Multimedia classroom computer plus projector and electric screen configuration scheme

The practical teaching application shows that the configuration scheme of computer plus projector and electric screen for multimedia classroom teaching equipment has been used for many years. The life span is 2,000 hours, which basically meets the teaching needs of the first year. The bulbs will be replaced one after another from the second year. The maintenance cost of each bulb is high, and one bulb needs to be replaced every year. Beginning in the third year, the bulbs are usually replaced, basically twice a year. With the aging of the LCD panel of the projector, the brightness and clarity of the replaced projection cannot be compared with the original one, and the price of the LCD panel is equivalent to two-thirds of the price of the projector. In fact, the existing projection The machine was configured a few years ago. It has been seriously aged and requires a lot of maintenance costs every year. Moreover, the brightness and clarity can no longer meet the needs of class teaching, and the hardware equipment needs to be updated.

The detailed teaching equipment configuration list includes the following hardware: