CN111627221A - Automatic comprehensive detection system based on no-parking dynamic intelligent weighing - Google Patents
Automatic comprehensive detection system based on no-parking dynamic intelligent weighing Download PDFInfo
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- CN111627221A CN111627221A CN202010256119.0A CN202010256119A CN111627221A CN 111627221 A CN111627221 A CN 111627221A CN 202010256119 A CN202010256119 A CN 202010256119A CN 111627221 A CN111627221 A CN 111627221A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/03—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
- G01G19/035—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion using electrical weight-sensitive devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
An automatic comprehensive detection system based on non-stop dynamic intelligent weighing comprises a pre-detection point position, a weighing detection position, a ground induction coil, a vehicle detector, a quartz sensor, a charge amplifier, a weighing controller, a snapshot machine, a switch and an industrial personal computer; the ground induction coil is positioned at the pre-detection point position and is in communication connection with the vehicle detector so as to be triggered when the vehicle runs to the pre-detection point position and transmit a trigger signal to the vehicle detector; the vehicle detector is in communication connection with the weighing controller; the quartz sensor is positioned at the weighing detection position and is in communication connection with the charge amplifier so as to transmit a weighing signal to the charge amplifier when the vehicle continues to run to the weighing detection position; the charge amplifier is in communication connection with the weighing controller so as to transmit the amplified signal to the weighing controller for weighing analysis. The invention can fully reduce resource waste, improve road traffic capacity and personnel enforcement efficiency, and prolong road service life.
Description
Technical Field
The invention relates to the technical field of intelligent traffic vehicle weighing, in particular to an automatic comprehensive detection system based on non-stop dynamic intelligent weighing.
Background
With the high-speed development of national economy, the continuous acceleration of urbanization process, the rapid growth of urban scale and population and the continuous improvement of the living standard of people, the motor vehicles have the rapid growth, the motor vehicles are more and more emphasized by people, and have closer and closer relationship with the life of people, so that unprecedented pressure is brought to road traffic, and meanwhile, great challenges are brought to the road department how to more effectively protect the safety of vehicles going out of the masses of people, maintain the legal rights and interests of the masses of people, prolong the service life of roads, reduce the road maintenance cost and hit the phenomenon of overload.
Firstly, although the construction of the domestic overload prevention and pre-inspection system is gradually improved, the pre-inspection points constructed at present are relatively loose due to the high cost, the high construction difficulty, the long engineering period, the strict installation requirement and the like of the pre-inspection points, and a firm intelligent management network cannot be effectively formed at key road sections or key bridge entrances. Secondly, the national highway informatization construction has not been developed rapidly before, and the high-speed non-stop weighing, license plate recognition snapshot and video monitoring play no substitutable role in the construction process, but the construction mode of the prior highway overload control system mainly adopts static weighing, needs queuing for waiting, seriously influences the road passing efficiency, and cannot effectively obtain the important characteristics of vehicles, namely vehicle weight and license plate number under the condition of no stop at high speed by scientific and technological means.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background technology, the invention provides an automatic comprehensive detection system based on non-stop dynamic intelligent weighing, a super-control pre-detection system based on a high-speed non-stop weighing technology can realize real-time sharing of data and information, reduce information asymmetry to the maximum extent, fully reduce resource waste by utilizing technologies such as front-end weighing, snapshot and license plate recognition, improve road traffic capacity and personnel law enforcement efficiency, prolong the service life of a road, and perfectly integrate the high-speed non-stop weighing technology, a wheel axle recognition technology, a license plate snapshot recognition technology, an intelligent analysis technology and the like through an intelligent algorithm.
(II) technical scheme
The invention provides an automatic comprehensive detection system based on non-stop dynamic intelligent weighing, which comprises a pre-detection point position, a weighing detection position, a ground induction coil, a vehicle detector, a quartz sensor, a charge amplifier, a weighing controller, a snapshot machine, a switch and an industrial personal computer;
the ground induction coil is positioned at the pre-detection point position and is in communication connection with the vehicle detector so as to be triggered when the vehicle runs to the pre-detection point position and transmit a trigger signal to the vehicle detector; the vehicle detector is in communication connection with the weighing controller; the quartz sensor is positioned at the weighing detection position and is in communication connection with the charge amplifier so as to transmit a weighing signal to the charge amplifier when the vehicle continues to run to the weighing detection position; the charge amplifier is in communication connection with the weighing controller so as to transmit the amplified signal to the weighing controller for weighing analysis; the weighing controller is connected with the snapshot machine to identify the license plate, and the weighing controller is in communication connection with the industrial personal computer through the switch.
