CN210349263U - Wireless control circuit of display screen and display system - Google Patents

Abstract

A wireless control circuit and a display system of a display screen, the wireless control circuit comprises: the Bluetooth module is in wireless communication with the mobile terminal and is used for receiving the communication signal output by the mobile terminal; the control module is used for generating a first control signal and a second control signal according to the communication signal; the display driving module is used for generating a driving signal by the first control signal so as to adjust the light-emitting state of the light-emitting module; the audio driving module is used for generating an audio driving signal according to the second control signal so as to enable the audio module to play the audio signal; the display driving module comprises at least one driving unit and at least one switch unit, the light-emitting module comprises at least one LED lamp, the driving units are correspondingly connected with the switch units one by one, and the switch units are correspondingly connected with the LED lamps one by one; the driving unit is used for generating a driving signal according to the first control signal; the switch unit is used for conducting or switching off according to the driving signal and regulating the current flowing through the corresponding LED lamp.

Description

Wireless control circuit of display screen and display system

Technical Field

The utility model belongs to the technical field of the electronic circuit, especially, relate to a wireless control circuit and display system of display screen.

Background

The display device becomes an indispensable electronic device in the current life of people, and when the display device is connected with electric energy, image information and sound information can be provided for people through the display device so as to meet the audiovisual requirements of people; since the display device realizes various audio and video playing functions according to the actual needs of people, the display device has been widely applied to various industrial technical fields; in the practical application process of the display device, the display device needs to change the working state of the display device in real time according to the operation needs of people, and people can acquire required information through the display device; therefore, the working state of the display device has good controllability and flexibility and stronger compatibility;

however, in the process of video control and audio control of a display device in the conventional technology, the conventional control circuit can only perform wired signal control on acousto-optic information of a display screen, and technicians must adopt a specific wired transmission medium to realize the acousto-optic control function, so that great inconvenience is brought to the operation process of people, and the process is complicated; moreover, the acousto-optic control cost of the display screen is high, the acousto-optic device of the display screen can be transmitted only after the operation signal of the user needs a long time, the accuracy and the sensitivity of the acousto-optic control are reduced, and the practical value is reduced; therefore, the control circuit of the display screen in the traditional technology reduces the operation comfort of people and reduces the acousto-optic display effect of the display screen.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a wireless control circuit and display system of display screen aims at solving the control step of display screen among the traditional technical scheme and is too loaded down with trivial details, has brought very big inconvenience for user's use to the acousto-optic control cost of display screen is higher, has reduced acousto-optic display effect, leads to the lower problem of practical value.

The utility model provides a first aspect of the embodiment provides a wireless control circuit of display screen, include:

the Bluetooth module is in wireless communication with the mobile terminal and is used for receiving the communication signal output by the mobile terminal;

the control module is connected with the Bluetooth module and used for generating a first control signal and a second control signal according to the communication signal;

the display driving module is connected with the control module and the light-emitting module and used for generating a driving signal according to the first control signal so as to adjust the light-emitting state of the light-emitting module, and the light-emitting module comprises at least one LED lamp; and

the audio driving module is connected with the control module and the audio module and used for generating an audio driving signal according to the second control signal so as to enable the audio module to play an audio signal;

wherein the display driving module comprises at least one driving unit and at least one switching unit;

the driving units are connected with the switch units in a one-to-one corresponding mode, and the switch units are connected with the LED lamps in a one-to-one corresponding mode;

the driving unit is used for generating the driving signal according to the first control signal; the switch unit is used for conducting or switching off according to the driving signal and regulating the current flowing through the corresponding LED lamp.

In one embodiment thereof, the control module comprises:

the circuit comprises a control chip, a first capacitor, a second capacitor and a first resistor;

a data receiving and transmitting pin of the control chip is connected with the Bluetooth module, a first serial communication pin of the control chip is connected with the display driving module, and a second serial communication pin of the control chip is connected with the audio driving module;

the first end of the first resistor, the first end of the first capacitor and the first end of the second capacitor are connected to the power supply pin of the control chip, the second end of the first capacitor is grounded, the second end of the second capacitor is grounded, and the second end of the first resistor is connected to the first direct-current power supply.

In one embodiment thereof, the driving unit includes:

a driving chip and a third capacitor;

a control signal input pin of the driving chip is connected with the control module, and a driving signal output pin of the driving chip is connected with the switch unit;

and the power supply pin of the driving chip and the first end of the third capacitor are connected to a second direct-current power supply in a shared mode, and the second end of the third capacitor is grounded.

In one embodiment thereof, the switching unit comprises a switching tube;

the first conduction end of the switch tube is connected with a third direct-current power supply, the second conduction end of the switch tube is connected with the LED lamp, and the control end of the switch tube is connected with the driving unit.

In one embodiment, the method further comprises:

and the amplifying module is connected between the Bluetooth module and the control module and used for amplifying the power of the communication signal.

