CN206095189U - Train pneumatic braking machine effect wireless monitoring system based on MEMS - Google Patents
Train pneumatic braking machine effect wireless monitoring system based on MEMS Download PDFInfo
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Abstract
The utility model provides a train pneumatic braking machine effect wireless monitoring system based on MEMS especially provides one kind and is applied to transportation's the railway train based on MEMS, the wireless monitoring system of urban rail transit train moderate -altitude orbit vehicle pneumatic braking machine effect. This system by install vehicle sensing device node on rail vehicle, install the locomotive monitoring devices node on the track locomotive and the ground monitoring devices node installed on train technique space for maintenance is formed. Vehicle sensing device node passes through MEMS numeral distance sensor and gathers rail vehicle pneumatic braking machine checking cylinder piston stroke, then give locomotive monitoring devices node through jumping the monitoring data transmission that self -organizing wireless network will gather more, the monitoring data transmission that then will gather when train technique space for maintenance overhauls when the train gives the ground monitoring device node, thereby realize the real -time supervision to train moderate -altitude orbit vehicle pneumatic braking machine checking cylinder piston stroke, every rail vehicle pneumatic braking machine effect in the accurate grasp train, satisfy the train operation and control needs, discover in time that angle cock closes, the pneumatic braking machine acts on troubles such as bad.
Description
Technical field
This utility model is related to a kind of train air brake based on MEMS and acts on wireless monitor system, more particularly to
It is a kind of to be applied to making based on the railroad train of MEMS, urban railway transit train middle orbit vehicle air brake machine for transportation
Wireless monitor system.
Background technology
At present, railroad train, urban railway transit train not yet install the monitoring device of air damper effect.Railcar
Whether the effect of air damper is well to be braked when machine is tested to be confirmed by hand inspection in train technical space for maintenance,
Jing train technical space for maintenances are braked the train of machine test, it is ensured that air damper effect of the train before Zhongdao is good
It is good.When train on the way runs, without real-time monitoring, train is in traveling, speed governing, stop on the way for the effect of rail vehicle air damper
In, occur that rail vehicle air damper is not braking, natural remission, do not alleviate, the failure such as spontaneous braking can not find in time, he endangers
And train safety.Because the effect of rail vehicle air damper has uncertainty, it is braked in train technical space for maintenance
Function well when machine is tested, may have an effect at any time bad error in operation way.
Train will carry out the braking of sensitivity test, alleviate when train technical space for maintenance is braked machine total Test,
The projects such as braking, the alleviation of stable pressurize test, rail vehicle air damping is confirmed by several inspection personnel segmentation by an inspection
The operative condition of machine each test, situation is more for erroneous judgement, high labor intensive, operating condition hardship, test period are long.Simultaneously as every
Name inspection personnel needs to run and checks more than ten, even tens rail vehicle air damper operative conditions of confirmation, it is impossible to do
Confirm to the inspection to each rail vehicle air damper effect overall process, can only check that confirmation air damper is acted on most
Whole state, does not reach the technical standard of brake total Test.
Now, wireless sensor network is the ten big emerging technologies exerted far reaching influence to human future life, and wireless
Sensor network lacks research in the application of track vehicle air brake machine malfunction monitoring.Some researchs for carrying out at present do not have
Practicality is solved the problems, such as, pressure sensor monitoring air pressure is installed in such as research on the two ends brake pipe of each rail vehicle
It is nonsensical, do not solve to meet railroad train, the wireless network of urban railway transit train long range Monitoring Data transmission and ask
Topic, focuses on studying in train technical space for maintenance air damper test monitoring and ignoring the air damper in train operation way
Effect monitored over time research, rail vehicle individual identification and wireless network organizational process lack research, for power free railway
For lorry, a fatal problem --- automobile wireless network node powerup issue is not solved.
The content of the invention
This utility model solve technical problem be：
In order to overcome the shortcomings of that train middle orbit vehicle air brake machine effect hand inspection confirms original job mode, solution
Certainly the monitored over time of train operation way middle orbit vehicle air brake machine effect, solves automobile wireless network node and monitors over long distances
A difficult problem for data transfer, solves the bottleneck that power free goods train vehicle wireless network node is powered, and this utility model is provided
A kind of train air brake based on MEMS acts on wireless monitor system.
The technical solution adopted in the utility model is：
In track vehicle air brake machine, each checking cylinder installs vehicle sensory device node, in each driver of rail locomotive
Locomotive monitoring device node is installed in room, and in train technical space for maintenance sensing chamber ground monitoring device node is installed.Train is on way
During middle operation, locomotive monitoring device node constitutes multi-hop certainly with the vehicle sensory device node of this train by wireless communication module
Hoc wireless networks, carry out the transmission of train Monitoring Data and relevant information.Train when train technical space for maintenance is overhauled, ground
Face monitoring device node constitutes multi-hop ad hoc wireless network with the vehicle sensory device node of this train by wireless communication module
Network, carries out the transmission of train Monitoring Data and relevant information.For outbound train is before setting out, locomotive monitoring device node with ground
Face monitoring device node composition ad hoc deployed wireless networks, send, receive train marshalling list information.For arrival train after arrival,
Ground monitoring device node constitutes ad hoc deployed wireless networks with locomotive monitoring device node, sends, receives monitored over time data.
