CN215752430U - Full-route type flexible track pavement monitoring system - Google Patents
Full-route type flexible track pavement monitoring system Download PDFInfo
- Publication number
- CN215752430U CN215752430U CN202120144471.5U CN202120144471U CN215752430U CN 215752430 U CN215752430 U CN 215752430U CN 202120144471 U CN202120144471 U CN 202120144471U CN 215752430 U CN215752430 U CN 215752430U
- Authority
- CN
- China
- Prior art keywords
- road surface
- monitoring
- unit
- route type
- vehicle
- 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.)
- Active
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The utility model provides a flexible track road surface monitoring system of full route formula, include: the road surface is divided into a plurality of route type lattices, different route type lattices can be combined into a plurality of floating sections with adjustable positions and lengths, each route type lattice is provided with a unique number and used for determining the accurate position of a vehicle, and each route type lattice is provided with a plurality of ground monitoring devices. The technical scheme of the disclosure realizes accurate real-time monitoring of the vehicle condition state of all road conditions by using the road surface monitoring device, the information of the vehicle condition of the road conditions is reliable, and the transparency of all road conditions is realized.
Description
Technical Field
The utility model belongs to the technical field of road surface monitoring, especially, relate to flexible track road surface monitoring system of full route formula.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The current road condition and vehicle condition monitoring: currently, the method is implemented by using a monitoring camera, a laser radar detection device, a multispectral radar device, a V2V communication technology (a communication technology which is not limited to a fixed base station and provides direct end-to-end wireless communication for moving vehicles, that is, by using the technology, vehicle terminals directly exchange wireless information with each other without forwarding through the base station), and the like. After the artificial intelligence analysis, the vehicle-mounted controller realizes the operations and the observation of the nearby environment.
The technical problems of the automatic driving technology are as follows: the real-time state of the external road condition and vehicle condition which exist objectively cannot be grasped timely and reliably; the subjective vehicle has potential safety hazards in the aspects of obstacle avoidance, collision avoidance, overtaking, lane changing and the like which are difficult in the driving process.
The inventor finds in research that in order to better realize unmanned driving, the prior related art also discloses gridding road division, but the current division mode and the concrete road detection technology cannot realize accurate monitoring of road occupation, detection omission and false detection exist, the road occupation is the most critical technology of the unmanned driving technology, and if the data monitoring is wrong, the accurate control of subsequent automatic driving is greatly influenced.
In addition, the area division of the road is relatively fixed, the adjustment cannot be carried out according to the actual situation, a dynamic running section cannot be formed, and the follow-up monitoring and management of the vehicle are inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies of the prior art, the present disclosure provides a full-route flexible track pavement monitoring system, which can divide floating dynamic running sections to realize full-route dot matrix monitoring.
In order to achieve the above object, one or more embodiments of the present disclosure provide the following technical solutions:
first aspect discloses flexible track road surface monitoring system of full access formula, includes:
the road surface is divided into a plurality of route type lattices, different route type lattices can be combined into a plurality of floating sections with adjustable positions and lengths, each route type lattice is provided with a unique number and used for determining the accurate position of a vehicle, and each route type lattice is provided with a ground monitoring device.
Further technical solution, the road surface monitoring device includes:
the circuit comprises lines which are respectively arranged along a first direction and a second direction, wherein the lines in the first direction and the second direction are intersected, and a pressure detection unit is arranged at the intersection point;
the pressure detection unit at one end of the line in the first direction is connected in series with a one-way conduction unit and a matching resistance unit, and the matching resistance unit is connected to the line in the second direction where the pressure detection unit at the end is located.
According to the technical scheme, the road surface is provided with the monitoring modules at set intervals, and the monitoring modules are connected to the roadside monitoring device in different bus modes.
According to the further technical scheme, all routes are defined according to a certain direction, each floating section and the route dot matrix are ensured, the determined direction parameters including GPS parameters or Beidou parameters, namely position information are provided, the width of each route is a lane, and the length of each route is different floating sections with adjustable length.