In one embodiment thereof, the amplification module comprises:

the circuit comprises an amplification chip, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and a first inductor;

a signal output positive pin of the amplification chip, a first end of the seventh resistor and a first end of the ninth capacitor are connected to a signal output positive end of the amplification module, and a signal output negative pin of the amplification chip, a first end of the fourth capacitor and a first end of the second resistor are connected to form a signal output negative end of the amplification module;

the signal output positive end of the amplification module and the signal output negative end of the amplification module are connected with the control module;

a second end of the seventh resistor, a second end of the ninth capacitor and a first negative input pin of the amplification chip are connected to a first end of the sixth resistor in common, and the second end of the sixth resistor is a signal positive input end of the amplification module;

a first positive input pin of the amplifying chip is grounded;

two ends of the fourth capacitor, a second end of the second resistor and a second negative input pin of the amplifying chip are connected to a first end of the third resistor in common, and the second end of the third resistor is a signal negative input end of the amplifying module;

the signal positive input end of the amplification module and the signal negative input end of the amplification module are connected with the Bluetooth module;

the second positive input pin of the amplification chip, the grounding pin of the amplification chip and the first end of the sixth capacitor are connected to the ground in common;

the power supply pin of the amplifying chip is connected with the second end of the sixth capacitor;

a first end of the fifth capacitor and a first end of the eighth capacitor are connected to a power supply pin of the amplification chip in common, a second end of the fifth capacitor is grounded, and a second end of the eighth capacitor is grounded;

a first end of the fifth resistor and a first end of the fourth resistor are connected to a turn-off control pin of the amplification chip in common, a second end of the fourth resistor is grounded, and a second end of the fifth resistor is connected to a turn-off control signal;

the seventh capacitor is connected between the communication configuration positive pin of the amplification chip and the communication configuration negative pin of the amplification chip;

the first end of the tenth capacitor, the first end of the eleventh capacitor and the first end of the first inductor are connected to a power supply pin of the amplification chip in common, the second end of the tenth capacitor and the second end of the eleventh capacitor are connected to the ground in common, and the second end of the first inductor is connected to a fourth direct-current power supply.

In one embodiment, the bluetooth module comprises:

the circuit comprises a Bluetooth chip, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a twenty-second capacitor, a twenty-third capacitor, a twenty-fourth capacitor, a first crystal oscillator, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a second inductor, a third inductor, a first switch, a second switch and a first light emitting diode;

a positive signal output tube pin of the bluetooth chip is connected with a first end of the twelfth capacitor, a negative signal output tube pin of the bluetooth chip is connected with a first end of the thirteenth capacitor, a second end of the twelfth capacitor is connected with a first end of the eighth resistor, a second end of the thirteenth capacitor is connected with a first end of the ninth resistor, a second end of the eighth resistor is a positive signal output end of the bluetooth module, and a second end of the ninth resistor is a negative signal output end of the bluetooth module;

the positive signal output end of the Bluetooth module and the negative signal output end of the Bluetooth module are connected with the control module;

an internal power supply pin of the bluetooth chip is connected to a first end of the fourteenth capacitor, a common mode signal input pin of the bluetooth chip is connected to a first end of the fifteenth capacitor, a second end of the fourteenth capacitor, a second end of the fifteenth capacitor, a ground pin of the bluetooth chip and a first end of the sixteenth capacitor are connected to the ground in common, a second end of the sixteenth capacitor and a switch control pin of the bluetooth chip are connected to a first end of the tenth resistor in common, a second end of the tenth resistor, a first end of the first switch and a first end of the eleventh resistor are connected to a switch control signal in common, a second end of the eleventh resistor is connected to a first end of the second switch, and a second end of the first switch and a second end of the second switch are connected to the ground in common;

a first input/output end of the first crystal oscillator and a first end of the twenty-fourth capacitor are connected to an oscillation signal output pin of the bluetooth chip, a second input/output end of the first crystal oscillator and a first end of the twenty-third capacitor are connected to an oscillation signal input pin of the bluetooth chip, a second end of the twenty-third capacitor is grounded, and a second end of the twenty-fourth capacitor and a grounded end of the first crystal oscillator are connected to the ground;

a wireless communication pin of the bluetooth chip is connected with a first end of the second inductor, a second end of the second inductor and a first end of the third inductor are connected with a first end of the twenty-second capacitor in a shared manner, a second end of the twenty-second capacitor is in wireless communication with the mobile terminal, a second end of the third inductor and a first end of the seventeenth capacitor are connected with the ground in a shared manner, and a second end of the seventeenth capacitor is connected with a communication driving pin of the bluetooth chip;

a first end of the eighteenth capacitor, a first end of the nineteenth capacitor and a first end of the thirteenth resistor are connected to the power driving pin of the bluetooth chip in common, a second end of the eighteenth capacitor is grounded, a second end of the nineteenth capacitor is grounded, a second end of the thirteenth resistor, a first end of the twentieth capacitor and a first end of the twenty-first capacitor are connected to a fifth direct-current power supply in common, a second end of the twentieth capacitor is grounded, and a first end of the twenty-first capacitor is grounded;

and the state indicating pin of the Bluetooth chip is connected with the first end of the twelfth resistor, the second end of the twelfth resistor is connected with the anode of the first light-emitting diode, and the cathode of the first light-emitting diode is grounded.

In one embodiment, the method further comprises:

the power supply module is connected with the sixth direct-current power supply and used for generating a power supply signal according to the direct-current electric energy output by the sixth direct-current power supply; and

and the voltage stabilizing module is connected with the power supply module and the Bluetooth module and is used for performing voltage stabilizing processing on the power supply signal and outputting the power supply signal to the Bluetooth module.

