CN110126877A - One kind being based on technology of Internet of things railroad track vibration monitor system and method - Google Patents
One kind being based on technology of Internet of things railroad track vibration monitor system and method Download PDFInfo
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- CN110126877A CN110126877A CN201910424506.8A CN201910424506A CN110126877A CN 110126877 A CN110126877 A CN 110126877A CN 201910424506 A CN201910424506 A CN 201910424506A CN 110126877 A CN110126877 A CN 110126877A
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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
- B61K9/08—Measuring installations for surveying permanent way
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The present disclosure proposes one kind to be based on technology of Internet of things railroad track vibration monitor system and method, multiple rail vibration monitoring nodes, wireless data gateway and background monitoring center；The multiple rail vibration monitoring node is divided into several groups, the wireless data gateway communication corresponding with each group respectively of each group of monitoring node, wireless data gateway respectively with background monitoring center to center communications, the track vibration data received are analyzed in real time in the background monitoring center, corresponding data processing is carried out to each node data, reflects the Vibration Condition of each node location track in real time.Disclosure integrated use LORA wireless communication technique, MEMS capacitance acceleration sensor technology, 4G wireless communication technique, GPS/BD location technology, micro-energy collection technique and wireless charging technology etc., be high-precision, high speed, multichannel real-time online railroad track vibration monitor system.
Description
Technical field
This disclosure relates to which monitoring technical field, is based on technology of Internet of things railroad track vibration monitoring system more particularly to one kind
System and method.
Background technique
With the development and the improvement of people's living standards of China's economic society, the demand of railway transportation becomes increasingly
By force.This makes rail transportation system that must greatly improve train running speed, load-carrying and traffic density, to meet this demand.
Train running speed, load-carrying and the raising of traffic density are so that the enhancing of the kinetics function power of rolling stock and interorbital, impact
Frequency improves, and the factor for influencing rail safety also becomes to become increasingly complex.
Wheel track reciprocation is the substantive characteristics of railway transportation, the increase of raising and the load-carrying of train running speed, so that
The enhancing of wheel track reciprocation, influences operation stability and riding comfort；The raising of traffic density can make wheel track reciprocation
Frequently, promote Rail Surface contact fatigue.The vibration fault of car body and rail can constitute seriously public property and personal safety
Threat.Therefore how accurately to detect the vibration of railway and judge that failure is to put very urgent reality in face of railroad operator
Problem.
Inventor has found under study for action, in terms of wheel track interaction vibration monitoring, mainly uses instrumented wheelset, dynamometry steel at present
Rail, ultrasonic Method for Measuring, sound emission method, X-ray measurement method etc..These methods acquisition data need manually to collect more and scene
Operation is limited by maintenance/maintenance time window, also difficult for a wide range of, round-the-clock wheel track interaction detection.
With the development of information technology, wireless communication technique and acceleration transducer technology are applied to railway monitoring system
In.But there are many problems for this traditional Railway Vibration monitor itself, and such as: time-consuming, not in real time, precision is low etc.
Problem.Used processor is usually the micro-control unit of 8 or 16, is used as control core component, utilizes micro process
Device carries out Data Management Analysis to the collected Railway Vibration acceleration signal of acceleration transducer, passes through wired or channel radio
Letter mode transmits data to PC host computer and carries out real-time display, storage and characteristics extraction.The shortcomings that this kind of equipment includes: number
According to poor arithmetic ability, data storage capacity is small, processor unit work dominant frequency is low, man-machine interaction effect is dissatisfied.Due to lacking height
The software and hardware at end supports that waveform diagram resolution ratio is low and can not carry out realtime curve.The biggest problems are that the number of system
It is larger according to acquisition equipment volume, it is not convenient to use.
Summary of the invention
The purpose of this specification embodiment is to provide one kind based on technology of Internet of things railroad track vibration monitor system, is
In high precision, high speed, multichannel real-time online railroad track vibration monitor system.
