Unmanned intelligent weighing
Solution
foreword
Electronic scales have been widely used in the bulk material industry all along. But these
Electronic measuring equipment has been stuck in assisting manual measurement, manual reading, and specialized personnel summarizing
At the level of, it seriously lags behind the overall informationization management process of the enterprise.
How to effectively monitor the entire measurement process and prevent fraudulent activities while manually recording measurements
To enhance application and management efficiency to a greater extent has become a matter of great concern for business leaders
Enterprises adopt measures such as frequent replacement of weighing personnel, establishment of weighing supervisors, and installation of electronic monitoring equipment
To monitor the measurement process, but cannot fundamentally eliminate fraudulent behavior.
The unmanned intelligent weighing system is specifically designed for production measurement in factories and mines
The vehicle scale completes the entire process quickly, accurately, safely, stably, and reliably without human intervention
The weighing process achieves full automation of data information collection during the measurement process, while ensuring the accuracy of information
The accuracy and notarization of data collection greatly reduce the labor intensity of personnel and improve work efficiency
Rate, completely plug the loopholes in measurement. Widely used in power plants, coal mines, non-ferrous metal mines
Garbage dumps, various cargo stations, and other units.
eye record
Chapter One Project overview.................................. 4
1.1) Project situation ................................ 4
1.2) Requirement divisionAnalysis
................................ 4
Chapter 2 Intelligent Weighing System Solution ...................... 5
2.1) Overview of the Plan ................................ 5
2.2) System advantages and characteristics ............................ 5
2.3) System architecture and principles .......................... 5
2.4) System workflow ............................ 7
2.5) Main functions of the system ............................ 9
2.6) Management software ............................... 10
2.7) computer configuration ............................... 14
2.8) Main equipment of the system ........................... 15
Chapter III Engineering case diagram............................... 22
Chapter One Project overview
1.1) Project situation
increase1Hardware and software for license plate recognition system, matched with weighing system
1.2) Overview of the Plan
Connect with the factory reservation system to determine which vehicles are allowed to be weighed, and upload the results of license plate recognition and weighing analysis
To the location designated by Party A, convenient for the factory areaERPSystem capture.
Specific communication details for docking, after the first communication via conference call, determine the specific process in detail
The functional requirements will be determined in written form, and efforts will be made to establish groups through written communication in the future,
Because written communication is relatively more rigorous and has communication records than telephone communication.
1.3)Confirm quotation
1)The interface document and textual description of the reservation system provided by Party A
2)Party AERPThe docking interface content required by the system
3) Detailed functional requirements,Functional confirmation of the plan (hardware, software, construction).
Chapter 2 Intelligent Weighing System Solution
2.1) Overview of the Plan
This system consists of an electronic truck scale and a control system. Electronic car scales consist of scales and weighing instruments, The control system consists of a computer, printer, license plate recognition integrated machine, barrier gate, traffic lights, infrared grating, and voice recognition
The system is composed of display and other circuits, and is controlled by a computer to complete license plate recognition, barrier control, infrared detection
Collecting weighing data, capturing vehicle photos, managing traffic lights, printing weighing lists and reports, etc., using on-site methods Camera monitoring, the system can retrieve vehicle photos and weighing data at any time, and the vehicle can pass through the scale in both directions to achieve self inspection
Automatically obtain weighing data, automatically record weighing data, automatically capture images, automatically recognize vehicle information, and automatically Record time information, effectively eliminate manual intervention in weighing, achieve automated weighing of truck scales, and improve the efficiency of truck scales
Weighing efficiency, ensuring the original accuracy of weighing data, and improving the information management of enterprises for the entry and exit of bulk goods in factories
Reason.
2.2) System advantages and characteristics
1) Automatic weighing: achieving large-scale unmanned weighing;
2) Automatic capture: The system automatically captures images and binds them with weighing data in one;
3) License plate recognition: automatic recognition of vehicle license plates, automatic retrieval of vehicle information,Excellent recognition algorithms and intelligence
Dimming technology and all-weather high recognition rate ensure the performance of the system.
