CN208422357U - A kind of LED display wireless control system - Google Patents
A kind of LED display wireless control system Download PDFInfo
- Publication number
- CN208422357U CN208422357U CN201820611298.3U CN201820611298U CN208422357U CN 208422357 U CN208422357 U CN 208422357U CN 201820611298 U CN201820611298 U CN 201820611298U CN 208422357 U CN208422357 U CN 208422357U
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- Prior art keywords
- led display
- control
- mcu
- module
- control system
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Abstract
The utility model discloses a kind of LED display wireless control systems, including host computer, the control section MCU and LED display portion；The host computer is as information input terminal, for being responsible for editor, transmission and the control of information；The control section MCU is the core of whole system, for data transmission and data processing；The LED display portion is the exposition of whole system, and the language for the data conversion received can be identified at display screen is simultaneously shown.The system carries out wireless control to LED display using WiFi technology, the wireless transmission and control of LED display are realized by Embedded technology, it eliminates tradition and passes through the worry of USB pluggable mode change display content, especially rainy day need to can only complete the operation of outdoor LED display screen in office by mouse-keyboard, and do not need in front of display screen, not only facilitate but also safe.
Description
Technical field
The utility model belongs to automatic control technology field, is related to control system, and in particular to a kind of LED display without
Line control system.
Background technique
There are many kinds of the control modes of traditional LED display: one is off-line mode (such as USB flash disk formula control cards), if
It needs to update display content, requires manual replacement USB flash disk or information memory card in control card；It is a kind of by PC machine control
LED display can easily change display content, and this mode generally passes through Serial Port Line and connects with controlling terminal, be mounted on PC
Software on machine realizes control and content update to LED screen by serial ports, but this wired wire laying mode is complicated, safeguards pole
For inconvenience；One is the display modes of single-chip microcontroller control LED screen, interior accordingly by the program display being solidificated in single-chip microcontroller
To hold, the display mode of this control LED screen is the simplest and cost is relatively low, but due to when changing LED screen and showing content,
Need to take out single-chip microcontroller and again burned new procedures；Another kind is the control system based on GPRS wireless communication, although well
It solves the technical problems such as remote information publication and large-scale network-estabilishing, is easy extension, but its higher cost, and stability is poor.
Utility model content
For the above-mentioned problems in the prior art, the utility model provides a kind of LED display wireless control system
System, the system carry out wireless control to LED display using WiFi technology, realize LED by Embedded technology and show
The wireless transmission and control of screen eliminate tradition and pass through the worry of USB pluggable mode change display content, especially rainy day
The operation of outdoor LED display screen need to can be completed by mouse-keyboard in office, and do not needed in front of display screen, both
Convenient and safety.
For this purpose, the utility model uses following technical scheme:
A kind of LED display wireless control system, including host computer, the control section MCU and LED display portion；On described
Position machine is as information input terminal, for being responsible for editor, transmission and the control of information；The control section MCU is whole system
Core, for data transmission and data processing；The LED display portion is the exposition of whole system, for reception
To the language that can be identified at display screen of data conversion and show.
It preferably, further include power supply module, the power supply module is using 5V pressure stabilizing as power input；It is described
5V pressure stabilizing is directly the power supply of LED display portion, and the 5V pressure stabilizing is converted into powering after 3.3V for the control section MCU.
Preferably, the control section MCU includes WiFi module, MCU control and processing module, serial communication modular；Institute
WiFi module is stated for receiving the data information from host computer and being transferred to MCU control and processing module；MCU control with
Processing module is for handling the information received from WiFi module and being sent to LED display portion；The serial communication
Module is used for the transmission of data.
Preferably, the WiFi module uses ESP8266.
Preferably, the MCU control uses STM32F103VCT6 with processing module.
Preferably, the STM32F103VCT6 passes downwardly through RS232 connection upwardly through USART connection WiFi module
LED display portion.
Preferably, the LED display portion includes LED display card and LED display, and the LED display is using serial
Control driving method.
Compared with prior art, the utility model has the beneficial effects that
(1) LED display wireless control is realized, the worry manually plugged is eliminated, is used under adverse weather condition
It is more convenient and safe.
(2) it has wide range of applications, scalability is strong, easy to maintain.
(3) without complicated wiring, stability is high, and intelligence degree is high.
Detailed description of the invention
Fig. 1 is a kind of composed structure block diagram of LED display wireless control system provided by the utility model.
Fig. 2 is power module schematic diagram.
Fig. 3 is ESP8266 connection type figure.
Fig. 4 is STM32F103VCT6 main control chip schematic diagram.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in detail the utility model, specific embodiment therein and says
It is bright to be only used to explain the utility model, but be not intended to limit the scope of the present invention.
As shown in Figure 1, the utility model discloses a kind of LED display wireless control system, including host computer, MCU control
System part and LED display portion；Host computer is mainly responsible for editor, transmission and the control of information as information input terminal；MCU
Control section is data transmission and the bound fraction of data processing and the core of whole system, including ESP8266WiFi is received
Module, STM32F103VCT6 control and processing module, serial communication modular, each module have oneself the independent division of labor, and
It complements each other, power module provides electric power, STM32F103VCT6 control and processing module handle for each submodule
The information that ESP8266WiFi module receives is handled, and is then sent to LED display control card by RS232 interface.?
In LED display portion, LED display card be converted into the language that display screen can identify from the received data of RS232 interface,
And it shows.
