CN107380202B - Based on NB-IoT net rail vehicle Spindle Status monitoring method and system - Google Patents
Based on NB-IoT net rail vehicle Spindle Status monitoring method and system Download PDFInfo
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- CN107380202B CN107380202B CN201710636107.9A CN201710636107A CN107380202B CN 107380202 B CN107380202 B CN 107380202B CN 201710636107 A CN201710636107 A CN 201710636107A CN 107380202 B CN107380202 B CN 107380202B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
- B61K9/06—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault by detecting or indicating heat radiation from overheated axles
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Abstract
One kind is based on NB-IoT net rail vehicle Spindle Status monitoring method and monitoring system, the transmission of rail vehicle axle health status monitoring data is carried out using NB-IoT Internet of Things, the axle health monitoring device for having NB-IoT Internet of Things transmission module is all installed by each axle, axle health monitoring device is uploaded to monitoring center by NB-IoT transmission module, axle health status is judged according to data are uploaded by monitoring center, and handled in due course, realize the timely monitor of rail vehicle axle health status.The present invention is monitored rolling stock axle health status and vehicle braking condition monitoring system using NB-IoT Internet of Things, driver and ground rail scheduling system can grasp the safe operation of Vehicle Axles (including bearing) health status and vehicle braking state in real time, early warning or alarm are carried out to failure, its health monitoring historical record and big data analysis judgement and management system are established in realization.
Description
Technical field
The present invention relates to a kind of monitoring method of rail vehicle component and monitoring systems, are based on more particularly, to one kind
The rail vehicle axle health status monitoring method and monitoring system of NB-IoT Internet of Things, this kind of monitoring method and monitoring system can
Big data central monitoring is carried out to rolling stock axle (including bearing) health status and vehicle braking state, belongs to rail vehicle
Monitor control technology field.
Background technique:
Currently, rail vehicle (including railway freight-car, car etc.) axle bearing in China's is because by different loads, difference operation line
Road, packaging technology, the influence of the factors such as quality itself, longtime running will likely can generate various types of (hot axis) failures, such as
Fruit can not find and exclude in time to bearing fault, it will seriously endanger the traffic safety of rail vehicle, rolling stock
On the axle bearing that uses once accident occurs, can not only cause damage of the bearing, and be possible to interfere train operating safety,
For the high reliability and safety for ensuring train operation, require vehicle bearing have various performances；So in rail vehicle
In operational process, unmanned remote system monitoring management is carried out to the state knot of its axle (hot axis) failure, finds track in time
The failure of Vehicle Axles, takes corresponding measure, it is ensured that vehicle safety operation has great meaning.
It and is all using active detection side currently, being primarily only to be confined to train or car to the detection of rail vehicle
Formula；Axle status monitoring is broadly divided into vehicle-mounted contact measurement and ground based IR measurement.This detection mode is all based on external electrical
The sensor of source power supply obtains signal, then is transmitted to control system, carries out the monitoring mode of analysis and Control；But this mode pair
It is just not applicable for passive lorry, therefore the bearing monitoring for how solving lorry axle is always one long-standing
The problem of, and the lorry probability that accidents happened accounts for a greater part of of entire accident now.Axis on China Railway Freight train at this stage
Warm detection device is mainly used one is contactless infrared journal temperature detection system, is by installing infrared probe every 30km
Axis temperature is detected.But this mode is being easily affected by the external environment, due to location difficulty etc., so that the excessively high announcement of axis temperature
Alert encashment ratio is low, rate of false alarm is high, and cost is very high, so being badly in need of solving this.
By patent retrieval do not find have with the patent literature report of same technique of the present invention, have certain relationship with the present invention
Patent mainly have it is following:
1, Patent No. CN201610850367.1, a kind of entitled " train axle state based on surface acoustic wave techniques
The patent of invention of monitoring device ", which disclose a kind of train axle state monitoring apparatus based on surface acoustic wave techniques, packet
It includes and is set to train head and controls indoor Host Supervision System, be set to the signal reader of each compartment bottom and be mounted on
Surface acoustic wave sensing network on the axle of each compartment bottom, surface acoustic wave sensing network are read and write using radio frequency identification and signal
Device connection, signal reader are connect by wireless network with Host Supervision System.The present invention is a kind of based on surface acoustic wave techniques
Train axle state monitoring apparatus can complete the comprehensive real-time monitoring to train axle state, and carry out shifting to an earlier date for failure
The accurate positionin of early warning and abort situation, and without being laid with cable or fiber optic communications in compartment.
