Mathematics teaching device based on computer
A teaching device and computer technology, which is applied to the desks or platforms of computer workstations, the pulpit of preaching, chemical instruments and methods, etc., can solve the problems of affecting users' viewing of books, secondary pollution, and inconvenient dust collection, so as to save energy , increase comfort, and facilitate cleaning
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Embodiment 1
[0030] A computer-based mathematics teaching device, comprising a workbench 1, a first cavity 11 and a second cavity 14 are respectively provided at the front end of the workbench 1 close to both sides, and the inner wall of the first cavity 11 is provided with a partition 13. It is convenient to place books and sundries, and a hook 12 fixedly connected to the side wall of the first cavity 11 is provided under the partition 13, which is convenient for hanging mathematics teaching aids. The inside of the second cavity 14 is provided with a sound system and a host computer. And the second cavity 14 is provided with a plurality of cooling holes 15 near the side wall of the main computer, the computer main body is electrically connected with the display screen 3 and the audio, and the computer main body is electrically connected with the external power supply; There is a display screen 3, and a cleaning device 5 is arranged below the display screen 3. The cleaning device 5 includes...
Embodiment 2
[0033] The bottom of the cleaning plate 55 is provided with two collection devices 4 that are opened on the upper end of the workbench 1, and the collection device 4 includes a collection tank 41 that is opened on the top end of the workbench 1, and the front end of the collection tank 41 is provided with an opening 45, and the opening 45 A box body 44 is installed movable inside, and a rubber baffle 46 is fixedly installed on the outer wall of the front end of the box body 44, and the rubber baffle 46 is in the shape of a rectangular frame. The suction fan 43 is fixedly installed by the connecting rod, and the top of the suction fan 43 is provided with a metal mesh 42 fixedly connected to the inner wall of the collection tank 41; On both sides, directly above the two collection grooves 41 correspond up and down to the plurality of bristles of the cleaning plate 55 .
[0034] Above structure is by when cleaning plate 55 is cleaned display screen 3, connects the power supply of...
Embodiment 3
[0036]One side of the display screen 3 is provided with a fixing device 2, the fixing device 2 includes a first rotating shaft 26 fixedly connected to the upper end of the workbench 1, and the upper end of the first rotating shaft 26 is rotatably connected to a base plate 21, and the upper end of the base plate 21 is close to the two sides. The positions are all fixedly installed with vertical plates 22, and the positions near the upper ends on one side of the two vertical plates 22 are fixedly equipped with horizontal plates 23, and the upper ends of the two horizontal plates 23 are all screwed with bolts 24, and the two bolts 24 The lower ends are fixedly equipped with a collision plate 25; the lower end of the bottom plate 21 is provided with a groove at a position away from the first rotating shaft 26, and a second rotating shaft 27 is fixedly installed on the inner wall of the upper end of the groove, and the outer wall of the second rotating shaft 27 is rotatably connected...
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