CN109855711B - Vehicle overload overrun dynamic weighing system - Google Patents
Vehicle overload overrun dynamic weighing system Download PDFInfo
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- CN109855711B CN109855711B CN201910167729.0A CN201910167729A CN109855711B CN 109855711 B CN109855711 B CN 109855711B CN 201910167729 A CN201910167729 A CN 201910167729A CN 109855711 B CN109855711 B CN 109855711B
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Abstract
The invention relates to a vehicle overload and overrun dynamic weighing system, which comprises a dynamic weighing module and an outdoor control cabinet, wherein the dynamic weighing module comprises a first wheel axle sensor, a weighing sensor and a second wheel axle sensor which are arranged on a lane road surface; the weighing sensor is used for detecting the axle load of each wheel axle of the vehicle, and the first wheel axle sensor and the second wheel axle sensor are respectively used for detecting the number of the wheel axles of the vehicle and the time of each wheel axle passing through the first wheel axle sensor and the second wheel axle sensor; by arranging the two wheel shaft sensors, the detection of the number of the wheel shafts and the axle load can be respectively carried out, and the reliability of dynamic detection is improved; the driving speed of the vehicle can be calculated according to the distance between the two wheel axle sensors to carry out overspeed monitoring, the distance between the wheel axles of the vehicle can be accurately detected, the type of the vehicle can be determined according to the number of the wheel axles of the vehicle and the wheel base between the wheel axles, the reliability and the accuracy of dynamic weighing can be improved, and the method can be used for all-weather remote monitoring of the overrun and overload of the road vehicle.
Description
Technical Field
The invention relates to a vehicle overload detection technology, in particular to a dynamic weighing system without parking detection.
Background
The phenomenon of overrun overload generally exists in the process of transporting goods by highway vehicles, and the overrun overload behavior seriously damages highway bridges and culverts, increases the maintenance cost of roads and bridges, and also brings great potential safety hazards to transportation. At present, relevant departments adopt a mode of vehicle overload off-site law enforcement for management, and can monitor all weather by adopting a mode of combining video and weighing through a vehicle overload off-site law enforcement system.
The vehicle dynamic weighing system is a detection system for measuring the weight of a running vehicle, dynamically measures the axle load of each axle of the running vehicle, and calculates the weight of the whole vehicle by the weighing system; compared with parking static weighing, the device has the advantages of high speed, high efficiency, no interference to normal running of the vehicle and the like; however, in the existing dynamic weighing system, the mass of the whole vehicle is calculated only through the axle load of each axle of the vehicle, and the calculation result has large error and is inaccurate, so improvement is urgently needed.
Disclosure of Invention
The invention aims to provide a vehicle overload and overrun dynamic weighing system which is used for realizing all-weather remote monitoring of over-limit and overload of road vehicles.
In order to solve the problems, the invention provides a vehicle overload and overrun dynamic weighing system, which comprises a dynamic weighing module and an outdoor control cabinet, wherein the dynamic weighing module comprises a first wheel axle sensor, a weighing sensor and a second wheel axle sensor which are arranged on a lane road surface along the driving direction of a vehicle; a weighing processing module connected with the weighing sensor, the first wheel axle sensor and the second wheel axle sensor is arranged in the outdoor control cabinet; the weighing sensor is used for detecting the axle load of each axle of the vehicle, and the first axle sensor and the second axle sensor are respectively used for detecting the number of the axles of the vehicle and the time of each axle passing through the first axle sensor and the second axle sensor; the storage module of the weighing processing module stores the number of axles of various types of vehicles, the rated axle weight of each axle of the vehicles and the rated load information of the vehicles; the step of judging whether the vehicle is overloaded by the weighing processing module comprises the following steps:
preliminarily determining the type of the vehicle, the rated axle weight of each axle of the vehicle and the rated load of the vehicle according to the number of the axles of the vehicle detected by the first axle sensor and/or the second axle sensor;
calculating the passing speed of each wheel axle when passing through the first wheel axle sensor and the second wheel axle sensor according to the time interval of each wheel axle passing through the first wheel axle sensor and the second wheel axle sensor and the distance between the first wheel axle sensor and the second wheel axle sensor; adding the passing speeds of all wheel shafts, dividing the sum by the number of the wheel shafts to obtain the average speed of the vehicle passing through the dynamic weighing module, and comparing the average speed of the vehicle passing through the dynamic weighing module with the road speed limit;
calculating the wheel base between the wheel shafts according to the time interval of the wheel shafts passing through the first wheel shaft sensor and the average speed of the vehicle passing through the dynamic weighing module, and determining the type of the vehicle, the rated axle weight of each wheel shaft of the vehicle and the rated load of the vehicle according to the number of the wheel shafts of the vehicle and the wheel base between the wheel shafts;
comparing the axle load of each wheel axle of the vehicle detected by the weighing sensor with the rated axle weight of each wheel axle of the vehicle, and judging that the vehicle is overloaded when the axle load of one wheel axle of the vehicle exceeds the rated axle weight; and when the axle load of each wheel axle of the vehicle is not more than the rated axle weight, judging that the vehicle is not overloaded.
