CN110285858A - A kind of railroad train operating environment monitoring device based on wireless sensor - Google Patents
A kind of railroad train operating environment monitoring device based on wireless sensor Download PDFInfo
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- CN110285858A CN110285858A CN201910650903.7A CN201910650903A CN110285858A CN 110285858 A CN110285858 A CN 110285858A CN 201910650903 A CN201910650903 A CN 201910650903A CN 110285858 A CN110285858 A CN 110285858A
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- G—PHYSICS
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The railroad train operating environment monitoring device based on wireless sensor that the invention discloses a kind of, it include: station operating environment monitoring terminal, for monitoring the environmental data in train stop station, and the image information in station at different location is stopped according to train, by extracting image feature, determine that train stops density of stream of people in station at different location, by bus security information；Interior operating environment monitoring terminal determines pollutant classification and pollution level for monitoring the environmental data in train, and according to pollutant odorousness in different monitoring regions.The present invention obtains density of stream of people and by bus security information after extracting image feature, to guarantee that passenger can get on the bus safely before train starts by image information at different location in monitoring train stop station；By effective monitoring to pollutant type in train and all types of concentration, to ensure that the amenity for taking train for a long time is good.
Description
Technical field
The present invention relates to train operation field of environmental technology, more particularly relate to a kind of railway train based on wireless sensor
Vehicle operating environment monitoring device.
Background technique
Wireless sensor network has broad application prospects in railroad train operating environment monitoring field, station environment
Monitoring is to guarantee that passenger safety is effectively got on the bus, and environment inside car monitoring is to guarantee that passenger is in comfortable good environment
In.
It but when flow of the people is larger, is counted to flow of the people at present, there is no consider randomly regulating to guarantee
Passenger can get on the bus before train starts, and not be monitored to the safety flowing of major pedestrian movement when getting on the bus more, thus cannot
Guarantee that passenger safety is effectively got on the bus；Meanwhile the monitoring of column environment inside car is only rested on to aerial temperature and humidity, air particles at present
The monitoring of the common environmentals factor such as object concentration, there is no the specific actual conditions for considering train to the pollutant in train space into
Row monitoring, to fail effectively to be monitored train internal environment.
Summary of the invention
The embodiment of the present invention provides a kind of railroad train operating environment monitoring device based on wireless sensor, to solve
The problem of above-mentioned background technique.
The embodiment of the present invention provides a kind of railroad train operating environment monitoring device based on wireless sensor, comprising: more
A station operating environment monitoring terminal, multiple interior operating environment monitoring terminals, train monitoring center and ZigBee wireless communication
Network, the station operating environment monitoring terminal and the interior operating environment monitoring terminal pass through the ZigBee channel radio
Communication network and the train monitoring center wirelessly communicate；
The station operating environment monitors terminal, for monitoring the environmental data in train stop station, and according to train
The image information and acoustic information in station at different location are stopped, by extracting image feature and sound characteristic, determines train
Stop the density of stream of people in station at different location, ride security information and noise percent information；
The car operating environment monitors terminal, for monitoring the environmental data in train, and according to different monitoring regions
Interior pollutant odorousness, determines pollutant classification and pollution level；
The train monitoring center, for carrying out crowd according to nearby principle by voice and dredging by bus according to density of stream of people
Dissipate allotment casting；For carrying out the casting of station safe early warning by voice according to security information of riding；For according to noise ratio
Information carries out station noise control casting by voice；And for according to pollutant classification and pollution level, by voice into
Pollutant removes casting in driving a vehicle.
Further, multiple station operating environment monitoring terminals are separately positioned at the different location at the top of train,
And the station operating environment monitoring terminal includes: the first acquisition module, first acquisition module includes: Image Acquisition list
Member, audio collection unit and vehicle external environment acquisition unit；
Described image acquisition unit, for acquiring the image information in train stop station；
The audio collection unit, for acquiring the acoustic information in train stop station；The acoustic information includes: wide
Broadcast acoustic information, crowd noise information；
The vehicle external environment acquisition unit, for acquiring temperature, brightness, smokescope and meteorology in train stop station
Data.
Further, the vehicle external environment acquisition unit includes: the first temperature sensor, smoke sensor device and meteorological sensing
Device；Wherein, the meteorological sensor includes: the capacitance sensor of Relative Humidity Measuring and the ultrasonic sensor of measurement wind speed.
