CN110232883A - A kind of fan screen display system of optical signal data transmission - Google Patents
A kind of fan screen display system of optical signal data transmission Download PDFInfo
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- CN110232883A CN110232883A CN201910493184.2A CN201910493184A CN110232883A CN 110232883 A CN110232883 A CN 110232883A CN 201910493184 A CN201910493184 A CN 201910493184A CN 110232883 A CN110232883 A CN 110232883A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/005—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes forming an image using a quickly moving array of imaging elements, causing the human eye to perceive an image which has a larger resolution than the array, e.g. an image on a cylinder formed by a rotating line of LEDs parallel to the axis of rotation
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of fan screen display systems of optical signal data transmission, comprising: driving motor；LED display module, while controlling LED display module rotation by driving motor, lightening LED lamp pearl shows image；Acceleration transducer, the acceleration transducer are used to measure the angular speed of driving motor rotation, and the acceleration transducer is arranged in LED display module；Photoelectricity sending module, the photoelectricity sending module are used to the electrical signal data of the image to be displayed received switching to optical signal data；Opto-electronic receiver module, the opto-electronic receiver module are used to receive the optical signal data of photoelectricity sending module transmission, and the optical signal data received is demodulated to be sent to fpga chip；Fpga chip, the fpga chip, which is used to control driving motor to rotate and pass through LED display module, shows image.The present invention can achieve the purpose that Three-dimensional Display, meanwhile, effective solution communication unstable problem.
Description
Technical field
The present invention relates to the fan screen displays that fan screen field of display technology more particularly to a kind of optical signal data are transmitted
Show system.
Background technique
In quick movement, after the image that human eye is seen disappears, human eye remains to continue to retain its image 0.1- object
0.4 second or so image, this phenomenon are referred to as visual persistence phenomenon.When human eye watches object, image on retina, and by
Optic nerve inputs human brain, feels the picture of object.But when object is removed, optic nerve will not disappear to the impression of object immediately,
And to continue 0.1-0.4 seconds time, this property of human eye is referred to as " persistence of visions of eyes ".
Visual persistence phenomenon is used by Chinese first, and revolving horse lantern is according to persistence of vision fortune earliest in historical records
With.Have revolving horse lantern when the Song dynasty, claimed " horse rides lamp " at that time.Subsequent Frenchman sieve Borrow, which is covered, invented thaumatrope in 1828,
It is the disk passed through by rope on two sides, and the one side of disk has drawn a bird, and another side has drawn an empty cage.Work as circle
When disc spins, bird occurs in cage, this demonstrate that it once retains an image when eyes see a series of images.
Likewise, fan screen shows 3D rendering also with visual persistence effect.
Fan screen display system in the prior art, core control panel are to be used to control LED in setting LED light bar
Lamp bar rotation and lightening LED lamp pearl, when fan screen display when, core control panel be rotated together with driving motor, if
The angular speed of driving motor rotation is excessive, and the onboard wireless signal dual-mode antenna being arranged on core control panel can follow driving electricity
Machine high speed rotation, it is assumed that if radius of the installation site of antenna from Plane of rotation is 15cm, the speed of driving motor rotation is
In the case where 900rpm/s, the linear velocity of wireless signal dual-mode antenna is equivalent to: 3.14*0.15*2*900=847m/s, this
Sample will have large effect to the transmitting-receiving of wireless signal, cause wireless signal transmission unstable, data transfer bandwidth is low.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of fan screens of optical signal data transmission
Display system, effective solution signal transmit unstable problem.
