CN209265695U - A kind of Freeway Conditions automatic information collecting device based on NB-IoT technology - Google Patents
A kind of Freeway Conditions automatic information collecting device based on NB-IoT technology Download PDFInfo
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- CN209265695U CN209265695U CN201821973069.2U CN201821973069U CN209265695U CN 209265695 U CN209265695 U CN 209265695U CN 201821973069 U CN201821973069 U CN 201821973069U CN 209265695 U CN209265695 U CN 209265695U
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Abstract
The utility model discloses a kind of Freeway Conditions automatic information collecting devices based on NB-IoT technology, comprising: for the traffic information of acquisition being handled and being stored and master controller that timing uploads, the solar battery for providing electric energy, the meteorological data collection instrument for being acquired to the weather information along highway, the road table-like condition detector being acquired for the road table information to highway and for acquiring express highway pavement image and carrying out the long-range high score laser camera of pavement behavior judgement；The master controller connection solar battery, meteorological data collection instrument, road table-like condition detector and long-range high score laser camera.The utility model can weather information to highway, traffic information, emergency information carry out automatic collection and processing, and information timing will be acquired by NB-IoT cellular communication and be uploaded to freeway surveillance and control center, more scientific accurate anticipation can be carried out to road conditions, effectively improve highway efficiency of operation and safety coefficient.
Description
Technical field
The utility model relates to information collecting device technical field, specifically a kind of high speed based on NB-IoT technology
Highway condition automatic information collecting device.
Background technique
The principal element for threatening highway operation includes the calamities such as dense fog, low visibility, heavy rain, icing, accumulated snow and strong wind
Evil property weather, the emergency situations such as the geological disasters such as mud-rock flow and landslide and road breakage, barrier and driving accident, therefore
It needs effectively to monitor Freeway Conditions and issue in time warning information, to guarantee traffic safety.Due to highway
The characteristics of be that region covering is wide, it is with a varied topography on the way, therefore Freeway Conditions monitoring device faces long transmission distance, equipment
The problems such as number of access point is big, networking is complicated.
3GPP normal structure is proposed for application demands such as electric system, the long-range monitoring of common equipment facility and controls
A kind of new cellular telecommunication art: NB-IoT (Narrow Band Internet of Things, narrowband Internet of Things).NB-IoT
An emerging technology of internet of things field, support low power consuming devices wide area network cellular data connect, while also support to
The machine time is long, the efficient connection to network connectivity requirements higher device, it has, and covering is wide, connection is more, rate is fast, it is at low cost,
The low in energy consumption, features such as framework is excellent, can be widely applied to a variety of vertical industries, as remote meter reading, asset tracking, intelligent parking,
The fields such as wisdom agricultural, wisdom security protection, shared bicycle, smart home.
Existing Freeway Conditions information collecting device generally use wire communication or legacy cellular wireless technology with
Monitoring center is communicated.Wired communication mode needs to be laid with the communications cable of long range, and cable laying is cumbersome and at high cost.It passes
The system open ended connection limited amount of communication, poor expandability, and also it is big to wirelessly communicate power consumption.Existing scheme is adopted more
It with mains-supplied, needs for electric wire to be routed near monitoring point, then 220V alternating current is converted into after low-voltage DC to road conditions
Information collecting device power supply.It, can not be to weather information, traffic information, prominent in addition, existing road conditions information gathering functions of the equipments are single
Hair event information is monitored and acquires simultaneously, therefore can not road conditions be carried out with comprehensive anticipation.
The shortcomings that Freeway Conditions information collecting device existing technical solution includes: the wired communication mode that it is used
Need to be laid with the communications cable of long range, cable laying is cumbersome and at high cost；The traditional wireless communication mode of use is open ended
Limited amount, poor expandability are connected, and it is big to wirelessly communicate power consumption；Using mains-supplied, electric wire disposes heavy workload and valence
Lattice are expensive；Functions of the equipments are single, and can not road conditions be carried out with comprehensive anticipation.
