基于LabVIEW的动静涡旋端面摩擦温度测试系统

无油润滑涡旋压缩机动静涡旋端面摩擦温度是反映压缩机工作性能的重要参数。为真实实现端面摩擦温度的测量，采用了摩擦温度信号的非接触热平衡测量方法，通过虚拟仪器软件开发平台LabVIEW及相关硬件产品，构建动静涡旋端面摩擦温度测试系统，实现温度信号的实时采集，提高了测量精度。结果表明，相比传统的信号采集系统，基于Lab-VFEW的数据采集系统具有成本低廉，人机界面友好，开发周期短，数据处理简单方便以及便于维护等优点。这将对无油润滑涡旋压缩机动力学特性分析、理论设计和提高其性能等具有重要的意义。

LabVIEW-based system of testing frictional temperature on dynamic and static vortex end-face

The frictional temperature of dynamic and static vortex end-face is an important parameter for working performance of oil-free vortex compressor.Non-contact heat balance measurement method of frictional temperature signal was used in the testing sytem to realize the measurement of real face frictional temperature.The testing system of dynamic and static vortex end-faces frictional temperature was established with virtual instrument development platform LabVIEW and relevant hardware products.The real-time data acquisition of temperature signal was achieved and the measurement accuracy was improved with the system.The results show that,compared with the traditional signal acquisition systems,the data acquisition system based on the LabVIEW has the advantages of low cost,friendly interface,short development cycle,easy maintenance and simple data processing.It has a great significance in characteristic analysis,theory design and performance improvement of oil-free vortex compressor.