CN105788513A - Scanning card and LED display screen display control system - Google Patents
Scanning card and LED display screen display control system Download PDFInfo
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- CN105788513A CN105788513A CN201410810143.9A CN201410810143A CN105788513A CN 105788513 A CN105788513 A CN 105788513A CN 201410810143 A CN201410810143 A CN 201410810143A CN 105788513 A CN105788513 A CN 105788513A
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Abstract
The invention discloses a scanning card and an LED display screen display control system. The scanning card comprises a main control module, a lamp panel driving module, an information storage module and a power management module. The main control module is connected with the lamp panel driving module, the information storage module and the power management module. The power management module is used for providing a power supply. The lamp panel driving module is used for driving the display of an LED lamp panel. The information storage module is used for storing the information of the LED lamp panel. The main control module is used for processing data and coordinating the operations of the power management module, the lamp panel driving module and the information storage module. The scanning card can be arranged on the LED lamp panel, so that the LED lamp panel can be uniquely controlled by the scanning card. Therefore, the LED display screen display control system is free from the wiring operation, so that the wiring connection is reduced. The stability and the reliability of signal transmission are improved. Moreover, the electromagnetic interference is effectively reduced and the cost is lowered. The installation is convenient.
Description
Technical field
The present invention relates to large-size screen monitors display field, particularly relate to a kind of scanning card and LED display display control program.
Background technology
At existing light emitting diode (lightemittingdiode, LED) display screen display control program specifically includes that sending card, scanning card and LED display, wherein LED display is formed by multiple box body splicings, and each casing is spliced by multiple LED lamp panel.Referring to Fig. 1, Fig. 1 is the schematic diagram of the structure of LED display display control program in prior art, and wherein, each cabinet configuration has scanning card, and scanning card exports image drive signals to LED lamp panel thus driving LED lamp panel to show by winding displacement.
In current LED display display control program, due to scanning card with between LED lamp panel, be connected by winding displacement between LED lamp panel and LED lamp panel, substantial amounts of winding displacement connects the unstability with signals, and bring inconvenience to installation, add cost, the connection of winding displacement too increases Electro Magnetic Compatibility (ElectromagneticCompatibility, EMC) problem.
Summary of the invention
In view of this, the present invention provides a kind of scanning card and LED display display control program, for solve LED display display control program in prior art because winding displacement connects, band signals is unstable, install inconvenience, high in cost of production problem.
A kind of scanning card that the embodiment of the present invention provides, this scanning card is for being arranged on a LED lamp panel, and scanning card includes:
Main control module, lamp plate drive module, information storage module, power management module；
Described main control module drives module, described information storage module, described power management module to be connected with described lamp plate；
Described power management module is used for providing power supply；
Described lamp plate drives module to be used for the driving of described LED lamp panel is shown；
Described information storage module is for storing the information of described LED lamp panel；
Described main control module is for processing to data and coordinate the work of described power management module, described lamp plate driving module and described information storage module.
The embodiment of the present invention provides a kind of LED display display control program, including:
Sending card, allotter, control and display device；Described control and display device include above-mentioned scanning card and LED lamp panel, and described scanning card is arranged in described LED lamp panel；
Multiple described controls and display device are connected in series by high-speed transmission line, obtain a plurality of series circuit and are all connected with described allotter, and described sending card is connected with described allotter；
Described sending card for being converted to digital signal by the video signal received, and described digital signal is sent to described allotter；
Described allotter is for being allocated described digital signal, and gives connected control and display device by the digital data transmission after distribution；
Scanning card in described control and display device is for processing described digital signal, and stores the information of described LED lamp panel, and drives described LED lamp panel to display.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
Scanning card is for being arranged on a LED lamp panel, and this scanning card includes: main control module, lamp plate drive module, information storage module, power management module；Main control module drives module, information storage module, power management module to be connected with lamp plate；Power management module is used for providing power supply；Lamp plate drives module to be used for the driving of LED lamp panel is shown；Information storage module is for storing the information of LED lamp panel；Main control module is for processing data and coordinated power management module, lamp plate drive the work of module and information storage module.Owing to scanning card may be provided in a LED lamp panel, this scanning card is made can uniquely to control the LED lamp panel at its place, make to use winding displacement each LED lamp panel to be coupled together in LED display display control program, connect thus reaching to reduce winding displacement, improve the stability of signal transmission and the purpose of reliability, and can effectively reduce electromagnetic interference, reduce cost, convenient installation.
