CN114279549A - Safe and reliable anti-cheating intelligent weighing system - Google Patents
Safe and reliable anti-cheating intelligent weighing system Download PDFInfo
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Abstract
The invention discloses a safe and reliable anti-cheating intelligent weighing system, which consists of a wheel axle detection subsystem, a vehicle separation subsystem, a snapshot recognition subsystem, a weighing subsystem, a voice prompt subsystem, an edge pressing prevention subsystem, a barrier gate control subsystem, a vehicle contour detection subsystem, an information release subsystem, a video monitoring subsystem, a power supply lightning protection subsystem and a field control subsystem, wherein the detection system has the following overall basic functions: 1. the system has the functions of detecting and outputting the types, the number of axles, the total mass, the length, the height and the width of the freight vehicles and whether the freight vehicles exceed the limits; 2. the system has the functions of identifying and outputting the license plate of the freight vehicle; 3. the video recording and outputting functions of the freight vehicle are provided; 4. the system has the functions of capturing and outputting freight vehicle images; 5. the device has the function of voice broadcast of the detection information; 6. the system has the function of controlling an exit barrier; 7. the original data are transmitted to the overload management information system in real time, and the detection data cannot be modified on site.
Description
Technical Field
The invention relates to the technical field of intelligent weighing systems, in particular to a safe and reliable anti-cheating intelligent weighing system.
Background
The intelligent weighing system is also called as an unattended weighing system, can realize the networking weighing of a plurality of truck scales, the same vehicle can respectively pass through tare weight and gross weight in different truck scales, and each weighing data is updated in real time, thereby effectively improving the utilization rate of the truck scales. The system can automatically generate EXCEL reports from the metering data according to the requirements and automatically transmit the reports to computers of specified departments through a network. The existing intelligent weighing system generally has an opacification phenomenon, and the phenomenon of inaccurate weighing exists in the weight of the intelligent weighing system. In view of the above problems, a solution is proposed as follows.
Disclosure of Invention
The invention aims to provide a safe and reliable anti-cheating intelligent weighing system which has the advantages of transparency in the whole process, intelligence and high efficiency.
The technical purpose of the invention is realized by the following technical scheme:
a safe and reliable anti-cheating intelligent weighing system is composed of a wheel axle detection subsystem, a vehicle separation subsystem, a snapshot recognition subsystem, a weighing subsystem, a voice prompt subsystem, an anti-edge pressing subsystem, a barrier gate control subsystem, a vehicle contour detection subsystem, an information release subsystem, a video monitoring subsystem, a power supply lightning protection subsystem and a field control subsystem.
Preferably, the axle equipment of the axle detection subsystem judges the axle number information of the vehicle, and can send the accurate information of the vehicle type to an industrial personal computer in a control cabinet, and the axle number of the vehicle is calculated by an industrial personal computer matching algorithm and can be matched with weighing equipment, snapshot equipment and video equipment to form complete data; the data interface supports RS485/RS232, the working temperature is-40 ℃ to +80 ℃, the identification of the tire type is higher than 99%, and the protection grade is IP 68.
Preferably, the snapshot recognition subsystem comprises license plate recognition and snapshot equipment, the license plate recognition and snapshot equipment can clearly snapshot the number of the vehicle passing through the detection area and output a correct recognition result, the license plate recognition accuracy of the license plate recognition and snapshot equipment is larger than or equal to 97%, the recognition time is not more than 200ms, then the collected freight vehicle license plate image is clearly output in a full-width JPG format, the recognition result comprises the recognition time, the license plate color and the like, the number plate recognition snapshot image is higher than 200 ten thousand pixels, the pixels of other snapshot images are not less than 200 ten thousand, when the freight vehicle passes through the detection area, at least 2 motor vehicle characteristic images and one video are snapshot, the snapshot recognition subsystem mainly comprises 1 vehicle front image, 1 panoramic image and one video including a weighing process, and the characteristics of the license plate area, the vehicle head and the cab of the freight vehicle can be clearly distinguished according to the front high-definition image information, The vehicle head color and the like, information such as detection date, detection time, detection place, total vehicle and cargo quality, image evidence obtaining equipment number, anti-counterfeiting and the like is automatically superposed on each image, the bandwidth of a snapshot image information transmission channel is higher than 10Mbps, and the vehicle head color and the like have fault self-detection functions such as communication abnormity, power failure and the like.