2, Patent No. CN201621080407.0, entitled " the train axle state prison based on wireless sourceless sensor
The utility model patent of survey device ", which disclose a kind of, and the train axle status monitoring based on wireless sourceless sensor fills
Set, including be set to train head control indoor Host Supervision System, be set to each compartment bottom signal reader and
The surface acoustic wave sensing network being mounted on the axle of each compartment bottom, surface acoustic wave sensing network utilize radio frequency identification and letter
The connection of number reader, signal reader are connect by wireless network with Host Supervision System.The present invention is based on wireless and passive sensings
The train axle state monitoring apparatus of device can complete the comprehensive real-time monitoring to train axle state, and carry out failure
The accurate positionin to give warning in advance with abort situation, and without being laid with cable or fiber optic communications in compartment
3, Patent No. CN201610563239.9, it is entitled " railway freight-car bearing temperature monitoring circuit and its monitoring method "
Patent of invention, which disclose a kind of railway freight-car bearing temperature monitoring circuit, the temperature including being fixed on each compartment is adopted
Collect unit, it is characterised in that: the temperature collecting cell includes sensor module, processor module, wireless transport module and work
Make power supply, the signal output end of the sensor module is connected with the signal input part of processor module, the processor module
Signal output end realized and be wirelessly connected by wireless transport module and train head controller, the working power and processor die
Block connection.
Although some has been related to the method for wagon axle temperature monitoring to these above-mentioned patents, but some is still using active side
Formula is detected, so will be unable to the institute for implementing, and being proposed now for the vehicle as the not no power supply of railroad train this kind
Passive detection mode is called, such as Patent No. CN201621080407.0, entitled " the train vehicle based on wireless sourceless sensor
The utility model patent of Spindle Status monitoring device ", though be known as be it is passive, read over the patent it can be found that the patent
The wireless transmission method taken only still is transmitted to the signal between sensor and control system, signal is realized by wireless network
Reader is connect with Host Supervision System, and wireless network, using wireless ZigBee-network, this kind of network is only applicable to
Closely, it uses the case where low complex degree, so being at most only suitable for the data transmitting between separate unit train, is not particularly suited for
The big data of axle monitors；So-called passive sensor is using wireless and passive single ended resonant type SAW sensor, so in reality
Among it can be found that this transmission mode be unworkable.Patent No. CN201610563239.9, entitled " railway freight-car
Bearing temperature monitoring circuit and its monitoring method " passes through though proposing a kind of railway freight-car bearing temperature monitoring circuit and its monitoring method
It reads over it can be found that also not having practicability, therefore still need further to be improved.
Summary of the invention
It is an object of the invention to propose a kind of new railway goods for deficiency present in existing railway freight-car shaft monitoring
Axle monitoring method, this kind of monitoring method is that lorry axle health status monitoring system is set up using Internet of Things, and real
The central monitoring control of existing lorry axle health status monitoring big data.
The above-mentioned lorry axle health status prison established based on Internet of things system is utilized the invention further relates to a kind of
Survey method is formed by lorry axle health status monitoring system and device.
In order to reach this purpose, technical solution proposed by the invention is: a kind of track based on NB-IoT Internet of Things
Vehicle Axles health status intelligent monitoring method carries out rail vehicle axle health status monitoring data using NB-IoT Internet of Things
Transmission, by each axle all installation have NB-IoT Internet of Things transmission module axle health monitoring device, lead to
It crosses NB-IoT transmission module and axle health monitoring device is uploaded to monitoring center, sentenced by monitoring center according to data are uploaded
Disconnected axle health status, and handled in due course, realize the timely monitor of rail vehicle axle health status.
Further, the transmission that rail vehicle axle health status detection data is carried out using Internet of Things is every
A NB-IoT Internet of Things passive detection mould group, NB-IoT Internet of Things passive detection mould group is arranged in a piece rail vehicle next to axis
Timely monitor is carried out to the health status of axle, and monitoring data are uploaded into monitoring center by Internet of Things, by monitoring center
Each axle health data of upload is analyzed, unsound axle is determined by analysis, and by unhealthy axle
Driver's control room of train where situation is sent to axle carries out disposition appropriate by vehicle of the driver to unhealthy axle.