For the above and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, it is described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the structure of LED display display control program in prior art；
Fig. 2 is a schematic diagram of the structure scanning card in the embodiment of the present invention；
Fig. 3 is another schematic diagram of the structure of the scanning card in the embodiment of the present invention based on Fig. 2；
Fig. 4 is a schematic diagram of the structure of LED display display control program in the embodiment of the present invention；
Fig. 5 is another schematic diagram of the structure of LED display display control program in the embodiment of the present invention；
Fig. 6 is another schematic diagram of the structure of LED display display control program in the embodiment of the present invention；
Fig. 7 is another schematic diagram of the structure of LED display display control program in the embodiment of the present invention.
Detailed description of the invention
For further setting forth that the present invention realizes technological means and effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to the specific embodiment of the present invention, structure, feature and effect thereof, describe in detail as after.
Refer to Fig. 2, for the embodiment of the structure of scanning card 200 in the embodiment of the present invention, wherein, this scanning card 200 is for being arranged on a LED lamp panel, therefore, each scanning card 200 correspond to a LED lamp panel, and the LED lamp panel at its place is only managed and controls by scanning card 200, wherein, scanning card 200 includes:
Main control module 201, lamp plate drive module 202, information storage module 203, power management module 204；
Main control module 201 drives module 202, information storage module 203, power management module 204 to be connected with lamp plate；
Wherein, power management module 204 is used for providing power supply；
Wherein, lamp plate drives module 202 to be used for the driving of LED lamp panel is shown；
Wherein, information storage module 203 is for storing the information of LED lamp panel；Wherein, the information of LED lamp panel may include that LED lamp panel at the corresponding levels with the combination in any in the configuration informations such as information carrying breath, cabling mode, scan characteristic.
Wherein, main control module 201 is for processing data and coordinated power management module 204, lamp plate drive the work of module 202 and information storage module 203.
In embodiments of the present invention, scanning card 200 can be arranged in LED lamp panel by welding or pluggable mode.
In embodiments of the present invention, scanning card 200 also includes: lamp plate monitoring module 205, refer to Fig. 3, scanning for describing based on embodiment illustrated in fig. 2 in the embodiment of the present invention blocks the schematic diagram of another structure of the structure of 200, wherein, lamp plate monitoring module 205 is connected with main control module 201, for the various states of LED lamp panel are detected and detection data are sent to main control module 201.And the content of monitoring may include that the combination in any of the monitoring data such as the LED state lamp information of the voltage of LED lamp panel, the temperature of LED lamp panel, LED lamp panel.
In embodiments of the present invention, scanning card 200 also includes interface module 206；This interface module 206 is connected with main control module 201, connects for other scanning cards and realizes transmission data.
In embodiments of the present invention, the amount of storage of the information storage module 203 in scanning card 200 is less, but the storage demand of the information of a LED lamp panel can be met completely, by arranging a scanning card 200 in each LED lamp panel, make to use big memorizer such as synchronous DRAM (SynchronousDynamicRandomAccessMemory, etc. SDRAM) store data, and can also effectively reduce the volume of scanning card 200.
In embodiments of the present invention, by designing the scanning card that can arrange in each LED lamp panel, make to use winding displacement to connect LED lamp panel, connect thus reaching to reduce winding displacement, improve the stability of signal transmission and the purpose of reliability, and can effectively reduce electromagnetic interference, reduce cost, convenient installation.
In embodiments of the present invention, Fig. 2 or the scanning card 200 in embodiment illustrated in fig. 3 can be applicable in LED display display control program, and this LED display display control program includes:
Sending card, allotter, control and display device；Wherein, controlling and display device includes LED lamp panel and the scanning card 200 as described in Fig. 2 or embodiment illustrated in fig. 3, scanning card 200 is arranged in LED lamp panel；
Wherein, multiple controls and display device are connected in series by high-speed transmission line, obtain a plurality of series circuit and are all connected with allotter, and sending card is connected with allotter；
Sending card is for being converted to digital signal by the video signal received, and digital signal is sent to allotter；
Allotter is for being allocated digital signal, and gives connected control and display device by the digital data transmission after distribution；
Scanning card in control and display device is for processing digital signal, and the information of storage LED lamp panel, and drives LED lamp panel to display.