Utility model content
Aiming at the defects existing in the prior art, the technical problem to be solved by the present invention is to provide one kind
Freeway Conditions automatic information collecting device based on NB-IoT technology.
The utility model technical solution used for the above purpose is: a kind of high speed based on NB-IoT technology is public
Road traffic information automatic acquisition device, comprising: the master for the traffic information of acquisition to be handled and stored and timing uploads
Controller, the solar battery for providing electric energy, the meteorological number for being acquired to the weather information along highway
The road table-like condition detector that is acquired according to Acquisition Instrument, for the road table information to highway and for acquiring highway road
Face image and the long-range high score laser camera for carrying out pavement behavior judgement；The master controller connects solar battery, meteorology
Data collecting instrument, road table-like condition detector and long-range high score laser camera.
The weather information includes one of temperature, wind speed, wind direction, humidity, rainfall, visibility, road surface roadbed humidity
Or it is several.
The road table information includes one of road table temperature, water layer thickness, ice thickness, snow thickness or several.
The pavement behavior judgement includes judging whether road surface has foreign matter, collapses crackle, the damage of road surface roadbed, geological disaster
And one of burst traffic accident or several.
The master controller includes: CPU module, wireless communication module, peripheral interface module, signal conditioning module, storage
Module, LCD display module, key module, power module and clock module；
The CPU module connects wireless communication module, signal conditioning module, memory module, LCD display module, key mould
Block, power module and clock module；Power module connection wireless communication module, peripheral interface module, signal conditioning module,
Memory module, LCD display module, key module, power module and clock module, for connecting solar battery；The signal
Conditioning module connects peripheral interface module, and the peripheral interface module is for connecting meteorological data collection instrument, road table condition detection
Instrument and long-range high score laser camera；
The CPU module is used to receive the weather information of acquisition, road table letter by signal conditioning module, peripheral interface module
The input information of breath, pavement behavior and key module, and logic judgment is carried out, while judging result is sent to radio communication mold
Block and LCD display module；
The wireless communication module is for wirelessly by CPU module treated information according to the narrowband NB-IoT
Internet of Things fidonetFido is sent to monitoring center, while receiving the remote control command of monitoring center and being transmitted to CPU module；
The signal conditioning module is taken the photograph for receiving meteorological data collection instrument, road table-like condition detector, long-range high score laser
The raw information of camera acquisition, and raw information is improved to the electric signal that can be identified at CPU module；
Memory module is used to store the information of CPU module handled, to periodically be uploaded to monitoring center；
LCD display module is used to show the operating status and warning information of the traffic information automatic acquisition device；
Key module is used to input the information of user setting；
Clock module is used to provide system clock and sleep clock for CPU module.
The CPU module uses embedded processors ARM chip, model STM32H743.
The wireless communication module thinks 120 chip of Boudica using sea.
The peripheral interface module connects meteorological data collection instrument by RS232 serial ports, passes through RS485 serial ports link road table
Condition detection instrument connects long-range high score laser camera by RS485 serial ports.
The power module includes for 48V DC voltage to be converted to the first commutator transformer of 24V DC voltage, is used
In 48V DC voltage to be converted to the second commutator transformer of 5V DC voltage, is used to 48V DC voltage being converted to 3.6V
The third commutator transformer of DC voltage, the 4th direct current transformation for 48V DC voltage to be converted to 3.3V DC voltage
Device.
The utility model have the following advantages that and the utility model has the advantages that
1, the utility model can weather information, traffic information, emergency information to highway adopted automatically
Collection and processing, and information timing will be acquired by NB-IoT cellular communication and be uploaded to freeway surveillance and control center, it can be to road conditions
More scientific accurate anticipation is carried out, highway efficiency of operation and safety coefficient are effectively improved.
2, the utility model has the characteristics that deployment is flexible, communication distance is remote, low in energy consumption, in Freeway Conditions monitoring side
Face has very extensive application prospect and market value.
