Remote sensing satellite receiving antenna fault diagnosis and health management device

Abstract

The utility model provides a remote sensing satellite receiving antenna fault diagnosis and health management device, and belongs to the technical field of equipment fault diagnosis and health management. The system is mainly composed of an antenna health sensor group, a working condition monitoring device, an antenna control device, a front-end data acquisition device, a serial port server, an Ethernet switch, an antenna health management platform and the like. According to the utility model, health management sensor data are comprehensively utilized, real-time monitoring and evaluation of operation states of key components of the antenna system are realized locally and remotely through the fusion terminal of multiple sensors, and rapid and accurate positioning and elimination of antenna faults are realized for various acquired working parameters of the antenna system. The complex action of troubleshooting one by one is reduced, the troubleshooting efficiency of operators is improved, the troubleshooting time is shortened, the antenna is upgraded from post maintenance or regular maintenance to on-condition maintenance, and possible problems and faults of the system can be found in time.

Description

Technical Field

[0001] The utility model belongs to the technical field of equipment fault diagnosis and health management, and discloses a remote sensing satellite receiving antenna fault diagnosis and health management device. Background Art

[0002] With the continuous improvement of the performance of modern remote sensing satellite data receiving systems, the continuous improvement of system integration, complexity and intelligence, various new electronic information technologies and intelligent control technologies have been widely used. The antenna system, as a key front-end equipment of modern remote sensing satellite data receiving systems, is a typical electromechanical integrated system. The complexity of antenna design and structure is increasing, its functions are becoming more and more perfect, and the degree of automation and intelligence is getting higher and higher. The problems exposed by antenna equipment in terms of reliability, maintainability, fault prediction, fault diagnosis and maintenance guarantee are becoming increasingly prominent.

[0003] Since the maintenance of antenna equipment in modern remote sensing satellite data receiving systems involves many professions, complex equipment structure, a wide range of maintenance professions, and high maintenance technical requirements, traditional antenna system fault diagnosis and maintenance assurance mostly rely on the professional and technical level of user maintenance personnel, using manual or combined with instrument detection and other technical means. These technical means are difficult to repair antenna faults, have low diagnostic efficiency, long diagnostic time, low accuracy, and low degree of automation. They are gradually unable to adapt to the new equipment development requirements of "unattended and automated operation" for modern remote sensing satellite data receiving systems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to avoid the deficiencies in the above-mentioned background technology, and specifically propose an efficient, accurate and intelligent remote sensing satellite data receiving antenna fault prediction and health management device that meets the system's "unattended and automated operation".

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A remote sensing satellite receiving antenna fault diagnosis and health management device, comprising an antenna health sensor group, a working condition monitoring device, an antenna control device, a front-end data acquisition device, a serial port server, an Ethernet switch and an antenna health management platform;

[0007] The antenna health sensor group, the front-end data acquisition device, the serial port server, the Ethernet switch and the antenna health management platform are connected in sequence, wherein the antenna health sensor group and the front-end data acquisition device are placed in the antenna mount;

[0008] The working condition monitoring device includes an environmental parameter monitoring device, a video monitoring device, a video storage device and a power supply monitoring device; the output end of the power supply monitoring device is connected to the second input port of the serial port server through the front-end data acquisition device; the output end of the environmental parameter monitoring device is connected to the third input port of the serial port server; the output end of the video monitoring device is connected to the second input port of the Ethernet switch through the video storage device;

[0009] The output end of the antenna control device is connected to the third input port of the Ethernet switch.

[0010] Furthermore, the antenna health sensor group includes a vibration sensor for detecting the vibration of the reducer and the bearing, a temperature sensor for monitoring the motor temperature, a noise sensor, an armature voltage sensor for monitoring the motor armature drive voltage, an armature current sensor for monitoring the motor armature drive current, a speed sensor, a temperature and humidity sensor for detecting the ambient temperature and humidity of the monitoring center body, a water immersion sensor for monitoring whether water has entered the antenna center body, azimuth cabin, pitch cabin and tilt cabin, and a tilt sensor for monitoring tower base settlement.

[0011] Compared with the background technology, the utility model has the following advantages:

[0012] The utility model builds an online health monitoring and management system for the key components of the antenna and the whole machine; it can realize the rapid and accurate positioning and elimination of antenna faults, reduce the tedious actions of troubleshooting one by one, improve the efficiency of operators in troubleshooting, and shorten the time for troubleshooting; it can timely grasp the early signs of abnormal equipment operation status or failure, so as to take corresponding measures to eliminate the failure in the bud, avoid or reduce the occurrence of major accidents, and also greatly improve the diagnostic efficiency, diagnostic accuracy and automation level of remote sensing satellite data receiving antennas; it can grasp the changes in the equipment operation status, the degree of degradation of the performance of each part and the development trend of mechanical properties at any time, have a clear understanding of the changes in equipment status, and improve the level of modernization of equipment management. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the principle of the remote sensing satellite data receiving antenna fault prediction and health management device of the utility model.

