CN113726369A - Low-voltage power line carrier communication channel monitoring method and system - Google Patents
Low-voltage power line carrier communication channel monitoring method and system Download PDFInfo
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Abstract
The invention discloses a method and a system for monitoring a low-voltage power line carrier communication channel, which comprises the steps of building a power system service channel state monitoring system based on an FPGA technology and an embedded technology; monitoring the operation index of a main communication channel in real time by using the power system service channel state monitoring system, finding a fault in real time and judging a fault range; and the obtained fault result is fed back to relevant departments for processing in real time, so that management personnel can know the network operation condition and the network health condition in real time. The invention can enable managers to know the network operation condition and the network health condition in real time, simultaneously solves the problem of monitoring and managing blind areas of the ports of the optical cable and the Optical Distribution Frame (ODF), realizes the real-time monitoring and management of the ports of the optical cable and the Optical Distribution Frame (ODF), and has obvious effects on reducing the power grid faults, reducing the fault loss and reducing the potential safety hazard of the power communication system.
Description
Technical Field
The invention relates to the technical field of low-voltage power line carrier communication channel monitoring, in particular to a low-voltage power line carrier communication channel monitoring method and system.
Background
With the application and popularization of communication networks, some related problems derive in the process of monitoring the state of a service channel of a power system, when a fault is found, the fault attribution needs to be judged according to the situation, the traditional mode is completed through a communication test instrument, the operation is complex, the time is consumed, and the fault cannot be processed quickly.
Dedicated channel monitoring devices such as a Path Trak performance monitoring system of Acerna corporation and a 9581SST return channel analyzer of Trilithic corporation for channel quality monitoring are expensive in instrument price and complex in use, and common network companies can only purchase a small amount of instruments to be used as fault diagnosis instruments and are basically not used in daily monitoring work of a large amount of return channels; and monitoring important channel quality indexes such as frequency spectrum, background noise, intrusion noise and the like of each return link by adopting a dynamic noise suppression (DIB) technology.
The cost-based abnormal attack online monitoring system acquires an abnormal intrusion chart by acquiring a network weakness judgment standard to realize online monitoring of the network abnormal intrusion, and the system has the advantage of convenient operation and is easily restricted by various conditions; the system can continuously collect a large amount of flow data, count the accumulative probability of the invasion actually generated, select the most vulnerable way, realize the online monitoring of the abnormal network invasion on the basis of the most vulnerable way, is simple to operate, but is difficult to obtain the specific change condition of the abnormal invasion in the actual operation process, and has insufficient online monitoring precision.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above-mentioned conventional problems.
Therefore, the technical problem solved by the invention is as follows: the problem that managers cannot know the network running condition and the network health condition in real time and monitor and manage blind areas of optical cables and optical distribution frame ports.
In order to solve the technical problems, the invention provides the following technical scheme: the method comprises the steps of building a service channel state monitoring system of the power system based on an FPGA technology and an embedded technology; monitoring the operation index of a main communication channel in real time by using the power system service channel state monitoring system, finding a fault in real time and judging a fault range; and the obtained fault result is fed back to relevant departments for processing in real time, so that management personnel can know the network operation condition and the network health condition in real time.
As a preferred scheme of the low voltage power line carrier communication channel monitoring method of the present invention, wherein: the operation indexes comprise error codes, alarms, flow, bandwidth and on-off states.
As a preferred scheme of the low voltage power line carrier communication channel monitoring method of the present invention, wherein: the power system service channel state monitoring system monitors network performance indexes for a long time; the network performance indexes comprise network flow, bandwidth utilization rate, frame rate, FCS error frames, ultra-short frames, ultra-long frames, collision frames, unicast frames, multicast frames and broadcast frames.
As a preferred scheme of the low voltage power line carrier communication channel monitoring method of the present invention, wherein: the power system service channel state monitoring system comprises VLAN, MPLS, GRE, PPPoE network environments, protocol encapsulation types, and identification comprehensive characteristic strings, protocol fingerprints and flow characteristics.
As a preferred scheme of the low voltage power line carrier communication channel monitoring method of the present invention, wherein: the system comprises a high-speed channel for providing an interface and a processing platform for signal transceiving, protocol analysis and clock synchronization; analyzing the control command and the frame structure by combining the FPGA, and capturing data; and the multi-protocol analysis engine is used for controlling the hardware FPGA protocol analysis module to complete real-time analysis, line speed capture and error code test of the bus.