Wherein, series circuit can be that the scanning cartoon of multiple control and display device is crossed high-speed transmission line and connected, it is also possible to the LED lamp panel of multiple controls and display device is connected by high-speed transmission line.Introduce the LED display display control program under different connected mode separately below.
Refer to Fig. 4, for the embodiment of the structure of LED display display control program in the embodiment of the present invention, including:
Sending card 301, allotter 302, control and display device；Wherein, control and display device includes LED lamp panel 303 and the scanning card 200 as described in Fig. 2 or embodiment illustrated in fig. 3, and scanning card 200 is arranged in LED lamp panel 303；
Wherein, sending card 301 is connected with allotter 302, allotter 302 is directly connected to multiple controls and display device by high-speed transmission line, and the plurality of control and display device are belonging respectively to multiple series circuit, wherein, each series circuit refers to the circuit being in series by the scanning card 200 of at least two control and display device by high-speed transmission line, and the control being connected with allotter 302 and display device are to be connected with allotter 302 by the scanning card 200 of this display and control device；
Sending card 301 for being converted to digital signal by the video signal received, and digital signal is sent to allotter 302；
Allotter 302 is for being allocated digital signal, and gives the scanning card 200 in the control and display device that directly directly connect by the digital data transmission after distribution；
Scanning card 200 is for receiving the digital signal of distribution, and stores the information of LED lamp panel 303, and drives LED lamp panel 303 to display, wherein, and scanning 200 operation times that can preserve the correction coefficient of LED lamp panel, LED lamp panel of card etc..
In embodiments of the present invention, after the scanning card 200 being directly connected with allotter receives digital signal, this digital signal will be processed and be transparent to by this digital signal next stage scanning card 200, and this digital signal will be processed by each scanning card 200 receiving digital signal, if and have next stage scanning card 200, in addition it is also necessary to this digital signal is transparent to next stage scanning card 200.
It should be noted that the interface modules 206 (specifically referring to Fig. 3) that the scanning card 200 of the display being connected with allotter 302 and control device can be through on this scanning card 200 are connected with allotter 302.
In embodiments of the present invention, high-speed transmission line be gigabit network cable, 100,000,000 netting twines or other at a high speed and the few transmission line of line, winding displacement of the prior art is replaced by high-speed transmission line, minimizing connecting line can be effectively accomplished, improve the purpose of the reliability of signal transmission, and electromagnetic interference can be reduced, reduce interference, convenient installation.
In embodiments of the present invention, scanning card 200 can be arranged in LED lamp panel 303 by pluggable or welding form.
In embodiments of the present invention, the control system of LED display can also include video source apparatus, and this video source apparatus can pass through video interface and be connected with sending card 301, and video source apparatus is for sending video signal to sending card 301.Wherein, this video source apparatus can be the PC being provided with video source.
In embodiments of the present invention, sending card 301 is connected with allotter 302 particular by high-speed transmission line.Wherein, being superior to of high-speed transmission line connecting sending card 301 and allotter 302 is connected allotter 302 and control and display device and is connected the high-speed transmission line of two controls and display device, such as: if the high-speed transmission line connecting sending card 301 and allotter 302 is gigabit network cable, then connect the high-speed transmission line of allotter 302 and scanning card 200 and be connected two and scan that to block the high-speed transmission lines of 200 be 100,000,000 netting twines.
In embodiments of the present invention, the information of the memorizer storage LED lamp panel 303 that scanning card 200 use is small-sized, the memorizer such as SDRAM etc. big without memory capacity stores data.
In embodiments of the present invention, scanning card 200 is additionally operable to LED lamp panel 303 is monitored, and the content of monitoring may include that the combination in any of the monitoring data such as the LED state lamp information of the voltage of LED lamp panel 303, the temperature of LED lamp panel 303, LED lamp panel 303.