In one embodiment thereof, the voltage stabilization module comprises:

the voltage stabilizing chip, the twenty-fifth capacitor, the twenty-sixth capacitor, the twenty-seventh capacitor, the twenty-eighth capacitor and the first diode;

the twenty-fifth capacitor is connected between a voltage-driven positive pin of the voltage-stabilizing chip and a voltage-driven negative pin of the voltage-stabilizing chip, a power pin of the voltage-stabilizing chip, an enabling pin of the voltage-stabilizing chip, a first end of the twenty-sixth capacitor and a first end of the twenty-seventh capacitor are connected to the power module in a common mode, a second end of the twenty-sixth capacitor is grounded, and a second end of the twenty-seventh capacitor is grounded;

the anode of the first diode and the first end of the twenty-eighth capacitor are connected to the voltage output pin of the voltage stabilizing chip in common, the second end of the twenty-eighth capacitor is grounded, and the cathode of the first diode is connected to the Bluetooth module.

A second aspect of the embodiments of the present invention provides a display system, including:

the wireless control circuit as described above;

a mobile terminal in wireless communication with the wireless control circuit;

the light-emitting module is connected with the wireless control circuit; and

the audio module is connected with the wireless control circuit;

the mobile terminal outputs a communication signal, and adjusts the light-emitting state of the light-emitting module and drives the audio module to play an audio signal through the wireless control circuit.

The wireless control circuit of the display screen is in wireless communication with the mobile terminal through the Bluetooth module, the mobile terminal can receive operation information of a user and generate corresponding communication signals, when the mobile terminal wirelessly transmits the communication signals to the Bluetooth module, the working states of the display driving module and the audio driving module are changed according to the communication signals, and then the light-emitting module and the audio module emit corresponding light signals and sound signals according to operation instructions of the user, so that the effect of sound and light control is achieved, the actual visual and auditory requirements of the user are met, and the working state of the display screen has simpler and more convenient control steps; therefore, the wireless control circuit in the embodiment has a relatively simplified circuit module structure, the wireless control circuit and the mobile terminal can realize an accurate wireless signal transmission function, a user can remotely realize an acousto-optic control effect through the mobile terminal, the operation is simple and convenient, the acousto-optic control cost and the application operation of the display screen are greatly reduced, and great convenience is brought to the operation of the user; the inside of wireless control circuit has higher signal transmission rate, is favorable to promoting the acousto-optic control precision and the control effect of display screen, and then wireless control circuit is applicable in the industrial technology field of each difference to make the display screen can realize acousto-optic display according to user's actual demand, the sensitivity and the compatibility of control are higher, have brought very big convenience for user's use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic block diagram of a wireless control circuit according to an embodiment of the present invention;

fig. 2 is a schematic block diagram of a display driving module and a light emitting module according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a control module according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a driving unit according to an embodiment of the present invention;

fig. 5 is another schematic block diagram of a wireless control circuit according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of an amplifying module according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of a bluetooth module according to an embodiment of the present invention;

fig. 8 is another schematic block diagram of a wireless control circuit according to an embodiment of the present invention;

fig. 9 is a schematic circuit diagram of a voltage stabilizing module according to an embodiment of the present invention;

fig. 10 is a schematic circuit diagram of a power module according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a display system according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The display screen has video display and audio playing functions, and comprises an audio module and a light-emitting module, and corresponding audio information can be output through the audio module so as to bring auditory experience to a user; the corresponding image information can be output through the light-emitting module so as to bring visual experience to users; therefore, the effect of sound and light control is achieved by combining the light-emitting module and the audio module, the display screen has a better image display function, and various circuit function requirements of a user can be met; the embodiment of the utility model provides an in wireless control circuit of display screen realize best control function to the acousto-optic state of display screen, improved acousto-optic control's flexibility and simplicity.

It should be noted that the display screen referred to herein is any type of display screen in the art, and is not limited thereto; for example, the display screen is a liquid crystal display screen or a plasma display screen; the wireless control circuit of the display screen in the embodiment has high compatibility.

Referring to fig. 1, according to the schematic structural diagram of the wireless control circuit 10 of the display screen provided in the embodiment of the present invention, a user can remotely and wirelessly control the acousto-optic effect of the display screen through the wireless control circuit 10, and the operation is simple; for convenience of explanation, only the parts related to the present embodiment are shown, and detailed as follows:

the wireless control circuit 10 includes: bluetooth module 101, control module 102, display driver module 103 and audio driver module 104.

The bluetooth module 101 is in wireless communication with the mobile terminal 20, and is configured to receive a communication signal output by the mobile terminal 20.

The Bluetooth module 101 and the mobile terminal 20 realize the information interaction function of remote and wireless signals, so that the mobile terminal 20 can completely acquire the communication signals output by the mobile terminal 20, and the Bluetooth module 101 has higher communication compatibility and communication stability; the mobile terminal 20 can receive an operation instruction of a user and generate a communication signal, where the communication signal includes an operation requirement of the user; when the mobile terminal 20 outputs the communication signal to the bluetooth module 101, the audio and video driving states of the wireless control circuit 10 can be controlled in real time through the communication signal; therefore, the wireless control circuit 10 in this embodiment can achieve higher signal transmission stability through the bluetooth module 101, the wireless control circuit 10 can remotely and wirelessly receive the operation information of the user, the signal transmission rate is higher, and the transmission cost is higher; compared with a wired transmission mode, the wireless transmission is light and convenient, the user can operate the display screen in a wireless control mode through the mobile terminal 20, great convenience is brought to the user, the wireless transmission function can be kept stable in each communication environment between the wireless control circuit 10 and the mobile terminal 20, and the application range is wider.