According to the further technical scheme, the pressure detection unit is a radio frequency identification card, and the probe receives signals detected by the radio frequency identification card and transmits the signals to the roadside monitoring device.
According to a further technical scheme, the one-way conduction unit is a component capable of realizing one-way conduction.
Preferably, the unidirectional conducting unit is a unidirectional diode or a switch-controllable triode.
According to the further technical scheme, the matching resistance unit is a device which is distinguished from the switching value and does not influence the state of the switching value.
Preferably, the matching resistance unit is a resistor, a capacitor or an inductor.
According to the technical scheme, the pressure detection units use metal objects as attachments, and the pressure detection units located in the same direction are distributed at equal intervals or at unequal intervals, so that the occupation state of the road surface is comprehensively monitored.
According to the further technical scheme, the surface of a metal object where the pressure detection unit is located is subjected to waterproof treatment, laid in the direction perpendicular to or parallel to the road surface, and subjected to waterproof, antirust and insulating treatment.
In a further aspect, the pressure sensing unit may employ a redundant arrangement to improve reliability.
According to the technical scheme, the roadside monitoring device is transmitted to a monitoring station arranged in a nearby service area in a wired or wireless mode, and simultaneously reported to a general service station, and is communicated with the vehicle-mounted controller in real time in a wireless transmission mode.
The above one or more technical solutions have the following beneficial effects:
1. according to the technical scheme, a plurality of dot matrixes of every other section of the access way form a section, and the section can be adjusted in a floating mode according to actual requirements and comprises a position and a size.
The method comprises the following steps of flexibly track-forming, specifically, dividing a road into a plurality of routes according to a certain rule, refining the routes into route-forming dot matrixes, connecting all the dot matrixes, dividing the dot matrixes into track sections similar to the track sections of a railway, planning the entrance, occupation and exit of the routes according to the use principle of the track sections, wherein each vehicle must strictly run according to a set running track G planned by a monitoring management station, and simultaneously locking surrounding vehicles and strictly forbidding the vehicles to enter the track G. Since a track (an access road) can be flexibly locked and unlocked according to vehicle conditions and road conditions, it is called a flexible track, or flexible trackization.
2. The technical scheme of the disclosure realizes accurate real-time monitoring of the vehicle condition state of all road conditions by using the road surface monitoring device, the information of the vehicle condition of the road conditions is reliable, and the transparency of all road conditions is realized.
3. According to the technical scheme, after the pressure detection unit is subjected to certain pressure, the metal sheet can be in contact with the pressure detection unit to generate a short circuit, whether a person or a vehicle exists or not is judged by means of whether the transverse cross point and the longitudinal cross point are in contact with the short circuit or not, when the vehicle or the person exists, because the whole transverse loop and the whole longitudinal loop are in an open circuit state, whether the sensor is damaged or not and breaks or not is not ensured, the high-resistance state is increased, and the integrity of a signal path of the sensor can be detected.
4. The data of real-time road conditions and vehicle conditions collected by the road surface monitoring device are collected by a high frequency, transmitted to a monitoring switchboard or a server arranged in a nearby service area in a wired or wireless mode and reported to a general service station. The vehicle-mounted receiver is in real-time butt joint, and timely lane changing or overtaking measures are taken after the vehicle is comprehensively and intelligently analyzed and judged by combining the self-contained server of the vehicle, so that safety and reliability are guaranteed.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
Fig. 1 is a schematic diagram of an approach-type lattice partitioning structure according to an embodiment of the disclosure;
FIG. 2 is a schematic diagram of a floating section of a highway according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a sensor arrangement of the dot matrix pavement monitoring device according to the embodiment of the disclosure;
fig. 4 is a schematic layout view of a rfid card of the dot matrix pavement monitoring apparatus according to the embodiment of the disclosure.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Example one
The embodiment discloses flexible track road surface monitoring system of full access formula includes:
referring to the attached drawings 1 and 2, a highway pavement is divided into different monitoring sections according to a certain rule, and an approach type latticed structure is realized: each route type lattice has a unique number, taking a Jinghu expressway as an example, such as "Jinghu 0123092101", and the section and the lattice are adjustable by 1 meter in length (driving direction) and 0.5 meter in width (road width direction). And may be organized into a number of different adjustable position and length floating sections.
