CN107731154B - LED display screen data backup device and method and terminal equipment - Google Patents
LED display screen data backup device and method and terminal equipment Download PDFInfo
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- CN107731154B CN107731154B CN201710945452.0A CN201710945452A CN107731154B CN 107731154 B CN107731154 B CN 107731154B CN 201710945452 A CN201710945452 A CN 201710945452A CN 107731154 B CN107731154 B CN 107731154B
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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]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1608—Error detection by comparing the output signals of redundant hardware
- G06F11/1616—Error detection by comparing the output signals of redundant hardware where the redundant component is an I/O device or an adapter therefor
- G06F11/162—Displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
Abstract
The invention is suitable for the technical field of LED display screens, and provides a device and a method for backing up data of an LED display screen and terminal equipment, wherein the device comprises: the LED display screen comprises M LED display screens, wherein each LED display screen is provided with N first data interfaces and K second data interfaces, and the N first data interfaces and the K second data interfaces are respectively arranged at two ends of the LED display screen; the M control units are respectively connected with each LED display screen; the control unit is used for respectively detecting whether the first data interfaces and the second data interfaces of the LED display screen connected with the control unit can be communicated or not, one of the first data interfaces which can be communicated is used as a first connection data interface, and one of the second data interfaces which can be communicated is used as a second connection data interface. The invention can avoid data interruption caused by data interface failure.
Description
Technical Field
The invention belongs to the technical field of LED display screens, and particularly relates to a device and a method for backing up data of an LED display screen and terminal equipment.
Background
The LED display screen data interface generally comprises two IEEE-802.3 standard Ethernet interfaces, which are called an A port and a B port, video data can be input through the A port or the B port, and the two interfaces are backups for each other. The large LED screen or the ultra-large LED screen is usually formed by splicing a plurality of LED display screens, two adjacent LED display screens are communicated through a data line or a connector to realize data transmission, and when the data connection between more than 2 LED display screens in the LED spliced display screens breaks down, data interruption can be caused. For example, as shown in fig. 1, an LED tiled display screen is formed by splicing 4 LED display screens, a video source provides 2 video output interfaces for backup, when a data connection between the LED display screen 1 and the LED display screen 2 fails, the LED display screen 1 provides data through the output interface 1 by the video source, and the LED display screens 2 to 4 provide data through the output interface 2 by the video source, but when the data connection between the LED display screen 3 and the LED display screen 4 fails at the same time, data interruption may be caused.
Disclosure of Invention
In view of this, embodiments of the present invention provide an LED display screen data backup device, method and terminal device, so as to solve the problem of data interruption caused when a data connection in an LED display screen fails in the prior art.
A first aspect of an embodiment of the present invention provides an LED display screen data backup apparatus, including:
the LED display screen comprises M LED display screens, wherein each LED display screen is provided with N first data interfaces and K second data interfaces, and the N first data interfaces and the K second data interfaces are respectively arranged at two ends of the LED display screen;
the M control units are respectively connected with each LED display screen;
the control unit is used for:
detecting whether the first data interfaces of the LED display screen connected with the control unit can be communicated or not, and taking one of the first data interfaces which can be communicated as a first connection data interface;
detecting whether each second data interface of the LED display screen connected with the control unit can be communicated or not, and taking one of the second data interfaces which can be communicated as a second connection data interface;
wherein M, N and K are both integers greater than 1.
Optionally, the control unit includes a detection unit and a connection unit;
the detection unit is used for detecting whether the first data interfaces of the LED display screen connected with the control unit can be communicated one by one, stopping detection when the first data interfaces are detected to be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface; and
detecting whether the second data interfaces of the LED display screen connected with the control unit can be communicated one by one, stopping detection when the second data interfaces are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface;
the connecting unit is used for connecting the first connecting data interface with the corresponding first connecting data interface on the LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface with the corresponding second connecting data interface on the LED display screen adjacent to the second connecting data interface. .
Optionally, the control unit includes a detection unit and a connection unit;
the detection unit is used for simultaneously detecting whether the first data interfaces of the LED display screen connected with the control unit can be communicated or not, stopping detection when the first data interfaces are detected to be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface; and
simultaneously detecting whether the second data interfaces of the LED display screen connected with the control unit can be communicated or not, stopping detection when the second data interfaces are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface;
the connecting unit is used for connecting the first connecting data interface with the corresponding first connecting data interface on the LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface with the corresponding second connecting data interface on the LED display screen adjacent to the second connecting data interface. Optionally, the detection unit includes a first physical layer chip, a field programmable gate array, and a second physical layer chip; the first physical layer chip is connected with the first data interface, the second physical layer chip is connected with the second data interface, and the field programmable gate array is respectively connected with the first physical layer chip and the second physical layer chip.
