CN214480940U - Display screen module communication system based on wireless communication - Google Patents

Abstract

The utility model relates to a display screen module communication system based on wireless communication, which belongs to the technical field of display screen module communication systems based on wireless communication; the technical problem to be solved is as follows: the improvement of the hardware structure of the display screen module communication system based on wireless communication is provided; the technical scheme for solving the technical problems is as follows: the system comprises a host and a slave, wherein the host comprises a main controller and a wireless transmitting module, the main controller is respectively connected with the wireless transmitting module, an Ethernet module, an RS485 module, a TF card module and a FLASH module through wires, a power supply end of the main controller is connected with the power supply module through a wire, the main controller is communicated with an upper computer through the Ethernet module, receives data of the upper computer, and distributes and drives the wireless transmitting module through the data to distribute the data to the slave; the slave controller receives a control command sent by the master controller through the wireless receiving module and drives the display module to display data; the utility model discloses be applied to the display module assembly.

Description

Display screen module communication system based on wireless communication

Technical Field

The utility model relates to a display screen module communication system based on radio communication belongs to display screen module communication system technical field based on radio communication.

Background

Communication among single modules of a display screen in the current market is carried out in a cable mode, a 16-core cable is commonly used, the cost and the failure rate of wires and connectors are high in the actual use process, and particularly the larger display area is more prominent; usually, the lamp needs to be maintained frequently after being used for half a year, although the material cost is not high, the labor cost is high, and the time for finding out a fault lamp is longer as equipment and wires are aged; soft failures occurring after connector joints are oxidized are more difficult to handle, so that a communication sharing system between single display screen modules, which is more stable and controllable, has no failure and is longer in service life, is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of the hardware structure of the display screen module communication system based on wireless communication is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: a display screen module communication system based on wireless communication comprises a host and a slave, wherein the host comprises a main controller and a wireless transmitting module, the main controller is respectively connected with the wireless transmitting module, an Ethernet module, an RS485 module, a TF card module and a FLASH module through wires, a power supply end of the main controller is connected with a power supply module through a wire, the main controller is communicated with an upper computer through the Ethernet module, receives data of the upper computer, and distributes the data to drive the wireless transmitting module to distribute the data to the slave;

the data of the upper computer received by the Ethernet module can be prestored in the TF card module or the FLASH module, and the RS485 module receives a control instruction of the main controller and calls the prestored data stored in the TF card module or the FLASH module;

the slave controller receives a control command sent by the master controller through the wireless receiving module and drives the display module to display data.

The wireless transmitting module and the wireless receiving module specifically adopt a 2.4GHz wireless communication module.

The communication mode between the host and the slave is set to be a master-to-slave communication mode or a multi-master-to-slave communication mode.

The model of a control chip adopted by the master controller and the slave controller is AT32F407VCT 7;

the type of a control chip adopted by the Ethernet module is W5500;

the model of a memory chip adopted by the FLASH module is W25Q128 JVSSITTR;

the model of a power supply chip adopted by the power supply module is AMS 1117-3.3;

the 2.4GHz wireless communication module is particularly a module with the model of SI24R 1;

the model of the control chip adopted by the RS485 module is BL 3085N.

The utility model discloses beneficial effect for prior art possesses does: the utility model provides a display screen module communication system based on radio communication realizes the data communication between the display screen module through the wireless module who adopts 2.4GHz, realizes data distribution and the data transmission to a plurality of display screen modules through setting up of host computer simultaneously, has reduced because circuit trouble and the repair time that use the cable to cause have improved work efficiency.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic diagram of the system structure of the present invention;

fig. 2 is a schematic diagram of a circuit structure of the main controller of the present invention;

fig. 3 is a schematic circuit diagram of the 2.4GHz wireless communication module of the present invention;

fig. 4 is a schematic circuit diagram of the ethernet module of the present invention;

fig. 5 is a schematic diagram of the circuit structure of the RS485 of the present invention;

fig. 6 is a schematic diagram of a circuit structure of the power module of the present invention;

fig. 7 is a schematic circuit structure diagram of the FLASH module of the present invention;

fig. 8 is a schematic diagram of the circuit structure of the SD card module of the present invention.

Detailed Description

As shown in fig. 1 to 8, the utility model relates to a display screen module communication system based on wireless communication, including host computer and slave computer, the host computer includes main control unit, wireless sending module, main control unit passes through the wire and links to each other with wireless sending module, ethernet module, RS485 module, TF card module, FLASH module respectively, main control unit's power end passes through the wire and links to each other with power module, main control unit passes through ethernet module and upper communication, receives the data of host computer, distributes through data drive wireless sending module, distributes data to the slave computer;

the data of the upper computer received by the Ethernet module can be prestored in the TF card module or the FLASH module, and the RS485 module receives a control instruction of the main controller and calls the prestored data stored in the TF card module or the FLASH module;

the slave controller receives a control command sent by the master controller through the wireless receiving module and drives the display module to display data.