The highway floating section and the access type lattice division rule are as follows:
the direction of the vehicle advancing is the Y axis, the direction of the left and right road widths is the X axis, S (section) represents the sectors, each S is equal to 3Y/6X adjacent area, about 3 m X3 m. Generally, a vehicle occupies one S.
All routes can be defined according to the directions of east, west, south, north and the like, and the routes are ensured to have directions, namely each section, dot matrix and route have determined direction parameters, including GPS parameters, namely position information. Each of the approaches has a width defined as a lane and a length defined as a variable length floating section.
The data of real-time road conditions and vehicle conditions collected by the road surface monitoring device are collected at high frequency, transmitted to a monitoring switchboard or a server arranged in a nearby service area in a wired or wireless mode and reported to a general service station. The vehicle-mounted receiver is in real-time butt joint, and timely lane changing or overtaking measures are taken after the vehicle is comprehensively and intelligently analyzed and judged by combining the self-contained server of the vehicle, so that safety and reliability are guaranteed.
Specifically, ground monitoring devices includes:
the circuit comprises lines which are respectively arranged along a first direction and a second direction, wherein the lines in the first direction and the second direction are intersected, and a pressure detection unit is arranged at the intersection point;
the pressure detection unit at one end of the line in the first direction is connected in series with a one-way conduction unit and a matching resistance unit, and the matching resistance unit is connected to the line in the second direction where the pressure detection unit at the end is located.
The first direction and the second direction are crossed at an included angle of 70-90 degrees, in the embodiment example, the vertical arrangement is adopted, and the direction is transverse and longitudinal arrangement.
The lattice sensors in each floating section use metal objects as attachments, small gaps are formed between transverse and longitudinal metal objects and are temporarily set to be about 50mm, metal sheets can contact to generate short circuits after certain pressure is applied, whether personnel or vehicles exist is judged according to whether transverse and longitudinal cross points contact the short circuits, and when no vehicles or personnel are above, whether the sensors are damaged or not and are broken cannot be ensured due to the fact that integral transverse and longitudinal loops are in an open circuit state.
The technical scheme of the disclosure utilizes the combination of the resistor and the diode to solve the problem that the signal path integrity of the equipment cannot be monitored only by closing and opening two signals of a common switching value sensor, and a third high-resistance state is specially added to detect the signal path integrity of the sensor.
In order to ensure the monitoring integrity of the sensor, each node is of the structure shown in fig. 3. Matched resistors and signal control diodes connected as shown in fig. 3 are provided at the full field terminals a1 and B21. The matching resistor is high in resistance value, such as 100K omega, the closing resistance value of the sensor does not exceed 100 omega in a normal alarm state, and the sensor can be reliably distinguished from a closing signal formed by triggering of the sensor. Meanwhile, the diode connected with the matching resistor can effectively ensure the flow direction of signals when the sensor signals are scanned, and mutual interference cannot be caused through the matching resistor when multiple points are triggered.
In another embodiment, each access point matrix is provided with a ground monitoring device, the monitoring device can adopt a pressure sensor or a radio frequency identification card corresponding to each wheel, and each access point matrix has no monitoring dead angle so as to reliably monitor whether a section and a point matrix road surface are occupied.
Specifically, as shown in fig. 4, the scheme of the pressure sensor of the road surface monitoring device is changed to that a radio frequency identification card is arranged at a proper position of each dot matrix, a probe is arranged at a proper position in a recognizable region, when the radio frequency card at a certain position is shielded by a vehicle, a sufficiently large object or people, the probe can timely monitor and transmit information to the roadside monitoring device, and whether the road surface is occupied or not can be reliably monitored.
In an embodiment, the unidirectional conducting unit is a unidirectional diode or a switch-controllable triode. When the triode is controllable in switch, the corresponding control signal sent by the controller is used for controlling the on and off of the triode, so that unidirectional conduction is realized.
