CN110751838A - Highway longitudinal gradient freight train early warning device that grows up - Google Patents

Highway longitudinal gradient freight train early warning device that grows up Download PDF

Info

Publication number
CN110751838A
CN110751838A CN201911082716.XA CN201911082716A CN110751838A CN 110751838 A CN110751838 A CN 110751838A CN 201911082716 A CN201911082716 A CN 201911082716A CN 110751838 A CN110751838 A CN 110751838A
Authority
CN
China
Prior art keywords
vehicle
module
early warning
information
license plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911082716.XA
Other languages
Chinese (zh)
Inventor
张续光
廖丽
曾川
吕念南
李晓伟
于洪江
蒋云锋
梁甜甜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Jianzhu College
Original Assignee
Chongqing Jianzhu College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Jianzhu College filed Critical Chongqing Jianzhu College
Priority to CN201911082716.XA priority Critical patent/CN110751838A/en
Publication of CN110751838A publication Critical patent/CN110751838A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/017Detecting movement of traffic to be counted or controlled identifying vehicles
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/065Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count

Abstract

The invention provides a highway long and large longitudinal slope truck early warning device, which comprises: the vehicle-mounted terminal and the first early warning unit are wirelessly connected with the cloud sharing platform, and the cloud sharing platform is provided with a cloud database for realizing information interaction between the vehicle-mounted terminal and the first early warning unit; the vehicle-mounted terminal comprises an input module, the input module is used for a user to input vehicle related information, the vehicle related information at least comprises vehicle license plate information and actual weight information when a vehicle is loaded, and the vehicle-mounted terminal is connected with the cloud sharing platform and transmits the vehicle related information to the cloud sharing platform; the first early warning unit is used for identifying vehicle information and sending out early warning signals to the vehicle based on road condition information. The invention can carry out early warning on the danger of the vehicle passing through a long longitudinal slope in time so as to ensure the safe driving of the truck.