The vehicle overload overrun dynamic weighing system provided by the invention also has the following technical characteristics:
further, the weighing processing module calculates a first wheel base between each wheel axle according to the time interval of each wheel axle passing through the first wheel axle sensor and the average speed of the vehicle passing through the dynamic weighing module; calculating a second axial distance between the wheel shafts according to the time interval of the wheel shafts passing through the second wheel shaft sensor and the average speed of the vehicle passing through the dynamic weighing module; and determining the wheel base between the wheel shafts according to the first wheel base between the wheel shafts and the average value of the second wheel base.
Further, the weighing processing module calculates the actual load of the vehicle according to the number of the vehicle axles, the wheel base between the axles and the axle load of the axles; and comparing the actual load of the vehicle with the rated load, and judging that the vehicle is overloaded if the actual load is greater than the rated load.
The over-limit dynamic monitoring module comprises two over-limit detection rods which are respectively arranged on the left side and the right side of the weighing sensor, and the tops of the two over-limit detection rods are provided with correlation type photoelectric switches; the overrun dynamic monitoring module is connected with an overrun processing module in the outdoor control cabinet, and when a vehicle passes through the first wheel axle sensor, the overrun processing module controls the correlation type photoelectric switch to start working so as to detect whether an obstacle exists between the transmitting end and the receiving end of the correlation type photoelectric switch.
Furthermore, the tops of the two over-limit detection rods are provided with a plurality of groups of correlation type photoelectric switches arranged along the up-down direction.
Furthermore, the top of the two over-limit detection rods is provided with three groups of correlation type photoelectric switches arranged along the up-down direction, the mounting height of the first group of correlation type photoelectric switches is smaller than the height limit of the road, the mounting height of the second group of correlation type photoelectric switches is equal to the height limit of the road, and the mounting height of the third group of correlation type photoelectric switches is larger than the height limit of the road.
Further, the distance between two adjacent groups of the correlation type photoelectric switches is larger than 10 CM.
The invention has the following beneficial effects: by arranging the two wheel shaft sensors, the detection of the number of the wheel shafts and the axle load can be respectively carried out, and the reliability of dynamic detection is improved; the driving speed of the vehicle can be calculated according to the distance between the two wheel axle sensors to carry out overspeed monitoring, the distance between the wheel axles of the vehicle can be accurately detected, the type of the vehicle can be determined according to the number of the wheel axles of the vehicle and the wheel base between the wheel axles, the reliability and the accuracy of dynamic weighing can be improved, and the method can be used for all-weather remote monitoring of the overrun and overload of the road vehicle.