This specification embodiment provides one kind based on technology of Internet of things railroad track vibration monitor system, passes through following skill
Art scheme is realized:
Include:
Multiple rail vibration monitoring nodes, wireless data gateway and background monitoring center；
The multiple rail vibration monitoring node is divided into several groups, each group of monitoring node nothing corresponding with each group respectively
Line number is according to gateway communication, and respectively with background monitoring center to center communications, the background monitoring center is analyzed in real time to be connect wireless data gateway
The track vibration data received carry out corresponding data processing to each node data, reflect each node location track in real time
Vibration Condition；
Wherein, the rail vibration monitoring node receives the command instruction that wireless data gateway is sent, and first determines whether order
Instruction type instructs if it is reported data, then current data is sent to wireless data gateway by wireless LORA network, and
Update data storage area；If it is the instruction of modification sampling period, then the node sample period is stored in rail vibration monitoring node
In, while modifying the sending cycle of node.
This specification embodiment provides one kind based on technology of Internet of things railroad track vibration monitoring method, passes through following skill
Art scheme is realized:
Include:
Wireless data gateway is communicated by wireless LORA network with node, then the data that receiving node is sent are sentenced
Break its type, and carries out data classification storage；Wireless data gateway sends instructions to node by wireless LORA network simultaneously, real
The sampling period of node is now set, reads the real time data of node；
Wireless data gateway is communicated by 4G network and background monitoring center, regularly sends the data of node acquisition,
Simultaneously radio network gateway upon receipt platform monitoring center instruction after, decision instruction type, execute corresponding operating.
Compared with prior art, the beneficial effect of the disclosure is:
Disclosure integrated use LORA wireless communication technique, MEMS capacitance acceleration sensor technology, 4G wireless telecommunications skill
Art, GPS/BD location technology, micro-energy collection technique and wireless charging technology etc., be high-precision, high speed, multichannel it is real-time
Line railroad track vibration monitor system.
Disclosure railroad track vibration monitoring node is merely responsible for the acquisition and transmission of railroad track vibration data, without
Analysis and processing, so that node energy consumption reduction, extends the working life and maintenance period of node.
The disclosure monitors system and uses tertiary structure, compared to traditional single track vibration prison based on GPRS transmission
Node is surveyed, operating cost is reduced, reduces monitoring node volume, reduce node energy consumption.
The upper computer software of disclosure monitoring center analyzes the track vibration data received in real time, to each node data
Corresponding data processing is carried out, reflects the Vibration Condition of each node location track in real time.Monitoring center is utilized in this way
The powerful data processing function of PC machine, reduces the working time of acquisition node and radio network gateway, is conducive to entirely monitor network
Permanently effective reliable operation.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is the structure chart based on technology of Internet of things railroad track vibration monitor system of embodiment of the present disclosure；
Fig. 2 is the railroad track vibration monitoring node structure chart of embodiment of the present disclosure；
Fig. 3 is the structure chart of the wireless data gateway of embodiment of the present disclosure；
Fig. 4 is the railroad track vibration monitoring node work flow diagram of embodiment of the present disclosure；
Fig. 5 is the wireless data gateway work flow diagram of embodiment of the present disclosure.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The development of technology of Internet of things allows rail monitoring device to get rid of environmental restrictions, can be laid in field, height
At the adverse circumstances such as temperature.There is chronicity, real-time using Internet of Things monitoring railway track, assessed without human error, full line
The advantages that, it has a good application prospect.
Rail safe condition is assessed using rail vibration, is a kind of important means of rail track maintenance.With large size
Mechanical is growing, and the railway system is also badly in need of developing the real-time online acceleration of a kind of satisfaction high-precision, high speed, multichannel
Monitoring analyzer is spent, Lai Gengjia accurate detection Railway Vibration carries out fault verification.
Examples of implementation one
This embodiment disclose one kind to be based on technology of Internet of things railroad track vibration monitor system, referring to figure 1, should
System is made of three-level: rail vibration monitoring node, wireless LORA Communication Gateway and background monitoring center.
In a particular embodiment, the specific structure of rail vibration monitoring node is referring to described in attached drawing 2, by acceleration sensing
Device, rechargeable battery, wireless LORA transceiver, vibration energy collector, thin film solar plate and wireless charging interface composition.
Acceleration transducer uses the capacitance acceleration transducer of silicon MEMS, is responsible for acquisition railroad track and accelerates degree
According to acceleration information is sent to wireless LORA transceiver by its analog output interface circuit.
Wireless LORA transceiver is by wireless LORA network, the wireless data gateway of network where sending the data to it.