Description

Highway longitudinal gradient freight train early warning device that grows up
Technical Field
The invention mainly relates to the technical field related to road safety, in particular to an early warning device for a long and large longitudinal slope truck on a highway.
Background
Safety issues have always been a primary issue during vehicle operation. In vehicles, particularly trucks carrying heavy objects, traffic accidents are very likely to occur when the driver passes through an unfamiliar road section. Particularly when the vehicle is traversing a stretch of road having a long longitudinal slope. As is known, when the overall weight of a vehicle is heavier, the effective braking distance of the vehicle is larger, and when a truck carrying a heavy object passes through a long longitudinal slope section, if the vehicle is not braked in time, the vehicle cannot be braked effectively on the long longitudinal slope section due to the vehicle weight, the vehicle speed and the like, so that traffic accidents are caused.
In the prior art, the early warning device arranged on a long longitudinal slope section is generally only a simple warning board, and is easy to be ignored by a driver in the driving process of a vehicle, so that the early warning function of the early warning device is very limited. Therefore, designing an effective truck early warning device for a long longitudinal slope of a road to ensure the safety of a truck running on the long longitudinal slope is a technical problem to be solved by related technical personnel.
Disclosure of Invention
In order to solve the problems, the invention provides a warning device for a long and large longitudinal slope truck on a highway, which can effectively warn a load truck when passing through the long and large longitudinal slope so as to ensure the safe running of the truck.
The technical scheme of the invention is as follows:
the utility model provides a highway grows up longitudinal gradient freight train early warning device, includes: the vehicle-mounted terminal and the first early warning unit are wirelessly connected with the cloud sharing platform, and the cloud sharing platform is provided with a cloud database for realizing information interaction between the vehicle-mounted terminal and the first early warning unit;
the vehicle-mounted terminal comprises an input module, the input module is used for a user to input vehicle related information, the vehicle related information at least comprises vehicle license plate information and actual weight information when a vehicle is loaded, and the vehicle-mounted terminal is connected with the cloud sharing platform and transmits the vehicle related information to the cloud sharing platform;
the first early warning unit is arranged at the initial position of the road major longitudinal slope, the first early warning unit comprises a first processing module, a first speed measuring module, a first license plate recognition module and a first display module, the first speed measuring module, the first license plate recognition module and the first display module are all connected with the first processing module, the first processing module stores road major longitudinal slope road condition information, the first license plate recognition module is used for recognizing vehicle license plate information, the first speed measuring module is used for measuring the current vehicle speed of the vehicle, the first processing module is used for acquiring the actual weight information of the current vehicle based on the communication between the vehicle license plate information uploaded by the first license plate recognition module and the cloud sharing platform and judging whether the current vehicle speed is dangerous or not by combining the stored current road major longitudinal slope road condition information, and when the current vehicle speed is judged to be dangerous, and sending danger information related data to a first display module, wherein the danger information related data comprise vehicle license plate information and early warning sentences, and the first display module is used for displaying the danger information related data sent by the first processing module so as to early warn the vehicle.
The system further comprises a second early warning unit, wherein the second early warning unit is wirelessly connected with the cloud sharing platform and is used for realizing information interaction with the cloud sharing platform;
the second early warning unit is arranged in the middle of the road long longitudinal slope and comprises a second processing module, a second speed measuring module, a second license plate recognition module, a second display module and an alarm, the second speed measuring module, the second license plate recognition module, the second display module and the alarm are all connected with the second processing module, the second processing module stores road long longitudinal slope condition information, the second license plate recognition module is used for recognizing license plate information of a vehicle, the second speed measuring module is used for measuring the current vehicle speed of the vehicle, the second processing module is used for communicating with the cloud sharing platform based on the license plate information uploaded by the second license plate recognition module to obtain the actual weight information of the current vehicle and judging whether the current vehicle speed is dangerous or not by combining the stored current road long longitudinal slope condition information, and when judging that the current vehicle speed is dangerous, and sending danger information related data to a second display module and simultaneously sending an alarm signal to an alarm, wherein the danger information related data comprises vehicle license plate information and early warning sentences, the second display module is used for displaying the danger information related data sent by a second processing module, and the alarm sends out an alarm to early warn the vehicle.
Further, the vehicle-mounted terminal is further provided with a voice early warning module, the first early warning unit and the second early warning unit send danger information related data to the cloud sharing platform when judging that the vehicle speed is dangerous when passing through a long longitudinal slope, the cloud sharing platform receives the danger information related data and processes the danger information related data into voice information to be sent to the voice early warning module of the vehicle-mounted terminal, and the voice early warning module of the vehicle-mounted terminal sends out voice early warning.
