阅读说明：本技术 一种跨座式单轨道岔的运行监控及维护系统 (Straddle type single-track turnout operation monitoring and maintenance system ) 是由 熊康惠 刘伟 吴宝昌 刘维耀 罗浪 杨华胜 于 2021-09-22 设计创作，主要内容包括：本发明公开了一种跨座式单轨道岔的运行监控及维护系统,包括中央控制层、数据处理层和站场道岔群；所述中央控制层包括维保监测显示终端和各个站点的控制显示终端；所述数据处理层包括数据采集交换模块、云数据库、人工智能模块和移动通讯设备；所述站场道岔群是指某个站点的所有道岔。本发明是一种面对不同安装地点和环境的站场道岔群的智能监测及维护系统,其功能包括运营控制人员对道岔运行状态的监控功能,维保人员实时接收整个运营线路道岔故障报警信号的功能,以及通过人工智能模块的自学习能力生成适应单组道岔维护的个性化系统功能,从而保障跨座式单轨道岔的正常运营和行车安全。(The invention discloses a straddle type single-track switch operation monitoring and maintenance system, which comprises a central control layer, a data processing layer and a station switch group, wherein the central control layer is used for controlling the operation of a single-track switch; the central control layer comprises a maintenance monitoring display terminal and control display terminals of all the stations; the data processing layer comprises a data acquisition and exchange module, a cloud database, an artificial intelligence module and mobile communication equipment; the station switch group refers to all switches of a certain station. The invention relates to an intelligent monitoring and maintaining system for station turnout groups in different installation places and environments, which has the functions of monitoring the turnout operation state by an operation controller, receiving a turnout fault alarm signal of the whole operation line in real time by a maintenance worker, and generating a personalized system function adapting to maintenance of a single turnout group through the self-learning capability of an artificial intelligent module, thereby ensuring normal operation and driving safety of a straddle type single-track turnout.)

1. A straddle-type single-track switch operation monitoring and maintenance system is characterized by comprising a central control layer, a data processing layer and a station switch group;

the central control layer comprises a maintenance monitoring display terminal and control display terminals of all the stations;

the data processing layer comprises a data acquisition and exchange module, a cloud database, an artificial intelligence module and mobile communication equipment;

the station switch group refers to all switches of a certain station;

the central control layer, the data processing layer and the station switch group adopt a wireless network or a wired network to realize communication according to the mutual distance and the transmission mode of different data.

2. The operation monitoring and maintaining system for the straddle-type single-rail turnout according to claim 1, wherein the maintenance monitoring and displaying terminal is a human-computer interface for displaying turnout alarm signals, when the human-computer interface sends turnout emergency fault signals, maintenance personnel timely arrive at the site for emergency repair according to alarm prompts on the human-computer interface, and a mobile communication device is used for feeding back maintenance results to the cloud database; when the health state index of the turnout mechanical component displayed on the human-computer interface reaches the alarm threshold value, the maintenance personnel performs night inspection or maintenance on the corresponding mechanical component according to the alarm prompt and feeds back the maintenance result by using the mobile communication equipment.

3. The operation monitoring and maintaining system for the straddle-type single-rail turnout according to claim 1, wherein the control display terminal is a human-computer interface installed in an operation control duty room of each station and used for displaying comprehensive data of all turnouts of the station, and an operation controller monitors the operation state of the turnout, the field environment and the fault signs of a mechanical structure of the turnout in real time through the human-computer interface and controls the turnout of each station to be switched and disconnected under the condition of ensuring the safety of the turnout; when the man-machine interface displays that the artificial intelligent module diagnoses mechanical faults, operation control personnel immediately send out turnout emergency stop signals after confirming that turnouts can not work normally and traffic operation is affected, and send emergency fault signals to a maintenance monitoring display terminal.

4. The operation monitoring and maintaining system for the straddle-type single-rail turnout according to claim 1, wherein the data acquisition and exchange module comprises a data acquisition module and a data exchange module, the data acquisition module transmits data acquired on the turnout site to the data exchange module, and the data exchange module transmits the data acquired on the turnout site and data signals evaluated by the artificial intelligence module to the control display terminal and the cloud database.