Drawings
FIG. 1 is a schematic view of an installation location of a dynamic weighing module in an embodiment of the present invention;
fig. 2 is a schematic view of an overload determination process of the weighing processing module according to the embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In one embodiment of the vehicle overload and overrun dynamic weighing system of the present invention as shown in fig. 1 to 2, the vehicle overload and overrun dynamic weighing system comprises a dynamic weighing module and an outdoor control cabinet, wherein the dynamic weighing module comprises a first wheel axle sensor 11, a weighing sensor 20 and a second wheel axle sensor 12 which are arranged on a roadway surface along a vehicle driving direction; a weighing processing module connected with the weighing sensor 20, the first wheel axle sensor 11 and the second wheel axle sensor 12 is arranged in the outdoor control cabinet; the weighing sensor 20 is used for detecting the axle load of each axle of the vehicle, and the first axle sensor 11 and the second axle sensor 12 are respectively used for detecting the number of the axles of the vehicle 30 and the time of each axle passing through the first axle sensor 11 and the second axle sensor 12; the storage module of the weighing processing module stores the number of axles of various types of vehicles, the rated axle weight of each axle of the vehicles and the rated load information of the vehicles; the step of judging whether the vehicle is overloaded by the weighing processing module comprises the following steps:
s100: preliminarily determining the type of the vehicle, the rated axle weight of each axle of the vehicle and the rated load of the vehicle according to the number of the axles of the vehicle detected by the first axle sensor and/or the second axle sensor;
s200: calculating the passing speed of each wheel axle when passing through the first wheel axle sensor and the second wheel axle sensor according to the time interval of each wheel axle passing through the first wheel axle sensor and the second wheel axle sensor and the distance between the first wheel axle sensor and the second wheel axle sensor; adding the passing speeds of all wheel shafts, dividing the sum by the number of the wheel shafts to obtain the average speed of the vehicle passing through the dynamic weighing module, and comparing the average speed of the vehicle passing through the dynamic weighing module with the road speed limit;
s300: calculating the wheel base between the wheel shafts according to the time interval of the wheel shafts passing through the first wheel shaft sensor and the average speed of the vehicle passing through the dynamic weighing module, and determining the type of the vehicle, the rated axle weight of each wheel shaft of the vehicle and the rated load of the vehicle according to the number of the wheel shafts of the vehicle and the wheel base between the wheel shafts;
s400: comparing the axle load of each wheel axle of the vehicle detected by the weighing sensor with the rated axle weight of each wheel axle of the vehicle, and judging that the vehicle is overloaded when the axle load of one wheel axle of the vehicle exceeds the rated axle weight; and when the axle load of each wheel axle of the vehicle is not more than the rated axle weight, judging that the vehicle is not overloaded.
In the dynamic weighing system for the overload and overrun of the vehicle in the embodiment, the two wheel axle sensors are arranged, so that the number of the wheel axles and the axle load can be respectively detected, and the reliability of dynamic detection is improved; the driving speed of the vehicle can be calculated according to the distance between the two wheel axle sensors to carry out overspeed monitoring, the distance between the wheel axles of the vehicle can be accurately detected, the type of the vehicle can be determined according to the number of the wheel axles of the vehicle and the wheel base between the wheel axles, the reliability and the accuracy of dynamic weighing can be improved, and the method can be used for all-weather remote monitoring of the overrun and overload of the road vehicle. Preferably, the first wheel axle sensor 11 and the second wheel axle sensor 12 can adopt ground induction coils, and the specific models of the wheel axle sensors and the weighing sensors can be purchased according to needs, and are not described in detail herein.
In the above embodiment, step S300 preferably further includes calculating, by the weighing processing module, a first wheel base between each wheel axle according to a time interval of each wheel axle passing through the first wheel axle sensor and an average speed of the vehicle passing through the dynamic weighing module; calculating a second axial distance between the wheel shafts according to the time interval of the wheel shafts passing through the second wheel shaft sensor and the average speed of the vehicle passing through the dynamic weighing module; determining the wheel base between the wheel shafts according to the first wheel base between the wheel shafts and the average value of the second wheel base; therefore, the wheel base obtained by calculation is reliable and accurate.
In the above embodiment, preferably, the step S400 further includes the weighing processing module calculating the actual load of the vehicle according to the number of axles of the vehicle, the wheelbase between the axles, and the axle load of each axle; comparing the actual load of the vehicle with the rated load, and if the actual load is greater than the rated load, determining that the vehicle is overloaded; specifically, the load distribution of the vehicle can be determined according to the axle load of each wheel axle and the wheel base between each wheel axle, so that the position of the gravity center of the vehicle and the weight of the whole vehicle can be simulated and calculated, and the overload judgment is more accurate and reliable.
In the above embodiment, preferably, the vehicle overload and overrun dynamic weighing system further includes overrun dynamic monitoring modules installed on the left and right sides of the weighing sensor, the overrun dynamic monitoring modules include two overrun detection rods installed on the left and right sides of the weighing sensor respectively, and the tops of the two overrun detection rods are provided with correlation photoelectric switches; the overrun dynamic monitoring module is connected with the overrun processing module in the outdoor control cabinet, and when a vehicle passes through the first wheel axle sensor, the overrun processing module controls the correlation type photoelectric switch to start working so as to detect whether an obstacle exists between the transmitting end and the receiving end of the correlation type photoelectric switch, so that whether the height of the vehicle exceeds the height limit height specified by a road can be detected. Preferably, the overrun processing module controls the correlation photoelectric switch to stop working after the vehicle passes through the second wheel axle sensor.