The pressure detection units take metal objects as attachments, and the pressure detection units positioned in the same direction are distributed at equal intervals or at unequal intervals so as to ensure that the occupation state of the road surface is comprehensively monitored.
And the surface of the metal object where the pressure detection unit is located is subjected to plastic package waterproof treatment, the metal object is laid in a direction perpendicular to the road surface, and the surface is treated by paint to realize waterproof, antirust and insulating.
The arrangement of each route type dot matrix and the ground monitoring devices and the arrangement of the roadside monitoring devices adopt a redundant mode, no monitoring dead angle exists on each route type dot matrix relative to each wheel (or enough large foreign matters, pedestrians, non-motor vehicles and the like), and the roadside monitoring devices monitor the occupation conditions of sections and dot matrixes in real time. Since the highest speed limit of the expressway is 120km/h, namely 33.33 m/s, the monitoring speed should be in the microsecond level, and overspeed vehicle monitoring is ensured without vehicle loss.
The roadside monitoring device is transmitted to a monitoring station arranged in a nearby service area in a wired or wireless mode, and simultaneously reported to a general service station, and is in real-time communication with the vehicle-mounted controller in a wireless transmission mode.
Specifically, the roadside monitoring device: the roadside monitoring device (comprising a collection transmission module) can be arranged at intervals of a certain distance, such as 200 meters, and has the main functions of collecting, processing and transmitting information, the device adopts a dot matrix monitoring technology, receives pressure change information (sampling frequency is microsecond level) of a sensor or whether a radio frequency card is shielded or not in real time, and simultaneously transmits the collected dynamic information to a monitoring station in time.
A back-end monitoring service station: and setting service area monitoring stations at intervals of 40-50km, namely the distance between two expressway service areas, collecting and sorting all vehicle condition monitoring information in the administration path of the service area, transmitting the information to vehicles in adjacent areas in time, and transmitting the real-time path vehicle condition to a general service station.
Real-time information transmission with the car: the road side monitoring device is used for transmitting with the vehicle-mounted receiver and the vehicle-mounted display in a real-time wireless mode (5G transmission is adopted, and the microsecond level of transmission rate is guaranteed).
Controlling the vehicle: the vehicle-mounted receiver provides a standard protocol interface, provides operation results such as road and vehicle condition information and the like for the self-contained server of the vehicle, performs comprehensive intelligent analysis and judgment by means of the self equipment of the vehicle, and then takes timely lane change or overtaking measures, thereby ensuring safety and reliability.
Example two
The embodiment of the disclosure provides a road surface structure, and the dot matrix road surface monitoring device for automatic driving in the first embodiment is paved on the road surface structure.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (13)
1. Flexible track road surface monitoring system of full access formula, characterized by includes:
the road surface is divided into a plurality of route type lattices, different route type lattices can be combined into a plurality of floating sections with adjustable positions and lengths, each route type lattice is provided with a unique number and used for determining the accurate position of a vehicle, and each route type lattice is provided with a ground monitoring device.
2. The system of claim 1 wherein the ground monitoring device comprises:
the circuit comprises lines which are respectively arranged along a first direction and a second direction, wherein the lines in the first direction and the second direction are intersected, and a pressure detection unit is arranged at the intersection point;
the pressure detection unit at one end of the line in the first direction is connected in series with a one-way conduction unit and a matching resistance unit, and the matching resistance unit is connected to the line in the second direction where the pressure detection unit at the end is located.
3. The system according to claim 1, wherein a monitoring module is disposed at a predetermined distance from the road surface, and the monitoring modules are connected to the wayside monitoring device by different buses.
4. The system according to claim 1, wherein all the approaches are defined according to a certain direction, each floating section and the approach lattice are ensured, and each approach has a lane width and different floating sections with adjustable lengths according to determined direction parameters including GPS parameters or Beidou parameters, namely position information.
5. The system according to claim 2, wherein the pressure detecting unit is a radio frequency identification card, and the probe receives a signal detected by the radio frequency identification card and transmits the signal to the roadside monitoring device.