A electric power source pair of module system that can satisfy requirement is selected to play an important role, the utility model uses 5V
Pressure stabilizing is power input, and since the operating voltage that modules need in system is all different, 5V is mainly LED display power supply,
It powers after also needing to convert 5V 3.3V into the control section MCU, in order to realize the conversion of power module voltage and simplify circuit, circuit
Schematic diagram is as shown in Figure 2.
For WiFi module as the receiving module in LED wireless communication system, it receives data information and biography from routing
It is defeated to arrive MCU control and processing module.The utility model uses current popular WiFi communication module ESP8266, due to
It itself is exactly the ARM of a Cortex, so function is very powerful.ESP8266 possesses strong chip processing and storage capacity, interior
Set low 32 bit CPU of power consumption, built-in ICP/IP protocol stack, for drawing 6 pins, ESP8266 can be configured to station, AP,
Station+AP Three models, the utility model select station and ap mode, fixed wave by configuring AT+CWMODE=3
Special rate is 115200, TX connection RX, VCC connection 3.3V, GND connection GND, CH_PD connection 3.3V, specific connection type such as Fig. 3
It is shown.
MCU control and processing module are the cores of whole system, after WiFi module receives data information, meeting
The part MCU is transmitted data at the first time to be handled.The STM32F103VCT6 chip of the utility model selection meets well
This requirement.STM32F103VCT6 is the ARM microcontroller for a 32 100 interfaces that ST Microelectronics produces, and is made
For a high performance chips, secondary chip possesses the risc kernel of the Cortex-m3 of integrated high-performance 32-bit, and working frequency is up to
72MHz, and internal high-speed memories (512kb Flash and 64kb SRAM) possess the static memory control of 4 piece choosings
Device.Parallel LCD interface, compatible 8080/6800 mode；Possess 3 12 analog-digital converters；With 2 Channel 12-Bit D/A converters
DMA；12 channel DMA controllers.Support a variety of peripheral hardwares: timer, ADC, DAC, SDIO, I2S, SPI, I2C and USART.Its to
Above by USART connection ESP8266 module, RS232 is connected downwards, interface circuit is as shown in Figure 4.
LED display module is controlled by USART serial communication modular with MCU to be connected with processing module, the letter of transmission
Breath is shown, is the exposition of whole system.The LED display of this system uses Serial Control driving method, will show
Data by RS232 serial mode be sent into point a driving circuit, and using 4953 and 74HC595 as driving.The drive of this scheme
Dynamic circuit design design of hardware and software is simple and low in energy consumption, driving capability is strong.
Embodiment
Carrying out some units and integration testing, it is ensured that there is no being completely after problem for modules
Unified test examination.After all module connections are completed, system power supply opens host computer procedure, inputs " confidential " two words, presses and sends
Afterwards, LED display shows " confidential " two word, and information and our information of transmission as the result is shown is the same, and is not had
Obvious delay, realizes estimated wireless LED screen display function.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement and improvement etc., should be included in this reality within the spirit and spirit of utility model
Within novel protection scope.
Claims (7)
1. a kind of LED display wireless control system, including host computer, the control section MCU and LED display portion, feature exist
In: the host computer is as information input terminal, for being responsible for editor, transmission and the control of information；The control section MCU is
The core of whole system, for data transmission and data processing；The LED display portion is the exposition of whole system, is used
In the language that the data conversion received can be identified at display screen and show.
2. a kind of LED display wireless control system according to claim 1, it is characterised in that: further include power supply power supply
Module, the power supply module is using 5V pressure stabilizing as power input；The 5V pressure stabilizing is directly the power supply of LED display portion,
The 5V pressure stabilizing is converted into powering after 3.3V for the control section MCU.
3. a kind of LED display wireless control system according to claim 1, it is characterised in that: the control section MCU
Including WiFi module, MCU control and processing module, serial communication modular；The WiFi module is for receiving from host computer
Data information is simultaneously transferred to MCU control and processing module；The MCU control is with processing module for receiving to from WiFi module
Information handled and be sent to LED display portion；The serial communication modular is used for the transmission of data.
4. a kind of LED display wireless control system according to claim 3, it is characterised in that: the WiFi module is adopted
Use ESP8266.
5. a kind of LED display wireless control system according to claim 3, it is characterised in that: the MCU control and place
It manages module and uses STM32F103VCT6.
6. a kind of LED display wireless control system according to claim 5, it is characterised in that: described
STM32F103VCT6 passes downwardly through RS232 connection LED display portion upwardly through USART connection WiFi module.
7. a kind of LED display wireless control system according to any one of claims 1 to 6, it is characterised in that: described
LED display portion includes LED display card and LED display, and the LED display uses Serial Control driving method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820611298.3U CN208422357U (en) | 2018-04-26 | 2018-04-26 | A kind of LED display wireless control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820611298.3U CN208422357U (en) | 2018-04-26 | 2018-04-26 | A kind of LED display wireless control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208422357U true CN208422357U (en) | 2019-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820611298.3U Expired - Fee Related CN208422357U (en) | 2018-04-26 | 2018-04-26 | A kind of LED display wireless control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208422357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111161642A (en) * | 2019-12-31 | 2020-05-15 | 山东中联晶智信息科技有限公司 | LED display screen with infrared ray touch function and 3D broadcast |
-
2018
- 2018-04-26 CN CN201820611298.3U patent/CN208422357U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111161642A (en) * | 2019-12-31 | 2020-05-15 | 山东中联晶智信息科技有限公司 | LED display screen with infrared ray touch function and 3D broadcast |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20190426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |