At the same time, it can be considered to add multiple outputs to support modules with different voltage requirements.

[0068] A solar energy storage module 60 is used to collect solar energy and convert it into electrical energy for storage;

[0069] Specifically, the solar energy storage module 60 is used to collect solar energy and convert it into electrical energy for storage. The solar energy storage module includes a solar panel, an energy storage battery and a charge controller. The solar panel collects solar energy, the energy storage battery stores electrical energy, and the charge controller controls the charging and discharging process. This embodiment can also use a more efficient solar panel and a higher energy density energy storage battery, such as a lithium-ion battery or a lithium polymer battery. At the same time, an intelligent charge controller can be added to optimize the charging efficiency and extend the battery life.

[0070] By integrating the solar energy storage module, the device of this embodiment can utilize renewable energy, reduce dependence on external power supplies, reduce operation and maintenance costs, and improve applicability in power-free environments; the optimization of the main control circuit module can improve the control accuracy and response speed of the device, and the improvement of the power circuit module can ensure a stable power supply, thereby improving the reliability and stability of the entire system; the solar energy storage module reduces the frequency of battery replacement, and efficient power management can reduce energy waste, and the two work together to reduce long-term maintenance costs; due to the use of solar energy storage modules, the device can work in outdoor environments and adapt to more harsh environments, such as distribution automation systems in remote areas.

[0071] Further, in some embodiments, the photoelectric conversion module includes a light source, a driving circuit, and an optical interface;

[0072] a light source comprising at least one light emitting diode or at least one laser diode;

[0073] Specifically, the light source in this embodiment includes at least one light emitting diode (LED) or at least one laser diode (LD), and the signal quality is ensured by selecting a high-efficiency, high-stability LED or LD. A multi-wavelength light source or a tunable laser can also be used as a light source to support more complex communication protocols and improve the anti-interference ability of the signal.

[0074] A driving circuit, used to control the on and off of the light source to convert the electrical signal into an optical signal;

[0075] Specifically, by precisely controlling the brightness and frequency of the light source through the driving circuit to achieve efficient electro-optical conversion, more advanced modulation techniques, such as pulse width modulation (PWM) or orthogonal frequency division multiplexing (OFDM), can be used to improve the rate and quality of signal transmission.

[0076] An optical interface, used for connecting with an optical fiber transmission module;

[0077] Specifically, for optical interfaces, appropriate interfaces are designed to ensure efficient connection and signal transmission with optical fibers. For example, self-aligning optical interfaces are designed to simplify the installation process and reduce signal loss due to improper alignment.

[0078] This embodiment uses a high-efficiency light source and a precise driving circuit to improve the quality of converting electrical signals into optical signals and reduce signal losses during transmission. The optimized light source and advanced modulation technology can improve the anti-interference ability of the signal and ensure communication stability in complex environments. The self-aligning optical interface can simplify the optical fiber connection process, reduce signal losses caused by improper manual alignment, and reduce maintenance costs. The use of more advanced modulation technology can increase the signal transmission rate and meet communication scenarios with higher bandwidth requirements. By using a multi-wavelength light source or a tunable laser, the device can adapt to different communication protocols and environments, improving its flexibility and extensiveness of application.

[0079] Further, in some embodiments, the fiber optic transmission module includes an optical fiber and an optical fiber interface;

[0080] The optical fiber is used to connect the photoelectric conversion module and the wireless transmission module, and transmit the optical signal converted by the photoelectric conversion module to the wireless transmission module;

[0081] The optical fiber interface is used to provide an interface for connecting the photoelectric conversion module and the wireless transmission module.

[0082] Specifically, the optical fiber transmission module in this embodiment may specifically include an optical fiber and an optical fiber interface. The optical fiber transmission module connects the photoelectric conversion module and the wireless transmission module, and transmits the optical signal converted by the photoelectric conversion module to the wireless transmission module. Among them, the optical fiber is used as a medium for actually transmitting the optical signal, and a suitable optical fiber type (such as single-mode or multi-mode optical fiber) can be selected according to the transmission distance, bandwidth requirements and environmental conditions; the optical fiber interface provides a physical interface for connecting the photoelectric conversion module and the wireless transmission module, and an easy-to-connect and stable interface is designed to ensure the integrity and reliability of the optical signal during the transmission process.

