CN114740307A - Flexible contact net state monitoring system - Google Patents

Flexible contact net state monitoring system Download PDF

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Publication number
CN114740307A
CN114740307A CN202210413719.2A CN202210413719A CN114740307A CN 114740307 A CN114740307 A CN 114740307A CN 202210413719 A CN202210413719 A CN 202210413719A CN 114740307 A CN114740307 A CN 114740307A
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China
Prior art keywords
module
power supply
characteristic
monitoring
information
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Pending
Application number
CN202210413719.2A
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Chinese (zh)
Inventor
代文平
唐辉
李军
廖睿
李煜伟
杜青全
王所
宋务华
唐良兵
肖琨
唐伟
贺毅
杨佳
刘涛
陈科
钟源
王志强
阙明
高保
吕小龙
兰培强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Guiyang Railway Co ltd
Sichuan Aiderui Electrical Co ltd
China Railway Chengdu Group Co Ltd
Original Assignee
Chengdu Guiyang Railway Co ltd
Sichuan Aiderui Electrical Co ltd
China Railway Chengdu Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Chengdu Guiyang Railway Co ltd, Sichuan Aiderui Electrical Co ltd, China Railway Chengdu Group Co Ltd filed Critical Chengdu Guiyang Railway Co ltd
Priority to CN202210413719.2A priority Critical patent/CN114740307A/en
Publication of CN114740307A publication Critical patent/CN114740307A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08Locating faults in cables, transmission lines, or networks
    • G01R31/081Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/085Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector

Abstract

A flexible contact network state monitoring system comprises a multi-characteristic-quantity local monitoring subsystem and a remote centralized control terminal, wherein the multi-characteristic-quantity local monitoring subsystem is provided with a plurality of identical sets; each multi-characteristic-quantity local monitoring subsystem comprises a parameter sensing module, an intelligent control module, a communication module, a power management power supply module and a self-checking module which are electrically connected, and the multi-characteristic-quantity local monitoring subsystems are respectively arranged at a compensation device of a lower anchor of the overhead line system. The invention has the advantages of convenient installation, flexible networking, convenient expansion, more accurate monitoring result and the like, can accurately discover the hidden danger and the fault of the contact network after installation, reminds maintainers of repairing in time, adopts a method of multi-power redundant power supply, monitoring information sharing of the same anchor section and multi-parameter comprehensive evaluation, improves the reliability of the monitoring system and the accuracy of the monitoring result, simultaneously, does not need to manually check the contact network state one by the anchor section, realizes the contact network state maintenance, reduces the labor cost and improves the checking efficiency.

Description

Flexible contact net state monitoring system
Technical Field
The invention relates to the field of traction power supply equipment, in particular to a flexible contact net state monitoring system.
Background
The compensator for contact net of electrified railway is a general name of compensator for automatically regulating tension of contact net and carrier cable and its brake equipment. When the temperature changes, the clue expands with heat and contracts with cold under the influence of the temperature change, and then extends or shortens. Because the compensators are arranged at the anchoring positions of the cables at the two ends of the anchor section, the tension of the cables can be automatically adjusted and the cable sag can be kept to meet the technical requirements under the action of the gravity of the falling weight string, so that the stability and elasticity of the contact suspension are improved, and the operation quality of the contact network is improved.