Further, the station operating environment monitoring terminal includes: density of stream of people determining module, completely determines mould by bus
Block and noise ratio determining module；
The density of stream of people determining module determines vehicle by the distribution of head portrait quantity for the image feature according to extraction
Density of stream of people in standing at different location；
It is described to completely determine module by bus, for the image feature according to extraction, taken turns by stream of people's chamfered shape and the stream of people
Human action state in profile shape determines safe condition of riding in station；
The noise ratio determining module, for the sound characteristic according to extraction, by the decibel of broadcast casting sound and
The decibel of crowd's sound determines noise ratio in station.
Further, multiple interior operating environment monitoring terminal partitions are laid in inside train, the interior operation
Environmental monitoring terminal includes: the second acquisition module, and second acquisition module includes: air quality monitoring unit, second temperature
Sensor and humidity sensor；
The air quality monitoring unit, for monitoring train internal particle object concentration, pollutant odorousness；
The second temperature sensor, for monitoring temperature information in train；
The humidity sensor, for monitoring humidity information in train.
Further, the air quality monitoring unit includes: particle concentration sensor and the inspection of pollutant odorousness
Survey unit；Wherein, the particle concentration sensor includes the sensor of TSP, PM10, PM5, PM2.5 or PM1 concentration specifications.
Further, the interior operating environment monitoring terminal includes: that pollutant category determination module and pollution level are true
Cover half block；
The pollutant category determination module, for the contaminant gases by the judgement monitoring of pollutant classification detection unit
Classification；Wherein, the contaminant gases classification includes: stink, musty, fishy smell；
The pollution level determining module, it is dense for the contaminant gases by the judgement monitoring of pollutant concentration detection unit
Degree.
Further, the train monitoring center includes: evacuating personnel allotment reminding module, safe early warning module and pollution
Object removes reminding module；
The evacuating personnel deploys reminding module, is used for when riding time reaching preset time, according to each compartment mouth people
Current density carries out evacuating personnel allotment according to nearby principle and reminds；
The safe early warning module, for when train stop station in stream of people's chamfered shape be " stream of people surrounds and watches " shape and
When " stream of people surrounds and watches " interior shape has " fighting " movement, the safe early warning casting of corresponding position in station is carried out；
The pollutant removes reminding module, interior dirty for carrying out when contaminant gases concentration reaches preset concentration
It contaminates object and removes prompting.
The embodiment of the present invention provides a kind of railroad train operating environment monitoring device based on wireless sensor, with existing skill
Art is compared, and its advantages are as follows:
The present invention obtains the stream of people after extracting image feature by image information at different location in monitoring train stop station
Density and by bus security information can carry out crowd by nearby principle according to the density of stream of people information for inlet of respectively getting on the bus and ride
Evacuation allotment guarantees that passenger can get on the bus before train starts, can according to stream of people's chamfered shape in station and personnel's athletic performance
To judge whether stream of people's flow process occurs accident, so as to handle accident in time, it ensure that passenger safety is effectively got on the bus.Into
One step stops the acoustic information in station at different location by monitoring train, true according to broadcast casting sound and crowd noise
Its fixed noise percent information promptly can persistently broadcast the voice prompting for reducing noise, to guarantee when crowd noise is larger
Station process of getting on the bus orderly carries out safely.
The present invention by effective monitoring to (stink, musty, the fishy smell) and all types of concentration of pollutant type in train, when
It when contaminant gases concentration reaches preset concentration, carries out in-vehicle exposure object and removes prompting, take train for a long time to ensure that
Amenity it is good.
Detailed description of the invention
Fig. 1 is a kind of railroad train operating environment monitoring device based on wireless sensor provided in an embodiment of the present invention
Whole functional block diagram；
Fig. 2 is a kind of railroad train operating environment monitoring device based on wireless sensor provided in an embodiment of the present invention
Concrete principle block diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1~2, the embodiment of the present invention provides a kind of railroad train operating environment monitoring dress based on wireless sensor
It sets, which includes: that multiple station operating environments monitor terminals 1, multiple interior operating environments monitor terminal 2, in train monitoring
The heart 3 and ZigBee cordless communication network 4, station operating environment monitoring terminal 1 and interior operating environment monitoring terminal 2 pass through
ZigBee cordless communication network 4 and train monitoring center 3 wirelessly communicate.
Above-mentioned technical proposal realizes railroad train station by ZigBee cordless communication network (i.e. wireless sensor network)
The monitoring of environment and train internal environment, wherein each station operating environment monitoring terminal 1 and each interior operating environment monitoring
Terminal 2 is wireless sensor acquisition node, and train monitoring center 3 is wireless sensor aggregation node, passes through wireless sensor group
Net realizes wireless communication.I.e. wireless sensor network is by having the sensor node of perception, calculating and communication capacity to form, big model
The monitoring network enclosed is made of acquisition node, aggregation node, and finally sends data to train monitoring center 3.
Specifically, station operating environment monitor terminal 1, for monitor train stop station in environmental data, and according to
Train stops the image information and acoustic information in station at different location, by extracting image feature and sound characteristic, determines
Density of stream of people, ride security information and noise percent information in train stop station at different location.Interior operating environment prison
Terminal 2 is surveyed, for monitoring the environmental data in train, and according to pollutant odorousness in different monitoring regions, determines pollution
Species not and pollution level.Train monitoring center 3, for carrying out crowd according to nearby principle by voice according to density of stream of people
Evacuation allotment casting by bus；For carrying out the casting of station safe early warning by voice according to security information of riding；For according to letter
It makes an uproar percent information, passes through voice and carry out station noise control casting；And for passing through according to pollutant classification and pollution level
Voice carries out in-vehicle exposure object and removes casting.
Above-mentioned technical proposal, by image information at different location in monitoring train stop station, after extracting image feature
Density of stream of people and by bus security information are obtained, can be carried out by nearby principle according to the density of stream of people information for inlet of respectively getting on the bus
Crowd evacuates allotment by bus, guarantees that passenger can get on the bus before train starts, is transported according to stream of people's chamfered shape in station and personnel
Movement may determine that whether stream of people's flow process occurs accident, so as to handle accident in time, ensure that passenger safety has
Effect is got on the bus.Further, the acoustic information in station at different location is stopped by monitoring train, according to broadcast casting sound and people
Group's noise determines its noise percent information, when crowd noise is larger, promptly can persistently broadcast the voice prompting for reducing noise,
To ensure that station process of getting on the bus orderly carries out safely.Meanwhile by pollutant type in train (stink, musty, raw meat
Taste) and all types of concentration effective monitoring, when contaminant gases concentration reaches preset concentration, carry out in-vehicle exposure object removing mentions
It wakes up, to ensure that the amenity for taking train for a long time is good.
Further, multiple station operating environment monitoring terminals 1 are separately positioned at the different location at the top of train, and vehicle
It includes: the first acquisition module 11 that operating environment of standing, which monitors terminal 1, and the first acquisition module 11 includes: image acquisition units 111, sound
Frequency acquisition unit 112 and vehicle external environment acquisition unit 113.
Wherein, image acquisition units 111, for acquiring the image information in train stop station；Audio collection unit
112, for acquiring the acoustic information in train stop station；Acoustic information includes: broadcast casting acoustic information, crowd noise letter
Breath；Vehicle external environment acquisition unit 113, for acquiring temperature, brightness, smokescope and meteorological data in train stop station,
And vehicle external environment acquisition unit 113 includes: the first temperature sensor, smoke sensor device and meteorological sensor, meteorological sensor packet
It includes: the capacitance sensor of Relative Humidity Measuring and the ultrasonic sensor of measurement wind speed.
Further, station operating environment monitors terminal 1 further include: density of stream of people determining module 12 completely determines by bus
Module 13 and noise ratio determining module 14.
Wherein, density of stream of people determining module 12, for the image feature according to extraction, by the distribution of head portrait quantity, really
Determine the density of stream of people in station at different location；Module 13 is completely determined by bus, for the image feature according to extraction, passes through people
Human action state in chamfered shape and stream of people's chamfered shape is flowed, determines safe condition of riding in station；Noise ratio-dependent mould
Block 14 is determined in station for the sound characteristic according to extraction by the decibel of broadcast casting sound and the decibel of crowd's sound
Noise ratio.