Technical scheme is as follows:
A kind of fan screen display system of optical signal data transmission comprising:
Driving motor；
LED display module, while controlling LED display module rotation by driving motor, lightening LED lamp pearl shows figure
Picture；
Acceleration transducer, the acceleration transducer are used to measure the angular speed of driving motor rotation, the acceleration
Sensor is arranged in LED display module；
Photoelectricity sending module, the photoelectricity sending module is for switching to the electrical signal data of the image to be displayed received
Optical signal data；
Opto-electronic receiver module, the opto-electronic receiver module are used to receive the optical signal data of photoelectricity sending module transmission, and
The optical signal data received is demodulated to be sent to fpga chip；
Fpga chip, the fpga chip, which is used to control driving motor to rotate and pass through LED display module, shows image；
The fpga chip includes:
Data signal reception module, the data signal reception module is for receiving the number that opto-electronic receiver module transfer comes
According to；
Data coding/decoding module, the data that the data coding/decoding module is used to receive data-signal receiving module into
Row encoding and decoding；
Display control module, the display control module data that coding/decoding module recompiles for receiving data letter
Number；
Motor control module, the motor control module are used to control the revolving speed of driving motor；
The photoelectricity sending module and opto-electronic receiver module being capable of relative rotation.
It preferably, include contact and contactless two kinds of connections between the photoelectricity sending module and opto-electronic receiver module
Mode:
The contact connection type is that smooth wheel is provided between photoelectricity sending module and opto-electronic receiver module, is passed through
The smooth wheel separates photoelectricity sending module and opto-electronic receiver module；
The contactless connection type is that a gap, institute are provided between photoelectricity sending module and opto-electronic receiver module
The size for stating gap is millimeter rank.
Preferably, the photoelectricity sending module is connected with a communication interface, and the communication interface is for receiving figure to be shown
The electrical signal data of picture.
Preferably, the communication interface be HDMI interface, USB interface, MIPI interface, EDP interface, LVDS interface,
LIGHTING interface or USB interface.
Preferably, the data coding/decoding module includes at least one of following coding/decoding modules:
The first coding/decoding module of encoding and decoding is carried out for the data to HDMI interface or USB interface transmission；
Data for transmitting to MIPI interface, EDP interface or LVDS interface carry out the second coding/decoding module of encoding and decoding；
Data for transmitting to LIGHTING interface carry out the third coding/decoding module of encoding and decoding；
Data for transmitting to USB interface carry out the 4th coding/decoding module of encoding and decoding.
Preferably, the fpga chip further include:
SOC module, the SOC module are used to run the operating system software of open source.
Preferably, the fpga chip further include:
FLASH module, the FLASH module is for the information of storage program area software and the letter of fan screen display system
Breath.
Preferably, the FLASH module is connected with an external bus control module for control bus receiving and transmitting signal.
Preferably, the motor control module includes:
Velocity feedback module, the velocity feedback unit are used to feed back the rotary speed information of current driving motor.
Preferably, the fpga chip further include:
Plug-in DDR memory module and/or FLASH module.
Compared with prior art, the embodiment of the present application mainly have it is following the utility model has the advantages that
The fan screen display system of optical signal data provided by the present invention transmission, photoelectricity sending module will receive to
The electrical signal data of display image switchs to optical signal data and is sent to opto-electronic receiver module, and opto-electronic receiver module receives optical signal
After data, optical signal data is demodulated into electrical signal data to be sent to data signal reception module, data signal reception mould
Block carries out encoding and decoding to these data, the data recompiled is sent to display control module, display control module control is driven
Dynamic motor and LED display module show image to be shown, thus achieve the purpose that show Three-dimensional Display, it is effective to solve
The unstable problem of communication of having determined.
Detailed description of the invention
In order to illustrate more clearly of the scheme of the application, one will be made to attached drawing needed in embodiment description below
A simple introduction, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ordinary skill
For personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the module diagram of the fan screen display system preferred embodiment of the optical signal data transmission in the present invention.
Fig. 2 is the fpga chip in the fan screen display system preferred embodiment of the optical signal data transmission in the present invention
Module diagram.
Specific embodiment
Unless otherwise defined, all technical and scientific terms used herein and the skill for belonging to present techniques field
The normally understood meaning of art personnel is identical；It is specific that description is intended merely in the term used in the description of application herein
The purpose of embodiment, it is not intended that in limitation the application；In the description and claims of this application and above-mentioned Detailed description of the invention
Term " includes " and " having " and their any deformation, it is intended that cover and non-exclusive include.The explanation of the application
Book and claims or term " first " in above-mentioned attached drawing, " second " etc. rather than are used for for distinguishing different objects
Particular order is described.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
As depicted in figs. 1 and 2, a kind of fan screen for optical signal data transmission that present pre-ferred embodiments provide shows system
System comprising:
Driving motor 100；
LED display module 200, while controlling the rotation of LED display module 200 by driving motor 100, lightening LED lamp
Pearl shows image；
Acceleration transducer 300, the acceleration transducer 300 are used to measure the angular speed of the rotation of driving motor 100, institute
Acceleration transducer 300 is stated to be arranged in LED display module 200；
Photoelectricity sending module 400, the telecommunications number for the image to be displayed that the photoelectricity sending module 400 is used to receive
According to switching to optical signal data；
Opto-electronic receiver module 500, the opto-electronic receiver module 500 are used to receive the light letter of the transmission of photoelectricity sending module 400
Number, and the optical signal data received is demodulated to be sent to fpga chip 600；
Fpga chip 600, the fpga chip 600 is for controlling the rotation of driving motor 100 and passing through LED display module
200 display images；
The fpga chip 600 includes:
Data signal reception module 601, the data signal reception module 601 is for receiving the biography of opto-electronic receiver module 500
The defeated data to come；
Data coding/decoding module 602, what the data coding/decoding module 602 was used to receive data-signal receiving module
Data carry out encoding and decoding；
Display control module 603, the number that coding/decoding module recompiles for receiving data of display control module 603
It is believed that number；
Motor control module 604, the motor control module 604 are used to control the revolving speed of driving motor 100；
The fpga chip 600 is connect by control bus with LED display module 200, the photoelectricity sending module 400 and
Opto-electronic receiver module 500 being capable of relative rotation.
The working principle of present pre-ferred embodiments are as follows:
The electrical signal data of the image to be displayed received is switched to optical signal data and is sent to light by photoelectricity sending module 400
Optical signal data after opto-electronic receiver module 500 receives optical signal data, is demodulated electrical signal data by electric receiving module 500
It is sent to data signal reception module 601, data signal reception module 601 carries out encoding and decoding to these data, will again
The data of coding are sent to display control module 603, and display control module 603 controls driving motor 100 and LED display module
200 show image to be shown.
Present invention image data to be shown passes through optical signal transmission to the fpga chip 600, the fpga chip 600
In data signal reception module 601 after receiving the image data to be shown, by data coding/decoding module 602 to this
Data re-start encoding and decoding, and the data of encoding and decoding again are then sent to display control module 603, display control module
603 control driving motors 100 and LED display module 200 are shown, first the data transmission of display are carried out encoding and decoding again, improved
The speed of its encoding and decoding.
The data signal reception module 601 support simultaneously same interface single channel or two-way video data it is defeated
Enter, but be not limited to same interface while including the reception of the parallel data of distinct interface, and the data received are stored
It in the data cache of FPGA, while also including directly conveying data to data coding/decoding module 602.
In the further preferred embodiment of the present invention, include between the photoelectricity sending module 400 and opto-electronic receiver module 500
Contact and contactless two kinds of connection types:
The contact connection type is smooth to be provided between photoelectricity sending module 400 and opto-electronic receiver module 500
Wheel is separated photoelectricity sending module and opto-electronic receiver module by the smooth wheel；
The contactless connection type is to be provided with one between photoelectricity sending module 400 and opto-electronic receiver module 500
Gap, the size in the gap are millimeter rank.
In the further preferred embodiment of the present invention, the photoelectricity sending module 400 is connected with a communication interface 700, described
Communication interface 700 is used to receive the electrical signal data of image to be displayed.
In the further preferred embodiment of the present invention, the communication interface 700 be HDMI interface, USB interface, MIPI interface,
EDP interface, LVDS interface, LIGHTING interface or USB interface.