[0083] In a specific embodiment, the optical fiber can use a new type of optical fiber with higher bandwidth and lower attenuation, such as few-mode fiber or hollow core fiber, to support data transmission over longer distances and at higher rates. The optical fiber interface can use advanced optical fiber connection technology, such as LC, SC or MPOM interfaces, which provide better connection stability and lower insertion loss. In addition, an optical fiber management system can also be designed, including path planning, fixation and protection of the optical fiber, to reduce signal interruption caused by physical damage.

[0084] This embodiment can significantly improve the stability of optical signals during transmission and reduce signal attenuation by selecting appropriate optical fiber types and designing stable optical fiber interfaces; high-quality optical fiber and interface design can ensure the integrity of signals during transmission and reduce data loss and errors; the use of new optical fibers can support data transmission over longer distances, which is particularly important for distribution automation systems covering wide areas; high-performance optical fibers can provide higher bandwidth to meet the needs of large data volume transmission and improve network bandwidth utilization; the optical fiber management system can reduce maintenance costs caused by physical damage and simplify optical fiber maintenance and repair work; the design of the optical fiber transmission module can adapt to various complex environments, such as high temperature, low temperature, humidity, etc., to ensure stable operation in these environments.

[0085] Further, in some embodiments, the wireless transmission module includes a wireless transmission unit, an antenna unit and a serial port unit;

[0086] A wireless transmission unit, used to convert the optical signal back into an electrical signal and send it to the distribution automation system wirelessly;

[0087] An antenna unit, used for sending and receiving wireless signals;

[0088] The serial port unit is used to provide a data transmission interface with the main control circuit module.

[0089] Specifically, the wireless transmission module in this embodiment is used to convert optical signals back into electrical signals and send them to the distribution automation system wirelessly. The wireless transmission module may specifically include a wireless transmission unit, an antenna unit and a serial port unit, wherein the wireless transmission unit is responsible for the conversion of optical signals into electrical signals and for wireless transmission; existing wireless communication technologies such as GPRS, CDMA, etc. may be used to ensure compatibility with the distribution automation system. The antenna unit is used to send and receive wireless signals; by designing an efficient antenna, the signal reception and transmission capabilities are enhanced; the serial port unit provides a data transmission interface with the main control circuit module to achieve a stable serial communication interface to ensure accurate data transmission.

[0090] In a specific embodiment, more advanced wireless communication technologies such as LoRa, ZigBee or 5G can be used to improve transmission rate and reliability. For antennas, directional antennas or multi-antenna technologies (such as MIMO) can be used to improve signal coverage and transmission quality. Serial port communication optimization can use higher-speed serial communication standards such as USB or Ethernet to increase data transmission rate.

[0091] This embodiment can significantly improve the data transmission rate of the wireless transmission module by adopting more advanced wireless communication technology and optimized antenna design; the use of directional antennas or multiple antenna technology can enhance the coverage of the signal, especially in complex environments such as cities or industrial areas; more advanced wireless communication technology can provide better anti-interference capabilities to ensure stable signal transmission; the high-speed serial communication interface can simplify data exchange with the main control circuit module and improve the efficiency of system integration; the use of low-power wireless communication technology can reduce the energy consumption of the wireless transmission module and extend the service life of the equipment; the design of the wireless transmission module allows upgrading and expansion without changing the existing wiring, thereby improving the flexibility and scalability of the system.

[0092] Further, in some embodiments, the main control circuit module includes a single chip microcomputer, a download interface, an external crystal oscillator and a reset circuit;

[0093] A single-chip microcomputer for providing control logic for the optical fiber communication relay device;

[0094] A download interface, used to download and update programs to the optical fiber communication relay device;

[0095] An external crystal oscillator is used to provide a clock signal for the optical fiber communication relay device;

[0096] The reset circuit is used to reset the optical fiber communication relay device.

[0097] Specifically, the main control circuit module in this embodiment is used to provide control logic, download interface, clock signal and reset operation for the main control circuit module to control the operation of the optical fiber communication relay device. The main control circuit module can specifically include a single chip microcomputer, a download interface, an external crystal oscillator and a reset circuit; wherein,

[0098] The microcontroller is used to implement control logic and process data. Choose a microcontroller with stable performance and powerful functions, such as the STM32 series, to meet the control requirements; the download interface is used to download and update programs, and implement USB or other universal interfaces to facilitate software updates and maintenance. The external crystal oscillator provides a stable clock signal to ensure the operation of the microcontroller. Select a high-precision crystal oscillator to ensure the stability of the clock signal. The reset circuit is used to reset the device when necessary. Design a reliable reset circuit to ensure that the normal operation of the device can be quickly restored under abnormal circumstances.

