CN111708181A - 3D display for rotating 2D screen to display 3D model and pixel arrangement mode thereof - Google Patents
3D display for rotating 2D screen to display 3D model and pixel arrangement mode thereof Download PDFInfo
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- CN111708181A CN111708181A CN202010000453.XA CN202010000453A CN111708181A CN 111708181 A CN111708181 A CN 111708181A CN 202010000453 A CN202010000453 A CN 202010000453A CN 111708181 A CN111708181 A CN 111708181A
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- 239000005341 toughened glass Substances 0.000 claims description 3
- 229920002972 Acrylic fiber Polymers 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
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Abstract
The invention discloses a 3D display for performing 3D model display by rotating a 2D screen and a pixel arrangement mode of the 3D display, and the 3D display comprises a shell, the 2D display and a driving circuit board, wherein the output end of the driving circuit board is in signal connection with the input end of the 2D display, the bottom end inside the shell is fixedly connected with a base, one end inside the base is provided with a power supply wire hole, and the middle part of the top end of the base is fixedly connected with a reduction gearbox through a fixing screw. According to the invention, the transmission shaft is conveniently driven to rotate by the direct current motor through the reduction gearbox, the direct current motor and the transmission shaft, when the transmission shaft rotates to a specified angle, the image data to be displayed is sent to the driving circuit board by the single chip core module, so that the image on the 2D display screen rotating at a high speed can display the whole 3D model, the displayed 3D model can be simultaneously viewed at any position in 360 degrees in the horizontal direction and 315 degrees in the vertical direction, and the viewed content is the visual angle content of the 3D model at the position corresponding to the observation point.
Description
Technical Field
The utility model relates to a display device technical field, in particular to 3D display and pixel arrangement mode that rotatory 2D screen carries out 3D model display.
Background
The display is also commonly referred to as a monitor. The display is an I/O device belonging to a computer, namely an input/output device. The electronic document display tool is a display tool which displays a certain electronic document on a screen through a specific transmission device and reflects the electronic document to human eyes.
At present, the field of naked eye 3D displays uses a mode of adding gratings to a liquid crystal display to display a 3D image. The principle of this 3D image display method is to make two eyes see different images at the same time, so that a person feels the stereoscopic impression of the images, but this method has viewing distance limitation and viewing angle limitation, which is still the illusion that a 2D display is formed by just letting eyes at a certain angle see different images. It does not represent a true 3D model.
Disclosure of Invention
The invention mainly aims to provide a 3D display for performing 3D model display by rotating a 2D screen and a pixel arrangement mode thereof, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
A3D display for rotating a 2D screen to display a 3D model comprises a shell, a 2D display screen and a driving circuit board, the output end of the driving circuit board is in signal connection with the input end of the 2D display screen, the bottom end inside the shell is fixedly connected with a base, one end of the inside of the base is provided with a power cord hole, the middle part of the top end of the base is fixedly connected with a reduction box, the middle part inside the reduction gearbox is fixedly connected with a direct current motor, the top end of the direct current motor is connected with a transmission shaft in a transmission way, the two ends of the top end of the base are fixedly connected with a display fixing bracket through fixing bolts, the top end of the transmission shaft is provided with a driving circuit board, the display screen fixing support is fixedly connected to the middle of the top end of the driving circuit board through a fixing nut, and the 2D display screen is fixedly connected to the middle of the top end of the display screen fixing support.
Furthermore, the shell is a transparent acrylic plastic shell or toughened glass, the shell is arranged around the surface of the base, and the cross section of the shell is of a circular structure.
Further, the display screen fixed bolster sets up under the 2D display screen, the display screen fixed bolster is provided with the spacing groove with the junction of 2D display screen, the display screen fixed bolster is rectangle block structure.
Further, the rotational speed of the dc motor is at least 24 revolutions per second.
Further, the 2D display screen drives the maximum rotation angle of transmission shaft rotation back through direct current motor and is 360 degrees, pixel on the 2D display screen is equidistant distribution on the vertical plane.