Preferably, the weighing subsystem comprises a weighing device, the weighing wagon balance is a whole vehicle type weighing device, the weight load is not less than 120 tons, the weighing precision is more than or equal to OIMLC3, the weighing instrument collects and processes the weight information of the vehicle passing through the weighing platform, the sensor interface of the weighing instrument supports RS485, the signal transmission distance is not less than 25 meters, and the year, month, day, hour, minute, second, auto-leap year and auto-leap month can be displayed, and the working temperature is-10-40 ℃.
Preferably, the voice prompt subsystem comprises a voice broadcasting device, the voice broadcasting device has the function of broadcasting license plate information and weight information of the weighed vehicle in real time, and the voice broadcasting device can effectively prevent dust and rain and meet outdoor use requirements; the barrier gate control subsystem comprises barrier gate equipment, the barrier gate equipment is provided with an opening, closing and stopping control interface, the function of forbidding the overrun vehicles to pass through is realized, and the barrier gate equipment is provided with a ground induction coil for access and has the function of smashing prevention protection.
Preferably, the vehicle contour detection subsystem comprises contour detection equipment, the contour detection equipment judges the length, width and height information of the vehicle, and can send accurate information to an industrial personal computer in a control cabinet, the length, width and height of the vehicle are calculated through an industrial personal computer matching algorithm, the vehicle can be matched with weighing equipment, snapshot equipment and video equipment to form complete data, whether the data exceed the limit is judged, a data interface supports RS485/RS232, the working temperature is-40 ℃ to +80 ℃, and the protection grade is IP 68.
Preferably, the video monitoring subsystem comprises video monitoring equipment, the video monitoring camera has the function of all-weather omnibearing shooting of the detection area, and has the functions of self diagnosis, field of view correction and automatic compensation, the evidence obtaining video image is larger than 200 ten thousand pixels, and is clear and stable, the video monitoring equipment also has the functions of rotation and zooming, horizontal and vertical rotation and zooming of a lens can be carried out according to a control command, the evidence obtaining video image can be transmitted to the control over information management platform in real time, the video monitoring equipment can intercept at least 5 seconds of effective evidence obtaining video, and the storage time is longer than or equal to 90 days.
Preferably, the power supply lightning protection subsystem comprises a power supply lightning protection facility, a stable and reliable power supply circuit is configured in the system, power supply interfaces and control interfaces of the system and related components have effective lightning protection and overvoltage protection measures, the lightning protection resistance of the internal field equipment and the external field equipment is less than or equal to 10, and the protection grounding resistance is less than or equal to 4.
Preferably, the field control subsystem comprises a field control cabinet, the field control cabinet configured in the system can store equipment such as a data acquisition processor (industrial personal computer) and a network switch, the field control cabinet adopts a sealing design, can effectively prevent dust and rain, has a heat dissipation function and meets the outdoor use requirement, the control cabinet adopts a slot type design, the function expansion is convenient, the control cabinet is internally provided with a data safety encryption function, the leakage or the falsification of detected data is effectively avoided, the field control cabinet is centrally installed, yellow and black warning colors are sprayed on the outside of the facility, and the data processing matching equipment in the control cabinet can continuously and stably operate for 7 × 24 hours for a long time.
The invention has the beneficial effects that: the overall basic functions of the detection system are as follows:
(1) the device has the functions of detecting and outputting the types, the number of axles, the total mass, the length, the height, the width, the overrun or not of freight vehicles.
(2) The system has the functions of identifying and outputting the license plate of the freight vehicle.