In the above embodiment, preferably, the top of the two over-limit detection rods is provided with a plurality of sets of correlation photoelectric switches arranged along the up-down direction, and comprehensive judgment can be performed according to the setting heights and detection signals of the plurality of sets of correlation photoelectric switches, so that the height limit detection is more reliable; specifically, when none of the plurality of sets of opposed photoelectric switches is shielded, it can be determined that the vehicle is not supertall, and when the opposed photoelectric switches having the installation height equal to or greater than the road height limit height are shielded, it can be determined that the vehicle is supertall. In an embodiment of the present application, preferably, three sets of correlation photoelectric switches arranged along the up and down direction are disposed at the top of two over-limit detection rods, a first set of the correlation photoelectric switches are installed at a height lower than the height limit of the road, a second set of the correlation photoelectric switches are installed at a height equal to the height limit of the road, and a third set of the correlation photoelectric switches are installed at a height higher than the height limit of the road. Preferably, the distance between two adjacent sets of the correlation photoelectric switches is greater than 10CM, so that mutual interference of the correlation photoelectric switches of each set can be avoided, and a detection result is ensured.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A vehicle overload overrun dynamic weighing system comprises a dynamic weighing module and an outdoor control cabinet, and is characterized in that the dynamic weighing module comprises a first wheel axle sensor, a weighing sensor and a second wheel axle sensor which are arranged on a lane road surface along the vehicle running direction; a weighing processing module connected with the weighing sensor, the first wheel axle sensor and the second wheel axle sensor is arranged in the outdoor control cabinet; the weighing sensor is used for detecting the axle load of each axle of the vehicle, and the first axle sensor and the second axle sensor are respectively used for detecting the number of the axles of the vehicle and the time of each axle passing through the first axle sensor and the second axle sensor; the storage module of the weighing processing module stores the number of axles of various types of vehicles, the rated axle weight of each axle of the vehicles and the rated load information of the vehicles; the step of judging whether the vehicle is overloaded by the weighing processing module comprises the following steps:
preliminarily determining the type of the vehicle, the rated axle weight of each axle of the vehicle and the rated load of the vehicle according to the number of the axles of the vehicle detected by the first axle sensor and/or the second axle sensor;
calculating the passing speed of each wheel axle when passing through the first wheel axle sensor and the second wheel axle sensor according to the time interval of each wheel axle passing through the first wheel axle sensor and the second wheel axle sensor and the distance between the first wheel axle sensor and the second wheel axle sensor; adding the passing speeds of all wheel shafts, dividing the sum by the number of the wheel shafts to obtain the average speed of the vehicle passing through the dynamic weighing module, and comparing the average speed of the vehicle passing through the dynamic weighing module with the road speed limit;
calculating the wheel base between the wheel shafts according to the time interval of the wheel shafts passing through the first wheel shaft sensor and the average speed of the vehicle passing through the dynamic weighing module, and determining the type of the vehicle, the rated axle weight of each wheel shaft of the vehicle and the rated load of the vehicle according to the number of the wheel shafts of the vehicle and the wheel base between the wheel shafts;
comparing the axle load of each wheel axle of the vehicle detected by the weighing sensor with the rated axle weight of each wheel axle of the vehicle, and judging that the vehicle is overloaded when the axle load of one wheel axle of the vehicle exceeds the rated axle weight; and when the axle load of each wheel axle of the vehicle is not more than the rated axle weight, judging that the vehicle is not overloaded.
2. The vehicle overload and overrun dynamic weighing system as claimed in claim 1, wherein: the weighing processing module calculates a first wheel base between each wheel axle according to the time interval of each wheel axle passing through the first wheel axle sensor and the average speed of the vehicle passing through the dynamic weighing module; calculating a second axial distance between the wheel shafts according to the time interval of the wheel shafts passing through the second wheel shaft sensor and the average speed of the vehicle passing through the dynamic weighing module; and determining the wheel base between the wheel shafts according to the first wheel base between the wheel shafts and the average value of the second wheel base.