The 2D display screen rotates at a high speed according to the geometric central axis, when the 2D display screen rotates to an angle alpha, the 3D display driving module detects the rotation angle of the 2D display screen, and then the 3D display driving module controls the 2D display screen to display the 3D model
Sectional images of the angle. Wherein
N is half the number of horizontal pixels of the 2D display screen described above. When the section images of all angles in 360 degrees are displayed, the section images form a complete 3D model, so that the effect of displaying the 3D model is achieved.
Example 1: n isi＝njH and i, j 1, 2.. N. The pixel points are distributed in the 2D display screen at the same interval.
Example 2: h in FIG. 7 is a fixed length, niIs of indefinite length and i is 0, 1. For the horizontal direction have
J-1, 2, … N and k-0. k starts to cycle from 0 and 1 until j equals j, then j adds 1, and then k starts to cycle from 0 and 1 until j equals N, so that N is the same as NiWhere the sequence of i ═ 0, 1.. N is
The result of all values of j being 1, 2.. N and k 0, in descending order, so that N is presenti-1＜ni＜ni+1. For example, n when j is 1 and k is 01H. When j is 1 and k is 1
When j is 2 and k is 0
And so on.
In order to achieve the above-mentioned effects,
further provides a construction mode of the 3D pixel space by the two embodiments.
Example 1:
this embodiment corresponds to the above-mentioned embodiment 1 of the 2D display screen pixel point distribution, and the 2D display screen pixel points are distributed at equal intervals on the vertical plane, and expressed as the z-axis in the vertical direction and the x-axis in the horizontal direction by using a rectangular coordinate system. The rotation direction around the z axis is expressed by a polar coordinate system, α is an angle of the polar coordinate system, and x is a radius of the polar coordinate system.
Example 2:
this embodiment corresponds to embodiment 2 of the above-mentioned 2D display screen pixel point distribution, and the 2D display screen pixel points are distributed on the vertical plane as described in embodiment 2 above. The entire 3D space now uses a rectangular coordinate system. Specifically, the z-axis is in the vertical direction on the 2D display screen, and the x-axis is in the horizontal direction from the rotation center point to the infrared module stator. The horizontal direction is perpendicular to the x-axis and the z-axis is the y-axis. At the moment, each pixel point in the x-axis direction can only be displayed when the rotation interval is 45 degrees, and the offset included angle between the pixel point and the x-axis is
Wherein j and k are the same as those described in embodiment 2 of the 2D display screen.
The 3D drive control module is connected to the reduction motor through a rotating shaft.
The 3D display driving module is rotated through the speed reducing motor, and meanwhile, the wireless power supply transmitting end is used for supplying power to the driving control module. The drive control module is connected with the mobile phone APP through the WIFI module, and receives and displays the 3D model data sent by the mobile phone APP. The driving module calculates a rotation period through the infrared sensing module so as to calculate the rotation angle of the current 2D display screen by equally dividing the period. The 3D display driving module drives the 2D display screen by using the 2D driving module, and displays the 2D sectional image corresponding to the 3D model when the driving module rotates to different angles. Therefore, when the sectional images of all angles of 360 degrees are displayed, the sectional images form a complete 3D model, and the effect of displaying the 3D model is achieved.
The 3D display driving module is rotated through the speed reducing motor, and meanwhile, the wireless power supply transmitting end is used for supplying power to the driving control module. The drive control module is connected with the mobile phone APP through the WIFI module, and receives and displays the 3D model data sent by the mobile phone APP. The driving module calculates a rotation period through the infrared sensing module so as to calculate the rotation angle of the current 2D display screen by equally dividing the period. The 3D display driving module drives the 2D display screen by using the 2D driving module, and displays the 2D sectional image corresponding to the 3D model when the driving module rotates to different angles. Therefore, when the sectional images of all angles of 360 degrees are displayed, the sectional images form a complete 3D model, and the effect of displaying the 3D model is achieved.
