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[Project background]
After more than 30 years of development since my country’s reform and opening up, China’s urbanization has continued to accelerate, with 15 million people entering cities every year, and China has entered an urban society. With the increase in the number of people, the total amount of municipal solid waste has continued to increase, which has brought tremendous pressure on the removal, management and treatment of municipal solid waste. At present, most cities adopt the method of “centralized collection, centralized transportation and centralized processing”, which not only causes a lot of waste of recyclable resources, but also increases the amount and difficulty of garbage disposal, resulting in waste of resources such as manpower, material resources, and land.
At present, the model adopted by the China Environmental Administration is relatively traditional. Most of the garbage disposal methods are fixed vehicles to various locations at a fixed time every day for recycling. The information about the amount of garbage generated by each trash can and the status of garbage collection are mastered. few. Therefore, a platform for collecting garbage information and facility information collection, transportation vehicle scheduling, garbage classification and recycling, etc. is needed to realize centralized management and scheduling, rationally allocate resources, and optimize the efficiency of garbage collection and processing. Through the operation of the various functional modules of the system, the collection of relevant data and information is realized, the real-time status of the trash can and the behavior of residents and households are monitored, and the management of clearing and transportation is optimized, so as to realize the networked, intelligent and informatized management of garbage classification in residential areas.
【solution】
The garbage classification and recycling system in residential areas adopts the most advanced Internet of Things technology, collects various data in real time through RFID readers, and seamlessly connects with the back-end management platform through the self-organizing network system. RFID readers and vehicle RFID tags installed on garbage trucks (flat trucks, recycling trucks) through RFID tags installed on trash cans (fixed-point buckets, transport buckets); vehicle card readers installed at the gate of the community; garbage transfer stations, garbage Floor scales and RFID readers installed in the terminal processing facilities; each RFID reader can be connected to the background in real time through a wireless module, so as to realize the real-time association of the number, quantity, weight, time, location and other information of the garbage can and garbage truck , Realize the whole-process supervision and traceability of garbage community sorting, garbage transportation, and post-processing of garbage, ensure the effectiveness and quality of garbage disposal and transportation, and provide scientific reference.
When the trash can is placed on the lifting arm, the radio transceiver automatically interprets the ID identification code via the antenna installed on the lifting arm and stores it in the code reader. At the same time, the total weight of the trash bin will be recorded once. After the garbage is dumped, the weight of the empty box is recorded again, and the weight of the second time is subtracted, which is the weight of the garbage and recorded. All the data will be logged in the computer installed in the cab, and a backup report will also be printed out every time it is cleared and shipped to maintain the safety of the data. When the garbage truck completes the one-day cleaning process, it will drive back to the management center. At this time, the driver removes the memory card of the computer on the vehicle and stores the data in the central computer of the management center.
【System composition】
RFID waste management system includes: waste electronic document system, collection and transportation vehicle RFID management system, collection and transportation vehicle RFID electronic lock system, GPS collection and transportation vehicle route real-time tracking system, RFID waste processing and verification system, and data application platform.
1) Attach RFID electronic tags to the trash can
2) The receiving vehicle reads the RFID electronic tag data and uploads it to the background
【System functions】
1) Record the user’s use of classified garbage bags;
2) Record the type and amount of trash thrown by users, and summarize the user’s usage;
3) Real-time monitoring of the fullness of the trash bin and the weight of the trash.
【System Features】
1) Convenience: Fully electronic data centralized management, a large amount of data query work is completed by the server, which saves a lot of manpower and improves efficiency.
2) Data security: adopting a new generation of RFID electronic tags, which are specially designed for different use occasions, with fast identification response time and low average failure rate, ensuring the safety, timeliness and stability of the identification link; In addition, a high-performance and high-fault-tolerant system server is used to ensure the high stability, security and network transmission speed of the server, so as to realize the real-time transmission of the system and ensure the timeliness of information.
3) Improve management level: centralized management, distributed control; standardize the supervision and management of waste collection and transportation, and supervise all necessary links, so that emergencies can reach the top management in the first time, so that the incident can be dealt with in a timely manner.
4) Scalability: Taking into account the future development trend and the promotion of informatization in the management of regional waste and hazardous materials, the system provides a wealth of data interfaces, and can provide corresponding data to the Environmental Protection Agency according to needs.
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