Unattended weighing system
The unmanned weighing system solves the problem of long vehicle queues in traditional weighing methods through automated equipment and processes, achieving fast passage and efficient weighing, and reducing labor costs.
Patent Information
- Application Number
- CN202422732157.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-11
AI Technical Summary
The traditional weighing method relies on manual operation, resulting in long vehicle queues and low weighing efficiency.
An unmanned weighing system is adopted, which uses automated equipment such as ground sensor coils, license plate recognition heads, barriers, positioning structures and PLC controllers to realize automatic identification, positioning and weighing of vehicles, reducing manual intervention.
Through automated equipment and processes, vehicle waiting time can be shortened, weighing efficiency can be improved, and labor costs can be reduced.
Smart Images
Figure CN223449318U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the weighing and weighing-in technology field, concretely relates to an unattended weighing-in system. BACKGROUND
[0002] In many fields such as logistics, warehousing, industrial and mining enterprises, the weighing and weighing-in of goods is a crucial link. Accurately obtaining the weight information of goods plays a key role in trade settlement, inventory management, transportation and loading, etc. With the continuous development of economy, the circulation of goods is increasing, from the early small range and small batch weighing of goods to the current large-scale logistics center with thousands of goods entering and exiting the weighing area every day.
[0003] The traditional weighing-in method mainly relies on the weighing sensor connected to the ground weight by the weighing operator. When the vehicle loaded with goods enters the weighing room area, the weighing operator commands the vehicle to stop at the appropriate position of the ground weight, the weighing operator reads the weight data through the weighing instrument and manually records it in the paper weighing-in sheet or electronic form.
[0004] When the vehicle is manually commanded to stop on the ground weight, the manual vehicle needs to wait for the weighing operator to command the parking, record the data, check the certificate and a series of operations. In the case of heavy vehicle flow, this process will make the vehicle queue for a long time, resulting in low weighing-in efficiency. UTILITY MODEL CONTENT
[0005] The utility model aims at providing an unattended weighing-in system to solve the problem that the vehicle queue time is too long when the vehicle is manually commanded to stop on the ground weight, resulting in low weighing-in efficiency.
[0006] To achieve the above-mentioned purpose, the basic scheme provided by the utility model is as follows: an unattended weighing-in system, comprising a ground weight body, a cabinet, an incoming vehicle license plate recognition head, an outgoing vehicle license plate recognition head, a sound column and a gate, the cabinet is provided with a control system, the output end of the control system is electrically connected with a PLC controller, the output end of the ground weight body is electrically connected with the input end of the control system, the cabinet is provided with an LED display screen, the PLC controller is electrically connected with the LED display screen, the ground surface of the inlet end and the outlet end of the ground weight body is provided with a ground inductive coil, the ground inductive coil is electrically connected with the gate, the outgoing vehicle license plate recognition head, the incoming vehicle license plate recognition head, the gate and the sound column are electrically connected with the control system respectively, the four corners of the ground weight body are provided with positioning structures, the cabinet is provided with an IC card reader, and the IC card reader is electrically connected with the control system.
[0007] The utility model discloses a working principle lies in: a kind of unattended weighing system, when vehicle needs to weigh, first, the vehicle in front weighs completion, vehicle drives forward, and the license plate recognition head of vehicle license number is shot, and electric signal is delivered to control system, and control system is handled, after handling is completed, instruction signal is delivered to PLC controller, and PLC controller delivers electric signal to barrier gate at the exit end of platform scale body, and barrier gate opens, and the vehicle in front drives away platform scale body, and second vehicle drives to platform scale, first, it will pass the ground inductance coil that platform scale import end ground is set, and ground inductance coil senses the arrival of vehicle, and signal is transmitted to control system, and control system delivers electric signal to PLC controller, and then PLC controller controls and opens barrier gate, at this moment, the license plate recognition head of vehicle entrance starts work, and it can identify the license plate of vehicle, and the license plate information identified is transmitted to PLC controller, and PLC controller again delivers license plate information to control system and records, and vehicle continues to drive, and the positioning structure at the four corners of platform scale body detects the reflection of infrared ray, to determine whether vehicle is accurately parked on the proper position of platform scale, if vehicle position is not accurate, sound post can emit prompt sound, and guide driver to adjust vehicle position, after vehicle is parked in the correct position of platform scale body, driver will brush IC card on IC card reader on cabinet, and automatically read IC card information, and IC card reader transmits the IC card information read to control system, and control system is stored according to preset program, and platform scale body starts to weigh vehicle, and platform scale body transmits the weight data collected to control system, and after control system receives the weight data transmitted by platform scale body, data is handled, then, control system transmits the data handled and the license plate information recorded previously to PLC controller, and PLC controller again sends these information to LED display screen on cabinet and displays, for driver to check, after vehicle weighs, vehicle drives forward, and the license plate recognition head of vehicle license number is shot, and electric signal is delivered to control system, and control system is handled, after handling is completed, instruction signal is delivered to PLC controller, and PLC controller delivers electric signal to barrier gate at the exit end of platform scale body, and barrier gate opens, and the vehicle in front drives away platform scale body, and third vehicle drives into platform scale body, to circulate like this.
[0008] The utility model discloses the beneficial effect lies in: unattended weighing system reduces the time that a series of tedious operations such as manual command parking, record data, check certificate are spent through automatic equipment and process, when vehicle enters and leaves platform scale, ground inductance coil, license plate recognition head, barrier gate and so on can respond quickly, realize the quick traffic of vehicle, greatly shorten the vehicle queuing time, improve weighing efficiency, and unattended weighing system reduces the demand to weigher, reduces manual cost.
[0009] Scheme two, this is the preferred basis of the scheme, positioning structure is infrared positioning column; can emit infrared, accurately determine whether the vehicle is parked in the weighbridge on the appropriate position.
[0010] Scheme three, this is the preferred basis of the scheme, the ground near the weighbridge body is provided with a red and green indicator light, the red and green indicator light is electrically connected with the PLC controller; the red and green indicator light is electrically connected with the PLC controller, can display in real time according to the different working state of the weighing system, when a vehicle is on the weighbridge for weighing operation, the red light is on, which directly tells the subsequent vehicle to wait, avoiding the vehicle blindly entering the weighbridge area causing confusion and congestion, and when the vehicle completes the weighing and drives away from the weighbridge, the green light is on, prompting the next vehicle to enter, playing an orderly guiding role of vehicle passing.
[0011] Scheme four, this is the preferred basis of the scheme, the four corners of the weighbridge body are provided with support frames, the support frames are provided with rain shields, and the rain shields are located directly above the weighbridge body; the support frames are arranged at the four corners of the weighbridge body and the rain shields are arranged, so that rain can be prevented from directly splashing on the weighbridge body and the surrounding electrical elements, and damage of the rain to the related electrical components can be avoided.
[0012] Scheme five, this is the preferred basis of the scheme, the weighbridge body is electrically connected with an anti-cheating instrument, and the anti-cheating instrument is electrically connected with the PLC controller; the weighbridge body is connected with the anti-cheating instrument, so that abnormal conditions in the weighing process can be monitored in real time, and the normal progress of the weighing process is ensured.
[0013] Scheme six, this is the preferred basis of the scheme, one end near the weighbridge body is provided with a camera; the camera is arranged at the end near the weighbridge body, so that the weighing vehicle can be monitored in all directions. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of an unattended weighing system. DETAILED DESCRIPTION
[0015] The utility model will be further explained in detail by specific implementation:
[0016] The reference signs in the drawings of the specification include: 1. The weighbridge body, 2. The cabinet, 3. The vehicle plate recognition head, 4. The vehicle plate recognition head, 5. The sound column, 6. The barrier gate, 7. The positioning structure, 8. The red and green indicator light, 9. The support frame, 10. The rain shield, 11. The camera.
[0017] As Figure 1The unmanned weighing system includes a weighbridge body 1, a cabinet 2, a vehicle entering license plate recognition head 3, a vehicle exiting license plate recognition head 4, a sound column 5 and a gate 6. The cabinet 2 is internally provided with a control system, the output end of the control system is electrically connected with a PLC controller, the output end of the weighbridge body 1 is electrically connected with the input end of the control system, the weighbridge body 1 is electrically connected with an anti-cheating instrument, the anti-cheating instrument is electrically connected with the PLC controller, the cabinet 2 is provided with an LED display screen, the PLC controller is electrically connected with the LED display screen, the ground at the inlet end and the outlet end of the weighbridge body 1 is provided with a ground inductor, the ground inductor is electrically connected with the gate 6, the vehicle exiting license plate recognition head 4, the gate 6, the vehicle entering license plate recognition head 3 and the sound column 5 are electrically connected with the control system, the four corners of the weighbridge body 1 are all provided with a positioning structure 7, the positioning structure 7 is an infrared positioning column, the cabinet 2 is provided with an IC card reader, the IC card reader is electrically connected with the control system, a red-green indicating lamp 8 and a camera 11 are installed on the ground close to the weighbridge body 1, the red-green indicating lamp 8 is electrically connected with the PLC controller, the four corners of the weighbridge body 1 are all provided with a support frame 9, the support frame 9 is provided with a rain shield 10, and the rain shield 10 is located directly above the weighbridge body 1.