Optionally, the connection unit is a control key or an upper computer.
A second aspect of the embodiments of the present invention provides a backup method for an LED display screen data backup apparatus provided in the first aspect of the embodiments of the present invention, including:
respectively detecting whether N first data interfaces of M LED display screens can be communicated or not, and taking one of the first data interfaces which can be communicated as a first connection data interface;
and respectively detecting whether K second data interfaces of the M LED display screens can be communicated or not, and taking one of the second data interfaces which can be communicated as a second connection data interface.
Optionally, the detecting whether the N first data interfaces of the M LED display screens can be connected or not respectively, and using one of the first data interfaces that can be connected as a first connection data interface specifically includes:
respectively detecting whether the first data interfaces of the M LED display screens can be communicated one by one, stopping detection when the first data interfaces are detected to be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface; or
Respectively and simultaneously detecting whether the first data interfaces of the M LED display screens can be communicated, stopping detection when detecting that the first data interfaces can be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface.
Optionally, the detecting whether the K second data interfaces of the M LED display screens can be communicated respectively, and using one of the second data interfaces that can be communicated as a second connection data interface specifically includes:
respectively detecting whether the second data interfaces of the M LED display screens can be communicated one by one, stopping detection when the second data interfaces are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface; or
And respectively and simultaneously detecting whether the second data interfaces of the M LED display screens can be communicated, stopping detection when detecting that the second data interfaces can be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface.
A third aspect of the embodiments of the present invention provides a terminal device based on the LED display screen data backup apparatus provided in the first aspect of the embodiments of the present invention, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method described above when executing the computer program.
A third aspect of the embodiments of the present invention provides a computer-readable storage medium of an LED display screen data backup device according to the first aspect of the embodiments of the present invention, where the computer-readable storage medium stores a computer program, and the computer program, when executed by a processor, implements the steps of the method as described above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: according to the embodiment of the invention, N first data interfaces and K second data interfaces are respectively arranged on M LED display screens, whether each first data interface and each second data interface of the LED display screen connected with the control unit can be communicated or not is detected by the control unit, one of the first data interfaces capable of being communicated is used as a first connecting data interface, one of the second data interfaces capable of being communicated is used as a second connecting data interface, and data interruption caused by data interface faults of the LED display screen can be avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a conventional LED display screen according to the present invention;
fig. 2 is a schematic structural diagram of an LED display screen data backup device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a detecting unit according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating an implementation of a data backup method for an LED display screen according to a second embodiment of the present invention;
fig. 5 is a block diagram of a data backup terminal device of an LED display screen according to a third embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Example one
Referring to fig. 2, fig. 2 is a schematic structural diagram of an LED display data backup device according to an embodiment of the present invention, the device includes: m LED display screens 201, wherein one end of each LED display screen 201 is provided with N first data interfaces 202, for example, the N first data interfaces are a1、A2、A3…ANThe other end of each LED display screen 201 is provided with K second data interfaces 203, for example, the K second data interfaces are respectively B1、B2、B3…BKThe number N of the first data interfaces 202 and the number K of the second data interfaces 203 may be the same or different, and are not limited herein. The device also includes: m control units 204, and each LED display screen 201 is connected with one control unit 204. The control unit 204 is configured to detect whether each first data interface 202 of the LED display 201 connected to the control unit 204 is capable of communicating, and use one of the first data interfaces capable of communicating as a first connection data interface; detecting connection to control unit 204Whether each second data interface 203 of the LED display 201 can be connected or not is determined, and one of the connectable second data interfaces is used as a second connection data interface; wherein M, N and K are both integers greater than 1.
In the embodiment of the invention, when M is 1, the LED display screen is a single LED display screen, and when M is larger than 1, the LED spliced display screen is adopted. The first data interface 202 and the second data interface 203 may be used as both input interfaces and output interfaces, that is, data may be input from the first data interface 202 and output from the second data interface 203, or data may be input from the second data interface 203 and output from the first data interface 202.
