CN211237106U

CN211237106U - Multi-display screen system

Info

Publication number: CN211237106U
Application number: CN201922453492.0U
Authority: CN
Inventors: 刘延; 韩丹
Original assignee: Xian Novastar Electronic Technology Co Ltd
Current assignee: Xian Novastar Electronic Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-11
Anticipated expiration: 2029-12-31

Abstract

The embodiment of the utility model provides a many display screen systems. The multi-display system includes: an upper computer; the wireless spread spectrum communication base station is connected with the upper computer; and the display screens are connected with the wireless spread spectrum communication base station and can be movably dispersed at different positions in the signal coverage range of the wireless spread spectrum communication base station. The embodiment of the utility model provides a many display screen systems can show better performance effect.

Description

Multi-display screen system

Technical Field

The utility model relates to a show technical field, especially relate to a many display screen system.

Background

At present, the LED display screen is developed towards low power consumption, small spacing and lighter and thinner, wherein the LED full-color display screen has natural display advantages of bright color and high brightness, and is applied to various industries. In the event of the event performance, the director can continuously innovate own artistic creation, and the artistic creation of the director needs to be realized by matching with various performance props, however, the existing performance props are difficult to meet the requirements of the director on the artistic creation.

Therefore, it is an object of the present invention to provide a prop that can exhibit a better performance.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a many display screen systems can show better performance effect.

Specifically, the embodiment of the utility model provides a pair of many display screen system, include: an upper computer; the wireless spread spectrum communication base station is connected with the upper computer; and the display screens are connected with the wireless spread spectrum communication base station and can be movably dispersed at different positions in the signal coverage range of the wireless spread spectrum communication base station.

The existing performance prop is difficult to meet the requirement of a director on artistic creation. The embodiment of the utility model provides a many display screen system, host computer can issue control command and send to a plurality of display screens via wireless spread spectrum communication basic station to carry out corresponding operation by a plurality of display screens response control command, can show better performance effect, satisfy the demand of director on artistic creation, increase performance rendering power and infectivity, can also use other technical field, extensive applicability.

The utility model discloses an in the embodiment, the host computer is provided with first serial interface, wireless spread spectrum communication base station is provided with second serial interface, the host computer first serial interface connect wireless spread spectrum communication base station the second serial interface.

In an embodiment of the present invention, each of the plurality of display screens includes: a display screen body; the control card, connect the display screen body, include: a wireless spread spectrum communication module; the processor is connected with the wireless spread spectrum communication module; and the programmable logic device is connected with the processor and the display screen body.

In an embodiment of the present invention, the control card of the display screen further includes: and the mobile network module is connected with the processor.

In an embodiment of the present invention, the control card of the display screen further includes: and the Ethernet interface is connected with the processor.

In an embodiment of the present invention, the control card of the display screen further includes: and the mobile storage device interface is connected with the processor.

In an embodiment of the present invention, the media server includes a plurality of media folders corresponding to the plurality of display screens one-to-one, each media folder name includes an address code of the corresponding display screen, and each media folder includes at least one media.

In an embodiment of the present invention, the mobile storage device includes a plurality of media folders corresponding to the plurality of display screens one-to-one, each media folder name includes an address code of the corresponding display screen, and each media folder includes at least one media.

In an embodiment of the present invention, the control card of the display screen further includes: and the indicator light is connected with the processor to indicate whether the program updating is finished or not.

One or more of the above technical solutions may have the following advantages or beneficial effects: the upper computer can issue a control instruction and send the control instruction to the plurality of display screens through the wireless spread spectrum communication base station, so that the plurality of display screens which can be movably dispersed at different positions respond to the control instruction to perform corresponding operation, better performance effect can be displayed, the requirement of a director on artistic creation is met, performance rendering power and infection power are increased, the wireless spread spectrum communication base station can be applied to other technical fields, and the applicability is wide; through setting up the pilot lamp, can whether the program update is accomplished to the real-time supervision display screen, promoted user experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multi-display screen system according to an embodiment of the present invention.

Fig. 2 is a connection relationship diagram of the upper computer 11 and the wireless spread spectrum communication base station 12 in the multi-display screen system shown in fig. 1.

Fig. 3 is a schematic diagram showing a structure of the display 13 in the multi-display system shown in fig. 1.