4) Automatic recording: The system automatically obtains the original data of the weighing scale and packaging data;
5) Compatible with various scale instruments, directly obtaining data from the scale instruments to ensure accuracy and correctness
6) Efficiency improvement: Increased vehicle weighing time 80%Above, ensure normal logistics;
7) Weighing reminder: real-time voice reminder, automatic broadcasting of vehicle, weight and related information;
8) Preventing cheating: Combined with infrared positioning, effectively place the vehicle edge pressing;
9) Multi level management: Ordinary users cannot modify data and cannot cancel the system's anti cheating function;
10)Flexible statistics: The system can filter and automatically summarize work based on custom criteria, generating multiple types of data automatically
report form;
11)Data docking: Data can be made available for third-party platforms of enterprises to access(ERP、MES、SAP、OAEtc.);
12)Customized development: The system can be customized and developed according to user needs;
2.3) System architecture and principles
The system is C/SArchitecture, through TCP/IPThe network connection mainly provides communication for various entrance and exit control machines,
Communication and data storage between computers,SQLThe server is responsible for data querying, processing, and
The allocation of network resources and the hierarchical review of permissions for each workstation.
2.3.1) System topology diagram
2.3.2) System topology diagram
2.3.3) System wiring diagram
2.4) System workflow
Two weighings: The vehicle enters and the license plate recognition machine recognizes the license plate number;
The system compares and determines whether to release the vehicle for installation in the factory area(unload)Goods, if released, will enter the factory area for loading(unload)
If the goods are not released, they cannot enter the factory area and the vehicle identification information will be retained. If released, the system will display the license plate number
Storage of information such as code, captured images, entry time, weight, etc, The vehicle has completed its work in the factory area and is now entering again
Weighing system, and license plate recognition integrated machine recognizes license plate numbers; The system retrieves entrance information based on the license plate number,
Judging installation(unload)Weight of goods and settlement; Settlement completed, recorded in the database, printed the weight sheet, and opened the barrier gate for release;
The vehicle drove off the weighing device and the barrier gate was closed.
One weighing (empty tare weight): Weighing the vehicle as it enters---license plate recognition---The system determines whether the vehicle has weighing authority
limit---Do you allow this vehicle to be weighed---(No) No entry allowed/---(correct)Please weigh and open the barrier gate
---Weighing on a scale---Infrared grating detects whether the vehicle is fully weighed---After coming to a complete stop, read the weight and take a photo
Film preservation------Broadcast and display weighing information, with the barrier gate open--Complete vehicle weighing in one go--Weighing barrier gate
close
Secondary weighing (heavy vehicle): The secondary weighing vehicle enters---license plate recognition---The system determines whether the vehicle has weighing authority
limit---Do you allow this vehicle to be weighed---(No) No entry allowed/---(correct)Please weigh and open the barrier gate ---Weighing on a scale---Infrared grating detects whether the vehicle is fully weighed---After coming to a complete stop, read the weight and take a photo
a flat/Match weighing information once to calculate net weight, save records and capture photos---Broadcast and display weighing information, barrier gate
open---Secondary weighing completed vehicle weighing---The weighing barrier gate is closed
2.5) Main functions of the system
1) mtm
Tailored according to different customer requirements and actual measurement situations, based on the specific needs of customers
Develop an unmanned intelligent weighing system for truck scales that meets the actual situation and requirements of customers through workflow development.
2) Weighing data acquisition module
The unmanned intelligent weighing system adopts an open interface protocol design to meet the needs of domestic factories and mines
Various types of domestic and foreign truck scales used in ports and other areas.
3) Realize bidirectional weighing and intelligent weighing
This system meets the requirements of bidirectional weighing for automobile scales, and both directions can achieve unmanned intelligent weighing.
4) Anti tare cheating module
The unmanned intelligent weighing system adopts intelligent prevention measures for measuring material supply and finished product sales
The cheating method of tare weight adopts intelligent judgment of vehicle tare weight, effectively preventing the possibility of cheating in the tare weight process.
5) Real time capture and anti cheating module for images of the front, carriage, and rear of the car
The system integrates images with weighing software, and the images are embedded in the software interface, which can be used to weigh the gross weight (skin) of the vehicle Capture real-time images of the front, rear, and carriage of the weighing vehicle during weighing, and use the software interface for secondary weighing
Display the real-time image of the previous weighing in.
6) Automatic voice duplicate reporting module
The unmanned intelligent weighing system has a unique voice weight reporting function, which is transmitted through the voice system after the measurement is completed Announce the weight uniformly. After the measurement is completed, the system will automatically voice a duplicate message:“The weight is 8.66 ton”And then Post broadcast:“After weighing the gross weight (or tare weight), please leave the weighing platform. Goodbye.”
7) Intelligent transmission control system——Automatic barrier gate module
Implement standardized management of weighing for overloaded vehicles and control of entry and exit for non overloaded vehicles.
Two car scales and their respective entrances and exits are equipped with car blocking devices: automatic barrier gates, car blocking railings, and anti smashing coils
Vehicle detectors, intelligent switching control units, and intelligent controllers.