In the embodiment of the present invention, the control unit 204 connected to the LED display screen 201 detects whether the respective first data interface 202 and the second data interface 203 of the LED display screen 201 can be connected, and uses one of the connectable first data interface and one of the connectable second data interface as the first connection data interface and the second connection data interface, respectively. For example, as shown in fig. 1, a first data interface a of the LED display screen 1 is detected by the control unit 12And a second data interface B1Can be communicated, and a first data interface A of the LED display screen 2 is detected by the control unit 21And a second data interface B2Can be communicated, and detects a first data interface A of the LED display screen 3 through the control unit 32And a second data interface B1Can communicate with each other, analogizes, and detects the first data interface A of the LED display screen M through the control unit M1And a second data interface B1And the LED display screens can be communicated, a first data interface which can be communicated of each detected LED display screen is used as a first communication data interface, and a second data interface which can be communicated is used as a second communication data interface.
Optionally, the control unit 204 includes: a detection unit and a connection unit; the detection unit is used for: detecting whether the first data interfaces 202 of the LED display 201 connected to the control unit 204 can be connected one by one, and stopping detection when detecting that the first data interfaces 202 can be connected, and using one of the first data interfaces that can be connected as a first connection data interface; detecting whether the second data interfaces 203 of the LED display screen 201 connected with the control unit 204 can be communicated one by one, stopping detection when the second data interfaces 203 are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface; the connecting unit is used for connecting the first connecting data interface with the corresponding first connecting data interface on the LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface with the corresponding second connecting data interface on the LED display screen adjacent to the second connecting data interface, so that the M LED display screens 201 are sequentially connected.
In the embodiment of the present invention, detection priorities are set for the N first data interfaces 202 and the K second data interfaces 203 of the LED display screen 201, respectively, and when the detection unit detects each first data interface 202 and each second data interface 203 of the LED display screen 201, detection is performed in sequence according to the priorities of the first data interface 202 and the second data interface 203. For example, the priority of the N first data interfaces of the LED display screen 1 is a from high to low1、A2、A3…ANThe priority of the K second data interfaces is B from high to low1、B2、B3…BKWhen detecting the first data interfaces 202 of the LED display 1, the detecting unit first detects the first data interface a according to the priority1Detect the first data interface A1When the data can be connected, the detection is stopped, and the first data interface A is connected1As the first connection data interface, the first data interface a is detected1When the connection can not be made, the first data interface A is continuously detected2And taking the first data interface capable of being communicated as a first connection data interface until the first data interface capable of being communicated is detected. When detecting the second data interface, the detection unit firstly detects the second data interface B according to the priority1Detecting the second data interface B1When the connection can be realized, the detection is stopped, and the second data interface B is connected1As a firstTwo connected data interfaces, detecting a second data interface B1When the connection can not be made, the second data interface B is continuously detected2And taking the second data interface capable of being communicated as a second connection data interface until the second data interface capable of being communicated is detected. The priority of each of the first data interface 202 and the second data interface 203 of the M LED display screens 201 may be the same or different, and is not limited herein.
In the embodiment of the present invention, the connection unit sequentially connects the M LED display screens 201 through the first connection data interface and the second connection data interface, as shown in fig. 1, the second data interface B of the LED display screen 11First data interface A with LED display screen 21Connected, a second data interface B of the LED display screen 22First data interface A with LED display screen 32Connecting, analogizing in turn, connecting the second data interface of the LED display screen M-1 with the first data interface A of the LED display screen M1Connect and connect the video source 205 with the first data interface A of the LED display screen 12Connected to, or connected to, the first data interface B of the LED display screen M1Connected (not shown in the drawings).
Optionally, the number N of the first data interfaces 202 and the number K of the second data interfaces 203 are both 2, that is, the M LED display screens are respectively provided with 2 first data interfaces 202 and 2 second data interfaces 203. The 2 first data interfaces 202 and the 2 second data interfaces 203 can meet the requirements, and the complex wiring and the cost increase caused by excessive data interfaces are avoided.
Optionally, the control unit includes a detection unit and a connection unit; the detection unit is configured to detect whether each of the first data interfaces 202 of the LED display 201 connected to the control unit 204 can be connected at the same time, and when it is detected that the first data interfaces 202 can be connected, stop the detection, and use one of the first data interfaces that can be connected as a first connection data interface; simultaneously detecting whether the second data interfaces 203 of the LED display screen 201 connected with the control unit 204 can be communicated, stopping detection when the second data interfaces are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface; the connecting unit is used for connecting the first connecting data interface with the corresponding first connecting data interface on the LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface with the corresponding second connecting data interface on the LED display screen adjacent to the second connecting data interface, so that the M LED display screens 201 are sequentially connected.