Fig. 4 is a schematic structural diagram of a control card 132 in the display 13 shown in fig. 3.

Fig. 5 is another schematic structural diagram of the control card 132 in the display 13 shown in fig. 3.

Fig. 6 is a schematic diagram of another structure of the control card 132 in the display 13 shown in fig. 3.

Fig. 7 is a schematic structural diagram of a specific implementation manner of the multi-display screen system according to an embodiment of the present invention.

Fig. 8 is a schematic diagram of a media folder according to an embodiment of the present invention.

[ brief description of the drawings ]

10: a multi-display screen system; 11: an upper computer; 12: a wireless spread spectrum communication base station; 111: a first serial interface;

121: a second serial interface; 13: a display screen; 131: a display screen body; 132: a control card; 1321: a processor; 1322: a wireless spread spectrum communication module; 1323: a programmable logic device; 1324: a mobile network module; 1325: an extranet interface; 1326: a mobile storage device interface; 1327: and an indicator light.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should also be understood that, in the various embodiments of the present application, the sequence numbers of the processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the inherent logic of the processes, but should not constitute any limitation to the implementation process of the embodiments of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be further noted that the term "and/or" is only one kind of association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Referring to fig. 1, an embodiment of the present invention provides a multi-display screen system. As shown in FIG. 1, a multi-display screen system 10 includes, for example: host computer 11, wireless spread spectrum communication base station 12 and a plurality of display screens 13. Of course, the present invention is not limited to the specific number of the plurality of display screens 13.

The upper computer 11 is used for issuing a control instruction. The wireless spread spectrum communication base station 12 is connected with the upper computer 11 and used for receiving the control instruction, carrying out protocol conversion on the control instruction to obtain a converted control instruction, and sending the converted control instruction in a wireless spread spectrum communication mode. The plurality of display screens 13 are connected to the wireless spread spectrum communication base station 12, and are movably dispersed at different positions within the signal coverage range of the wireless spread spectrum communication base station 12 at different positions, and are used for receiving the converted control command sent by the wireless spread spectrum communication base station 12 in a wireless spread spectrum communication manner, and analyzing the converted control command to obtain the control command so as to synchronously complete corresponding operations.

Specifically, the host computer 11 is, for example, a personal computer, a hand-held device, a portable device, a tablet device, a multiprocessor system, a microprocessor-based system, an editable consumer electronics device, a network PC, a minicomputer, a mainframe computer, a distributed computing environment that includes any of the above systems or devices, or the like. The mentioned control instructions include, for example, program control instructions, screen body control instructions and system adjustment instructions. The mentioned program control instructions include, for example: the program updating instruction, the program playing instruction, the program pausing instruction, the program switching instruction or the program playing instruction at the specified position. The screen body control instructions mentioned include, for example: displaying a control instruction or a parameter adjusting instruction. The mentioned system adjustment instructions include, for example: a time update instruction, or an upgrade update instruction. The mentioned program switching instruction includes, for example: next program instruction, previous program instruction, or a specified program instruction. The mentioned display control instructions include, for example: a blank screen instruction or an open screen instruction. The parameter adjustment instructions mentioned include, for example: a brightness adjustment instruction or a color temperature adjustment instruction. The upgrade update instructions mentioned include, for example: program upgrade instructions or information configuration instructions.

The wireless spread spectrum communication base station 12 is, for example, a Lora base station, which is also called a Lora gateway, where Lora is an abbreviation of Long Range, which is a Long-distance wireless transmission technology based on spread spectrum technology, and is one of LPWAN communication technologies, and LPWAN is an abbreviation of Low Power Wide Area Network (Low Power Wide Area Network). The protocol conversion mentioned is, for example, protocol conversion of the control command based on the Lora protocol to be issued by wireless spread spectrum communication. It should be noted that the wireless spread spectrum communication base station 12 provided in this embodiment has a frequency hopping function in addition to the protocol conversion, that is, the frequency information of the plurality of display screens 13 can be changed.

Further, as shown in fig. 2, for example, the upper computer 11 is provided with a first serial interface 111, for example, the wireless spread spectrum communication base station 12 is provided with a second serial interface 121, and the first serial interface 111 of the upper computer 11 is connected to the second serial interface 121 of the wireless spread spectrum communication base station 12. The first serial interface 111 is, for example, a USB interface. The second serial interface 121 is, for example, an RS485 interface or an RS232 interface. The first serial interface 111 and the second serial interface 121 are connected by, for example, a USB-to-RS 485 connection line or a USB-to-RS 232 connection line.

