CN115620249A - Intelligent inspection system and method for road green channel - Google Patents
Intelligent inspection system and method for road green channel Download PDFInfo
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- CN115620249A CN115620249A CN202211417970.2A CN202211417970A CN115620249A CN 115620249 A CN115620249 A CN 115620249A CN 202211417970 A CN202211417970 A CN 202211417970A CN 115620249 A CN115620249 A CN 115620249A
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- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
- G06V20/54—Surveillance or monitoring of activities, e.g. for recognising suspicious objects of traffic, e.g. cars on the road, trains or boats
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Abstract
The invention discloses an intelligent inspection system and method for a road green channel. The front barrier machine is arranged in front of the vehicle passing direction, works under a controlled instruction and blocks a vehicle to be driven in; the license plate camera is arranged at a preset height in the vehicle passing direction, and takes pictures at regular time to recognize license plate information from the pictures; the X-ray machine is arranged above or on the side surface of the vehicle passing channel and is used for scanning the vehicle-mounted cargos; the initial grating and the tail grating are respectively installed at preset intervals in the vehicle passing direction and used for judging the running position of the vehicle. The invention greatly improves the inspection efficiency, has good economic value and solves the long-standing problem that the efficiency and the safety can not be balanced.
Description
Technical Field
The invention belongs to an intelligent detection technology, and particularly relates to an intelligent detection method and system for a road green channel.
Background
In order to improve the passing efficiency of roads, ETC and other technologies are adopted to accelerate the efficiency of entering and exiting the station, so that great convenience is brought to drivers, and the passing speed is improved. However, this solution also brings a new problem, namely the problem of compliance detection of the vehicle cargo. Different from the inspection of objects such as subways and buses, the detection of vehicles on highways is large in size, and how to detect the vehicles quickly and efficiently is a technical problem which is not solved at present and is one of the core problems of highway traffic efficiency and traffic safety balance.
Therefore, new technical innovations are needed to solve the above problems of the prior art.
Disclosure of Invention
The purpose of the invention is as follows: the intelligent checking system for the green road channel is provided to solve the problems in the prior art.
The technical scheme is as follows: green passageway intelligent check system of highway includes:
the front barrier machine is arranged in front of the passing direction of the vehicle, works under a controlled instruction and blocks the vehicle to be driven in;
the license plate camera is arranged at a preset height in the vehicle passing direction, takes pictures at regular time and identifies license plate information from the pictures;
the X-ray machine is arranged above or on the side surface of the vehicle passing channel and is used for scanning vehicle-mounted cargos;
the initial grating and the tail grating are arranged at intervals of a preset distance in the vehicle passing direction and are used for judging the running position of the vehicle.
According to one aspect of the application, the device further comprises a cab protection device, wherein the cab protection device is arranged at a preset position in the vehicle passing direction and is arranged in parallel with the X-ray machine and used for protecting the cab and preventing the X-ray from passing through the cab.
According to an aspect of the application, still include the speed sensor, set up in the current direction of vehicle for detect the speed of a motor vehicle, and through display device suggestion vehicle driver current speed of a motor vehicle.
According to one aspect of the application, the vehicle body monitoring system further comprises a vehicle body camera for shooting the vehicle body image, calculating the volume ratio of the vehicle and calculating whether the vehicle meets the exemption condition or not according to the volume ratio.
According to another aspect of the application, the intelligent inspection method for the green channel of the road comprises the following steps:
s1, a vehicle enters a channel, the speed is obtained through a speed measuring sensor, the speed is displayed through a display screen, a speed reduction prompt is sent out, the speed reduction of the vehicle is prompted, and the maintenance of a standard vehicle speed is prompted;
s2, judging whether a vehicle still exists in the channel, and if the vehicle does not exist, lighting a green indicating lamp to prepare to enter a detection area; if the warning signal exists, the orange warning lamp is on to prompt the vehicle to wait;
s3, obtaining the current position of the vehicle through the front ground induction coil, and if the vehicle enters a preset position of the passage, automatically lifting the front barrier machine, so that the vehicle can enter a detection area;
s4, judging whether the vehicle completely drives in through the rear ground induction coil, if so, automatically dropping the front railing machine, and preventing other vehicles from entering a detection area before the vehicle is not detected;
and S5, when the vehicle blocks the first grating, the license plate recognition camera shoots a picture of the vehicle head, automatically recognizes the number of the license plate and collects the real-time running speed of the vehicle.