Vehicle sensory device node is single by the supply of data acquisition unit, data processing unit, data transmission unit and electric energy
Unit's composition.The MEMS digital distance sensor acquisition rail vehicle air systems of vehicle sensory device node Usage data collection unit
Motivation piston travel, the Monitoring Data for collecting is processed through the microcontroller of data processing unit, microstorage deposits
Storage, is then transmitted using the wireless communication module of data transmission unit by multi-hop ad hoc wireless network.Vehicle sensory
Electric energy needed for device node, for having power rail vehicle by rail vehicle electric power system, through the electric energy of electric energy feeding unit
Management module blood pressure lowering, rectification, are that vehicle sensory device node is powered；For non-transformer rail vehicle by electric energy feeding unit forever
Magnetic linear electric generator, piezoelectric vibration power generation machine are generated electricity, and through the boosting of electric energy management module, rectification, are stored in using super
It is that vehicle sensory device node is powered in the power storage module of capacitor.
Vehicle sensory device node permanent magnet linear generator is by rail vehicle air damper brake cylinder front cover
Stator（It is i.e. primary）, mover on rail vehicle air damper brake cylinder piston rod（It is i.e. secondary）Composition.Stator
Mainly be made up of stator core, the permanent magnet of neodymium iron boron, stator coil, mover mainly by mover yoke, engineering plastics it is diamagnetic
Property material composition.Stator is fixed on brake cylinder front cover, is compressed by checking cylinder release spring, and mover is fixed on brake cylinder piston rod
On.When air damper braking, alleviation, i.e., together move with mover when air damper brake cylinder piston rod stretches out, retracts
It is dynamic, relative motion is produced between mover and stator, alternating flux is produced in stator core, so as to produce electricity in stator coil
Stream.Vehicle sensory device node piezoelectric vibration power generation machine is arranged on rail vehicle air damper brake cylinder front cover, using rail
Vehicle operating vibration in road is generated electricity.
Locomotive monitoring device node is by data acquisition unit, data processing unit, data transmission unit, input-output unit
With electric energy feeding unit composition.The MEMS digital pressure sensors collection row of locomotive monitoring device node Usage data collection unit
Air pressure in the brake pipe of Herba Plantaginis end, using the wireless communication module of data transmission unit the row that train tail apparatus send are received
Air pressure in tailstock portion brake pipe, at the same using data transmission unit wireless communication module by multi-hop ad hoc without
Gauze network receives the Monitoring Data that vehicle sensory device node sends.Microcontroller of every Monitoring Data through data processing unit
Device process, microstorage storage, are then shown in real time using the display of input-output unit.To train front end and train
Abnormal air pressure, the monitoring number that rail vehicle air damper piston travel is abnormal in tail brake supervisor
According to carrying out the warning of image, sound using the display of input-output unit, buzzer.The input of locomotive monitoring device node is defeated
Go out unit and be provided with key-press module, for calling locomotive monitoring device node various functions.Locomotive monitoring device node is by track machine
Car electric power system, is that locomotive monitoring device node is powered through electric energy management module blood pressure lowering, the rectification of electric energy feeding unit.Machine
Car monitoring device node is provided with satellite time transfer module, for the automatic calibration of node time and Beijing time.
Locomotive monitoring device node display shows train front braking supervisor on screen using broken line graph coordinate form
Air pressure, rail vehicle air damper piston travel prison in interior air pressure, last vehicle of train brake pipe
Survey data, broken line graph with the time as X-axis, with pressure and stroke as Y-axis.For the ease of observation, in train front braking supervisor
Air pressure curve uses blue lines using red lines, the air pressure curve in last vehicle of train brake pipe.Locomotive is supervised
Survey device node display and show train marshalling list sequence list, train air brake brake efficiency using tabular form on screen
The data such as evaluation.
Ground monitoring device node is by data acquisition unit, microcomputer, data transmission unit, data transfer LAN
Network and electric energy feeding unit are constituted.The MEMS digital pressure sensors collection of ground monitoring device node Usage data collection unit
Air pressure in train front braking machine ground-testing plant long soft-pipe, is connect using the wireless communication module of data transmission unit
The air pressure in the last vehicle of train brake pipe that the wireless wind pressure monitoring device of last vehicle of train or train tail apparatus send is received, while making
Receive what vehicle sensory device node sent by multi-hop ad hoc wireless network with the wireless communication module of data transmission unit
Monitoring Data.Every Monitoring Data is entered through microcomputer process, storage, analysis to the Monitoring Data more than locomotive repair limit
Row report, and Monitoring Data is reported and submitted by data transfer LAN superior administration section.Ground monitoring device node sets
Have electric energy feeding unit, by industrial power supply through electric energy feeding unit electric energy management module blood pressure lowering, rectification, be ground prison
Survey device node correlation electricity consumption module for power supply.Ground monitoring device node is provided with satellite time transfer module, for node time and north
The automatic calibration of capital time.
Locomotive monitoring device node, ground monitoring device node are according to train marshalling list sequence list and the vehicle sensory of this train
Device node constitutes multi-hop ad hoc wireless network.Vehicle sensory device node adopts " vehicle number+accessory name code name+match somebody with somebody
Used as the title of wireless network node, locomotive monitoring device node is using " engine number+Hostname generation for suitable number of part orientation " combination
Number+main frame orientation along number " combination as wireless network node title, ground monitoring device node using " train technical overhaul
Title of the place code name " as wireless network node.Vehicle sensory device node working condition has experiment work pattern, response work
Operation mode, monitoring mode of operation, park mode.Locomotive monitoring device node working condition has experiment work pattern, inquiry work
Pattern, monitoring mode of operation.Ground monitoring device node working condition has experiment work pattern, inquiry mode of operation.Train exists
After composition, the vehicle sensory device node that locomotive monitoring device node or ground monitoring device node pass through this train of broadcast wakeup
Into relevant work pattern, complete to set up multi-hop ad hoc wireless network.
The beneficial effects of the utility model are：
This utility model adopts multi-hop ad hoc wireless network transmission technology, realizes to train middle orbit vehicle air brake
The real-time monitoring of machine piston travel, accurately grasps each rail vehicle air damper effect in train, meets train
Operation is manipulated to be needed, and the failures such as angle cock is closed, air damper effect is bad are found in time.Train is overhauled in train technical
When place is braked machine test, the automatic monitoring to the test of train middle orbit vehicle air brake machine is realized, save manpower, subtract
Light hand inspection confirms that labor intensity, compression train technical upkeep operation time, guarantee test data are accurate.
Rail vehicle air damper checking cylinder piston thrust is for by brake shoe（Or brake lining）Compress wheel tread（Or lock
Disk）Driving source.This utility model carries out generating and does not interfere with during railway wagon brake using very small part thrust
Railway wagon brake performance.By taking 70t railway freight-cars as an example, 70t railway freight-cars are used mostly 305 × 254 type checking cylinders, that is, brake
Cylinder inboard wall of cylinder block diameter 305mm, checking cylinder piston range 254mm.Air in train air brake brake pipe
When pressure is 500kPa, maximum effectively decompression amount is 140kPa, and the air pressure in checking cylinder is 355kPa to the maximum, and checking cylinder is lived
Plug maximum thrust is 26kN.In addition, checking cylinder release spring pre-compression force is 1kN.If we go to send out using the power of 0.5kN
Electricity, in piston travel 145mm, generator efficiency 80%, generated energy meets vehicle sensory device node up to 58J
One-shot measurement, a Monitoring Data to piston travel sends and needs.After generating terminates, checking cylinder piston can reach
To corresponding decompression amount thrust, brake force size is not affected, a minimal effect checking cylinder piston initial stage speed to introduce.
Description of the drawings
Below, this utility model further illustrated in conjunction with the accompanying drawings and embodiments.Drawings and Examples herein be for
To elaboration of the present utility model and explanation, do not constitute to improper restriction of the present utility model.
Fig. 1 is system pie graph of the present utility model.
Fig. 2 is vehicle sensory device joint structure figure of the present utility model.
Fig. 3 is non-transformer goods train vehicle sensing device node installation figure of the present utility model.
Fig. 4 is locomotive monitoring device joint structure figure of the present utility model.
Fig. 5 is locomotive monitoring device node display interface figure of the present utility model.
Fig. 6 is ground monitoring device joint structure figure of the present utility model.
Fig. 7 is working-flow figure of the present utility model.
In figure：
1- vehicle sensory device nodes；2- locomotive monitoring device nodes；3- ground monitoring device nodes.11- vehicles
Node data collecting unit；12- vehicle node data processing units；13- vehicle node data transmission units；14- vehicle sections
Point electric energy feeding unit；15- vehicle node MEMS digital distance sensors and interface circuit；16- vehicle node microcontrollers；
17- vehicle node microstorages；18- vehicle node wireless communication modules；19- vehicle node radio-frequency antennas；20- permanent magnetism is straight
Line electromotor；21- piezoelectric vibration power generation machines；22- vehicle node electric energy management modules；23- vehicle node power storage moulds
Block.31- brake cylinder bodies；32- brake cylinder front covers；33- checking cylinder pistons；34- brake cylinder piston rods；35- checking cylinders delay
Solution spring；36- vehicle node integration packaging blocks；37- permanent magnet linear generator stator cores；38- permanent magnet linear generators are forever
Magnet；39- permanent magnet linear generator stator coils；40- permanent magnet linear generator mover yokes；41- permanent magnet linear generators
Mover diamagnetic material；42- vehicle node integration packaging block glands.51- locomotive node data collecting units；52- locomotive sections
Point data processing unit；53- locomotive node data transmission units；54- locomotive node input-output units；55- locomotive nodes
Electric energy feeding unit；56- locomotive node M EMS digital pressure sensors and interface circuit；57- locomotive node microcontrollers；
58- locomotive node microstorages；59- locomotive node satellite time transfer modules；60- locomotive multi-node wireless communication modules；61- machines
Car node radio-frequency antenna；62- display and interface circuit；63- buzzers and interface circuit；64- key-press modules；65- machines
Car node electric energy management module.66- trains front braking is responsible for air pressure curve；67- last vehicle of train brake pipe's air
Pressure curve；68- piston travel curves.71- ground node data acquisition units；72- microcomputers；73-
Ground node data transmission unit；74- ground node data transfer LANs；75- ground node electric energy feeding units；
76- ground node MEMS digital pressure sensors and interface circuit；77- ground node satellite time transfer modules；Save on 78- ground
Point wireless communication module；79- ground node radio-frequency antennas；80- ground node electric energy management modules.
81- vehicle sensory device node workflows；82- locomotive monitoring device node workflows；Supervise on 83- ground
Survey device node workflow.