[0099] In a specific embodiment, a higher performance microcontroller can be used to support more complex control algorithms and data processing. The ability to wirelessly update firmware by adding a download interface can facilitate remote maintenance and upgrades. The clock signal can use a temperature compensated crystal oscillator (TCXO) or a more advanced clock source to improve the stability of the clock signal. The reset circuit can be designed with an intelligent reset circuit to distinguish between software failures and hardware failures and adopt corresponding reset strategies.

[0100] This embodiment can improve the execution efficiency and response speed of the control logic by using a high-performance single-chip microcomputer; the ability to wirelessly update firmware can simplify the software maintenance and upgrade process and reduce the need for on-site operations; the high-precision crystal oscillator can improve the stability of the clock signal, thereby improving the reliability of the entire system; the reliable reset circuit can quickly recover when an abnormality occurs in the system, reducing the system's failure time; the intelligent reset circuit can adopt different strategies according to different fault types to improve the system's self-diagnosis and self-healing capabilities.

[0101] Further, in some embodiments, the power circuit module includes a lithium battery charge and discharge management unit and a 3.3V power supply unit;

[0102] Lithium battery charge and discharge management unit, used to manage the charge and discharge of lithium batteries;

[0103] The 3.3V power supply unit is used to convert the 5V voltage into 3.3V voltage to power the optical fiber communication relay device.

[0104] Specifically, the function of the power circuit module in this embodiment is to provide a stable power supply for the optical fiber communication relay device. The power circuit module may specifically include a lithium battery charge and discharge management unit and a 3.3V power supply unit, wherein the battery charge and discharge management unit is responsible for managing the charge and discharge of the lithium battery to ensure the safety and life of the battery. An intelligent battery management system is adopted, including overcharge, over-discharge, overheating protection, etc., to protect the lithium battery and extend its service life. The 3.3V power supply unit converts the input 5V voltage into a 3.3V voltage to provide a stable power supply for the circuit in the device. An efficient DC-DC converter is used to ensure the high efficiency and stability of the voltage conversion. When there is no DC5V input, the lithium battery 3.7V increases the voltage to 5V through the charge and discharge management module, and then converts the 5V voltage to 3.3V through the 3.3V power supply module to power the main control circuit and other modules.

[0105] In a specific embodiment, the power circuit module can be designed to provide multiple voltage outputs to adapt to the voltage requirements of different components in the device. Design power management software to optimize power usage efficiency and extend battery life through software algorithms. By integrating wireless energy transmission technology, such as wireless charging, physical connections can be reduced and the flexibility of the device can be improved. In addition to solar energy storage modules, other types of energy collectors, such as vibration energy collectors or temperature difference energy collectors, can also be integrated to further enhance energy self-sufficiency.

[0106] This embodiment can improve energy utilization efficiency and reduce energy loss through an efficient DC-DC converter and an intelligent battery management system; the lithium battery charge and discharge management unit can effectively protect the battery, extend its service life, and reduce the frequency of replacement; the stable power supply can reduce device failures caused by power problems and improve the reliability of the entire system; wireless energy transmission technology can reduce physical connections and make the installation and maintenance of the device more convenient; by integrating multiple energy harvesters, the energy self-sufficiency of the device can be enhanced and the dependence on external power supply can be reduced; the design of the power circuit module can adapt to various environmental conditions, such as temperature changes, humidity, etc., to ensure stable operation under these conditions.

[0107] Further, in some embodiments, the solar energy storage device includes a solar panel, an energy storage battery, and a charge controller;

[0108] Solar panels, which collect solar energy;

[0109] Energy storage batteries are used to store the electricity obtained after solar energy conversion;

[0110] The charging controller is used to control the charging and discharging process of the energy storage battery.

