CN212779526U - Road surface passing vehicle height limit and weight limit monitoring system - Google Patents
Road surface passing vehicle height limit and weight limit monitoring system Download PDFInfo
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- CN212779526U CN212779526U CN202022202627.9U CN202022202627U CN212779526U CN 212779526 U CN212779526 U CN 212779526U CN 202022202627 U CN202022202627 U CN 202022202627U CN 212779526 U CN212779526 U CN 212779526U
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Abstract
The utility model relates to a road surface vehicle limit for height limit for weight monitoring system that passes, including limit for height monitoring devices and limit for weight monitoring devices, limit for height monitoring devices includes the bracing piece, and the bracing piece sets up in passing road surface top, and fixed mounting has laser alignment device on the bracing piece, and laser alignment device includes multiunit laser ranging sensor, and multiunit laser ranging sensor is used for acquireing multiunit vehicle height data; the weight limit monitoring device comprises a first piezoelectric sensor and a second piezoelectric sensor, an induction coil is arranged between the first piezoelectric sensor and the second piezoelectric sensor, the first piezoelectric sensor and the second piezoelectric sensor are used for acquiring vehicle mass data, and the induction coil is used for judging whether a weighed vehicle changes or not. The height and weight limiting monitoring system can automatically detect the quality data and height data of vehicles passing through the road surface, warn illegal vehicles and provide guarantee for the travel safety of drivers and road surface protection.
Description
Technical Field
The utility model relates to an electronic information field, specific current vehicle limit for height heavy monitoring system in road surface that says so.
Background
With the demand of modern construction of society, the height and the load capacity of vehicles are continuously increased. Excellent carrying capacity saves a large amount of cost for engineering construction and logistics transportation and improves the transfer efficiency of materials. However, different routes often exhibit different usage standards for the road surface on which the vehicle is traveling due to historical or technical limitations. For example, some viaducts still use single bridge piers to support the bridge floor, when an overloaded vehicle runs on the outer side of the bridge floor, the potential safety hazard of the rollover of the bridge deck exists, and the load capacity of the vehicle needs to be strictly controlled; the bridges and roads with earlier construction time need to be prolonged in service life, and have strict load limitation on passing vehicles; as well as tunnels and highways passing under bridges with shorter bridge bodies, require the restriction of the passage of excessively high vehicles. Due to the use difference of the road surface, the ultra-high overload vehicle not only easily damages the road surface, but also threatens the personal safety of drivers and pedestrians. In the prior art, only weight or only height of a vehicle is detected, and when the vehicle runs on a complex traffic network, traffic accidents and casualties can be caused by neglecting any information of the height and the load capacity of the vehicle.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a road surface current vehicle limit for height heavy monitoring system, can automatic detection road surface pass through the quality data and the high data of vehicle to warn the vehicle of violating the regulations, provide the guarantee for driver's trip safety and road surface protection.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a road surface vehicle limit for height heavy monitoring system which characterized in that: the device comprises a height limit monitoring device and a weight limit monitoring device, wherein the height limit monitoring device comprises a supporting rod, the supporting rod is arranged above a passing road surface, a laser alignment device is fixedly arranged on the supporting rod, the laser alignment device comprises a plurality of groups of laser ranging sensors, and the plurality of groups of laser ranging sensors are used for acquiring a plurality of groups of vehicle height data;
the weight limit monitoring device comprises a first piezoelectric sensor and a second piezoelectric sensor, an induction coil is arranged between the first piezoelectric sensor and the second piezoelectric sensor, the first piezoelectric sensor and the second piezoelectric sensor are used for acquiring vehicle mass data, and the induction coil is used for judging whether a weighed vehicle changes or not.
Laser alignment device include first laser rangefinder sensor and second laser rangefinder sensor, second laser rangefinder sensor be used for ejaculating with road surface vertically laser ray, first laser rangefinder sensor come the car direction towards the road surface and jet out laser ray, first laser rangefinder sensor and second laser rangefinder sensor jet out laser ray contained angle be the acute angle.