Further, the NB-IoT Internet of Things passive detection mould group is sensor module, MCU module, NB-IoT object
Intelligent terminal that connected network communication module, power management module integrate integrates mould group, and sensor module is by temperature, vibration etc.
Physical signal is converted into electric signal, is saved temperature and vibration information to MCU by ADC interface and bus interface；NB-IoT
Internet of Things communication module is responsible in due course uploading the data of module；Passive detection module group assembling is in a degree of protection IP62's
In firm box, its box is fixed on the position that bogie is specified near axle end, NB-IoT Internet of Things passive detection mould group
Timely monitor is carried out to the health status of axle.
Further, the NB-IoT Internet of Things passive detection mould group, which carries out timely monitor to the health status of axle, is
By the temperature and vibrating sensor or brake-pressure sensor in integrated mould group terminal, carried out in vehicle operation real-time
Sampling, and data and result are reported into monitoring center by narrowband NB-IoT Internet of Things, it realizes realtime monitoring, mentions in time
Monitoring center monitoring vehicle of waking up causes axis since Vehicle Axles Bearing inner damages, stress is unreasonable in the process of running
Phenomena such as holding excessive parts wear, damage, clamping stagnation leads to safety accident to prevent axle heating accident；Pass through the big of acquisition
Data carry out distributed computing, and artificial intelligence machine study is carried out within training period, and analysis obtains adaptive threshold and its
The condition parameter of his reference axis reaches prevention Vehicle Axles fever (that is: hot axis phenomenon) failure, it is ensured that rail vehicle safe operation
Purpose.
Further, it is described by data and result by narrowband NB-IoT Internet of Things report to client server end be by
Passive detection mould group uploads data according to following principles；
If temperature, vibration etc. are not up to the alarm threshold being arranged, passive detection mould group is only according to the set time
Section, timing upload data；
If temperature or vibration have reached the alarm threshold of setting, continuously current information state is reported to set into immediately
Application server is entreated, until central application server confirmation receives signal, and until dealing with；
It is sent successfully in data, and after processing, NB-IoT Internet of Things passive detection mould group then enters suspend mode, under
The sampling period time-out being once arranged, which wakes up, executes step.
It is further, described that monitoring data are wirelessly passed through to NB-IoT Internet of Things to upload to monitoring center is to contain
There is the integrated mould group of the intelligent terminal of NB-IoT Internet of Things module, the bearing bracket stand in compartment is mounted on by integrated shell mechanism
On, MCU therein collects bearing temperature and vibration information data by ADC interface sample temperature, vibration sensor signal,
And communicated by Internet of Things communication module with the NB-IoT Internet of Things base station of monitoring center, NB-IoT Internet of Things base station receives
Application server will be provided to, answer by passing through packet-based core networks and IOT connection management platform processes, monitoring data after data
With server monitoring data can be obtained by the NB-IoT Internet of Things base station at three kinds of mode access monitoring centers；One administrator can
By the monitoring software of monitoring center, secondly train operator can be accessed by mobile phone 3G/4G signal, thirdly on-site maintenance people
Member can then log in WEB access by notebook, understand the health status of axle.
Further, it is the NB-IoT by monitoring center that described each axle health data to upload, which carries out analysis,
Internet of Things base station is in due course to the data uploaded by Internet of Things communication network according to the basic parameter of set axle health status
Standard is compared, and when the data compared out are higher than set standard value, confirmation axle health status is asked
Topic, and graduation processing is carried out according to the seriousness of problem.
Further, train operator's control room where the situation by unhealthy axle is sent to is in monitoring
After the heart finds that axle goes wrong by the analysis of health status, vehicle will be notified by NB-IoT Internet of Things or special purpose railroad road
Train operator's control room where axis, driver are handled according to the seriousness of problem according to identified standard requirements.
Further, the driver handle according to identified standard requirements and be divided into according to the seriousness of problem
Repair in shop reason is repaired in concern, inspection, and three kinds of direct parking maintenance is only paid close attention to, reached when just there is axle health failure
More serious situation will be sent to repair shop and overhaul, if occurring catastrophe failure in operation, direct parking is examined
It repairs.