Compared with the prior art, the invention has the following beneficial effects:
(1): according to the invention, the 2D display screen, the driving circuit board, the display screen fixing support and the display fixing support are arranged, so that the 2D display screen is conveniently embedded and fixed on the display screen fixing support through the display screen fixing support, the 2D display screen is fixed, the whole display screen fixing support is conveniently fixed through the display fixing support and is prevented from loosening, and the singlechip, the crystal oscillator circuit, the reset circuit, the program burning interface, the power indicator lamp and the power interface which are arranged in the driving circuit board are conveniently driven to realize the work of displaying images through the WIFI module, the infrared receiving module and the 2D display driving module;
(2): according to the invention, the reduction gearbox, the direct current motor and the transmission shaft are arranged, the transmission shaft can be conveniently driven to rotate by the direct current motor, when the single chip core module rotates to a specified angle, image data to be displayed is sent to the driving circuit board, so that the image on the 2D display screen which rotates at a high speed can display the whole 3D model, the displayed 3D model can be simultaneously viewed at any position in 360 degrees in the horizontal direction and 315 degrees in the vertical direction, and the viewed content is the visual angle content of the 3D model at the position corresponding to the observation point.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is a schematic side view of the present invention in its entirety;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic diagram of a driving module of a 3D display;
FIG. 5 is a schematic diagram of a core circuit of a driving module of the 3D display;
FIG. 6 is a schematic diagram of a 2D display driving scheme for a 3D display;
fig. 7 is a schematic diagram of a 2D display screen pixel point distribution of a 3D display.
In the figure: 1. a 2D display screen; 2. a housing; 3. a display screen fixing bracket; 4. a drive circuit board; 5. a display fixing bracket; 6. fixing the bolt; 7. a direct current motor; 8. a base; 9. a power line hole; 10. a reduction gearbox; 11. a drive shaft; 12. and (5) fixing the nut.
Detailed Description
Technical means for implementing the present invention; authoring features; the purpose and function of the present invention will be readily apparent from the following detailed description.
As shown in fig. 1-7, a 3D display for rotating a 2D screen to perform 3D model display includes a housing 2, a 2D display screen 1 and a driving circuit board 4, an output end of the driving circuit board 4 is in signal connection with an input end of the 2D display screen 1, an inner bottom end of the housing 2 is fixedly connected with a base 8, one end of the inner portion of the base 8 is provided with a power line hole 9, a top middle portion of the base 8 is fixedly connected with a reduction gearbox 10, the inner middle portion of the reduction gearbox 10 is fixedly connected with a dc motor 7, a top end of the dc motor 7 is in transmission connection with a transmission shaft 11, two ends of the top end of the base 8 are fixedly connected with a display fixing support 5 through fixing bolts 6, the top end of the transmission shaft 11 is provided with the driving circuit board 4, the top middle portion of the driving circuit board 4 is fixedly connected with the, the top middle part of display screen fixed bolster 3 fixedly connected with 2D display screen 1.
Wherein, the shell 2 be transparent ya keli plastic casing or toughened glass, the shell 2 sets up around the surface of base 8, the cross-section of shell 2 is circular column structure.
The display screen fixing support 3 is arranged under the 2D display screen 1, a limiting groove is formed in the joint of the display screen fixing support 3 and the 2D display screen 1, and the display screen fixing support 3 is of a rectangular block structure.
Wherein the rotation speed of the direct current motor 7 is at least 24 revolutions per second.
The 2D display screen 1 drives the transmission shaft 11 through the direct current motor 7 to rotate, and then the maximum rotation angle is 360 degrees, and pixel points on the 2D display screen 1 are distributed at equal intervals on a vertical plane.
It should be noted that, the invention is a 3D display for rotating a 2D screen to perform 3D model display, a transmission shaft 11 at the top end is driven by a dc motor 7 to make the 2D display screen 1 rotate, because under the action of a driving circuit board 4, the driving circuit board 4 is driven by data processing and the 2D display screen 1, so that the driving circuit board 4 can conveniently control the display content to perform 3D model display after rotating, each time the 2D display screen 1 rotates by an angle, a section image of a 3D image at the angle is displayed on the 2D display screen 1, and because the transmission shaft 11 is located at the center of the 2D display screen 1, all section images of the 3D image can be displayed completely when the 2D display screen 1 rotates by 180 degrees, images viewed at any angle at any time from a plurality of observation points are 2D images of the 3D model corresponding to the viewing angle, the display of the 3D image in its true sense is achieved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a rotatory 2D screen carries out 3D display that 3D model shows, includes shell (2), 2D display screen (1) and drive circuit board (4), the output of drive circuit board (4) and the input signal connection of 2D display screen (1), its characterized in that: the utility model discloses a display screen, including shell (2), inside bottom fixedly connected with base (8), the inside one end of base (8) is opened there is power cord hole (9), the top middle part fixedly connected with reducing gear box (10) of base (8), the inside middle part fixedly connected with direct current motor (7) of reducing gear box (10), the top transmission of direct current motor (7) is connected with transmission shaft (11), fixing bolt (6) fixedly connected with display fixed bolster (5) are passed through at the top both ends of base (8), the top of transmission shaft (11) is provided with drive circuit board (4), fixation nut (12) fixedly connected with display screen fixed bolster (3) are passed through at the top middle part of drive circuit board (4), the top middle part fixedly connected with 2D display screen (1) of display screen fixed bolster (3).
2. A 3D display for 3D model display by rotating 2D screen according to claim 1, characterized in that: the shell (2) is a transparent acrylic plastic shell or toughened glass, the shell (2) is arranged on the periphery of the surface of the base (8), and the cross section of the shell (2) is of a circular structure.
3. A 3D display for 3D model display by rotating 2D screen according to claim 1, characterized in that: the display screen fixing support (3) is arranged under the 2D display screen (1), a limiting groove is formed in the joint of the display screen fixing support (3) and the 2D display screen (1), and the display screen fixing support (3) is of a rectangular block structure.
4. A 3D display for 3D model display by rotating 2D screen according to claim 1, characterized in that: the rotational speed of the direct current motor (7) is at least 24 revolutions per second.
5. A 3D display for 3D model display by rotating 2D screen according to claim 1, characterized in that: the 2D display screen (1) drives the maximum rotation angle of transmission shaft (11) through direct current motor (7) after rotating and is 360 degrees, pixel on 2D display screen (1) is equidistant distribution on the vertical plane.
6. A pixel arrangement of a 3D display for 3D model display by rotating a 2D screen according to any one of claims 1-5, wherein: the horizontal direction is
Wherein j is 1, 2.. N and k is 0.. j. k starts to cycle from 0 and 1 until j equals j, then j adds 1, and then k starts to cycle from 0 and 1 until j equals N, so that N is the same as NiWhere the sequence of i ═ 0, 1.. N is
The result of all values of j being 1, 2,. N and k 0, i.j, ordered from small to large, is thus present Ni-1＜ni＜ni+1(ii) a N when j is 1 and k is 01H; when j is 1 and k is 1
When j is 2 and k is 0
And so on.
7. The pixel arrangement of a 3D display for 3D model display by rotating a 2D screen according to claim 6, wherein: pixel points of the 2D display screen are distributed on a vertical plane at equal intervals, and are expressed as a z-axis in the vertical direction and an x-axis in the horizontal direction by using a rectangular coordinate system; expressing the rotation direction with the z axis as the center by using a polar coordinate system, wherein alpha is the angle of the polar coordinate system, and x is the radius of the polar coordinate system;
the 3D space uses a rectangular coordinate system;
the direction of the 2D display screen in the vertical direction is a z-axis, and the direction from the rotation center point to the infrared module stator in the horizontal direction is an x-axis; the horizontal direction is vertical to the x axis and the z axis and is a y axis; each pixel point in the x-axis direction is only displayed when the rotation interval is 45 degrees, and the offset included angle between the pixel point and the x-axis is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010000453.XA CN111708181A (en) | 2020-01-02 | 2020-01-02 | 3D display for rotating 2D screen to display 3D model and pixel arrangement mode thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010000453.XA CN111708181A (en) | 2020-01-02 | 2020-01-02 | 3D display for rotating 2D screen to display 3D model and pixel arrangement mode thereof |
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| CN111708181A true CN111708181A (en) | 2020-09-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068327A (en) * | 2020-09-29 | 2020-12-11 | 雷文昌 | Holographic projector rotating according to central axis and pixel arrangement mode thereof |
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- 2020-01-02 CN CN202010000453.XA patent/CN111708181A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112068327A (en) * | 2020-09-29 | 2020-12-11 | 雷文昌 | Holographic projector rotating according to central axis and pixel arrangement mode thereof |
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