5. The operation monitoring and maintenance system of the straddle-type single-rail turnout according to claim 1, wherein the artificial intelligence module comprises a mechanical fault diagnosis module and an environmental disturbance monitoring module, and the mechanical fault diagnosis module uses a pre-trained AI model to evaluate the health status index of the mechanical component of the turnout and diagnose the mechanical fault; the environmental interference monitoring module screens and marks abnormal pictures by using a pre-trained AI model, and operation control personnel intensively distinguish and process the pictures identified and screened by the AI model through a human-computer interface, and sends a switch-off command to the turnout after determining the safety of the turnout traffic environment.

6. The operation monitoring and maintenance system for the straddle-type single-track switch according to claim 1 or 2, wherein the mobile communication device is a communication device for feeding back an inspection or maintenance result to the cloud database during inspection and maintenance of a maintenance worker.

7. The operation monitoring and maintenance system for the straddle-type single-rail switch according to any one of claims 1 to 4, wherein the switch data comprises switch operation and control data, field environment data and switch mechanical structure data.

8. The operation monitoring and maintenance system of a straddle-type single-rail switch according to claim 7, wherein the switch operation and control data is classified according to four control modes of the switch, including central control, stand-alone control, manual control and emergency control.

9. The operation monitoring and maintaining system of the straddle-type monorail switch as claimed in claim 7, wherein the field environment data comprises control cabinet 1 environment data, control cabinet 2 environment data and switch periphery environment data; wherein the content of the first and second substances,

the environmental data of the control cabinet 1 and the control cabinet 2 mainly comprise temperature and humidity signals in the control cabinet; the surrounding environment data of the turnout comprises humidity, temperature, illumination, surrounding vegetation conditions and abnormal object interference signs between traffic areas at different positions in the turnout field area.

10. The operation monitoring and maintenance system of the straddle-type single-rail turnout according to claim 7, wherein the turnout mechanical structure data comprises technical index parameters of a supporting structure, a positioning device, a driving device, a main structure and an auxiliary device; the technical index parameters comprise displacement checking data, structure checking data and operation checking data of the mechanical component.

Technical Field

The invention relates to the technical field of straddle type monorail transit, in particular to a straddle type monorail turnout operation monitoring and maintenance system.

Background

The straddle type monorail technology becomes an important component in urban rail transit development, and has the advantages of moderate transportation quantity, high speed, low manufacturing cost, good environmental adaptability, low noise, strong climbing capability and the like. From system structure analysis, three core technologies of the straddle type monorail transit system comprise a vehicle technology, a track beam technology and a turnout technology. Therefore, the safety and reliability of the straddle type single-track turnout are very important for the normal operation of the whole traffic line. The key technology for ensuring the safe operation of traffic lines is to monitor the running state of the turnout in real time and strengthen the maintenance and guarantee capability of the turnout.

The prior art chinese patent CN107600109A discloses a straddle-type monorail switch state monitoring system, which can monitor the operating states of members such as the travel of a turnout, a motor and a beam body, and realize real-time monitoring of a monorail switch part member, but the system cannot monitor the operating state of a turnout unit during operation and the operating state of key components, and also has no functions of diagnosing electrical faults and monitoring the surrounding environment of the turnout during turnout control operation. Meanwhile, an expert system adopted by the technology has no processing capability on fuzzy problems or problems which are not recorded in a knowledge base in the equipment inspection process. In the prior art, the precision of acquired vibration or noise data is required to be extremely high, otherwise, signal distortion can cause fault diagnosis errors, and sufficient memory is required to store data, so that the construction cost of a selected database is extremely high.