Vibration energy collector is responsible for collecting the energy that railroad track vibration generates, and can be filled by energy management chip
Battery charging.
Thin film solar plate collects the electric energy that sunlight generates, and is charged by energy management chip to rechargeable battery.
Wireless charging interface is used in node absolutely not energy, passes through wireless charging device filling to intra-node
Battery charging.
Rechargeable battery provides energy when work, including acceleration transducer and the work of wireless LORA transceiver to node
When required energy.
In embodiment of the present disclosure, using capacitance acceleration transducer, the Vibration Condition of real-time monitoring track.Using thin
Film solar and vibration energy harvesting technology collect energy stores in the battery using micro-energy technology.Using wireless charging skill
Art can be that system battery charges using wireless charging technology by manual maintenance when system battery electricity is exhausted, make be
System monitoring node can work on.The acceleration information vibrated using LORA wireless communication technique transmission rail, transmission range
Farther, power consumption is lower.
In embodiment of the present disclosure, railroad track vibration monitoring node is using the capacitance acceleration sensing based on silicon MEMS
Device, the track vibration suitable for low frequency to intermediate frequency measures, and compared with traditional mechanical vibration measurement device, has reliability
It is high, stability is strong, signal noise is low, size is small and it is low in energy consumption the advantages that.
In embodiment of the present disclosure, railroad track vibration monitoring node is powered using chargeable battery, is assisted with the film sun
Energy battery and vibration energy collector extend the working life of node as energy supplement；Wireless charging is provided simultaneously to connect
Mouthful, it is convenient for artificial charge maintenance.
In a particular embodiment, wireless data gateway by wireless LORA transceiver, data memory module, 4G communication module,
The composition such as GPS/BD locating module, wind light mutual complementing power generation module and AC/DC power conversion module.The structure chart of wireless data gateway
As shown in Fig. 3.
Wireless data gateway is powered using 220V/50Hz AC power source, standby electricity of the battery as wireless data gateway
Source.On the one hand AC power source gives wireless data gateway to power by AC/DC power conversion module, on the one hand charge a battery.
Wind light mutual complementing power generation module acquires wind energy and solar energy, and stores energy in battery.
The output DC voltage of AC/DC power module and battery is converted to wireless data gateway by DC/DC power module
Voltage required for other parts, these parts include GPS/BD locating module, MCU, data memory module, 4G communication module and
Wireless LORA transceiver.
GPS/BD locating module is responsible for providing the geography information of wireless data gateway position, and sends information to
MCU。
Data memory module is responsible for the crucial number that storage wireless data gateway receives when 4G network signal occurs abnormal
It is believed that breath, and send data by 4G network when 4G network recovery is normal.
MCU is responsible for receiving GPS/BD locating module information, receives the data of wireless LORA transceiver, is received by wireless LORA
It sends out device and sends order to node, sent the data information of node by 4G communication module.
On the one hand 4G communication module receives MCU instruction, send monitoring center by 4G network for data information；It is another
Aspect receives monitoring center instruction by 4G network, and sends an instruction to MCU and parsed.
The disclosure is wireless LORA Communication Gateway: 1. choosing Along Railway and be easy to position to take power, and using mains-supplied, scene is mutually
For compensation generating device as supplement, system has backup battery, so that data maintain system to work when something goes wrong, saves dependency number
According to.It is instructed 2. being issued using wireless LORA technology to monitoring node, receives the data that railroad track vibration monitoring node is sent, into
Row is locally stored and remotely sends；It is long-range to send through 4G mechanics of communication, it is sent to Railway Vibration monitoring server.3. using
GPS/BD module, real-time reception location information and temporal information.
The disclosure can be evaluated whether position of each node relative to wireless data gateway using auxiliary LORA wireless location technology
It sets, does not need each node and be equipped with locating module, saved system cost, reduced monitoring node volume, reduced node energy
Consumption.
Disclosure wireless data gateway has data storage function, can be when that can not send data because of 4G network failure, will
Data are stored in local, after 4G network recovery, then transmit data to background server, avoid the occurrence of because 4G network failure is led
The data loss problem of cause.
In specific embodiment, background monitoring center is by structures such as data server, PC machine, monitoring software, ups powers
At.
(1) data server.Store the railroad track vibration data sent by wireless data gateway.