The control module 102 is connected to the bluetooth module 101, and is configured to generate a first control signal and a second control signal according to the communication signal.

The control module 102 can realize the functions of signal conversion and centralized control in the wireless control circuit 10, and when the bluetooth module 101 outputs the communication signal to the control module 102, the control module 102 can convert the communication signal into a first control signal and a second control signal, wherein the first control signal comprises a light source control signal, and the second control signal comprises audio control information; therefore, the control module 102 can compatibly identify the operation information in the communication signal, and after the communication signal is subjected to function conversion, the sound effect and the light-emitting effect of the display screen can be directly changed by combining the first control signal and the second control signal, so that the sound and light control efficiency and the sound and light control accuracy of the display screen are improved; the control module 102 in this embodiment has higher signal conversion accuracy and signal transmission rate, and the operation information of the user realizes a fast transmission function in the wireless control circuit 10, thereby reducing the transmission delay of the signal; therefore, the control module 102 converts the communication signal into different types of control signals, so that the display screen has better audio control effect and light source control effect, the wireless control circuit 10 realizes accurate control function for the acousto-optic effect of the display screen in different industrial technical fields, and the acousto-optic control response speed of the display screen is improved.

The display driving module 103 is connected to the control module 102 and the Light emitting module 30, and configured to generate a driving signal according to the first control signal to adjust a Light emitting state of the Light emitting module 30, where the Light emitting module 30 includes at least one Light Emitting Diode (LED) lamp.

The light-emitting module 30 can realize a light-emitting function, and the display driving module 103 can change the working state of the LED lamp in the light-emitting module 30; when the control module 102 outputs the first control signal to the display driving module 103, the display driving module 103 may identify control information in the first control signal and convert the first control signal into a driving signal, and the display driving module 103 may implement conversion of a signal form, where the driving signal includes light source driving information; the display driving module 103 outputs a driving signal to the light emitting module 30, and the light emitting state of the light emitting module 30 can be directly adjusted through the driving signal, so that the working state of the light emitting module 30 has higher control precision and control efficiency; specifically, the light-emitting module 30 can be turned on or off by the driving signal, and when the light-emitting module 30 is in a bright state, the light-emitting brightness of the light-emitting module 30 can be directly adjusted by the driving signal, so as to bring different visual experiences to a user; therefore, the light emitting effect of the light emitting module 30 can be conveniently adjusted through the driving signal in the embodiment, the control precision is high, the light emitting module 30 can change the light emitting state of the light emitting module according to the operation information of the user, the image display state of the display screen has flexible, simple and convenient controllability, and the working state control step of the light emitting module 30 is further simplified; the light emitting state of the light emitting module 30 has higher adjustability, and the display driving module 103 can directly control the multifunctional light emitting state of the light emitting module 30, so that the control response speed is higher.

The audio driving module 104 is connected to the control module 102 and the audio module 40, and configured to generate an audio driving signal according to the second control signal, so that the audio module 40 plays the audio signal.

Wherein the audio module 40 realizes the effect of audio playing; when the control module 102 outputs the second control signal to the audio driving module 104, the audio driving module 104 may directly analyze control information in the second control signal and convert the second control signal into an audio driving signal, where the audio driving signal includes audio driving information, the audio driving module 104 outputs the audio driving signal to the audio module 40, and then the audio driving signal may directly drive the audio module 40 to send out a corresponding audio signal, where the audio signal is used as an acoustic signal, which may bring a good hearing experience to a user, and the user may obtain corresponding audio content through the audio signal; specifically, the audio module 40 can be driven to generate sound with a preset volume through the audio driving signal, and the audio module 40 can present different sound effects to meet the hearing requirement of a user; therefore, the audio signal emitted by the audio module 40 in this embodiment has a relatively simple and convenient adjusting function, the sound generating effect of the audio module 40 can be directly controlled through the audio driving signal, so that the display screen can directly meet the hearing requirement of the user, and the sound generating state of the audio module 40 can have higher adjustability and flexibility through the audio driving module 104; therefore, the wireless control circuit 10 in this embodiment can directly adjust the operating state of the audio module 40, the control steps are simple, the sound production effect of the display screen can be rapidly adjusted in different communication environments through the audio driver module 104, the control response speed of the sound production effect is fast, the audio driver module 104 has higher audio driving accuracy and reliability, better use experience is brought to a user, and the application range of the wireless control circuit 10 is wider.

Referring to fig. 2, fig. 2 shows a schematic structure of the display driving module 103 and the light emitting module 30 provided in this embodiment, in which the display driving module 103 includes at least one driving unit 1031 and at least one switch unit 1032, the light emitting module 30 includes at least one LED lamp, the driving unit 1031 is connected to the switch unit 1032 in a one-to-one correspondence manner, and the switch unit 1032 is connected to the LED lamp in a one-to-one correspondence manner; furthermore, the light emitting module 30 in this embodiment can combine a plurality of LED lamps to achieve corresponding light emitting effects, and the display driving module 103 can enable the plurality of LED lamps to exhibit different light emitting effects, the light emitting state of the light emitting module 30 has flexible adjustability, the light emitting module 30 can exhibit light sources of different colors, the wireless control circuit 10 can adjust and control the image display effect of the display screen in a multifunctional manner, and better visual experience is brought to users.