The wireless transmitting module and the wireless receiving module specifically adopt a 2.4GHz wireless communication module.

The communication mode between the host and the slave is set to be a master-to-slave communication mode or a multi-master-to-slave communication mode.

The model of a control chip adopted by the master controller and the slave controller is AT32F407VCT 7;

the type of a control chip adopted by the Ethernet module is W5500;

the model of a memory chip adopted by the FLASH module is W25Q128 JVSSITTR;

the model of a power supply chip adopted by the power supply module is AMS 1117-3.3;

the 2.4GHz wireless communication module is particularly a module with the model of SI24R 1;

the model of the control chip adopted by the RS485 module is BL 3085N.

The utility model provides a system which can solve the communication between single modules of a display screen; the data transmission is realized mainly by using a 2.4GHz wireless communication technology; data distribution is realized through frequency division superposition code division; the utility model has the data transmission capability of 1 master and multiple slaves and the data transmission capability of multiple masters and multiple slaves; the utility model particularly adopts a modular combination mode for connection; the utility model discloses an use communication distance restriction technology to restrict communication distance and cover the display screen just.

The host machine of the utility model comprises 1 wireless transmission unit; 1 data processing unit; the main controller comprises an Ethernet interface, an RS485 interface and a 2.4GHz wireless communication interface; comprises a data processing unit and a TF card driver.

The utility model discloses a theory of operation does: the main controller receives data of an upper computer through an Ethernet interface, calculates and distributes the data through the data processing unit, and drives the 2.4GHz module to realize data distribution; the slave machine receives data through the 2.4GHz module, drives the display module to display the data and responds to the host machine; when the slave answers abnormally within the specified time, the master changes the communication channel and executes data transmission again; executing the same jump logic conversion channel from the interior of the slave; the Ethernet interface transmits prestored data to the TF card or the FLASH module; the RS485 interface transmits a control instruction and calls prestored data stored in the TF card or the FLASH; the 2.4GHz communication distance is limited in the display range of the display screen through a self-adaptive technology.

The utility model realizes wireless communication between the display screen modules by mainly adopting 2.4GHz wireless communication to replace the existing cables, and realizes data interaction between the master machine and the slave machine of the display screen modules by adopting the 2.4GHz wireless module; the data distribution of the main controller is realized through 2.4GHz wireless data frequency division multiplexing and code division multiplexing; the data transmission of 1 master and multiple slaves is realized through 2.4GHz wireless data; the data transmission capability of multiple masters and multiple slaves is realized through 2.4GHz wireless data; the limitation of the communication distance is realized through 2.4GHz wireless data.

About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.

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 the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (4)

1. The utility model provides a display screen module communication system based on radio communication, includes host computer and follow machine, its characterized in that: the host comprises a main controller and a wireless sending module, the main controller is respectively connected with the wireless sending module, the Ethernet module, the RS485 module, the TF card module and the FLASH module through wires, a power supply end of the main controller is connected with the power supply module through a wire, the main controller is communicated with an upper computer through the Ethernet module, receives data of the upper computer, and distributes and drives the wireless sending module through the data to distribute the data to the slave computers;

the data of the upper computer received by the Ethernet module can be prestored in the TF card module or the FLASH module, and the RS485 module receives a control instruction of the main controller and calls the prestored data stored in the TF card module or the FLASH module;

the slave controller receives a control command sent by the master controller through the wireless receiving module and drives the display module to display data.

2. The wireless communication-based display screen module communication system according to claim 1, wherein: the wireless transmitting module and the wireless receiving module specifically adopt a 2.4GHz wireless communication module.

3. The wireless communication-based display screen module communication system according to claim 1, wherein: the communication mode between the host and the slave is set to be a master-to-slave communication mode or a multi-master-to-slave communication mode.

4. The wireless communication-based display screen module communication system according to claim 2, wherein: the model of a control chip adopted by the master controller and the slave controller is AT32F407VCT 7;

the type of a control chip adopted by the Ethernet module is W5500;

the model of a memory chip adopted by the FLASH module is W25Q128 JVSSITTR;

the model of a power supply chip adopted by the power supply module is AMS 1117-3.3;

the 2.4GHz wireless communication module is particularly a module with the model of SI24R 1;

the model of the control chip adopted by the RS485 module is BL 3085N.

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