Further, multiple interior operating environment monitoring 2 subregions of terminal are laid in inside train, interior operating environment monitoring
Terminal 2 includes: the second acquisition module 21, and the second acquisition module 21 includes: air quality monitoring unit 211, second temperature sensing
Device 212 and humidity sensor 213.
Wherein, air quality monitoring unit 211, for monitoring train internal particle object concentration, pollutant odorousness；The
Two temperature sensors 212, for monitoring temperature information in train；Humidity sensor 213, for monitoring humidity information in train.
Air quality monitoring unit 211 includes: particle concentration sensor and pollutant odorousness detection unit；Particle concentration passes
Sensor includes the sensor of TSP, PM10, PM5, PM2.5 or PM1 concentration specifications.
Further, interior operating environment monitors terminal 2 further include: pollutant category determination module 22 and pollution level are true
Cover half block 23；
Wherein, pollutant category determination module 22, for the pollutant by the judgement monitoring of pollutant classification detection unit
Gas classification；Wherein, contaminant gases classification includes: stink, musty, fishy smell etc.；Pollution level determining module 23, for passing through
The contaminant gases concentration of pollutant concentration detection unit judgement monitoring.
Further, train monitoring center 3 includes: evacuating personnel allotment reminding module 31, safe early warning module 32 and dirt
It contaminates object and removes reminding module 33.
Wherein, evacuating personnel deploys reminding module 31, is used for when riding time reaching preset time, according to each compartment mouth
Density of stream of people carries out evacuating personnel allotment according to nearby principle and reminds；Safe early warning module 32, for being stopped in station when train
Stream of people's chamfered shape is " stream of people surrounds and watches " shape (surrounding and watching encirclement shape, be different from normal stream of people's flow profile) and " stream of people encloses
When the interior shape of sight " has " fighting " to act (i.e. arm leg significantly acts, and is different from normal personnel's walking motion), station is carried out
The safe early warning of interior corresponding position is broadcasted；Pollutant removes reminding module 33, for reaching default when contaminant gases concentration
When concentration, carries out in-vehicle exposure object and remove prompting.
In conclusion the present invention realizes the iron of innovation in terms of station stream of people monitoring and in-vehicle exposure object monitor two
Road train operation environmental monitoring, to ensure that passenger safety effectively gets on the bus and comfortably rides.
Disclosed above is only several specific embodiments of the invention, and those skilled in the art can carry out the present invention
Various modification and variations without departing from the spirit and scope of the present invention, if these modifications and changes of the present invention belongs to the present invention
Within the scope of claim and its equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of railroad train operating environment monitoring device based on wireless sensor characterized by comprising multiple station fortune
Seek environmental monitoring terminal (1), multiple interior operating environment monitorings terminal (2), train monitoring center (3) and ZigBee wireless communication
Network (4), station operating environment monitoring terminal (1) and interior operating environment monitoring terminal (2) are by described
ZigBee cordless communication network (4) and the train monitoring center (3) wirelessly communicate；
The station operating environment monitors terminal (1), for monitoring the environmental data in train stop station, and is stopped according to train
Image information and acoustic information at different location in station determine that train stops by extracting image feature and sound characteristic
Density of stream of people, ride security information and noise percent information at different location in station；
Car operating environment monitoring terminal (2), for monitoring the environmental data in train, and according in different monitoring regions
Pollutant odorousness determines pollutant classification and pollution level；
The train monitoring center (3), for carrying out crowd according to nearby principle by voice and evacuating by bus according to density of stream of people
Allotment casting；For carrying out the casting of station safe early warning by voice according to security information of riding；For being believed according to noise ratio
Breath carries out station noise control casting by voice；And for being carried out by voice according to pollutant classification and pollution level
In-vehicle exposure object removes casting.
2. the railroad train operating environment monitoring device based on wireless sensor as described in claim 1, which is characterized in that more
A station operating environment monitoring terminal (1) is separately positioned at the different location at the top of train, and ring is runed at the station
It includes: the first acquisition module (11) that border, which monitors terminal (1), and first acquisition module (11) includes: image acquisition units
(111), audio collection unit (112) and vehicle external environment acquisition unit (113)；
Described image acquisition unit (111), for acquiring the image information in train stop station；
The audio collection unit (112), for acquiring the acoustic information in train stop station；The acoustic information includes:
Broadcast casting acoustic information, crowd noise information；
The vehicle external environment acquisition unit (113), it is gentle for acquiring temperature, brightness, smokescope that train is stopped in station
Image data.