In the further preferred embodiment of the present invention, the data coding/decoding module 602 includes at least following coding/decoding modules
One of:
The first coding/decoding module of encoding and decoding is carried out for the data to HDMI interface or USB interface transmission；
Data for transmitting to MIPI interface, EDP interface or LVDS interface carry out the second coding/decoding module of encoding and decoding；
Data for transmitting to LIGHTING interface carry out the third coding/decoding module of encoding and decoding；
Data for transmitting to USB interface carry out the 4th coding/decoding module of encoding and decoding.
In the further preferred embodiment of the present invention, the fpga chip 600 further include:
SOC module 605, the SOC module 605 are used to run the operating system software of open source.
SOC module 605 includes ROM cell, can run the operating system of some common open sources, and increase income to FPGA
The operation conditions of the inside modules of chip is monitored and controls, and the realization of the SOC module 605 can be in fpga chip
The simple SOC either oneself realized set, while the SOC module 506 is dispensable.
In the further preferred embodiment of the present invention, the fpga chip 600 further include:
FLASH module 606, information and fan screen display system of the FLASH module 606 for storage program area software
The information of system.
FLASH module 606 is 600 inside permanent memory of fpga chip, can deposit the various letters of the rotating display device
The software information etc. that the operating system etc. of breath and data coding/decoding module 602 or inside SOC can be run.
In the further preferred embodiment of the present invention, the FLASH module 606 is connected with one for control bus receiving and transmitting signal
External bus control module 607.
External bus control module 607 receives and dispatches the function of control signal for realizing common bus, including but unlimited
In following bus: I2C, SPI, UART etc..It is external when the communication interface 501 of the fan screen display system is USB interface
The function of bus control module 607 can be replaced by USB interface, therefore may not necessarily be realized.The external bus control module 607
Function be: the information of the fan screen display system is provided to external electronic equipment, including being not limited to following information: wind
Fan maximum resolution, the frame synchronizing signal of refresh rate and some common screens that screen display system is supported, line synchronising signal etc.
Deng.
In the further preferred embodiment of the present invention, the motor control module 604 includes:
Velocity feedback module, the velocity feedback unit are used to feed back the rotary speed information of current driving motor.
The function of velocity feedback unit is mainly the Rotating speed measring realized to LED display module 200, and the information of measurement
Fpga chip 600 is fed back to preferably to control driving motor 100, while information can also be directly or indirectly supplied to
SOC module, preferably to realize display function.
In the further preferred embodiment of the present invention, the fpga chip 600 further include:
Plug-in DDR memory module 508 and/or FLASH module 509.
In conclusion the fan screen display system of optical signal data transmission provided by the present invention, comprising: driving motor；
LED display module, while controlling LED display module rotation by driving motor, lightening LED lamp pearl shows image；Accelerate
Sensor is spent, the acceleration transducer is used to measure the angular speed of driving motor rotation, and the acceleration transducer setting exists
In LED display module；Photoelectricity sending module, the telecommunications number for the image to be displayed that the photoelectricity sending module is used to receive
According to switching to optical signal data；Opto-electronic receiver module, the opto-electronic receiver module are used to receive the light letter of photoelectricity sending module transmission
Number, and the optical signal data received is demodulated to be sent to fpga chip；Fpga chip, the fpga chip are used for
Control driving motor rotates and shows image, the figure to be shown that will be received by photoelectricity sending module by LED display module
The electrical signal data of picture switchs to optical signal data and is sent to opto-electronic receiver module, and opto-electronic receiver module 500 receives optical signal number
According to rear, optical signal data is demodulated into electrical signal data to be sent to data signal reception module, data signal reception module
Encoding and decoding are carried out to these data, the data recompiled are sent to display control module, display control module control driving
Motor and LED display module show image to be shown, to achieve the purpose that show Three-dimensional Display, effective solution
Communication unstable problem.
Obviously, embodiments described above is merely a part but not all of the embodiments of the present application, attached
The preferred embodiment of the application is given in figure, but is not intended to limit the scope of the patents of the application.The application can be with many differences
Form realize, on the contrary, purpose of providing these embodiments is keeps the understanding to disclosure of this application more thorough
Comprehensively.Although the application is described in detail with reference to the foregoing embodiments, for coming for those skilled in the art,
Can still modify to technical solution documented by aforementioned each specific embodiment, or to part of technical characteristic into
Row equivalence replacement.All equivalent structures done using present specification and accompanying drawing content, are directly or indirectly used in other
Relevant technical field, similarly within the application scope of patent protection.
