CN212376343U

CN212376343U - Platform ceiling and optical adjusting device thereof

Info

Publication number: CN212376343U
Application number: CN202020719321.8U
Authority: CN
Inventors: 王尚武; 卢国富; 张晓华
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-19
Anticipated expiration: 2030-04-29

Abstract

The present disclosure relates to a platform ceiling and an optical adjustment device thereof, wherein a ceiling (10) above a platform (20) is provided with a skylight (30) for passing solar rays, the optical adjustment device is arranged below the skylight (30) and comprises a dispersion prism (31), and an incident surface of the dispersion prism (31) faces the skylight (30) and an emergent surface faces the platform (20) so as to refract rainbow towards the platform (20). The optical adjusting device can effectively utilize the solar light source and provide better visual perception for personnel on the platform.

Description

Platform ceiling and optical adjusting device thereof

Technical Field

The disclosure relates to the technical field of station equipment, in particular to a platform ceiling and an optical adjusting device thereof.

Background

The station is the base of transportation production, and integrates the functions of passenger taking and landing, cargo carrying, vehicle arrival and departure, transfer and the like. In the case of a railway vehicle, a platform at a station, also known as a platform, refers to a platform which is parallel to a door step of the railway vehicle and is arranged behind an access station so that passengers can get on the platform, and is generally higher than the road surface. In the related art, the ceiling is generally formed by a non-transparent flat plate or a special-shaped film structure, and is illuminated by artificial illumination or diffuse illumination of sunlight, so that the utilization of the sunlight is limited, and the brightness of light and light provided for people on the platform is limited by the artificial illumination or the diffuse illumination of the sunlight, so that the visual perception of the people is poor.

SUMMERY OF THE UTILITY MODEL

The present disclosure is directed to an optical adjustment device for a platform ceiling, which can effectively utilize a solar light source and provide a better visual experience for people on a platform.

In order to achieve the above object, the present disclosure provides an optical adjustment device for a platform ceiling, wherein a skylight for passing solar rays is disposed on the ceiling above a platform, the optical adjustment device is disposed below the skylight and comprises a dispersion prism, and an incident surface of the dispersion prism faces the skylight and an exit surface of the dispersion prism faces the platform so as to refract a rainbow towards the platform.

Optionally, the optical adjustment device includes a light-tight box fixed below the skylight, the light-tight box is formed with an upper window located on the upper side and a lower window located on the lower side, the light-tight box is fixed with a plurality of dispersion prisms arranged in sequence on the lower window in the horizontal direction of the platform, the incident surfaces of the plurality of dispersion prisms are parallel, the emergent surfaces of the plurality of dispersion prisms are parallel, a polarizing film located above the plurality of dispersion prisms is arranged in the light-tight box, and the polarizing film is used for changing the solar rays from the upper window into parallel rays to irradiate the incident surfaces.

Optionally, the optical adjustment device includes an angle adjustment mechanism fixed in the light-tight box, and the angle adjustment mechanism drives the polarizer to move so as to change the posture of the polarizer relative to the upper window, so that the sunlight rays with different angles pass through the polarizer and then irradiate onto the incident surface at a predetermined angle.

Optionally, the starting end of the polarizer is connected to the angle adjusting mechanism, and the angle adjusting mechanism drives the polarizer to rotate around a horizontally extending pivot shaft.

Optionally, the light-tight box body has a first side wall and a second side wall opposite to each other, the angle adjusting mechanism is fixed to the first side wall, and the end of the polarizer is slidably connected to an arc-shaped sliding rail fixed to the inner side of the second side wall, and the arc-shaped sliding rail extends around the pivot shaft.

Optionally, the optical adjustment device includes a controller and a light sensing element, the light sensing element is disposed on the upper window to detect an angle of the sunlight, and the controller is electrically connected to the angle adjustment mechanism and the light sensing element and is configured to control the angle adjustment mechanism to drive the polarizer to move according to the angle of the sunlight detected by the light sensing element.

Optionally, the optical adjustment device includes a light adjustment mechanism, and the light adjustment mechanism includes a light shielding plate, and the light shielding plate is movably disposed in the light-tight box to adjust the intensity of the light irradiated from the upper window onto the polarizer.