(3) The video recording and outputting function of the freight vehicle is provided.
(4) The image capturing and outputting function of the freight vehicle is provided.
(5) Possess the detection information voice broadcast function.
(6) Possesses the exit barrier gate control function.
(7) The original data are transmitted to the overload management information system in real time, and the detection data cannot be modified on site.
Drawings
Fig. 1 is a schematic diagram of the constituent modules of the intelligent weighing system.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
As shown in figure 1, the safe and reliable anti-cheating intelligent weighing system is composed of a wheel axle detection subsystem, a vehicle separation subsystem, a snapshot recognition subsystem, a weighing subsystem, a voice prompt subsystem, an edge pressing prevention subsystem, a barrier gate control subsystem, a vehicle contour detection subsystem, an information release subsystem, a video monitoring subsystem, a power supply lightning protection subsystem and a field control subsystem.
Wheel axle equipment of the wheel axle detection subsystem judges the information of the number of the wheel axles of the vehicle, accurate information of the vehicle type can be sent to an industrial personal computer in a control cabinet, the number of the wheel axles of the vehicle is calculated through a matching algorithm of the industrial personal computer, and the wheel axle information can be matched with weighing equipment, snapshot equipment and video equipment to form complete data; the data interface supports RS485/RS232, the working temperature is-40 ℃ to +80 ℃, the identification of the tire type is higher than 99%, and the protection grade is IP 68.
The snapshot recognition subsystem comprises license plate recognition and snapshot equipment, the license plate recognition and snapshot equipment can clearly snapshot the number of the vehicle passing through the detection area and output a correct recognition result, the license plate recognition accuracy of the license plate recognition and snapshot equipment is larger than or equal to 97%, the recognition time is not more than 200ms, then the collected freight vehicle license plate images are clearly output in a full-width JPG format, the recognition result comprises the recognition time, the license plate color and the like, the license plate recognition snapshot image is higher than 200 ten thousand pixels, the pixels of other snapshot images are not less than 200 ten thousand, when the freight vehicle passes through the detection area, at least 2 motor vehicle characteristic images and one video are snapshot, the system mainly comprises 1 front image of the vehicle, 1 panoramic image, one section of weighing process video, the license plate area, the head and cab characteristic, the head color and the like of the freight vehicle can be clearly distinguished according to the front high-definition image information, each image automatically superposes the detection date, The method has the advantages that the method can detect information such as time, detection place, total quality of vehicles and goods, serial number of image evidence obtaining equipment, anti-counterfeiting and the like, the bandwidth of a snapshot image information transmission channel is higher than 10Mbps, and the method has fault self-checking functions such as communication abnormity, power failure and the like.
The weighing subsystem comprises a weighing device, the weighing wagon balance is a whole vehicle type weighing device, the weight load is not less than 120 tons, the weighing precision is more than or equal to OIMLC3, a weighing instrument collects and processes the weight information of the vehicle passing through the weighing platform, an RS485 is supported by a sensor interface of the weighing instrument, the signal transmission distance is not less than 25 meters, the year, month, day, hour, minute, second, automatic leap year and leap month can be displayed, and the working temperature is-10-40 ℃.
The voice prompt subsystem comprises voice broadcasting equipment, the voice broadcasting equipment has the function of broadcasting license plate information and weight information of the weighed vehicle in real time, and the voice broadcasting equipment can effectively prevent dust and rain and meet outdoor use requirements; the barrier gate control subsystem comprises barrier gate equipment, the barrier gate equipment is provided with an opening, closing and stopping control interface, the function of forbidding the overrun vehicles to pass through is realized, and the barrier gate equipment is provided with a ground induction coil for access and has the function of smashing prevention protection.