At present, for an electrified railway contact network, a railway line adopts a regular manual inspection mode and a regular special operation vehicle inspection mode to monitor the operation state of the contact network, so that the problems of high monitoring cost, high working strength, complex monitoring process, influence of personal quality of maintainers on monitoring quality and the like are caused, the regular monitoring mode cannot know the state of the contact network in real time, the hidden trouble of the contact network is predicted in advance, and the risk of influencing the safety operation of the electrified railway exists. In order to solve the problems, an automatic monitoring system and a monitoring method for the state of a contact net are also provided at present, an acceleration or distance sensor monitoring terminal is arranged at a weight string, so that whether the contact net system of each anchor section has faults or not can be automatically monitored, the problems existing in manual inspection are solved, but the existing automatic monitoring system has single parameters and a single power supply, if a B value is detected through a laser or ultrasonic sensor, whether the contact net system falls or not is monitored through an acceleration sensor, the power supply adopts a battery for power supply and the like, whether the faults exist or not can not be distinguished under the condition that the single sensor fails or the battery has faults, and further the abnormal hidden danger existing in the contact net can not be detected. Based on the above, at present of informatization and intelligent high-speed development, a monitoring system for comprehensively judging and analyzing the state of the overhead line system by multiple characteristic quantities is provided, the safety of power supply of a power supply is improved, the state of the overhead line system can be timely, accurately, reliably and automatically monitored, and the improvement of the reliability and the safety of a traction power supply system has great significance.
Disclosure of Invention
In order to overcome the defects of the prior electrified railway contact network performance monitoring equipment caused by structure limitation, the invention provides a method for accurately finding the hidden danger and the fault of the contact network and reminding a maintainer to repair in time by monitoring the multi-characteristic quantity information of the contact network and decoupling the interrelation of the characteristic quantities under the combined action of the related mechanisms; and by adopting a multi-power supply redundant power supply, monitoring information sharing of the same anchor section and a multi-parameter comprehensive evaluation method, the reliability of the monitoring system and the accuracy of a monitoring result are improved, the state maintenance of the contact network is realized, the labor cost is reduced, and the inspection efficiency is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a flexible contact network state monitoring system is characterized by comprising a multi-characteristic local monitoring subsystem and a remote centralized control terminal, wherein the multi-characteristic local monitoring subsystem is provided with a plurality of identical sets; each set of multi-characteristic-quantity local monitoring subsystem comprises a parameter sensing module, an intelligent control module, a communication module, a power management and power supply module and a self-checking module which are electrically connected, and the multi-characteristic-quantity local monitoring subsystems are respectively arranged at a compensation device of a contact net lower anchor; the parameter sensing module comprises a tension detection and signal conditioning circuit A, an acceleration detection and signal conditioning circuit B, a vibration detection and signal conditioning circuit C, a microclimate detection and signal conditioning circuit D and a distance detection and signal conditioning circuit E which are electrically connected; the self-checking module comprises a parameter sensing module self-checking unit, a power management and power supply module self-checking unit, a communication module self-checking unit and an intelligent control module self-checking unit; the power management power supply module comprises a solar power supply submodule, a wind power supply submodule, a battery power supply submodule and a power management submodule; the power supply management submodule is provided with a plurality of power supply input ends which are respectively and electrically connected with the solar power supply submodule and the wind power supply submodule, stores energy in a super capacitor and a lithium battery of the battery power supply module, and simultaneously completes power supply distribution with the parameter sensing submodule, the intelligent control submodule, the communication submodule and the self-checking submodule; the intelligent control module finishes the collection and processing of all parameters of the parameter sensing module, sends information to the remote centralized control terminal through the communication module, and simultaneously receives and analyzes data sent by a local monitoring subsystem at the other end of the same anchor segment to carry out comprehensive evaluation on state information; the remote centralized control terminal is deployed in a dispatching room of a power supply section or a work area, and a centralized control background in the dispatching room is provided with industrial-grade and special centralized control software; the multiple sets of multi-characteristic-quantity local monitoring subsystems are communicated with a remote centralized control terminal in a wired and wireless communication mode, so that sharing and visual monitoring of multi-characteristic-quantity monitoring information of each anchor section of the contact network are realized; the multiple sets of multi-characteristic-quantity local monitoring subsystems and the remote centralized control terminal can upload data to the cloud end through a 4G/5G network, and maintainers can know the data of the multi-characteristic-quantity local monitoring subsystems in real time through terminal equipment such as mobile phones and the like and conduct system management.
Furthermore, the multi-characteristic-quantity local monitoring subsystem can perform information interaction between two sets of the same anchor section in a wired and wireless mode, the running condition of the contact net is comprehensively evaluated through real-time information of two ends of the same anchor section, and the evaluation result is more accurate and reliable.
Further, in the application of the power management and supply module, the solar module, the wind energy module and the battery module are subjected to power management in real time, the solar energy and the wind energy are preferentially adopted for supplying power, and redundant electric energy is transmitted to the storage battery and the super capacitor for storage; when the output voltage of the solar power supply module and the wind power supply module is too low, the super capacitor is preferentially adopted for power supply, and then the storage battery is adopted for power supply.
Furthermore, a self-checking module of the multi-characteristic-quantity local monitoring subsystem carries out self-checking on the parameter sensing module, the intelligent control module, the communication module and the power management power supply module under the control of the intelligent control module, returns alarm information to the abnormal module, and controls the communication module to send the abnormal information to the remote centralized control terminal by the intelligent control module;
furthermore, the intelligent control module collects the acquired tension, acceleration, vibration, microclimate and distance information of the parameter sensing module, compensates and decouples the parameters, realizes comprehensive judgment of the running state of the overhead line system by multiple parameters, and solves the problems that single parameter information evaluation is not comprehensive and a single sensor cannot monitor when being damaged.
Furthermore, microclimate of the multi-characteristic-quantity local monitoring subsystem comprises temperature, humidity, wind speed, wind direction, rainfall and snow information, and the temperature, humidity, wind speed and wind direction are used for compensation of the intelligent control module on tension, acceleration, vibration and distance information; snow is used for reminding maintainers that the contact net may be frozen and the contact net needs to be deiced.
Furthermore, the multi-characteristic-quantity local monitoring subsystem can upload monitoring information to the cloud end through a 4G/5G network through a remote centralized control background, so that sharing and management of big data are realized, and maintenance workers can perform system management such as task assignment and fault processing recording in real time through terminal equipment such as a mobile phone.
Furthermore, the remote centralized control terminal sets a data collection period, the intelligent control module uploads information after completing data collection, and after the information uploading is completed, the local monitoring module is in a dormant state.
The invention has the beneficial effects that: the invention has the advantages of convenient installation, flexible networking, convenient expansion, more accurate monitoring result and the like, accurately discovers the hidden danger and the fault of the contact network by monitoring the multi-characteristic quantity information of the contact network state after the installation and decoupling the interrelation among the characteristic quantities, and reminds the maintainer of repairing in time; and the solar energy, the wind energy, the battery and the super capacitor energy storage multi-power supply redundant power supply and the monitoring information sharing comprehensive evaluation of the same anchor section are adopted, so that the reliability of the monitoring system and the accuracy of the monitoring result are further improved, and the defects that whether faults exist or not cannot be distinguished and further abnormal hidden dangers of the contact net cannot be detected under the condition that a single sensor fails or the battery fails in the conventional single parameter and single power supply are overcome. Based on the above, the invention has good market prospect.
Description of the drawings:
the invention is further illustrated below with reference to the figures and examples.
FIG. 1 is a system architecture diagram of the present invention.