Optionally, the light adjusting mechanism includes a controller and a light sensing element, the light adjusting mechanism includes a driving device, the driving device is in transmission connection with the light shielding plate to drive the light shielding plate to move, the light sensing element covers the upper window to detect the illumination intensity of the sunlight, and the controller is electrically connected to control the driving device to drive the movement of the light shielding plate according to the illumination intensity of the sunlight detected by the light sensing element.

According to a second aspect of the present disclosure there is provided a platform ceiling comprising an optical conditioning device of a platform ceiling as described above.

Optionally, the platforms include substations located at two sides of a track area for the rail train to travel, and the ceiling is provided with the optical adjustment device above the substations and the track area, so as to refract a rainbow at the corresponding substations and the track area.

Through the technical scheme, in the optical adjusting device of the platform ceiling provided by the disclosure, the optical adjusting device is arranged below the skylight and comprises the dispersion prism, so that external sunlight can irradiate the dispersion prism through the skylight, the incident surface of the dispersion prism faces the skylight, the emergent surface of the dispersion prism faces the platform, and a rainbow is refracted towards the platform.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic front view of a ceiling and a platform in a platform ceiling provided according to an embodiment of the present disclosure;

fig. 2 is an enlarged view of a portion a of fig. 1, in which a structural schematic view of an optical adjustment device of a platform ceiling is shown;

fig. 3 is a schematic optical path diagram of an optical adjustment device for a platform ceiling provided in accordance with an embodiment of the present disclosure;

fig. 4 is a schematic top view of a ceiling and a platform in a platform ceiling provided in accordance with an embodiment of the present disclosure.

Description of the reference numerals

10-ceiling, 20-platform, 30-skylight, 40-track area, 31-dispersion prism, 32-opaque box, 321-upper window, 322-lower window, 33-polaroid, 34-angle adjusting mechanism, 35-arc slide rail, 36-controller, 37-light sensing element, 38-shading plate and 100-optical adjusting device.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, terms of orientation such as "upper, lower, top, and bottom" are used based on the definition of fig. 1, and refer to the drawing direction of fig. 1, and "inner and outer" refer to the inner and outer of the profile of each component. In addition, lines with arrows in fig. 1 and 3 are solar rays, and directions indicated by the arrows are directions in which the solar rays propagate, and the present disclosure will not be described in detail in the following embodiments. Moreover, in the following description, where reference is made to the accompanying drawings, where like reference numerals designate identical or similar elements, the disclosure will not be described in detail herein.

According to an embodiment of the present disclosure, there is provided an optical adjustment device of a platform ceiling, and referring to fig. 1 and 2, a ceiling 10 located above a platform 20 is provided with a skylight 30 for passing solar rays therethrough, and an optical adjustment device 100 is disposed below the skylight 30 and includes a dispersion prism 31, an incident surface of the dispersion prism 31 faces the skylight 30, an exit surface faces the platform 20, to refract a rainbow toward the platform 20.

Through the above technical solution, in the optical adjustment device for a platform ceiling provided by the present disclosure, the optical adjustment device 100 is disposed below the skylight 30 and includes the dispersion prism 31, so that external sunlight can irradiate the dispersion prism 31 through the skylight 30, an incident surface of the dispersion prism 31 faces the skylight 30, and an exit surface faces the platform 20 to refract a rainbow toward the platform 20, and thus, the optical adjustment device of the present disclosure can refract the rainbow toward the platform 20 through the dispersion prism 31 by using sunlight, i.e., a natural light source, so that the sunlight can be effectively utilized, and the refracted rainbow can provide a wonderful visual experience for people on the platform 20, i.e., the optical adjustment device of the present disclosure can effectively utilize the sunlight and provide a better visual experience for people on the platform 20.

It should be noted that, the dispersion prism 31 can refract the prism toward the platform 20, that is, it is ensured that the rainbow is not refracted to other places except the platform 20, here, the optical adjustment apparatus of the present disclosure can implement this function through hardware, for example, by reasonably arranging the dispersion prism 31, and of course, the spatial posture of the dispersion prism 31 can also be adjusted through other parts, which is not limited by the present disclosure. In addition, the principle of the dispersion prism is well known to those skilled in the art, and the detailed description of the present disclosure is omitted.