The display 13 can be understood as a hand-held LED display, which is different from the conventional fixed LED display, and the display 13 can be held by a user and can be moved to change positions freely. The multiple display screens 13 in the multi-display system 10 may form a complete picture when playing a program, and each display screen 13 displays a part of the complete picture. The plurality of display screens 13 may perform corresponding operations according to the control instruction, for example: in response to the control command being a program control command, the plurality of display screens 13 are configured to perform program control in response to the program control command; or the plurality of display screens 13 are used for responding to the screen body control instruction to perform screen body control in response to the screen body control instruction; or in response to the control command being a system adjustment command, the plurality of display screens 13 are used for performing system adjustment in response to the system adjustment command. Specifically, in response to the control instruction being a program update instruction, the plurality of display screens 13 are configured to complete program update in response to the program update instruction, where the program update includes, for example, three ways, access to the media server through a cable network for update, access to the media server through a mobile network for update, or directly access to the mobile storage device for program update, and a description after a related introduction of the specific program update; or in response to the control instruction being a program playing instruction, the multiple display screens 13 are configured to play the specified media in response to the program playing instruction, where the mentioned program playing instruction includes, for example, a playing media serial number; or the control instruction is a program switching instruction in response to the control instruction, the program switching instruction comprises a previous program instruction, a next program instruction or a specified program instruction, and the plurality of display screens 13 are used for switching the played programs in response to the program switching instruction; or in response to the control instruction being a program pause instruction, the plurality of display screens 13 are configured to stop the playing of the current program in response to the program pause instruction; or in response to the control instruction, the multiple display screens 13 are used for adjusting the program to the specified position to play in response to the instruction of playing the program at the specified position; or the plurality of display screens 13 are used for responding to the display control instruction to change the display state of the screen body, namely realizing the black screen state or the bright screen state, wherein the control instruction is a display control instruction which comprises a screen opening instruction or a screen blank instruction; or in response to the control instruction being a parameter adjustment instruction, including a brightness adjustment instruction or a color temperature adjustment instruction, the plurality of display screens 13 are configured to adjust the screen body parameters in response to the parameter adjustment instruction, where the brightness adjustment instruction includes a brightness adjustment value, for example, and the color temperature adjustment instruction includes a color temperature adjustment value, for example; or in response to the control instruction being a time update instruction, the plurality of display screens 13 are configured to update the current time in response to the time update instruction, where the mentioned time update instruction includes the current beijing time; or in response to the control command being an upgrade update command including a program upgrade command or an information configuration command, the plurality of display screens 13 are configured to complete system upgrade or configuration update in response to the upgrade update command.

Further, as shown in fig. 3, each display screen 13 includes, for example: a display screen body 131 and a control card 132 connected to the display screen body 131. The control card 132 includes, for example, a processor 1321, a wireless spread spectrum communication module 1322 connected to the processor 1321, and a programmable logic device 1323 connected to the processor 1321. The wireless spread spectrum communication module 1322 is configured to receive the converted control command sent by the wireless spread spectrum communication base station 12 in a wireless spread spectrum communication manner. The processor 1321 is configured to parse the converted control instruction to obtain the control instruction so as to complete the corresponding operation. The programmable logic device 1321 is connected to the display screen body 131, and is configured to drive the display screen body 131 to perform display.

The display screen body 131 is, for example, an LED display screen body, and the resolution thereof is, for example, 96 × 96 or the like. The processor 1321 is, for example, an arm (advanced RISC machines) processor, a Micro Controller Unit (MCU), or the like. The programmable logic device 1323 is, for example, a Field-programmable gate Array (FPGA). The wireless spread spectrum communication module 1322 is, for example, a Lora module, where Lora is an abbreviation of Long Range, which is a Long-distance wireless transmission technology based on spread spectrum technology, and is also one of LPWAN communication technologies, and LPWAN is an abbreviation of Low Power Wide Area Network (Low Power Wide Area Network). Of course, in other embodiments, the Lora module may be replaced by other wireless spread spectrum communication modules with wireless communication distances in kilometers.