[0018] The implementation of the embodiment is: when the vehicle needs to be weighed, first, the front vehicle is weighed, the vehicle drives forward, the out vehicle license plate recognition head 4 shoots the license plate number of the vehicle, and the electric signal is transmitted to the control system, the control system is processed, after the processing is completed, the instruction signal is transmitted to the PLC controller, the PLC controller transmits the electric signal to the gate 6 at the outlet end of the ground scale body 1, the gate 6 is opened, the front vehicle drives away from the ground scale body 1, then the PLC controller controls the red and green indicator light 8 to green, indicating the driver to drive, when the vehicle drives to the ground scale, first, the ground inductive coil arranged at the ground scale inlet end is passed, the inductive coil senses the arrival of the vehicle, and transmits the signal to the control system, the control system transmits the electric signal to the PLC controller, then the PLC controller controls the gate 6 to be opened, at the same time, the red light in the red and green indicator light 8 near the ground of the ground scale body 1 is lit, at this time, the in vehicle license plate recognition head 3 starts to work, which can recognize the license plate of the vehicle and transmit the recognized license plate information to the PLC controller, the PLC controller transmits the license plate information to the control system for recording, the vehicle continues to drive, the positioning structure 7 at the four corners of the ground scale body 1 detects the reflection of the infrared ray to determine whether the vehicle is accurately parked at the appropriate position of the ground scale, if the vehicle position is not accurate, the sound column 5 will issue a prompt sound to guide the driver to adjust the vehicle position, after the vehicle is parked stably at the correct position of the ground scale body 1, the driver swipes the IC card on the IC card reader of the cabinet 2 to automatically read the IC card information, the IC card reader transmits the read IC card information to the control system, the control system stores and records according to the preset program, the ground scale body 1 starts to weigh the vehicle, the ground scale body 1 transmits the collected weight data to the control system, since the ground scale body 1 is also connected with the anti-cheating instrument, which can detect whether there is cheating behavior in the weighing process to ensure the accuracy and reliability of the weighing data, if the abnormal situation is detected, the system may issue an alarm through the sound column 5, after the control system receives the weight data transmitted by the ground scale body 1, the data is processed, then the control system transmits the processed data and the previously recorded license plate information to the PLC controller, the PLC controller sends the information to the LED display screen on the cabinet 2 for display, for the driver to check, after the vehicle completes the weighing, the vehicle drives forward, the out vehicle license plate recognition head 4 shoots the license plate number of the vehicle, and the electric signal is transmitted to the control system, the control system is processed, after the processing is completed, the instruction signal is transmitted to the PLC controller, the PLC controller transmits the electric signal to the gate 6 at the outlet end of the ground scale body 1, the gate 6 is opened, the front vehicle drives away from the ground scale body 1, then the PLC controller controls the red and green indicator light 8 to green, indicating the driver to drive, and the cycle is repeated.
[0019] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much here. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.
Claims
1. An unattended weighing system, characterized in that: The invention comprises a floor scale body (1), a cabinet (2), an entry license plate recognition head (3), an exit license plate recognition head (4), a sound column (5) and a gate (6); a control system is arranged in the cabinet (2); an output end of the control system is electrically connected to a PLC controller; the output end of the floor scale body (1) is electrically connected to an input end of the control system; an LED display screen is arranged on the cabinet (2); the PLC controller is electrically connected to the LED display screen; ground induction coils are arranged on the ground at the inlet and outlet ends of the floor scale body (1); the ground induction coils are electrically connected to the gate (6); the exit license plate recognition head (4), the entry license plate recognition head (3), the gate (6) and the sound column (5) are electrically connected to the control system respectively; positioning structures (7) are arranged at the four corners of the floor scale body (1); an IC card reader is arranged on the cabinet (2); and the IC card reader is electrically connected to the control system.
2. The unattended weighing system according to claim 1, characterized in that: The positioning structure (7) is an infrared positioning column.
3. The unattended weighing system according to claim 1, characterized in that: A red and green indicator light (8) is installed on the ground near the floor scale body (1), and the red and green indicator light (8) is electrically connected to the PLC controller.
4. The unattended weighing system according to claim 1, characterized in that: Support frames (9) are provided at the four corners of the floor scale body (1), and rain shielding plates (10) are provided on the support frames (9). The rain shielding plates (10) are located directly above the floor scale body (1).
5. The unattended weighing system according to claim 1, characterized in that: The weighing scale body (1) is electrically connected to an anti-cheating device, and the anti-cheating device is electrically connected to a PLC controller.
6. The unattended weighing system according to claim 1, characterized in that: A camera (11) is provided at one end close to the floor scale body (1).