The driving unit 1031 is configured to generate a driving signal according to the first control signal; the driving units 1031 have a light source driving function, each driving unit 1031 is connected with the control module 102, each driving unit 1031 is connected to corresponding light source control information, the driving units 1031 output a driving signal, the driving signal can directly regulate and control the light emitting state of the LED lamp, so that the LED lamp can emit corresponding light sources according to the actual operation requirements of a user, the driving units 1031 have high signal conversion accuracy, and the light source control efficiency is guaranteed.

The switch unit 1032 is configured to turn on or off according to the driving signal, and adjust a current flowing through the corresponding LED lamp.

The on-off state of the switch unit 1032 is changed through the driving signal, for example, the level state of the driving signal controls the switch unit 1032 to be turned on or off, and the on-off state of the switch unit 1032 has high control efficiency and control accuracy; when the switch unit 1032 is in the on or off state, the input electric energy of the LED lamp connected to the switch unit 1032 also changes, so that the light emitting state of the LED lamp can be adaptively changed according to the operation requirement of the user, and the light emitting state of the LED lamp has more flexible controllability; the light-emitting module 30 can present different light-emitting effects by changing the input electric energy of the LED lamp, and the image display state of the display screen has higher control accuracy; for example, if the first switch unit 1032 is connected to the first LED lamp, the first switch unit 1032 may directly change the current flowing through the first LED lamp, so that the first LED lamp exhibits different light emitting effects, and so on, each switch unit 1032 can adaptively change the light emitting state of the corresponding LED lamp, which is beneficial to improving the light source control reliability and stability of each LED lamp; specifically, the input current of the LED lamp is cut off through the switch unit 1032, the LED lamp is rapidly turned off, and the switch unit 1032 can enable the LED lamp to achieve a flexible on-off control function; the amplitude of the current flowing through the LED lamp is adjusted, so that the LED lamp can present light sources with different brightness, and the safe adjustment of the light source display effect of the LED lamp is realized; therefore, the on-off state of the switch unit 1032 is changed in the embodiment, so that the light source display effect of the corresponding LED lamp is synchronously adjusted, the flexibility is high, the light emitting state of the light emitting module 30 can be changed in a self-adaptive manner according to the operation requirement of a technician, and the light source of the display screen has high control response speed.

Fig. 1 shows a structural schematic diagram of a wireless control circuit 10, where the wireless control circuit 10 has a relatively simplified circuit module structure, and implements a precise wireless communication function with a mobile terminal 20 through a bluetooth module 101, so that a user can remotely and wirelessly control an acousto-optic display effect of a display screen through the mobile terminal 20, and thus, the cost of wireless signal transmission is low, steps of acousto-optic control are simplified, and great convenience is brought to the operation of the user; when the wireless control circuit 10 receives the communication signal, the wireless control circuit 10 can directly analyze the user operation information in the communication signal, and after the communication signal is analyzed and converted, the light source display effect of the light-emitting module 30 and the sound production effect of the audio module 40 can be changed, and the display screen can bring better visual experience and auditory experience to the user; the light-emitting module 30 combines the light-emitting states of the plurality of LED lamps to present a multifunctional light source display effect to a user, the light-emitting state of the light-emitting module 30 has more flexible, simple and convenient adjustability, the display screen can combine the light-emitting module 30 and the audio module 40 to realize more complete circuit functions, the controllability is strong, and the application range is wide; therefore, the sound and light control effect of the display screen has higher accuracy, controllability and flexibility, higher control accuracy and control response speed and higher practical value of the working state of the display screen by wirelessly transmitting the operation instruction of the user; the problems that the step of acousto-optic control of the display screen is too complex in the traditional technology, great inconvenience is brought to the actual operation process of a user, the accuracy of the light source control performance and the accuracy of the sound control performance of the display screen are low, the acousto-optic control effect cannot meet the actual visual and auditory demands of the user, the practical value is low, the sensitivity of the acousto-optic display effect of the display screen is low, and the acousto-optic display effect is difficult to use generally are solved effectively.

As an alternative embodiment, the mobile terminal 20 is at least one of a mobile phone and a tablet computer.

The wireless control circuit 10 of the embodiment realizes a wireless communication function with different types of mobile terminals 20, and has extremely strong compatibility, so that a user can transmit operation information to the bluetooth module 101 through the mobile terminal 20, and the integrity of signal wireless transmission can be completely maintained through the bluetooth module 101; the user can change the acousto-optic display effect of the display screen flexibly through the mobile terminal 20, the acousto-optic control steps are simple, convenient and flexible, the method can be universally applied to different industrial technical fields, and the mobile terminal 20 can realize the compatibility between the working state of the light-emitting module 30 and the working state of the audio module 40.

As an alternative embodiment, audio module 40 includes a speaker.