Further, as shown in fig. 4, the control card 132 of the display 13 provided in this embodiment further includes, for example, a mobile network module 1324 connected to the processor 1321. The mobile network module 1324 is also used to connect a media server through a mobile network base station. The media server includes, for example, a plurality of media folders, the plurality of media folders correspond to the plurality of display screens 13 one to one, each media folder name includes an address code of the corresponding display screen, and each media folder includes at least one media. The programs played by the multiple display screens 13 provided in this embodiment form a complete picture, and the address code mentioned above is, for example, a position code, i.e., a row-column two-dimensional coordinate, of the display screen in the complete picture, or a one-dimensional information code, i.e., a serial number of the display screen in the multiple display screens. The mentioned media are for example videos or pictures etc. The names of the media in the same media folder include, for example, the address code and the media playing sequence number of the corresponding next video. The media server is located, for example, in the host computer 11 or on another device. The aforementioned control instructions include program update instructions, and the processor 1321 is configured to obtain the target media from the media server by means of mobile network communication via the mobile network module 1324 in response to the program update instructions to complete the program update. In the embodiment, the program update is completed by setting the mobile network mode and accessing the media server in a mobile network communication mode, so that a wireless program update mechanism is realized. Specifically, the processor 1321 is configured to match the local address code with the address code in each of the names of the media folders in the mentioned media server, and download the at least one media in the media folder that is successfully matched as the target media, so as to complete the program update. Wherein the mobile network module 1324 is, for example, a 4G network module. The processor determines the corresponding media folder through the local address code to download the media to complete the program updating, thereby effectively avoiding the situation of downloading the media corresponding to other display screens and completing the program updating with high efficiency.

Further, as shown in fig. 5, the control card 132 of the display 13 provided in this embodiment further includes, for example, an ethernet interface 1325 connected to the processor 1321. The ethernet interface 1325 is further configured to connect to a media server through a network cable, where the media server includes a plurality of media folders, the plurality of media folders are in one-to-one correspondence with a plurality of display screens, a name of each media folder includes an address code of the corresponding display screen, and each media folder includes at least one media. The aforementioned control instructions include program update instructions, and the processor 1321 is configured to obtain the target media from the media server via the ethernet interface 1325 by means of wired network communication in response to the program update instructions to complete the program update. And the media server is accessed to complete program updating in a wired network communication mode, so that the program updating is more stable. Specifically, the processor 1321 is configured to match the local address code with the address code in each of the names of the media folders in the mentioned media server, and download the at least one media in the media folder that is successfully matched as the target media, so as to complete the program update. The ethernet interface 1325 is, for example, an RJ45 interface.

Further, as shown in fig. 6, the control card 132 of the display 13 provided in this embodiment further includes, for example, a removable storage device interface 1326 connected to the processor 1321. The removable storage device interface 1326 is further configured to connect to a removable storage device, where the removable storage device includes a plurality of media folders, the plurality of media folders are in one-to-one correspondence with the plurality of display screens, a name of each media folder includes an address code of the corresponding display screen, and each media folder includes at least one media. The programs played by the multiple display screens 13 provided in this embodiment form a complete picture, and the address code mentioned above is, for example, a position code, i.e., a row-column two-dimensional coordinate, of the display screen in the complete picture, or a one-dimensional information code, i.e., a serial number of the display screen in the multiple display screens. The mentioned media are for example videos or pictures etc. The names of the media in the same media folder comprise the address code and the media playing sequence number of the corresponding next video. The aforementioned control instructions include program update instructions, and the processor 1321 is configured to obtain the target media from the removable storage device via the removable storage device interface 1326 in response to the program update instructions to complete the program update. Specifically, the processor 1321 is configured to match the local address code with the address code in each name of the media folder in the mentioned mobile storage device, and download the at least one media in the media folder that is successfully matched as the target media, so as to complete the program update. The removable storage device interface 1326 is, for example, a USB interface, and the mentioned removable storage device is, for example, a USB disk. In the embodiment, the mobile storage device is connected with the mobile storage device for program updating, so that the condition that a cable network or a mobile network is unstable or cannot complete program updating is avoided, and the program updating can be completed without depending on the network.