Furthermore, the first license plate identification module and the second license plate identification module are cameras, and the first display module and the second display module are LED display screens.
Further, the intelligent license plate recognition system further comprises a weighing module, an intelligent terminal and a third license plate recognition module;
the weighing module, the intelligent terminal and the third license plate recognition module are arranged at the entrance of the expressway, the weighing module is used for weighing a cargo vehicle before the vehicle enters the expressway, and the third license plate recognition module is used for recognizing the related information of the license plate of the vehicle;
the intelligent terminal is connected with the weighing module, the third license plate recognition module and the cloud sharing platform and used for transmitting the actual weight information of the vehicle and the license plate information of the vehicle sent by the weighing module and the third license plate recognition module to the cloud sharing platform.
The invention has the beneficial effects that:
1. the early warning device designed by the invention can accurately calculate the dangerous information of the vehicle according to the actual weight and the running speed of the vehicle and the road condition information of the long longitudinal slope, thereby early warning the danger of the vehicle passing through the long longitudinal slope in time and ensuring the safe running of the truck.
2. The early warning device designed by the invention implements different early warning judgments for vehicles with different loads, and can avoid the problem of unsmooth road running caused by unified speed limit.
3. The early warning device designed by the invention can achieve effective early warning before the vehicle enters the long longitudinal slope and in the running process of the vehicle on the long longitudinal slope in a multi-stage early warning mode, and meanwhile, the early warning device is matched with a vehicle-mounted terminal on the vehicle to ensure that a driver of the vehicle can know early warning information in time so as to achieve the purpose of safe driving.
4. The weighing module and the intelligent terminal designed by the invention can be used at a highway toll station, and vehicle data is automatically shared to the cloud server in a mode of automatically uploading vehicle information so as to ensure the safety of the vehicle in the driving process.
Drawings
FIG. 1 is a block diagram of the overall architecture of the present invention;
FIG. 2 is a block diagram of a first early warning unit according to the present invention;
FIG. 3 is a block diagram of a second early warning unit according to the present invention;
FIG. 4 is a block diagram of a vehicle-mounted terminal according to the present invention.
Detailed Description
The present embodiment will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present embodiments. Furthermore, it should be understood that various changes or modifications to the embodiments can be made by those skilled in the art after reading the teaching of the embodiments, and these equivalents also fall within the scope defined by the present application.
As shown in fig. 1, it is a block diagram of the early warning device provided in this embodiment.
This early warning device mainly includes: the vehicle-mounted terminal and the first early warning unit are wirelessly connected with the cloud sharing platform, and the cloud sharing platform is provided with a cloud database for realizing information interaction between the vehicle-mounted terminal and the first early warning unit; the cloud database can be used for the vehicle-mounted terminal and the first early warning unit to write information, and meanwhile, the cloud database can also be used for sending information to the vehicle-mounted terminal and the first early warning unit to achieve information interaction.
The vehicle-mounted terminal comprises an input module, wherein the input module is used for a user to input vehicle related information, the vehicle related information at least comprises vehicle license plate information and actual weight information when a vehicle is loaded, and the vehicle-mounted terminal is connected with the cloud sharing platform and transmits the vehicle related information to the cloud sharing platform. In the specific implementation process, the vehicle-mounted terminal is placed in a truck, the vehicle-related information is written by a driver through the input module, and the driver stores the vehicle-related information in the cloud sharing platform, so that when the vehicle-mounted terminal meets a long longitudinal slope in the road driving process, corresponding early warning can be performed, and the driving safety is improved.
As shown in fig. 2, a first early warning unit of the present invention is disposed at or near the start position of the long longitudinal slope, and includes a first processing module, a first speed measuring module, a first license plate recognition module and a first display module, where the first speed measuring module, the first license plate recognition module and the first display module are all connected to the first processing module, the first processing module stores road long longitudinal slope information, the first license plate recognition module is used for recognizing vehicle license plate information, the first speed measuring module is used for measuring the current vehicle speed, the first processing module is used for obtaining actual weight information of a current vehicle based on the communication between the vehicle license plate information uploaded by the first license plate recognition module and a cloud sharing platform and determining whether the current vehicle speed is dangerous by combining with the stored road long longitudinal slope road condition information of the current vehicle, when the vehicle speed is judged to be dangerous at present, the dangerous information related data are sent to the first