In the embodiment of the present invention, the detecting unit detects N first data interfaces a of the LED display screen 201 simultaneously1、A2、A3…ANWhen the first data interface with a signal is detected, for example, the detection unit corresponding to the LED display screen 1 detects the first data interface a of the LED display screen 12If the signal exists, the detection is stopped, and the data interface is used as a first connection data interface. The detection unit detects K second data interfaces B simultaneously1、B2、B3…BKWhen the second data interface with signal is detected, for example, the detection unit corresponding to the LED display screen 1 detects the second data interface B of the LED display screen 13And if the signal exists, stopping detection, and using the data interface as a second connection data interface.
In the embodiment of the present invention, the connection unit sequentially connects the M LED display screens 201 through the first connection data interface and the second connection data interface, as shown in fig. 1, the second data interface B of the LED display screen 11First data interface A with LED display screen 21Connected, a second data interface B of the LED display screen 22First data interface A with LED display screen 32Connecting, analogizing in turn, connecting the second data interface of the LED display screen M-1 with the first data interface A of the LED display screen M1Connect and connect the video source 205 with the first data interface A of the LED display screen 12Connected to, or connected to, the first data interface B of the LED display screen M1Connected (not shown in the drawings).
Referring to fig. 3, fig. 3 is a schematic structural diagram of a detecting unit according to an embodiment of the present invention, where the detecting unit 300 includes: a first Physical layer (PHY) chip 301, a Field-programmable gate Array (FPGA) 302, and a second Physical layer (PHY) chip 303; the first Physical layer (PHY) chip 301 is connected to the first data interface 202, the second Physical layer (PHY) chip 303 is connected to the second data interface 203, and the Field-Programmable Gate Array (FPGA) 302 is connected to the first Physical layer (PHY) chip 301 and the second Physical layer (PHY) chip 303, respectively.
Optionally, the connection unit is a control key or an upper computer. In the embodiment of the present invention, after the detecting unit detects the first connection data interface and the second connection data interface, an indicator is displayed at the first connection data interface and the second connection data interface of the respective LED display screen 201, for example, each of the first data interface 202 and the second data interface 203 is provided with an indicator light, and after the connected first data interface and the connected second data interface are detected, the indicator light corresponding to the first data interface and the second data interface respectively lights up, and selecting one communicated first data interface as a first connection data interface and one communicated second data interface as a second connection data interface through the control key, and connecting the corresponding first connection data interface and the second connection data interface with the first connection data interface and the second connection data interface of the adjacent LED display screen so as to sequentially connect M LED display screens 201. Or after the detection unit detects the first connection data interface and the second connection data interface, the upper computer connects the M LED display screens 201 in sequence through the first connection data interface and the second connection data interface.
According to the embodiment of the invention, N first data interfaces and K second data interfaces are respectively arranged on M LED display screens, whether each first data interface and each second data interface of the LED display screen connected with the control unit can be communicated or not is detected by the control unit, one of the first data interfaces capable of being communicated is used as a first connecting data interface, and one of the second data interfaces capable of being communicated is used as a second connecting data interface, so that data interruption caused by data interface failure can be avoided, and a video source only needs one output interface, so that the number of output interfaces of the video source is reduced.
Example two
Referring to fig. 4, fig. 4 is a flowchart illustrating an implementation of a backup method of an LED display screen data backup apparatus according to a first embodiment of the present invention, where the method includes the following steps:
step S401, respectively detecting whether N first data interfaces of M LED display screens can be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface;
step S402, respectively detecting whether K second data interfaces of the M LED display screens can be communicated or not, and taking one of the second data interfaces which can be communicated as a second connection data interface. Optionally, the implementation manner of step S401 is specifically:
respectively detecting whether the first data interfaces of the M LED display screens can be communicated one by one, stopping detection when the first data interfaces are detected to be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface; or
Respectively and simultaneously detecting whether the first data interfaces of the M LED display screens can be communicated, stopping detection when detecting that the first data interfaces can be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface.
Optionally, the implementation manner of step S402 is specifically:
respectively detecting whether the second data interfaces of the M LED display screens can be communicated one by one, stopping detection when the second data interfaces are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface; or
And respectively and simultaneously detecting whether the second data interfaces of the M LED display screens can be communicated, stopping detection when detecting that the second data interfaces can be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface.