According to one aspect of the application, the method further comprises the following steps:
s6, reading the passing license plate information, searching the green declaration information corresponding to the license plate, if the license plate information is not declared, terminating the detection process, entering an MTC charging mode, and allowing the vehicle to pass the payment; if the declaration information is retrieved, the vehicle enters a green-pass detection process;
s7, when the vehicle entering the green channel process blocks the second grating, starting a side camera to start to shoot a side picture, and simultaneously starting an X-ray source power supply to lift voltage to enable an X-ray detection system to enter a preparation state;
s8, when the vehicle blocks the third grating, the vehicle head is shown to be driven away from the beam outlet surface of the X-ray source, the cockpit is prevented from being irradiated by X-rays, meanwhile, the red ray indicator lamp is turned on, and the X-ray light is turned on to scan the carriage;
and S9, when the tail of the vehicle leaves the second grating, ending the scanning of the carriage, turning off the X-ray source and the red warning lamp, and simultaneously ending the side shooting.
According to one aspect of the application, in the process from the step S6 to the step S9, the method further includes measuring the real-time speed of the vehicle through a speed measurement sensor, and correcting the image in the X-axis direction.
According to one aspect of the application, in the process from the step S6 to the step S9, the distance of the vehicle body is measured in real time through the X-ray machine and the detector arm ranging sensor, and the correction is carried out in the Y-axis direction of the image.
According to one aspect of the application, further comprising: calculating the volume rate according to the scanned image, giving a volume rate conclusion or sending the conclusion to a specified server, and performing remote calculation;
vehicles meeting the exemption conditions leave the field according to the indication; leaving the field after charging which does not meet the condition of exemption; the disputed vehicle leaves the scene after being subjected to evidence collection on the second scene;
after the vehicle leaves the toll booth, the toll collector presses the confirmation key, the system is reset, and the vehicle can be allowed to enter the next vehicle for detection.
Has the advantages that: the invention can quickly and efficiently check the vehicle and realize the balance of efficiency and safety.
Drawings
FIG. 1 is a system topology diagram of the present invention.
FIG. 2 is a schematic diagram of an apparatus according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of the detection process of the present invention.
FIG. 4 is a schematic view of a test interface of the present invention.
FIG. 5 is a schematic view of a detection interface according to another embodiment of the present invention.
The various reference numbers are: the system comprises a front rail machine 1, a license plate shooting camera 2, a 3X-ray machine, a control cabinet 5, a vehicle body scanning camera 6, an initial grating 7, an imager 8 and a tail grating 9.
Detailed Description
Example 1
The process of the method of the present invention is described with reference to fig. 1, specifically as follows:
the system mainly comprises a PLC controller, a network switch, a main control computer, a display computer, a license plate identification camera, a side body scanning camera, an imager, a railing machine, a ray machine, a plurality of gratings and the like. The specific connection relationship is shown in FIG. 1.
The method mainly comprises the following steps:
1. when the vehicle enters the channel, the deceleration indication prompts the vehicle to decelerate, the current speed of the vehicle is displayed, and the maintenance of the standard vehicle speed is prompted.
2. Under the condition that detection of the vehicle is not finished in the channel, the green indicating lamp is turned on, and the vehicle is ready to enter the detection area. Otherwise, the orange warning lamp is on to prompt the vehicle to wait;
3. the front ground induction coil is pressed by the vehicle, the front railing machine is automatically lifted, and the vehicle can enter a detection area;
4. when the vehicle passes through the rear ground induction coil, the front railing machine automatically falls down, and other vehicles are prevented from entering a detection area before the vehicle is not detected;
5. when the vehicle blocks the No. 1 grating, the license plate recognition camera shoots a picture of the vehicle head, automatically recognizes the license plate number and collects the real-time running speed of the vehicle;
6. reading the green declaration information through the license plate, if the green declaration information does not exist, terminating the detection process, entering an MTC charging mode, and allowing the vehicle to pass through the payment; if the declaration information is retrieved, the vehicle enters a green communication detection process;
7. when the vehicle entering the green-channel process blocks the second grating, the side camera is started to start to shoot a side photo, and meanwhile, the X-ray source power supply is started to carry out voltage lifting (beam does not exit), so that the X-ray detection system enters a preparation state.
8. When the vehicle blocks the third grating, the vehicle head is driven away from the beam outlet surface of the X-ray source, the cockpit is prevented from being irradiated by X-rays, and meanwhile, the red ray indicator lamp is turned on, and the X-ray light is turned on to scan the compartment.
9. When the tail of the vehicle leaves the second grating, the X-ray finishes scanning the carriage, the X-ray source and the red warning lamp are turned off, and meanwhile, side shooting is finished.
10. In the process of the flow 6-9, the speed measuring sensor measures the real-time speed of the vehicle and is used for correcting the X-axis direction of the image;
11. in the process of the flow 6-9, the X-ray machine and the detector arm ranging sensor measure the distance of the vehicle body in real time and are used for correcting the Y-axis direction of the image;
12. calculating the volume rate according to the scanned image, giving a volume rate conclusion or sending the conclusion to a specified server for remote calculation;
13. vehicles meeting the exemption conditions leave the field according to the indication; leaving the field after charging which does not meet the condition of exemption; the disputed vehicle leaves the scene after being subjected to evidence collection at the second scene;
14. after the vehicle leaves the toll booth, the toll collector presses the 'confirm' key, the system is reset, and the vehicle can be allowed to enter the next vehicle for detection.
