CN117906728B - Vehicle weighing system - Google Patents

Vehicle weighing system Download PDF

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Publication number
CN117906728B
CN117906728B CN202410318632.6A CN202410318632A CN117906728B CN 117906728 B CN117906728 B CN 117906728B CN 202410318632 A CN202410318632 A CN 202410318632A CN 117906728 B CN117906728 B CN 117906728B
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China
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vehicle
detection
detection area
area
coils
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CN202410318632.6A
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Chinese (zh)
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CN117906728A (en
Inventor
朱中焱
徐鹏
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Sichuan Kaiwu Information Technology Co ltd
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Sichuan Kaiwu Information Technology Co ltd
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Priority to CN202410318632.6A priority Critical patent/CN117906728B/en
Publication of CN117906728A publication Critical patent/CN117906728A/en
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Abstract

The application discloses a vehicle weighing system, and relates to the technical field of vehicle fee collection equipment. The system comprises: a detection area provided with a weight detection device; the first detection area is arranged at one end of the detection area, a plurality of detection coils are arranged in the first detection area, the detection coils are arranged along the moving direction of the vehicle, the detection coils are used for detecting whether the vehicle passes through the first detection area and completely enters the detection area, and when the vehicle completely enters the detection area, the weight detection device detects the weight of the vehicle again to obtain vehicle weight data; and the charging device is used for determining corresponding fees according to the weight data of the vehicle. According to the application, the detection coils are respectively arranged at the two ends of the detection area to determine whether the vehicle completely enters the detection area, and the weight detection work is only carried out when the vehicle completely enters the detection area, so that the accuracy of the vehicle weight data and the corresponding charging result is ensured.

Description

Vehicle weighing system
Technical Field
The application relates to the technical field of vehicle fee collection equipment, in particular to a vehicle weighing system.
Background
Large-sized freight vehicles often come in and go out in various industrial and mining enterprises, construction sites, toll stations and other places, and the management of the freight is particularly important because the vehicles all carry the freight. Because the most important and easily available information of the cargoes is weight, weighing the cargoes when the cargoes enter or leave is an important means for acquiring the loading condition of the cargoes, and determining the weight of the cargoes is not only beneficial to managing the cargoes, but also can provide accurate charging basis for some occasions for calculating tolls according to the weight.
Devices for weighing vehicles, commonly referred to as wagon balance, typically require pre-burying in a vehicle passing area, such as a road gate, to weigh the vehicle after it has been driven in. However, if a part of the vehicle is out of the weighing range of the wagon balance, inaccurate weighing data is directly caused, and accuracy of a charging result is affected. Moreover, when the vehicle is queued for weighing, there may be a case where the driver drives a plurality of vehicles into the wagon balance at the same time or there is no vehicle on the wagon balance because the driver does not know the current progress, and in either case, the efficiency of weighing the vehicle is seriously affected.
Disclosure of Invention
The embodiment of the application provides a vehicle weighing system, which is used for solving one of the problems in the prior art.
In one aspect, an embodiment of the present application provides a vehicle weighing system, including:
A detection area provided with a weight detection device;
The first detection area is arranged at one end of the detection area, a plurality of detection coils are arranged in the first detection area, the detection coils are arranged along the moving direction of the vehicle, the detection coils are used for detecting whether the vehicle passes through the first detection area and completely enters the detection area, and when the vehicle completely enters the detection area, the weight detection device detects the weight of the vehicle again to obtain vehicle weight data;
and the charging device is used for determining corresponding fees according to the weight data of the vehicle.
In one possible implementation, the method further includes: and a second detection area provided at the other end of the detection area, the second detection area being for detecting whether the vehicle is present, the weight detection device detecting the weight of the vehicle when the vehicle passes through the first detection area and completely enters the detection area and is not in the second detection area.
In one possible implementation, the method further includes: and the first information display device is arranged near the first detection area and displays first prompt information when the vehicle enters the first detection area.