display module, wherein the dangerous information related data comprise vehicle license plate information and early warning sentences, and the first display module is used for displaying the dangerous information related data sent by the first processing module so as to early warn the vehicle. When a vehicle enters a long longitudinal slope section in the running process, the first early warning unit can identify the relevant information of the vehicle in time so as to judge the safety performance of the vehicle in the running process in time, and vehicles with different loads can run in different safety speeds when passing through the long longitudinal slope, the invention can judge whether the corresponding running speed is in a safety range or not based on the actual weight information of the vehicle, so that different early warning measures can be realized for different vehicles, the first processing module can judge based on the safety data stored in the first processing module when judging whether the vehicle runs safely, the safety data can be obtained by calculation or experience and stored in the first processing module, the first speed measuring module and the first license plate identification module can be realized by adopting a speed measuring camera used for a road, and the first display module can adopt an LED display screen, the device is arranged above the road or at a position on one side of the road, which is convenient for a driver to observe.
Preferably, the system further comprises a second early warning unit, wherein the second early warning unit is wirelessly connected with the cloud sharing platform and is used for realizing information interaction with the cloud sharing platform; the second early warning unit is arranged in the middle of the road long longitudinal slope and comprises a second processing module, a second speed measuring module, a second license plate recognition module, a second display module and an alarm, the second speed measuring module, the second license plate recognition module, the second display module and the alarm are all connected with the second processing module, the second processing module stores road long longitudinal slope condition information, the second license plate recognition module is used for recognizing license plate information of a vehicle, the second speed measuring module is used for measuring the current vehicle speed of the vehicle, the second processing module is used for communicating with the cloud sharing platform based on the license plate information uploaded by the second license plate recognition module to obtain the actual weight information of the current vehicle and judging whether the current vehicle speed is dangerous or not by combining the stored current road long longitudinal slope condition information, and when judging that the current vehicle speed is dangerous, and sending danger information related data to a second display module and simultaneously sending an alarm signal to an alarm, wherein the danger information related data comprises vehicle license plate information and early warning sentences, the second display module is used for displaying the danger information related data sent by a second processing module, and the alarm sends out an alarm to early warn the vehicle. The second early warning unit is a secondary early warning unit, when the vehicle after the early warning of the first early warning unit is not decelerated to a safe speed, the second early warning unit continues to perform early warning to further ensure the driving safety, and the second early warning unit is also provided with an alarm which can be arranged on one side of the second display unit and used for giving out audible and visual alarm to remind a driver of the vehicle to pay attention to the driving speed.
Preferably, the vehicle-mounted terminal is further provided with a voice early warning module, the first early warning unit and the second early warning unit send danger information related data to the cloud sharing platform when the vehicle speed is judged to be dangerous when passing through a long longitudinal slope, the cloud sharing platform receives the danger information related data, processes the danger information related data into voice information and sends the voice information to the voice early warning module of the vehicle-mounted terminal, and the voice early warning module of the vehicle-mounted terminal sends voice early warning. Because vehicle mounted terminal generally places inside the vehicle, can guarantee through vehicle mounted terminal's pronunciation early warning that the driver obtains early warning information to further reach driving safety.
Preferably, the device further comprises a weighing module, an intelligent terminal and a third license plate recognition module; the weighing module, the intelligent terminal and the third license plate recognition module are arranged at the entrance of the expressway, the weighing module is used for weighing a cargo vehicle before the vehicle enters the expressway, and the third license plate recognition module is used for recognizing the related information of the license plate of the vehicle; the intelligent terminal is connected with the weighing module, the third license plate recognition module and the cloud sharing platform and used for transmitting the actual weight information of the vehicle and the license plate information of the vehicle sent by the weighing module and the third license plate recognition module to the cloud sharing platform. The weighing module, the intelligent terminal and the third license plate recognition module are arranged for the expressway, are arranged at the expressway toll station, transmit vehicle related information to the cloud sharing platform in an automatic data uploading mode, can utilize resources of the conventional toll station, and avoid that a driver misses uploading or does not upload the vehicle related information.
The early warning device that this embodiment designed can carry out accurate calculation to the dangerous information of vehicle according to the actual weight of vehicle, the speed of traveling and the road conditions information on very big longitudinal slope to danger that exists when passing through very big longitudinal slope carries out timely early warning to the vehicle, in order to guarantee the safe travel of freight train.

