Anti-blackboard reflective device
A technology of a reflective device and a blackboard, which is applied in the field of teaching appliances, can solve problems such as students not being able to study normally, and achieve the effects of improving class efficiency, convenient disassembly and assembly, and weakening the degree of reflection.
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[0047] figure 1 It is a front view of the anti-blackboard reflection device provided by an embodiment of the present invention. Such as figure 1 As shown, in this embodiment, an anti-blackboard reflection device is provided. The anti-blackboard reflection device includes a fixed support 1, a rotating frame 2, a polarizing plate support frame 3, and two polarizing plates 4;
[0048] Two polarizers 4 are arranged in parallel, one of the polarizers 4 is fixedly connected to the polarizer support frame 3, and the other polarizer 4 is rotatably connected to the polarizer support frame 3;
[0049] The polarizer support frame 3 is rotatably connected with the fixed support 1;
[0050] The polarizer support frame 3 abuts the rotating frame 2;
[0051] The fixed support 1 and the rotating frame 2 are respectively used for fixing to the wall.
[0052] The anti-blackboard reflection device provided by the present invention is debugged in front of the window before use, and an appropriate installa...
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