In one possible implementation, the method further includes: the second information display device is arranged near the second detection area, and displays first prompt information when the vehicle passes through the first detection area and enters the detection area, the first information display device displays second prompt information, the first information display device displays third prompt information after the vehicle completely enters the detection area, and the first information display device displays second prompt information and the second information display device displays fourth prompt information when the vehicle enters the second detection area.
In one possible implementation, the plurality of detection coils are further arranged in a direction perpendicular to the moving direction of the vehicle in the first detection area, the detection coils are further used for detecting whether the vehicle is outside the detection area and the moving area in which the first detection area is located, and the weight detecting device detects the weight of the vehicle when the vehicle completely enters the detection area and is inside the moving area.
In one possible implementation, the first information display device further displays a fifth prompt message when it is determined that the vehicle is outside the moving area.
In one possible implementation manner, the detection area is provided with a barrier at one end close to the second detection area, and when the second information display device displays the fourth prompt information, the barrier is opened.
In one possible implementation, the method further includes: the image acquisition device is arranged near the first detection area and is used for acquiring license plate images of the vehicle; and the license plate recognition device is used for recognizing the license plate number in the license plate image.
In one possible implementation, the image acquisition device re-acquires the license plate image when the detection coil in the first detection area detects the vehicle.
The vehicle weighing system has the following advantages:
1. And detecting coils are respectively arranged at two ends of the detection area to determine whether the vehicle completely enters the detection area, and weight detection work is performed only when the vehicle completely enters the detection area, so that the accuracy of vehicle weight data and corresponding charging results is ensured.
2. The information display device is used for displaying the current weighing process, so that a driver of the current weighing vehicle and a driver waiting for weighing at the rear can know whether the vehicle needs to drive in or drive out of the wagon balance, ordered running of the vehicle is realized, and the weighing efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the running position of a vehicle on a weighing system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a detection coil in a weight detection device according to an embodiment of the present application;
fig. 3 is a schematic diagram of a detection coil in a detection device according to another embodiment of the present application.
Reference numerals illustrate: 100. a detection region; 110. a first detection region; 111. a detection coil; 120. a second detection region; 200. an image acquisition device; 310. a first information display device; 320. a second information display device; 400. a vehicle.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Fig. 1 is a schematic diagram of a vehicle weighing system according to an embodiment of the present application. The embodiment of the application provides a vehicle weighing system, which comprises:
A detection area 100 provided with a weight detection device;
A first detection area 110 disposed at one end of the detection area 100, wherein a plurality of detection coils 111 are disposed in the first detection area 110, the plurality of detection coils 111 are arranged along a moving direction of the vehicle 400, the detection coils 111 are used for detecting whether the vehicle 400 passes through the first detection area 110 and completely enters the detection area 100, and when the vehicle 400 completely enters the detection area 100, the weight detection device detects the weight of the vehicle 400 again to obtain vehicle weight data;
and the charging device is used for determining corresponding fees according to the weight data of the vehicle.
Illustratively, the weight detecting device and the detecting coil 111 may be buried under the ground in advance, so long as the top surfaces of the detecting area 100 and the first detecting area 110 are flush with the ground, and the positions of the weight detecting device and the detecting coil 111 are the detecting area 100 and the first detecting area 110, respectively.