The supporting rod is fixedly provided with a camera, and the camera is used for collecting image information of a vehicle.
First laser rangefinder sensor, second laser rangefinder sensor, induction coil and camera all with the input signal connection of processor module, the processor module be used for handling the signal data that first laser rangefinder sensor, second laser rangefinder sensor, induction coil and camera sent for acquire the quality data, the altitude data and the image of vehicle, processor module and controller module signal connection, controller module's output and display screen, voice module and alarm device signal connection.
The display screen, the voice module and the alarm device are fixedly mounted on the height limiting rod, the display screen is used for displaying the height and the quality information of the vehicle, the voice module is used for playing the height and the quality information of the vehicle in a voice mode, the alarm device is used for giving an alarm when any value of the height and the quality of the vehicle exceeds a threshold value, the height of the height limiting rod is the height of the height limiting threshold value, and the height limiting rod is used for blocking the vehicle with the height exceeding the height of the threshold value.
And a deceleration strip is arranged on the front side of the first piezoelectric sensor.
The processor module is in signal connection with the communication module, the processor module is in signal connection with the storage module, the communication module is used for wirelessly sending the vehicle height information and the vehicle quality information to the mobile terminal, and the storage module is used for storing the image information of the passing vehicle and the height and the quality information corresponding to the vehicle.
The road surface passing vehicle height and weight limiting monitoring system has the following beneficial effects that: first, the laser rangefinder sensor through the multiunit sets up according to different angles measures multiunit vehicle height, and then obtains accurate vehicle height information through the mode of asking the average value, can also compare each other through the data that multiunit laser rangefinder sensor acquireed, when the data that arbitrary laser rangefinder sensor acquireed appears the abnormal error, can judge that this group laser rangefinder sensor appears the work unusually, forms operating condition self-checking.
Secondly, vehicle mass data is collected through the piezoelectric sensor, and when coil signals collected by the induction coil change, the vehicle is judged to be switched.
Thirdly, the weight and the height of the passing vehicle can be accurately detected, and the recognized license plate information is output in a font mode, so that the license plate information is concise and clear. The automatic monitoring system reduces the workload of the road duty personnel, protects the safety of a driver and reduces the damage of overweight to the road surface.
Drawings
Fig. 1 is the utility model relates to a road surface current vehicle limit for height heavy monitoring system's schematic structure.
Fig. 2 is the utility model relates to a road surface current vehicle limit for height heavy monitoring system's structural principle picture.
Fig. 3 is the utility model relates to a road surface current vehicle limit for height heavy monitoring system's communication module's communication schematic diagram.
Fig. 4 is the utility model relates to a road surface is passed vehicle limit for height heavy monitoring system in laser alignment device's working principle picture.
Description of the drawings: 1. a support bar; 2. a laser alignment device; 3. a camera; 4. a first piezoelectric sensor; 5. a second piezoelectric sensor; 6. an induction coil; 7. a speed bump; 8. a height limiting rod; 9. a display screen; 10. a voice module; 11. an alarm device.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments.
As shown in figure 1, a road surface traffic vehicle height limit and weight limit monitoring system is characterized in that: the height limiting monitoring device comprises a supporting rod 1, the supporting rod 1 is arranged above a passing road surface, a laser alignment device 2 is fixedly arranged above the supporting rod 1, the laser alignment device 2 comprises a plurality of groups of laser ranging sensors, and the plurality of groups of laser ranging sensors are used for acquiring a plurality of groups of vehicle height data;
the weight limit monitoring device comprises a first piezoelectric sensor 4 and a second piezoelectric sensor 5, an induction coil 6 is arranged between the first piezoelectric sensor 4 and the second piezoelectric sensor 5, the first piezoelectric sensor 4 and the second piezoelectric sensor 5 are used for acquiring vehicle mass data, and the induction coil 6 is used for judging whether a weighing vehicle changes or not.
In this embodiment, the supporting rod 1 is fixedly provided with the camera 3, and the camera 3 is used for collecting image information of the vehicle.