According to the embodiment of the present disclosure, referring to fig. 2, the optical adjusting device includes a light-tight box 32 fixed below the skylight 30, the light-tight box 32 is formed with an upper window 321 located at an upper side and a lower window 322 located at a lower side, a plurality of dispersion prisms 31 sequentially arranged in a transverse direction of the platform 20 are fixed on the lower window 322 in the light-tight box 32, incident planes of the plurality of dispersion prisms 31 are parallel, exit planes of the plurality of dispersion prisms are parallel, a polarizer 33 located above the plurality of dispersion prisms 31 is disposed in the light-tight box 32, and the polarizer 33 is used for changing solar rays from the upper window 321 into parallel rays to irradiate onto the incident planes. Here, the solar rays are incident into the light-tight box 32 through the upper window 321, the path of the solar rays can be restricted from being emitted through the inner wall of the light-tight box 32, the solar rays are irradiated to the plurality of dispersion prisms 31 of the lower window 322 through the polarizing plate 33, where the polarizing plate 33 can filter the scattered solar rays into parallel rays, the parallel light is set to the incident plane of the dispersion prism 31, and since the incident planes of the dispersion prisms 31 are parallel and the emergent planes are parallel, therefore, after the parallel light rays irradiate the incident surface, the spatial arrangement of the monochromatic light of each same color of the rainbow scattered from the exit surface is consistent, the rainbow that can refract out the same space gesture promptly for personnel's on the platform 20 visual perception is better, avoids falling the crisscross appearance of the messy rainbow combination that forms of the rainbow of different gestures simultaneously.

It should be noted that the principle of the polarizer 33 is well known to those skilled in the art, and the details of the disclosure are not repeated herein. The plurality of dispersion prisms 31 may be triangular prisms or triangular pyramids, and the disclosure is not limited thereto.

According to some embodiments, referring to fig. 2 and 3, the optical adjustment device includes an angle adjustment mechanism 34 fixed in the light-tight box 32, and the angle adjustment mechanism 34 drives the polarizer 33 to move to change the posture relative to the upper window 321, so that the sunlight rays with different angles pass through the polarizer 33 and then irradiate onto the incident surface at a predetermined angle. In this way, the angle adjusting mechanism 34 can adjust the posture of the polarizing plate 33 with respect to the upper window 321, and since the solar rays are incident from the upper window 321 and the position of the sun with respect to the upper window 321 changes within one day, the posture of the polarizing plate 33 can be changed so that the parallel rays emitted from the polarizing plate 33 can be irradiated onto the incident surface at a predetermined angle, that is, the rainbow refracted by the dispersion prism 31 can be maintained at a specific spatial position, and thus the rainbow can be perceived at an optimum viewing angle.

It should be noted that the parallel light rays can be irradiated onto the incident surface at a predetermined angle, which is the incident angle of the dispersing prism 31, and according to some embodiments, the incident angle may be a brewster angle, so as to avoid the parallel light rays from being reflected on the dispersing prism 31, and to more effectively utilize the solar light source. Further, the angle adjusting mechanism 34 can adjust the posture of the polarizing plate 33 with respect to the upper window 321, and here, the angle adjusting mechanism 34 can rotate the polarizing plate 33, and the present disclosure will be described in detail in the following embodiments.

Alternatively, referring to fig. 2 and 3, the starting end of the polarizing plate 33 is connected to an angle adjusting mechanism 34, and the angle adjusting mechanism 34 drives the polarizing plate 33 to rotate about a horizontally extending pivot shaft. Here, the polarizing plate 33 is rotated about a horizontally extending pivot axis, i.e., the angle of the parallel rays emitted from itself with the incident surface of the dispersion prism 31 can be adjusted.

Alternatively, referring to fig. 2, the light-tight box 32 has a first side wall and a second side wall opposite to each other, the angle adjusting mechanism 34 is fixed to the first side wall, and the end of the polarizing plate 33 is slidably connected to an arc-shaped slide rail 35 fixed to the inner side of the second side wall, the arc-shaped slide rail 35 extending around the pivot axis. Like this, arc slide rail 35 plays the terminal slip that supplies polaroid 33 on the one hand, and on the other hand guarantees polaroid 33 and rotates steadily, avoids producing the effect that influences the rainbow such as rock. Here, according to some embodiments, as shown in fig. 1 and 2 with reference to fig. 1, the first side wall and the second side wall are respectively located on both sides of the ceiling 10 in the lateral direction (the left-right direction shown in fig. 1), and the pivot axis extends in the longitudinal direction perpendicular to the lateral direction.