[0014] Figure 2 This is a schematic diagram of the antenna health sensor group principle of the utility model.

[0015] Figure 3 This is a schematic diagram of the main functional components of the health management platform of the utility model. DETAILED DESCRIPTION

[0016] The following is combined with Figure 1-3The specific implementation methods of the utility model are further described in detail with examples.

[0017] The utility model provides a remote sensing satellite data receiving antenna fault prediction and health management device, which is applied to a low-orbit remote sensing satellite data receiving system. The remote sensing satellite data receiving antenna fault prediction and health management device is mainly composed of an antenna health sensor group, a working condition monitoring device, an antenna control device, a front-end data acquisition device, a serial port server, an Ethernet switch and an antenna health management platform, etc. The antenna health sensor group, the front-end data acquisition device, the serial port server, the Ethernet switch and the antenna health management platform are connected in sequence, and the antenna health sensor group and the front-end data acquisition device are placed in an antenna mount.

[0018] The working condition monitoring device is connected to the Ethernet switch. The antenna control device mainly utilizes the control device of the existing antenna system to realize the interaction between the antenna operation status information and the health management platform. The front-end data acquisition device forms complete antenna system status information through data collection of the azimuth, pitch and tilt sensor group. The antenna health management platform mainly completes the collection, monitoring, processing and analysis of the antenna system equipment status, working parameters and antenna health parameters, and realizes automatic fault alarm, positioning and diagnosis, system health assessment and health prediction, system log management and other functions.

[0019] The antenna health sensor group is mainly composed of a vibration sensor, a temperature sensor, a noise sensor, an armature voltage sensor, an armature current sensor, a speed sensor, a temperature and humidity sensor, a water immersion sensor, a tilt sensor, etc.

[0020] The working condition monitoring equipment is mainly composed of environmental parameter monitoring equipment, video monitoring equipment, video storage equipment, power supply monitoring equipment and the like.

[0021] The remote sensing satellite data receiving antenna fault prediction and health management device can work independently, and its addition does not affect the normal operation of other equipment in the antenna system.

[0022] The following is a more specific embodiment:

[0023] Depend on Figure 1As shown, the novel remote sensing satellite data receiving antenna fault prediction and health management device provided by the utility model is applied to the low-orbit remote sensing satellite data receiving system, and is characterized in that the remote sensing satellite data receiving antenna fault prediction and health management device is mainly composed of an antenna health sensor group, a working condition monitoring device, an antenna control device, a front-end data acquisition device, a serial port server, an Ethernet switch, and an antenna health management platform, etc. The antenna health sensor group, the front-end data acquisition device, the serial port server, the Ethernet switch, and the antenna health management platform are connected in sequence, the antenna health sensor group and the front-end data acquisition device are placed in the antenna mount, the working condition monitoring device is connected to the Ethernet switch, and the antenna control device mainly utilizes the control device of the existing antenna system to realize the interaction between the antenna operation status information and the health management platform;

[0024] The working condition monitoring equipment mainly includes power supply monitoring equipment, environmental parameter monitoring equipment, video monitoring equipment and video storage equipment;

[0025] The front-end data acquisition device forms complete antenna system status information by acquiring data from the azimuth, pitch and tilt sensor groups.

[0026] Depend on Figure 2 As shown, the antenna health sensor group of the utility model is mainly composed of a vibration sensor, a temperature sensor, a noise sensor, an armature voltage sensor, an armature current sensor, a speed sensor, a temperature and humidity sensor, a water immersion sensor, a tilt sensor, etc.; the vibration sensor is mainly used to monitor the vibration signals of the reducer and the bearing, the temperature sensor is mainly used to monitor the temperature signal of the motor, the armature voltage sensor is mainly used to monitor the armature drive voltage of the motor, the armature current sensor is mainly used to monitor the armature drive current of the motor, the speed sensor is mainly used to monitor the speed feedback voltage of the motor, the temperature and humidity sensor is mainly used to monitor the ambient temperature and humidity of the center body, the water immersion sensor is mainly used to monitor whether water has entered the center body, the azimuth cabin, the pitch cabin and the tilt cabin of the antenna, the tilt sensor is mainly used to monitor the settlement of the tower base, and the serial port server is used to convert the serial port sensor into a network interface.