In embodiments of the present invention, sending card 301 receives the video signal that video source apparatus is sent by video interface, it is digital signal by this video frequency signal processing, and it is sent to allotter 302 by processing the digital signal obtained, this digital signal will be processed and distribute by allotter 302, and the digital signal after distribution is sent to the scanning card 200 being directly connected to this allotter 302, wherein this scanning card 200 is arranged in LED lamp panel 303, the lamp plate 303 driving its place according to this digital signal is shown by scanning card 200, this digital signal is passed through next stage scanning card 200 simultaneously, this next stage scanning card 200 drives the next stage LED lamp panel 303 at this next stage scanning card 200 places to display by utilizing this digital signal.
In embodiments of the present invention, LED display display control program includes sending card, allotter, control and display device, wherein, sending card is connected with allotter, allotter is connected with the scanning card in control and display device by high-speed transmission line, and control and scanning cartoon between display device is crossed high-speed transmission line and is connected with each other, wherein, sending card is for being converted to digital signal by the video signal received, and digital signal is sent to allotter, allotter is for being allocated data signal, and the digital data transmission after distribution is given connected scanning card, this scanning card is for receiving the digital signal of distribution, and store the information of this LED lamp panel and drive this LED lamp panel to display, and this digital signal also will carry out transparent transmission in the scanning card of subordinate.Wherein, by arranging allotter and display and controlling device, make to realize allotter and display and the connection scanning card controlling device by high-speed transmission line, and realize display and the connection scanning card controlling between device, block and LED lamp panel without using winding displacement to connect scanning, and also without using winding displacement between LED lamp panel, reach to reduce connecting line, it is provided that the stability of signal transmission and the purpose of reliability, and can effectively reduce electromagnetic interference, reduce cost, convenient installation.And owing to arranging scanning card in each LED lamp panel, it is relatively low that the storage capacity of this scanning card can be arranged, and can reduce the volume of scanning card, make it possible to conveniently record the information of this LED lamp panel, and can conveniently LED lamp panel be monitored simultaneously.
Refer to Fig. 5, for the embodiment of the structure of LED display display control program in the embodiment of the present invention, including:
Sending card 301, allotter 302, control and display device；Wherein, controlling and display device includes LED lamp panel 303 and the scanning card 200 as described in Fig. 2 or embodiment illustrated in fig. 3, scanning card 200 is arranged in LED lamp panel 303；
Wherein, sending card 301 is connected with allotter 302, allotter 302 is directly connected to multiple controls and display device by high-speed transmission line, and the plurality of control and display device are belonging respectively to multiple series circuit, wherein, each series circuit refers to the circuit being in series by the LED lamp panel 303 of at least two control and display device by high-speed transmission line, and the control being connected with allotter 302 and display device are also that the LED lamp panel 303 by this control and display device is connected with allotter 302；
Sending card 301 for being converted to digital signal by the video signal received, and digital signal is sent to allotter 302；
Allotter 302 is for being allocated digital signal, and gives the LED lamp panel 303 on direct connected control and display device by the digital data transmission after distribution；
Scanning card 200 is for receiving the digital signal that LED lamp panel 303 sends, and stores the information of LED lamp panel 303, and drives LED lamp panel 303 to display, wherein, and scanning 200 operation times that can preserve the correction coefficient of LED lamp panel, LED lamp panel of card etc..
In embodiments of the present invention, after the LED lamp panel 303 being directly connected with allotter receives digital signal, this digital signal is sent to the scanning card 200 of himself, by scanning card 200, this digital signal is processed, and this digital signal is also transparent to next stage LED lamp panel 303 by LED lamp panel 303, and each receives the LED lamp panel 303 of digital signal and the digital signal received is sent to the scanning card 200 of self and this digital signal is sent to next stage LED lamp panel 303, realize the transparent transmission of digital signal, unless there are no next stage LED lamp panel 303.
In embodiments of the present invention, high-speed transmission line be gigabit network cable, 100,000,000 netting twines or other at a high speed and the few transmission line of line, winding displacement of the prior art is replaced by high-speed transmission line, minimizing connecting line can be effectively accomplished, improve the purpose of the reliability of signal transmission, and electromagnetic interference can be reduced, reduce interference, convenient installation.