Further, as shown in fig. 4 to fig. 6, the control card 132 of the display 13 provided in this embodiment further includes: an indicator light 1327 coupled to the processor 1321 for indicating whether the program update is complete. The indicator light 1327 is, for example, an LED light. It should be noted that the embodiment of the present invention does not limit that the indicator light 1327 must be connected to the processor 1321, and it may also be connected to the programmable logic device 1323. Indicator light 1327 indicates whether a program update is complete, such as by flashing an indication, or by changing a light color indication. Whether the program updating is finished or not is indicated by setting the indicating lamp, the program updating can be visually displayed to a user, and the user experience is improved.

To facilitate understanding of the present embodiment, a specific implementation of the multi-display system provided in the present embodiment is described below with reference to fig. 7 and 8.

As shown in fig. 7, the multi-display screen system includes, for example, a computer, a Lora base station, a Lora module, a control system, and an LED display screen body, where fig. 7 only illustrates one LED display screen as an example to illustrate a connection relationship between the LED display screen and the computer and the Lora base station, and in an actual application scenario, the multi-display screen system may involve a plurality of LED display screens, for example, hundreds of LED display screens.

The control system and the Lora module form the control card, the control card and the LED display screen form the LED display screen, and the Lora module can be externally connected with an ARM processor in the control system, namely, the Lora module and the control system are of a split structure; or the Lora module and the control system are arranged on the same circuit board, namely, the Lora module and the control system are of an integral structure.

The playing of the plurality of LED display screens forms a complete picture, and is realized by solidifying the display content in advance in the control card and synchronously playing. The program material is produced in advance as follows:

firstly, making an integral material, namely a material required by a plurality of display screens to display a complete picture, and then cutting the complete picture material according to the number of the display screen bodies, for example: the size of the LED display screen is 96 × 96, the complete picture material is cut according to 96 × 96 pixels corresponding to each LED display screen body to obtain a plurality of materials, namely media, corresponding to the LED display screens respectively, then each media is named according to the format of an address code _ video playing serial number, for example, 0201_01.mov, the former number represents the address code of the LED display screen corresponding to the media, the address code represents a row-column two-dimensional coordinate or a one-dimensional information code, and the next 2-digit number represents the media playing serial number. Then, as shown in fig. 8, a media folder is created according to the address code of each LED display screen, for example, 2 rows and 1 columns are 0201, for example, address codes of 9999 LED display screen bodies are supported, and the media corresponding to each LED display screen is placed in the corresponding media folder. A plurality of media folders corresponding to the plurality of LED display screens are stored in a media server and/or a U disk, for example.

When the LED display screen needs to update programs, the control card can realize three program updating modes.

The first program updating mode is cable network updating, i.e. the ARM processor in the control system is connected to the RJ45 network port, and the RJ45 network port is connected to the media server through the network cable. When an ARM processor in the control system is connected to a network through a wired network cable, media in corresponding media folders can be automatically downloaded from a media server according to local address codes, because naming rules of the media folders are well agreed in advance, as described above, media in the media folders corresponding to the local address codes of the control card can be downloaded by control cards of different LED display screens, and after a program is updated, an indicator lamp arranged on the control card flickers, and the LED display screens can directly play the first media to indicate that the program is updated successfully.

The second program updating mode is 4G network wireless updating, namely, an ARM processor in the control system is connected with a 4G network module, and the 4G network module is connected to a media server through a 4G base station. For example, the Unicom is connected to a 4G base station dedicated to the rehearsal site layout, the Unicom company provides a 4G module of a mini PCIE interface, the 4G module is connected to an ARM processor, and the 4G base station can be connected to the 4G base station when the 4G base station exists. When the ARM processor in the control system is accessed to the 4G network, media in the corresponding media folder can be automatically downloaded from the media server according to the local address codes, after the program is updated, the indicator lamp arranged on the control card flickers, and the LED display screen can directly play the first media to indicate that the program is updated successfully.

The third program updating mode is the updating of the program of the USB flash disk, namely, an ARM processor in the control system is connected with a USB interface, and the USB interface is connected with the USB flash disk. All media folders are stored in the U disk, when the ARM processor detects that the U disk is inserted, the U disk can be automatically downloaded to download media in the corresponding media folders according to local address codes, when a program is updated, an indicator lamp arranged on the control card flashes, and the LED display screen can directly play the first media to indicate that the program is updated successfully.

