The invention discloses a projection device for education and teaching. The device comprises a projector and a box body, the projector is installed on the box body, a support plate is arranged on thebox body corresponding to the rear end of the bottom of the projector, and the upper part of the support plate is connected with the rear end of the bottom of the projector through a pin shaft. Air cylinders are arranged on the two sides, corresponding to the front end of the bottom of the projector, of the box body, the output ends of the two air cylinders are hinged to the front end of the bottom of the projector, a cooling fan and a motor are arranged in the bottom of the box body, a controller is arranged at the front end of the box body, and the cooling fan, the motor and the controller are electrically connected. And telescopic supporting legs are fixedly mounted on two sides of box body. The projection device is simple in overall structure and convenient and flexible to use, the teaching efficiency and quality can be greatly improved, and the projection device is worthy of wide application.

    本发明公开了一种用于教育教学的投影装置,包括投影仪和箱体,所述投影仪安装在所述箱体上,所述箱体上对应投影仪底部后端位置上设有支撑板,所述支撑板上方与投影仪底部后端通过销轴连接,所述箱体上对应投影仪底部前端的两侧均设有气缸,所述两气缸的输出端与投影仪底部前端铰接,所述箱体底部内设有散热风扇和电机,所述箱体前端设有控制器,所述散热风扇、电机和控制器电性连接,所述箱体的两侧均固定安装有伸缩支撑腿,本发明整体结构简单,使用方便灵活,能够大大提高教学效率和质量,值得广泛使用。


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    Titel :

    Projection device for education and teaching


    Weitere Titelangaben:

    一种用于教育教学的投影装置


    Beteiligte:
    WANG JIAN (Autor:in) / YANG JUN (Autor:in) / SHI JINYANG (Autor:in) / WU WEIWEI (Autor:in)

    Erscheinungsdatum :

    19.02.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16M Rahmen, Gehäuse oder Grundplatten von Kraftmaschinen oder anderen Maschinen oder von Apparaten, nicht auf eine besondere Art von Maschine oder Apparat eingeschränkt, die anderweitig vorgesehen ist , FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / G09B Unterrichts- oder Vorführungsgeräte , EDUCATIONAL OR DEMONSTRATION APPLIANCES



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