[0027] Depend on Figure 3 As shown, the antenna health management platform mainly completes the collection, monitoring and data processing and analysis of the antenna system equipment status, working parameters and antenna health parameters through external interfaces, realizes antenna equipment status monitoring, health assessment, fault prediction and historical data analysis, etc., and provides users with maintenance auxiliary decision-making functions; it can communicate with the upper-level system through the upper-level operation and maintenance interface to complete the aggregation and reporting of antenna equipment health management information, and realize remote antenna fault diagnosis and health management.

[0028] The remote sensing satellite data receiving antenna fault prediction and health management device is a relatively independent system, which mainly utilizes the collected equipment health status data and knowledge base information to realize equipment health status assessment, fault detection, health status prediction and mission capability assessment; it adopts artificial intelligence engine, inference engine, etc. to realize automatic diagnosis and positioning of equipment faults; it has a consultation function, and can conduct remote consultation with remote experts through the network to conduct fault detection, positioning and technical exchanges.

[0029] The remote sensing satellite data receiving antenna fault prediction and health management device can work independently, and its addition does not affect the normal operation of other equipment in the antenna system.

[0030] Working principle of remote sensing satellite receiving antenna fault diagnosis and health management device:

[0031] The utility model comprehensively utilizes health management sensor data, realizes local and remote real-time monitoring and evaluation of the operating status of key components of the antenna system through a multi-sensor fusion terminal, and simultaneously obtains various working parameters of the antenna system by using a fault tree to realize local or remote rapid fault diagnosis and isolation diagnosis, realizes antenna equipment health assessment and antenna equipment status prediction based on grey theory through hierarchical analysis, realizes rapid and accurate positioning and elimination of antenna faults, reduces the tedious actions of troubleshooting one by one, improves the troubleshooting efficiency of operators, shortens the troubleshooting time, upgrades the original post-maintenance or regular maintenance of the antenna to condition-based maintenance, promptly discovers possible problems and faults in the system, and greatly improves the diagnostic efficiency, diagnostic accuracy, and automation level of the remote sensing satellite data receiving antenna.

[0032] From the above description, it can be seen that

[0033] (1) The utility model builds an online health monitoring and management system for the key components of the antenna and the entire machine.

[0034] (2) The utility model can realize the rapid and accurate positioning and elimination of antenna faults, reduce the tedious actions of troubleshooting one by one, improve the efficiency of operators in troubleshooting, and shorten the time for troubleshooting.

[0035] (3) The utility model can timely grasp the early signs of abnormal operation status or failure of equipment, so as to take corresponding measures to eliminate the failure in the bud, avoid or reduce the occurrence of major accidents, and greatly improve the diagnostic efficiency, diagnostic accuracy and automation level of remote sensing satellite data receiving antennas.

[0036] (4) The utility model can grasp the changes in the operating status of the equipment, the degree of degradation of the performance of each part and the development trend of the mechanical performance at any time, so as to have a clear understanding of the changes in the equipment status and improve the modernization level of equipment management.

[0037] The above description is only the best specific implementation mode of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model.

[0038] The contents not described in detail in the utility model specification belong to the common knowledge of professionals in this field.

Claims

1. A remote sensing satellite receiving antenna fault diagnosis and health management device, characterized in that: It includes antenna health sensor group, working condition monitoring equipment, antenna control equipment, front-end data acquisition equipment, serial port server, Ethernet switch and antenna health management platform; The antenna health sensor group, the front-end data acquisition device, the serial port server, the Ethernet switch and the antenna health management platform are connected in sequence, wherein the antenna health sensor group and the front-end data acquisition device are placed in the antenna mount; The working condition monitoring device includes an environmental parameter monitoring device, a video monitoring device, a video storage device and a power supply monitoring device; the output end of the power supply monitoring device is connected to the second input port of the serial port server through the front-end data acquisition device; the output end of the environmental parameter monitoring device is connected to the third input port of the serial port server; the output end of the video monitoring device is connected to the second input port of the Ethernet switch through the video storage device; The output end of the antenna control device is connected to the third input port of the Ethernet switch.

2. A remote sensing satellite receiving antenna fault diagnosis and health management device according to claim 1, characterized in that: The antenna health sensor group includes a vibration sensor for detecting the vibration of the reducer and the bearing, a temperature sensor for monitoring the motor temperature, a noise sensor, an armature voltage sensor for monitoring the motor armature drive voltage, an armature current sensor for monitoring the motor armature drive current, a speed sensor, a temperature and humidity sensor for detecting the ambient temperature and humidity of the monitoring center body, a water immersion sensor for monitoring whether water has entered the antenna center body, azimuth cabin, pitch cabin and tilt cabin, and a tilt sensor for monitoring tower base settlement.

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