Preferably, the system further comprises a core switch and a central management server, wherein the switch is in communication connection with the central management server through the core switch.
Preferably, the intelligent traffic control system further comprises a decoder and a variable information board, wherein the core switch is connected with the variable information board through the decoder, and the variable information board displays text information indicating whether the vehicle is allowed to pass or not.
Preferably, the license plate recognition process includes the following steps:
and (3) license plate positioning: firstly, graying a vehicle image acquired by a snapshot machine to enable a color image to be a grayscale image, then enhancing the image and carrying out binarization processing on the image to enable a license plate image to be simple, carrying out row-column scanning on the grayscale image after image preprocessing, determining a candidate area containing license plate line segments in the row direction, determining the initial row coordinate and height of the area, and then carrying out row-column scanning on the area to determine the row coordinate and width of the area, thereby determining the position of a license plate and providing a basis for a subsequent character segmentation algorithm;
character segmentation: dividing characters in the license plate area after the license plate area is positioned into single characters, then recognizing the characters, projecting a license plate image along the vertical direction by adopting a vertical projection method for character division, removing the height of the character image according to a projection drawing of the license plate image in the horizontal direction, finding the upper and lower boundaries of the character image, determining the image width of each character according to the projection drawing of the license plate image in the vertical direction, finding the left and right boundaries of the character image, and dividing the characters in the license plate area into single characters;
character recognition: and binarizing the segmented characters by using a template matching method, scaling the size of the segmented characters into the size of a template in a character database, matching the segmented characters with all standard templates, and finally selecting the optimal matching result.
Preferably, the weighing controller is connected with a flash lamp matched with the snapshot machine for use.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the super-control pre-inspection system based on the high-speed non-stop weighing technology can realize real-time sharing of data and information, reduces information asymmetry to the maximum extent, fully reduces resource waste by utilizing technologies such as front-end weighing, snapshot, license plate recognition and the like, improves road traffic capacity, improves personnel law enforcement efficiency, prolongs road service life, and perfectly integrates the high-speed non-stop weighing technology, the axle recognition technology, the license plate snapshot recognition technology, the intelligent analysis technology and the like through an intelligent algorithm.
Drawings
Fig. 1 is a schematic diagram of an automated comprehensive detection system based on non-stop dynamic intelligent weighing provided by the invention.
Fig. 2 is a schematic weighing flow diagram of an automatic comprehensive detection system based on non-stop dynamic intelligent weighing provided by the invention.
Fig. 3 is a schematic structural diagram of a license plate recognition function of the automatic comprehensive detection system based on the non-stop dynamic intelligent weighing provided by the invention.
Fig. 4 is a schematic diagram of a license plate recognition process of the automatic comprehensive detection system based on the non-stop dynamic intelligent weighing provided by the invention.
Reference numerals: 1. a ground induction coil; 2. a vehicle detector; 3. a quartz sensor; 4. a charge amplifier; 5. a weighing controller; 6. a snapshot machine; 7. a flash lamp; 8. a switch; 9. an industrial personal computer; 10. a core switch; 11. a central management server; 12. a decoder; 13. a variable information board.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the automatic comprehensive detection system based on non-stop dynamic intelligent weighing provided by the invention comprises a pre-detection point position, a weighing detection position, a ground induction coil 1, a vehicle detector 2, a quartz sensor 3, a charge amplifier 4, a weighing controller 5, a snapshot machine 6, a switch 8 and an industrial personal computer 9;
the ground induction coil 1 is positioned at the pre-detection point, and the ground induction coil 1 is in communication connection with the vehicle detector 2 so as to be triggered when a vehicle runs to the pre-detection point and transmit a trigger signal to the vehicle detector 2; the vehicle detector 2 is in communication connection with the weighing controller 5; the quartz sensor 3 is positioned at the weighing detection position, and the quartz sensor 3 is in communication connection with the charge amplifier 4 so as to transmit a weighing signal to the charge amplifier 4 when the vehicle continues to run to the weighing detection position; the charge amplifier 4 is in communication connection with the weighing controller 5 so as to transmit the amplified signal to the weighing controller 5 for weighing analysis; the weighing controller 5 is in control connection with the snapshot machine 6 to identify license plates, and the weighing controller 5 is in communication connection with the industrial personal computer 9 through the switch 8.