As a preferred scheme of the low voltage power line carrier communication channel monitoring system of the present invention, wherein: the method comprises the following steps that design is carried out according to a standard 3U case, and each single board supports hot plugging; the system comprises 10 single boards, namely a back board, an alternating current power supply board, a direct current power supply board, a main control board, a fan board and 4 service boards, wherein the single boards are interconnected through the back board; the fan plate is arranged on the left side of the case; the two service boards are transversely inserted into the chassis; the main control board occupies a slot position on the right side; the power panel is a system power module and is made into a hot-pluggable form.
As a preferred scheme of the low voltage power line carrier communication channel monitoring system of the present invention, wherein: signals enter a system through a high-speed interface of the service board, and a corresponding test function is completed through an FPGA chip on the service board; the management software on the main control board completes the analysis of the test command and sends the corresponding operation instruction to the service board for testing; the service board is a main testing unit of signals, high-speed signals with different rates directly enter a transceiver interface of the FPGA, and the functions of receiving, analyzing and filtering the signals are completed in the FPGA.
As a preferred scheme of the low voltage power line carrier communication channel monitoring system of the present invention, wherein: the main control board realizes the control of the whole system, including the functions of responding and processing an operation command, issuing a control command, analyzing a protocol and receiving and sending a synchronous clock, an Ethernet interface is expanded through an Ethernet exchange chip and is used as a data channel of a business board, and SPI and I2C are used as control channels; the industrial control module selected by the main control board is a multi-core processing platform, the processing requirement of simultaneous testing of 16 channels can be met, and the main control board is also responsible for completing online upgrading work of the FPGA of the service board. The single board is also provided with a temperature detection chip which can monitor the temperature of the single board in real time.
As a preferred scheme of the low voltage power line carrier communication channel monitoring system of the present invention, wherein: the fan board mainly realizes the control function of the rotating speed of the fan, and the main control board adjusts the rotating speed of the fan in real time according to the temperature of the single board; the power panel is divided into a direct current power supply mode and an alternating current power supply mode, and the 1+1 backup design is adopted, so that the power failure of equipment can be avoided when one power panel fails.
The invention has the beneficial effects that: the invention can enable managers to know the network operation condition and the network health condition in real time, simultaneously solves the problem of monitoring and managing blind areas of the ports of the optical cable and the Optical Distribution Frame (ODF), realizes the real-time monitoring and management of the ports of the optical cable and the Optical Distribution Frame (ODF), and has obvious effects on reducing the power grid faults, reducing the fault loss and reducing the potential safety hazard of the power communication system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic diagram of an overall scheme of a low voltage power line carrier communication channel monitoring method and system according to an embodiment of the present invention;
fig. 2 is a schematic architecture diagram of a low voltage power line carrier communication channel monitoring method and system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a system function structure of a low voltage power line carrier communication channel monitoring method and system according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, specific embodiments accompanied with figures are described in detail below, and it is apparent that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
The present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially in general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Meanwhile, in the description of the present invention, it should be noted that the terms "upper, lower, inner and outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation and operate, and thus, cannot be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected and connected" in the present invention are to be understood broadly, unless otherwise explicitly specified or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a method for monitoring a low-voltage power line carrier communication channel, which specifically includes:
s1: and building a service channel state monitoring system of the power system based on the FPGA technology and the embedded technology.
S2: and monitoring the operation indexes of the main communication channels in real time by using a service channel state monitoring system of the power system, finding faults in real time and judging the fault range.
S3: and the obtained fault result is fed back to relevant departments for processing in real time, so that management personnel can know the network operation condition and the network health condition in real time.
Specifically, the present embodiment needs to be further described in detail as follows:
the operation indexes comprise error codes, alarms, flow, bandwidth and on-off states.
A power system service channel state monitoring system monitors network performance indexes for a long time;
network performance indicators include network traffic, bandwidth utilization, frame rate, FCS error frames, very short frames, very long frames, collision frames, unicast and multicast frames, and broadcast frames.
The power system service channel state monitoring system comprises VLAN, MPLS, GRE, PPPoE network environment and protocol encapsulation type, and identifies comprehensive characteristic word string, protocol fingerprint and flow characteristic.
Furthermore, a high-speed channel of an interface and a processing platform for signal transceiving, protocol analysis and clock synchronization are provided;
analyzing the control command and the frame structure by combining the FPGA, and capturing data;
and the multi-protocol analysis engine is used for controlling the hardware FPGA protocol analysis module to complete real-time analysis, line speed capture and error code test of the bus.