The intelligent switching control unit can implement microcomputer control, manual control, and remote control for barrier gates and railings
Control mode.
After the legal weighing vehicle is weighed according to the process, the barrier will automatically rise and release.
The intelligent car blocking system has anti smashing function. When the vehicle is not leaving the railing, the system passes through the ground sensing line The circle and vehicle detectors automatically detect vehicles under the railing, and the system will automatically send a signal to open the railing,
Keep the railing open until the vehicle leaves and the railing automatically falls.
8) Infrared anti cheating module
If the vehicle is in a cheating state: not fully loaded, wheels rolling on both sides of the weight, other counterweights, etc
At that time, the system refused to weigh and issued a voice warning. As follows:
Schematic diagram of infrared detection
9) Multi type and personalized reports
This weighing software can perform data queries based on different conditions. For example, searching by train number, searching by shift,
Query by shipping unit, query by time, etc., and can perform conditional combination queries. The system can print daily reports Various reports such as monthly reports(Multiple report formats), can also be printed according to the query results, can be customized according to customer requirements Create personalized reports
10) Multiple connected car scales for weighing
This system can achieve networked weighing of multiple truck scales, and the same vehicle can be weighed separately on different scales
Real time updates of weighing data and gross weight have effectively improved the utilization rate of the truck scale. This system can be customized as needed
Automatically generate measurement data EXCEL The report is automatically transmitted to the designated department's computer through the network.
2.6) Management software
The intelligent weighing management software can realize data sharing among various weighing rooms after networking, enabling one weighing machine to pass through
Gross weight, one pound over tare weight, can greatly improve work efficiency. You can also provide various weighing rooms and leadership offices Connect to the internet, and once connected, leaders can synchronize and monitor data and images from various weighing rooms in the office
Control, query and summarize, and issue plans, among other management tasks, to ensure that leaders are always at ease and worry free. It can also achieve calculation
Ordering and financial settlement functions.
2.6.1) metering function
The measurement process of the intelligent weighing management software can be carried out according to the incoming, outgoing, and internal transfer and transportation of materials. Intelligent weighing management software can pre store commonly used information during the measurement process, such as vehicle number, cargo name, and receipt
Unit, shipping unit, specifications Grade, model, etc. can be entered by simply clicking the mouse, reducing manual labor
The hassle of inputting Chinese characters can improve operation speed and reduce labor intensity.
2.6.2) Weight cannot be manually entered
The gross weight and tare weight of the intelligent weighing management software automatically receive weight information transmitted from the weighing instrument,
Cannot input manually, cannot paste or copy, to avoid errors in manual input.
2.6.3) Can set detection starting point
The intelligent weighing management software filters out any weight less than the detection starting point as invalid information
The computer does not collect data, thus ensuring the accuracy of the data.
2.6.4) Delay stabilization function
The intelligent weighing management software can set a stable time, and data will not be collected when the weight is unstable to prevent weighing
Weight changes caused by engine vibrations in automobiles.
2.6.5) Universal query and statistical function
The intelligent weighing management software can query the weighing records of this weighing station and shift, as well as the weighing records of all weighing stations on the same day
Record. Statistics can be summarized based on various conditions or combinations of conditions, such as receiving unit, shipping unit, and vehicle Number, name of goods, specifications, grade, station number, etc. You can perform queries, statistics, and summaries by time period,Convenient when The team members conduct team statistics.
2.6.6) Export of information with special requirements
Intelligent weighing management software can export information as spreadsheets, databases, text files, etc. according to enterprise requirements
Web page and other formats.
2.6.7) Fuzzy search function
In the input box of the intelligent weighing management software interface, enter the first two or three words of the receiving or shipping name
The first letter of the keyword can be used to retrieve relevant information, reducing the hassle of searching through a large amount of data and greatly improving the accuracy
Improved work efficiency.
2.6.8) Data backup and recovery function
The intelligent weighing management software can back up weighing data to a designated location and can also backup the data
Perform recovery to ensure data security
2.6.9) Weighing Officer Setting
The intelligent weighing management software can add, delete weighing personnel, and set weighing personnel login passwords; And management
Personnel can set the permissions of the weighbridge operator, such as weighing permissions, parameter setting permissions, and query and statistics permissions
Limit, etc
2.6.10) Parameter settings
The intelligent weighing management software can set the type and baud rate of electronic weighing instruments.
Symmetrical station numbers can be set. Measurement units can be set, such as tons and kilograms.
You can set the print title and user name.
2.6.11) Flexible printing formats
The intelligent weighing management software offers over a dozen printing formats to choose from and can achieve multi link printing.Can be real Fill in printing can greatly improve printing speed. Users can also customize the printing format according to their needs.