Specific embodiment
In FIG, in track vehicle air brake machine, each checking cylinder installs vehicle sensory device node 1, in track machine
Car each drivers' cab installs locomotive monitoring device node 2, and in train technical space for maintenance sensing chamber ground monitoring device section is installed
Point 3.When train on the way runs, according to train marshalling list sequence list, locomotive monitoring device node 2 is filled with the vehicle sensory of this train
Put node 1 and multi-hop ad hoc wireless network, vehicle sensory device node 1 and locomotive monitoring device are constituted by wireless communication module
Node 2 carries out the transmission of train Monitoring Data and relevant information.Train is compiled when train technical space for maintenance is overhauled according to train
Group sequence list, ground monitoring device node 3 constitutes multi-hop with the vehicle sensory device node 1 of this train by wireless communication module
Ad hoc deployed wireless networks, vehicle sensory device node 1 carries out train Monitoring Data and relevant information with ground monitoring device node 3
Transmission.For outbound train is before setting out, the composition self-organizing of locomotive monitoring device node 2 and ground monitoring device node 3 without
Gauze network, train marshalling list information is sent by ground monitoring device node 3 for locomotive monitoring device node 2.Exist for train is reached
After arrival, ground monitoring device node 3 constitutes ad hoc deployed wireless networks with locomotive monitoring device node 2, by locomotive monitoring device
Node 2 is that ground monitoring device node 3 sends monitored over time data.
In fig. 2, vehicle sensory device node is by data acquisition unit 11, data processing unit 12, data transmission unit
13 and electric energy feeding unit 14 constitute.The technical grade of vehicle sensory device node Usage data collection unit 11（Adapt to -55 DEG C
The use condition such as～+125 DEG C）MEMS digital distances sensor and the acquisition trajectory vehicle air brake mechanism of interface circuit 15
Dynamic cylinder piston stroke, the Monitoring Data for collecting is processed through the microcontroller 16 of data processing unit 12, microstorage 17 is deposited
Storage, the Monitoring Data content of storage includes：Date, time, train number, train marshalling list number, vehicle marshalling cis-position, vehicle
Number, accessory name code name, accessory orientation along number, piston travel, power storage module voltage, Monitoring Data send state
Deng.Then entered by multi-hop ad hoc wireless network using the wireless communication module 18 of data transmission unit 13, radio-frequency antenna 19
Row sends.Vehicle sensory device node should first receive the Monitoring Data of ordinary node transmission if leader cluster node, be stored in certainly
In body microstorage 17, then together it is transmitted together with the Monitoring Data of own node collection.Monitoring Data sends successfully, car
Sensing device node receives Monitoring Data and sends the feedback of the information such as successfully, the monitoring number behind every Monitoring Data that will be stored
It is successfully according to status indication is sent.MEMS digital distances sensor and interface circuit 15 can be sensed using magnetostrictive displacement
Device, laser distance sensor, electromagnetic wave class range sensor, displacement sensor for pull rope recognize that pre-buried radio-frequency (RF) tag position etc. is more
Sensor is planted, here using ultrasonic distance sensor.The transmission power of wireless communication module 18 is defined to 20dBm（I.e.
100mW）, operating frequency is here using 915MHz.Electric energy needed for vehicle sensory device node, for having power rail vehicle by rail
Road vehicle powering system, is vehicle sensory device node through the blood pressure lowering of electric energy management module 22, the rectification of electric energy feeding unit 14
Power supply.The non-transformer such as railway freight-car rail vehicle is braked by the permanent magnet linear generator 20 of electric energy feeding unit 14 or
Generating during alleviation, piezoelectric vibration power generation machine 21 carries out the generating in train operation, boost through electric energy management module 22,
Rectification, is stored in the power storage module 23 using ultracapacitor, is that vehicle sensory device node is powered.Power storage mould
Block 23 adopts here Graphene ultracapacitor（Voltage is less than 3.3V, and capacity is not less than 5F）As energy storage device.Vehicle is passed
The supply of induction device node electric energy is managed collectively by electric energy management module 22.
In figure 3, vehicle sensory device node permanent magnet linear generator is by installed in the braking of rail vehicle air damper
Stator on cylinder front cover 32（It is i.e. primary）, mover on rail vehicle air damper brake cylinder piston rod 34（It is i.e. secondary
Level）Composition.Stator is mainly made up of the permanent magnet 38 of stator core 37, neodymium iron boron, stator coil 39, and mover is mainly by mover magnetic
The diamagnetic material 41 of yoke 40, engineering plastics is constituted.Stator is fixed on brake cylinder front cover 32, is led to by checking cylinder release spring 35
Cross integration packaging block gland 42 to compress, mover is fixed on brake cylinder piston rod 34.When air damper is braked, i.e. air system
Motivation brake cylinder piston rod 34 is together moved when stretching out with mover, relative motion is produced between mover and stator, in stator core
Alternating flux is produced in 37, so as to produce electric current in stator coil 39, completes once to generate electricity.When air damper is alleviated,
Together move with mover when i.e. air damper brake cylinder piston rod 34 is retracted, relative motion is produced between mover and stator,
Alternating flux is produced in stator core 37, so as to produce electric current in stator coil 39, completes once to generate electricity again.Permanent-magnet linear
In 33 stroke 145mm of checking cylinder piston, generated energy is no less than 50J to electromotor.Vehicle sensory device node piezoelectric vibration power generation
Machine is arranged on rail vehicle air damper brake cylinder front cover 32, is generated electricity using the operating vibration of rail vehicle, is made
For the supplement that permanent magnet linear generator generates electricity.Vehicle sensory device node is counted in addition to radio-frequency antenna 19, permanent magnet linear generator 20
According to collecting unit 11, data processing unit 12, the wireless communication module 18 of data transmission unit 13, electric energy feeding unit 14 pressure
Electric oscillation electromotor 21, electric energy management module 22, power storage module 23 carry out overall package, make integration packaging block 36.Collection
It is fixed on the ectosome of permanent magnet linear generator 20 into package blocks 36, radio-frequency antenna 19 is stretched out by the hole on brake cylinder front cover 32.