One kind being based on Internet of Things rail vehicle axle health status monitoring system, including NB-IoT Intelligent terminal for Internet of things collection
At mould group, NB-IoT Internet of Things base station and monitoring center and application server, NB-IoT Intelligent terminal for Internet of things integrates mould group
It being communicated by NB-IoT Internet of Things base station and monitoring center, monitoring center and application server pass through NB-IoT Internet of Things base station,
Or other wide area network communications.
Further, it includes sensor module, MCU module, NB- that the NB-IoT Intelligent terminal for Internet of things, which integrates mould group,
IoT Internet of Things communication module, power management module, various modules integrate to form the integrated mould group of intelligent terminal；Sensor
Physical signals such as temperature, vibrations are converted electric signal by module, by ADC interface and bus interface by temperature and vibration information
It saves to MCU；NB-IoT Internet of Things communication module is responsible in due course uploading the data of module；Passive detection module group assembling is at one
Degree of protection is fixed on the position that bogie is specified near axle end, NB-IoT object in the firm box of IP62, by its box
Passive detection mould group of networking carries out timely monitor to the health status of axle.
Further, the monitoring center includes NB-IoT Internet of Things packet-based core networks and NB-IoTIOT connection management
Platform；NB-IoT Intelligent terminal for Internet of things integrates mould group and passes through NB-IoT Internet of Things base station and NB-IoT Internet of Things block core
Net, NB-IoTIOT connection management platform and application server communication, and NB-IoT Intelligent terminal for Internet of things is integrated into the monitoring of mould group
Axle health status data be uploaded to management platform.
The present invention has the advantages that
The present invention is in utilization NB-IoT Internet of Things to rolling stock axle (including bearing) health status and vehicle braking shape
State monitoring system is monitored, and mainly has following characteristics:
1, driver and ground rail scheduling system can grasp Vehicle Axles (including bearing) health status and vehicle in real time
The safe operation of on-position carries out early warning or alarm to failure.
2, vehicle real time position and management and running can be determined.
3, it can be achieved to establish its health monitoring historical record and big data analysis judgement and management system.
4, to mould group (including digital sensors such as temperature, 3D acceleration and pressure, MCU, communication chip, lithium battery
Source etc.) the progress real-time management such as internal fault and power supply deficiency.
Detailed description of the invention
Fig. 1 is present system schematic illustration；
Fig. 2 is that the NB-IoT Intelligent terminal for Internet of things of Fig. 1 integrates modular structure schematic block diagram；
Fig. 3 is operating system schematic diagram of the present invention；
Fig. 4 is present system operation process chart.
Specific embodiment
It is next in the following with reference to the drawings and specific embodiments that the present invention is further explained.
Embodiment one
By attached drawing as can be seen that the present invention relates to one kind to be based on Internet of Things rail vehicle axle health status monitoring system
System, including NB-IoT Intelligent terminal for Internet of things integrate mould group, NB-IoT Internet of Things base station and monitoring center and application service
Device, NB-IoT Intelligent terminal for Internet of things integrate mould group and are communicated by NB-IoT Internet of Things base station and monitoring center, monitoring center with
Application server is communicated by NB-IoT Internet of Things base station or other wide area networks.
It includes sensor module, MCU module, NB-IoT Internet of Things that the NB-IoT Intelligent terminal for Internet of things, which integrates mould group,
Communication module, power management module, various modules integrate to form the integrated mould group of intelligent terminal；Sensor module will be warm
The physical signals such as degree, vibration are converted into electric signal, by ADC interface and bus interface by temperature and vibration information save to
MCU；NB-IoT Internet of Things communication module is responsible in due course uploading the data of module；Passive detection module group assembling is in protection etc.
Grade is fixed on the specified position of bogie near axle end in the firm box of IP62, by its box, NB-IoT Internet of Things without
It detects mould group and timely monitor is carried out to the health status of axle in source.
The monitoring center includes NB-IoT Internet of Things packet-based core networks and NB-IoTIOT connection management platform；NB-
IoT Intelligent terminal for Internet of things integrates mould group and passes through NB-IoT Internet of Things base station and NB-IoT Internet of Things packet-based core networks, NB-
IoTIOT connection management platform and application server communication, and NB-IoT Intelligent terminal for Internet of things is integrated into the axle that mould group monitors
Health status data are uploaded to management platform.
Entire monitoring system is mainly to rolling stock axle (including bearing) health status and vehicle braking status monitoring system
System is tentatively described, and following function is mainly completed:
1.1 drivers and ground rail scheduling system grasp Vehicle Axles (including bearing) health status and vehicle system in real time
The safe operation of dynamic state carries out early warning or alarm to failure.