[0111] Specifically, the solar energy storage module provided in this embodiment is mainly used to collect solar energy and convert it into electrical energy for storage, so as to provide energy for the optical fiber communication relay device. Solar energy is collected by solar panels and converted into electrical energy for storage. When the device needs to be operated, electrical energy can be obtained from the energy storage device, thereby extending the service life of the device and reducing operation and maintenance costs. The solar energy storage module can be specifically composed of solar panels, energy storage batteries and charging controllers, wherein the solar panels are responsible for collecting solar energy and maximizing energy conversion efficiency by selecting high-efficiency photovoltaic materials, such as monocrystalline silicon or polycrystalline silicon. The energy storage battery is used to store the electrical energy converted from solar energy, and adopts high energy density and long-life batteries, such as lithium-ion batteries, to store enough electrical energy. The charging controller is used to control the charging and discharging process of the energy storage battery, protect the battery and optimize the charging efficiency, and design an intelligent charging controller to achieve maximum power point tracking (MPPT) and battery status monitoring.

[0112] In a specific embodiment, new photovoltaic materials, such as thin-film solar cells or organic photovoltaic materials, are used to improve energy conversion efficiency and reduce costs. An intelligent energy management system is developed to optimize energy use and storage through software algorithms to improve energy efficiency. In addition to solar energy, other renewable energy sources, such as wind or hydropower, can be considered to be integrated as auxiliary energy inputs to improve the energy self-sufficiency of the system. For batteries, new battery technologies, such as solid-state batteries or sodium-ion batteries, can be used to improve energy storage density and safety.

[0113] This embodiment can significantly improve the energy self-sufficiency of the device and reduce dependence on external power sources through efficient solar panels and intelligent charging controllers; the intelligent charging controller can optimize the charging process, reduce the number of battery charge and discharge cycles, and extend the battery life; the energy storage battery provides a backup power supply, which can ensure the continuous operation of the device when solar energy is insufficient, thereby improving the reliability of the system; the solar energy storage module reduces the frequency of battery replacement and maintenance, thereby reducing long-term operation and maintenance costs; the design of the solar energy storage module can adapt to different environmental conditions, such as different light intensities and climatic conditions, to ensure stable operation under these conditions.

[0114] Furthermore, if Figure 2 As shown, in some embodiments, the optical fiber communication relay device further includes a relay drive circuit module 70, the relay drive circuit module 70 is respectively connected to the main control circuit module 40 and the relay in the power distribution automation system, and the relay drive circuit module 70 includes a serial-to-parallel chip and a drive chip;

[0115] Serial-to-parallel chip, used to convert the control signal sent by the microcontroller;

[0116] The driver chip is used to control the working state of the relay according to the converted control signal.

[0117] Specifically, the optical fiber communication relay device of the present embodiment further provides a relay driving circuit module 70 for controlling the relay in the power distribution automation system to realize remote or automatic switch control. The relay driving circuit module may specifically include a serial-to-parallel chip and a driver chip, wherein the serial-to-parallel chip is used to convert the serial control signal of the single-chip microcomputer into a parallel signal to control the relay, and a suitable serial-to-parallel chip is selected to ensure the accuracy and stability of the signal conversion. The driver chip is used to drive the working state of the relay according to the converted control signal, and a driver chip with high current driving capability is designed or selected to ensure the reliable operation of the relay. The relay driving circuit can effectively save the IO resources of the single-chip microcomputer, and also play a protective role to a certain extent to prevent the single-chip microcomputer from being damaged by external strong electricity.

[0118] In a specific embodiment, a more complex relay control strategy, such as time control, condition control, etc., is implemented by integrating a microcontroller or intelligent logic. By designing a relay state feedback mechanism, the working state of the relay is fed back to the main control circuit in real time for monitoring and fault diagnosis. By adding circuits such as overcurrent, overvoltage, and short-circuit protection, the safety and reliability of the relay drive circuit are improved. In addition, a wireless communication module can also be integrated so that the control of the relay is not limited to wired connection, thereby improving the flexibility of the system.

[0119] This embodiment can ensure accurate control of the relay and improve the control accuracy of the distribution automation system through precise serial-to-parallel chips and driver chips; the relay state feedback mechanism can enhance the system's ability to monitor the working state of the relay and respond to abnormal conditions in a timely manner; the added protection circuit can protect the relay and drive circuit from damage and improve the safety of the system; intelligent relay control and state feedback can reduce the need for manual inspections and reduce maintenance costs; the integration of wireless control capabilities can enable the system to maintain efficient operation in environments with difficult wiring, thereby improving the flexibility and reliability of the system; the design of the relay drive circuit can adapt to various complex environments, such as high temperature, low temperature, humidity, etc., to ensure stable operation under these conditions.