Before vehicle sensory device node is installed on checking cylinder, essential information and monitoring program are write by data-interface.Essential information
Content includes：Vehicle number（Model, numbering）, accessory name code name, accessory orientation along number, as the unique name of wireless network node
Claim.After the completion of essential information and monitoring program write, data-interface is closed.Piston travel is equal to brake cylinder piston rod
The difference of exposed parts length and exposed parts length when being fully retracted when stretching out, vehicle sensory device node is installed on checking cylinder
Afterwards, under the complete incidence graph state of checking cylinder piston 33, i.e., checking cylinder piston 33 is fully retracted under the state of brake cylinder body 31, for the first time
Using the distance of the measurement of MEMS digital distances sensor 15 itself to the reflecting surface of checking cylinder piston 33, as calculating checking cylinder piston
Stroke（I.e. initial range deducts monitoring distance）Raw value, in being stored in microstorage 17.
In the diagram, locomotive monitoring device node is by data acquisition unit 51, data processing unit 52, data transmission unit
53rd, input-output unit 54 and electric energy feeding unit 55 are constituted.The work of locomotive monitoring device node Usage data collection unit 51
Air pressure in industry level MEMS digital pressure sensor and the collection train front braking supervisor of interface circuit 56, is passed using data
The wireless communication module 60 of defeated unit 53, radio-frequency antenna 61 receive the air in the last vehicle of train brake pipe that train tail apparatus send
Pressure, while passing through multi-hop ad hoc wireless network using the wireless communication module 60 of data transmission unit 53, radio-frequency antenna 61
Receive the Monitoring Data that vehicle sensory device node sends.Microcontroller 57 of every Monitoring Data through data processing unit 52
Process, microstorage 58 is stored, the Monitoring Data content of storage includes：Date, time, train number, train marshalling list number, car
Marshalling cis-position, vehicle number, accessory name code name, accessory orientation along number, piston travel, power storage module voltage,
Monitoring Data sends state, front braking supervisor's air pressure, tail brake supervisor's air pressure etc..Then input and output are used
The display and interface circuit 62 of unit 54 is shown in real time.To the air pressure in train front end and last vehicle of train brake pipe
Power exception（As during air-pressure stable in brake pipe air pressure difference more than 20kPa's）, rail vehicle air damping
Machine piston travel exception（Checking cylinder piston is not braking when reaching standard such as the air pressure decompression in brake pipe
, the boosting of air pressure in brake pipe when reaching level pressure checking cylinder piston do not alleviate, checking cylinder piston extension elongation not
Foot, extension elongation are more than regulation）Monitoring Data, using the display and interface circuit 62, buzzing of input-output unit 54
Device and interface circuit 63 carry out the warning of image, sound.Locomotive monitoring device node input-output unit 54 is provided with key-press module
64, for calling locomotive monitoring device node various functions, mainly include：Start, shutdown, tissue network, dismission network, monitoring
Data query, Monitoring Data upload, typing train number etc..Locomotive monitoring device node is passed through by rail locomotive electric power system
The blood pressure lowering of electric energy management module 65 of electric energy feeding unit 55, rectification, are that locomotive monitoring device node is powered.Locomotive monitoring device section
Point is provided with satellite time transfer module 59, for the automatic calibration of node time and Beijing time.Locomotive monitoring device node is in driver
Before indoor location, essential information and monitoring program are write by data-interface.Basic information content includes：Engine number（Model, volume
Number）, Hostname code name, main frame orientation along number, as the unique name of wireless network node.Essential information and monitoring program are write
After the completion of entering, data-interface is closed.
In Figure 5, locomotive monitoring device node display and interface circuit 62 use broken line graph coordinate form on screen
Show air pressure curve 66, the air pressure curve 67, rail in last vehicle of train brake pipe in train front braking supervisor
The Monitoring Data of road vehicle air brake machine piston travel curve 68, broken line graph is with pressure and stroke with the time as X-axis
Y-axis.For the ease of observation, the air pressure curve 66 in train front braking supervisor uses red lines, last vehicle of train braking
Air pressure curve 67 in supervisor uses blue lines.Locomotive monitoring device node display and interface circuit 62 are on screen
The data such as train marshalling list sequence list, train air brake brake efficiency evaluation are shown using tabular form.
In figure 6, ground monitoring device node by data acquisition unit 71, microcomputer 72, data transmission unit 73,
Data transfer LAN 74 and electric energy feeding unit 75 are constituted.The work of ground monitoring device node Usage data collection unit 71
Sky in industry level MEMS digital pressure sensor and the collection train front braking machine ground-testing plant long soft-pipe of interface circuit 76
Atmospheric pressure, using the wireless communication module 78 of data transmission unit 73, radio-frequency antenna 79 the wireless wind pressure monitoring of last vehicle of train is received
The air pressure in last vehicle of train brake pipe that device or train tail apparatus send, while using the wireless of data transmission unit 73
Communication module 78, radio-frequency antenna 79 receive the monitoring number that vehicle sensory device node sends by multi-hop ad hoc wireless network
According to.Every Monitoring Data is processed, stores, analyzed through microcomputer 72, and the Monitoring Data more than locomotive repair limit is reported
Accuse.After train air brake experiment terminates, and Monitoring Data is passed through into the superior management department of data transfer LAN 74
Door is reported and submitted.Ground monitoring device node is provided with electric energy feeding unit 75, by industrial power supply through electric energy feeding unit 75
The blood pressure lowering of electric energy management module 80, rectification, are ground monitoring device node correlation electricity consumption module for power supply.Ground monitoring device node sets
There is satellite time transfer module 77, for the automatic calibration of node time and Beijing time.