Claims (10)
1. a kind of fan screen display system of optical signal data transmission characterized by comprising
Driving motor；
LED display module, while controlling LED display module rotation by driving motor, lightening LED lamp pearl shows image；
Acceleration transducer, the acceleration transducer are used to measure the angular speed of driving motor rotation, the acceleration sensing
Device is arranged in LED display module；
Photoelectricity sending module, the photoelectricity sending module are used to switching to the electrical signal data of the image to be displayed received into light letter
Number；
Opto-electronic receiver module, the opto-electronic receiver module are used to receive the optical signal data of photoelectricity sending module transmission, and will connect
The optical signal data received demodulates to be sent to fpga chip；
Fpga chip, the fpga chip, which is used to control driving motor to rotate and pass through LED display module, shows image；
The fpga chip includes:
Data signal reception module, the data signal reception module is for receiving the data that opto-electronic receiver module transfer comes；
Data coding/decoding module, the data that the data coding/decoding module is used to receive data-signal receiving module are compiled
Decoding；
Display control module, the display control module data-signal that coding/decoding module recompiles for receiving data；
Motor control module, the motor control module are used to control the revolving speed of driving motor；
The photoelectricity sending module and opto-electronic receiver module being capable of relative rotation.
2. the fan screen display system of optical signal data transmission according to claim 1, which is characterized in that the photoelectricity hair
Send includes contact and contactless two kinds of connection types between module and opto-electronic receiver module:
The contact connection type is that smooth wheel is provided between photoelectricity sending module and opto-electronic receiver module, by described
Smooth wheel separates photoelectricity sending module and opto-electronic receiver module；
The contactless connection type is that a gap is provided between photoelectricity sending module and opto-electronic receiver module, between described
The size of gap is millimeter rank.
3. the fan screen display system of optical signal data transmission according to claim 1, which is characterized in that the photoelectricity hair
Module is sent to be connected with a communication interface, the communication interface is used to receive the electrical signal data of image to be displayed.
4. the fan screen display system of optical signal data transmission according to claim 3, which is characterized in that the communication connects
Mouth is HDMI interface, USB interface, MIPI interface, EDP interface, LVDS interface, LIGHTING interface or USB interface.
5. the fan screen display system of optical signal data transmission according to claim 4, which is characterized in that the data are compiled
Decoder module includes at least one of following coding/decoding modules:
The first coding/decoding module of encoding and decoding is carried out for the data to HDMI interface or USB interface transmission；
Data for transmitting to MIPI interface, EDP interface or LVDS interface carry out the second coding/decoding module of encoding and decoding；
Data for transmitting to LIGHTING interface carry out the third coding/decoding module of encoding and decoding；
Data for transmitting to USB interface carry out the 4th coding/decoding module of encoding and decoding.
6. the fan screen display system of optical signal data transmission according to claim 1, which is characterized in that the FPGA core
Piece further include:
SOC module, the SOC module are used to run the operating system software of open source.
7. the fan screen display system of optical signal data transmission according to claim 1, which is characterized in that the FPGA core
Piece further include:
FLASH module, the FLASH module is for the information of storage program area software and the information of fan screen display system.
8. the fan screen display system of optical signal data transmission according to claim 1, which is characterized in that the FLASH
Module is connected with an external bus control module for control bus receiving and transmitting signal.
9. the fan screen display system of optical signal data transmission according to claim 1, which is characterized in that the driving electricity
Machine control module includes:
Velocity feedback module, the velocity feedback unit are used to feed back the rotary speed information of current driving motor.
10. the fan screen display system of optical signal data transmission according to claim 1, which is characterized in that the FPGA
Chip further include:
Plug-in DDR memory module and/or FLASH module.
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Application publication date: 20190913 |