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Preface to Part One
The first section system overview
With the rapid development of my country’s economy and technology and the improvement of people’s living standards, the amount of waste processed is increasing. If it is not processed in a timely and effective manner, long-term burial in the ground will cause great pollution to the environment and water resources. At present, all major cities in my country have dedicated waste disposal units to deal with them, but there will be work loopholes in transportation. In the process of transporting waste from the production unit to the processing unit, due to various factors, there will be loss, outflow, etc. If it is not found, the lost waste will cause environmental pollution and even harm human health. How to avoid hazardous waste in the transportation process In a similar situation in China, its supervision has become even more important.
In response to the above situation, Shenyang Kaitai Technology Co., Ltd. designed a waste transportation supervision system solution. The program uses the Internet of Things technology to realize the supervision of sludge transportation and treatment through the identification and tracking of waste.
Section 2 Understanding of Users
The program uses the combination of computer, Internet, wireless communication technology and RFID hardware equipment system to build a comprehensive management information platform using RFID automatic identification technology, video capture, and mobile handheld data terminal technology to achieve one-point entry and full sharing of transportation sludge information, providing Track and query the whole process and data. In this way, the relevant departments can supervise and manage the sludge transportation process, so as to fully guarantee the safety of the sludge during the transportation process, and at the same time provide real, effective, and timely information and data for managers at all levels to ensure foolproof management.
The point-to-point information calibration of waste generating units is implemented through hardware devices such as handhelds, electronic tags and cameras to monitor the operation process of waste from transportation to disposal, so as to prevent the loss and harm caused by the loss of waste.
The second part of the system design
The first section system design ideas
In the entire waste transportation supervision, data collection and processing are carried out on the basis of vehicles. Each vehicle is bound to a handheld device, and the handheld device completes the tracking and monitoring of the entire transportation process. While the handheld is collecting data, it can also prevent the occurrence of cheating and fraud. In the event of an abnormality, the supervisory authority can trace the responsibility of the corresponding person in charge based on the relevant data collected by the handset.
In order to prevent the handheld from being bound to different vehicles, an electronic tag will be installed in the car. Each time the handheld is activated, the electronic tag in the car needs to be read once to authorize the handheld to operate. Taking into account the diversity of the user groups, the design of the handheld software tends to be simple and easy to use, and most operations can be realized by pressing a card reader button.
The way the relevant departments monitor data is not just a single way, because it takes into account the problems that may be encountered in actual use. Factors such as high network costs, product cost-effectiveness, and ease of use. At the same time, the feasibility of future upgrades and expanded functions is reserved in the design of the handheld and computer software.”
Section 2 System Design Topology Diagram
Section 3 Operation Flow Chart of Transportation Process
(The above is the use process of the handheld terminal)
Section 4 System Process Description
Process of waste transportation:
1. For waste transport personnel, after turning on the handheld, the software will automatically start and enter the interface for verifying the vehicle information bound to the handheld. The transport personnel will operate the handheld device to read the electronic tag in the vehicle to start the handheld device program.
2. After the handheld program is started, place it in the car.
3. The vehicle goes to the waste generating unit.
4. After arriving at the waste generating unit, place the handheld device at the designated location to read the unit’s RFID electronic tag and send it to the location of the unit’s PC.
5. Connect the handheld to the PC of the waste generating unit through the USB cable. Read the vehicle photo information collected by the PC computer through the camera.
6. After the vehicle is loaded with waste, go to the PC location, take the handheld device and leave the waste disposal unit, and go to the repurchase unit.
7. You can perform another card reading operation before leaving, or you can ignore it (if the forced operation can be managed more rigorously, considering the efficiency, you can ignore the leaving card reading operation)
8. Go to the sludge repurchase unit.
9. Reach the sludge repurchase unit,
10. The personnel read the RFID electronic tag of the repurchase unit with a handheld device to indicate that it has reached the sludge repurchase unit.
11. The personnel send the handheld device to the PC location of the sludge repurchase unit and connect it to the computer.
12. While the sludge repurchase unit performs vehicle weighing and waits until the operation, the computer of the sludge repurchase unit collects weighing data and takes photos of the vehicle, and sends the data to the handheld.
13. Before leaving the sludge repurchase unit, you can perform a card reading operation. (Optional operation)
14. The vehicle leaves the sludge repurchase unit.
15. Loop.
Data monitoring process of environmental protection supervision department:
1. Data collection:
Collect data from the handheld through the direct connection of the handheld.
Sent through the network of repurchase units, the sludge repurchase unit cannot view the data due to data encryption.
2. Data processing:
Generate related reports.
3. Issuing unit RFID electronic tags and vehicle RFID tags.
4. Handheld related data update
If it is necessary to associate the RFID electronic tag with the unit name, try to ensure that no update has no impact on the entire system.
5. Data export and backup
Section 5 System Composition
The software in the entire system is composed of four parts, the handheld software, the computer software of the supervisory department, the software of the sludge production unit, and the software of the sludge repurchase unit. The main hardware of the system includes handhelds, computers, vehicle camera cameras, camera capture cards, scales, etc. The relevant units include scales and computer equipment.
The hardware configuration is as follows:
Vehicle equipment
1. A handheld machine.
2. An RFID tag. (For car and handheld binding)
Sludge producing unit
1. One RFID tag, or multiple RFID tags, can be changed according to demand.
2. Vehicle camera and capture card.
3. Computer (unit already equipped).
Sludge disposal unit
1. One or more RFID tags, variable according to demand.
2. Vehicle camera and capture card.
3. Computer (unit already equipped).
4. Weighing scale (unit is equipped).
5. Network environment (when data is transmitted through the network).
Supervisory unit
1. Computer (unit already equipped).
2. Network environment (when passing the network transmission bureau).
Section 6 Expandable Functions
GPS positioning function:
Need a GPS module for the handset, and the software needs to write GPS-related functions. You can perform operations such as reading and writing RFID electronic tags, connecting to a computer, and recording routes. (The cost involved may be higher)
Network real-time monitoring function:
Each unit needs to have Internet support and an independent data server. (The cost involved may be higher)
High security data encryption:
Each unit needs to be equipped with a large card reader to encrypt and correspond to each reading and writing device. (The design cost is higher)
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