1.2 determine vehicle real time position and management and running.
1.3 establish its health monitoring historical record and big data analysis judgement and management system.
1.4 pairs of mould groups (including the digital sensors such as temperature, 3D acceleration and pressure, MCU, communication chip, lithium battery
Power supply etc.) the progress real-time management such as internal fault and power supply deficiency.
The composition frame of Vehicle Axles monitoring system as shown in Figure 1, whole system mainly by the passive inspection of NB-IoT Internet of Things
Survey the compositions such as mould group and the base station NB-IOT, NB-IOT packet-based core networks, IOT connection management platform and application server
NB-IOT network side is constituted.
Its groundwork process is that NB-IoT Internet of Things passive detection mould group is mounted on by its integrated shell mechanism
On the bearing bracket stand in compartment, MCU therein collects bearing temperature and vibration by ADC interface sample temperature, vibration sensor signal
Dynamic information data, and communicated by NB-IOT communication module with the base station NB-IOT, the base station NB-IOT passes through after receiving data
Application server will be provided to by crossing packet-based core networks and IOT connection management platform, monitoring data, can be visited by three kinds of modes
Ask that server obtains monitoring data, administrator can be believed by the monitoring software of monitoring center, train operator by mobile phone 3G/4G
It number accesses, field maintenance person can then pass through notebook and log in WEB access.
NB-IoT Internet of Things passive detection mould group mainly includes sensor module, MCU, NB-IOT communication module, power supply
Management etc..Physical signals such as temperature, vibrations are converted electric signal by sensor module, will be warm by ADC interface and bus interface
Degree and vibration information are saved to MCU；MCU is then mainly responsible for sample temperature and vibration information data and battery capacity,
And will judge after the information processings such as temperature, vibration and battery capacity, if judge axis break down, by AT order/
Judging result and one week historical data are sent to NB-IOT communication module by UART interface；NB-IOT communication module is responsible for and nothing
Gauze network is communicated；Power supply uses low temperature lithium battery, and operating temperature range is -20 DEG C ~ 60 DEG C, can support quick charge；NB-
IOT network side includes the base station NB-IOT, NB-IOT packet-based core networks, IOT connection management platform and industry application server.
Wherein base station, packet-based core networks and IOT connection management platform be all belong to cellular carrier resource, and application server then by
Third party industry customer self-developing and maintenance.
The main function of IOT connection management platform is: providing the data acquisition to various sensors, SIM card, manages function
Can, while giving data opening to third-party application system, allow various applications can be with the internet of things service of rapid build oneself.
Vehicle Axles health monitoring intelligent terminal system application as shown in figure 3, have in this use-case model setting parameter,
It periodically reports, Warning alarm, query information, stop monitoring use-case, wherein periodically reporting, alerting and report and query information
Rely on information collection use-case, information collection use-case then contain electricity monitoring, vibration information acquisition and application server and
Two roles of field maintenance person；Concrete operations are as follows:
1, parameter setting
2 information reportings
The inquiry of 3 information
4 stop business
Whole system workflow is as shown in Fig. 4.
Above-mentioned listed embodiment, only carries out clear, complete description to technical solution of the present invention in conjunction with attached drawing；It is aobvious
So, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
It can be seen from above-described embodiment that the invention further relates to a kind of rail vehicle axles based on NB-IoT Internet of Things
Health status intelligent monitoring method carries out the transmission of rail vehicle axle health status monitoring data using NB-IoT Internet of Things,
The axle health monitoring device for having NB-IoT Internet of Things transmission module is all installed by each axle, passes through NB-IoT
Axle health monitoring device is uploaded to monitoring center by transmission module, judges that axle is good for according to data are uploaded by monitoring center
Health situation, and handled in due course, realize the timely monitor of rail vehicle axle health status.
Further, the transmission that rail vehicle axle health status detection data is carried out using Internet of Things is every
A NB-IoT Internet of Things passive detection mould group, NB-IoT Internet of Things passive detection mould group is arranged in a piece rail vehicle next to axis
Timely monitor is carried out to the health status of axle, and monitoring data are uploaded into monitoring center by Internet of Things, by monitoring center
Each axle health data of upload is analyzed, unsound axle is determined by analysis, and by unhealthy axle
Driver's control room of train where situation is sent to axle carries out disposition appropriate by vehicle of the driver to unhealthy axle.