Optionally, the method further includes:
and connecting the first connection data interface with the corresponding first connection data interface on the LED display screen adjacent to the first connection data interface, and connecting the second connection data interface with the corresponding second connection data interface on the LED display screen adjacent to the second connection data interface, so that the M LED display screens are sequentially connected.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
EXAMPLE III
Referring to fig. 5, fig. 5 is a block diagram of a terminal device of an LED display screen data backup apparatus according to a first embodiment of the present invention. As shown in fig. 5, the terminal device 500 of this embodiment includes: a processor 501, a memory 502 and a computer program 503 stored in said memory 502 and executable on said processor 501. The processor 501 executes the computer program 503 to implement the steps of the second LED display data backup method according to the above embodiment, for example, steps S401 to S402 shown in fig. 4.
Illustratively, the computer program 503 may be partitioned into one or more modules/units that are stored in the memory 502 and executed by the processor 501 to implement the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used for describing the execution process of the computer program 503 in the LED display screen data backup terminal device 500. For example, the computer program 503 may be divided into a first detection unit, a second detection unit and a connection unit, and each unit has the following specific functions:
the first detection unit is used for: whether N first data interfaces of M LED display screens can be communicated is detected respectively, and one first data interface of the first data interfaces which can be communicated is used as a first connection data interface.
The second detection unit is used for: and respectively detecting whether K second data interfaces of the M LED display screens can be communicated or not, and taking one of the second data interfaces which can be communicated as a second connection data interface.
The connecting unit is used for connecting the corresponding first connecting data interface and the second connecting data interface with the first connecting data interface and the second connecting data interface of the adjacent LED display screens, so that the M LED display screens are sequentially connected.
The LED display data backup terminal device 500 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The LED display screen data backup terminal device can include, but is not limited to, a processor 501 and a memory 502. Those skilled in the art will appreciate that fig. 5 is merely an example of the LED display screen data backup terminal device 500, and does not constitute a limitation of the LED display screen data backup terminal device 500, and may include more or less components than those shown, or combine some components, or different components, for example, the LED display screen data backup terminal device may further include an input-output device, a network access device, a bus, etc.
The Processor 501 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 502 may be an internal storage unit of the LED display data backup terminal device 500, such as a hard disk or a memory of the LED display data backup terminal device 500. The memory 502 may also be an external storage device of the LED display screen data backup terminal device 500, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are equipped on the LED display screen data backup terminal device 500. Further, the memory 502 may also include both an internal storage unit and an external storage device of the LED display screen data backup terminal device 500. The memory 502 is used for storing the computer program and other programs and data required by the LED display data backup terminal device. The memory 502 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A LED display screen data backup device is characterized by comprising:
the LED display screen comprises M LED display screens, wherein each LED display screen is provided with N first data interfaces and K second data interfaces, and the N first data interfaces and the K second data interfaces are respectively arranged at two ends of the LED display screen;
the M control units are respectively connected with each LED display screen;
the control unit is used for:
detecting whether the first data interfaces of the LED display screen connected with the control unit can be communicated or not, and taking one of the first data interfaces which can be communicated as a first connection data interface;
detecting whether each second data interface of an LED display screen connected with the control unit can be communicated or not, and taking one of the second data interfaces which can be communicated as a second connection data interface;
connecting a first connecting data interface of an LED display screen with a corresponding second connecting data interface on the previous LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface of the LED display screen with a corresponding first connecting data interface on the next LED display screen adjacent to the second connecting data interface, so that M LED display screens are sequentially connected;
wherein M, N and K are both integers greater than 1.
2. The LED display screen data backup device of claim 1, wherein the control unit comprises a detection unit and a connection unit;
the detection unit is used for detecting whether the first data interfaces of the LED display screen connected with the control unit can be communicated one by one, stopping detection when the first data interfaces are detected to be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface; and
detecting whether the second data interfaces of the LED display screen connected with the control unit can be communicated one by one, stopping detection when the second data interfaces are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface;
the connecting unit is used for connecting the first connecting data interface of the LED display screen with the corresponding second connecting data interface on the last LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface of the LED display screen with the corresponding first connecting data interface on the next LED display screen adjacent to the second connecting data interface, so that the M LED display screens are sequentially connected.