In embodiments of the present invention, scanning card 200 can be arranged in LED lamp panel 303 by pluggable or welding form.
In embodiments of the present invention, the control system of LED display can also include video source apparatus, and this video source apparatus can pass through video interface and be connected with sending card 301, and video source apparatus is for sending video signal to sending card 301.Wherein, this video source apparatus can be the PC being provided with video source.
In embodiments of the present invention, sending card 301 is connected with allotter 302 particular by high-speed transmission line.Wherein, being superior to of high-speed transmission line connecting sending card 301 and allotter 302 is connected allotter 302 and control and display device and is connected the high-speed transmission line of two controls and display device, such as: if the high-speed transmission line connecting sending card 301 and allotter 302 is gigabit network cable, then the high-speed transmission line connecting allotter 302 and LED lamp panel 303 and the high-speed transmission line being connected two LED lamp panel 303 are 100,000,000 netting twines.
In embodiments of the present invention, the information of the memorizer storage LED lamp panel 303 that scanning card 200 use is small-sized, the memorizer such as SDRAM etc. big without memory capacity stores data.
In embodiments of the present invention, scanning card 200 is additionally operable to LED lamp panel 303 is monitored, and the content of monitoring may include that the combination in any of the monitoring data such as the LED state lamp information of the voltage of LED lamp panel 303, the temperature of LED lamp panel 303, LED lamp panel 303.
In embodiments of the present invention, sending card 301 receives the video signal that video source apparatus is sent by video interface, it is digital signal by this video frequency signal processing, and it is sent to allotter 302 by processing the digital signal obtained, this digital signal will be processed and distribute by allotter 302, and the digital signal after distribution is sent to the LED lamp panel 303 being directly connected to this allotter 302, this LED lamp panel 303 is wherein provided with scanning card 200, this digital signal is sent to the scanning card 200 of himself and passes through next stage LED lamp panel 303 simultaneously by LED lamp panel 303, the lamp plate 303 driving its place according to this digital signal is shown by scanning card 200.Wherein, this digital signal is sent to the scanning card 200 of himself and processes by each LED lamp panel 303 receiving digital signal, and if this LED lamp panel 303 also have next stage LED lamp panel 303, then also this digital signal is pass-through to next stage LED lamp panel 303.
nullIn embodiments of the present invention，LED display display control program includes sending card、Allotter、Control and display device，Wherein，Sending card is connected with allotter，Allotter is connected with the LED lamp panel in control and display device by high-speed transmission line，And the LED lamp panel between control and display device is connected with each other also by high-speed transmission line，Wherein，Sending card is for being converted to digital signal by the video signal received，And digital signal is sent to allotter，Allotter is for being allocated data signal，And give connected LED lamp panel by the digital data transmission after distribution，This digital signal is sent to the scanning card of himself by this LED lamp panel，This scanning card is used for processing this digital signal，Store the information of this LED lamp panel and drive this LED lamp panel to display，And this digital signal also will carry out transparent transmission in the LED lamp panel of subordinate.Wherein, by arranging allotter and display and controlling device, make to realize allotter and display and the connection controlling device by high-speed transmission line, and realize display and control the connection between device, connect scanning card and LED lamp panel without using winding displacement, and also without using winding displacement between LED lamp panel, reach to reduce connecting line, it is provided that the stability of signal transmission and the purpose of reliability, and can effectively reduce electromagnetic interference, reduce cost, convenient installation.And owing to arranging scanning card in each LED lamp panel, it is relatively low that the storage capacity of this scanning card can be arranged, and can reduce the volume of scanning card, make it possible to conveniently record the information of this LED lamp panel, and can conveniently LED lamp panel be monitored simultaneously.
In embodiments of the present invention, sending card also directly can not be connected with display and control device by allotter, then this LED display display control program includes:
Sending card, controls and display device；
Wherein, controlling and display device includes LED lamp panel and the scanning card as described in Fig. 2 or embodiment illustrated in fig. 3, this scanning card is arranged in LED lamp panel；
Wherein, sending card comprises multiple output interface, and multiple controls and display device are connected in series by high-speed transmission line, and the multiple output interfaces obtaining a plurality of series circuit and sending card connect one to one；
Sending card is for being converted to digital signal by the video signal received, and is allocated by digital signal, exports connected control and display device from multiple output interfaces；
Control and scanning in display device is blocked for the digital signal received is processed, and the information of storage LED lamp panel, and drive LED lamp panel to display.