Preferably, the invention researches a set of power system service channel state monitoring system by using FPGA technology and embedded technology, monitors the operation indexes of error code, alarm, flow, bandwidth, on-off state and the like of a main communication channel in real time, finds out the fault at the first time, judges the fault range and timely and reliably informs related departments of processing the fault; the system can also monitor network performance indexes such as network flow, bandwidth utilization rate, frame rate, FCS error frames, ultra-short frames, ultra-long frames, conflict frames, unicast frames, multicast frames, broadcast frames and the like for a long time, and managers can know network operation conditions and network health conditions in real time.
Furthermore, the network environment and protocol encapsulation type such as VLAN, MPLS, GRE, PPPoE and the like are supported, comprehensive characteristic strings, protocol fingerprints, flow characteristics and the like can be identified, management personnel can track the flow direction and flow of specific data conveniently, and the network can be managed more effectively; the invention solves the problem of monitoring and managing blind areas of the ports of the optical cable and the Optical Distribution Frame (ODF), realizes the real-time monitoring and managing of the ports of the optical cable and the Optical Distribution Frame (ODF), and has obvious effects on reducing the faults of a power grid, reducing the fault loss and reducing the potential safety hazards of an electric power communication system.
Preferably, the invention has the advantages that the service channel state monitoring system of the power system can monitor, reinforce and test the performance of various channels, comprises a 2M line, an MSTP line and an IP line, realizes uninterrupted data flow between monitoring stations within 7 days and 24 hours, and provides reliable basis for the bandwidth distribution of the background network manager; meanwhile, the structural elements of the local area network, including resources such as a switch, a server, a host and the like, are managed in an all-around manner, and the real-time state is updated, so that the fault phenomena such as problems, conflicts and the like in the local area network can be discovered at any time.
Preferably, in order to better verify and explain the technical effects adopted in the method of the present invention, the present embodiment selects to perform a comparison test between the conventional channel monitoring method and the method of the present invention, and compares the test results by a scientific demonstration means to verify the actual effects of the method of the present invention.
The traditional channel monitoring method is used for monitoring through a wireless channel simulation device, managers cannot know network operation conditions and network health conditions in real time, monitoring management blind areas of optical cables and optical distribution frame ports cannot be solved, faults in a local area network are solved in a delayed mode, and inestimable loss is caused; in order to verify that the method of the present invention has higher real-time performance and higher fault area monitoring accuracy compared with the conventional method, the communication channel of the simulation platform is monitored and compared in real time by using the conventional method and the method of the present invention in this embodiment.
And (3) testing environment: inputting local area network parameters composed of multi-channel communication into a simulation platform to simulate operation and simulate partial channel fault scenes, monitoring and testing by using a wireless channel simulation device of the traditional method and obtaining a test result book. The results are shown in the following table:
table 1: and (5) simulating an output data record table.
Referring to table 1, it can be seen intuitively that the application of the channel monitoring method designed by the present invention to the improved channel monitoring system can greatly improve the real-time performance of information feedback, i.e. improve the monitoring efficiency.
Example 2
Referring to fig. 2 and 3, a second embodiment of the present invention, which is different from the first embodiment, provides a low voltage power line carrier communication channel monitoring system, specifically including:
designing according to a standard 3U case, wherein each single board supports hot plug;
the system comprises 10 single boards, namely a back board, an alternating current power supply board, a direct current power supply board, a main control board, a fan board and 4 service boards, wherein the single boards are interconnected through the back board;
the fan plate is arranged on the left side of the case;
two service boards are transversely inserted into the chassis;
the main control board occupies a slot position on the right side;
the power panel is a system power module and is made into a hot-pluggable form.
The signal enters the system through the high-speed interface of the service board, and the corresponding test function is completed through the FPGA chip on the service board;
the management software on the main control board completes the analysis of the test command and sends the corresponding operation instruction to the service board for testing;
the service board is a main testing unit of signals, high-speed signals with different rates directly enter a transceiver interface of the FPGA, and the functions of receiving, analyzing and filtering the signals are completed in the FPGA.
The main control board realizes the control of the whole system, and comprises:
the system has the functions of responding and processing an operation command, issuing a control command, analyzing a protocol and receiving and sending a synchronous clock, an Ethernet interface is expanded through an Ethernet exchange chip and is used as a data channel of a business board, and SPI and I2C are used as control channels;
the industrial control module selected by the main control board is a multi-core processing platform, the processing requirement of simultaneous testing of 16 channels can be met, and the main control board is also responsible for completing online upgrading work of the FPGA of the service board. The single board is also provided with a temperature detection chip which can monitor the temperature of the single board in real time.