In the figure 7, locomotive monitoring device node, ground monitoring device node are according to train marshalling list sequence list and this train
Vehicle sensory device node constitutes multi-hop ad hoc wireless network.Vehicle sensory device node adopts " vehicle number+accessory name
Used as the title of wireless network node, locomotive monitoring device node is using " engine number+master for suitable number of code name+accessory orientation " combination
Used as the title of wireless network node, ground monitoring device node is using " train for suitable number of machine title code name+main frame orientation " combination
Technical Availability place code name " is used as the title of wireless network node.Train after composition, supervise by locomotive monitoring device node or ground
Survey device node enters relevant work pattern by the vehicle sensory device node of this train of broadcast wakeup, completes to set up multi-hop certainly
Hoc wireless networks.When train on the way runs, locomotive monitoring device node sends mode of operation and refers in mode of operation is monitored
Order, indicates vehicle sensory device node simultaneously in monitoring mode of operation.When the air pressure in train main brake pipe occurs to rise
During drop change, locomotive monitoring device node sends instruction, indicates that vehicle sensory device node sends in time Monitoring Data, locomotive prison
Survey device node and receive Monitoring Data at any time.When rail vehicle air damper checking cylinder piston is subjected to displacement action, vehicle
Sensing device node sends in time Monitoring Data automatically, and locomotive monitoring device node receives at any time Monitoring Data.Train is in train
When Technical Availability place is braked machine test, ground monitoring device node is in experiment work pattern, sends mode of operation and refers to
Order, indicates that vehicle sensory device node is in experiment work pattern simultaneously, and the timing of vehicle sensory device node sends Monitoring Data,
Ground monitoring device node receives at any time Monitoring Data.When being braked machine test using rail locomotive, by locomotive monitoring device
Node completes above-mentioned testing operation.Locomotive monitoring device node, ground monitoring device node can be looked into using inquiry mode of operation
Rail vehicle air damper piston travel is ask, vehicle sensory device node proceeds to response mode of operation, sends track
Vehicle air brake machine piston travel.Train after operation Zhongdao, locomotive monitoring device node or ground monitoring device
Node sends network and dismisses instruction dismission wireless network, and now vehicle sensory device node disconnects multi-hop ad hoc wireless network and turns
Enter park mode, with saves energy.For the possible deficiency problem of vehicle sensory device node electric energy, under experiment work pattern,
Vehicle sensory device node monitors data transmission time interval can be increased, in the case where mode of operation is monitored, a large amount of wireless networks are met
Node electric energy is not enough, can be monitored data transfer by other system multi-hop ad hoc wireless networks.
Ground monitoring device node workflow 83 is：Start.System initialization is carried out, satellite time transfer is completed.Set out row
After car composition or after arrival Train Stopping, typing overhauling train train number, train marshalling list number, row in ground monitoring device node
Car property（As marshalling originate, transfer is set out, be relayed to reach, Zhongdao disintegrate）.Connection LAN.According to train number and head and the tail
Vehicle number, by obtaining train marshalling list letter in LAN AT STATION train marshalling list information system or ATIS
Breath --- train marshalling list sequence list, including vehicle marshalling cis-position, vehicle number, load-carrying etc., also can manual typing or modification train volume
Group information.This job content of typing in ground monitoring device node, including test brake efficiency, inquiry brake shape
State, outbound train send train marshalling list information or reach train and receive monitored over time data etc..（1）Test brake efficiency when
Test is clicked at job content interface, is clicked at job content interface during inquiry brake state and is inquired about, then ground monitoring device
Node sets up multi-hop ad hoc wireless network, ground by broadcast with vehicle sensory device node in this train marshalling list sequence list
Monitoring device node possesses while set up multiple multi-hop ad hoc wireless network abilities, does not interfere with each other.For vehicle sensory device section
Point sends train marshalling list information, Beijing time.Operating mode instruction is sent for vehicle sensory device node, brake efficiency is tested
When send experiment work mode instruction, inquiry brake state when send inquiry operating mode instruction；Will under experiment work pattern
The timing of vehicle sensory device node is asked to send piston travel Monitoring Data per second, ground monitoring device node connects at any time
Receive；Require that vehicle sensory device node once sends the current stroke Condition Monitoring Data of checking cylinder piston under inquiry mode of operation,
Ground monitoring device node is received at any time.Under experiment work pattern and inquiry mode of operation, ground monitoring device node one side
Air pressure in collection train front braking supervisor, simultaneously receives air pressure, the checking cylinder in last vehicle of train brake pipe
Piston stroke（Backward vehicle sensory device node feeding back is finished receiving every time receives successful information）Monitoring Data.By miniature calculating
Machine is monitored data processing, storage.Data analysiss are monitored by microcomputer, train braking efficiency is calculated（Only in examination
Testing under mode of operation is carried out, and is calculated by whole conversion brake force of train and the marshalling gross mass of train）.In miniature calculating
Monitoring Data full detail is shown on machine indicator screen.Under experiment work pattern, to vehicle sensory device after off-test
Node sends end-of-job network and dismisses instruction, under inquiry mode of operation, finishes receiving backward vehicle sensory device node and sends out
End-of-job network is sent to dismiss instruction.Disconnect and vehicle sensory device node multi-hop ad hoc wireless network.In experiment work mould
Under formula, reported and submitted by data transfer LAN superior administration section after off-test and by Monitoring Data.Terminate this work
Industry.（2）Grouping information is sent in the percussion of job content interface point when outbound train sends train marshalling list information, then typing is set out row
Car engine number.According to train number and engine number, with locomotive monitoring device node ad hoc deployed wireless networks are set up.Send train to compile
Group information.After receiving the reception successful information of locomotive monitoring device node feeding back, disconnect with locomotive monitoring device node from group
Knit wireless network.Terminate this subjob.（3）Reach to be clicked at job content interface when train receives monitored over time data and receive prison
Data are surveyed, is then entered into up to train locomotive number.According to train number and engine number, set up from group with locomotive monitoring device node
Knit wireless network.Receive monitored over time data.Successful information is received to locomotive monitoring device node feeding back, is disconnected and locomotive monitoring
Device Nodes Self-organized wireless network.Terminate this subjob.