In an alternative embodiment, the system further comprises a core switch 10 and a central management server 11, and the switch 8 is communicatively connected with the central management server 11 through the core switch 10.
In an alternative embodiment, a decoder 12 and a variable intelligence board 13 are further included, the core switch 10 is connected to the variable intelligence board 13 through the decoder 12, and the variable intelligence board 13 displays text information indicating whether the vehicle is allowed to pass.
The decoder 12 decodes the data of the result to be displayed, and transmits the decoded data to the variable information board 13 to be displayed.
In an alternative embodiment, the license plate recognition process includes the steps of:
and (3) license plate positioning: firstly, graying a vehicle image acquired by a snapshot machine 6 to enable a color image to be a gray image, then enhancing the image and carrying out binarization processing on the image to enable a license plate image to be simple, carrying out row-column scanning on the gray image after image preprocessing, determining a candidate area containing license plate line segments in the row direction, determining the initial row coordinate and height of the area, and then carrying out row-column scanning on the area to determine the row coordinate and width of the area, thereby determining the position of a license plate and providing a basis for a subsequent character segmentation algorithm;
character segmentation: dividing characters in the license plate area after the license plate area is positioned into single characters, then recognizing the characters, projecting a license plate image along the vertical direction by adopting a vertical projection method for character division, removing the height of the character image according to a projection drawing of the license plate image in the horizontal direction, finding the upper and lower boundaries of the character image, determining the image width of each character according to the projection drawing of the license plate image in the vertical direction, finding the left and right boundaries of the character image, and dividing the characters in the license plate area into single characters;
character recognition: and binarizing the segmented characters by using a template matching method, scaling the size of the segmented characters into the size of a template in a character database, matching the segmented characters with all standard templates, and finally selecting the optimal matching result.
In an alternative embodiment, the weighing controller 5 controls a flash 7 connected for use with the snapshot machine 6.
It should be noted that the flash 7 is directed to the vehicle, so that the snapshot machine 6 can shoot the picture of the vehicle more clearly.
When the invention is used, when a vehicle passes through a pre-detection point location at normal running speed, a ground induction coil 1 is triggered by the principle of cutting a magnetic induction line by electromagnetic induction in the running direction, the ground induction coil 1 transmits a signal to a vehicle detector 2, a linked snapshot machine 6 shoots the signal, at the moment, the unique vehicle is distinguished to enter a region to be detected, the vehicle continuously runs to a high-speed non-stop weighing detection position, a quartz sensor 3 is triggered to generate a charge signal, the signal is processed and amplified by a charge amplifier 4, the data is transmitted to a weighing controller 5 for analysis, a weighing data processing algorithm and a wheel axle identification algorithm are arranged in the weighing controller 5, the information such as the whole vehicle weight, the wheel axle number, the single-axle weight and the like of the vehicle can be collected and input, the information is uploaded to an industrial personal computer 9 at the pre-detection point location for controlling excess, the synthesis of license plate snapshot information and the passing weighing data information is carried out in the industrial, Matching, wherein the snapshot information and the weighing data are in one-to-one correspondence, and after the processing is finished, the snapshot information and the weighing data are uploaded to a central management server 11 for storage and are displayed on a platform interface in real time, and if the vehicle is an overrun overload suspected vehicle, the snapshot information is displayed on a variable information board 13 to prompt the suspected vehicle to enter an overrun station for rechecking.