As shown in fig. 3 and 4, a fluoroscopic image is generated by using the X-ray transmission imaging principle, and a fan-shaped ray emitted from a ray device is transmitted through a vehicle and loaded goods and received by an imager installed on the other side. Because the density of different parts of various articles is different and the absorption degree of X-rays is different, the signal intensity output by the imager is different, and the image related to the outline and the shape of the article loaded on the vehicle can be generated after the signal output by the imager is subjected to image processing.
The automatic vehicle detection system has the following functions:
1. judging whether the vehicle needs to enter an inspection process or not through a license plate identification and pre-declaration database;
2. when the detected vehicle passes through the detection channel, the goods loaded in the carriage are subjected to perspective inspection in a non-stop state, and the automatic avoidance of a cockpit is realized;
3. automatically photographing the side of the vehicle body when the vehicle passes through the detection channel, and completely splicing the side photos into the side photos of the vehicle body;
4. after the checked carriage is scanned, an external information image and an X-ray perspective information image of the vehicle are generated at the same time, the loading rate of the vehicle is automatically calculated and provided for a detection person, and the condition of goods in the carriage can be analyzed and distinguished in detail;
5. providing an X-ray perspective image, clearly displaying the mixed loading condition in the carriage, and synchronously prompting detection personnel to verify;
6. the license plate information of the scanned vehicle is automatically recognized, the license plate information comprises license plate numbers, colors and the like, and the recognition accuracy can reach more than 95%;
7. the detection data and the judgment result are automatically stored according to the login information of the inspector for later calling and analysis;
8. a standard Ethernet interface is provided, so that remote monitoring, debugging and data transmission can be realized;
9. the images of the scanned car body and the transillumination car cargo can be stored;
emergency stop switches are arranged on two sides above the entrance and exit of the scanning channel of the equipment and on the operation keyboard.
If an emergency situation is encountered, any one of the emergency stop switches is pressed, and the device immediately stops the emission of the rays and the running of the conveyor belt.
The power indicator lamps are arranged on the entrance and exit of the scanning channel of the equipment and the operation keyboard, and the power indicator lamp marks are arranged nearby the power indicator lamps (because products are updated continuously, the actual product indicator lamps may be slightly different from the power indicator lamps in the figure).
After the equipment is powered on and started, the power indicator lamps are simultaneously lightened.
X-ray indicating lamps are arranged on the entrance and the exit of the scanning passage of the equipment and an operation keyboard, and the X-ray indicating lamp marks are arranged nearby the X-ray indicating lamps (because products are updated continuously, actual product indicating lamps may be slightly different from the images).
When X-ray is emitted, the X-ray indicator lamp is simultaneously lighted.
As shown in fig. 5, the upper diagram is a main viewing angle display interface, and the lower diagram is a side viewing angle display interface (dual viewing angle device), and after the object is fed into the inspection channel, the image displays the scanned image of the object in a scroll manner during the scanning process. The main visual angle interface is a system state panel, and the area displays the main state information of the equipment, and comprises:
indicating the current state of the device. The device has seven states, namely ready, waiting, scanning, rewinding, beam-out, fault and other prompts.
The various system states are introduced as follows:
ready: the operator logs in the system, the conveyor belt does not run, and the operator can start to check the conveyor belt; waiting: the equipment has started the conveyor belt, is waiting for the articles to enter; scanning: during X-ray emission, an object is being scanned; beam outlet: the system emits rays in advance and prepares to enter scanning; and (3) fault prompting: and displaying the current fault or safety interlocking information of the equipment. Note that: (forced) means that the forced scan function is enabled.
Basic flow of this example:
(1) the vehicle gear lever is controlled through the ground induction coil;
(2) controlling the license plate recognition and the X-ray emission device to emit beams through the grating group, and completing automatic avoidance of the vehicle head;
(3) the channel returns to the ready state after the vehicle finishes the inspection and the charging;
(4) and the non-cargo vehicles are not scanned by butting the traffic database and recognizing the license plates.
The main functions of this embodiment include: the method comprises the steps of automatically capturing information of a vehicle head, automatically capturing and inputting license plate information, automatically recording environment information, automatically scanning the side surface of a vehicle body, automatically avoiding the vehicle head and scanning a carriage, automatically compensating speed and automatically calculating the volume ratio.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent modifications can be made within the technical spirit of the present invention, and the scope of the present invention is also within the scope of the present invention.