Detailed Description
As shown in fig. 1, a flexible contact network state monitoring system includes a multi-characteristic local monitoring subsystem and a remote centralized control terminal, where the multi-characteristic local monitoring subsystem has multiple identical sets; each set of multi-characteristic-quantity local monitoring subsystem comprises a parameter sensing module, an intelligent control module, a communication module, a power management and power supply module and a self-checking module which are electrically connected, and the multi-characteristic-quantity local monitoring subsystems are respectively arranged at a compensation device of a contact net lower anchor; the parameter sensing module comprises a tension detection and signal conditioning circuit A, an acceleration detection and signal conditioning circuit B, a vibration detection and signal conditioning circuit C, a microclimate detection and signal conditioning circuit D and a distance detection and signal conditioning circuit E which are electrically connected; the self-checking module comprises a parameter sensing module self-checking unit, a power management and power supply module self-checking unit, a communication module self-checking unit and an intelligent control module self-checking unit; the power management and power supply module comprises a solar power supply submodule, a wind power supply submodule, a battery power supply submodule and a power management submodule; the power supply management submodule is provided with a plurality of power supply input ends which are respectively connected with the solar power supply submodule and the wind power supply submodule, stores energy in a super capacitor and a lithium battery of the battery power supply submodule, and simultaneously completes power supply distribution with the parameter sensing module, the intelligent control module, the communication module and the self-checking module. The intelligent control module finishes the collection and processing of all parameters of the parameter sensing module, sends information to the remote centralized control terminal through the communication module, and meanwhile receives and analyzes the data sent by the local multi-characteristic-quantity local monitoring subsystem at the other end of the same anchor section to comprehensively evaluate state information. The remote centralized control terminal is deployed in a dispatching room of a power supply section or a work area, and industrial-grade and special centralized control software is installed in a centralized control background in the dispatching room. And each multi-characteristic-quantity local monitoring subsystem is communicated with a remote centralized control terminal in a wired or wireless communication mode, so that sharing and visual monitoring of multi-characteristic-quantity monitoring information of each anchor section of the contact network are realized. Each multi-characteristic local monitoring subsystem and the remote centralized control background can upload data to the cloud through a 4G/5G network, and maintainers can know the data of each multi-characteristic local monitoring subsystem in real time through terminal equipment such as a mobile phone and the like and carry out system management.
As shown in fig. 1, when the multi-characteristic-quantity local monitoring subsystem works, information interaction between two sets of multi-characteristic-quantity local monitoring subsystems of the same anchor segment can be performed through wire or wireless, when the local multi-characteristic-quantity local monitoring subsystem A of the same anchor segment monitors that the data is abnormal, the data is actively sent to the opposite side multi-characteristic-quantity local monitoring subsystem B and the remote centralized control background of the same anchor segment, when the multi-feature local monitoring subsystem B receives information from the multi-feature local monitoring subsystem a, the multi-characteristic quantity local monitoring subsystem B starts the tension, acceleration, vibration and distance information monitoring of the corresponding detection equipment at the side, combines the real-time information of the multi-characteristic quantity local monitoring subsystem A at the same anchor section to comprehensively evaluate the running condition of the contact network at the anchor section, the evaluation result is more accurate and reliable, and the evaluated information is uploaded to the remote centralized control background.
As shown in fig. 1, when the power management and power supply module works, power management is performed on the solar submodule, the wind energy submodule and the battery submodule in real time, when the power quality of solar energy or wind energy is detected to be good, the power management and power supply module controls solar energy or wind energy to supply power to the parameter sensing module, the intelligent control module and the communication module, and meanwhile, redundant electric energy is transmitted to the storage battery and the super capacitor for storage; when poor quality of solar energy or wind energy electric energy is detected, the power management power supply module controls the super capacitor to supply power to the parameter sensing module, the intelligent control module and the communication module; when the poor electric energy quality of the super capacitor is detected, the power management power supply module controls the storage battery to supply power to the parameter sensing module, the intelligent control module and the communication module, and the multi-power scheme ensures the reliability of power supply in terms of the power scheme.
As shown in fig. 1, during self-checking of the module, the parameter sensing module, the intelligent control module, the communication module, the power management module and the power supply module are self-checked under the control of the intelligent control module, and an alarm message is returned to the abnormal module, so that the intelligent control module controls the communication module to send the abnormal message to the remote centralized control terminal. The intelligent control module during operation collects tension, acceleration, vibration, microclimate, the distance information of parameter response module, through compensating and the decoupling zero to the parameter, realizes that the multi-parameter is synthesized and is judged contact net running state, solves the problem that single parameter information aassessment is incomplete or single sensor can't monitor when damaging.
As shown in fig. 1, the state of the contact network can be detected by using sensors in an xyz triaxial direction for acceleration and vibration, when a detection value of one sensor on the same side of the same anchor section is out of limit, whether the out-of-limit information measured at the moment is effective can be confirmed by monitoring results of other sensors, and if the acceleration is out of limit in a Z axial direction perpendicular to the ground and the monitoring result of tension, vibration or distance data is also out of limit, the out-of-limit information at the moment is effective, the contact network is abnormal, and early warning information is sent; and otherwise, the acceleration out-of-limit at the moment is invalid data, and the monitoring result of the tension or vibration or distance data is used as the real state information of the overhead line system.