According to some embodiments, referring to fig. 2, the optical adjustment device includes a controller 36 and a light sensing element 37, the light sensing element 37 is disposed on the upper window 321 to detect the angle of the sunlight, and the controller 36 is electrically connected to both the angle adjustment mechanism 34 and the light sensing element 37 for controlling the angle adjustment mechanism 34 to drive the polarizer 33 to move according to the angle of the sunlight detected by the light sensing element 37. Thus, the controller 36 can adjust the movement of the polarizer 33 according to the signal of the solar ray angle detected by the light sensing element 37, so that the whole adjusting process is automated, the working efficiency of the polarizer 33 is improved, and the maintenance cost is reduced. Here, the present disclosure does not limit the specific structure of the light sensing element 37.

In accordance with an embodiment of the present disclosure, and with reference to FIG. 2, the optical adjustment device includes a light adjustment mechanism including a light shield 38, the light shield 38 being movably disposed in the light-tight enclosure 32 to adjust the intensity of the illumination applied to the polarizer 33 from the upper window 321. In this way, the intensity of the parallel light rays emitted from the polarizing plate 33 can be adjusted, and the brightness of the rainbow can be adjusted, and the color filter can be adapted to various scenes.

According to some embodiments, referring to fig. 2, the light adjusting mechanism includes a controller 36 and a light sensing element 37, the light adjusting mechanism includes a driving device, the driving device is in transmission connection with the light shielding plate 38 to drive the light shielding plate 38 to move, the light sensing element 37 covers the upper window 321 to detect the illumination intensity of the sunlight, and the controller 36 is electrically connected with both the driving device and the light sensing element 37 to control the driving device to drive the light shielding plate 38 to move according to the illumination intensity of the sunlight detected by the light sensing element 37. Like this, this disclosure can automatic control realize to the adjustment of the illumination intensity of the sunray that shines, can realize the automation of above-mentioned illumination intensity promptly to can satisfy the scene of different demands illumination intensity.

Alternatively, the light shielding plate 38 may be a foldable plate capable of extending and contracting, and the driving device can drive the light shielding plate 38 to extend and contract, thereby adjusting the illumination intensity of the solar rays irradiated to the polarizing plate 33.

Alternatively, the light shielding plate 38 may be a movable plate capable of moving along a plane, and the driving device is capable of driving the light shielding plate 38 to move in the plane to change the shielding area for shielding the upper window 321.

Of course, the light shielding plate 38 may also adjust the intensity of the sunlight irradiated to the polarizer 33 by other movement methods, which is not limited by the present disclosure.

According to some embodiments, referring to fig. 1 and 2, the specific working process of the optical adjusting device of the present disclosure is that, first, external solar rays are incident into the opaque box 32 through the light sensing element 37, at this time, the light sensing element 37 feeds back the incident angle and the illumination intensity of the solar rays to the controller 36, then the controller 36 controls the driving device to drive the light shielding plate 38 to move to a desired position according to the currently required illumination intensity, and adjusts the posture of the polarizing plate 33 relative to the upper window 321 by controlling the angle adjusting mechanism 34, where the controller 36 can determine the posture kept by the polarizing plate 33 according to the refraction angle determined by the material of the dispersing prism 31 itself, the projection distance of the rainbow, and other parameters, so that the parallel rays emitted from the polarizing plate 33 irradiate the incident surface of the dispersing prism 31 at a predetermined angle, and at this time, the monochromatic light refracted from the dispersing prism 31 can be sequentially emitted to the platform 20 in a red-orange-green-blue-violet arrangement or a red-orange-green-blue, thereby forming a rainbow. Here, the wavelength of violet light is the shortest and the wavelength of red light is the longest in the monochromatic light, and therefore, the angle of refraction of violet light is the largest and the angle of refraction of red light is the smallest, and thus parallel rays of light project a brilliant spectrum from violet to red upon exiting the dispersion prism 31.

According to a second aspect of the present disclosure, there is provided a platform ceiling including the optical adjustment device 100 of the platform ceiling as above, and having all the advantages thereof, which the present disclosure does not limit. Here, the ceiling 10 above the platform 20 may be a ceiling on a cloud rail, and may also be a ceiling of a road train, which is not limited by the present disclosure.

