基于区块链的农产品冷库P2P共享平台系统

当前,中国农村地区的农户之间的农产品冷库仓储资源点对点(P2P,peer-to-peer)共享,面临着供需信息真假难辨匹配效率低、冷藏保鲜仓储记录易篡改且信息共享难、交易结算中损耗责任认定难三大难题,而区块链技术凭借其去中心化、安全可靠的特点,为解决农民间零散的冷库仓储资源的P2P共享难题提供有效技术工具。因此,针对上述难题,运用区块链技术建立一种农产品冷库P2P共享平台系统。结合中国农村地区农产品产地冷库的供需交易特点,构建一种基于区块链的P2P冷库共享框架;在区块链框架下设计农产品冷库的供需匹配机制、多主体信息共享机制和交易的自动结算机制;利用Hyperledger Fabric框架开发该平台的原型系统。该平台可以实现中国农村地区分散而多样的农产品仓储资源和存储需求之间的高效匹配和可信交易,确保生鲜农产品仓储过程中的冷链完整性,保障交易各方的合法权益,为实现安全可信的点对点冷库共享平台提供了新思路。

Refrigeration Calculation and System Design for Medium-term Genebank of Crop Germplasm Resources in Shandong Province

Crop germplasm resources are the material basis for the breeding of new varieties, and strategic resources for food production, ecological security and agricultural sustainable development. Constructing a scientific, environmental-friendly and energy-saving medium-term genebank is essential for preserving crop germplasm resources. However, the construction of medium-term genebank involves a wide range of subjects but lacks unified standard, which might result in many difficulties in the process of construction and application. According to the key parameters of refrigeration system for medium-term genebank, the cooling load was calculated and key system schemes were determined in this paper. Based on the calculation results and designed schemes, the equipment selection was discussed and the standards for construction of bank and monitoring system were proposed with the aim to provide references for germplasm genebank design and equipment selection.