In embodiments of the present invention, sending card can be connected with display and the scanning card controlled on device, it is possible to is connected with the LED lamp panel in display and control device, in order to be better understood from the technical scheme in the embodiment of the present invention, is described separately below.
Refer to Fig. 6, for the embodiment of the structure of LED display display control program in the embodiment of the present invention, including:
Sending card 601, display and control device, wherein, display and control device include LED lamp panel 303 and the scanning card 200 as described in Fig. 2 or embodiment illustrated in fig. 3, and scanning card 200 is arranged in LED lamp panel 303；
Wherein, sending card 601 comprises multiple output interface 602, and multiple control and display device are connected in series by high-speed transmission line, and the multiple output interfaces 602 obtaining a plurality of series circuit and sending card 601 connect one to one；And the output interface 602 of sending card 601 is connected with the scanning card 200 of the control being directly connected and display device by high-speed transmission line, and the scanning card 200 between control and display device is connected by high-speed transmission line；
Sending card 601 is for being converted to digital signal by the video signal received, and is allocated by digital signal, exports the scanning card 200 of connected control and display device from multiple output interfaces 602；
Control and scanning in display device blocks 200 for the digital signal received is processed, and the information of storage LED lamp panel 303, and drive LED lamp panel 303 to display.
In embodiments of the present invention, high-speed transmission line be gigabit network cable, 100,000,000 netting twines or other at a high speed and the few transmission line of line, winding displacement of the prior art is replaced by high-speed transmission line, minimizing connecting line can be effectively accomplished, improve the purpose of the reliability of signal transmission, and electromagnetic interference can be reduced, reduce interference, convenient installation.
In embodiments of the present invention, the control system of LED display can also include video source apparatus, and this video source apparatus can pass through video interface and be connected with sending card 601, and video source apparatus is for sending video signal to sending card 601.Wherein, this video source apparatus can be the PC being provided with video source.
In embodiments of the present invention, scanning card 200 is additionally operable to LED lamp panel 303 is monitored, and the content of monitoring may include that the combination in any of the monitoring information such as the LED state lamp information of the voltage of LED lamp panel 303, the temperature of LED lamp panel 303, LED lamp panel 303.
In embodiments of the present invention, the information of the memorizer storage LED lamp panel 303 that scanning card 200 use is small-sized, the memorizer such as SDRAM etc. big without memory capacity stores data.
nullIn embodiments of the present invention，Sending card 601 receives the video signal that video source apparatus sends，And video frequency signal processing is become digital information，The video signal of process is allocated，Export from multiple output interfaces of sending card 601 respectively，Wherein，Each output interface 602 of sending card connects a control and the series circuit of display device composition by high-speed transmission line，And output interface 602 is connected with the scanning card 200 of the control being directly connected and display device by high-speed transmission line，Wherein，This series circuit is scanning card 200 interconnection by controlling and between display device，Each receives the scanning card 200 of digital signal by this digital signal of process，And utilize this digital signal to drive the LED lamp panel at its place to display，And if having next stage control and display device，This digital signal also continues to be sent to the scanning card 200 of next stage control and display device.
In embodiments of the present invention, by using the LED lamp panel being provided with scanning card in LED display display control program, make it possible to be realized the connection of sending card and display and the scanning card controlling device by high-speed transmission line, and realize display and the connection scanning card controlling between device, scanning card and LED lamp panel is connected without using winding displacement, and also without using winding displacement between LED lamp panel, reach to reduce connecting line, the stability of signal transmission and the purpose of reliability are provided, and can effectively reduce electromagnetic interference, reduce cost, convenient installation.And owing to arranging scanning card in each LED lamp panel, it is relatively low that the storage capacity of this scanning card can be arranged, and can reduce the volume of scanning card, make it possible to conveniently record the information of this LED lamp panel, and can conveniently LED lamp panel be monitored simultaneously.
