构建了核（核心企业）链（全球价值链）网（集群网络）互动影响产业集群升级的概念模型。基于浙江典型产业集群的调查数据进行实证分析，表明：（1）集群外网络较集群内网络对核心企业的知识获得影响更大；（2）集群内网络较集群外网络对核心企业的知识输出影响更大；（3）核心企业的知识获得和知识输出均对产业集群升级产生正向影响，在产业集群的创新与升级中发挥着主导作用。研究结论进一步深化了产业集群升级理论，对产业集群升级有一定指导意义。

This paper builts the concept model about impact of interaction of core,chain & network on upgrading of industrial clusters. Through empirical analysis based on the survey data of typical industrial clusters in Zhejiang, the results show:(1)the outside network of cluster has more inpact on knowledge acquisition to core enterprise than internal network; the internal network of cluster has more inpact on knowledge output to core enterprise than outside network; both the knowledge acquisition and output of core enterprise have positive impact on the upgrading of industrial clusters. It shows the leading role of core enterprise in the innovation and upgrading of industrial clusters. This results further deepen the theory of industrial cluster upgrading, and provide the guidance for industrial cluster upgrading.