CN213277405U

CN213277405U - LED strip screen control card based on STM32 chip

Info

Publication number: CN213277405U
Application number: CN202022407030.8U
Authority: CN
Inventors: 谢含洁; 周薇; 李康
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-05-25
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to the field of electronic technology, concretely relates to LED strip screen control board based on STM32 chip, it includes mobile phone terminal, be connected with the Wifi chip on the mobile phone terminal, the Wifi chip has display screen hardware module through radio signal connection, display screen hardware module includes single chip microcomputer controller, line driver, row driver, LED dot matrix screen, line driver, row driver are connected with the LED dot matrix screen respectively, the LED dot matrix screen comprises multiunit dot matrix module jointly, be connected with the main control chip on the LED dot matrix screen, be connected with the extended function board on the main control chip, including storing chip, volume chip, LCD screen interface, power on the extended function board, it all is connected with the LED dot matrix screen to store chip, volume chip, LCD screen interface, power.

Description

LED strip screen control card based on STM32 chip

Technical Field

The utility model relates to the field of electronic technology, especially, relate to a LED strip screen control card based on STM32 chip.

Background

The LED display screen strip screen is a relatively long LED display screen, is an electronic display screen formed by small LED dot matrixes, changes screen display content forms such as characters, animations, pictures, videos and the like through red and green lamp beads which are turned on and off, timely converts information, and controls component display through a control card modular structure, but the traditional LED display screen can only singly present fixed patterns such as characters, pictures and the like, and is lack of flexibility in data display.

At present, chinese patent with publication number CN210955970U discloses a street advertisement LED display screen, and it includes base and display screen body, the upper surface left and right sides of base all fixes and is equipped with the backup pad, the display screen body is located two between the backup pad, the left and right sides of display screen body all fixes and is equipped with the pivot, the other end of pivot all through antifriction bearing with the side of backup pad is rotated and is connected, the axle wall of pivot all fixes and is equipped with the carousel, and sets up a plurality of evenly distributed's card hole on the circumference wall of carousel, the side of backup pad be equipped with be used for with the stop gear of carousel chucking, the top of display screen body is equipped with hides rain mechanism.

Although this kind of LED display screen can come from the angle by adjusting the display screen body according to the terrain height difference of setting up, has guaranteed the propaganda dynamics of advertisement, and rain-proof effect is good, nevertheless: the LED display screen is not intelligent, the content on the LED screen cannot be remotely controlled in real time through equipment, and the diversity of screen display data cannot be realized.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model aims to provide a LED strip screen control card based on STM32 chip, it has the remote control of being convenient for, the convenience obtains the advantage that promotes greatly.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a LED strip screen control card based on STM32 chip, includes the cell-phone terminal, be connected with the Wifi chip on the cell-phone terminal, the Wifi chip has display screen hardware module through radio signal connection, display screen hardware module includes single chip microcomputer controller, line driver, row driver, LED dot matrix screen, line driver, row driver are connected with the LED dot matrix screen respectively, the LED dot matrix screen comprises multiunit dot matrix module jointly, be connected with the master control chip on the LED dot matrix screen, be connected with the extended functionality board on the master control chip, including storing chip, volume chip, LCD screen interface, power on the extended functionality board, it all is connected with the LED dot matrix screen to store chip, volume chip, LCD screen interface, power.

Furthermore, a cloud connection module is arranged between the Wifi chip and the single chip microcomputer controller and comprises a cloud server and a TCP repeater, the cloud server is connected with the Wifi chip through wireless signals, the TCP repeater is connected to the cloud server, and the TCP repeater is connected with the single chip microcomputer controller.

Further, the dot matrix module is composed of light emitting diodes.

Further, the main control chip is an STC90C58AD chip.

Further, the Wifi chip is an ESP8266 chip.

Further, the single chip microcomputer controller is an STM32 chip.

To sum up, the utility model discloses following beneficial effect has:

the utility model is specially designed for the LED strip screen at the door head, has simple use, proper function and obvious price advantage, and is beneficial to reducing the cost and improving the economic benefit;

the utility model can lead the product to work and operate permanently through the energy input of the power supply, and can possibly develop more functions through the future expectation of deeper research, and can obtain larger signboard effect for the buyer after being put into practical use;

the utility model can realize the control of various display modes such as left shift, right shift, up shift, down shift and the like of the dot matrix screen by utilizing the matching of the line driver, the column driver and the LED dot matrix screen, thereby enriching the functions and improving the aesthetic property and the visual effect of the strip screen;

the utility model discloses a handheld terminal equipment can long-rangely realize separating empty control to the chip module, makes the corresponding data of LED screen real-time update, compares in traditional LED screen, can realize real-time update's effect, and the means of updating is simple, provides the convenience for the shop owner.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

fig. 1 is a connection diagram of the present invention.