The straddle type single-track turnout comprehensive monitoring system technology disclosed in the prior art CN107600109A mainly collects voltage, current, vibration parameters and temperature and humidity data to acquire the running states of a turnout driving device, a trolley and a track. In the actual monitoring process, the structures of a driving device and a trolley of the turnout are complex, so that the position and the time of a data acquisition point are critical, but the system does not give the position and the time of the acquisition point and an analysis algorithm for obtaining the running states of the driving device, the trolley and the track. Meanwhile, the technology uses a digital signal analysis platform to analyze and identify and then gives the running state and monitoring and early warning of the turnout, but does not give an analysis algorithm used by the digital signal analysis platform.

In addition, due to the complexity of the turnout mechanical structure, the high price of the real-time monitoring device of the technical index parameters of partial structural components and the high implementation cost, the daily inspection and maintenance of the straddle type single-track turnout partial structure are still manually and periodically inspected. The inspection mode has hysteresis to the inspection and the rush repair of the turnout fault, once the turnout breaks down before the inspection, the turnout maintainer is informed that the position and the type of the fault still can not be determined when the turnout maintainer carries out the rush repair, and the rush repair scheme and the preparation equipment can only enter the turnout field area to inspect the fault, even the rush repair can be delayed because the rush repair equipment is incomplete. In addition, data obtained by manual inspection are not uniformly stored and analyzed, so that a later-stage inspection and maintenance system of the turnout is optimized.

Disclosure of Invention

Aiming at the defects or improvement requirements of the prior art, the invention provides a straddle type single-track switch operation monitoring and maintenance system, which is used for establishing a personalized intelligent monitoring and maintenance system suitable for switch groups of various stations through the self-learning capability of an artificial intelligent module in the face of switch groups of stations in different installation places and environments, and overcoming the defect that the expert system cannot be used when the expert system encounters a fuzzy problem or the problem that a knowledge base is not recorded.

In order to solve the technical problems, the invention adopts the following technical scheme:

a straddle-type single-track switch operation monitoring and maintenance system comprises a central control layer, a data processing layer and a station switch group;

the central control layer comprises a maintenance monitoring display terminal and control display terminals of all the stations;

the data processing layer comprises a data acquisition and exchange module, a cloud database, an artificial intelligence module and mobile communication equipment;

the station switch group refers to all switches of a certain station;

the central control layer, the data processing layer and the station switch group adopt a wireless network or a wired network to realize communication according to the mutual distance and the transmission mode of different data.

The maintenance monitoring display terminal is a human-computer interface for displaying turnout alarm signals, when the human-computer interface sends turnout emergency fault signals, maintenance personnel timely arrive at the site for emergency repair according to alarm prompts on the human-computer interface, and a maintenance result is fed back to the cloud database by using mobile communication equipment; when the health state index of the turnout mechanical component displayed on the human-computer interface reaches the alarm threshold value, the maintenance personnel performs night inspection or maintenance on the corresponding mechanical component according to the alarm prompt and feeds back the maintenance result by using the mobile communication equipment.

Furthermore, the maintenance monitoring display terminal human-computer interface is a process monitoring system developed by upper computer software, namely a graphical user interface for realizing human-computer interaction operation, and mainly comprises a main interface, a turnout mechanical component fault diagnosis interface and a technical index parameter interface of mechanical components (including displacement inspection data, structure inspection data and operation inspection data of each group of turnout mechanical structures).

The control display terminal is a human-computer interface arranged in an operation control duty room of each station and is used for displaying the comprehensive data of all turnouts of the station, and an operation controller monitors the operation state of the turnouts, the field environment and the fault signs of the turnout mechanical structure in real time through the human-computer interface and controls the turnout switch of each station under the condition of ensuring the safety of the turnout; when the man-machine interface displays that the artificial intelligent module diagnoses mechanical faults, operation control personnel immediately send out turnout emergency stop signals after confirming that turnouts can not work normally and traffic operation is affected, and send emergency fault signals to a maintenance monitoring display terminal.

Furthermore, the human-computer interface mainly comprises a main interface, a turnout operation and control monitoring interface, a turnout site environment monitoring interface, a turnout mechanical component fault diagnosis interface and the like.

