With the rapid development of modern educational technology,new teaching methods emerge as The Times require.Information-based teaching methods have been developing rapidly in the process of secondary vocational schools.In particular,the addition of virtual reality technology provides more choices for the teaching methods of practical operation courses in secondary vocational colleges.At the same time,the virtual reality simulation platform is used to build situational teaching mode in the practical operation class of secondary vocational schools to guide students to actively participate in the practice,so that students can find and solve problems,cultivate good practical ability and lay a solid foundation for their future career.Aiming at the practical course of secondary vocational "computer assembly and maintenance" as the basis,the fusion characteristic of secondary vocational practice course,in view of the practical teaching in the process of training equipment insufficient resources,practice teaching means,learning interest to improve,training process,a series of problems such as limited time and space.Situational teaching model teaching method,virtual simulation training platform constructing situation teaching mode,the creation of "basic cognitive platform","skills upgrading platform" two platform,has realized the "element" person,"operation process","focus on training" and "extension" difficult four basic functions,which provides a new way for new practice teaching,the new method.The main research contents of this paper are as follows:(1)To explore the situational teaching model with the theory of virtual reality technology to build the theory basis,and on the basis of the situational teaching model,combined with the "constructivism theory","tower of dell’s experience" and "flow theory" and so on teaching theory as the theoretical foundation of the virtual simulation training platform,with secondary vocational "computer assembly and maintenance" course as an example to build situational teaching model under the virtual simulation training platform.(2)"3D modeling software--3D Max" was used to design each part of the computer assembly and maintenance,and "Unity 3D" was used as the scene for the whole virtual simulation experiment platform,which was used in combination with head-mounted display and motion-sensing handle in the actual operation process.In the virtual simulation practice environment,the authenticity of the operation process is enhanced,and the students are immersed in the experience of hands-on significance.(3)Based on secondary vocational "computer assembly and maintenance" curriculum teaching present situation analysis,including the learner analysis,objective analysis,case analysis and practice operation to complete the virtual simulation training platform under the situational teaching model pattern design,the construction of the building elements,built contains basic cognitive platform ","skills upgrading platform" virtual simulation platform.In the secondary vocational "computer assembly and maintenance" practice operation course"motherboard assembly","wiring installation" two classic cases of practice teaching analysis,so as to improve the situation teaching mode of practice operation part.(4)At last,students were organized to conduct practical exercises,including four basic modules of the platform: "initial knowledge of components","operation process","key training" and "expansion of difficulties".After the end of the experiment,the actual practical data were analyzed and interviewed,and good results were obtained. |