Junior high school mathematics projection view auxiliary teaching device
The invention relates to the technical field of projection aided teaching, and particularly discloses a junior high school mathematics projection view aided teaching device, which comprises a supporting bottom plate and a projector, and further comprises a sliding adjusting mechanism used for adjust...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | The invention relates to the technical field of projection aided teaching, and particularly discloses a junior high school mathematics projection view aided teaching device, which comprises a supporting bottom plate and a projector, and further comprises a sliding adjusting mechanism used for adjusting the installation height of the projector and located above the supporting bottom plate; the clamping and mounting mechanism is used for quickly clamping and mounting the projector, and the clamping and mounting mechanism is located above the sliding adjustment mechanism; according to the invention, through the effect of the heat dissipation and cooling mechanism, cooling wind with alcohol can be blown to the outer wall of the projector, and heat generated during use of the projector is cooled, so that the temperature generated during use of the projector is reduced, the phenomenon that the projector is damaged due to too high temperature, the brightness and color of the projector are affected, and the color cas |
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