Preferably, the human-computer interfaces can use Visual basic, Visual C + + or SIMATIC WinCC (Windows Control Center) software development graphical user interfaces to construct a process monitoring system and realize human-computer interaction operation;

the data acquisition and exchange module comprises a data acquisition module and a data exchange module, the data acquisition module transmits data acquired on the turnout site to the data exchange module, and the data exchange module transmits the data acquired on the turnout site and data signals evaluated by the artificial intelligence module to the control display terminal and the cloud database.

Preferably, the data acquisition module can use a PLC acquisition module, a single chip microcomputer or an industrial personal computer; the data exchange module is a gigabit switch, and a stackable switch or a frame switch is selected according to network setting requirements.

Furthermore, the artificial intelligence module comprises a mechanical fault diagnosis module and an environmental interference monitoring module, wherein the mechanical fault diagnosis module uses a pre-trained AI model to evaluate the health state index of the turnout mechanical component and diagnose the mechanical fault;

preferably, the AI model in the mechanical fault diagnosis module may use an alopex neural network algorithm or a BP neural network algorithm in an artificial neural network;

furthermore, the input data of the mechanical fault diagnosis module is the operation inspection data of the turnout mechanical structure; the environmental interference monitoring module screens and marks abnormal pictures by using a pre-trained AI model, and an operation control personnel carries out centralized discrimination processing on the pictures identified and screened by the AI model through a human-computer interface, and sends a switch-off command to the turnout after determining the safety of the turnout traffic environment;

preferably, the AI model in the environmental interference monitoring module uses a Faster R-CNN network algorithm to identify the interference signs of abnormal objects in the traffic passing interval;

furthermore, the input data of the environmental interference monitoring module is collected by a video monitoring device, the video monitoring device is installed right above the central position of the turnout main structure body, and the vertical distance between the video monitoring device and the turnout main structure body is larger than the height of the monorail vehicle when the monorail vehicle passes through.

Furthermore, the artificial intelligence module can automatically update the weight of the characteristic information data of the artificial intelligence module through the centralized judgment and feedback work of the operation control personnel and the maintenance personnel on the alarm information, and an AI model is optimized.

And the mobile communication equipment is a communication device for feeding back an inspection or maintenance result to the cloud database in the inspection and maintenance process of the maintenance personnel.

The turnout data comprises turnout operation and control data, field environment data and turnout mechanical structure data.

The turnout operation and control data are classified according to four control modes of the turnout, including central control, single machine control, manual control and emergency control. The turnout control method mainly comprises the steps that the turnout corresponds to the working state and response time of an electric appliance element in the process of completing unlocking, switching-off and locking actions in the four control modes, and the action state of a travel switch, and if the action is overtime or the state is abnormal, an alarm signal is sent to a control display terminal;

further, the field environment data comprises control cabinet 1 environment data, control cabinet 2 environment data and turnout surrounding environment data; the environmental data of the control cabinet 1 and the control cabinet 2 mainly comprise temperature and humidity signals in the control cabinet; the surrounding environment data of the turnout comprises humidity, temperature, illumination, surrounding vegetation conditions and abnormal object interference signs between traffic areas at different positions in the turnout field area.

Preferably, the temperature and humidity data are collected by using a temperature sensor and a humidity sensor, the illumination data are collected by using an illumination sensor, and the peripheral vegetation condition and the abnormal object interference sign in the traffic area are collected by using the video monitoring device.

Further, the turnout mechanical structure data comprise technical index parameters of mechanical components such as a supporting structure, a positioning device, a driving device, a main structure body, an accessory device and the like (other structures such as a guiding device, a transmission device or a bending device and the like are added according to the type of the turnout); the technical index parameters comprise displacement checking data, structure checking data and operation checking data of the mechanical component.

Preferably, the structural inspection data of the positioning device comprises bolt looseness, coating corrosion, surface cracking or fracture; the operation check data comprises vibration and noise data when switching off and switching on, vibration and noise data when locking and unlocking, and motor operation parameters (current, voltage, temperature, rotating speed and amplitude);

preferably, the displacement inspection data of the main structure body comprises alignment, level, elevation angle, elevation difference and ultrahigh data; the structural inspection data comprises bolt looseness, coating corrosion, surface cracking or fracture and seam clearance data; the operation inspection data includes vibration and noise data at switch-off and at traffic-on. The technical index parameters of other mechanical components are similar to those of the main structure body and the positioning device, and are not described in detail herein.