The vehicle contour detection subsystem comprises contour detection equipment, the contour detection equipment judges the length, width and height information of the vehicle and can send accurate information to an industrial personal computer in a control cabinet, the length, width and height of the vehicle are calculated through an industrial personal computer matching algorithm, the vehicle can be matched with weighing equipment, snapshot equipment and video equipment into complete data, whether the complete data exceed the limit or not is judged, a data interface supports RS485/RS232, the working temperature is-40 ℃ to +80 ℃, and the protection grade is IP 68.
The video monitoring subsystem comprises video monitoring equipment, the video monitoring camera has the function of all-weather omnibearing camera shooting of a detection area, the video monitoring camera has self-diagnosis, view field correction and automatic compensation functions, the evidence obtaining video image is larger than 200 ten thousand pixels, the video monitoring camera is clear and stable, the video monitoring equipment further has rotation and zooming functions, horizontal and vertical rotation and zooming of a lens can be carried out according to a control command, the evidence obtaining video image can be transmitted to the control over information management platform in real time, the video monitoring equipment meets the requirement that at least 5 seconds of effective evidence obtaining video is intercepted, and the storage time is longer than or equal to 90 days.
The power supply lightning protection subsystem comprises a power supply lightning protection facility, a stable and reliable power supply circuit is configured in the system, power supply interfaces and control interfaces of the system and related components have effective lightning protection and overvoltage protection measures, the lightning protection electric resistance of the internal field equipment and the external field equipment is less than or equal to 10, and the protection grounding resistance is less than or equal to 4.
The field control subsystem comprises a field control cabinet, the field control cabinet configured by the system can store equipment such as a data acquisition processor (industrial personal computer) and a network switch, the field control cabinet adopts a sealing design, can effectively prevent dust and rain, has a heat dissipation function, meets the outdoor use requirement, adopts a slot type design, facilitates function expansion, is provided with a data safety encryption function in the control cabinet, effectively prevents detection data from leaking or being tampered, is centrally installed in the field control cabinet, is sprayed with yellow and black warning colors outside facilities, and can keep 7 multiplied by 24 hours for a long time and stably operate for data processing matching equipment in the control cabinet.
The system is matched with a data supervision platform, the system requires to realize real-time access of data of the weighing equipment of each station, and the accessed information comprises information such as license plate numbers, axle numbers, gross weights of vehicles and goods, detection time, photos, passing videos and the like. Weighing data is finally summarized in a city-level overload management information system so that related departments can conveniently supervise the data.
The system has the functions of uniformly managing the vehicle license plate information of the vehicle passing data of all source enterprises, carrying out secondary recognition analysis on the license plate or axle recognition uploaded by the front-end equipment, and carrying out result analysis and remarking on the data of the axle license plate recognition errors.
The system has the functions of determining overload behaviors according to the gross weight of the vehicles and the cargos, the number of the axles and the like and pushing data to the early warning center. The push information can show detailed information including station names, license plate numbers, axle numbers, gross weight of vehicles and goods, weight limit, over-limit gross weight, over-limit rate, detection time, vehicle pictures, data states and the like. The early warning center supports the function of screening the data such as license plate numbers, station names, monitoring time, data states and the like.
The system has the functions of informing monitoring personnel of the overrun information in the form of interface pop-up windows and pushing the early warning information to enterprise responsible persons, traffic bureaus and responsible persons of related administrative units in a short message mode.
The system is provided with information such as the overall situation of each site, the number of the accessed sites, the access data volume, the abnormal data volume, the site state of each site, the data access trend and the like of the access platform.
The system has the functions of accessing video information of each source enterprise, retrieving the video information of each site, previewing the video, snapshotting and storing the video information and the like.
The system has the functions of counting and analyzing according to multiple dimensions such as sites, time and the like, and supports the visual display function of data in multiple forms such as pie charts, lists and the like.
The system has a map information service, can display the position of each site on a map, and can perform functions of on-map early warning, inquiry, video monitoring and the like. The mobile terminal application APP function has the functions of daily inspection, source supervision, information inquiry and the like.