3, the utility model use NB-IoT cellular radio Communication and solar cell for supplying power, therefore networking lay when without
It must be laid with cable, manpower and material resources are saved, reduce highway operation cost significantly.
4, the utility model is low in energy consumption and communication distance is remote, and the NB-IoT wireless communication chips normal Standby power consumption of use is only
Need milliwatt (mW) grade, power consumption very little, and due to being able to carry out remote wireless transmission, than traditional cellular wireless technologies
Coverage area is big.
5, the utility model data transmission security is higher, and NB-IoT is based on dedicated frequency spectrum, the bi-directional authentification and stringent of eating dishes without rice or wine
Encryption, provides carrier-class safe and reliable ability, ensures the transmission security of user data.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the power module of the utility model；
Fig. 3 is the structural schematic diagram of the clock module of the utility model；
Fig. 4 is the structural schematic diagram of the peripheral interface module of the utility model；
Fig. 5 is the structural schematic diagram of the signal conditioning module of the utility model；
Fig. 6 is the CPU module of the utility model and the structural schematic diagram of memory module；
Fig. 7 is the work flow diagram of the master controller of the utility model；
Fig. 8 is the wireless communication module of the utility model, CPU module, the attachment structure schematic diagram of memory module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
As shown in Figure 1, a kind of Freeway Conditions automatic information collecting device that the utility model provides, by master controller
1, solar battery 2, meteorological data collection instrument 3, road table-like condition detector 4, long-range 5 five part of high score laser camera composition.
Master controller 1 is by CPU module 101, wireless communication module 102, peripheral interface module 103, signal conditioning module 104, storage mould
The modules such as block 105, LCD display module 106, key module 107, power module 108, clock module 109 composition.It is being electrically connected
On, CPU module 101 respectively with wireless communication module 102, LCD display module 106, key module 107, signal conditioning module
104, clock module 109, power module 108 are connected；Power module 108 and solar battery 2 and other all modules are homogeneous
Even；Signal conditioning module 104 is connected with CPU module 101, peripheral interface module 103 respectively；Peripheral interface module 103 respectively with
Meteorological data collection instrument 3, road table-like condition detector 4, long-range high score laser camera 5 are connected.
The effect of master controller 1 is that the traffic information of acquisition is handled and stored, and timing is uploaded to monitoring center.
Meanwhile main controller 1 carries out logic judgment to acquisition information according to the threshold value of warning of setting, immediately to prison if being more than threshold value of warning
Control center sends warning information, and notice monitoring center opens the early warning mark along expressway.
CPU module 101 uses embedded processors ARM chip, and model STM32H743 is the core of master controller 1,
It is to receive the input information of the traffic information and key module 107 that acquire, and carry out logic judgment, while judgement being tied that it, which is acted on,
Fruit is sent to wireless communication module 102 and LCD display module 106；
Wireless communication module 102 thinks 120 chip of Boudica using Huawei sea, and effect is wirelessly by CPU
Treated the traffic information of module 101 is sent to monitoring center according to NB-IoT protenchyma networking protocol, while receiving in monitoring
The remote control command of the heart is simultaneously transmitted to CPU module 101；
The effect of peripheral interface module 103 is by meteorological data collection instrument 3, road table-like condition detector 4, long-range high score laser
Video camera 5 is connected on master controller 1, receives information, Er Qiewei by RS232, RS485, RS485 serial communication protocol respectively
Three kinds of information collection instrument power supplies；
The effect of signal conditioning module 104 is to receive meteorological data collection instrument 3, road table-like condition detector 4, long-range high shunt excitation
The raw information that light video camera 5 acquires, and raw information is improved to the electric signal that can be identified at CPU module 101；
The effect of memory module 105 is the traffic information handled for storing CPU module 101, to periodically be uploaded to prison
Control center；
The effect of LCD display module 106 is to show the operating status and warning information of traffic information automatic acquisition device；
Key module 107 is used to input the information such as the threshold value of warning of user setting；
Solar battery 2 and power module 108 provide power supply for all modules of traffic information automatic acquisition device；
Clock module 109 is that CPU module 101 provides system clock and sleep clock；
Meteorological data collection instrument 3 is to the temperature along highway, wind speed, wind direction, humidity, rainfall, visibility, road surface road
The weather conditions such as base humidity carry out automatic collection；
Road table-like condition detector 4 carries out certainly highway road table temperature, water layer thickness, ice thickness, the road Xue Houdeng expression condition
Dynamic acquisition calculates that road is wet and slippery and coefficient of friction by various road table parameters for judging the states such as road table water, ice, frost；
Long-range high score laser camera 5 carries out image analysis processing, for judge road surface whether have foreign matter, collapse crackle,
The situations such as the damage of road surface roadbed, geological disaster and burst traffic accident.