(2) PC host.Run upper computer software, orbit monitoring data are analyzed, by issue monitoring instruction to
Wireless data gateway, each node data of real-time query.
(3) ups power.Power supply is provided for monitoring center.
In embodiment of the present disclosure, data server, that is, Railway Vibration monitoring server: 1. server storage is each wireless
The data that LORA gateway is sent, are stored according to classification such as node address, acquisition times.2. the data of each detection node are pressed
According to acquisition time sequence automatic report generation, when there is abnormal data, warning message is generated, is overhauled in time.
In embodiment of the present disclosure, the upper computer software of monitoring center analyzes the track vibration data received in real time, right
Each node data carries out corresponding data processing, reflects the Vibration Condition of each node location track in real time.This way benefit
With the powerful data processing function of monitoring center PC machine, the working time of acquisition node and radio network gateway is reduced, is conducive to
The entire monitoring permanently effective reliable operation of network.
Examples of implementation two
This embodiment disclose one kind to be based on technology of Internet of things railroad track vibration monitoring method, which can be with base
The specific monitoring system that monitoring system in examples of implementation one is realized, but is not limited to the above embodiments in son one.
The workflow of node is as shown in Figure 4.
Node is usually in Low-power-consumptiodormancy dormancy mode, and when track vibrates, node is waken up, and acquires acceleration sensing
Device data simultaneously store.Simultaneously every a timing cycle, sampling is carried out to cell voltage and will be sampled.If cell voltage is lower than
When given threshold, wireless data gateway is sent by battery voltage data, informs that its node voltage is too low and needs to safeguard.
Node receives the command instruction that radio network gateway is sent, and first determines whether command instruction type:
(1) it is instructed if it is reported data, then current data is sent to radio network gateway by wireless LORA network, and more
New data memory block.
(2) if it is the instruction of modification sampling period, then the node sample period is stored in the nonvolatile storage of node,
The sending cycle of node is modified simultaneously.
3. the data frame format that node is sent
The data frame that node is sent is divided into following several
(1) Oscillation Amplitude acquires data frame
Wherein frame head is hexadecimal number 0x55, and postamble 0xAA, frame type is 0x01；Address code, using two bytes
Hexadecimal number indicates；The vibration data in three directions is indicated using two byte hexadecimal numbers；Verification uses CRC check,
Verification and two bytes.
(2) battery voltage acquisition data frame
| Frame head | Frame type | Address code | Cell voltage | Verification and | Postamble |
| 0x55 | 0x02 | XXX | XXX | XXX | 0xAA |
Wherein frame head is hexadecimal number 0x55, and postamble is that 0xAA frame type is 0x02；Address code, using two bytes ten
Senary number indicates；Battery voltage data is indicated using two byte hexadecimal numbers；Verification uses CRC check, verification and two
A byte.
(3) command response data frame
| Frame head | Frame type | Address code | Verification and | Postamble |
| 0x55 | 0x03 | XXX | XXX | 0xAA |
Wherein frame head is hexadecimal number 0x55, and postamble 0xAA, frame type is 0x03；Address code, using two bytes
Hexadecimal number indicates；Battery voltage data is indicated using two byte hexadecimal numbers；Verification use CRC check, verification and
Two bytes.
In addition, in order to reduce node power consumption, it is main to use both sides measure:
(1) in terms of power supply: being powered using high density battery；Vibrational energy acquisition module and thin-film solar cells carry out energy
Amount is collected, by the energy stores of acquisition into battery.
(2) node power consumption control aspect: reducing the transmitting data frequency, according to track vibration situation, dynamic adjustment transmitting number
According to interval time.
Wireless data gateway workflow is as shown in Figure 5.
The workflow of wireless data gateway is as follows:
Wireless data gateway is communicated by wireless LoRa network with node, then the data that receiving node is sent are sentenced
Break its type, and carries out data classification storage；Wireless data gateway sends instructions to node by wireless LoRa network simultaneously, this
A little instructions can be broadcast mode, be also possible to addressing mode, by instructing the sampling period that setting node may be implemented, reading
The functions such as the real time data of node.
Wireless data gateway is communicated by 4G network with server, and the data of node acquisition are regularly sent.Nothing simultaneously
Gauze closes after receiving server instruction, decision instruction type, executes corresponding operating.