Locomotive monitoring device node workflow 82 is：Start.System initialization is carried out, satellite time transfer is completed.Set out row
After car composition, typing outbound train train number, train marshalling list number, train properties in locomotive monitoring device node（Such as organize into groups the beginning
Send out, transfer is set out）.According to train number, with ground monitoring device node ad hoc deployed wireless networks are set up.Receive train marshalling list letter
Breath --- train marshalling list sequence list, including vehicle marshalling cis-position, vehicle number, load-carrying etc., also can manual typing or modification train volume
Group information.Earthward monitoring device node feeding back receives successful information, disconnects and ground monitoring device Nodes Self-organized wireless network
Network.Locomotive monitoring device node sets up multi-hop from group by broadcast with vehicle sensory device node in this train marshalling list sequence list
Knit wireless network.Train marshalling list information, Beijing time are sent for vehicle sensory device node.For the transmission of vehicle sensory device node
Operating mode instruction, sends experiment work mode instruction during test brake efficiency, inquiry work is sent during inquiry brake state
Operation mode is instructed, and is sent when running in train way and is monitored operating mode instruction；Vehicle sensory device is required under experiment work pattern
Node timing sends piston travel Monitoring Data per second, and locomotive monitoring device node is received at any time；Inquiry mode of operation
Under require that vehicle sensory device node once sends the current stroke Condition Monitoring Data of checking cylinder piston, locomotive monitoring device node
Receive at any time；When monitoring the air pressure generation eustasy required under mode of operation in train main brake pipe, vehicle sensory dress
Put node and send piston travel Monitoring Data per second in time, locomotive monitoring device node is received at any time, rail vehicle is empty
When gas brake piston travel is subjected to displacement action, vehicle sensory device node sends in time checking cylinder piston row per second
Journey Monitoring Data, locomotive monitoring device node is received at any time.Locomotive monitoring device node one side collection train front braking supervisor
Interior air pressure, simultaneously receives air pressure, the piston travel in last vehicle of train brake pipe（Finish receiving every time
Backward vehicle sensory device node feeding back receives successful information）Monitoring Data.It is monitored data processing, storage.It is monitored
Data analysiss, calculate train braking efficiency（Only carry out under experiment work pattern, by whole conversion brake force and train of train
Marshalling gross mass calculated）.Monitoring Data full detail is shown on indicator screen.Judge whether Monitoring Data is different
Often.Such as Monitoring Data exception, on indicator screen using image, use on buzzer audible alarm.Train is reached, pressing
Network dismisses button.End-of-job network is sent to vehicle sensory device node dismiss instruction.Disconnect and vehicle sensory device section
Point multi-hop ad hoc wireless network.According to train number, with ground monitoring device node ad hoc deployed wireless networks are set up.Send complete
Journey Monitoring Data.After receiving the reception successful information of ground monitoring device node feeding back, disconnect and ground monitoring device node
Ad hoc deployed wireless networks.Locomotive monitoring device node is shut down.
Vehicle sensory device node workflow 81 is：Receive locomotive monitoring device node or ground monitoring device node
After broadcast, vehicle sensory device node wakes up in the hibernation mode.Carry out system initialization.With locomotive monitoring device node or ground
Face monitoring device node sets up multi-hop ad hoc wireless network.Train marshalling list information --- train marshalling list sequence list is received, including
Train number, train marshalling list number, vehicle marshalling cis-position, vehicle number, load-carrying etc.；Beijing time is received, clock synchronization is completed.Connect
Receive operating mode instruction, including experiment work pattern, response mode of operation, monitoring mode of operation；Require under experiment work pattern
The timing of vehicle sensory device node sends piston travel Monitoring Data per second；Vehicle sensory is required under response mode of operation
Device node once sends the current stroke Condition Monitoring Data of checking cylinder piston；Monitor and require train main brake pipe under mode of operation
When interior air pressure occurs eustasy, vehicle sensory device node sends in time piston travel monitoring number per second
According to when rail vehicle air damper piston travel is subjected to displacement action, vehicle sensory device node sends in time every
Second piston travel Monitoring Data.Operating mode instruction is received and terminated, and vehicle sensory device node proceeds to monitoring Working mould
Formula, reduces power consumption.When the air pressure in train main brake pipe occurs eustasy, vehicle sensory device node will connect
Work triggering command is received, when rail vehicle air damper piston travel is subjected to displacement action, vehicle sensory dress
Putting node will obtain the work triggering command of itself, start Monitoring Data collection, send work.Vehicle sensory device node is gathered
Piston travel Monitoring Data.It is monitored data processing, storage.If vehicle sensory device node is contact node,
Ordinary node Monitoring Data is received simultaneously.Monitoring Data is sent to locomotive monitoring device node or ground monitoring device node,
After receiving the reception successful information of locomotive monitoring device node or ground monitoring device node feeding back, carry out feedback data and deposit
Storage.One action terminates, and vehicle sensory device node proceeds to monitoring mode of operation, waits lower task triggering.Vehicle sensory is filled
Node is put after network dismission instruction is received, the multi-hop ad hoc wireless network and between other wireless network nodes is disconnected, now
Vehicle sensory device node proceeds to park mode, with saves energy.