[0120] In order to facilitate understanding of the technical solution, this embodiment also provides a master-slave communication and testing process for the optical fiber communication relay device, such as Figure 3 As shown, the steps and logical judgments of the host and slave when conducting communication and operation tests are described in detail.

[0121] The specific process of the host part is as follows: the process of the host part starts from the "Start" node; the host performs initialization operations and displays the user interface; the host tries to establish a communication connection with the slave; checks whether it is successfully connected to the slave; if not online (No), continue to wait; if it is online (Yes), proceed to the next step; start the operation test; check whether the test circuit of the host is energized; obtain the energization status of the test circuit of the slave through communication; determine whether the master-slave circuit is energized; if energized (Yes), display the correspondence and energization status of the master-slave circuit; if not energized (No), communicate with the slave to test the correspondence of the circuit; display the results of the operation test; users can operate to clear the test results for the next test.

[0122] The specific process of the slave part is as follows: The process of the slave part starts from the "Start" node; the slave performs initialization operations and displays the user interface; the slave tries to establish a communication connection with the host; checks whether it is successfully connected to the host; if not connected (No), continue to wait; if it is connected (Yes), proceed to the next step. Start the operation test; check whether the test circuit of the slave is energized; obtain the energized status of the test circuit of the host through communication; determine whether the master and slave circuits are energized; if energized (Yes), display the corresponding relationship between the master and slave circuits and the energized status; if not energized (No), communicate with the host to test the corresponding relationship of the circuit; display the results of the operation test. The user can clear the test results for the next test.

[0123] In some embodiments, this embodiment further provides an optical fiber communication relay device, including the optical fiber communication relay device as described above. The optical fiber communication relay device of this embodiment adopts a modular design, and each component is connected through a standard interface. This design method facilitates the installation, debugging and maintenance of the device. At the same time, the housing of the device adopts a waterproof and dustproof design with a protection level not less than IP65 to adapt to various harsh environments.

[0124] In summary, this embodiment provides a fiber optic communication relay device and equipment, which includes a fiber optic transmission module, and a photoelectric conversion module and a wireless transmission module respectively connected to the fiber optic transmission module; wherein the photoelectric conversion module is used to convert the electrical signal of the distribution automation equipment into an optical signal; the fiber optic transmission module is used to transmit the converted optical signal to the wireless transmission module through an optical fiber; the wireless transmission module is used to convert the received optical signal back into an electrical signal, and transmit the electrical signal to the distribution automation system through wireless transmission.

[0125] Compared with the prior art, this embodiment adopts a light emitting diode (LED) or a laser diode (LD) as a light source, and controls the on and off of the light source in combination with a driving circuit to realize efficient conversion of electrical signals to optical signals; optical signals are transmitted using optical fibers, which have a longer transmission distance and stronger anti-interference ability than traditional wireless transmission, and are particularly suitable for environments with poor signal coverage such as basements; a wireless transmission module is set at the end of the optical fiber transmission to convert the optical signal back into an electrical signal and send it wirelessly, ensuring seamless connection with the distribution automation system; an integrated solar panel collects solar energy and converts it into electrical energy to provide a continuous energy supply for the device, reduce dependence on external power supplies, and reduce operation and maintenance costs; the device adopts a modular structure for easy installation, commissioning and maintenance, and the casing has IP65 waterproof and dustproof performance to adapt to harsh environments; due to the use of optical fibers, it is no longer limited to the installation position of the primary equipment, which improves the flexibility of wiring and the stability of communication; by reducing the amount of operation and maintenance work and avoiding complex wiring, the overall operation and maintenance cost is significantly reduced, while the power supply reliability is improved.

[0126] That is, the above description is only an embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present application, such as the mutual combination of technical features between the embodiments, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

[0127] In addition, for structural elements with the same or similar characteristics, the present application may use the same or different reference numerals for identification. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0128] In this application, the word "for example" is used to mean "used as an example, illustration or description". Any embodiment described as "for example" in this application is not necessarily interpreted as being more preferred or more advantageous than other embodiments. In order to enable any person skilled in the art to implement and use the present application, the present application provides the above description. In the above description, various details are listed for the purpose of explanation.