When the audio driving module 104 outputs the audio driving signal to the loudspeaker, the loudspeaker can be driven by the audio driving signal to realize different sound effects so as to meet the hearing requirement of a user; therefore, the audio module 40 has a relatively simplified circuit module structure, the wireless control circuit 10 can directly change the sounding state of the loudspeaker, the sounding state control cost of the audio module 40 is reduced, the audio signal sent by the audio module 40 has higher precision regulation and control performance, and the sound control response speed of the display screen is relatively high.

As an optional implementation manner, fig. 3 shows a schematic circuit structure of the control module 102 provided in this embodiment, please refer to fig. 3, where the control module 102 includes: the circuit comprises a control chip U1, a first capacitor C1, a second capacitor C2 and a first resistor R1.

Referring to fig. 3, the data transceiver pin of the control chip U1 is connected to the bluetooth module 101, the data transceiver pin of the control chip U1 includes a PC4 and a PA4, and a compatible wireless signal transmission function can be implemented between the control chip U1 and the bluetooth module 101, so that the signal transmission rate is high; the first serial communication pin PA3 of the control chip U1 is connected with the display driving module 103, and when the control chip U1 generates a first control signal according to the communication signal, the control chip U1 outputs the first control signal to the display driving module 103; the second serial communication pin PA2 of the control chip U1 is connected to the audio driver module 104, and when the control chip U1 generates a second control signal according to the communication signal, the second serial communication pin PA2 of the control chip U1 outputs the second control signal to the audio driver module 104, so that the control chip U1 has high signal transmission compatibility with the audio driver module 104; the first control signal and the second control signal have higher signal transmission rate and signal transmission precision.

A first end of the first resistor R1, a first end of the first capacitor C1 and a first end of the second capacitor C2 are commonly connected to a power supply pin VDD of the control chip U1, a second end of the first capacitor C1 is grounded GND, a second end of the second capacitor C2 is grounded GND, and a second end of the first resistor R1 is connected with a first direct-current power supply; optionally, the first dc power supply is a 1V-10V dc power supply, the power supply safety of the control chip U1 can be guaranteed by the dc power output by the first dc power supply, and the control chip U1 can be kept in a more stable and safe working state.

Exemplarily, the model of the control chip U1 is CS16312 or RDA5807, and therefore the control module 102 in this embodiment has a relatively compatible circuit structure, the control chip U1 can implement a signal conversion function, the control chip U1 converts the operation information of the user into a corresponding control signal to implement an acousto-optic control function, and greatly improves the acousto-optic control precision and accuracy of the display screen, the control chip U1 has a relatively high signal conversion precision and signal conversion rate, the signal conversion function of the wireless control circuit 10 is relatively simplified, under the centralized control of the control chip U1, the sensitive control effects on the light emitting module 30 and the audio module 40 can be ensured, the wireless control circuit 10 implements a reliable acousto-optic control effect in various industrial and technical fields, and the practical value of the wireless control circuit 10 is improved.

As an optional implementation manner, fig. 4 shows a schematic circuit structure of the driving unit 1031 provided in this embodiment, please refer to fig. 4, and the driving unit 1031 includes: a driver chip U2 and a third capacitor C3.

Specifically, referring to fig. 4, the control signal input pin of the driving chip U2 is connected to the control module 102, and the control signal input pin of the driving chip U2 includes: q1, Q2, Q3, Q4, Q5, Q6 and Q7, and the control module 102 outputs the first control signal to the driving chip U2, so that the driving chip U2 can be in a stable and safe working state for a long time; the driving signal output pin Q0 of the driving chip U2 is connected to the switch unit 1032, when the driving chip U2 generates the driving signal, the driving signal output pin Q0 of the driving chip U2 outputs the driving signal to the switch unit 1032, the operating state of the switch unit 1032 is directly changed by the driving chip U2, the signal transmission rate of the driving signal is improved, and the light emitting state of the light emitting module 30 has higher adjustment accuracy and adjustment rate.

A power supply pin of the driving chip U2 and a first end of a third capacitor C3 are connected to a second direct-current power supply in a sharing mode, and a second end of the third capacitor C3 is connected to the GND; optionally, the second dc power supply is a 1V-10V dc power supply, and the dc power output by the second dc power supply can enable the driving chip U2 to realize a stable light source driving function, so that the visual experience of the user is better.

Illustratively, the model of the driving chip U2 is AYD201A or HY 18005; therefore, the driving unit 1031 in this embodiment can implement a light source driving function through the driving chip U2, the driving chip U2 can compatibly recognize the control information in the first control signal, and output a corresponding driving signal, and the driving chip U2 has high signal conversion accuracy and reliability; each driving unit 1031 can change the light emitting effect of the corresponding LED lamp in real time through the driving signal, the compatibility of the circuit structure is high, and the light source control sensitivity and the control response precision of the wireless control circuit 10 are effectively improved.

As an alternative embodiment, the switch unit 1032 comprises a switch tube; the first conduction end of the switching tube is connected with a third direct-current power supply, optionally, the third direct-current power supply is a 1V-10V direct-current power supply, wherein direct-current electric energy output by the third direct-current power supply can be used as power supply electric energy of the LED lamp, and the LED lamp can keep a stable working state; the second conduction end of the switch tube is connected with the LED lamp, and the control end of the switch tube is connected with the driving unit 1031; the driving signal is output to the control end of the switching tube through the driving unit 1031, the input electric energy of the LED lamp is changed in real time through the level state of the driving signal, so that the LED lamp presents different light emitting effects, and the switching unit 1032 has higher regulation and control speed and light source control accuracy for the LED lamp.