In this embodiment, first laser rangefinder sensor, second laser rangefinder sensor, induction coil 6 and camera 3 all with the input signal connection of processor module, the processor module be used for handling the signal data that first laser rangefinder sensor, second laser rangefinder sensor, induction coil 6 and camera 3 sent for acquire the quality data, the height data and the image of vehicle, processor module and controller module signal connection, controller module's output and display screen 9, voice module 10 and alarm device 11 signal connection.
In this embodiment, display screen 9, voice module 10 and alarm device 11 are all fixed mounting on limit for height pole 8, display screen 9 be used for showing vehicle height, quality information, voice module 10 be used for pronunciation broadcast vehicle height, quality information, alarm device 11 be used for sending out the warning when any numerical value of vehicle height, quality surpasss the threshold value, limit for height pole 8 highly be limit for height threshold value height, limit for height pole 8 be used for blockking the vehicle height and surpass the vehicle of threshold value height.
In the embodiment, a deceleration strip 7 is installed on the front side of the first piezoelectric sensor 4; the deceleration strip 7 is used for reminding the vehicle of reducing the speed of the vehicle before the vehicle passes through the high monitoring device and the weight limiting monitoring device.
In this embodiment, the processor module is in signal connection with the communication module, the processor module is in signal connection with the storage module, the communication module is used for wirelessly sending the vehicle height information and the vehicle quality information to the mobile terminal, and the storage module is used for storing the image information of the passing vehicle and the height and quality information corresponding to the vehicle.
Furthermore, a speed bump 7, a first piezoelectric sensor 4, an induction coil 6, a second piezoelectric sensor 5, a support rod 1 and a height limiting rod 8 are sequentially arranged on the running road surface of the automobile according to the specified running direction of the automobile, wherein the length of the first piezoelectric sensor 4 is half of the width of a lane, the length of the second piezoelectric sensor 5 is consistent with the width of the lane, the distance between the piezoelectric sensor 2 and the piezoelectric sensor 1 is 1.5-3 meters, the piezoelectric sensor detects the pressure applied to the sensor through the tire, generates proportional analog voltage and signals, and the period of the output pressure signals is the same as the time for the tire to stay on the sensor. Whenever a tire passes the piezoelectric sensor, the sensor generates a new electrical pulse, the force generated signal is integrated into the combined coil signal calculation, and the processor module obtains the weight and the overload weight of the passing vehicle. The induction coil 6 is mounted in the middle of the two piezoelectric sensors, typically 1 x 2 meters. The coil signal generated by the induction coil 6 is used to determine whether the passing vehicles are the same vehicle. The first piezoelectric sensor is positioned at one side of the lane line, the front wheel of the vehicle presses the second piezoelectric sensor at the moment T1 to generate a first pulse signal, and the signal is defined as a starting signal when the vehicle enters a detection area; t2 pressing the front wheel of the vehicle to the first sensor to generate the second pulse signal, and calculating the speed of the vehicle passing through the two piezoelectric sensors according to the time difference between the first pulse signal and the second pulse signal; and at the time of T3, when the vehicle leaves the coil, the coil signal changes from low level to high level, the signal is defined as a third pulse signal, the signal is used as a mark for the end of the vehicle, and the pulse times generated on the two piezoelectric sensors and the coil between the first pulse signal and the third pulse signal are recorded, so that the quality of the passing vehicle and whether the passing vehicle is the same vehicle can be detected, and whether the vehicle is accelerated after passing through a deceleration strip can be detected.
Further, before the vehicle runs below the supporting rod 1, the camera 3 shoots a license plate of the vehicle, the processor module carries out a series of image processing operations including Gaussian denoising, graying, edge detection, binarization, closing operation, character segmentation, character recognition matching and the like on a picture containing license plate information obtained by the camera module, license plate recognition is finally achieved, and the recognized license plate information is stored in the storage module.