The system can realize the management and maintenance of various basic information such as source enterprise site information, and the basic information comprises: operator authority, site name, site type, site address, affiliated mechanism, construction time, longitude and latitude, responsible person, contact way and the like. And detecting and acquiring vehicle profile data by using an outdoor laser scanning radar. Has the following characteristics:
(1) the volume is small, the weight is light, and the installation and integration are convenient.
(2) And by adopting a multi-echo technology, external interference is better filtered, and particularly, the device is not influenced by rain and fog, and the measurement result is more reliable.
(3) The device has a self-checking function and ensures the normal operation of the device.
(4) And 1-level laser is adopted, so that the laser is safe and harmless to human bodies.
(5) 270 degree scanning accuracy and wider scanning area.
(6) IP68 protection grade guarantees applicable in outdoor bad weather.
(7) The internal integrated heater can be used at the temperature of-40 ℃.
(8) The angular resolution reaches 0.25 degrees/0.5 degrees (adjustable), so that the data is more accurate.
Vehicle weighing information, picture information and video information collected by the system are transmitted to a data center through a network, and the data center is deployed with control over station detection system management software which has the functions of data analysis, statistics, management and the like.
On the basis of completing the installation of the LED information release screen, the illegal over-limit information release and display module checks and manages the information release content in front remotely according to the requirements of management departments by the management software of the source treatment over-limit detection system. The method can be used for executing law enforcement document printing, file storage and fine bill issuing for the over-limit vehicle driver according to the appointed template and label. In order to prevent the overload control station from randomly modifying the overload control monitoring data, the unified management of the overload control information of each overload control station, such as billing, statistics and other comprehensive informatization unified management, is realized according to the requirements of relevant principles.
In order to ensure data security, the system has an operation management function, can realize that an access control strategy supports the configuration of double authorized candidates, and can operate the core equipment only by on-site examination and approval of an administrator.
The overall basic functions of the detection system are as follows:
(1) the device has the functions of detecting and outputting the types, the number of axles, the total mass, the length, the height, the width, the overrun or not of freight vehicles.
(2) The system has the functions of identifying and outputting the license plate of the freight vehicle.
(3) The video recording and outputting function of the freight vehicle is provided.
(4) The image capturing and outputting function of the freight vehicle is provided.
(5) Possess the detection information voice broadcast function.
(6) Possesses the exit barrier gate control function.
(7) The original data are transmitted to the overload management information system in real time, and the detection data cannot be modified on site.
Claims (9)
1. The safe and reliable anti-cheating intelligent weighing system is characterized by comprising a wheel axle detection subsystem, a vehicle separation subsystem, a snapshot recognition subsystem, a weighing subsystem, a voice prompt subsystem, an edge pressing prevention subsystem, a barrier gate control subsystem, a vehicle contour detection subsystem, an information release subsystem, a video monitoring subsystem, a power supply lightning protection subsystem and a field control subsystem.
2. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein axle equipment of the axle detection subsystem judges axle number information of the vehicle, can send accurate vehicle type information to an industrial personal computer in a control cabinet, calculates the axle number of the vehicle through a matching algorithm of the industrial personal computer, and can be matched with weighing equipment, snapshot equipment and video equipment to form complete data; the data interface supports RS485/RS232, the working temperature is-40 ℃ to +80 ℃, the identification of the tire type is higher than 99%, and the protection grade is IP 68.
3. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein the snapshot identification subsystem comprises a license plate recognition and snapshot device, the license plate recognition and snapshot device can clearly snapshot the number of the vehicle passing through the detection area and output a correct identification result, the license plate recognition accuracy of the license plate recognition and snapshot device is greater than or equal to 97%, the recognition time is not greater than 200ms, then the collected freight vehicle license plate image is clearly output in a full-width JPG format, the recognition result comprises the recognition time, the license plate color and the like, the license plate recognition snapshot image is greater than 200 ten thousand pixels, the pixels of other snapshot images are not less than 200 ten thousand, when the freight vehicle passes through the detection area, at least 2 motor vehicle characteristic images and one video are snapshot, the motor vehicle characteristic images mainly comprise 1 vehicle front image, 1 panoramic image and one weighing process video, and the area of the freight vehicle can be clearly distinguished according to the front high-definition image information, The vehicle head and cab characteristics, the vehicle head color and the like, information such as detection date, detection time, detection place, total vehicle and cargo quality, image evidence obtaining equipment number, anti-counterfeiting and the like is automatically superposed on each image, the bandwidth of a snapshot image information transmission channel is higher than 10Mbps, and the vehicle head and cab automatic fault detection device has fault self-detection functions such as communication abnormity, power failure and the like.
4. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein the weighing subsystem comprises a weighing device, the weighing wagon balance is a whole-vehicle type weighing device, the weight load is not less than 120 tons, the weighing precision is not less than OIMLC3, the weighing instrument collects and processes the weight information of the vehicle passing through the weighing platform, the sensor interface of the weighing instrument supports RS485, the signal transmission distance is not less than 25 meters, and the system can display year, month, day, hour, minute, second, auto-leap year and leap month, and the working temperature is-10 ℃ to 40 ℃.
5. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein the voice prompt subsystem comprises a voice broadcasting device, the voice broadcasting device has the function of broadcasting license plate information and weight information of a weighed vehicle in real time, and the voice broadcasting device can effectively prevent dust and rain and meet outdoor use requirements; the barrier gate control subsystem comprises barrier gate equipment, the barrier gate equipment is provided with an opening, closing and stopping control interface, the function of forbidding the overrun vehicles to pass through is realized, and the barrier gate equipment is provided with a ground induction coil for access and has the function of smashing prevention protection.
6. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein the vehicle contour detection subsystem comprises contour detection equipment, the contour detection equipment judges the length, width and height information of the vehicle and can send accurate information to an industrial personal computer in a control cabinet, the length, width and height of the vehicle can be calculated through an industrial personal computer matching algorithm and can be matched with weighing equipment, snapshot equipment and video equipment into complete data, whether the data exceed the limit is judged, a data interface supports RS485/RS232, the working temperature is-40 ℃ to +80 ℃, and the protection grade is IP 68.
7. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein the video monitoring subsystem comprises a video monitoring device, the video monitoring camera has all-weather all-round shooting function for the detection area, and has self-diagnosis, view field correction and automatic compensation functions, the evidence obtaining video image is larger than 200 ten thousand pixels, the video monitoring device is clear and stable, the video monitoring device also has rotation and zooming functions, horizontal and vertical rotation and lens zooming can be carried out according to a control command, the evidence obtaining video image can be transmitted to the control over information management platform in real time, the video monitoring device can intercept at least 5 seconds of effective evidence obtaining video, and the storage time is longer than or equal to 90 days.
8. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein the power supply lightning protection subsystem comprises a power supply lightning protection facility, the system is configured with a stable and reliable power supply line, power supply interfaces and control interfaces of the system and related components have effective lightning protection and overvoltage protection measures, lightning protection electric resistance of internal field and external field equipment is less than or equal to 10, and protection grounding resistance is less than or equal to 4.
9. The safe and reliable anti-cheating intelligent weighing system according to claim 1, wherein the field control subsystem comprises a field control cabinet, the field control cabinet configured by the system can store equipment such as a data acquisition processor (industrial personal computer) and a network switch, the field control cabinet adopts a sealing design, can effectively prevent dust and rain, has a heat dissipation function, meets outdoor use requirements, adopts a slot type design, facilitates function expansion, is internally provided with a data safety encryption function, effectively prevents detection data from being leaked or tampered, is centrally installed, is sprayed with yellow and black warning colors outside the equipment, and can continuously and stably operate for a long time of 7 x 24 hours by using data processing matching equipment in the control cabinet.
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| CN202111590576.4A CN114279549A (en) | 2021-12-23 | 2021-12-23 | Safe and reliable anti-cheating intelligent weighing system |
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