Claims (5)

1. The utility model provides a highway grows up longitudinal slope freight train early warning device which characterized in that includes: the vehicle-mounted terminal and the first early warning unit are wirelessly connected with the cloud sharing platform, and the cloud sharing platform is provided with a cloud database for realizing information interaction between the vehicle-mounted terminal and the first early warning unit;
the vehicle-mounted terminal comprises an input module, the input module is used for a user to input vehicle related information, the vehicle related information at least comprises vehicle license plate information and actual weight information when a vehicle is loaded, and the vehicle-mounted terminal is connected with the cloud sharing platform and transmits the vehicle related information to the cloud sharing platform;
the first early warning unit is arranged at the initial position of the road major longitudinal slope, the first early warning unit comprises a first processing module, a first speed measuring module, a first license plate recognition module and a first display module, the first speed measuring module, the first license plate recognition module and the first display module are all connected with the first processing module, the first processing module stores road major longitudinal slope road condition information, the first license plate recognition module is used for recognizing vehicle license plate information, the first speed measuring module is used for measuring the current vehicle speed of the vehicle, the first processing module is used for acquiring the actual weight information of the current vehicle based on the communication between the vehicle license plate information uploaded by the first license plate recognition module and the cloud sharing platform and judging whether the current vehicle speed is dangerous or not by combining the stored current road major longitudinal slope road condition information, and when the current vehicle speed is judged to be dangerous, and sending danger information related data to a first display module, wherein the danger information related data comprise vehicle license plate information and early warning sentences, and the first display module is used for displaying the danger information related data sent by the first processing module so as to early warn the vehicle.
2. The early warning device for the highway long and large longitudinal slope truck as claimed in claim 1, further comprising a second early warning unit, wherein the second early warning unit is wirelessly connected with the cloud sharing platform and used for realizing information interaction with the cloud sharing platform;
the second early warning unit is arranged in the middle of the road long longitudinal slope and comprises a second processing module, a second speed measuring module, a second license plate recognition module, a second display module and an alarm, the second speed measuring module, the second license plate recognition module, the second display module and the alarm are all connected with the second processing module, the second processing module stores road long longitudinal slope condition information, the second license plate recognition module is used for recognizing license plate information of a vehicle, the second speed measuring module is used for measuring the current vehicle speed of the vehicle, the second processing module is used for communicating with the cloud sharing platform based on the license plate information uploaded by the second license plate recognition module to obtain the actual weight information of the current vehicle and judging whether the current vehicle speed is dangerous or not by combining the stored current road long longitudinal slope condition information, and when judging that the current vehicle speed is dangerous, and sending danger information related data to a second display module and simultaneously sending an alarm signal to an alarm, wherein the danger information related data comprises vehicle license plate information and early warning sentences, the second display module is used for displaying the danger information related data sent by a second processing module, and the alarm sends out an alarm to early warn the vehicle.
3. The early warning device for the expressway long and large longitudinal slope truck as claimed in claim 2, wherein the vehicle-mounted terminal is further provided with a voice early warning module, the first early warning unit and the second early warning unit send danger information related data to the cloud sharing platform when judging that the speed of the vehicle is dangerous when passing through the long and large longitudinal slope, the cloud sharing platform receives the danger information related data and processes the danger information related data into voice information, the voice information is sent to the voice early warning module of the vehicle-mounted terminal, and the voice early warning module of the vehicle-mounted terminal sends out voice early warning.
4. The early warning device for the expressway long and large longitudinal slope truck as claimed in claim 2, wherein the first license plate recognition module and the second license plate recognition module are both cameras, and the first display module and the second display module are both LED display screens.
5. The early warning device for the long and large longitudinal slope truck on the expressway according to any one of claims 1 to 4, further comprising a weighing module, an intelligent terminal and a third license plate recognition module;
the weighing module, the intelligent terminal and the third license plate recognition module are arranged at the entrance of the expressway, the weighing module is used for weighing a cargo vehicle before the vehicle enters the expressway, and the third license plate recognition module is used for recognizing the related information of the license plate of the vehicle;
the intelligent terminal is connected with the weighing module, the third license plate recognition module and the cloud sharing platform and used for transmitting the actual weight information of the vehicle and the license plate information of the vehicle sent by the weighing module and the third license plate recognition module to the cloud sharing platform.
CN201911082716.XA 2019-11-07 2019-11-07 Highway longitudinal gradient freight train early warning device that grows up Pending CN110751838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911082716.XA CN110751838A (en) 2019-11-07 2019-11-07 Highway longitudinal gradient freight train early warning device that grows up

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911082716.XA CN110751838A (en) 2019-11-07 2019-11-07 Highway longitudinal gradient freight train early warning device that grows up

Publications (1)

Publication Number Publication Date
CN110751838A true CN110751838A (en) 2020-02-04

Family

ID=69282583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911082716.XA Pending CN110751838A (en) 2019-11-07 2019-11-07 Highway longitudinal gradient freight train early warning device that grows up

Country Status (1)