The principle of the laser alignment device 2 obtaining the height data of the passing vehicle is shown in fig. 4, before the vehicle runs to the lower part of the support rod, the first laser ranging sensor arranged at the point A of the support rod starts to measure the height of the vehicle, firstly the distance to the point B on the ground is measured, then the distance to the point D on the roof is measured, and the measured height of the vehicle is obtained as follows:
h1＝l1cosθ-l′1cosθ
when the vehicle traveled to the bracing piece below, the second laser ranging sensor of installing at bracing piece A point began to measure the vehicle height, at first measures the distance to ground C point, measures the distance that obtains the roof again, reachs to measure the vehicle height and be:
h2＝l2-l′2
the final height of the passing vehicle is calculated by a formula as follows:
wherein l1Is the distance l 'from the first laser ranging sensor to the road surface'1The distance from the first laser ranging sensor to the top of the vehicle. l2Is the distance l 'from the second laser ranging sensor to the road surface'2The distance from the second laser ranging sensor to the top of the vehicle is perpendicular to the distance from the second laser ranging sensor to the top of the vehicle, and theta is a fixed included angle between the first laser ranging sensor and the second laser ranging sensor. h ismax1And hmax2The first laser ranging sensor and the second laser ranging sensor respectively measure the highest height from the roof of the vehicle to the ground.
Furthermore, the piezoelectric sensor module is paved under the road surface, and the camera module is used for capturing the license plate information of the vehicle and is connected with the processor module; the storage module is used for program operation and data storage and is connected with the processor module; the communication module is used for the processor module to perform information interaction with the server and the controller module and is connected with the processor module; the controller module is used for receiving the information sent by the processor module and is connected with the processor module, the warning device and the dot matrix display screen; wherein the warning indicator, the dot matrix display screen and the voice module are arranged on the height limiting rod and are connected with the controller module through a serial port.
Further, the processor module adopts ARM Cortex-A57 to operate the LINUX system, and all data of the height-limiting and weight-limiting acquisition module and the server are processed. The processor module is connected with the processor module through a serial port, takes STC12C5A32S2 as a processing core and is used for receiving license plate information and warning information sent by the processor module. The singlechip displays the vehicle information on the dot matrix screen after receiving the vehicle information sent by the processor module, and meanwhile, the alarm gives out a high-decibel alarm sound to warn a super-high overweight driver, and the voice module is attached to remind the driver to drive away from a lane from the right.
Further, camera 3 has highlight suppression, backlight compensation and waterproof antifog function to inlay and have 6 LED lamps and make camera 3 can use night. The storage module comprises a NANDFLASH and SDRAM storage unit and is used for storing running program codes and data of the processor module, storing drive codes, an operating system kernel, a file system, application programs and related application data, and the storage module is connected with the processor system through a system bus. The communication module includes an ethernet communication module and a mobile communication module. The Ethernet communication module is connected with the processor module through an MII interface, adopts but is not limited to W5500, is used for connecting a local area network, is connected to the Internet through the local area network, and can communicate with a remote server. The mobile communication module is connected with the processor module through a serial port and is used for communication between the server and the mobile terminal, and 4G communication is adopted.
Furthermore, the mobile terminal connected with the processor module through the communication module comprises a WEB client and a client terminal, and is used for logging in a server and checking the overweight, superelevation and specific license plate information of the passing vehicle.