In the multi-display-screen system, a computer is connected with a Lora base station to send various instructions through Lora wireless signals, and the LED display screen can perform corresponding operation after receiving the instructions. Specifically, the computer issues a play instruction of a specified media sequence number, the control system of the LED display screen can play the specified media after receiving the instruction, the playing is stopped after the playing of the media is finished, and the picture stays to the last frame for displaying. The computer issues a play starting instruction, such as a next media sequence playing instruction, a previous media playing instruction, or a next media playing instruction, and the LED display screen plays the corresponding media after receiving the play starting instruction. And the computer issues a screen blacking or screen opening command, and the control system of the LED display screen executes screen blacking or screen opening operation after receiving the command. The computer issues a time updating instruction, namely, the Beijing time is issued, and the control system of the LED display screen updates the current system time after receiving the instruction. And the computer issues a program updating instruction, and the control system of the LED display screen updates the program after receiving the instruction. And the computer issues an upgrading APP instruction, and the control system of the LED display screen downloads a program upgrading package from the media server for upgrading after receiving the instruction. And the computer issues a screen brightness adjusting instruction, and the control system of the LED display screen adjusts the brightness of the LED display screen body according to the brightness to be adjusted after receiving the instruction. And the computer issues a screen color temperature adjusting instruction, and the control system of the LED display screen adjusts the color temperature of the LED display screen body according to the color temperature to be adjusted after receiving the instruction. And the computer issues a configuration information updating instruction, and the control system of the LED display screen downloads the configuration information on the server, such as APN information or brightness parameters of 4G, and the like, for reconfiguration after receiving the instruction. And the computer issues a program pause instruction, and the control system of the LED display screen pauses the playing of the current program after receiving the instruction. And the computer issues a play instruction of the appointed position, and the control system of the LED display screen appoints the current play position of the current program to play.

In summary, the multi-display system provided in this embodiment sends the control instruction to the plurality of display screens through the upper computer, and the plurality of display screens respond to the control instruction to perform corresponding operations, so that a better performance effect can be achieved, the requirements of a director on artistic creation are met, the performance rendering power and the infection power are increased, and the multi-display system can be applied to other technical fields and has wide applicability; through setting up the pilot lamp, can whether the program update is accomplished to the real-time supervision display screen, promoted user experience.

In the several embodiments provided in the present disclosure, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of one logic function, and an actual implementation may have another division, for example, multiple 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 also be distributed on multiple 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, each functional unit/module in the embodiments of the present invention may be integrated into one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated into one unit/module. The integrated units/modules may be implemented in the form of hardware, or may be implemented in the form of hardware plus software functional units/modules.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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 depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A multi-display system, comprising:

an upper computer;

the wireless spread spectrum communication base station is connected with the upper computer;

and the display screens are connected with the wireless spread spectrum communication base station and can be movably dispersed at different positions in the signal coverage range of the wireless spread spectrum communication base station.

2. The multi-display system of claim 1, wherein the upper computer is provided with a first serial interface, the wireless spread spectrum communication base station is provided with a second serial interface, and the first serial interface of the upper computer is connected with the second serial interface of the wireless spread spectrum communication base station.

3. The multi-display system of claim 1, wherein each display of the plurality of displays comprises:

a display screen body;

the control card, connect the display screen body, include:

a wireless spread spectrum communication module;

the processor is connected with the wireless spread spectrum communication module;

and the programmable logic device is connected with the processor and the display screen body.

4. A multi-display system of claim 3 wherein said control card of said display further comprises: and the mobile network module is connected with the processor.

5. A multi-display system of claim 3 wherein said control card of said display further comprises: and the Ethernet interface is connected with the processor.

6. A multi-display system of claim 3 wherein said control card of said display further comprises: and the mobile storage device interface is connected with the processor.

7. The multi-display system of claim 4 or 5, further comprising: and the media server is connected with the control card and comprises a plurality of media folders which are in one-to-one correspondence with the display screens, the name of each media folder comprises the address code of the corresponding display screen, and each media folder comprises at least one media.

8. The multi-display system of claim 6, wherein the mobile storage device comprises a plurality of media folders in one-to-one correspondence with the plurality of displays, each media folder name comprising an address encoding of the corresponding display, each media folder comprising at least one media.

9. A multi-display system of any one of claims 4 to 6 wherein said control card of said displays further comprises: and the indicator light is connected with the processor to indicate whether the program updating is finished.