Claims (7)
1. a kind of train air brake based on MEMS acts on wireless monitor system, it is characterized in that：By installed in rail vehicle
The vehicle sensory device node of air damper checking cylinder, installed in the locomotive monitoring device node and peace of rail locomotive drivers' cab
It is mounted in the ground monitoring device node composition of train technical space for maintenance sensing chamber；When train on the way runs, locomotive monitoring dress
Put the vehicle sensory device node composition multi-hop ad hoc wireless network of node and this train；Train is in train technical space for maintenance
During maintenance, ground monitoring device node constitutes multi-hop ad hoc wireless network with the vehicle sensory device node of this train.
2. train air brake according to claim 1 acts on wireless monitor system, it is characterized in that：Described vehicle is passed
Induction device node is collected by MEMS digital distance sensor acquisition rail vehicle air damper piston travels
Then Monitoring Data is transmitted through microcontroller process, microstorage storage by wireless communication module；Vehicle sensory is filled
Electric energy needed for node is put, has power rail vehicle to be powered by rail vehicle electric power system, non-transformer rail vehicle is by permanent-magnet linear
The mechanical, electrical energy management module of electromotor, piezoelectric vibration power generation, the electric energy supply constituted using the power storage module of ultracapacitor
Unit is powered.
3. train air brake according to claim 2 acts on wireless monitor system, it is characterized in that：Described vehicle is passed
Induction device node permanent magnet linear generator is in-orbit by the stator on rail vehicle air damper brake cylinder front cover, installation
Mover composition on road vehicle air brake machine brake cylinder piston rod；Stator is mainly by stator core, permanent magnet, sets of stator coils
Into mover is mainly made up of mover yoke, diamagnetic material；Stator is fixed on brake cylinder front cover, and mover is fixed on checking cylinder
On piston rod, together move with mover when brake cylinder piston rod stretches out, retracts, relative motion produced between mover and stator,
Alternating flux is produced in stator core, so as to produce electric current in stator coil.
4. train air brake according to claim 1 acts on wireless monitor system, it is characterized in that：Described locomotive prison
The air pressure that device node is gathered in train front braking supervisor by MEMS digital pressure sensors is surveyed, by radio communication
Module receives the air pressure in the last vehicle of train brake pipe that train tail apparatus send, while receiving car by wireless communication module
The Monitoring Data that sensing device node sends, every Monitoring Data is through microcontroller process, microstorage storage, Ran Houtong
Cross display to be shown in real time；To abnormal air pressure, rail vehicle in train front end and last vehicle of train brake pipe
The abnormal Monitoring Data of air damper piston travel, is reported to the police by display, buzzer.
5. train air brake according to claim 4 acts on wireless monitor system, it is characterized in that：Described locomotive prison
Survey device node display and show air pressure, the last vehicle of train system in train front braking supervisor using broken line graph on screen
Air pressure, rail vehicle air damper piston travel Monitoring Data in dynamic supervisor, broken line graph is with the time as X
Axle, with pressure and stroke as Y-axis；For the ease of observation, the air pressure curve in train front braking supervisor uses red line
Bar, the air pressure curve in last vehicle of train brake pipe uses blue lines.
6. train air brake according to claim 1 acts on wireless monitor system, it is characterized in that：Described ground prison
Survey the air that device node is gathered in train front braking machine ground-testing plant long soft-pipe by MEMS digital pressure sensors
Pressure, by wireless communication module the last vehicle of train braking that the wireless wind pressure monitoring device of last vehicle of train or train tail apparatus send is received
Air pressure in supervisor, while the Monitoring Data that vehicle sensory device node sends is received by wireless communication module, it is every
Monitoring Data is processed, stores, analyzed through microcomputer, and the Monitoring Data more than locomotive repair limit is reported, and will be supervised
Survey data to report and submit by LAN superior administration section.
7. train air brake according to claim 1 acts on wireless monitor system, it is characterized in that：Described locomotive prison
Survey device node, ground monitoring device node and constitute many according to the vehicle sensory device node of train marshalling list sequence list and this train
Jump ad hoc deployed wireless networks；Vehicle sensory device node is using " suitable number of vehicle number+accessory name code name+accessory orientation " combination
Used as the title of wireless network node, locomotive monitoring device node is using " engine number+Hostname code name+main frame orientation is suitable
Number " combination as wireless network node title, ground monitoring device node adopt " train technical space for maintenance code name " conduct
The title of wireless network node；When train on the way runs, locomotive monitoring device node, vehicle sensory device node are in simultaneously
Mode of operation is monitored, when the air pressure in train main brake pipe occurs eustasy or rail vehicle air damper checking cylinder
When piston is subjected to displacement action, node sends in time, receives Monitoring Data at any time；Train is in train technical space for maintenance system
When motivation is tested, ground monitoring device node, vehicle sensory device node are in experiment work pattern simultaneously, and node timing is sent out
Send, receive Monitoring Data at any time；After operation Zhongdao, locomotive monitoring device node or ground monitoring device node are solved train
Scattered wireless network, now vehicle sensory device node proceed to park mode, with saves energy.
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