2.6.12) Power on/off recording function
During normal working hours, the intelligent weighing management software automatically records the on/off time and the on duty operator.
2.6.13) Supplementary printing function
The intelligent weighing management software can automatically determine whether the weighing documents have been printed, and those that have been printed cannot be reprinted,If it is necessary to make up for it, it can be done through the server Supplementary printing can only be made after authorization from the server, and there is a supplementary printing mark on the ticket, which must be signed by the supervisor It will only take effect later,To prevent cheating by repeatedly printing weighing sheets.
2.6.14) Interface with weighing instruments
The intelligent weighing management software can be connected to car scales, track scales, etc. The software has multiple interface programs that can be integrated with
Almost all instruments in China are connected.
2.6.15) Networking function
Intelligent weighing management software can achieve LAN networking, wireless networking, and provide VPN Solution, Realize internet connectivity. After the networking of various weighing rooms, data sharing can be achieved, allowing one weighing machine to pass the gross weight and one weighing machine to pass the weight Overloading can greatly improve work efficiency. It is also possible to connect various weighing rooms and leadership offices to the internet.
2.7) computer configuration
vServer computer configuration
1)CPU:Intel I5
2)Memory:8Gor above
3)Hard drive:1Tor above
vWorkstation Configuration
1)CPU:Intel I5or above
2)Memory:4Gor above
3)Hard drive:500Gor above
voperating system
1)Operating System: Windows7/win10(32/64Position)
2)Operating environment:Microsoft .NET Framework 3.5Components (downloaded from Microsoft official website);
3databaseMicrosoft SQL Server 2000/2005/2008R2
2.8(Download from Microsoft official website). )
Main equipment of the system2.8.1 )
High definition license plate recognition all-in-one machine Product images
Specification parameters • High definition license plate recognition dedicated camera • Double line four charactersLED
display •LED
High brightness fill light •Vehicle capture rate:≥99.8%At night
≥ 99.6%Identification angle:45≤
° •License plate recognition accuracy:≥99.9%
; Vehicle speedRange:
0~30Km/h80License plate width:400 ∽ pixel
; Imagesensor: 1/3 ’
CMOS •Communication interface method: 10/100M
Ethernet
TCP/IP •Effective pixels : 1080P
Excellent shooting styleenclose: 3~10
rice •
Voice prompts and customizable content •
Sound and light indication functions for various states •
Overvoltage, overcurrent, overload, resistance to external interference, etc
Protection function •Working voltage:
DC 12V •-40Working temperature:℃~+65
℃ • Relative humidity: * high
95%2.8.2 )
Automatic barrier gate Product images
Specification parameters •6*Length of large gate rod:
rice •0.9Landing time:3.5—
second •Power: <
120W •Voltage:AC220V~240V±
15% •Frequency:
50~60Hz •356External dimensions:295××996mm
*(Long)*wide
High) •Net weight:
55KG •
Motor: AC torque reduction motor •MTBF500(Mean Time Between Failures):
ten thousand
order •
Anti collision function: the main function of the railing arm and the railing machine
There is a rotating device installed between the shafts (some railings)
Arm does not have this function), when the railing arm is impacted
It can be turned open. •
Anti smashing function: During the process of dropping the railing arm
15The angle between the railing arm and the horizontal plane is greater than°
If there are vehicles entering within the range
The coil induction area will automatically lift the railing arm,
Prevent smashing cars. •
Power off lifting function: When there is a power outage, the railing arm
It will automatically lift (this function can be customized according to your needs)Usage requirements, retention or cancellation).