Preferably, the displacement inspection data are acquired by a monorail track inspection vehicle and uploaded to the cloud database for storage, and the data are used as sample data of the artificial intelligence module in the later-stage expansion function;

preferably, as the turnout is various in mechanical structure and complex in shape, the structure inspection data is periodically inspected by a maintainer and then uploaded to the cloud database by using mobile communication equipment so as to be checked and monitored by the control display terminal and the maintenance monitoring display terminal in real time;

preferably, considering that the loads of rail vehicle running speed, line section traffic volume, terrain and geological conditions on turnout mechanical components are different, the surrounding environmental data (including humidity, temperature and illumination data) of the turnout and the structural inspection data are used as learning samples of a BP neural network in the artificial intelligence module to obtain the mapping relation between the weather environment and corrosion, cracking or damage of a coating of the turnout component, and the network is used as a mechanical component service life prediction module for later expansion of the artificial intelligence module, so that a turnout inspection alarm system is optimized, and a reasonable inspection period and maintenance scheme are provided.

In conclusion, the straddle type single-track switch operation monitoring and maintenance system has the following beneficial effects:

1. the station turnout group adaptive monitoring and maintaining system is established by the self-learning capability of the artificial intelligent module in the face of station turnout groups of different installation places and environments, and has strong adaptive capability.

2. According to the characteristics of multiple turnout mechanical structures and complex shapes, the construction cost of the signal acquisition system is reduced by combining two modes of signal sensor real-time monitoring and manual inspection, and the data detected manually is stored in a cloud database for data analysis and expansion of the functions of the artificial intelligent module.

3. The cloud database is adopted to store data, so that the cost is far lower than the cost required by self-building the database, the cloud database has portability, and the database can be moved from one place to another place to be used, so that the data can be used for other functional analysis, functional development and the like.

4. The system management function of the turnout groups of all stations of the whole operation line is realized.

Drawings

Fig. 1 is a schematic structural diagram of an operation monitoring and maintenance system of a straddle-type single-track switch.

Fig. 2 is a schematic structural diagram of environment data of a turnout site.

Fig. 3 is a schematic diagram of the structure of the data of the turnout locating device.

Fig. 4 is a schematic structural diagram of the turnout main structure data.

Fig. 5 is a schematic structural diagram of the artificial intelligence module.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Example 1

Referring to fig. 1, the straddle-type monorail switch operation monitoring and maintenance system is divided into three control layers including a central control layer, a data processing layer and a station switch group. The central control layer comprises a maintenance monitoring display terminal and control display terminals of all the stations; the data processing layer comprises a data acquisition and exchange module, a cloud database, an artificial intelligence module and mobile communication equipment; the station switch group refers to all switches of a certain station. And according to the distance between the control layers and the transmission modes of different data, the wireless network or the wired network is adopted to realize communication.

The maintenance monitoring display terminal is a human-computer interface for displaying turnout alarm signals, when the human-computer interface sends turnout emergency fault signals, maintenance personnel timely arrive at the site for emergency repair according to alarm prompts on the human-computer interface, and a maintenance result is fed back to the cloud database by using mobile communication equipment; when the health state index of the turnout mechanical component displayed on the human-computer interface reaches the alarm threshold value, the maintenance personnel performs night inspection or maintenance on the corresponding mechanical component according to the alarm prompt and feeds back the maintenance result by using the mobile communication equipment.

Furthermore, the maintenance monitoring display terminal human-computer interface is a process monitoring system developed by upper computer software, namely a graphical user interface for realizing human-computer interaction operation, and mainly comprises a main interface, a turnout mechanical component fault diagnosis interface and a technical index parameter interface of mechanical components (including displacement inspection data, structure inspection data and operation inspection data of each group of turnout mechanical structures).