According to an embodiment of the present disclosure, referring to fig. 1, the platform 20 includes substations located at both sides of a track area 40 for a rail train to travel, and the ceiling 10 is provided with an optical adjustment device 100 above each of the substations and the track area 40 to refract a rainbow at the corresponding substations and track area 40. In this way, the optical adjustment device 100 located above the rail transit zone 40 can refract a rainbow onto the rail train when the rail train arrives, so that the combination of the rail train and the rainbow gives a good visual feeling, for example, an impression that the rail train is full of science and technology and future feelings may be generated.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. An optical adjustment device for a platform ceiling, the ceiling (10) above a platform (20) being provided with a skylight (30) for passing through solar rays, characterized in that the optical adjustment device is arranged below the skylight (30) and comprises a dispersion prism (31), the entrance face of the dispersion prism (31) facing the skylight (30) and the exit face facing the platform (20) for refracting rainbow towards the platform (20).

2. A platform ceiling optical conditioning device according to claim 1, characterized in that the optical conditioning device comprises a light-tight box (32) fixed under the skylight (30), the light-tight box body (32) is provided with an upper window (321) positioned at the upper side and a lower window (322) positioned at the lower side, a plurality of dispersion prisms (31) which are sequentially arranged in the transverse direction of the platform (20) are fixed on the lower window (322) in the light-tight box body (32), the incident planes of the dispersion prisms (31) are parallel, and the emergent planes are parallel, a polaroid (33) positioned above the plurality of dispersion prisms (31) is arranged in the light-tight box body (32), the polaroid (33) is used for changing the solar rays from the upper window (321) into parallel rays to irradiate the incidence plane.

3. The optical adjustment device for a platform ceiling according to claim 2, wherein the optical adjustment device comprises an angle adjustment mechanism (34) fixed in the light-tight box (32), and the angle adjustment mechanism (34) drives the polarizing plate (33) to move to change the posture relative to the upper window (321), so that the sunlight rays with different angles pass through the polarizing plate (33) and then irradiate onto the incident surface at a predetermined angle.

4. A station ceiling optical adjustment device according to claim 3, characterized in that the start end of the polarizing plate (33) is connected to the angle adjustment mechanism (34), and the angle adjustment mechanism (34) drives the polarizing plate (33) to rotate around a horizontally extending pivot shaft.

5. A station ceiling optical adjustment device according to claim 4, characterized in that the light-tight box (32) has a first side wall and a second side wall opposite to each other, the angle adjustment mechanism (34) is fixed to the first side wall, the polarizing plate (33) is slidably connected at its distal end to an arc-shaped slide rail (35) fixed to the inside of the second side wall, the arc-shaped slide rail (35) extending around the pivot axis.

6. An optical adjustment device for a platform ceiling according to claim 3, characterized in that the optical adjustment device comprises a controller (36) and a light sensing element (37), the light sensing element (37) is disposed on the upper window (321) to detect the angle of the sunlight, and the controller (36) is electrically connected to both the angle adjustment mechanism (34) and the light sensing element (37) for controlling the movement of the polarizer (33) driven by the angle adjustment mechanism (34) according to the angle of the sunlight detected by the light sensing element (37).

7. A platform ceiling optical adjustment device according to claim 2, characterized in that the optical adjustment device comprises a light adjustment mechanism comprising a light shielding plate (38), the light shielding plate (38) being movably disposed in the light-tight box (32) to adjust the intensity of the light irradiated from the upper window (321) to the polarizer (33).

8. The optical adjustment device for a platform ceiling of claim 7, wherein the light adjustment mechanism comprises a controller (36) and a light sensing element (37), the light adjustment mechanism comprises a driving device, the driving device is in transmission connection with the light shielding plate (38) to drive the light shielding plate (38) to move, the light sensing element (37) covers the upper window (321) to detect the illumination intensity of the sunlight, and the controller (36) is electrically connected with the driving device and the light sensing element (37) and is used for controlling the driving device to drive the light shielding plate (38) to move according to the illumination intensity of the sunlight detected by the light sensing element (37).

9. A platform ceiling, characterized in that it comprises an optical adjustment device (100) of a platform ceiling according to any one of claims 1 to 8.

10. A platform ceiling according to claim 9, characterised in that the platforms (20) comprise sub-platforms on both sides of a track area (40) for the travel of rail trains, the ceiling (10) being provided with the optical adjusting device (100) above both the sub-platforms and the track area (40) to refract rainbow at the respective sub-platforms and the track area (40).