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- Inquiry
The loading control system is the core of the liquid hazardous petrochemicals storage and transportation management part, and achieves the production process management of the incoming and outgoing shipments based on the automated loading control operation. The automated loading system has not only been limited to the quantitative loading itself, but has been extended to the process management of incoming and outgoing shipments.
1.System structure diagram
2.Automatic loading control flow chart
3.Subsystem description and selection
The loading control system contains the following subsystems
（1）Calling & queuing system
In order to make the loading operation more orderly and allow the driver to understand the waiting situation in time, it can effectively avoid the missed loading time or any driver jump the queue. According to the current database information, the software updated the database records in real time. The system checks the database according to the sequence of parking spaces. When there is no vehicle in the current parking space, the system automatically follows the billing time sequence. Broadcast the ranking first vehicle is allowed to move into factory and prepare to loading, and LED screen will output the information (the car number move into car position）in the same time.After the number is called, the system records the time. When the car cannot be weighed or loaded in time within the set time, the system will automatically skip the car (the car will rejoin the queue) and continue to call the next car
The queuing system is based on the characteristics of storage and transportation. When the driver succeeds in the business and obtains the IC card, he enters the queuing system and the relevant information will be queued in real time according to the use of the on-site loading instrument. The real-time display will be provided. When there is an available loading arm position, the self-service terminal will pass a voice prompt. The number is called and the driver starts to enter the field according to the called number to start loading
| Calling & queuing system features as follow: |
| Systematic automatic queuing, scientific and rational queuing, and ordering loading at the scene |
| Information prompts intuitive, direct (LED text prompts, high-power voice playback reminder) |
| The system automatically detects the current status of each loading position, calls promptly and high efficiently. |
| Automatic and manual two ways, easy to handle a variety of emergencies |
| SMS notification. |
In order to visually display the loading status of loading arm working process in the loading area, it is convenient for the driver to know the loading progress in real time. A largescreen display is set in the loading waiting area. The largescreen display is connected with the computer and receives instructions from the computer and displays relevant content
(2)Vehicle access control system
The function of the access control system
In order to reduce personnel work, increase production efficiency, and standardize management when working on a large number of vehicles. At the same time, vehicles that do not meet the requirements are prevented from entering the field. The card access control system can effectively control the above problems. The main functions are:
1.Record the time of entry and exit of all vehicles, as well as the status categories, and improve management technological skills.
2.Automatically identify whether the vehicle meets the traffic conditions.
The current access control identification mainly includes IC card identification technology, license plate recognition technology, and RFID identification technology
The on-site example
Access control system configuration
Access control system configuration uses the following equipment
(3)Weighbridge unattended system
The unattended floor scale consists of a server, barrier gate, a self-service terminal, a license plate recognition machine, an infrared parking sensor, an LED large screen, a voice system, and an environment camera. They are connected via industrial Ethernet; collected and monitored by a device server. Connected equipment; The client operating station is installed in the control room, which is installed the weighing management software. The software provides vehicle information management, data statistics, report query, report printing and other functions.
Weighbridge structure diagram
（4）Local truck loading system
Main control devices as follow