In the figure, 1, a mobile phone terminal; 2. a Wifi chip; 3. a display screen hardware module; 301. a single chip controller; 302. A row driver; 303. a column driver; 304. an LED dot matrix screen; 4. a dot matrix module; 5. a light emitting diode; 6. a main control chip; 7. an extended function board; 701. storing the chip; 702. a volume chip; 703. a liquid crystal screen interface; 704. a power source; 8. a cloud connection module; 801. a cloud server; 802. a TCP forwarder.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1: the utility model provides a LED striped screen control card based on STM32 chip, as shown in FIG. 1, including cell phone terminal 1, be connected with Wifi chip 2 on the cell phone terminal 1, Wifi chip 2 is the ESP8266 chip, and Wifi chip 2 has display screen hardware module 3 through wireless signal connection, display screen hardware module 3 includes single chip microcomputer controller 301, line driver 302, row driver 303, LED dot matrix screen 304, single chip microcomputer controller 301 is the STM32 chip, and single chip microcomputer controller 301 connects in line driver 302, row driver 303, row driver 302, row driver 303 is connected with LED dot matrix screen 304 respectively.

As shown in fig. 1, the LED dot matrix screen 304 is composed of a plurality of dot matrix modules 4, each dot matrix module 4 is composed of a light emitting diode 5, a main control chip 6 is connected to the LED dot matrix screen 304, the main control chip 6 is an STC90C58AD chip, the main control chip 6 is connected to an extended function board 7, the extended function board 7 includes a storage chip 701, a volume chip 702, a liquid crystal screen interface 703 and a power supply 704, and the storage chip 701, the volume chip 702, the liquid crystal screen interface 703 and the power supply 704 are all connected to the LED dot matrix screen 304.

As shown in fig. 1, a cloud connection module 8 is arranged between the Wifi chip 2 and the mcu 301, the cloud connection module 8 includes a cloud server 801 and a TCP repeater 802, the cloud server 801 is connected to the Wifi chip 2 through a wireless signal, the TCP repeater 802 is connected to the cloud server 801, and the TCP repeater 802 is connected to the mcu 301.

The utility model discloses an among the embodiment, at first inspect power 704, whether inspection power 704 is about 5V, in order to reduce the condition that the screen generates heat to extension LED dot matrix screen 304's life, under the occasion that luminance is high, can with voltage control to between 4.5V-4.8, after confirming that voltage does not have the problem, disconnection power 704 continues to assemble other parts.

The main control chip 6 is connected and installed with the dot matrix screen through an interface carried by the main control chip 6, the power supply 704 is connected, the mobile phone terminal 1 is controlled and a data source signal is sent, information is sent to the WIFI chip through a mobile phone end control program interface, the signal is transmitted to the cloud server 801 and is forwarded to the single chip microcomputer controller 301 through the TCP repeater 802, the single chip microcomputer controller 301 can automatically analyze requests of different instructions and execute corresponding operations, the single chip microcomputer controller 301 controls the row driver 302 and the column driver 303 according to the instruction requests obtained through analysis and finally sends data to the LED dot matrix screen 304, the light emitting diode 5 in the LED dot matrix screen 304 receives the instructions to emit light, and data display is completed.

The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.

Claims

1. The utility model provides a LED strip screen control card based on STM32 chip, includes cell-phone terminal (1), its characterized in that: be connected with Wifi chip (2) on cell phone terminal (1), Wifi chip (2) have display screen hardware module (3) through wireless signal connection, display screen hardware module (3) include single chip microcomputer controller (301), line driver (302), row driver (303), LED dot matrix screen (304), line driver (302), row driver (303) are connected with LED dot matrix screen (304) respectively, LED dot matrix screen (304) comprise multiunit dot matrix module (4) jointly, be connected with main control chip (6) on LED dot matrix screen (304), be connected with expansion function board (7) on main control chip (6), including storage chip (701), volume chip (702), LCD screen interface (703), power (704) on expansion function board (7), storage chip (701), volume chip (702), LCD screen interface (703), The power supplies (704) are all connected with the LED dot matrix screen (304).

2. An LED bar screen control card based on STM32 chip according to claim 1, wherein: be equipped with high in the clouds connection module (8) between Wifi chip (2) and single chip microcomputer controller (301), high in the clouds connection module (8) are including high in the clouds server (801), TCP repeater (802), high in the clouds server (801) passes through wireless signal with Wifi chip (2) and is connected, TCP repeater (802) are connected in high in the clouds server (801), just TCP repeater (802) are connected with single chip microcomputer controller (301).

3. An LED bar screen control card based on STM32 chip according to claim 2, wherein: the dot matrix module (4) is composed of light emitting diodes (5).

4. An LED bar screen control card based on STM32 chip according to claim 3, wherein: the main control chip (6) is an STC90C58AD chip.

5. An LED strip screen control card based on STM32 chip according to claim 4, wherein: the Wifi chip (2) is an ESP8266 chip.

6. An LED strip screen control card based on STM32 chip according to claim 5, wherein: the single chip microcomputer controller (301) is an STM32 chip.