Fan screen splicing display system and method for eliminating overlapped shadows
Technical Field
The invention relates to the technical field of fan screen display, in particular to a fan screen splicing display system and a method for eliminating overlapped shadows by the fan screen splicing display system.
Background
The fan screen displays the 3D image by using the persistence of vision effect, so that the 3D image displayed by using the fan screen can be directly seen through naked eyes without other auxiliary equipment.
The fan screen among the prior art all is single under the general condition and shows, because its size of single demonstration is limited, therefore its display effect is single, if the flabellum size of single fan screen increases, then marginal resolution ratio can obviously reduce, also has some combination fan screens to carry out simple piece together with many fan screen screens, can have great shadow in the edge of the display screen of adjacent fan screen, has influenced its display effect.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the foregoing defects of the prior art, an object of the present invention is to provide a fan-screen tiled display system and a method for eliminating overlapped shadows thereof, which can eliminate the problem of generating shadows at the edge of the display screen of the fan screen and improve the display effect.
The technical scheme of the invention is as follows:
a fan screen tiled display system, comprising:
the display areas of two adjacent fan screens are not on the same plane and are partially overlapped when the fan screens rotate to display;
the fan screens comprise driving motors, rotating disks arranged on output shafts of the driving motors and fan blades arranged on the rotating disks;
a control panel is arranged in the rotating disc, and a row of LED lamp beads is arranged in the middle of the upper surface of each fan blade;
the flabellum sets up long strip, the both sides of the outer tip of flabellum are provided with the breach of mutual symmetry, have reduced the turn round angle size of flabellum, the front end portion of breach sets up to leaning out.
Preferably, the notch occupies one quarter of the entire length of the fan blade.
Preferably, when the fan blades of two adjacent fan screens rotate to be collinear, the overlapping length of the fan blades of two adjacent fan screens is larger than the maximum length of the notch.
Preferably, the side end of the notch abuts against the LED lamp bead.
Preferably, the number of fan blades is 2, 4 or 6.
Preferably, when the number of the fan blades is 2, 2 fan blades form a straight line;
when the number of the fan blades is 4, the 4 fan blades form a cross shape;
when the number of the fan blades is 6, the 6 fan blades form a meter shape.
Preferably, a plurality of said fan screens are mounted on a vertically disposed mounting bracket.
Preferably, the fan screen splicing display system further comprises a master controller for controlling the plurality of fan screens to work.
The invention also provides a method for eliminating overlapped shadows by the fan screen splicing display system, which is realized by the fan screen splicing display system.
Preferably, the method for eliminating the overlapped black shadow of the fan screen tiled display system comprises the following steps:
measuring torsion angles of the fan screens in rotation in real time, and sending measured torsion angle data to a master controller;
and the total controller controls the rotating speed of the fan screen and the display brightness of the overlapping area according to the torsion angle data.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
according to the fan screen splicing display system and the method for eliminating the overlapped shadows, the notches which are symmetrical to each other are arranged on the two sides of the outer end parts of the fan blades, so that the overlapped area and the torsional angle of the two fan blades are reduced, the problem of the shadows generated on the edge of a display picture of the fan screen is eliminated by reducing the torsional angle, and the display effect is improved.
Drawings
In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic perspective view of a fan-screen tiled display system according to a preferred embodiment of the present invention.
FIG. 2 is a left side view of a fan screen tiled display system according to a preferred embodiment of the present invention.
FIG. 3 is a flowchart illustrating a method for eliminating overlapped dark shadows in a tiled fan-screen display system according to an embodiment of the present invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As shown in fig. 1 and fig. 2, a fan screen tiled display system according to a preferred embodiment of the present invention includes: the display areas of two adjacent fan screens 100 during rotating display are not on the same plane and are partially overlapped; the fan screens 100 all comprise a driving motor 101, a rotating disc 102 arranged on an output shaft of the driving motor 101 and fan blades 103 arranged on the rotating disc 102; a control panel (not shown in the figure) is arranged in the rotating disc 103, and a row of LED lamp beads 113 is arranged in the middle of the upper surface of the fan blade 103; the fan blade 103 is arranged in a long strip shape, notches 123 which are symmetrical to each other are arranged on two sides of the outer end portion of the fan blade 103, the torsional angle of the fan blade 103 is reduced, and the front end portion of each notch 123 is arranged in an outward inclined mode.
The notches 123 which are symmetrical to each other are arranged on the two sides of the outer end part of the fan blade 103, so that the overlapping area and the torsional angle of the two fan blades are reduced, the problem of generating black shadows at the edge of a display picture of the fan screen is solved by reducing the torsional angle, and the display effect is improved.
In a further preferred embodiment of the present invention, the gap 123 occupies a quarter of the length of the fan blade 103.
In a further preferred embodiment of the present invention, when the blades of two adjacent fan screens 100 rotate to be collinear, the overlapping length of the blades of two adjacent fan screens 100 is greater than the maximum length of the notch 123.
In a further preferred embodiment of the present invention, the side end of the gap 123 is close to the LED lamp bead.
In a further preferred embodiment of the present invention, the number of the fan blades 103 is 2, 4 or 6.
In a further preferred embodiment of the present invention, when the number of the fan blades 103 is 2, 2 fan blades form a straight line; when the number of the fan blades 103 is 4, the 4 fan blades form a cross shape; when the number of the fan blades 103 is 6, the 6 fan blades form a meter shape.
In a further preferred embodiment of the present invention, a plurality of said fan screens 100 are mounted on a vertically disposed mounting frame (not shown).
In a further preferred embodiment of the present invention, the fan screen splicing display system further includes a master controller (not shown in the figure) for controlling a plurality of fan screens to operate.
The invention also provides a method for eliminating overlapped shadows by the fan screen splicing display system, which is realized by the fan screen splicing display system.
As shown in fig. 3, the method for eliminating overlapping shadows by the fan screen tiled display system includes the following steps:
s100, measuring torsion angles of a plurality of fan screens in real time during rotation, and sending measured torsion angle data to a master controller;
and S200, controlling the rotating speed of the fan screen and the display brightness of the overlapping area by the master controller according to the torsion angle data.
In summary, the fan screen splicing display system and the method for eliminating the overlapped shadows thereof provided by the invention comprise: the display areas of two adjacent fan screens are not on the same plane and are partially overlapped when the fan screens rotate to display; the fan screens comprise driving motors, rotating disks arranged on output shafts of the driving motors and fan blades arranged on the rotating disks; a control panel is arranged in the rotating disc, and a row of LED lamp beads is arranged in the middle of the upper surface of each fan blade; the flabellum sets up the growing up strip, the both sides of the outer tip of flabellum are provided with the breach of mutual symmetry, have reduced the turn round angle size of flabellum, the front end portion of breach leans out the setting, is provided with the breach of mutual symmetry through the both sides at the outer tip of flabellum, has just so reduced the overlap area and the turn round angle size of two flabellums, and through the size that reduces the turn round angle, the edge that eliminates fan screen display picture produces the problem of shadow, has improved display effect.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.