Pay attention to the suitability of choosing ppe

A host, a display, a pair of VR glasses and an operational handle. Have to say this is a magical teaching equipment. "VR+ education" has always been the focus of common concern in the field of science and education. VR (virtual reality) technology has entered into vocational education, allowing students to "zero-distance" contact with actual work situations and greatly enhancing learning outcomes.

VR brings greater changes to vocational training, especially when it comes to occupational safety training. Usually, such education focuses more on the actual experience of the trainees, while traditional training relies more on written written materials, but the reading manual is not equivalent to an immersive experience in real life. Often when people are at risk or in danger at work, they tend to panic and do not follow standard procedures, rather than calming memories of first aid knowledge they have read. And once the experience of virtual reality can help people overcome their own panic mechanisms. For example, virtual reality can place users in an oil rig that has just fired. This experience allows them to overcome the initial panic and carry out the next rescue operations. Through simulations, users can gradually build confidence and increase the likelihood of being rescued when they face the same situation in the future.

Using VR technology, students can see a piece of carbon steel by putting on VR glasses. They just need to pick up the handle to perform the simulation welding. Welding joints will appear in front of the eyes. Hold down the analog handle and gently move it down to contact the carbon steel. You can see the welding spots of the carbon steel through the VR glasses. Then adjust the direction and strength according to the requirements to achieve the required welding. purpose. This not only allows newly-started students to get started quickly, but also gives students a sense of freshness through modern technology to a certain extent, and enhances the interest of learning.

With the wide development of VR technology, VR can also show its talent in education. Not only in vocational education, but also in basic education in primary and secondary schools, higher education, popular science education and other fields also have a good application value. If necessary, you can contact me.

Illumination Grade Aspherized Lenses

The radius of curvature of one surface of the aspheric condenser lens varies with the height from the optical axis, so as to achieve the smallest spherical aberration, and the other surface is convex or flat. This type of lens can achieve short focal length focusing that cannot be achieved by a spherical lens. Light.

The aspheric condenser lens has a larger clear aperture, a higher NA, and a lower f/# value than a spherical lens. Therefore these lenses are very suitable for high-efficiency lighting applications or for collimating broadband light sources, LEDs, or other similar light sources. The condenser lens is not suitable or recommended for imaging on the camera sensor. The image can be resolved better by achromatic doublet lens or triplet lens or tube lens.

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