Principle explanation: it is that solar battery 2 is powered to all circuit modules of the utility model first, makes each circuit module
It operates normally.User carries out human-computer interaction by LCD display module 106 and key module 107 and the utility model, pre- to be arranged
Alert threshold value and the operating status and warning information for checking the present apparatus.It is meteorological data collection instrument 3, road table-like condition detector 4, long-range
The traffic information of acquisition is passed through RS232, RS485, RS485 serial communication protocol by 5 three kinds of instruments of high score laser camera respectively
It is sent to master controller 1, traffic information is handled and stored by master controller 1, and timing passes through the narrowband NB-IoT Internet of Things
Traffic information is sent to monitoring center by fidonetFido；Meanwhile main controller 1 patrols traffic information according to the threshold value of warning of setting
Judgement is collected, sends warning information to monitoring center immediately if being more than threshold value of warning, is notified along monitoring center unlatching expressway
Early warning mark, it is this burst upload priority be higher than timing upload priority.
Action relationships: the technical solution of the utility model is realized by following steps:
A1) solar battery 2 gives 108 offer+48V power supply of power module, and power module 108 converts the power supply of+48V
At a variety of low voltage power supply so that other circuit modules in the utility model work normally.
A2) CPU module 101 work normally after, to other circuit modules carry out initial configuration, and start to process information,
Carry out logic judgment.
A3) user carries out human-computer interaction by LCD display module 106 and key module 107 and the utility model, with setting
Threshold value of warning and the operating status and warning information for checking the present apparatus.
A4) 5 three kinds of meteorological data collection instrument 3, road table-like condition detector 4, long-range high score laser camera instruments respectively will
The traffic information of acquisition is sent to master controller 1.
A5) master controller 1 handles traffic information, and processing result is saved in memory module 105, and timing is logical
It crosses NB-IoT protenchyma networking protocol and traffic information is sent to monitoring center.
A6) main controller 1 carries out logic judgment to traffic information according to the threshold value of warning of setting, stands if being more than threshold value of warning
Warning information is sent to monitoring center, notice monitoring center opens the early warning mark along expressway, and practical at this
Warning information is shown in novel LCD display module 106.
As described in implementation steps A1 above, as shown in Fig. 2, solar battery 2 gives 108 offer+48V power supply of power module.
Power module 108 is made of commutator transformer 1, commutator transformer 2, commutator transformer 3, commutator transformer 4；Commutator transformer 1
By+48V power conversion at+24V power supply, taken the photograph respectively to meteorological data collection instrument 3, road table-like condition detector 4, long-range high score laser
5 three kinds of instrument offer+24V power supplys of camera；Commutator transformer 2 at+5V power supply, gives+48V power conversion to LCD display module 106
Offer+5V power supply；Commutator transformer 3 at+3.6V power supply, gives+48V power conversion to wireless communication module offer+3.6V electricity
Source；Commutator transformer 4 by+48V power conversion at+3.3V power supply, respectively to signal conditioning module 104, memory module 105, press
Key module 107,109 offer+3.3V power supply of clock module.