Further, the NB-IoT Internet of Things passive detection mould group is sensor module, MCU module, NB-IoT object
Intelligent terminal that connected network communication module, power management module integrate integrates mould group, and sensor module is by temperature, vibration etc.
Physical signal is converted into electric signal, is saved temperature and vibration information to MCU by ADC interface and bus interface；NB-IoT
Internet of Things communication module is responsible in due course uploading the data of module；Passive detection module group assembling is in a degree of protection IP62's
In firm box, its box is fixed on the position that bogie is specified near axle end, NB-IoT Internet of Things passive detection mould group
Timely monitor is carried out to the health status of axle.
Further, the NB-IoT Internet of Things passive detection mould group, which carries out timely monitor to the health status of axle, is
By the temperature and vibrating sensor or brake-pressure sensor in integrated mould group terminal, carried out in vehicle operation real-time
Sampling, and data and result are reported into monitoring center by narrowband NB-IoT Internet of Things, it realizes realtime monitoring, mentions in time
Monitoring center monitoring vehicle of waking up causes axis since Vehicle Axles Bearing inner damages, stress is unreasonable in the process of running
Phenomena such as holding excessive parts wear, damage, clamping stagnation leads to safety accident to prevent axle heating accident；Pass through the big of acquisition
Data carry out distributed computing, and artificial intelligence machine study is carried out within training period, and analysis obtains adaptive threshold and its
The condition parameter of his reference axis reaches prevention Vehicle Axles fever (that is: hot axis phenomenon) failure, it is ensured that rail vehicle safe operation
Purpose.
Further, it is described by data and result by narrowband NB-IoT Internet of Things report to client server end be by
Passive detection mould group uploads data according to following principles；
If temperature, vibration etc. are not up to the alarm threshold being arranged, passive detection mould group is only according to the set time
Section, timing upload data；
If temperature or vibration have reached the alarm threshold of setting, continuously current information state is reported to set into immediately
Application server is entreated, until central application server confirmation receives signal, and until dealing with；
It is sent successfully in data, and after processing, NB-IoT Internet of Things passive detection mould group then enters suspend mode, under
The sampling period time-out being once arranged, which wakes up, executes step.
It is further, described that monitoring data are wirelessly passed through to NB-IoT Internet of Things to upload to monitoring center is to contain
There is the integrated mould group of the intelligent terminal of NB-IoT Internet of Things module, the bearing bracket stand in compartment is mounted on by integrated shell mechanism
On, MCU therein collects bearing temperature and vibration information data by ADC interface sample temperature, vibration sensor signal,
And communicated by Internet of Things communication module with the NB-IoT Internet of Things base station of monitoring center, NB-IoT Internet of Things base station receives
Application server will be provided to, answer by passing through packet-based core networks and IOT connection management platform processes, monitoring data after data
With server monitoring data can be obtained by the NB-IoT Internet of Things base station at three kinds of mode access monitoring centers；One administrator can
By the monitoring software of monitoring center, secondly train operator can be accessed by mobile phone 3G/4G signal, thirdly on-site maintenance people
Member can then log in WEB access by notebook, understand the health status of axle.
Further, it is the NB-IoT by monitoring center that described each axle health data to upload, which carries out analysis,
Internet of Things base station is in due course to the data uploaded by Internet of Things communication network according to the basic parameter of set axle health status
Standard is compared, and when the data compared out are higher than set standard value, confirmation axle health status is asked
Topic, and graduation processing is carried out according to the seriousness of problem.
Further, train operator's control room where the situation by unhealthy axle is sent to is in monitoring
After the heart finds that axle goes wrong by the analysis of health status, vehicle will be notified by NB-IoT Internet of Things or special purpose railroad road
Train operator's control room where axis, driver are handled according to the seriousness of problem according to identified standard requirements.
Further, the driver handle according to identified standard requirements and be divided into according to the seriousness of problem
Repair in shop reason is repaired in concern, inspection, and three kinds of direct parking maintenance is only paid close attention to, reached when just there is axle health failure
More serious situation will be sent to repair shop and overhaul, if occurring catastrophe failure in operation, direct parking is examined
It repairs.
