A holographic zebra crossing guardrail
A zebra crossing and guardrail technology, applied in road safety devices, advertisements, roads, etc., can solve the problems of easy collision with pedestrians, high damage rate, time-consuming guardrails, etc., to prevent pedestrians from running red lights, evenly distributed wind speed, and not occupying road space. Effect
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Embodiment 2
[0056] figure 2 In the second embodiment of the present invention shown, considering that there is a certain distance between the fog screen module 2 and the holographic projection module 3, the sound module 6 should be placed close to the holographic image 34 to have a sense of reality, Otherwise, there will be a feeling that the sound and shape do not correspond. Therefore, the sound module 6 is placed in the fog screen control cabinet 21 to protect against rain and sun to a certain extent. In order to facilitate the transmission of sound, a number of outlets are arranged on the wall of the control cabinet corresponding to the position where the sound module 6 emits sound. Sound hole 211.
Embodiment 3
[0057] In the third embodiment of the present invention shown in FIG. 3, since the holographic projector is required to have a certain height and a certain distance from the fog screen, and to be firm and safe, the selected support device is a metal material similar to a pole-type street lamp and shape, here preferably linear (eg Figure 3-a shown), and an inverted L shape (such as Figure 3-b shown). Choose between straight and inverted L shapes, depending on Figure 4 For the constraints shown, if the calculated height is obviously unreasonable when the linear support device is selected, the inverted L shape should be selected, the value of H can be changed by changing the size of d2, and then a reasonable height of the support device should be selected. .
[0058] like Figure 5 As shown, it is a third embodiment of the present invention. In this embodiment, the projection module 3 and the fog screen module 2 are installed on the sidewalk on the same side of the road, a...
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