The fan board mainly realizes the control function of the rotating speed of the fan, and the main control board adjusts the rotating speed of the fan in real time according to the temperature of the single board;
the power panel is divided into a direct current power supply mode and an alternating current power supply mode, and the 1+1 backup design is adopted, so that the power failure of equipment can be avoided when one power panel fails.
Referring to fig. 2, the system architecture is divided into two systems (security and security system, resource management and maintenance system) and 6 layers (hardware layer, software hardware layer, resource layer, system architecture mode layer, application layer, and presentation layer).
The safety guarantee system and the resource management system longitudinally penetrate through all layers from hardware to high-level software components, so that the information system is ensured to meet the standard, and the safety guarantee system is safe and reliable.
The hardware layer and the software hardware layer provide network communication and system service of the test instrument system, are the foundation stone for implementing the instrument function, manage and store data, can provide the function to the resource management layer by using the layer, and belong to a necessary infrastructure; the resource management layer is generally responsible for storing and managing various basic data, and finally provides corresponding data to the application layer through a series of processes of filtering, extracting, processing, converting and the like of the data by the system structure mode layer.
The system structure mode layer reduces the system coupling degree in a mode of packaging an API (application programming interface) interface on one hand, and provides convenient system services (ssh, ftp, iptable and the like) for the application layer on the other hand, so that the application layer can conveniently realize specific functions; the application layer is more concentrated in processing and management of service data in the communication field, and in order to better process the test service, the system comprises a universal task management subsystem besides a self service subsystem, so that the original service function is conveniently multiplexed when the comprehensive service is processed, and the other aim of designing the two subsystems is to conveniently expand the newly added service.
The presentation layer is also called a user access layer, and the main task is interaction with a user, and receives a relevant request of the user to the system, and presents the result of the application layer to the user.
Referring to fig. 3, a functional structure diagram of a tester system is shown, and the test system mainly includes 4 modules: system management, task management, parameter management, and result and state management.
And (3) system management: the main functions of the module are the export of test reports and the backup and recovery of system data; the test instrument system comprises a plurality of data, such as application configuration, system parameters, application program resources and the like, and the data backup and recovery can be carried out on the system data; the report export is to export the report file generated after the test data analysis to other storable mediums, so as to be convenient for printing and saving and viewing in a PC.
Task management: test tasks can be added, deleted and modified aiming at services; the task management core is a task manager, and the task manager is responsible for scheduling and maintaining a task list; tasks in task management can run independently, and the tasks can be started and stopped; each stage of task operation provides corresponding state of the user, so that the user can make a decision conveniently; before each task starts working, the user-specified parameters are firstly obtained, and a corresponding report is generated after the task is finished.
Parameter management: the test instrument system comprises service-related test parameters; the working parameters of the system and the physical interface parameters of different types; the parameter management aims at finishing parameter classification, parameter storage and parameter loading; the parameter management module provides a uniform access interface for the task management module to assist in completing a task specified by a user.
And (4) result management: the function of the system is similar to that of the parameter management module, a unified access interface is provided for the task management module, and the storage of task results is completed.
Preferably, the invention realizes real-time monitoring, eliminates the current monitoring management blind area and greatly improves the management level; the safe and stable operation of the communication network is effectively guaranteed, and the method has profound significance for the safe production of the power grid.
The intelligent power grid transformation system can be applied to optical cable management of an electric power system and can also be widely applied to various fields of operators, radio and television, traffic, public security, banks, military and the like which have optical network communication, the intelligent transformation work of the power grid is vigorously carried out in the state at present, and the communication system is the core of intelligent transformation and is bound to be used and managed before other systems; the operation and maintenance management energy efficiency of the communication system is improved, and the reliability and the intellectualization of the communication system are improved.
It should be recognized that embodiments of the present invention can be realized and implemented by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer-readable storage medium configured with the computer program, where the storage medium so configured causes a computer to operate in a specific and predefined manner, according to the methods and figures described in the detailed description. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Further, the operations of processes described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes described herein (or variations and/or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications) collectively executed on one or more processors, by hardware, or combinations thereof. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable interface, including but not limited to a personal computer, mini computer, mainframe, workstation, networked or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and the like. Aspects of the invention may be embodied in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, optically read and/or write storage medium, RAM, ROM, or the like, such that it may be read by a programmable computer, which when read by the storage medium or device, is operative to configure and operate the computer to perform the procedures described herein. Further, the machine-readable code, or portions thereof, may be transmitted over a wired or wireless network. The invention described herein includes these and other different types of non-transitory computer-readable storage media when such media include instructions or programs that implement the steps described above in conjunction with a microprocessor or other data processor. The invention also includes the computer itself when programmed according to the methods and techniques described herein. A computer program can be applied to input data to perform the functions described herein to transform the input data to generate output data that is stored to non-volatile memory. The output information may also be applied to one or more output devices, such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including particular visual depictions of physical and tangible objects produced on a display.
As used in this application, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being: a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of example, both an application running on a computing device and the computing device can be a component. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers. In addition, these components can execute from various computer readable media having various data structures thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from one component interacting with another component in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (9)
1. A low-voltage power line carrier communication channel monitoring method is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
building a service channel state monitoring system of the power system based on the FPGA technology and the embedded technology;
monitoring the operation index of a main communication channel in real time by using the power system service channel state monitoring system, finding a fault in real time and judging a fault range;
and the obtained fault result is fed back to relevant departments for processing in real time, so that management personnel can know the network operation condition and the network health condition in real time.
2. The low voltage power line carrier communication channel monitoring method of claim 1, wherein: the operation indexes comprise error codes, alarms, flow, bandwidth and on-off states.
3. The low voltage power line carrier communication channel monitoring method according to claim 1 or 2, wherein: the power system service channel state monitoring system monitors network performance indexes for a long time;
the network performance indexes comprise network flow, bandwidth utilization rate, frame rate, FCS error frames, ultra-short frames, ultra-long frames, collision frames, unicast frames, multicast frames and broadcast frames.
4. The low voltage power line carrier communication channel monitoring method of claim 3, wherein: the power system service channel state monitoring system comprises VLAN, MPLS, GRE, PPPoE network environments, protocol encapsulation types, and identification comprehensive characteristic strings, protocol fingerprints and flow characteristics.
5. The low voltage power line carrier communication channel monitoring method of claim 4, wherein: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
providing a high-speed channel of an interface and a processing platform for signal transceiving, protocol analysis and clock synchronization;
analyzing the control command and the frame structure by combining the FPGA, and capturing data;
and the multi-protocol analysis engine is used for controlling the hardware FPGA protocol analysis module to complete real-time analysis, line speed capture and error code test of the bus.
6. A low voltage power line carrier communication channel monitoring system is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
designing according to a standard 3U case, wherein each single board supports hot plug;
the system comprises 10 single boards, namely a back board, an alternating current power supply board, a direct current power supply board, a main control board, a fan board and 4 service boards, wherein the single boards are interconnected through the back board;
the fan plate is arranged on the left side of the case;
the two service boards are transversely inserted into the chassis;
the main control board occupies a slot position on the right side;
the power panel is a system power module and is made into a hot-pluggable form.
7. The low voltage power line carrier communication channel monitoring system of claim 6, wherein: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
signals enter the system through a high-speed interface of the service board, and a corresponding test function is completed through an FPGA chip on the service board;
the management software on the main control board completes the analysis of the test command and sends the corresponding operation instruction to the service board for testing;
the service board is a main testing unit of signals, high-speed signals with different rates directly enter a transceiver interface of the FPGA, and the functions of receiving, analyzing and filtering the signals are completed in the FPGA.
8. The low voltage power line carrier communication channel monitoring system of claim 7, wherein: the main control board realizes the control of the whole system, including,
the system has the functions of responding and processing an operation command, issuing a control command, analyzing a protocol and receiving and sending a synchronous clock, an Ethernet interface is expanded through an Ethernet exchange chip and is used as a data channel of a business board, and SPI and I2C are used as control channels;
the industrial control module selected by the main control board is a multi-core processing platform, the processing requirement of simultaneous testing of 16 channels can be met, and the main control board is also responsible for completing online upgrading work of the FPGA of the service board. The single board is also provided with a temperature detection chip which can monitor the temperature of the single board in real time.
9. The low voltage power line carrier communication channel monitoring system of claim 8, wherein: also comprises the following steps of (1) preparing,
the fan board mainly realizes the control function of the rotating speed of the fan, and the main control board adjusts the rotating speed of the fan in real time according to the temperature of the single board;
the power panel is divided into a direct current power supply mode and an alternating current power supply mode, and the 1+1 backup design is adopted, so that the power failure of equipment can be avoided when one power panel fails.
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