3. The vehicle overload and overrun dynamic weighing system as claimed in claim 2, wherein: the weighing processing module calculates the actual load of the vehicle according to the number of vehicle axles, the wheelbase between each axle and the axle load of each axle; and comparing the actual load of the vehicle with the rated load, and judging that the vehicle is overloaded if the actual load is greater than the rated load.
4. The vehicle overload and overrun dynamic weighing system as claimed in claim 1, wherein: the over-limit dynamic monitoring module comprises two over-limit detection rods which are respectively arranged on the left side and the right side of the weighing sensor, and the tops of the two over-limit detection rods are provided with opposite photoelectric switches; the overrun dynamic monitoring module is connected with an overrun processing module in the outdoor control cabinet, and when a vehicle passes through the first wheel axle sensor, the overrun processing module controls the correlation type photoelectric switch to start working so as to detect whether an obstacle exists between the transmitting end and the receiving end of the correlation type photoelectric switch.
5. The vehicle overload and overrun dynamic weighing system as claimed in claim 4, wherein: and a plurality of groups of correlation photoelectric switches arranged along the upper and lower directions are arranged at the tops of the two overrun detection rods.
6. The vehicle overload and overrun dynamic weighing system as claimed in claim 5, wherein: two the top of transfinite test rod is equipped with along the upper and lower direction three groups correlation formula photoelectric switch arranges, and first group correlation formula photoelectric switch's mounting height is less than the limit for height of road, and the second group correlation formula photoelectric switch's mounting height equals the limit for height of road, and the third group correlation formula photoelectric switch's mounting height is greater than the limit for height of road.
7. The vehicle overload and overrun dynamic weighing system as claimed in claim 6, wherein: the distance between two adjacent groups of the correlation type photoelectric switches is larger than 10 CM.
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| CN110849454B (en) * | 2019-11-14 | 2021-08-13 | 北京安兔兔科技有限公司 | Vehicle overload detection method and device |
| CN113129602A (en) * | 2019-12-31 | 2021-07-16 | 宇龙计算机通信科技(深圳)有限公司 | Vehicle state monitoring method and device, storage medium and electronic equipment |
| CN111627225B (en) * | 2020-07-30 | 2020-10-30 | 杭州智诚惠通科技有限公司 | Multi-dimensional judgment method for type of axle facing nuclear load monitoring in substation |
| CN112697248B (en) * | 2020-12-30 | 2023-04-14 | 北京万集科技股份有限公司 | Dynamic vehicle overrun determination method and determination system |
| CN113720429A (en) * | 2021-10-13 | 2021-11-30 | 武汉市路安电子科技集团有限公司 | Vehicle separation method based on axle data in dynamic truck scale |
| CN115900904B (en) * | 2022-12-27 | 2023-10-10 | 南京力加传感技术有限公司 | Vehicle overload overrun detection method based on quartz piezoelectric wheel shaft identification |
| CN116152757B (en) * | 2023-04-18 | 2023-07-07 | 深圳亿维锐创科技股份有限公司 | Weighing data analysis method and related device based on multiple points |
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| KR101265149B1 (en) * | 2011-09-22 | 2013-05-24 | 한국건설기술연구원 | Weigh-In-Motion Evaluation System and Evaluation Method |
| CN103279996B (en) * | 2013-05-06 | 2016-05-04 | 华南理工大学 | Information of vehicles in a kind of multilane situation detects and recognition system |
| CN203351036U (en) * | 2013-07-25 | 2013-12-18 | 辽宁金洋集团信息技术有限公司 | Road running vehicle overload monitoring system |
| CN104574969A (en) * | 2015-01-22 | 2015-04-29 | 上海同丰工程咨询有限公司 | Vehicle overload dynamic monitoring system and working method of vehicle overload dynamic monitoring system |
| CN205049180U (en) * | 2015-10-19 | 2016-02-24 | 何晓昀 | Highway detecting system that transfinites |
| KR101764601B1 (en) * | 2015-11-05 | 2017-08-10 | 한국도로공사 | Multi-function pad sensor for the measurement of freight vehicle axle distance and over weight enforcement system using thereof |
| CN207423338U (en) * | 2017-12-01 | 2018-05-29 | 郑州鼎为实业有限公司 | Vehicle dynamic weighing system |
| CN207938185U (en) * | 2018-04-02 | 2018-10-02 | 河南省特利衡器有限公司 | A kind of non-at-scene law enforcement overrun and overload detecting system of science and technology |
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