Optionally, the switching tube is an MOS tube or a triode; illustratively, the switching element is a PMOS transistor, a gate of the PMOS transistor is a control terminal of the switching element, a source of the PMOS transistor is a first conducting terminal of the switching element, and a drain of the PMOS transistor is a second conducting terminal of the switching element, so the switching unit 1032 has a relatively compatible circuit structure.

In the embodiment, the on-off state of the switch tube can be changed in time through the driving signal, so that the input electric energy of the LED lamp has a flexible control mode correspondingly, the switch unit 1032 has a simple and convenient control step, when the switch tube realizes a flexible on-off control function according to the driving signal, the light emitting effect of the LED lamp can completely meet the actual visual requirement of technicians, the light source control effect of the wireless control circuit 10 on the LED lamp is improved, and the controllability is strong.

As an alternative implementation, fig. 5 shows another circuit module schematic of the wireless control circuit 10 of the display screen provided in this embodiment, and compared with the structure schematic of the wireless control circuit 10 in fig. 1, the wireless control circuit 10 in fig. 5 further includes an amplifying module 105; the amplifying module 105 is connected between the bluetooth module 101 and the control module 102, and is configured to amplify the power of the communication signal.

After the communication signal is subjected to power amplification through the amplification module 105, the integrity of the operation information in the communication signal is further reserved, and when the bluetooth module 101 outputs the communication signal to the amplification module 105, the transmission precision and reliability of the communication signal are maintained through the amplification module 105; the communication signal after power amplification can realize better acousto-optic control effect on the display screen so as to keep the accuracy of acousto-optic control and improve the use experience of a user; therefore, the inside of the wireless control circuit 10 in this embodiment has higher signal transmission accuracy and signal transmission compatibility, and the problems of larger distortion and power loss of the communication signal in the internal transmission process of the wireless control circuit 10 are avoided; user operation information in the communication signal can be completely reserved through the amplification module 105 in the embodiment, the light source display state and the sound production state of the display screen can be changed in a self-adaptive mode completely according to the operation requirements of technical staff, the wireless control circuit 10 keeps the high-precision signal transmission state in different industrial environments, the application range is wider, and higher sound and light control precision can be achieved through the communication signal after power amplification.

As an alternative implementation, fig. 6 shows a schematic circuit structure of the amplifying module 105 provided in this embodiment, please refer to fig. 6, where the amplifying module 105 includes: the circuit comprises an amplification chip U3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7 and a first inductor L1.

The positive signal output pin OUTL of the amplifying chip U3, the first end of the seventh resistor R7 and the first end of the ninth capacitor C9 are commonly connected to the positive signal output terminal of the amplifying module 105, and the negative signal output pin OUTR of the amplifying chip U3, the first end of the fourth capacitor C4 and the first end of the second resistor R2 are commonly connected to form the negative signal output terminal of the amplifying module 105.

The positive signal output terminal of the amplification module 105 and the negative signal output terminal of the amplification module 105 are connected with the control module 102; after the amplification chip U3 performs power amplification on the communication signal, the communication signal after power amplification is output to the control module 102 through the signal output positive terminal of the amplification module 105 and the signal output negative terminal of the amplification module 105, so that the control module 102 realizes a more accurate sound and light control function, and the amplification module 105 and the control module 102 have a higher communication signal transmission rate and transmission accuracy.

The second terminal of the seventh resistor R7, the second terminal of the ninth capacitor C9, and the first negative input pin INL-of the amplifying chip U3 are commonly connected to the first terminal of the sixth resistor R6, and the second terminal of the sixth resistor R6 is the signal positive input terminal of the amplifying module 105.

The first positive input pin INL + of the amplification chip U3 is grounded GND.

Two ends of the fourth capacitor C4, the second end of the second resistor R2, and the second negative input pin INR-of the amplifying chip U3 are commonly connected to the first end of the third resistor R3, and the second end of the third resistor R3 is the signal negative input end of the amplifying module 105.

The signal positive input end of the amplifying module 105 and the signal negative input end of the amplifying module 105 are connected with the Bluetooth module 101.

The second positive input pin INR + of the amplifying chip U3, the ground pin GND of the amplifying chip U3 and the first end of the sixth capacitor C6 are commonly connected to the ground GND; the communication signal is output to the amplifying module 105 through the Bluetooth module 101, and the amplifying chip U3 amplifies the power of the communication signal by utilizing the voltage difference between the first negative input pin INL-of the amplifying chip U3 and the first positive input pin INL + of the amplifying chip U3 and the voltage difference between the second negative input pin INR-of the amplifying chip U3 and the second positive input pin INR + of the amplifying chip U3 so as to guarantee the amplification accuracy and stability of the communication signal; the communication signal amplification function of the amplification module 105 can improve the accuracy and stability of the sound and light control, better visual experience and auditory experience are brought to a user, and the amplification module 105 has higher compatibility and practical value.

The power supply pin of the amplifying chip U3 is connected with the second end of the sixth capacitor C6; the power supply pin of the amplification chip U3 comprises PVSS and SVSS, the sixth capacitor C6 has a voltage stabilizing function, power supply safety and an application range of the amplification chip U3 are guaranteed, and the amplification chip U3 has high signal amplification stability.