Claims (9)
1. Green passageway intelligent check system of highway, its characterized in that includes:
the front barrier machine is arranged in front of the passing direction of the vehicle, works under a controlled instruction and blocks the vehicle to be driven in;
the license plate camera is arranged at a preset height in the vehicle passing direction, takes pictures at regular time and identifies license plate information from the pictures;
the X-ray machine is arranged above or on the side surface of the vehicle passing channel and is used for scanning vehicle-mounted cargos;
the initial grating and the tail grating are arranged at intervals of a preset distance in the vehicle passing direction and are used for judging the running position of the vehicle.
2. The intelligent road green channel inspection system according to claim 1, further comprising a cab guard installed at a predetermined position in a vehicle passing direction and arranged in parallel with the X-ray machine for protecting the cab from X-rays passing through the cab.
3. The intelligent inspection system for green road channels as claimed in claim 1, further comprising a speed sensor disposed in the vehicle passing direction for detecting the vehicle speed and prompting the current vehicle speed to the vehicle driver through a display device.
4. The intelligent road green channel inspection system of claim 1, further comprising a body camera for capturing images of the body of the vehicle and calculating a volume fraction of the vehicle, and calculating whether the vehicle meets the exemption condition based on the volume fraction.
5. The intelligent inspection method for the green road channel is characterized by comprising the following steps of:
s1, a vehicle enters a channel, the speed is obtained through a speed measuring sensor, the speed is displayed through a display screen, a speed reduction prompt is sent out, the speed reduction of the vehicle is prompted, and the maintenance of a standard vehicle speed is prompted;
s2, judging whether a vehicle still exists in the channel, and if the vehicle does not exist, lighting a green indicating lamp to prepare to enter a detection area; if the warning signal exists, the orange warning lamp is on to prompt the vehicle to wait;
s3, obtaining the current position of the vehicle through the front ground induction coil, and if the vehicle enters a preset position of the passage, automatically lifting the front barrier machine, so that the vehicle can enter a detection area;
s4, judging whether the vehicle completely drives in through the rear ground induction coil, if so, automatically dropping the front railing machine, and preventing other vehicles from entering a detection area before the vehicle is not detected;
and S5, when the vehicle blocks the first grating, the license plate recognition camera shoots a picture of the vehicle head, automatically recognizes the number of the license plate and collects the real-time running speed of the vehicle.
6. The intelligent road green channel inspection method of claim 5, further comprising the steps of:
s6, reading the passing license plate information, searching the green declaration information corresponding to the license plate, if the license plate information is not declared, terminating the detection process, entering an MTC charging mode, and allowing the vehicle to pass the payment; if the declaration information is retrieved, the vehicle enters a green-pass detection process;
s7, when the vehicle entering the green channel process blocks the second grating, starting a side camera to start shooting a side photo, and simultaneously starting an X-ray source power supply to lift voltage to enable an X-ray detection system to enter a preparation state;
s8, when the vehicle blocks the third grating, the vehicle head is shown to be driven away from the beam outlet surface of the X-ray source, the cockpit is prevented from being irradiated by X-rays, meanwhile, the red ray indicator lamp is turned on, and the X-ray light is turned on to scan the carriage;
and S9, when the tail of the vehicle leaves the second grating, ending the scanning of the carriage, turning off the X-ray source and the red warning lamp, and simultaneously ending the side shooting.
7. The intelligent inspection method for green channels of roads as claimed in claim 6, wherein in the process of step S6 to step S9, the method further comprises measuring the real-time speed of the vehicle by a speed sensor for correcting the X-axis direction of the image.
8. The intelligent road green channel inspection method according to claim 6, wherein in the process from step S6 to step S9, the distance between the vehicle body is measured in real time by an X-ray machine and a detector arm distance measuring sensor, and the measured distance is used for correcting the Y-axis direction of the image.
9. The intelligent road green channel inspection method of claim 8, further comprising:
calculating the volume rate according to the scanned image, giving a volume rate conclusion or sending the conclusion to a specified server for remote calculation;
the vehicle meeting the exemption condition leaves the field according to the indication; leaving the field after charging which does not meet the condition of exemption; the disputed vehicle leaves the scene after being subjected to evidence collection on the second scene;
after the vehicle leaves the toll booth, the toll collector presses the confirmation key, the system is reset, and the vehicle can be allowed to enter the next vehicle for detection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211417970.2A CN115620249A (en) | 2022-11-14 | 2022-11-14 | Intelligent inspection system and method for road green channel |
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| CN202211417970.2A CN115620249A (en) | 2022-11-14 | 2022-11-14 | Intelligent inspection system and method for road green channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120558125A (en) * | 2025-07-22 | 2025-08-29 | 比业电子（北京）有限公司 | A truck safety detection system |
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- 2022-11-14 CN CN202211417970.2A patent/CN115620249A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120558125A (en) * | 2025-07-22 | 2025-08-29 | 比业电子（北京）有限公司 | A truck safety detection system |
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