As shown in fig. 1, when the microclimate function of the multi-characteristic-quantity local monitoring subsystem works, sensing temperature, humidity, wind speed, wind direction, rainfall and snow information, wherein the temperature, humidity, wind speed and wind direction are used for compensating tension, acceleration, vibration and distance information by the intelligent control module; snow is used for reminding maintainers that the contact net may be frozen and the contact net needs to be deiced. The multi-characteristic-quantity local monitoring subsystem can upload monitoring information to the cloud end through a 4G/5G network through the remote centralized control background, large data sharing and management are achieved, and maintenance workers can conduct system management such as task assignment and fault processing recording in real time through terminal devices such as mobile phones. The remote centralized control background is used for setting a data collection period, the intelligent control module uploads information after completing data collection, and the local monitoring module is in a dormant state after the information is uploaded. When the tension, acceleration, vibration, microclimate and distance detection module detects data mutation, the intelligent control module is awakened to carry out data collection and evaluation, and then the data are uploaded to a remote centralized control background or sent to a multi-characteristic-quantity local monitoring subsystem at the other end of the same anchor section to carry out data comprehensive evaluation.
As shown in fig. 1, the invention has the advantages of convenient installation, flexible networking, convenient expansion, more accurate monitoring result and the like, and through the action of all the mechanisms, the hidden danger and the fault of the contact network can be accurately found through monitoring the multi-characteristic quantity information of the contact network after installation and decoupling the interrelation among the characteristic quantities, and the maintainer can be reminded to repair the contact network in time; and the solar energy, the wind energy, the battery and the super capacitor energy storage multi-power supply redundant power supply and the monitoring information sharing comprehensive evaluation of the same anchor section are adopted, so that the reliability of the monitoring system and the accuracy of the monitoring result are further improved, and the defects that whether faults exist or not cannot be distinguished and further abnormal hidden dangers of the contact net cannot be detected under the condition that a single sensor fails or the battery fails in the conventional single parameter and single power supply are overcome.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims (8)

1. A flexible contact network state monitoring system is characterized by comprising a multi-characteristic local monitoring subsystem and a remote centralized control terminal, wherein the multi-characteristic local monitoring subsystem is provided with a plurality of identical sets; each set of multi-characteristic-quantity local monitoring subsystem comprises a parameter sensing module, an intelligent control module, a communication module, a power management and power supply module and a self-checking module which are electrically connected, and the multi-characteristic-quantity local monitoring subsystems are respectively arranged at a compensation device of a contact net lower anchor; the parameter sensing module comprises a tension detection and signal conditioning circuit A, an acceleration detection and signal conditioning circuit B, a vibration detection and signal conditioning circuit C, a microclimate detection and signal conditioning circuit D and a distance detection and signal conditioning circuit E which are electrically connected; the self-checking module comprises a parameter sensing module self-checking unit, a power management power supply module self-checking unit, a communication module self-checking unit and an intelligent control module self-checking unit; the power management power supply module comprises a solar power supply submodule, a wind power supply submodule, a battery power supply submodule and a power management submodule; the power management submodule is provided with a plurality of power input ends which are respectively electrically connected with the solar power supply submodule and the wind power supply submodule, stores energy in a super capacitor and a lithium battery of the battery power supply module and simultaneously completes power supply distribution with the parameter sensing submodule, the intelligent control submodule, the communication submodule and the self-checking submodule; the intelligent control module finishes the collection and processing of all parameters of the parameter sensing module, sends information to the remote centralized control terminal through the communication module, and simultaneously receives and analyzes data sent by a local monitoring subsystem at the other end of the same anchor segment to carry out comprehensive evaluation on state information; the remote centralized control terminal is deployed in a dispatching room of a power supply section or a work area, and industrial-grade and special centralized control software is installed in a centralized control background in the dispatching room; the multiple sets of multi-characteristic-quantity local monitoring subsystems are communicated with a remote centralized control terminal in a wired and wireless communication mode, so that sharing and visual monitoring of multi-characteristic-quantity monitoring information of each anchor section of the contact network are realized; the multiple sets of multi-characteristic-quantity local monitoring subsystems and the remote centralized control terminal can upload data to the cloud through a 4G/5G network, and maintainers can know the data of each multi-characteristic-quantity local monitoring subsystem in real time through terminal equipment such as mobile phones and the like and perform system management.