Country Link
CN (1) CN110751838A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0819912A3 (en) * 1996-07-15 1999-04-07 Toyota Jidosha Kabushiki Kaisha Vehicle driving condition prediction device and warning device using the prediction device
CN201685818U (en) * 2009-12-02 2010-12-29 上海多为电子科技有限公司 Automobile intelligent speed monitoring system
CN103413448A (en) * 2013-06-25 2013-11-27 同济大学 Truck intelligent prewarning system for mountainous expressway continuous long and large longitudinal slope section
CN205281796U (en) * 2015-12-31 2016-06-01 长安大学 Highway interchange export speed control's warning system
CN206171449U (en) * 2016-10-14 2017-05-17 武汉理工大学 Vehicle velocity early warning system based on vehicle status road surface condition
CN206431824U (en) * 2016-10-25 2017-08-22 华东交通大学 Vehicle on highway velocity-measuring system
CN206664287U (en) * 2017-03-31 2017-11-24 湖北济通电子有限公司 A kind of speed alarming device for automobile instrument
CN108961760A (en) * 2018-08-07 2018-12-07 重庆建筑工程职业学院 A kind of road speed limit detection system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0819912A3 (en) * 1996-07-15 1999-04-07 Toyota Jidosha Kabushiki Kaisha Vehicle driving condition prediction device and warning device using the prediction device
CN201685818U (en) * 2009-12-02 2010-12-29 上海多为电子科技有限公司 Automobile intelligent speed monitoring system
CN103413448A (en) * 2013-06-25 2013-11-27 同济大学 Truck intelligent prewarning system for mountainous expressway continuous long and large longitudinal slope section
CN205281796U (en) * 2015-12-31 2016-06-01 长安大学 Highway interchange export speed control's warning system
CN206171449U (en) * 2016-10-14 2017-05-17 武汉理工大学 Vehicle velocity early warning system based on vehicle status road surface condition
CN206431824U (en) * 2016-10-25 2017-08-22 华东交通大学 Vehicle on highway velocity-measuring system
CN206664287U (en) * 2017-03-31 2017-11-24 湖北济通电子有限公司 A kind of speed alarming device for automobile instrument
CN108961760A (en) * 2018-08-07 2018-12-07 重庆建筑工程职业学院 A kind of road speed limit detection system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李文亮等: "基于长下坡路段车速与制动器温度实时监测的模糊推理预警算法", 《公路交通科技》 *

Similar Documents

Publication Publication Date Title
CN110544390B (en) Vehicle-vehicle interactive pedestrian active collision avoidance method and device
CN109859500A (en) A kind of high speed merging area safe early warning method based on bus or train route collaboration
CN102785660A (en) Vehicle collision-proof early warning device
WO2018058958A1 (en) Road vehicle traffic alarm system and method therefor
CN105405321A (en) Safety early warning method during running of vehicles on freeway and system
CN110525429A (en) A kind of commercial vehicle emergency braking method based on V2X
CN105825692B (en) Speed Limitation on Freeway information acquisition method and system based on road domain weather station
CN103337186A (en) Road junction driving auxiliary device for motor vehicle
CN104978860A (en) Vehicle environment detection system based on vehicle sensor and cloud calculation
CN102426802A (en) Safety early warning method of bus at bus stop in vehicle Internet based environment
CN106448263B (en) Vehicle driving safety management system and method
CN110239433A (en) A kind of vehicle intelligent monitoring and pre-warning system and method based on lorry traffic safety
CN105235680A (en) Pedestrian avoiding method and system based on cloud computing
CN113112798B (en) Vehicle overload detection method, system and storage medium
CN106530827A (en) Corner driving early warning device, system and method
CN108399795B (en) Working method of vehicle collision reminding device based on intelligent traffic base station
CN106627590A (en) Braking distance calculation method and device
JP5362225B2 (en) Operation recording device and operation status recording method
CN201877000U (en) Safe interval pre-warning device
CN111542019A (en) Traffic accident warning method and device, road side equipment and readable storage medium
JP3740524B2 (en) Driving support road system
CN202345600U (en) Advanced RISC Machines (ARM)-based car ranging and anti-collision warning device
CN103287325A (en) Automobile tailgating and colliding prevention warning device
CN203165232U (en) Speed limit board automatic identification apparatus based on machine vision
CN113870580B (en) Overspeed detection method and device for truck, truck vehicle and truck system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200204

RJ01 Rejection of invention patent application after publication