Computer graphics teaching device
A technology of computer graphics and teaching equipment, applied in the field of teaching equipment, can solve the problems of inaccurate display of graphics and inaccurate display of graphics on projection screens, etc., and achieve the effect of convenient separation
Inactive Publication Date: 2017-12-22
成都环磊科技有限公司
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Problems solved by technology
[0002] With the development of people's life, earth-shaking changes have taken place in education. From the beginning of blackboard chalk writing to the current multimedia teaching, the development of computer graphics teaching has become an inevitable trend. The specific performance is how to make graphics more accurate. It is particularly important to project on the projection screen; but most of the projection screens of computer images are fixed now, and when the accuracy of the projector installation is not enough, the graphics cannot be accurately displayed on the projection screen. For the situation, we have set up the adjustable height and the size of the projection screen to better display the image on the projection screen. This device is easy to operate and has high practicability. , resulting in the problem that the graphics cannot be accurately displayed on the projection screen
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[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0014] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.
[0015] refer to Figure ...
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The invention discloses a computer graphics teaching device, which includes a projection support frame and a projection device. The projection device is composed of a projection screen and a projection shell. The top and bottom of the projection screen are provided with first slide rails. Each of the Two first sliders are slidably connected on the first slide rails, and a sliding screen is connected between the two first sliders corresponding to positions on the two first slide rails. The bottom end of the projection housing The side close to the first slider is provided with a first block, the inner bottom of the projection housing is fixed with a motor, and the driving end of the motor is fixedly connected with a first gear, and the inner side wall of the projection housing passes through the first bearing , a rotating shaft is rotatably connected, and a second gear is fixed on one side of the rotating shaft. The invention has simple operation and high practicability, and can well solve the modern problem that the graphics cannot be accurately displayed on the projection screen caused by insufficient installation precision of the projector.
Description
technical field [0001] The invention relates to the technical field of teaching appliances, in particular to a computer graphics teaching device. Background technique [0002] With the development of people's life, earth-shaking changes have also taken place in education. From the beginning of blackboard chalk writing to the current multimedia teaching, the development of computer graphics teaching has become an inevitable trend. The specific performance is how to make graphics more accurate. It is particularly important to project on the projection screen; but most of the projection screens of computer images are fixed now, and when the accuracy of the projector installation is not enough, the graphics cannot be accurately displayed on the projection screen. For the situation, we have set up the adjustable height and the size of the projection screen to better display the image on the projection screen. The device is easy to operate and has high practicability. , resulting...
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Login to view more IPC IPC(8): G09B5/02G03B21/54G03B21/58
CPCG09B5/02G03B21/54G03B21/58
Inventor 瞿晓磊刘万发
Owner 成都环磊科技有限公司
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