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 communicationDisplay 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 figurePicture；
Acceleration transducer, the acceleration transducer are used to measure the angular speed of driving motor rotation, the accelerationSensor 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 displayedData；
SHF communication receiving module, the SHF communication receiving module is for receiving SHF communication sending module hairThe 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 moduleThe data come；
Data coding/decoding module, the data that the data coding/decoding module is used to receive data-signal receiving module intoRow encoding and decoding；
Display control module, the display control module data that coding/decoding module recompiles for receiving data letterNumber；
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 toShow 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 systemBreath.
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 receiveTo the electrical signal data of image to be displayed be sent to SHF communication receiving module, SHF communication receiving module receives thisData signal reception module is sent to after data, data signal reception module carries out encoding and decoding to these data, will recompileData be sent to display control module, display control module controls driving motor and LED display module for image to be shownIt shows, to achieve the purpose that Three-dimensional Display, greatly improves communication speed.
Specific embodiment
Unless otherwise defined, all technical and scientific terms used herein and the skill for belonging to present techniques fieldThe 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 hereinThe 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 inventionTerm " includes " and " having " and their any deformation, it is intended that cover and non-exclusive include.The explanation of the applicationBook and claims or term " first " in above-mentioned attached drawing, " second " etc. rather than are used for for distinguishing different objectsParticular order is described.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodimentsIt is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identicalEmbodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly andImplicitly 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 systemSystem comprising:
Driving motor 100；
LED display module 200, while controlling the rotation of LED display module 200 by driving motor 100, lightening LED lampPearl shows image；
Acceleration transducer 300, the acceleration transducer 300 are used to measure the angular speed of the rotation of driving motor 100, instituteAcceleration 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 displayedSignal data；
SHF communication receiving module 500, the SHF communication receiving module 500 is for receiving SHF communication transmissionThe 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 module200 display images；
The fpga chip 600 includes:
Data signal reception module 601, the data signal reception module 601 is for receiving SHF communication receiving module500 data transmitted；
Data coding/decoding module 602, what the data coding/decoding module 602 was used to receive data-signal receiving moduleData carry out encoding and decoding；
Display control module 603, the number that coding/decoding module recompiles for receiving data of display control module 603It 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 400Receiving module 500, SHF communication receiving module 500 are sent to data signal reception module 601, data after receiving the dataSignal receiving module 601 carries out encoding and decoding to these data, and the data recompiled are sent to display control module 603, showsShow 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 600In data signal reception module 601 after receiving the image data, by data coding/decoding module 602 to the data againEncoding 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 drivenDynamic 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 defeatedEnter, but be not limited to same interface while including the reception of the parallel data of distinct interface, and the data received are storedIt 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 mouldThe 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 handleThe 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 or60GHz 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 interface700, 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 modulesOne 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 FPGAThe operation conditions of the inside modules of chip is monitored and controls, and the realization of the SOC module 605 can be in fpga chipThe 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 softwareThe information of system.
FLASH module 606 is 600 inside permanent memory of fpga chip, can deposit the various letters of the rotating display deviceThe 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 signalExternal bus control module 607.
External bus control module 607 receives and dispatches the function of control signal for realizing common bus, including but unlimitedIn following bus: I2C, SPI, UART etc..It is external when the communication interface 501 of the fan screen display system is USB interfaceThe function of bus control module 607 can be replaced by USB interface, therefore may not necessarily be realized.The external bus control module 607Function be: the information of the fan screen display system is provided to external electronic equipment, including being not limited to following information: windFan 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 measurementFpga chip 600 is fed back to preferably to control driving motor 100, while information can also be directly or indirectly supplied toSOC 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；AccelerateSensor is spent, the acceleration transducer is used to measure the angular speed of driving motor rotation, and the acceleration transducer setting existsIn LED display module；SHF communication sending module, the SHF communication sending module is for receiving image to be displayedElectrical signal data；SHF communication receiving module, the SHF communication receiving module send mould for receiving SHF communicationThe electrical signal data that block is sent, and the electrical signal data received is sent to fpga chip；Fpga chip, the fpga chipFor control driving motor rotate and by LED display module show image, will be received by SHF communication sending moduleThe electrical signal data of image to be displayed be sent to SHF communication receiving module, SHF communication receiving module receives the electricityIt is sent to after signal data to data signal reception module, data signal reception module carries out encoding and decoding to these data, will weighNewly encoded data are sent to display control module, and display control module controls driving motor and LED display module will be to be shownImage 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, attachedThe 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 differencesForm realize, on the contrary, purpose of providing these embodiments is keeps the understanding to disclosure of this application more thoroughComprehensively.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 intoRow equivalence replacement.All equivalent structures done using present specification and accompanying drawing content, are directly or indirectly used in otherRelevant technical field, similarly within the application scope of patent protection.