6. The system according to claim 2, wherein the one-way conduction unit is a component capable of realizing one-way conduction.
7. The system according to claim 6, wherein the unidirectional conducting unit is a unidirectional diode or a triode with controllable switch.
8. The system according to claim 2, wherein the matching resistor unit is a device which is distinguished from the switching value and does not affect the switching value state.
9. The system according to claim 2, wherein the matching resistor unit is a resistor, a capacitor or an inductor.
10. The system according to claim 2, wherein the pressure detecting units are attached to metal objects, and the pressure detecting units located in the same direction are distributed at equal intervals or at unequal intervals to ensure that the road surface is fully monitored.
11. The system according to claim 2, wherein the pressure detecting unit is disposed on a metal object for water-proofing, and the metal object is disposed in a direction perpendicular or parallel to the road surface for water-proofing, rust-proofing, and insulating.
12. The system of claim 2 wherein the pressure sensing units are arranged in a redundant manner to improve reliability.
13. The system according to claim 5, wherein the roadside monitoring device is wirelessly or wiredly transmitted to a monitoring station arranged in a nearby service area, and simultaneously reported to a general service station, and is in real-time communication with the vehicle-mounted controller by wireless transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144471.5U CN215752430U (en) | 2021-01-19 | 2021-01-19 | Full-route type flexible track pavement monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144471.5U CN215752430U (en) | 2021-01-19 | 2021-01-19 | Full-route type flexible track pavement monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215752430U true CN215752430U (en) | 2022-02-08 |
Family
ID=80071326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120144471.5U Active CN215752430U (en) | 2021-01-19 | 2021-01-19 | Full-route type flexible track pavement monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215752430U (en) |
-
2021
- 2021-01-19 CN CN202120144471.5U patent/CN215752430U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11955002B2 (en) | Autonomous vehicle control system with roadside unit (RSU) network's global sensing | |
| EP3473522B1 (en) | Vehicle on-board controller centered train operation control system | |
| WO2018132378A2 (en) | Connected automated vehicle highway systems and methods | |
| US8576069B2 (en) | Mobile sensing for road safety, traffic management, and road maintenance | |
| CN105046985B (en) | The traffic control system of major trunk roads system-wide section based on big data | |
| US7688224B2 (en) | Method and system for collecting traffic data, monitoring traffic, and automated enforcement at a centralized station | |
| KR101803891B1 (en) | The apparatus and method for smart reporting of traffic information with traffic factor and object tracking | |
| AU2018208404B2 (en) | Connected automated vehicle highway systems and methods | |
| CN109212513A (en) | Multiple target between radar data transmitting, data fusion and localization method is continuously tracked | |
| CN109949582A (en) | A kind of vehicle illegal traveling monitoring system based on wireless location | |
| CN107767677A (en) | Tramcar crossing safety zone control device based on mobile unit | |
| KR102456869B1 (en) | System for smart managing traffic | |
| CN111429734A (en) | Real-time monitoring system and method for inside and outside port container trucks | |
| CN105206074A (en) | Highway traffic guidance method and highway traffic guidance system | |
| CN215752430U (en) | Full-route type flexible track pavement monitoring system | |
| CN206376199U (en) | Two-way lane inducible system | |
| CN107839718A (en) | Tramcar crossing safety zone control device based on fixed equipment | |
| CN207433558U (en) | Tramcar crossing safety zone control device based on fixed equipment | |
| CN114822014B (en) | Region detection system and method based on flexible track approach type lattice structure | |
| CN114815792A (en) | Automatic driving flexible track pavement monitoring system and signal scanning method | |
| CN114802259A (en) | Unmanned control system and method based on flexible track route type dot matrix structure | |
| CN214200454U (en) | Dot matrix pavement monitoring device for automatic driving and pavement structure | |
| EP0694463B1 (en) | Method and device for warning persons in the track area | |
| CN113436458A (en) | Intelligent bus dispatching method | |
| Nejjari et al. | Event traffic detection using heterogenous wireless sensors network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |