CN209880047U

CN209880047U - Dynamic full-color advertising screen intelligent control circuit based on GPRS and advertising screen

Info

Publication number: CN209880047U
Application number: CN201920852677.6U
Authority: CN
Inventors: 柯钦怀; 刘灵斌
Original assignee: FUJIAN JOY SOLAR TECHNOLOGY Corp
Current assignee: FUJIAN JOY SOLAR TECHNOLOGY Corp
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2019-12-31
Anticipated expiration: 2029-06-06

Abstract

The utility model provides a full-color advertisement screen intelligent control circuit of sensation based on GPRS and advertisement screen, wherein, full-color advertisement screen intelligent control circuit of sensation based on GPRS, including micro-control module, GPRS module, LED dot matrix screen, RGB scanning module, DC-DC voltage stabilizing module. The utility model provides a full-color advertisement screen intelligence control circuit of sensation of movement based on GPRS has realized the connection of intelligence thing networking, and the user can realize the machine through the cell-phone and carry out long-range setting, has greatly increased customer's maneuverability; in addition, after the RGB three primary colors of the LED dot matrix screen are matched, the color reduction degree is high and smooth, and the LED dot matrix screen is suitable for large-capacity GIF dynamic picture display. The utility model provides an advertisement screen adopts as above dynamic full-color advertisement screen intelligent control circuit based on GPRS to more novel advertisement putting mode carries out the change in the vision to current advertisement form, has improved the advertising benefit, has wide market prospect.

Description

Dynamic full-color advertising screen intelligent control circuit based on GPRS and advertising screen

Technical Field

The utility model relates to an advertising screen circuit control field, in particular to dynamic full-color advertising screen intelligent control circuit and advertising screen based on GPRS.

Background

Advertisement, as the name implies, is an advertisement that informs the general public of the society of something. Generally, advertisement refers to the way that commercial enterprises distribute goods or services to consumers or users through advertisement media in a pay mode, and the advertisement is delivered through advertisement screens or other printing modes in the places of the commercial businesses, on bus stations.

With the development of display technology, the current increasingly trending advertisement delivery mode is the mode of adopting an electronic advertisement screen. However, in the existing advertisement screen, the advertisement putting form is more rigid, the form is single, and the advertisement screen is difficult to attract customers. And the advertisement content can not be set or edited at will at any time and any place, the advertisement putting cost is higher, and the benefit is poorer.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems mentioned in the background art, the utility model provides a dynamic full-color advertisement screen intelligent control circuit based on GPRS and an advertisement screen, wherein, the dynamic full-color advertisement screen intelligent control circuit based on GPRS comprises a micro-control module, a GPRS module, an LED dot matrix screen, an RGB scanning module and a DC-DC voltage stabilizing module; wherein:

the input end of the DC-DC voltage stabilizing module is connected with a mobile power supply; the output end of the DC-DC voltage stabilizing module is respectively connected with the micro-control module and the GPRS module;

the micro-control module is connected with a GPRS module boot port sequentially through a resistor R30 and a triode Q2; the connection node of the resistor R30 and the triode Q2 is grounded through a resistor R31; the micro-control module is connected with a reset port of the GPRS module sequentially through a resistor R32 and a triode Q1; the connection node of the resistor R32 and the triode Q1 is grounded through a resistor R33; the micro-control module is connected with the LED dot matrix screen through the RGB scanning module;

and the GPRS module is provided with an SIM port.

Further, the DC-DC voltage stabilization module includes a first voltage stabilization module and a second voltage stabilization module, wherein: the first voltage stabilizing module and the second voltage stabilizing module are both connected with the mobile power supply; the first voltage stabilizing module outputs a 3.3V power supply to the micro-control module; and the second voltage stabilizing module outputs a 3.8V power supply to the GPRS module.

Further, the first DC-DC voltage stabilizing module includes a capacitor C71, a capacitor C72, a first voltage stabilizing chip U1, a capacitor C73, a capacitor C74, and a capacitor C75; the capacitor C71 is an anode, one end of the capacitor C72, and the 1 st pin and the second pin of the first voltage stabilizing chip U1 are connected with the mobile power supply; the 4 th pin of the first voltage stabilizing chip U1 is grounded through a capacitor C73; the 5 th pin of the first voltage stabilization chip U1, the anode of the capacitor C74 and the connection node of one end of the capacitor C75 are MCU power output ends; the cathode of the capacitor C71, the other end of the capacitor C7, the other end of the capacitor C73, the cathode of the capacitor C74, the other end of the capacitor C75 and the 2 nd pin of the first voltage stabilizing chip U1 are all connected to ground.

Further, the second DC-DC voltage stabilizing module includes a capacitor C76, a capacitor C77, a capacitor C78, a capacitor C79, a resistor R25, a resistor R26, a resistor R27, an inductor L1, and a second voltage stabilizing chip U2; the anode of the capacitor C76, one end of the capacitor C77, one end of the resistor R25 and the 3 rd pin of the second voltage stabilizing chip U2 are connected with the mobile power supply; the other end of the resistor R25 is connected with a 5 th pin of a second voltage stabilizing chip U2; the 6 th pin of the second voltage stabilizing chip U2 is connected with one end of an inductor L1 and the 2 nd pin of the second voltage stabilizing chip U2 through a capacitor C78; the 4 th pin of the second voltage stabilizing chip U2 is connected with one end of a resistor R27 and one end of a resistor R26; the connecting node of the other end of the resistor R27, the other end of the inductor L1 and the anode of the capacitor C79 is a GPRS power supply output end; the cathode of the capacitor C76, the other end of the capacitor C77, the 1 st pin of the second voltage stabilizing chip U2, the other end of the resistor R26 and the cathode of the capacitor C79 are all connected with the ground.

Further, the LED dot matrix screen is an LED dot matrix light source array consisting of 64 × 64 full-color RGB lamp beads 2020.

Further, the RGB scanning module comprises a line scanning module and a column scanning module; wherein:

the line scanning module comprises a first display driving chip U6, a first high-speed common mode device U7 and a plurality of second display driving chips; the first display driving chip U6 is connected with the micro control module through a first high-speed common mode device U7; the first display driving chip U6 is respectively connected with the LED dot matrix screen through a plurality of second display driving chips;

the column scanning module comprises a second high-speed common mode device U8 and a plurality of third display driving chips; the micro control module is respectively connected with a plurality of third display driving chips through the second high-speed common mode device U8.

Furthermore, the micro control module and the GPRS module are respectively provided with a charging work and network connection state indicating lamp.

Further, the model of the micro control module is STM32F103C8T6 TR.

Further, the GPRS module is of the type AIR 202.

The utility model provides a full-color advertisement screen intelligence control circuit of sensation based on GPRS, the circuit structure of micro-control module, GPRS module, LED dot matrix screen, RGB scanning module, DC-DC voltage stabilizing module and portable power source combines together through the GPRS module with the full-color dot matrix screen of LED, and the user carries out long-range setting through the demonstration in the cell-phone applet and control mode, realizes just enough not going out to home and puts in the advertisement. The utility model provides a full-color advertisement screen intelligence control circuit of sensation of movement based on GPRS carries out no communication through the GPRS module, has realized the connection of intelligence thing networking, controls, adjusts at the cell-phone end, greatly increased customer's maneuverability, performance aspect; in addition, after the RGB three primary colors of the LED dot matrix screen are matched, the color reduction degree is high, the distortion degree is low compared with the pictures uploaded by customers, the dynamic display effect is smooth and free of blockage, and the method is suitable for large-capacity GIF dynamic picture display.

The utility model discloses provide the advertising screen in addition, adopt as above arbitrary dynamic full-color advertising screen intelligent control circuit.

The utility model provides an advertisement screen carries out the change in the vision with more novel advertisement putting mode to current advertisement form, has reduced the input cost of advertisement, has improved the advertisement benefit, has wide market prospect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a block diagram of an intelligent control circuit of a dynamic full-color advertisement screen based on GPRS;

FIG. 2 is a circuit diagram of a DC-DC voltage regulator module;

FIG. 3 is a circuit diagram of a micro control module;

FIG. 4 is a GPRS module circuit diagram;

FIG. 5 is a circuit diagram of a row scan module;

FIG. 6 is a circuit diagram of a row scan module;

FIG. 7 is a circuit diagram of a column scan module;

fig. 8 is a circuit diagram of a column scan module.

Reference numerals:

10 micro control module 20 GPRS module 40 RGB scanning module

50 DC-DC voltage stabilizing module

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "connected" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, optical connections and the like, whether direct or indirect.

The utility model provides a dynamic full-color advertisement screen intelligent control circuit and an advertisement screen based on GPRS, wherein, the dynamic full-color advertisement screen intelligent control circuit based on GPRS comprises a control module 10, a GPRS module 20, an LED dot matrix screen, an RGB scanning module 40 and a DC-DC voltage stabilizing module 50; wherein:

the input end of the DC-DC voltage stabilizing module 50 is connected with a mobile power supply; the output end of the DC-DC voltage stabilizing module 50 is respectively connected with the micro-control module 10 and the GPRS module 20;

the micro-control module 10 is connected with the boot port of the GPRS module 20 through a resistor R30 and a triode Q2 in sequence; the connection node of the resistor R30 and the triode Q2 is grounded through a resistor R31; the micro-control module 10 is connected with a reset port of the GPRS module 20 sequentially through a resistor R32 and a triode Q1; the connection node of the resistor R32 and the triode Q1 is grounded through a resistor R33; the micro-control module 10 is connected with the LED dot matrix screen through the RGB scanning module 40;

the GPRS module 20 is provided with a SIM port.

In specific implementation, as shown in fig. 1 to 8, the GPRS-based intelligent control circuit for a dynamic full-color advertisement screen includes a micro-control module 10, a GPRS module 20, an LED dot matrix screen, an RGB scanning module 40, and a DC-DC voltage stabilizing module 50; wherein: the model of the micro-control module 10 is STM32F103C8T6 TR; GPRS module 20 is model number AIR 202;

the input end of the DC-DC voltage stabilizing module 50 is connected with the mobile power supply; the MCU power output end of the DC-DC voltage stabilizing module 50 is connected with the micro control module 10;

the Turn on pulls end of the micro-control module 10 is connected with one end of a resistor R30, and the other end of a resistor R30 is connected with the base electrode of an NPN type triode Q2 and one end of a resistor R31; the collector of the triode Q2 is connected with the start-up port of the GPRS module 20; the emitting electrode of the triode Q2 is grounded with the other end of the resistor R31;

the RESET end of the micro-control module 10 is connected with one end of a resistor R32; the other end of the resistor R32 is connected with one end of a resistor R33 and the base electrode of an NPN type triode Q1; the collector of the triode Q1 is connected with the reset port of the GPRS module 20; the emitting electrode of the triode Q1 is grounded with the other end of the resistor R33; the micro-control module 10 is connected with the LED dot matrix screen through the RGB scanning module 40; the GPRS module 20 is provided with a SIM port for installing a SIM card, and data communication is realized by the SIM card inserted through the SIM port.

Because the operating voltage of the micro-control module 10 is different from that of the GPRS module, the pin can not be directly used for driving, the utility model discloses through the structural design of triode Q2, the base of triode Q2 is controlled by the micro-control module 10, the 2-second pull-down of POWER KYE is realized, and the starting function is realized;

in addition, because the two chips in the triode Q2 controlled by the micro control module 10 have different working voltages and cannot be directly driven through pins, the utility model also realizes the reset function of the GPRS module 20 through the triode Q1 by pulling down the potential of the triode Q1, thereby realizing the system reset;

after the display screen is started, the DC-DC voltage stabilizing module 50 filters and stabilizes the voltage and then respectively provides 3.3V and 4V working voltage for the micro-control module 10 and the GPRS module 20 to supply power to the GPRS module 20, and the GPRS module 20 is connected with the SIM card through the SIM port to finish user information identification, data connection and information exchange; the GPRS module 20 processes user data (storing the user data in a Flash memory) through the connection with the micro-control module 10; the GPRS module 20 completes system reset through a reset circuit formed by a triode Q1, a resistor R32 and a resistor R33; the GPRS module 20 completes system startup through a startup circuit composed of a triode Q2, a resistor R30 and a resistor R31, after startup, pushes a state instruction (including an online instruction and a setting during the last shutdown, and sends a communication request, and keeps connecting after normal connection until communication is interrupted), a client (such as a mobile phone APP) server pushes the theme to a user end according to a subscription theme, the user end performs data interaction after subscribing the theme, the user end sets related advertisement content in a mobile phone applet, pushes data to the client server through an http transmission protocol, the client server subscribes the theme and pushes the theme to an equipment end, after the equipment end subscribes the theme, the information is analyzed through the micro control module 10, and a 5-bit binary signal is sent through 39pin-43pin (a-E) of the micro control module 10, and performing line scanning control on the LED advertising screen, sending a 6-bit binary signal through 29 pins-31 pins, 32 pins, 33 pins and 38 pins of the MCU, performing column scanning control on the LED advertising screen, and finally completing user advertising information delivery.

The utility model provides a full-color advertisement screen intelligence control circuit of sensation based on GPRS, the circuit structure of micro-control module, GPRS module, LED dot matrix screen, RGB scanning module, DC-DC voltage stabilizing module and portable power source combines together through the GPRS module with the full-color dot matrix screen of LED, and the user carries out long-range setting through the demonstration in the cell-phone applet and control mode, realizes just enough not going out to home and puts in the advertisement. The utility model provides a full-color advertisement screen intelligence control circuit of sensation of movement based on GPRS carries out no communication through the GPRS module, has realized the connection of intelligence thing networking, controls, adjusts at the cell-phone end, greatly increased customer's maneuverability, performance aspect; in addition, after the RGB three primary colors of the LED dot matrix screen are matched, the color reduction degree is high, the distortion degree is low compared with the pictures uploaded by customers, the dynamic display effect is smooth and free of blockage, and the method is suitable for large-capacity GIF dynamic picture display. The utility model provides a full-color advertisement screen intelligent control circuit of sensation based on GPRS has reduced the input cost of advertisement, has improved the advertising benefit, has wide market prospect.

Preferably, the 7 th pin of the GPRS module 20 is connected to one end of a capacitor C92, one end of a resistor R29 and one end of a key SW1, the 9 th pin of the GPRS module 20 is electrically connected to the other end of the resistor R29, one end of a capacitor C91, one end of a capacitor C90 and 3.3V, and the other end of a capacitor C92, the other end of the key SW1, the other end of the capacitor C91 and the other end of the capacitor C90 are all grounded.

In this embodiment, the button SW1 is a reset port, and is used when the system is halted, and the system starts to operate after the system is powered on by default (i.e., the P1 port is connected to the 5V voltage of the charger).

Preferably, the SIM card is a patch type industrial grade MS1 card, which has a longer life and stability than a conventional plug-in SIM card.

Preferably, the DC-DC voltage stabilizing module 50 includes a first DC-DC voltage stabilizing module and a second DC-DC voltage stabilizing module, wherein: the first DC-DC voltage stabilizing module and the second DC-DC voltage stabilizing module are both connected with the mobile power supply; the first DC-DC voltage stabilizing module outputs a 3.3V power supply to the micro-control module 10; the second DC-DC voltage regulator module outputs a 3.8V power to the GPRS module 20.

Preferably, the first DC-DC voltage stabilizing module includes a capacitor C71, a capacitor C72, a first voltage stabilizing chip U1, a capacitor C73, a capacitor C74, and a capacitor C75; the capacitor C71 is an anode, one end of the capacitor C72, and the 1 st pin and the second pin of the first voltage stabilizing chip U1 are connected with the mobile power supply; the 4 th pin of the first voltage stabilizing chip U1 is grounded through a capacitor C73; the 5 th pin of the first voltage stabilization chip U1, the anode of the capacitor C74 and the connection node of one end of the capacitor C75 are MCU power output ends; the cathode of the capacitor C71, the other end of the capacitor C7, the other end of the capacitor C73, the cathode of the capacitor C74, the other end of the capacitor C75 and the 2 nd pin of the first voltage stabilizing chip U1 are all connected to ground.

Preferably, the second DC-DC voltage stabilizing module includes a capacitor C76, a capacitor C77, a capacitor C78, a capacitor C79, a resistor R25, a resistor R26, a resistor R27, an inductor L1, and a second voltage stabilizing chip U2; the anode of the capacitor C76, one end of the capacitor C77, one end of the resistor R25 and the 3 rd pin of the second voltage stabilizing chip U2 are connected with the mobile power supply; the other end of the resistor R25 is connected with a 5 th pin of a second voltage stabilizing chip U2; the 6 th pin of the second voltage stabilizing chip U2 is connected with one end of an inductor L1 and the 2 nd pin of the second voltage stabilizing chip U2 through a capacitor C78; the 4 th pin of the second voltage stabilizing chip U2 is connected with one end of a resistor R27 and one end of a resistor R26; the connecting node of the other end of the resistor R27, the other end of the inductor L1 and the anode of the capacitor C79 is a GPRS power supply output end; the cathode of the capacitor C76, the other end of the capacitor C77, the 1 st pin of the second voltage stabilizing chip U2, the other end of the resistor R26 and the cathode of the capacitor C79 are all connected with the ground.

Preferably, the model of the LED dot matrix screen is an LED dot matrix light source array consisting of 64 × 64 2020 full-color RGB lamp beads.

Preferably, the RGB scanning module 40 includes a line scanning module and a column scanning module; wherein:

the line scanning module comprises a first display driving chip U6, a first high-speed common mode device U7 and a plurality of second display driving chips; the first display driving chip U6 is connected with the micro control module 10 through a first high-speed common mode device U7; the first display driving chip U6 is respectively connected with the LED dot matrix screen through a plurality of second display driving chips;

the column scanning module comprises a second high-speed common mode device U8 and a plurality of third display driving chips; the micro control module 10 is connected to a plurality of third display driving chips through the second high-speed common mode device U8.

In specific implementation, as shown in fig. 5, 6, 7 and 8, the LED dot matrix screen is an LED dot matrix light source array composed of 64 × 64 full-color RGB beads 2020.

the line scanning module comprises a first display driving chip U6, a first high-speed common mode device U7 and a plurality of second display driving chips; the first display driving chip U6 is connected to the micro control module 10 through the first high-speed common mode device U7; the first display driving chip U6 is respectively connected with the LED dot matrix screen through a plurality of second display driving chips; the plurality of second display driving chips are respectively connected with the line interfaces of the LED dot matrix screen; the model of the first display driving chip U6 is SM74HC04, the model of the first high-speed common mode device U7 is SM245TS, and the model of the second display driving chip is SM 5166P;

the column scanning module comprises a second high-speed common mode device U8 and a plurality of third display driving chips; the micro-control module 10 is respectively connected with a plurality of third display driving chips through a second high-speed common mode device U8, and the third display driving chips are respectively connected with the column interfaces of the LED dot matrix screen; the model of the second high-speed common mode device U8 is SM245TS, and the model of the third display driving chip is SM 16017S.

In this embodiment, a 3-8 decoder is built in the column display control chip, and provides output current drive of 8 channels, and the maximum current of each channel can reach 3.0A. The voltage clamping circuits are arranged in the ports OUT 1-OUT 8, so that the row smear of the LED display screen can be eliminated, and the refresh rate of the display screen is improved. The built-in short circuit protection function has the characteristics of short circuit, burning prevention of lamps, burning prevention of plates and the like, and the application reliability of the whole scheme is improved.

In this embodiment, the column display control chip provides 16 current sources, and each current source can provide a constant current of 1mA to 32 mA; the current precision is less than +/-2.5%; the difference of the output current among the ICs is less than +/-3.5 percent; the channel output current does not change along with the change of the voltage of the output end; and the change of the current influenced by the voltage and the ambient temperature is less than 1 percent; the internal clock frequency is 25Mhz, and the requirement of a system for mass data transmission can be met.

Preferably, the micro control module 10 and the GPRS module 20 are respectively provided with a charging operation and network connection status indicator lamp.

In specific implementation, as shown in fig. 3 and 4, the 3.3V power terminal output by the DC-DC voltage regulation module 50 is connected to the anode of the charging indicator light LED-R, and the cathode of the charging indicator light LED-R is connected to the micro-control module 10 through the resistor R28; the charging state indication is realized through a charging indicator light LED-R;

the GPRS output end of the DC-DC voltage stabilizing module 50 is connected with the collector of an NPN type triode Q3 through an LED-Y and a resistor R35 in sequence, and the base of the triode Q3 is connected with the GPRS module 20 through a resistor R36; the connection point of the base of the transistor Q3 and the resistor R36 is grounded through the resistor R37, and the emitter of the transistor Q3 is grounded

The 3.8V power end output by the DC-DC voltage stabilizing module 50 is connected with the anode of a charging indicator light LED-Y, and the cathode of the charging indicator light LED-Y is connected with the GPRS module 20 through a resistor R35 and a triode Q3; the charging state display is realized through the charging indicator light LED-R and the charging indicator light LED-Y to prompt the charging state of the mobile power supply for maintenance personnel, and the problem that the advertising screen cannot work normally due to circuit faults or the fact that the mobile power supply is out of power is avoided.

The circuit design of the triode Q3 and the LED-Y realizes network communication indication: the embodiment of the present invention provides a current ratio of the 13 th pin of the GPRS module 20 is smaller, and the LED-Y cannot be directly driven. The utility model discloses the LED-Y light source of collecting electrode is controlled through triode Q3's base better to realize the demonstration of the various operating condition of GPRS module 20, each state information is as follows:

the shutdown module is not running;

LED-Y is on for 0.3 second and off for 5.7 seconds, and the SIM card is not detected;

LED-Y is on for 0.3 second and off for 3.7 seconds, and the SIM card is detected and is not registered in the GSM network;

LED-Y is on for 0.3 second and off for 0.7 second, and is registered in a GSM network and not attached to a GPRS network;

LED-Y is on for 0.3 second and off for 1.7 seconds, and is attached to a GPRS network and not connected with a server;

LED-Y is on for 0.1 second and off for 0.1 second, and is connected to the server.

The utility model provides an advertisement screen carries out the change in the vision with more novel advertisement putting mode to current advertisement form, has wide market prospect.

Although terms such as micro-control module, GPRS module, LED dot matrix screen, RGB scanning module, DC-DC voltage regulation module, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

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

1. The GPRS-based dynamic full-color advertising screen intelligent control circuit is characterized by comprising a micro-control module (10), a GPRS module (20), an LED dot matrix screen, an RGB scanning module (40) and a DC-DC voltage stabilizing module (50); wherein:

the input end of the DC-DC voltage stabilizing module (50) is connected with a mobile power supply; the output end of the DC-DC voltage stabilizing module (50) is respectively connected with the micro-control module (10) and the GPRS module (20);

the micro-control module (10) is connected with a boot port of the GPRS module (20) sequentially through a resistor R30 and a triode Q2; the connection node of the resistor R30 and the triode Q2 is grounded through a resistor R31; the micro-control module (10) is connected with a reset port of the GPRS module (20) sequentially through a resistor R32 and a triode Q1; the connection node of the resistor R32 and the triode Q1 is grounded through a resistor R33; the micro-control module (10) is connected with the LED dot matrix screen through the RGB scanning module (40);

and the GPRS module (20) is provided with a SIM port.

2. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 1, characterized in that: the DC-DC regulator module (50) comprises a first regulator module and a second regulator module, wherein: the first voltage stabilizing module and the second voltage stabilizing module are both connected with the mobile power supply; the first voltage stabilizing module outputs a 3.3V power supply to the micro-control module (10); the second voltage stabilizing module outputs a 3.8V power supply to the GPRS module (20).

3. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 2, characterized in that: the first voltage stabilizing module comprises a capacitor C71, a capacitor C72, a first voltage stabilizing chip U1, a capacitor C73, a capacitor C74 and a capacitor C75; the capacitor C71 is an anode, one end of the capacitor C72, and the 1 st pin and the second pin of the first voltage stabilizing chip U1 are connected with the mobile power supply; the 4 th pin of the first voltage stabilizing chip U1 is grounded through a capacitor C73; the 5 th pin of the first voltage stabilization chip U1, the anode of the capacitor C74 and the connection node of one end of the capacitor C75 are MCU power output ends; the cathode of the capacitor C71, the other end of the capacitor C7, the other end of the capacitor C73, the cathode of the capacitor C74, the other end of the capacitor C75 and the 2 nd pin of the first voltage stabilizing chip U1 are all connected to ground.

4. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 2, characterized in that: the second voltage stabilizing module comprises a capacitor C76, a capacitor C77, a capacitor C78, a capacitor C79, a resistor R25, a resistor R26, a resistor R27, an inductor L1 and a second voltage stabilizing chip U2; the anode of the capacitor C76, one end of the capacitor C77, one end of the resistor R25 and the 3 rd pin of the second voltage stabilizing chip U2 are connected with the mobile power supply; the other end of the resistor R25 is connected with a 5 th pin of a second voltage stabilizing chip U2; the 6 th pin of the second voltage stabilizing chip U2 is connected with one end of an inductor L1 and the 2 nd pin of the second voltage stabilizing chip U2 through a capacitor C78; the 4 th pin of the second voltage stabilizing chip U2 is connected with one end of a resistor R27 and one end of a resistor R26; the connecting node of the other end of the resistor R27, the other end of the inductor L1 and the anode of the capacitor C79 is a GPRS power supply output end; the cathode of the capacitor C76, the other end of the capacitor C77, the 1 st pin of the second voltage stabilizing chip U2, the other end of the resistor R26 and the cathode of the capacitor C79 are all connected with the ground.

5. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 1, characterized in that: the LED dot matrix screen is an LED dot matrix light source array consisting of 64 all 2020 full-color RGB lamp beads.

6. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 1, characterized in that: the RGB scanning module (40) comprises a line scanning module and a column scanning module; wherein:

the line scanning module comprises a first display driving chip U6, a first high-speed common mode device U7 and a plurality of second display driving chips; the first display driving chip U6 is connected with the micro control module (10) through a first high-speed common mode device U7; the first display driving chip U6 is respectively connected with the LED dot matrix screen through a plurality of second display driving chips;

the column scanning module comprises a second high-speed common mode device U8 and a plurality of third display driving chips; the micro-control module (10) is respectively connected with a plurality of third display driving chips through the second high-speed common mode device U8.

7. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 1, characterized in that: and the micro-control module (10) and the GPRS module (20) are respectively provided with a charging work and network connection state indicator lamp.

8. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 1, characterized in that: the type of the micro-control module (10) is STM32F103C8T6 TR.

9. The intelligent control circuit of the dynamic full-color advertising screen based on the GPRS according to claim 1, characterized in that: the GPRS module (20) is of the type AIR 202.

10. Advertisement screen, its characterized in that: the intelligent control circuit of the dynamic full-color advertising screen according to any one of claims 1 to 9 is adopted.