3. radio network gateway data frame format
The data frame that radio network gateway is sent is divided into following several
(1) acquisition node vibration data command frame
| Frame head | Frame type | Address code | Verification and | Postamble |
| 0x55 | 0x01 | XXX | XXX | 0xAA |
Wherein frame head is hexadecimal number 0x55, and postamble 0xAA, frame type is 0x01；Address code, using two bytes
Hexadecimal number indicates；Verification uses CRC check, verification and two bytes.
(2) acquisition node cell voltage command frame
| Frame head | Frame type | Address code | Verification and | Postamble |
| 0x55 | 0x02 | XXX | XXX | 0xAA |
Wherein frame head is hexadecimal number 0x55, and postamble 0xAA, frame type is 0x02；Address code, using two bytes
Hexadecimal number indicates；Verification uses CRC check, verification and two bytes.
(3) node sample cycles per instruction frame is modified
| Frame head | Frame type | Address code | Sampling period | Verification and | Postamble |
| 0x55 | 0x03 | XXX | XXX | XXX | 0xAA |
Wherein frame head is hexadecimal number 0x55, and postamble 0xAA, frame type is 0x03；Address code, using two bytes
Hexadecimal number indicates；Sampling period indicated using byte hexadecimal number, and unit is the second, setting range 1~255 second；
Verification uses CRC check, verification and two bytes.
(4) radio network gateway sends data frame
| Frame head | Frame type | Data amount check | Data 1 | Data 2 | 、、、 | Data N | Verification and | Postamble |
| 0x55 | 0x04 | N | XXX | XXX | 、、、 | XXX | XXX | 0xAA |
Wherein frame head is hexadecimal number 0x55, and postamble 0xAA, frame type is 0x04；Data amount check N, using a word
Hexadecimal number is saved, indicates the data group number sent；1~data of data N indicates the current data of N number of node, includes node
Address and node vibrations data；；Verification uses CRC check, verification and two bytes.
The upper computer software of monitoring center analyzes the track vibration data received in real time, carries out phase to each node data
The data processing answered reflects the Vibration Condition of each node location track in real time.Monitoring center PC machine is utilized in this way
Powerful data processing function reduces the working time of acquisition node and radio network gateway, and be conducive to entirely to monitor network has for a long time
The reliable operation of effect.
It is understood that in the description of this specification, reference term " embodiment ", " another embodiment ", " other
The description of embodiment " or " first embodiment~N embodiment " etc. means specific spy described in conjunction with this embodiment or example
Sign, structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned
The schematic representation of term may not refer to the same embodiment or example.Moreover, the specific features of description, structure, material
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. one kind is based on technology of Internet of things railroad track vibration monitor system, characterized in that include:
Multiple rail vibration monitoring nodes, wireless data gateway and background monitoring center；
The multiple rail vibration monitoring node is divided into several groups, each group of monitoring node no line number corresponding with each group respectively
According to gateway communication, respectively with background monitoring center to center communications, the background monitoring center is analyzed in real time to be received wireless data gateway
Track vibration data, corresponding data processing is carried out to each node data, reflects the vibration of each node location track in real time
Emotionally condition；
Wherein, the rail vibration monitoring node receives the command instruction that wireless data gateway is sent, and first determines whether command instruction
Type instructs if it is reported data, then current data is sent to wireless data gateway by wireless LORA network, and update
Data storage area；If it is the instruction of modification sampling period, then the node sample period is stored in rail vibration monitoring node, together
The sending cycle of Shi Xiugai node.
2. as described in claim 1 a kind of based on technology of Internet of things railroad track vibration monitor system, characterized in that rail vibration
Dynamic monitoring node includes acceleration transducer and wireless LORA transceiver, and the acceleration transducer uses the condenser type of silicon MEMS
Acceleration transducer is responsible for acquisition railroad track acceleration information, is sent acceleration information by its analog output interface circuit
To wireless LORA transceiver, wireless LORA transceiver is by wireless LORA network, and network is wireless where sending the data to it
Data gateway.