As described in implementation steps A2 above, clock module generates two kinds of clock frequencies of 25MHz and 18kHz, as shown in figure 3,
System clock and sleep clock are provided to the ARM chip of CPU module 101 respectively；It is right respectively after CPU module 101 works normally
Wireless communication module 102 and LCD display module 106 carry out initial configuration；CPU module 101 starts to process information, carries out logic
Judgement.
As described in implementation steps A4 above, as shown in figure 4, meteorological data collection instrument 3 is to temperature, the wind along highway
The weather conditions such as speed, wind direction, humidity, rainfall, visibility, road surface roadbed humidity carry out automatic collection, and acquisition information is passed through
RS232 serial communication protocol is sent to the peripheral interface module 103 of master controller 1；Road table-like condition detector 4 is to highway road
Table temperature, water layer thickness, ice thickness, the road Xue Houdeng expression condition carry out automatic collection, for judging the states such as road table water, ice, frost, lead to
It crosses various road table parameters and calculates that roads are wet and slippery and coefficient of friction, and acquisition information is sent to by RS485 serial communication protocol
The peripheral interface module 103 of master controller 1；Long-range high score laser camera 5 carries out image analysis processing, for judging that road surface is
It is no to have foreign matter, collapse the situations such as crackle, the damage of road surface roadbed, geological disaster and burst traffic accident, and acquisition information is led to
Cross the peripheral interface module 103 that RS485 serial communication protocol is sent to master controller 1.
As described in implementation steps A5 above, the road conditions that signal conditioning module 104 transmits peripheral interface module 103 are believed
After breath is improved, it is sent to CPU module 101, as shown in Figure 5；CPU module 101 handles traffic information, and will processing
As a result it is saved in memory module 105, as shown in Figure 6；101 timing of CPU module passes through RS232 serial communication protocol for road conditions
Information processing result is sent to wireless communication module 102；Traffic information is wirelessly sent by wireless communication module 102
To monitoring center.
As described in implementation steps A6 above, as shown in fig. 7, CPU module 101 by the threshold value of warning of user setting with collect
Real-time road condition information be compared, judge whether there is alert；If real-time road condition information is more than threshold value of warning, immediately by early warning
Module 102 is sent to monitoring center to information by wireless communication with the traffic information being stored in memory module 105, such as Fig. 8 institute
Show, notice monitoring center opens the early warning mark along expressway, and the priority that this burst uploads is higher than timing and uploads
Priority；After CPU module 101 judges prediction occurring situation, control LCD display module 106 shows warning information；If alert
Feelings persistently exist, then lasting burst uploads early warning and traffic information, if alert releases, restore timing acquiring and send road conditions
The upload mode of information.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (9)
1. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology characterized by comprising for pair
The traffic information of acquisition handled and stored and timing upload master controller (1), for providing the solar battery of electric energy
(2), the meteorological data collection instrument (3) for being acquired to the weather information along highway, for highway
The road table-like condition detector (4) and sentence for acquiring express highway pavement image and carrying out pavement behavior that road table information is acquired
Disconnected long-range high score laser camera (5)；The master controller (1) connection solar battery (2), meteorological data collection instrument (3),
Road table-like condition detector (4) and long-range high score laser camera (5).
2. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 1,
It is characterized in that, the weather information includes one of temperature, wind speed, wind direction, humidity, rainfall, visibility, road surface roadbed humidity
Or it is several.
3. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 1,
It is characterized in that, the road table information includes one of road table temperature, water layer thickness, ice thickness, snow thickness or several.
4. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 1,
It is characterized in that, the pavement behavior judgement includes judging whether road surface has foreign matter, collapses crackle, the damage of road surface roadbed, geology calamity
One of evil and burst traffic accident are several.
5. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 1,
It is characterized in that, the master controller (1) includes: CPU module (101), wireless communication module (102), peripheral interface module
(103), signal conditioning module (104), memory module (105), LCD display module (106), key module (107), power module
(108) and clock module (109)；
The CPU module (101) connects wireless communication module (102), signal conditioning module (104), memory module (105), LCD
Display module (106), key module (107), power module (108) and clock module (109)；The power module (108) is even
Wireless communication module (102), peripheral interface module (103), signal conditioning module (104), memory module (105), LCD is met to show
Module (106), key module (107), power module (108) and clock module (109), for connecting solar battery (2)；Institute
Signal conditioning module (104) connection peripheral interface module (103) is stated, the peripheral interface module (103) is for connecting meteorological number
According to Acquisition Instrument (3), road table-like condition detector (4) and long-range high score laser camera (5)；
The CPU module (101) is used to receive the meteorology of acquisition by signal conditioning module (104), peripheral interface module (103)
Information, road table information, the input information of pavement behavior and key module (107), and carry out logic judgment, while by judging result
It is sent to wireless communication module (102) and LCD display module (106)；
The wireless communication module (102) is for wirelessly by CPU module (101) treated information according to NB-IoT
Protenchyma networking protocol is sent to monitoring center, while receiving the remote control command of monitoring center and being transmitted to CPU module
(101)；
The signal conditioning module (104) is for receiving meteorological data collection instrument (3), road table-like condition detector (4), long-range high score
The raw information of laser camera (5) acquisition, and raw information is improved to the electric signal that can be identified at CPU module (101)；
Memory module (105) is used to store the information of CPU module (101) handled, to periodically be uploaded to monitoring center；
LCD display module (106) is used to show the operating status and warning information of the traffic information automatic acquisition device；
Key module (107) is used to input the information of user setting；
Clock module (109) is used to provide system clock and sleep clock for CPU module (101).
6. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 5,
It is characterized in that, the CPU module (101) uses embedded processors ARM chip, model STM32H743.
7. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 5,
It is characterized in that, the wireless communication module (102) thinks 120 chip of Boudica using sea.
8. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 5,
It is characterized in that, the peripheral interface module (103) is gone here and there by RS232 serial ports connection meteorological data collection instrument (3) by RS485
Mouth link road table-like condition detector (4) passes through RS485 serial ports and connects long-range high score laser camera (5).
9. a kind of Freeway Conditions automatic information collecting device based on NB-IoT technology according to claim 5,
It is characterized in that, the power module (108) includes becoming for 48V DC voltage to be converted to the first direct current of 24V DC voltage
Depressor, is used to convert 48V DC voltage the second commutator transformer for 48V DC voltage to be converted to 5V DC voltage
Third commutator transformer for 3.6V DC voltage, the 4th direct current for 48V DC voltage to be converted to 3.3V DC voltage
Transformer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111127883A (en) * | 2019-12-17 | 2020-05-08 | 长安大学 | Method and system for measuring and calculating safe driving speed of intelligent vehicle by considering road surface state |
| CN117896598A (en) * | 2024-03-15 | 2024-04-16 | 北京希嘉创智数据技术有限公司 | Visual image data acquisition device and acquisition method |
-
2018
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111127883A (en) * | 2019-12-17 | 2020-05-08 | 长安大学 | Method and system for measuring and calculating safe driving speed of intelligent vehicle by considering road surface state |
| CN111127883B (en) * | 2019-12-17 | 2020-10-30 | 长安大学 | Method and system for measuring and calculating safe driving speed of intelligent vehicle by considering road surface state |
| WO2021120629A1 (en) * | 2019-12-17 | 2021-06-24 | 长安大学 | Intelligent safe vehicle speed measurement method and system capable of considering state of road surfaces |
| US11904865B2 (en) | 2019-12-17 | 2024-02-20 | Chang'an University | Intelligent safe vehicle speed measurement method and system capable of considering state of road surface |
| CN117896598A (en) * | 2024-03-15 | 2024-04-16 | 北京希嘉创智数据技术有限公司 | Visual image data acquisition device and acquisition method |
| CN117896598B (en) * | 2024-03-15 | 2024-05-31 | 北京希嘉创智数据技术有限公司 | Visual image data acquisition device and acquisition method |
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