prevent
Due to an unexpected power outage, the boom arm cannot move
Causing damage to passing vehicles in the lane.2.8.3 )
High definition license plate recognition camera Product images
Specification parameters 300•
Ten thousand pixel ultra high definition imaging •License plate recognition rate:
≥99.8% •Capture rate:≥99.9% •Adaptive speed:0-40kilometer/
hour •
License plate recognition: ordinary blue license plate, new energy
Yellow card, single and double layered yellow card, new armed police, single Double decker police cars, single and double decker military vehicles, new embassy
Coach car, emergency car, Hong Kong and Macau license plate, etc •
License plate recognition features: number, color, class
Type and width •
Logo recognition: Supports mainstream logo recognition •
Support coil detection and video detection; •
Support black and white list offline function, support disconnection
Automatic network startup; • supportRS485
License plate output; •Video compression standard:H.264、H.265 •Video resolution:640*360、704*576
、1280*720、1920*1080、
2304*1296 •
Compressed output bitrate:
512kbps-5000kbps •80License plate recognition width:400~
Pixel; • 4support The grainLED
White light supplement; •
Support brake start output, brake drop output, and vehicle inspection
Device input; •TF1Card slot: roadTF
Card slot, * great support128G
capacity •1 Network interface: road 10/100M
adaptiveRJ45
opening •Protection level:IP65
. •power waste:≤
5W •-30Working temperature: ℃-
+70 ℃•
Power supply:DC12V/2A 2.8.4
) Panoramic capture and monitoring camera
Product images Specification parameters•
Power supply: DC12V/2A-30• Working temperature:℃
- +70200℃
• Pixel:ten thousand
• Image size: 1920*1080
• Infrared distance: * far 50M • pass feel implement class
type
: 1/2prongressiveScan CMOS
• *Large aperture:F2.0•Video compression standard:
H.264 、H.265
•Protection level: IP66 2.8.5
) 79G
Millimeter wave radar ground sensing Product imagesSpecification parameters
• Working frequency:77-81GHz• Antenna transmission power:10dBm
• Antenna gain:2016.05dBi
• Vertical beam:120°
• Horizontal beam:° • Detection distance range:0.5m
to
7m (Can)Flexible Design Adjustment
• Response time:
75ms
•
Signal output: Ground sensing and public (signal on) Close quantity)
• •check the accuracy
• Vehicle detection probability:>99.99%
•
Pedestrian detection probability: >99%
• • Physical parameters • chi cun big small : 110mm
×
85mm ×25mm
• Weight:188g•
Waterproof grade:
IP67 •
• •Work energy consumption• Voltage:DC 9 V
-24V (Standard)12V
)
• power waste:
1W •
• environmental condition-40• Military quality +85•
Temperature range:
℃ --
℃ • • reliability • flat equal not have eventblock time
24000between
(MTBF)big a surname
hour 2.8.6
) Digital frequency conversion infrared grating10 Product images30 Specification parameters60 •
100Warning distance:
Rice Rice 2Rice
Rice optional
• Detection method: Adjacent200Simultaneous beam interruption detectionKnowledge formula
• Induction speed:~500msec•
Voltage: DC9V 360~24V 15W•Optical axis adjustment angle: infinite
° •
Number of beams: 2~12 Bundle optional
• Light source: Infrared digital pulse type
• Alarm output: Relay contact outputNO.NCContact capacity-25AC/DC30V0.5AMAX55•
Using temperature/Humidity range:℃
~ ℃
5%~ 95%RH
(Relative humidity) •
Material: Aluminum alloy shell 2.8.7)
traffic light Product images-40 Specification parameters• Rated working voltage:
220V AC50/60H •Working temperature: ℃
~50 ℃•
Rated power: Red light11W/ green light
11W •
Center light intensity: Red and green light> 400CD 2.8.8 )Wheel axle recognition device
Product imagesSpecification parameters
• 12
power input
9-12V DC, current < 500mA The power indicator light is flashing • Module Input • transport go out one
twobirth
letter breath ,branch
holdRS232/RS485
optional • Real time indication on the weighing platform of the module( Upstream platform
bright)
• Module communication fault indication
( interval
500ms flicker 2
)
• Single tire, twin tire indication 2
•
Module address modification •
zero trace Gears •Scope of the upper platform
Gears • Module zero tracking status query (working module) 3 Press and hold the modify button to view the corresponding information
•
LED Lamp status: On indicates zero point tracking) •k)
Power on the module again
Initial zero within seconds drop•
l)LED Single tire and twin tire indicator light status protection
hold •
m) Single twin input status output-202.8.9)Weighing information display screen
Product images Specification parameters•
Working temperature: ℃~50
℃ •*High power:
50W •Display power supply voltage:
AC 220V
•
Display communication method:RS485 •
Display screen size: 640mm*160mm
• Display screen control card can be customized according to customer needsProduction and development
2.8.10 )-10dvrProduct imagesSpecification parameters
• Power Supply:DC12V• Working temperature:℃~55℃ •Working humidity:10%-90%
• Power consumption (excluding hard drive):1 ≤12W •
Weight (excluding hard drive):≤
1KG • Audio output: One, RCA Interface, corresponding to VGA
interface
•
record likeness4dividedistinguishrate
: 5MP/4MP/1080P/UXGA/720P/VGA/4C2IF/DCIF/2CIF/CIF/QCIF •Synchronized playback:
road /8
road•
Type: individual1SATA interface
•*Large capacity: Each interface supports a capacity of * large
6TB
Hard disk •Network interface:2individual
RJ45 10/100M