When a plurality of detection coils 111 are employed, the plurality of detection coils 111 may be aligned in a row, and the plurality of detection coils 111 in a row may be uniformly or unevenly disposed in the moving direction of the vehicle 400, as shown in fig. 2. The detection coil 111 may be electrically connected to a processing unit, such as a single chip microcomputer, a microprocessor, etc., and when the detection coil 111 is energized, a specific electrical signal, such as a high-level or low-level voltage signal, may be output, and a plurality of electrical signals may be all connected to the processing unit, and the processing unit may determine the relative positional relationship between the vehicle 400 and each detection coil 111 according to the state of the electrical signals. When the vehicle 400 moves above the detection coil 111, since the metal in the vehicle 400 interacts with the detection coil 111, the output electrical signal of the detection coil 111 changes, for example, the high-level voltage signal changes to the low-level voltage signal, and the change of the electrical signal is detected by the processing unit, and the processing unit determines whether the vehicle 400 is entering the first detection region 110, exiting the first detection region 110, or has completely exited the first detection region 110 according to the detection coil 111 corresponding to the changed electrical signal, and when the vehicle 400 sequentially goes through all the states of entering the first detection region 110, exiting the first detection region 110, and completely exiting the first detection region 110, the vehicle 400 must have completely entered the detection region 100 after completely exiting the first detection region 110 according to the moving direction of the vehicle 400. That is, in the present application, the weight detecting means weighs only after the vehicle 400 completely enters the detection area 100, thereby avoiding the situation that the data is inaccurate due to the fact that only a part of the vehicle 400 enters the detection area 100.
In an embodiment of the present application, the weight detecting means may also be electrically connected to the processing unit, and the processing unit acquires the vehicle weight data generated by the weight detecting means after determining that the vehicle 400 has completely entered the detection area 100, and writes the vehicle weight data into the database.
In one possible embodiment, the method further comprises: the second detection area 120 is provided at the other end of the detection area 100 for detecting whether the vehicle 400 is present, and the weight detection means detects the weight of the vehicle 400 when the vehicle 400 passes through the first detection area 110 and completely enters the detection area 100 and is not in the second detection area 120.
Illustratively, the first detection zone 110 and the second detection zone 120 are located at opposite ends of the detection zone 100, respectively, and the vehicle 400 enters the detection zone 100 from the first detection zone 110 for weighing, and exits from the second detection zone 120 after weighing is completed.
Similar to the first detection zone 110, a detection coil may also be provided in the second detection zone 120, which detection coil may be provided only one for detecting whether the vehicle 400 is driving into the second detection zone 120, without detecting whether the vehicle 400 is entering, exiting or has completely exited. Since the vehicle 400 needs to pass completely through the first detection zone 110, the detection zone 100 and the second detection zone 120, and only one vehicle 400 is allowed to enter the detection zone 100 at a time of weighing, the weighing is only required when the vehicle 400 passes through the first detection zone 110 and enters the detection zone 100 completely while not entering the second detection zone 120, and the processing unit will not acquire vehicle weight data at other times, such as when the vehicle 400 is entering the first detection zone 110, is leaving the first detection zone 110 and has entered the second detection zone 120.
In one possible embodiment, the method further comprises: the first information display device 310 is disposed near the first detection area 110, and the first information display device 310 displays first prompt information when the vehicle 400 enters the first detection area 110.
For example, the first information display device 310 may employ an LED or LCD liquid crystal display screen, which is also electrically connected to the processing unit, and when the vehicle 400 is entering the first detection area 110, the first information display device 310 will display a first prompt message such as "the vehicle is driving into the floor scale" or the like to prompt the driver of the vehicle 400 to continue driving.
In an embodiment of the present application, further comprising: the second information display device 320 is disposed near the second detection area 120, and when the vehicle 400 passes through the first detection area 110 and enters the detection area 100, the second information display device 320 displays the first prompt information, and the first information display device 310 displays the second prompt information, and when the vehicle 400 completely enters the detection area 100, the first information display device 310 displays the second prompt information, and the second information display device 320 displays the third prompt information, and when the vehicle 400 enters the second detection area 120, the first information display device 310 displays the second prompt information, and the second information display device 320 displays the fourth prompt information.
The second information display device 320 may also employ an LED or LCD screen, and both the first information display device 310 and the second information display device 320 are disposed toward the first detection region 110. During the process of the vehicle 400 entering the first detection area 110, the first information display device 310 and the second information display device 320 both display the same first prompt message. When the vehicle 400 leaves the first detection area 110, the first information display device 310 will display a second prompt message such as "waiting for a rear vehicle to stop" or the like to prompt the rear vehicle waiting for weighing to wait temporarily, so as to ensure that only one vehicle 400 is weighed at a time, and at this time, the second information display device 320 is located in front of the vehicle 400, so that the first prompt message can be continuously displayed to prompt the driver to continue driving.