3. The LED display screen data backup device of claim 1, wherein the control unit comprises a detection unit and a connection unit;
the detection unit is used for simultaneously detecting whether the first data interfaces of the LED display screen connected with the control unit can be communicated or not, stopping detection when the first data interfaces are detected to be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface; and
simultaneously detecting whether the second data interfaces of the LED display screen connected with the control unit can be communicated or not, stopping detection when the second data interfaces are detected to be communicated, and taking the second data interfaces capable of being communicated as second connection data interfaces;
the connecting unit is used for connecting the first connecting data interface of the LED display screen with the corresponding second connecting data interface on the last LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface of the LED display screen with the corresponding first connecting data interface on the next LED display screen adjacent to the second connecting data interface, so that the M LED display screens are sequentially connected.
4. The LED display screen data backup device according to claim 2 or 3, wherein the detection unit comprises a first physical layer chip, a field programmable gate array and a second physical layer chip; the first physical layer chip is connected with the first data interface, the second physical layer chip is connected with the second data interface, and the field programmable gate array is respectively connected with the first physical layer chip and the second physical layer chip.
5. The LED display screen data backup device according to claim 2 or 3, wherein the connection unit is a control key or an upper computer.
6. The backup method of the LED display screen data backup device based on claim 1 is characterized by comprising the following steps:
respectively detecting whether N first data interfaces of M LED display screens can be communicated or not, and taking one of the first data interfaces which can be communicated as a first connection data interface;
respectively detecting whether K second data interfaces of the M LED display screens can be communicated or not, and taking one of the second data interfaces which can be communicated as a second connection data interface;
and connecting the first connecting data interface of the LED display screen with the corresponding second connecting data interface on the previous LED display screen adjacent to the first connecting data interface, and connecting the second connecting data interface of the LED display screen with the corresponding first connecting data interface on the next LED display screen adjacent to the second connecting data interface, so that the M LED display screens are sequentially connected.
7. The backup method according to claim 6, wherein the detecting whether the N first data interfaces of the M LED display screens can be connected respectively, and using one of the first data interfaces that can be connected as a first connection data interface specifically includes:
respectively detecting whether the first data interfaces of the M LED display screens can be communicated one by one, stopping detection when the first data interfaces are detected to be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface; or
Respectively and simultaneously detecting whether the first data interfaces of the M LED display screens can be communicated, stopping detection when detecting that the first data interfaces can be communicated, and taking one of the first data interfaces which can be communicated as a first connection data interface.
8. The backup method according to claim 6, wherein the detecting whether the K second data interfaces of the M LED display screens can be connected respectively, and using one of the connectable second data interfaces as a second connection data interface specifically includes:
respectively detecting whether the second data interfaces of the M LED display screens can be communicated one by one, stopping detection when the second data interfaces are detected to be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface; or
And respectively and simultaneously detecting whether the second data interfaces of the M LED display screens can be communicated, stopping detection when detecting that the second data interfaces can be communicated, and taking one of the second data interfaces which can be communicated as a second connection data interface.
9. A terminal device based on the LED display screen data backup device of claim 1, comprising a memory, a processor and a computer program stored in the memory and operable on the processor, wherein the processor implements the steps of the method of any one of claims 6 to 8 when executing the computer program.
10. A computer-readable storage medium based on the LED display screen data backup device of claim 1, the computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the steps of the method of any one of claims 6 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710945452.0A CN107731154B (en) | 2017-10-12 | 2017-10-12 | LED display screen data backup device and method and terminal equipment |
| PCT/CN2018/085947 WO2019071941A1 (en) | 2017-10-12 | 2018-05-08 | Led display screen data backup apparatus, method, and terminal device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710945452.0A CN107731154B (en) | 2017-10-12 | 2017-10-12 | LED display screen data backup device and method and terminal equipment |
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| CN107731154A CN107731154A (en) | 2018-02-23 |
| CN107731154B true CN107731154B (en) | 2020-02-21 |
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| CN107731154B (en) * | 2017-10-12 | 2020-02-21 | 深圳市奥拓电子股份有限公司 | LED display screen data backup device and method and terminal equipment |
| CN112885294B (en) * | 2021-01-27 | 2023-04-07 | 深圳市帝麦德斯科技有限公司 | LED drive chip, drive circuit and display unit of dual signal source input |
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| CN103049234A (en) * | 2012-12-04 | 2013-04-17 | 深圳市金立通信设备有限公司 | Terminal, system and method for dual-unit cooperative work |
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| WO2019071941A1 (en) | 2019-04-18 |
| CN107731154A (en) | 2018-02-23 |
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