Automatic dust removing device for projection equipment for teaching
A technology for automatic dust removal and projection equipment, which is applied to educational appliances, electrically operated teaching aids, chemical instruments and methods, etc., can solve the problems of affecting projection effect, manual cleaning, time-consuming and laborious, etc., and achieves a high degree of intelligence, convenient dust removal, Easy-to-use effects
Inactive Publication Date: 2018-06-12
岳池县师范附属小学校
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Problems solved by technology
[0002] Multimedia teaching refers to the combination of modern teaching media and traditional teaching methods in the teaching process, using multimedia information to act on students to form a reasonable teaching process structure; in the teaching process, projection screens are usually required to display information, and most of the current projection screens are It is electronically controlled and can be lifted automatically. It will be stained with dust during use. When the dust accumulates a lot, it will affect the projection effect. Manual cleaning is required, which is time-consuming and laborious
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[0012] Below in conjunction with accompanying drawing and embodiment the technical solution of the present invention is further described:
[0013] Such as Figure 1 to Figure 3 As shown, the present invention provides an automatic dust removal device for teaching projection equipment, including a dust removal cylinder 1, a dust removal shaft 2, a dust removal brush 3 and a motor 4, wherein the dust removal shaft 2 is arranged in the dust removal cylinder 1, and the dust removal brush 3 is along the The soft-bristled brushes arranged in the length direction of the dust removal shaft 2 have a card edge 5, and the dust removal shaft 2 is provided with a card slot 6 that cooperates with the card edge 5, and the card edge 5 and the card slot 6 are slidingly fitted. One end is provided with an end cover 7, and the end cover 7 is detachably arranged on the dust removal cylinder 1. One end of the dust removal shaft 2 is rotationally connected with the end cover 7, and the other end i...
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The invention relates to the technical field of multimedia teaching equipment, and specifically relates to an automatic dust removing device for projection equipment for teaching. The automatic dust removing device comprises a dust removing cylinder, a dust removing shaft, a dust removing brush and a motor, wherein the dust removing shaft is arranged in the dust removing cylinder, the dust removing brush is a soft brush arranged along the length direction of the dust removing shaft, the soft brush is provided with a clamping edge, the dust removing shaft is provided with a clamping slot matched with the clamping edge, the clamping edge is matched with the clamping slot in a sliding manner, one end of the dust removing cylinder is provided with end cover, the end cover is detachably arranged on the dust removing cylinder, one end of the dust removing shaft is rotatably connected with the end cover, the other end is provided with a magnetic mechanism, the magnetic mechanism comprises anexpansion block, an expansion sleeve and an electromagnet, the magnetic mechanism is connected with the motor arranged in the dust removing cylinder, the motor is connected with a motor switch, and the motor switch is arranged on the dust removing cylinder. The automatic dust removing device adopting the technical scheme of the invention for the projection equipment for teaching has the characteristics of reasonable structural design, convenient use and high intelligent degree.
Description
technical field [0001] The invention relates to the technical field of multimedia teaching equipment, in particular to an automatic dust removal device for teaching projection equipment. Background technique [0002] Multimedia teaching refers to the combination of modern teaching media and traditional teaching methods in the teaching process, using multimedia information to act on students to form a reasonable teaching process structure; in the teaching process, projection screens are usually required to display information, and most of the current projection screens are It is electronically controlled and can be lifted automatically. During use, it will be stained with dust. When the dust accumulates a lot, it will affect the projection effect. It needs manual cleaning, which is time-consuming and laborious. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide an automatic dust remo...
Claims
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Login to View More IPC IPC(8): G09B5/02B08B1/04
CPCG09B5/02B08B1/12B08B1/32
Inventor 罗勇
Owner 岳池县师范附属小学校