When the vehicle 400 has entirely entered the detection area 100, the first information display device 310 continues to display the second prompt information, and the second information display device 320 will display the third prompt information such as "please stop weighing" or the like to prompt the driver to stop. Since the vehicle may shake during driving, and the weighing data during shaking is inaccurate, the vehicle 400 is required to be completely stopped and then re-weighed. During this time, the processing unit will acquire the vehicle weight data in real time and determine whether the data remains stable, and if the data is still in the process of changing, which means that the vehicle 400 is not stopped, the processing unit will continue to monitor the data until the data is no longer changed for a certain period of time, and the vehicle weight data which is no longer changed can be used as the actual weight of the vehicle 400 and written into the database.
When the weighing is completed, the first information display device 310 will continue to display the second prompt information, and the second information display device 320 will display a fourth prompt information such as "complete weighing, please drive out of the floor scale" or the like to prompt the driver to drive out the vehicle 400.
After the vehicle 400 is completely driven out, the first information display device 310 and the second information display device 320 will redisplay the first prompt information to perform the weighing operation of the next vehicle 400.
In one possible embodiment, the plurality of detection coils 111 are further arranged in the first detection region 110 in a direction perpendicular to the moving direction of the vehicle 400, and the detection coils 111 are further used to detect whether the vehicle 400 is outside the detection region 100 and the moving region in which the first detection region 110 is located, and the weight detecting device detects the weight of the vehicle 400 when the vehicle 400 completely enters the detection region 100 and is inside the moving region.
For example, as shown in fig. 3, the plurality of detection coils 111 may be further arranged in a plurality of rows, the detection coils 111 in the same row may be used to detect whether the vehicle 400 is entering or exiting the first detection region 110, and the detection coils 111 of different rows may detect the relative positions of the vehicle 400 in the width direction and the movement region, and further, the processing unit determines whether the vehicle 400 is also completely in the movement region in the width direction.
Specifically, the plurality of lines of detection coils 111 may be divided into a middle coil, which is a plurality of lines of detection coils 111 near the center in the first detection region 110, and edge coils, which are one or more lines of detection coils 111 near the edges of the first detection region 110, on both sides of the middle coil, according to positions in the width direction. If only the electric signal output from the center coil changes, indicating that the vehicle 400 is in the center of the moving area, and if the electric signal output from any one of the edge coils changes, indicating that the vehicle 400 is not in the center of the moving area, one side of the vehicle 400 is too close to the edge of the first detection area 110 or is already outside the first detection area 110, the first information display device 310 may display fifth prompt information such as "please the vehicle to travel right and left" or the like, to prompt the driver to adjust the traveling direction, and adjust the vehicle 400 to a position near the center of the moving area while traveling.
Further, the detection area 100 is provided with a barrier at an end close to the second detection area 120, and the barrier is opened after the second information display device 320 displays the fourth prompting information. Since some vehicles may have a direct driving-away condition without weighing, in order to avoid this, the present application keeps the barrier closed before the weighing is completed, that is, before the second information display device 320 displays the fourth prompt information, and only opens the barrier and allows the vehicle to leave after the weighing is completed.
In one possible embodiment, the method further comprises: the image acquisition device 200 is arranged near the first detection area 110, and the image acquisition device 200 is used for acquiring license plate images of the vehicle 400; and the license plate recognition device is used for recognizing the license plate number in the license plate image.
For example, the image pickup device 200 may employ a camera disposed toward the first detection region 110, and the image pickup device 200 re-picks up the license plate image when the detection coil 111 in the first detection region 110 detects the vehicle 400. After the license plate number is obtained according to the license plate image recognition, the processing unit binds the license plate number and the vehicle weight data together and stores the license plate number and the vehicle weight data in a database at the same time.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. A vehicle weighing system, comprising:
a detection area (100) provided with a weight detection device;
A first detection area (110) disposed at one end of the detection area (100), wherein a plurality of detection coils (111) are disposed in the first detection area (110), the plurality of detection coils (111) are arranged along the moving direction of the vehicle (400), the detection coils (111) are used for detecting whether the vehicle (400) passes through the first detection area (110) and completely enters the detection area (100), and when the vehicle (400) completely enters the detection area (100), the weight detection device detects the weight of the vehicle (400) again to obtain vehicle weight data;
charging means for determining a corresponding fee based on the vehicle weight data;
A second detection region (120) disposed at the other end of the detection region (100), the second detection region (120) being configured to detect whether a vehicle (400) is present, the weight detection device detecting the weight of the vehicle (400) when the vehicle (400) passes through the first detection region (110) and completely enters the detection region (100) and is not in the second detection region (120);
a first information display device (310) disposed near the first detection area (110), the first information display device (310) displaying first prompt information when a vehicle (400) enters the first detection area (110);
The detection coils (111) are further arranged in the first detection area (110) along a direction perpendicular to the moving direction of the vehicle (400), the detection coils (111) are further used for detecting whether the vehicle (400) is located outside the detection area (100) and the moving area where the first detection area (110) is located, and the weight detection device is used for detecting the weight of the vehicle (400) when the vehicle (400) completely enters the detection area (100) and is located inside the moving area; the plurality of lines of the detection coils (111) are divided into a middle coil and edge coils according to positions in a width direction, the middle coil is a plurality of lines of the detection coils (111) which are positioned near the center in the first detection area (110), the edge coils are one or more lines of the detection coils (111) which are positioned at two sides of the middle coil and are positioned near the edge of the first detection area (110), if only an electric signal output by the middle coil changes, the electric signal output by the edge coils of any line indicates that the vehicle (400) is positioned at the center of the movement area, and if the electric signal output by the edge coils of any line changes, the electric signal output by the edge coils of any line indicates that the vehicle (400) is not positioned at the center of the movement area, and one side of the vehicle (400) is too close to the edge of the first detection area (110) or is positioned outside the first detection area (110).
2. A vehicle weighing system according to claim 1, further comprising:
The second information display device (320) is arranged near the second detection area (120), when the vehicle (400) passes through the first detection area (110) and enters the detection area (100), the second information display device (320) displays the first prompt information, the first information display device (310) displays the second prompt information, after the vehicle (400) completely enters the detection area (100), the first information display device (310) displays the second prompt information, the second information display device (320) displays the third prompt information, and when the vehicle (400) enters the second detection area (120), the first information display device (310) displays the second prompt information, and the second information display device (320) displays the fourth prompt information.
3. A vehicle weighing system according to claim 1, characterized in that said first information display means (310) further displays a fifth reminder information when it is determined that the vehicle (400) is outside said movement area.
4. A vehicle weighing system according to claim 2, characterized in that the detection area (100) is provided with a barrier at an end close to the second detection area (120), which barrier is opened after the fourth prompt message is displayed by the second information display device (320).
5. A vehicle weighing system according to claim 1, further comprising:
The image acquisition device (200) is arranged near the first detection area (110), and the image acquisition device (200) is used for acquiring license plate images of the vehicle (400);
and the license plate recognition device is used for recognizing the license plate number in the license plate image.
6. A vehicle weighing system according to claim 5, characterized in that said image acquisition means (200) re-acquire said license plate image when said detection coil (111) in said first detection zone (110) detects a vehicle (400).
CN202410318632.6A 2024-03-20 Vehicle weighing system Active CN117906728B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410318632.6A CN117906728B (en) 2024-03-20 Vehicle weighing system

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Application Number Priority Date Filing Date Title
CN202410318632.6A CN117906728B (en) 2024-03-20 Vehicle weighing system

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CN117906728A CN117906728A (en) 2024-04-19
CN117906728B true CN117906728B (en) 2024-06-07

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