One kind being based on Internet of Things rail vehicle axle health status monitoring system, including NB-IoT Intelligent terminal for Internet of things collection
At mould group, NB-IoT Internet of Things base station and monitoring center and application server, NB-IoT Intelligent terminal for Internet of things integrates mould group
It being communicated by NB-IoT Internet of Things base station and monitoring center, monitoring center and application server pass through NB-IoT Internet of Things base station,
Or other wide area network communications.
Further, it includes sensor module, MCU module, NB- that the NB-IoT Intelligent terminal for Internet of things, which integrates mould group,
IoT Internet of Things communication module, power management module, various modules integrate to form the integrated mould group of intelligent terminal；Sensor
Physical signals such as temperature, vibrations are converted electric signal by module, by ADC interface and bus interface by temperature and vibration information
It saves to MCU；NB-IoT Internet of Things communication module is responsible in due course uploading the data of module；Passive detection module group assembling is at one
Degree of protection is fixed on the position that bogie is specified near axle end, NB-IoT object in the firm box of IP62, by its box
Passive detection mould group of networking carries out timely monitor to the health status of axle.
Further, the monitoring center includes NB-IoT Internet of Things packet-based core networks and NB-IoTIOT connection management
Platform；NB-IoT Intelligent terminal for Internet of things integrates mould group and passes through NB-IoT Internet of Things base station and NB-IoT Internet of Things block core
Net, NB-IoTIOT connection management platform and application server communication, and NB-IoT Intelligent terminal for Internet of things is integrated into the monitoring of mould group
Axle health status data be uploaded to management platform.
The present invention has the advantages that
The present invention is in utilization NB-IoT Internet of Things to rolling stock axle (including bearing) health status and vehicle braking shape
State monitoring system is monitored, and mainly has following characteristics:
1, driver and ground rail scheduling system can grasp Vehicle Axles (including bearing) health status and vehicle in real time
The safe operation of on-position carries out early warning or alarm to failure.
2, vehicle real time position and management and running can be determined.
3, it can be achieved to establish its health monitoring historical record and big data analysis judgement and management system.
4, to mould group (including digital sensors such as temperature, 3D acceleration and pressure, MCU, communication chip, lithium battery
Source etc.) the progress real-time management such as internal fault and power supply deficiency.
Claims (4)
1. one kind is based on NB-IoT net rail vehicle Spindle Status monitoring method, rail vehicle is carried out using NB-IoT Internet of Things
The transmission of axis health status monitoring data, it is characterised in that: all installation is transmitted with NB-IoT Internet of Things by each axle
Axle health monitoring device is uploaded to monitoring by NB-IoT transmission module by the axle health monitoring device of module
Center judges axle health status according to data are uploaded by monitoring center, and is handled in due course, realizes that rail vehicle axle is strong
The timely monitor of health state；The transmission that rail vehicle axle health status detection data is carried out using NB-IoT Internet of Things
It is that one NB-IoT Internet of Things passive detection mould group, the passive inspection of NB-IoT Internet of Things are set in each rail vehicle next to axis
It surveys mould group and timely monitor is carried out to the health status of axle, and monitoring data are uploaded in monitoring by NB-IoT Internet of Things
The heart is analyzed by each the axle health data of monitoring center to upload, determines unsound axle by analysis, and will
Driver's control room of train, is fitted by vehicle of the driver to unhealthy axle where the situation of unhealthy axle is sent to axle
When disposition；The NB-IoT Internet of Things passive detection mould group is sensor module, MCU module, NB-IoT Internet of Things Network Communication
Intelligent terminal that module, power management module integrate integrates mould group, and sensor module is by physical signals such as temperature, vibrations
It is converted into electric signal, is saved temperature and vibration information to MCU by ADC interface and bus interface；NB-IoT Internet of Things Netcom
Letter module is responsible in due course uploading the data of module；Passive detection module group assembling a degree of protection IP62 firm box
It is interior, its box is fixed on the position that bogie is specified near axle end, NB-IoT Internet of Things passive detection mould group is to axle
Health status carries out timely monitor；The NB-IoT Internet of Things passive detection mould group supervises the health status of axle in due course
Survey is carried out in vehicle operation by the temperature and vibrating sensor or brake-pressure sensor in integrated mould group terminal
Real-time sampling, and data and result are reported into monitoring center by narrowband NB-IoT Internet of Things, realize realtime monitoring, and
When remind monitoring center monitoring vehicle in the process of running because of situations such as the damage of Vehicle Axles Bearing inner, stress is unreasonable draws
