CN110111728A - A kind of fan screen display system based on SHF communication - Google Patents
A kind of fan screen display system based on SHF communication Download PDFInfo
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- CN110111728A CN110111728A CN201910492145.0A CN201910492145A CN110111728A CN 110111728 A CN110111728 A CN 110111728A CN 201910492145 A CN201910492145 A CN 201910492145A CN 110111728 A CN110111728 A CN 110111728A
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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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The invention discloses a kind of fan screen display system based on SHF communication, 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；SHF communication sending module, the SHF communication sending module are used to receive the electrical signal data of image to be displayed；The electrical signal data received is sent to fpga chip for receiving electrical signal data by SHF communication receiving module, the SHF communication receiving module；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, greatly improve communication speed.
Description
Technical field
The present invention relates to fan screen field of display technology more particularly to a kind of fan screen displays based on SHF communication
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 is communicated using 2.4GHz under normal conditions, and 2.4GH's is logical
Letter its highest transmission rate of module is 300Mbps, causes bigger video data speed in transmission slow, serious shadow
The using experience degree of user is rung.
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 screen based on SHF communication
Display system greatly improves communication speed.
Technical scheme is as follows:
A kind of fan screen display system based on SHF communication 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；
SHF communication sending module, the SHF communication sending module are used to receive the electric signal of image to be displayed
Data；
SHF communication receiving module, the SHF communication receiving module is for receiving SHF communication sending module hair
The electrical signal data sent, and the electrical signal data received is 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 are transmitted across for receiving SHF communication receiving module
The data come；
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.
Preferably, the frequency of SHF communication sending module and SHF communication receiving module is 5Ghz or 60GHz.
Preferably, the SHF communication sending module is connected with a communication interface, the communication interface for receive to
Show the electrical signal data of image.
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
Fan screen display system provided by the present invention based on SHF communication, SHF communication sending module will receive
To the electrical signal data of image to be displayed be sent to SHF communication receiving module, SHF communication receiving module receives this
Data signal reception module is sent to after data, data signal reception module carries out encoding and decoding to these data, will recompile
Data be sent to display control module, display control module controls driving motor and LED display module for image to be shown
It shows, to achieve the purpose that Three-dimensional Display, greatly improves communication speed.
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 based on SHF communication in the present invention.
Fig. 2 is the fpga chip in the fan screen display system preferred embodiment based on SHF communication 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 based on SHF communication 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；
SHF communication sending module 400, the SHF communication sending module 400 are used to receive the electricity of image to be displayed
Signal data；
SHF communication receiving module 500, the SHF communication receiving module 500 is for receiving SHF communication transmission
The electrical signal data that module 400 is sent, and the electrical signal data received is 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 SHF communication receiving module
500 data transmitted；
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 working principle of present pre-ferred embodiments are as follows:
The electrical signal data of the image to be displayed received is sent to SHF communication by SHF communication sending module 400
Receiving module 500, SHF communication receiving module 500 are sent to data signal reception module 601, data after receiving the data
Signal receiving module 601 carries out encoding and decoding to these data, and the data recompiled are sent to display control module 603, shows
Show that control module 603 controls driving motor 100 and LED display module 200 shows image to be shown.
Present invention image data to be shown passes through electric signal transmission to the fpga chip 600, the fpga chip 600
In data signal reception module 601 after receiving the image data, by data coding/decoding module 602 to the data again
Encoding and decoding are carried out, the data of encoding and decoding again are then sent to display control module 603, the control of display control module 603 is driven
Dynamic motor 100 and LED display module 200 are shown, first the data transmission of display are carried out encoding and decoding again, are improved its communication speed.
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, the SHF communication sending module 400 and SHF communication receive mould
The frequency of block 500 is 5Ghz or 60GHz.
5GHz: flank speed 867Mbps, double frequency routing just has much, and generally they can publicize 1167Mbps, this is handle
The 300Mbps of 2.4GHz also added.
60GHz: flank speed 6Gbps, lower 15 meters of indoor " beam forming ".
The frequency of certain SHF communication sending module 400 and SHF communication receiving module 500 not just for 5Ghz or
60GHz can also be higher frequency, be not limited to 5Ghz or 60GHz here.
In the further preferred embodiment of the present invention, the SHF communication sending module 400 is connected with a communication interface
700, the 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 provided by the present invention based on SHF communication, 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；SHF communication sending module, the SHF communication sending module is for receiving image to be displayed
Electrical signal data；SHF communication receiving module, the SHF communication receiving module send mould for receiving SHF communication
The electrical signal data that block is sent, and the electrical signal data received is sent to fpga chip；Fpga chip, the fpga chip
For control driving motor rotate and by LED display module show image, will be received by SHF communication sending module
The electrical signal data of image to be displayed be sent to SHF communication receiving module, SHF communication receiving module receives the electricity
It is sent to after signal data to data signal reception module, data signal reception module carries out encoding and decoding to these data, will weigh
Newly encoded data are sent to display control module, and display control module controls driving motor and LED display module will be to be shown
Image show, thus achieve the purpose that show Three-dimensional Display, greatly improve the speed of communication.
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 based on SHF communication 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；
SHF communication sending module, the SHF communication sending module are used to receive the telecommunications number of image to be displayed
According to；
SHF communication receiving module, the SHF communication receiving module are used to receive the transmission of SHF communication sending module
Electrical signal data, and the electrical signal data received is 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 what SHF communication receiving module transmitted
Data；
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.
2. the fan screen display system according to claim 1 based on SHF communication, which is characterized in that the hyperfrequency
The frequency for communicating sending module and SHF communication receiving module is 5Ghz or 60GHz.
3. the fan screen display system according to claim 1 based on SHF communication, which is characterized in that the hyperfrequency
Communication sending module is connected with a communication interface, and the communication interface is used to receive the electrical signal data of image to be displayed.
4. the fan screen display system according to claim 3 based on SHF communication, 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 according to claim 4 based on SHF communication, 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 according to claim 1 based on SHF communication, 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 according to claim 1 based on SHF communication, 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 according to claim 1 based on SHF communication, 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 according to claim 1 based on SHF communication, 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 according to claim 1 based on SHF communication, which is characterized in that the FPGA
Chip further include:
Plug-in DDR memory module and/or FLASH module.
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| CN201910492145.0A CN110111728A (en) | 2019-06-06 | 2019-06-06 | A kind of fan screen display system based on SHF communication |
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Application publication date: 20190809 |