The control display terminal is a human-computer interface arranged in an operation control duty room of each station and is used for displaying the comprehensive data of all turnouts of the station, and an operation controller monitors the operation state of the turnouts, the field environment and the fault signs of the turnout mechanical structure in real time through the human-computer interface and controls the turnout switch of each station under the condition of ensuring the safety of the turnout; when the man-machine interface displays that the artificial intelligent module diagnoses mechanical faults, operation control personnel immediately send out turnout emergency stop signals after confirming that turnouts can not work normally and traffic operation is affected, and send emergency fault signals to a maintenance monitoring display terminal.

Furthermore, the human-computer interface mainly comprises a main interface, a turnout operation and control monitoring interface, a turnout site environment monitoring interface, a turnout mechanical component fault diagnosis interface and the like.

Preferably, the human-computer interfaces can use Visual basic, Visual C + + or SIMATIC WinCC (Windows Control Center) software development graphical user interfaces to construct a process monitoring system and realize human-computer interaction operation.

The data acquisition and exchange module comprises a data acquisition module and a data exchange module, the data acquisition module transmits data acquired on the turnout site to the data exchange module, and the data exchange module transmits the data acquired on the turnout site and data signals evaluated by the artificial intelligence module to the control display terminal and the cloud database.

Preferably, the data acquisition module can use a PLC acquisition module, a single chip microcomputer or an industrial personal computer; the data exchange module is a gigabit switch, and a stackable switch or a frame switch is selected according to network setting requirements.

Furthermore, the artificial intelligence module comprises a mechanical fault diagnosis module and an environmental interference monitoring module, wherein the mechanical fault diagnosis module uses a pre-trained AI model to evaluate the health state index of the turnout mechanical component and diagnose the mechanical fault;

preferably, the AI model in the mechanical fault diagnosis module may use an alopex neural network algorithm or a BP neural network algorithm in an artificial neural network;

furthermore, the input data of the mechanical fault diagnosis module is the operation inspection data of the turnout mechanical structure;

the environmental interference monitoring module screens and marks abnormal pictures by using a pre-trained AI model, and an operation control personnel carries out centralized discrimination processing on the pictures identified and screened by the AI model through a human-computer interface, and sends a switch-off command to the turnout after determining the safety of the turnout traffic environment;

preferably, the AI model in the environmental interference monitoring module uses a Faster R-CNN network algorithm to identify the interference signs of abnormal objects in the traffic passing interval;

furthermore, the input data of the environmental interference monitoring module is collected by a video monitoring device, the video monitoring device is installed right above the central position of the turnout main structure body, and the vertical distance between the video monitoring device and the turnout main structure body is larger than the height of the monorail vehicle when the monorail vehicle passes through.

Furthermore, the artificial intelligence module can automatically update the weight of the characteristic information data of the artificial intelligence module through the centralized judgment and feedback work of the operation control personnel and the maintenance personnel on the alarm information, and an AI model is optimized.

And the mobile communication equipment is a communication device for feeding back an inspection or maintenance result to the cloud database in the inspection and maintenance process of the maintenance personnel.

The turnout data comprises turnout operation and control data, field environment data and turnout mechanical structure data.

The turnout operation and control data are classified according to four control modes of the turnout, including central control, single machine control, manual control and emergency control. The turnout control method mainly comprises the steps that the turnout corresponds to the working state and response time of an electric appliance element in the process of completing unlocking, switching-off and locking actions in the four control modes, and the action state of a travel switch, and if the action is overtime or the state is abnormal, an alarm signal is sent to a control display terminal;

further, the field environment data comprises control cabinet 1 environment data, control cabinet 2 environment data and turnout surrounding environment data; the environmental data of the control cabinet 1 and the control cabinet 2 mainly comprise temperature and humidity signals in the control cabinet; the surrounding environment data of the turnout comprises humidity, temperature, illumination, surrounding vegetation conditions and abnormal object interference signs between traffic areas at different positions in the turnout field area.

