Starry sky top scintillation machine with separation blade
An optical machine and starry sky technology, applied in the field of starry sky, can solve the problems of low reliability and large size, and achieve the effect of improving service life and reliability and reducing size
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Embodiment 1
[0045] Such as image 3As shown, the stepping motor 1 is assembled on the motor fixing plate 11, the drive shaft 2 of the stepping motor passes through the drive shaft avoidance hole in the middle of the motor fixing plate, and the blocking plate 3 is directly fixed on the driving shaft 2. Such as Figure 4 As shown, the outer contour of the baffle is preferably circular, but it can also be an irregular shape, as long as it does not touch the housing when it rotates. The effective area is ring-shaped, there is a drive shaft in the middle, and it needs to be fixed, so there must be an invalid area. What to do here is to try to narrow the invalid area in the middle. In fact, even if the dimensions of the optical machine are the same as those in Comparative Example 2, the dimensions of the fiber bundle tubes and baffles can be appropriately larger, because there is no crank mechanism here, and the space can be more fully utilized.
[0046] A drive shaft avoidance hole is provi...
Embodiment 2
[0054] The structure of the light board is as Figure 8 with Figure 9 As shown in the figure, open an avoidance groove on the light board to cover the drive shaft avoidance hole in the center. Of course, it is better to open an avoidance groove on the motor fixing plate, and it corresponds to the avoidance groove on the light board. When the avoidance grooves of both are opened upward, the motor and the shutter can be directly assembled and disassembled without disassembling the lamp board, which improves the convenience of operation. Even the baffle can be welded together with the drive shaft in advance to reduce the size of the dead zone in the middle of the baffle.
[0055] The structure in which the drive shaft passes through the light board and the baffle is directly fixed on the drive shaft reduces the size of the baffle, has a simple structure and high reliability, and is more suitable for the use of star roofs in automotive interiors.
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Abstract
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