[0129] It should be understood that those skilled in the art will recognize that the present application can be implemented without using these specific details. In other embodiments, well-known structures and processes will not be elaborated in detail to avoid unnecessary details that make the description of the present application obscure. Therefore, the present application is not intended to be limited to the embodiments shown, but is consistent with the widest range of principles and features disclosed in the present application.

Claims

1. An optical fiber communication relay device, characterized in that: It includes an optical fiber transmission module, and a photoelectric conversion module and a wireless transmission module respectively connected to the optical fiber transmission module; The photoelectric conversion module is used to convert the electrical signal of the power distribution automation equipment into an optical signal; The optical fiber transmission module is used to transmit the optical signal obtained after conversion to the wireless transmission module through an optical fiber; The wireless transmission module is used to convert the received optical signal back into an electrical signal, and transmit the electrical signal to the power distribution automation system via wireless transmission.

2. The optical fiber communication relay device according to claim 1, characterized in that: The device also includes a main control circuit module, a power circuit module and a solar energy storage module; The main control circuit module is respectively connected to the photoelectric conversion module, the optical fiber transmission module, the wireless transmission module, the power circuit module and the solar energy storage module, and is used to control the operation of the optical fiber communication relay device; The power circuit module is used to supply power to the optical fiber communication relay device; The solar energy storage module is used to collect solar energy and convert it into electrical energy for storage.

3. The optical fiber communication relay device according to claim 1, characterized in that: The photoelectric conversion module includes a light source, a driving circuit and an optical interface; The light source comprises at least one light emitting diode or at least one laser diode; The driving circuit is used to control the on and off of the light source to convert the electrical signal into the optical signal; The optical interface is used to connect to the optical fiber transmission module.

4. The optical fiber communication relay device according to claim 1, characterized in that: The optical fiber transmission module includes an optical fiber and an optical fiber interface; The optical fiber is used to connect the photoelectric conversion module and the wireless transmission module, and transmit the optical signal converted by the photoelectric conversion module to the wireless transmission module; The optical fiber interface is used to provide an interface for connecting the photoelectric conversion module and the wireless transmission module.

5. The optical fiber communication relay device according to claim 1, characterized in that: The wireless transmission module includes a wireless transmission unit, an antenna unit and a serial port unit; The wireless transmission unit is used to convert the optical signal back into an electrical signal and send it to the power distribution automation system wirelessly; The antenna unit is used to send and receive wireless signals; The serial port unit is used to provide a data transmission interface with the main control circuit module.

6. The optical fiber communication relay device according to claim 2, characterized in that: The main control circuit module includes a single chip microcomputer, a download interface, an external crystal oscillator and a reset circuit; The single chip microcomputer is used to provide control logic for the optical fiber communication relay device; The download interface is used to download programs and update programs to the optical fiber communication relay device; The external crystal oscillator is used to provide a clock signal for the optical fiber communication relay device; The reset circuit is used to perform a reset operation on the optical fiber communication relay device.

7. The optical fiber communication relay device according to claim 2, characterized in that: The power circuit module includes a lithium battery charge and discharge management unit and a 3.3V power supply unit; The lithium battery charge and discharge management unit is used to manage the charge and discharge of the lithium battery; The 3.3V power supply unit is used to convert the 5V voltage into a 3.3V voltage to supply power to the optical fiber communication relay device.

8. The optical fiber communication relay device according to claim 2, characterized in that: The solar energy storage device includes a solar panel, an energy storage battery and a charge controller; The solar panel is used to collect solar energy; The energy storage battery is used to store the electrical energy obtained after solar energy conversion; The charging controller is used to control the charging and discharging process of the energy storage battery.

9. The optical fiber communication relay device according to claim 2, characterized in that: The device also includes a relay drive circuit module, which is connected to the main control circuit module and the relay in the power distribution automation system respectively, and the relay drive circuit module includes a serial-to-parallel chip and a drive chip; The serial-to-parallel chip is used to convert the control signal sent by the single-chip microcomputer; The driving chip is used to control the working state of the relay according to the converted control signal.

10. An optical fiber communication relay device, characterized in that: It comprises the optical fiber communication relay device as described in any one of claims 1 to 9.

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