Preferably, the temperature and humidity data are collected by using a temperature sensor and a humidity sensor, the illumination data are collected by using an illumination sensor, and the peripheral vegetation condition and the abnormal object interference sign in the traffic area are collected by using the video monitoring device.

Further, the turnout mechanical structure data comprise technical index parameters of mechanical components such as a supporting structure, a positioning device, a driving device, a main structure body, an accessory device and the like (other structures such as a guiding device, a transmission device or a bending device and the like are added according to the type of the turnout); the technical index parameters comprise displacement checking data, structure checking data and operation checking data of the mechanical component.

Preferably, the structural inspection data of the positioning device comprises bolt looseness, coating corrosion, surface cracking or fracture; the operation check data comprises vibration and noise data when switching off and switching on, vibration and noise data when locking and unlocking, and motor operation parameters (current, voltage, temperature, rotating speed and amplitude);

preferably, the displacement inspection data of the main structure body comprises alignment, level, elevation angle, elevation difference and ultrahigh data; the structural inspection data comprises bolt looseness, coating corrosion, surface cracking or fracture and seam clearance data; the operation inspection data includes vibration and noise data at switch-off and at traffic-on. The technical index parameters of other mechanical components are similar to those of the main structure body and the positioning device, and are not described in detail herein.

Preferably, the displacement inspection data are acquired by a monorail track inspection vehicle and uploaded to the cloud database for storage, and the data are used as sample data of the artificial intelligence module in the later-stage expansion function;

preferably, as the turnout is various in mechanical structure and complex in shape, the structure inspection data is periodically inspected by a maintainer and then uploaded to the cloud database by using mobile communication equipment so as to be checked and monitored by the control display terminal and the maintenance monitoring display terminal in real time;

preferably, considering that the loads of rail vehicle running speed, line section traffic volume, terrain and geological conditions on turnout mechanical components are different, the surrounding environmental data (including humidity, temperature and illumination data) of the turnout and the structural inspection data are used as learning samples of a BP neural network in the artificial intelligence module to obtain the mapping relation between the weather environment and corrosion, cracking or damage of a coating of the turnout component, and the network is used as a mechanical component service life prediction module for later expansion of the artificial intelligence module, so that a turnout inspection alarm system is optimized, and a reasonable inspection period and maintenance scheme are provided.

Example 2

Referring to fig. 1, the preferred embodiment of the present invention provides a system for monitoring and maintaining the operation of a straddle-type single-track switch, wherein the system for monitoring and maintaining the straddle-type single-track switch is divided into three control layers, including a central control layer, a data processing layer and a station switch group. The central control layer comprises a maintenance monitoring display terminal and control display terminals of all the stations; the data processing layer comprises a data acquisition and exchange module, a cloud database, an artificial intelligence module and mobile communication equipment; the station switch group refers to all switches of a certain station. And according to the distance between the control layers and the transmission modes of different data, the wireless network or the wired network is adopted to realize communication.

Referring to fig. 2-5, a plurality of stations (station a, station B … Z) are distributed on the operation route of the rail transit, each station is provided with a plurality of sets of switches according to the traffic demand, each set of switches is provided with various signal sensors, and the operation and control state, the field environment data (as shown in fig. 2) and the mechanical structure data of the switches are monitored in real time. In the central control layer, the maintenance monitoring display terminal is a human-computer interface installed in a turnout maintenance monitoring center, maintenance personnel can check fault alarm signals of each group of turnouts on the whole line and check maintenance data fed back to a cloud database by mobile communication equipment, and timely arrive at the site to carry out emergency repair or spread turnout inspection according to alarm prompts on the human-computer interface; the control display terminal is a human-computer interface installed at each station (such as the station A), and an operation control person monitors the field environment climate and the operation state of the turnout and the fault signs of the mechanical structure of the turnout in real time through the human-computer interface, and controls the operation of the turnout at each station under the condition of ensuring the safety of the turnout. In the data processing layer, each station is provided with an independent data acquisition and exchange module, the monitoring data of each group of turnouts of the station is uploaded to the cloud database, the artificial intelligence module diagnoses the fault of the turnout mechanical structure and the interference signs of the surrounding environment according to the data in the cloud database, and feeds the result back to the data acquisition and exchange module, and the result is uploaded to the control display terminal by the data acquisition and exchange module. The following is a detailed description of the # 1 turnout operation monitoring and maintenance process.