The super-control pre-inspection system based on the high-speed non-stop weighing technology can realize real-time sharing of data and information, reduces information asymmetry to the maximum extent, fully reduces resource waste by utilizing technologies such as front-end weighing, snapshot, license plate recognition and the like, improves road traffic capacity, improves personnel law enforcement efficiency, prolongs road service life, and perfectly integrates the high-speed non-stop weighing technology, the axle recognition technology, the license plate snapshot recognition technology, the intelligent analysis technology and the like through an intelligent algorithm.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. An automatic comprehensive detection system based on non-stop dynamic intelligent weighing is characterized by comprising a pre-detection point position, a weighing detection position, a ground induction coil (1), a vehicle detector (2), a quartz sensor (3), a charge amplifier (4), a weighing controller (5), a snapshot machine (6), a switch (8) and an industrial personal computer (9);
the ground induction coil (1) is located at the pre-detection point, and the ground induction coil (1) is in communication connection with the vehicle detector (2) so as to be triggered when a vehicle runs to the pre-detection point and transmit a trigger signal to the vehicle detector (2); the vehicle detector (2) is in communication connection with the weighing controller (5); the quartz sensor (3) is positioned at the weighing detection position, and the quartz sensor (3) is in communication connection with the charge amplifier (4) so as to transmit a weighing signal to the charge amplifier (4) when the vehicle continues to run to the weighing detection position; the charge amplifier (4) is in communication connection with the weighing controller (5) so as to transmit the amplified signal to the weighing controller (5) for weighing analysis; the weighing controller (5) is in control connection with the snapshot machine (6) to identify license plates, and the weighing controller (5) is in communication connection with the industrial personal computer (9) through the switch (8).
2. The automatic comprehensive detection system based on the no-parking dynamic intelligent weighing is characterized by further comprising a core switch (10) and a central management server (11), wherein the switch (8) is in communication connection with the central management server (11) through the core switch (10).
3. The automatic comprehensive detection system based on the no-parking dynamic intelligent weighing is characterized by further comprising a decoder (12) and a variable information board (13), wherein the core switch (10) is connected with the variable information board (13) through the decoder (12), and the variable information board (13) displays text information of whether vehicles are allowed to pass or not.
4. The automatic comprehensive detection system based on the no-parking dynamic intelligent weighing is characterized in that the license plate identification process comprises the following steps:
and (3) license plate positioning: firstly, graying a vehicle image acquired by a snapshot machine (6) to enable a color image to be a gray image, then enhancing the image and carrying out binarization processing on the image to enable a license plate image to be simple, carrying out row-column scanning on the gray image after image preprocessing, determining a candidate area containing license plate line segments in the row direction, determining the initial row coordinate and height of the area, and then carrying out row-column scanning on the area to determine the row coordinate and width of the area, thereby determining the position of a license plate and providing a basis for a subsequent character segmentation algorithm;
character segmentation: dividing characters in the license plate area after the license plate area is positioned into single characters, then recognizing the characters, projecting a license plate image along the vertical direction by adopting a vertical projection method for character division, removing the height of the character image according to a projection drawing of the license plate image in the horizontal direction, finding the upper and lower boundaries of the character image, determining the image width of each character according to the projection drawing of the license plate image in the vertical direction, finding the left and right boundaries of the character image, and dividing the characters in the license plate area into single characters;
character recognition: and binarizing the segmented characters by using a template matching method, scaling the size of the segmented characters into the size of a template in a character database, matching the segmented characters with all standard templates, and finally selecting the optimal matching result.
5. The automatic comprehensive detection system based on the non-stop dynamic intelligent weighing is characterized in that a flash lamp (7) matched with a snapshot machine (6) is connected with a weighing controller (5) in a control mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010256119.0A CN111627221A (en) | 2020-04-02 | 2020-04-02 | Automatic comprehensive detection system based on no-parking dynamic intelligent weighing |
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| CN202010256119.0A CN111627221A (en) | 2020-04-02 | 2020-04-02 | Automatic comprehensive detection system based on no-parking dynamic intelligent weighing |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984163A (en) * | 2021-09-29 | 2022-01-28 | 合肥市正茂科技有限公司 | Visual auxiliary studying and judging method and system for truck non-stop weighing |
| CN115127652A (en) * | 2022-02-17 | 2022-09-30 | 武汉理工大学 | High-precision narrow-strip vehicle dynamic weighing system based on intelligent algorithm and weighing method thereof |
| CN116124269A (en) * | 2023-04-18 | 2023-05-16 | 深圳亿维锐创科技股份有限公司 | Weighing calibration method, device, equipment and storage medium of dynamic truck scale |
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