Refer to Fig. 7, for the embodiment of the structure of LED display display control program a kind of in the embodiment of the present invention, including:
Sending card 601, display and control device, wherein, display and control device include LED lamp panel 303 and the scanning card 200 as described in Fig. 2 or embodiment illustrated in fig. 3, and scanning card 200 is arranged in LED lamp panel 303；
Wherein, sending card 601 comprises multiple output interface 602, and multiple control and display device are connected in series by high-speed transmission line, and the multiple output interfaces 602 obtaining a plurality of series circuit and sending card 601 connect one to one；And the output interface 602 of sending card 601 is connected with the LED lamp panel 303 of the control being directly connected and display device by high-speed transmission line, and the LED lamp panel 303 between control and display device is connected by high-speed transmission line；
Sending card 601 is for being converted to digital signal by the video signal received, and is allocated by digital signal, exports the LED lamp panel 303 of connected control and display device from multiple output interfaces 602；
Control and scanning in display device blocks 200 for the digital signal received is processed, and the information of storage LED lamp panel 303, and drive LED lamp panel 303 to display.
In embodiments of the present invention, high-speed transmission line be gigabit network cable, 100,000,000 netting twines or other at a high speed and the few transmission line of line, winding displacement of the prior art is replaced by high-speed transmission line, minimizing connecting line can be effectively accomplished, improve the purpose of the reliability of signal transmission, and electromagnetic interference can be reduced, reduce interference, convenient installation.
In embodiments of the present invention, the control system of LED display can also include video source apparatus, and this video source apparatus can pass through video interface and be connected with sending card 601, and video source apparatus is for sending video signal to sending card 601.Wherein, this video source apparatus can be the PC being provided with video source.
In embodiments of the present invention, scanning card 200 is additionally operable to LED lamp panel 303 is monitored, and the content of monitoring may include that the combination in any of the monitoring information such as the LED state lamp information of the voltage of LED lamp panel 303, the temperature of LED lamp panel 303, LED lamp panel 303.
In embodiments of the present invention, the information of the memorizer storage LED lamp panel 303 that scanning card 200 use is small-sized, the memorizer such as SDRAM etc. big without memory capacity stores data.
nullIn embodiments of the present invention，Sending card 601 receives the video signal that video source apparatus sends，And video frequency signal processing is become digital information，The video signal of process is allocated，Export from multiple output interfaces 602 of sending card 601 respectively，Wherein，Each output interface 602 of sending card connects a control and the series circuit of display device composition by high-speed transmission line，And output interface 602 is connected with the LED lamp panel 303 of the control being directly connected and display device by high-speed transmission line，Wherein，This series circuit is LED lamp panel 303 interconnection by controlling and between display device，Each receives the LED lamp panel 303 of digital signal and this digital signal is sent to the scanning card 200 of himself，By scanning card 200 this digital signal of process，And utilize this digital signal to drive the LED lamp panel at its place to display，And if having next stage control and display device，This digital signal also is continued to be sent to the LED lamp panel 303 of next stage control and display device by this LED lamp panel 303.
In embodiments of the present invention, by using the LED lamp panel being provided with scanning card in LED display display control program, make it possible to be realized the connection of sending card and display and the LED lamp panel controlling device by high-speed transmission line, and realize showing and controlling the connection of the LED lamp panel between device, scanning card and LED lamp panel is connected without using winding displacement, and also without using winding displacement between LED lamp panel, reach to reduce connecting line, the stability of signal transmission and the purpose of reliability are provided, and can effectively reduce electromagnetic interference, reduce cost, convenient installation.And owing to arranging scanning card in each LED lamp panel, it is relatively low that the storage capacity of this scanning card can be arranged, and can reduce the volume of scanning card, make it possible to conveniently record the information of this LED lamp panel, and can conveniently LED lamp panel be monitored simultaneously.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solution of the present invention content, according to any simple modification that above example is made by the technical spirit of the present invention, equivalent variations and modification, all still fall within the scope of technical solution of the present invention.