Phenomena such as playing parts of bearings excessive wear, damage, clamping stagnation, to prevent axle heating accident, leads to safety accident；Pass through acquisition
Big data carry out distributed computing, and within training period carry out artificial intelligence machine study, analysis obtain adaptive threshold
With the condition parameter of other reference axis, reach prevention Vehicle Axles fever, it may be assumed that hot axis phenomenon failure, it is ensured that rail vehicle safety
The purpose of operation；It is described that monitoring data are uploaded to monitoring center by NB-IoT Internet of Things is containing NB-IoT Internet of Things mould
The integrated mould group of the intelligent terminal of block, is mounted on the bearing bracket stand in compartment, MCU therein passes through by integrated shell mechanism
ADC interface sample temperature, vibration sensor signal collect bearing temperature and vibration information data, and by NB-IoT Internet of Things
Communication module is communicated with the NB-IoT Internet of Things base station of monitoring center, and NB-IoT Internet of Things base station passes through after receiving data
Application server will be provided to by crossing packet-based core networks and IOT connection management platform processes, monitoring data, and application server can
Monitoring data is obtained by the NB-IoT Internet of Things base station at three kinds of mode access monitoring centers；One administrator can be by monitoring
The monitoring software of the heart, secondly train operator can be accessed by mobile phone 3G/4G signal, thirdly field maintenance person can then pass through
Notebook logs in WEB access, understands the health status of axle.
2. being based on NB-IoT net rail vehicle Spindle Status monitoring method as described in claim 1, it is characterised in that: described
By data and result by narrowband NB-IoT Internet of Things report to monitoring center be by passive detection mould group according to it is following in principle
Pass data；
If temperature, vibration etc. are not up to the alarm threshold being arranged, passive detection mould group is fixed only according to the set period
Shi Shangchuan data；
If temperature or vibration have reached the alarm threshold of setting, continuously reports current information state to set to center immediately and answer
With server, until central application server confirmation receives signal, and until dealing with；
It is sent successfully in data, and after processing, NB-IoT Internet of Things passive detection mould group then enters suspend mode, until next time
The sampling period time-out of setting, which wakes up, executes step.
3. being based on NB-IoT net rail vehicle Spindle Status monitoring method as described in claim 1, it is characterised in that: described
Carrying out analysis to each axle health data of upload is the NB-IoT Internet of Things base station by monitoring center in due course to by NB-
The data that IoT Internet of Things communication network uploads are compared point according to the basic parameter standard of set axle health status
Analysis, when the data compared out are higher than set standard value, confirmation axle health status goes wrong, and according to problem
Seriousness carries out graduation processing.
4. it is a kind of using described in claim 1 based on NB-IoT net rail vehicle Spindle Status monitoring method based on NB-IoT net
Rail vehicle Spindle Status monitors system, it is characterised in that: integrates mould group, NB-IoT object including NB-IoT Intelligent terminal for Internet of things
Internet base station and monitoring center and application server, NB-IoT Intelligent terminal for Internet of things integrate mould group and pass through NB-IoT Internet of Things
It nets base station and monitoring center communicates, monitoring center and application server pass through NB-IoT Internet of Things base station or other wide area Netcoms
News；It includes sensor module, MCU module, NB-IoT Internet of Things Network Communication that the NB-IoT Intelligent terminal for Internet of things, which integrates mould group,
Module, power management module, various modules integrate to form the integrated mould group of intelligent terminal；Sensor module by temperature, vibration
It is dynamic that physical signals is waited to be converted into electric signal, temperature and vibration information are saved to MCU by ADC interface and bus interface；NB-
IoT Internet of Things communication module is responsible in due course uploading the data of module；Passive detection module group assembling exists in a degree of protection
In the firm box of IP62, its box is fixed on the position that bogie is specified near axle end, the passive inspection of NB-IoT Internet of Things
It surveys mould group and timely monitor is carried out to the health status of axle；The monitoring center include NB-IoT Internet of Things packet-based core networks and
IOT connection management platform；NB-IoT Intelligent terminal for Internet of things integrates mould group and passes through NB-IoT Internet of Things base station and NB-IoT Internet of Things
Net packet-based core networks, IOT connection management platform and application server communication, and NB-IoT Intelligent terminal for Internet of things is integrated into mould group
The axle health status data of monitoring are uploaded to management platform.
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