3. the railroad train operating environment monitoring device based on wireless sensor as claimed in claim 2, which is characterized in that institute
Stating vehicle external environment acquisition unit (113) includes: the first temperature sensor, smoke sensor device and meteorological sensor；Wherein, the gas
Image sensor includes: the capacitance sensor of Relative Humidity Measuring and the ultrasonic sensor of measurement wind speed.
4. the railroad train operating environment monitoring device based on wireless sensor as described in claim 1, which is characterized in that institute
Station operating environment monitoring terminal (1) is stated to include: density of stream of people determining module (12), completely determine module (13) and noise by bus
Ratio-dependent module (14)；
The density of stream of people determining module (12) determines vehicle by the distribution of head portrait quantity for the image feature according to extraction
Density of stream of people in standing at different location；
It is described to completely determine module (13) by bus, for the image feature according to extraction, taken turns by stream of people's chamfered shape and the stream of people
Human action state in profile shape determines safe condition of riding in station；
The noise ratio determining module (14), for the sound characteristic according to extraction, by the decibel of broadcast casting sound and
The decibel of crowd's sound determines noise ratio in station.
5. the railroad train operating environment monitoring device based on wireless sensor as described in claim 1, which is characterized in that more
A described interior operating environment monitoring terminal (2) subregion is laid in inside train, car operating environment monitoring terminal (2) packet
Include: the second acquisition module (21), second acquisition module (21) include: air quality monitoring unit (211), second temperature biography
Sensor (212) and humidity sensor (213)；
The air quality monitoring unit (211), for monitoring train internal particle object concentration, pollutant odorousness；
The second temperature sensor (212), for monitoring temperature information in train；
The humidity sensor (213), for monitoring humidity information in train.
6. the railroad train operating environment monitoring device based on wireless sensor as claimed in claim 5, which is characterized in that institute
Stating air quality monitoring unit (211) includes: particle concentration sensor and pollutant odorousness detection unit；Wherein, institute
State the sensor that particle concentration sensor includes TSP, PM10, PM5, PM2.5 or PM1 concentration specifications.
7. the railroad train operating environment monitoring device based on wireless sensor as described in claim 1, which is characterized in that institute
Stating interior operating environment monitoring terminal (2) includes: pollutant category determination module (22) and pollution level determining module (23)；
The pollutant category determination module (22), for the contaminant gases by the judgement monitoring of pollutant classification detection unit
Classification；Wherein, the contaminant gases classification includes: stink, musty, fishy smell；
The pollution level determining module (23), it is dense for the contaminant gases by the judgement monitoring of pollutant concentration detection unit
Degree.
8. the railroad train operating environment monitoring device based on wireless sensor as described in claim 1, which is characterized in that institute
Stating train monitoring center (3) includes: evacuating personnel allotment reminding module (31), safe early warning module (32), noise control prompting
Module (33) and pollutant remove reminding module (34)；
The evacuating personnel deploys reminding module (31), is used for when riding time reaching preset time, according to each compartment mouth people
Current density carries out evacuating personnel allotment according to nearby principle and reminds；
The safe early warning module (32), for when train stop station in stream of people's chamfered shape be " stream of people surrounds and watches " shape and
When " stream of people surrounds and watches " interior shape has " fighting " movement, the safe early warning casting of corresponding position in station is carried out；
The noise control reminding module (33), for improving decibel and being held when voice broadcast sound is less than crowd noise
It is continuous to reduce noise casting；
The pollutant removes reminding module (34), interior dirty for carrying out when contaminant gases concentration reaches preset concentration
It contaminates object and removes prompting.
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| CN111176352A (en) * | 2019-12-30 | 2020-05-19 | 中国铁道科学研究院集团有限公司电子计算技术研究所 | Environment monitoring system and method in intelligent railway passenger station |
| US20200186743A1 (en) * | 2016-11-24 | 2020-06-11 | Hanwha Techwin Co., Ltd. | Apparatus and method for displaying images and passenger density |
| CN114104036A (en) * | 2021-11-12 | 2022-03-01 | 上海建科工程咨询有限公司 | Rail transit monitoring system and method |
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