If the vehicle is overloaded or over-high, the processor module calculates the difference value between the overload or over-high and the rated value, and transmits the identified license plate information to the controller module through the serial port, the controller module on the height limiting rod starts the high decibel warning device, and simultaneously displays the license plate information and the overload over-high information on the dot matrix screen, the original green characters of 'paying attention to safe driving' on the display screen 9 are changed into red characters of no pass, license plate number x overload over-high and the like, and the voice module reminds the driver to drive away from the road from the separating gate. The load, the height and the license plate information of the passing vehicle can be stored in the storage module in real time and uploaded to the server through the Ethernet module, and a worker can check at a WEB client or use the mobile terminal to be connected to the server to check in a 4G mobile communication mode.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a road surface vehicle limit for height heavy monitoring system which characterized in that: the height limiting device comprises a height limiting monitoring device and a weight limiting monitoring device, wherein the height limiting monitoring device comprises a supporting rod (1), the supporting rod (1) is arranged above a passing road surface, a laser alignment device (2) is fixedly arranged on the supporting rod (1), the laser alignment device (2) comprises a plurality of groups of laser ranging sensors, and the plurality of groups of laser ranging sensors are used for acquiring a plurality of groups of vehicle height data;
the weight limit monitoring device comprises a first piezoelectric sensor (4) and a second piezoelectric sensor (5), an induction coil (6) is arranged between the first piezoelectric sensor (4) and the second piezoelectric sensor (5), the first piezoelectric sensor (4) and the second piezoelectric sensor (5) are used for acquiring vehicle mass data, and the induction coil (6) is used for judging whether a weighing vehicle changes or not.
2. The road traffic vehicle height and weight limiting monitoring system according to claim 1, characterized in that: laser alignment device (2) include first laser rangefinder sensor and second laser rangefinder sensor, second laser rangefinder sensor be used for ejaculating with road surface vertically laser ray, first laser rangefinder sensor come the car direction towards the road surface and jet out laser ray, first laser rangefinder sensor and second laser rangefinder sensor jet out laser ray contained angle be the acute angle.
3. The road traffic vehicle height and weight limiting monitoring system according to claim 2, characterized in that: bracing piece (1) fixed mounting have camera (3), camera (3) be used for gathering the image information of vehicle.
4. The road traffic vehicle height and weight limiting monitoring system of claim 3, characterized in that: first laser rangefinder sensor, second laser rangefinder sensor, induction coil (6) and camera (3) all with processor module's input signal connection, processor module be used for handling the signal data that first laser rangefinder sensor, second laser rangefinder sensor, induction coil (6) and camera (3) sent for acquire the quality data, height data and the image of vehicle, processor module and controller module signal connection, controller module's output and display screen (9), voice module (10) and alarm device (11) signal connection.
5. The road traffic vehicle height and weight limiting monitoring system of claim 4, characterized in that: display screen (9), voice module (10) and alarm device (11) equal fixed mounting on limit for height pole (8), display screen (9) be used for showing vehicle height, quality information, voice module (10) be used for pronunciation broadcast vehicle height, quality information, alarm device (11) be used for sending out the warning when any numerical value of vehicle height, quality surpasss the threshold value, limit for height pole (8) highly be limit for height threshold value height, limit for height pole (8) be used for blockking that vehicle height surpasss the vehicle of threshold value height.
6. The road traffic vehicle height and weight limiting monitoring system according to claim 1, characterized in that: and a speed bump (7) is arranged on the front side of the first piezoelectric sensor (4).
7. The road traffic vehicle height and weight limiting monitoring system of claim 4, characterized in that: the processor module is in signal connection with the communication module, the processor module is in signal connection with the storage module, the communication module is used for wirelessly sending the vehicle height information and the vehicle quality information to the mobile terminal, and the storage module is used for storing the image information of the passing vehicle and the height and the quality information corresponding to the vehicle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120656A (en) * | 2021-05-31 | 2022-03-01 | 四创电子股份有限公司 | Comprehensive solution system for urban viaduct road safety protection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120656A (en) * | 2021-05-31 | 2022-03-01 | 四创电子股份有限公司 | Comprehensive solution system for urban viaduct road safety protection |
| CN114120656B (en) * | 2021-05-31 | 2023-03-14 | 四创电子股份有限公司 | Comprehensive solution system for urban viaduct road safety protection |
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Effective date of registration: 20231207 Address after: Room 711, Building 17, No. 1733 Lianhua Road, Minhang District, Shanghai, 201103 Patentee after: SHANGHAI YINGFANG INFORMATION TECHNOLOGY CO.,LTD. Address before: 210044 No. 219 Ning six road, Jiangbei new district, Nanjing, Jiangsu Patentee before: Nanjing University of Information Science and Technology |
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