3. as claimed in claim 2 a kind of based on technology of Internet of things railroad track vibration monitor system, characterized in that rail vibration
Dynamic monitoring node further includes rechargeable battery, vibration energy collector, thin film solar plate and wireless charging interface；
The vibration energy collector collects the energy that railroad track vibration generates, and gives chargeable electricity by energy management chip
Pond charging；
The thin film solar plate collects the electric energy that sunlight generates, and is charged by energy management chip to rechargeable battery；
The wireless charging interface is used in node absolutely not energy, passes through wireless charging device filling to intra-node
Battery charging；
The rechargeable battery provides energy when work, including acceleration transducer and the work of wireless LORA transceiver to node
When required energy.
4. as described in claim 1 a kind of based on technology of Internet of things railroad track vibration monitor system, characterized in that the nothing
Line data gateway includes wireless LORA transceiver, data memory module, 4G communication module, GPS/BD locating module；
The GPS/BD locating module is responsible for providing the geography information of wireless data gateway position, and sends information to
MCU；
The data memory module is responsible for the crucial number that storage wireless data gateway receives when 4G network signal occurs abnormal
It is believed that breath, and send data by 4G network when 4G network recovery is normal；
The MCU is responsible for receiving GPS/BD locating module information, receives the data of wireless LORA transceiver, is received by wireless LORA
It sends out device and sends order to node, sent the data information of node by 4G communication module；
On the one hand the 4G communication module receives MCU instruction, send monitoring center by 4G network for data information；It is another
Aspect receives monitoring center instruction by 4G network, and sends an instruction to MCU and parsed.
5. as claimed in claim 4 a kind of based on technology of Internet of things railroad track vibration monitor system, characterized in that the nothing
Line data gateway further include: battery, AC/DC power module, DC/DC power module and wind light mutual complementing power generation module；
The wireless data gateway is powered using 220V/50Hz AC power source, standby electricity of the battery as wireless data gateway
Source；
AC power source divides two-way by the output of AC/DC power module, is connected to DC/DC power module all the way, another way is connected to
Battery；
The wind light mutual complementing power generation module acquisition wind energy and solar energy, and store energy in battery；
DC/DC power module by the output DC voltage of AC/DC power module and battery be converted to wireless data gateway other
Voltage required for part, wireless data gateway other parts include GPS/BD locating module, MCU, data memory module, 4G logical
Interrogate module and wireless LORA transceiver.
6. as described in claim 1 a kind of based on technology of Internet of things railroad track vibration monitor system, characterized in that after described
Platform monitoring center is by data server, PC machine and ups power；
Data server stores the railroad track vibration data that is sent by wireless data gateway, PC host to orbit monitoring data into
Row analysis gives wireless data gateway, each node data of real-time query by issuing monitoring instruction；
Ups power provides power supply for background monitoring center.
7. one kind is based on technology of Internet of things railroad track vibration monitoring method, characterized in that include:
Wireless data gateway is communicated by wireless LORA network with node, then the data that receiving node is sent judge it
Type, and carry out data classification storage；Wireless data gateway sends instructions to node by wireless LORA network simultaneously, and realization is set
It sets the sampling period of node, read the real time data of node；
Wireless data gateway is communicated by 4G network and background monitoring center, regularly sends the data of node acquisition, simultaneously
For radio network gateway upon receipt after the instruction of platform monitoring center, decision instruction type executes corresponding operating.
8. as claimed in claim 7 a kind of based on technology of Internet of things railroad track vibration monitoring method, characterized in that monitoring section
Point receives wireless data network and closes the command instruction sent, and first determines whether command instruction type, instructs if it is reported data, then will
Current data is sent to wireless data gateway by wireless LORA network, and updates data storage area；If it is modification sampling week
The node sample period, then be stored in rail vibration monitoring node, while modifying the sending cycle of node by phase instruction.
9. as claimed in claim 7 a kind of based on technology of Internet of things railroad track vibration monitoring method, characterized in that monitoring section
O'clock every a timing cycle, to cell voltage carry out sampling and will sampling will be electric if cell voltage is lower than given threshold
Cell voltage data are sent to wireless data gateway.
10. as claimed in claim 7 a kind of based on technology of Internet of things railroad track vibration monitoring method, characterized in that monitoring
Node is usually in Low-power-consumptiodormancy dormancy mode, and when track vibrates, monitoring node is waken up, and acquires acceleration transducer number
According to.
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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 |
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