Patent Analysis of Railway Contact Network Monitoring Technology
As an important part of the electrified railway traction power supply system,the contact network,in the event of failure,will cause negative impact on the safe operation of the train.Thus,it is of great significance to take appropriate measures based on the feedback from the real-time monitoring results of the contact network operating status and the external environment for the safe and reliable operation of the electrified railway.This paper mainly focuses on the 'railway contact network monitoring technology'to carry out the patent analysis.The paper analyzes the development of domestic and foreign railway contact network monitoring technology by searching,citing and processing the global patent data.In addition,it clarifies the current situation of the global patent layout of key enterprises,and puts forward suggestions for the research direction and patent layout of relevant units in this field.
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