Claims (14)
1. a scanning card, it is characterised in that described scanning card is for being arranged on a LED lamp panel, and described scanning card includes:
Main control module, lamp plate drive module, information storage module, power management module；
Described main control module drives module, described information storage module, described power management module to be connected with described lamp plate；
Described power management module is used for providing power supply；
Described lamp plate drives module to be used for the driving of described LED lamp panel is shown；
Described information storage module is for storing the information of described LED lamp panel；
Described main control module is for processing to data and coordinate the work of described power management module, described lamp plate driving module and described information storage module.
2. scanning card according to claim 1, it is characterised in that described scanning card is arranged in described LED lamp panel by welding or pluggable mode.
3. scanning card according to claim 1, it is characterized in that, described scanning card also includes: lamp plate monitoring module, and described lamp plate monitoring module is connected with described main control module, for the various states of described LED lamp panel are detected and detection data are sent to described main control module.
4. the scanning card according to claims 1 to 3 any one, it is characterised in that described scanning card also includes interface module；
Described interface module is connected with described main control module, for being connected with other scanning cards and realizing transmission data.
5. a LED display display control program, it is characterised in that including:
Sending card, allotter, control and display device；
Described control and display device include LED lamp panel and the scanning card as described in Claims 1-4 any one, and described scanning card is arranged in described LED lamp panel；
Multiple described controls and display device are connected in series by high-speed transmission line, obtain a plurality of series circuit and are all connected with described allotter, and described sending card is connected with described allotter；
Described sending card for being converted to digital signal by the video signal received, and described digital signal is sent to described allotter；
Described allotter is for being allocated described digital signal, and gives connected control and display device by the digital data transmission after distribution；
Scanning card in described control and display device is for processing described digital signal, and stores the information of described LED lamp panel, and drives described LED lamp panel to display.
6. LED display display control program according to claim 5, it is characterized in that, described allotter is connected with the described scanning card in described control and display device by described high-speed transmission line, and the scanning card between described control and display device is interconnected by described high-speed transmission line.
7. LED display display control program according to claim 5, it is characterized in that, described allotter is connected with the described LED lamp panel in described control and display device by described high-speed transmission line, and the LED lamp panel between described control and display device is interconnected by described high-speed transmission line.
8. LED display display control program according to claim 5, it is characterised in that described high-speed transmission line is gigabit network cable, 100,000,000 netting twines.
9. the LED display display control program according to claim 5 to 8 any one, it is characterised in that described control system also includes:
Video source apparatus, described video source apparatus is connected with described sending card by video interface, and described video source apparatus is for sending described video signal to described sending card.
10. a LED display display control program, it is characterised in that including:
Sending card, controls and display device；
Described control and display device include LED lamp panel and the scanning card as described in Claims 1-4 any one, and described scanning card is arranged in described LED lamp panel；
Described sending card comprises multiple output interface, and multiple described controls and display device are connected in series by high-speed transmission line, and the multiple output interfaces obtaining a plurality of series circuit and described sending card connect one to one；
Described sending card for being converted to digital signal by the video signal received, and is allocated by described digital signal, exports connected control and display device from the plurality of output interface；
Scanning card in described control and display device is for processing the digital signal received, and stores the information of described LED lamp panel, and drives described LED lamp panel to display.
11. LED display display control program according to claim 10, it is characterized in that, the described output interface of described sending card is connected with the described scanning card in the control being directly connected and display device by described high-speed transmission line, and the scanning card between described control and display device is interconnected by described high-speed transmission line.
12. LED display display control program according to claim 10, it is characterized in that, the described output interface of described sending card is connected with the described LED lamp panel in the control being directly connected and display device by described high-speed transmission line, and the LED lamp panel between described control and display device is interconnected by described high-speed transmission line.
13. LED display display control program according to claim 10, it is characterised in that described high-speed transmission line is gigabit network cable or 100,000,000 netting twines.
14. the LED display display control program according to claim 10 to 13 any one, it is characterised in that described control system also includes:
Video source apparatus, described video source apparatus is connected with described sending card by video interface, and described video source apparatus is for sending described video signal to described sending card.
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| CN201410810143.9A CN105788513B (en) | 2014-12-22 | 2014-12-22 | A kind of scanning card and LED display display control program |
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| CN201410810143.9A CN105788513B (en) | 2014-12-22 | 2014-12-22 | A kind of scanning card and LED display display control program |
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