2. The system for monitoring the state of the flexible contact network according to claim 1, wherein the multi-characteristic-quantity local monitoring subsystem can perform information interaction between two sets of the same anchor section in a wired and wireless manner, and comprehensively evaluate the operation condition of the contact network through real-time information at two ends of the same anchor section, so that the evaluation result is more accurate and reliable.
3. The system for monitoring the state of the flexible contact net according to claim 1, wherein in the application of the power management and supply module, power management is performed on a solar module, a wind energy module and a battery module in real time, the solar energy and the wind energy are preferentially adopted for supplying power, and redundant electric energy is transmitted to a storage battery and a super capacitor for storage; when the output voltages of the solar power supply module and the wind power supply module are too low, the super capacitor is preferentially adopted for power supply, and then the storage battery is adopted for power supply.
4. The system for monitoring the state of the flexible contact network according to claim 1, wherein the self-checking module of the multi-characteristic-quantity local monitoring subsystem performs self-checking on the parameter sensing module, the intelligent control module, the communication module and the power management power supply module under the control of the intelligent control module, returns alarm information to the abnormal module, and controls the communication module to send the abnormal information to the remote centralized control terminal through the intelligent control module.
5. The system for monitoring the state of the flexible contact network according to claim 1, wherein the intelligent control module collects the acquired tension, acceleration, vibration, microclimate and distance information of the parameter sensing module, compensates and decouples the parameters, so that the operation state of the flexible contact network can be comprehensively judged by multiple parameters, and the problems that the evaluation of single parameter information is incomplete and a single sensor cannot be monitored when damaged are solved.
6. The system for monitoring the state of the flexible contact network according to claim 1, wherein microclimate of the multi-characteristic-quantity local monitoring subsystem comprises temperature, humidity, wind speed, wind direction, rainfall and snow information, and the temperature, humidity, wind speed and wind direction are used for compensation of the intelligent control module on tension, acceleration, vibration and distance information; snow is used for reminding maintainers that the contact net may be frozen and the contact net needs to be deiced.
7. The system for monitoring the state of the flexible contact network according to claim 1, wherein the multi-characteristic-quantity local monitoring subsystem can upload monitoring information to a cloud end through a 4G/5G network through a remote centralized control background, so that sharing and management of big data are realized, and system management such as task assignment, fault processing record and the like can be performed in real time by maintenance workers through terminal equipment such as mobile phones and the like.
8. The system for monitoring the state of the flexible contact network according to claim 1, wherein the remote centralized control terminal sets a period for data collection, the intelligent control module uploads information after data collection is completed, the local monitoring module is in a dormant state after the information uploading is completed, and when the tension, acceleration, vibration, microclimate and distance detection module of the contact network detects data mutation, the intelligent control module is awakened to upload a remote centralized control background or send the data to the other end multi-feature-quantity local monitoring subsystem of the same anchor section after data collection and evaluation are carried out, so that comprehensive data evaluation is carried out.
CN202210413719.2A 2022-04-20 2022-04-20 Flexible contact net state monitoring system Pending CN114740307A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115420325A (en) * 2022-11-04 2022-12-02 深圳海润新能源科技有限公司 Method for checking abnormal sensor of energy storage device, terminal equipment and storage medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115420325A (en) * 2022-11-04 2022-12-02 深圳海润新能源科技有限公司 Method for checking abnormal sensor of energy storage device, terminal equipment and storage medium

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