Before the 1# turnout is operated, an operation control person checks the position state of the turnout and the interference signs of abnormal objects in a turnout passing interval through a human-computer interface of a station A control display terminal, wherein the position state of the turnout and the interference signs of the abnormal objects in the turnout passing interval are used by the quick R-CNN network assessment trained in advance in an environmental interference monitoring module, if the interference signs of the abnormal objects in the turnout passing interval are confirmed and manual intervention is needed, an alarm prompt of the interference signs of the abnormal objects in the turnout passing interval is given to a maintenance monitoring display terminal, and maintenance personnel are equipped with a maintenance tool according to the alarm prompt to carry out first-aid repair on the 1# turnout. If the operation control personnel confirm that the position state of the turnout is correct and no interference exists in the traffic passing section, a turnout turning and withdrawing command is issued.

1# switch begins to change and withdraws the operation, the operating condition and the response time of key electrical components are gathered to the PLC controller in the switch board, and travel switch's action state, then upload data to A station control display terminal through data acquisition exchange module, supply the unblock of operation control personnel control switch, change and withdraw and locking process, electrical components response time when in a certain step is overtime, man-machine interface sends alarm signal to operation control personnel, if unable elimination is reported to the police, then send the warning to the maintenance monitoring display terminal, maintenance personnel are equipped with maintenance tool according to the suggestion of reporting to the police and salvage the switch.

In addition, in the 1# turnout turning and withdrawing process, the operation data (comprising vibration and noise data when the supporting structure, the positioning device, the driving device, the main structure body and the accessory device are turned and withdrawn, motor operation parameters of the positioning device, vibration and noise data when the main structure body and the accessory device are locked and unlocked, and motor operation parameters of the driving device) of a turnout mechanical structure are collected and uploaded to a data collection and exchange module, the turnout data are transmitted to a cloud database by the data collection and exchange module, a mechanical fault diagnosis module in an artificial intelligent module diagnoses health state indexes and faults when the turnout is turned and withdrawn by using a pre-trained BP neural network and uploads the health state indexes and the faults to a station A control display terminal, when a mechanical fault is diagnosed or the health state index reaches an alarm threshold value to trigger a turnout maintenance alarm, a maintenance worker is arranged to enter a turnout site area for inspection and maintenance according to claim 2.

After the 1# turnout is safely turned over and removed, when a monorail vehicle runs from a turnout beam body, the data acquisition and exchange module transmits vibration and noise data of a turnout mechanical structure (comprising a supporting structure, a positioning device, a driving device, a main structure body and an auxiliary device) during passing to a cloud database, and a mechanical fault diagnosis module in the artificial intelligent module evaluates the health state and faults of the turnout mechanical structure during passing again. If a mechanical fault is diagnosed, a maintenance worker is arranged to enter the switch field area for inspection and maintenance according to claim 2.

At this point, turnout monitoring work from before turnout operation to after single-rail vehicle passing is completed, and during turnout maintenance, maintenance personnel regularly patrol and collect displacement inspection data and structure inspection data of turnout mechanical structure data (as shown in figure 4, the displacement inspection data of the main structure body comprises alignment, level, elevation angle, elevation difference and ultrahigh data, and the structure inspection data comprises bolt loosening, coating corrosion, surface cracking or fracture and seam clearance data). The displacement inspection data are acquired by a single-track rail inspection vehicle, uploaded to the cloud database and stored, and used as sample data of the artificial intelligence module in the later expansion function; because switch mechanical structure is various and the shape is complicated, structure inspection data use mobile communication equipment to reach the inspection result after patrolling and examining by maintainer regularly cloud database to supply operation control display terminal and dimension to protect monitoring display terminal to look over in real time and monitor.

Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.