The first end of the fifth capacitor C6 and the first end of the eighth capacitor C8 are connected to the power pin of the amplifier chip U3, and optionally, the power pin of the amplifier chip U3 includes: SVDD and PVDD can ensure that the amplifying chip U3 is in a rated working state through a power supply power pin, and avoid the damage to the safety of the amplifying chip U3 caused by the overlarge fluctuation range of the internal electric energy power of the amplifying chip U3; the second terminal of the fifth capacitor C5 is connected to GND, and the second terminal of the eighth capacitor C8 is connected to GND.

A first end of the fifth resistor R5 and a first end of the fourth resistor R4 are commonly connected to a switching-off control pin SHDN of the amplification chip U3, a second end of the fourth resistor R4 is grounded GND, and a second end of the fifth resistor R5 is connected to a switching-off control signal; the amplification chip U3 can stop working immediately by turning off the control signal, the working state of the amplification chip U3 has a sensitive control function, and the amplification precision of the amplification module 105 on the communication signal is guaranteed.

The seventh capacitor C7 is connected between the communication configuration positive pin C1P of the amplification chip U3 and the communication configuration negative pin C1N of the amplification chip U3; the communication configuration positive pin C1P and the communication configuration negative pin C1N can enable the amplification chip U3 to keep normal communication functions, and the amplification chip U3 has higher control flexibility.

A first end of a tenth capacitor C10, a first end of an eleventh capacitor C11 and a first end of a first inductor L1 are commonly connected to a power supply pin SVDD of the amplification chip U3, a second end of the tenth capacitor C10 and a second end of the eleventh capacitor C11 are commonly connected to the ground GND, and a second end of the first inductor L1 is connected to the fourth DC power supply; optionally, the fourth dc power supply is a 1V-10V dc power supply, and the dc power is output to the amplification chip U3 through the fourth dc power supply, so as to ensure the power supply safety and reliability of the amplification chip U3, the amplification chip U3 can achieve safe and stable power amplification on the communication signal, and the signal transmission process of the wireless control circuit 10 has high anti-interference performance.

Optionally, the type of the amplification chip U3 is HT6808 or HT 6809; therefore, the amplification module 105 in this embodiment implements the adaptive amplification function on the communication signal through the amplification chip U3, and the communication signal after power amplification can maintain higher sound and light control accuracy; the amplifying module 105 has a simplified circuit structure, the amplifying chip U3 can achieve a flexible amplifying function for the communication signal, the controllability is strong, and the inside of the wireless control circuit 10 has high transmission efficiency and transmission precision for the communication signal.

As an optional implementation manner, fig. 7 shows a schematic circuit structure of the bluetooth module 101 provided in this embodiment, please refer to fig. 7, where the bluetooth module 101 includes: the bluetooth chip U4, a twelfth capacitor C12, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a seventeenth capacitor C17, an eighteenth capacitor C18, a nineteenth capacitor C19, a twentieth capacitor C20, a twenty-first capacitor C21, a twenty-second capacitor C22, a twenty-third capacitor C23, a twenty-fourth capacitor C24, a first crystal Y1, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a second inductor L2, a third inductor L3, a first switch SW1, a second switch SW2 and a first light emitting diode LED 1.

A positive signal output pin DACR of the bluetooth chip U4 is connected to the first end of the twelfth capacitor C12, a negative signal output pin DACL of the bluetooth chip U4 is connected to the first end of the thirteenth capacitor C13, the second end of the twelfth capacitor C12 is connected to the first end of the eighth resistor R8, the second end of the thirteenth capacitor C13 is connected to the first end of the ninth resistor R9, the second end of the eighth resistor R8 is a positive signal output terminal of the bluetooth module 101, and the second end of the ninth resistor R9 is a negative signal output terminal of the bluetooth module 101.

The positive signal output end of the Bluetooth module 101 and the negative signal output end of the Bluetooth module 101 are connected with the control module 102; the bluetooth module 101 can output the communication signal to the control module 102, and the bluetooth module 101 has high transmission accuracy and transmission efficiency of the communication signal, and can ensure the rotation speed rate in the signal between the wireless control circuit 10 and the mobile terminal 20 according to the bluetooth chip U4.

An internal power supply pin DACVDD of the Bluetooth chip U4 is connected with a first end of a fourteenth capacitor C14, and a common-mode signal input pin VCOM of the Bluetooth chip U4 is connected with a first end of a fifteenth capacitor C15; the internal power stability and effectiveness of the Bluetooth chip U4 can be guaranteed through the internal power pin DACVDD and the common-mode signal input pin VCOM, the Bluetooth chip U4 can realize the stable transmission function of communication signals, the transmission safety of the communication signals is higher, and the controllability is stronger; a second end of the fourteenth capacitor C14, a second end of the fifteenth capacitor C15, a ground pin DACVSS of the bluetooth chip U4, and a first end of the sixteenth capacitor C16 are commonly connected to the ground GND, a second end of the sixteenth capacitor C16, and a switch control pin VDDIO of the bluetooth chip U4 are commonly connected to a first end of a tenth resistor R10, a second end of the tenth resistor R10, a first end of the first switch SW1, and a first end of the eleventh resistor R11 are commonly connected to a switch control signal, a second end of the eleventh resistor R11 is connected to a first end of the second switch SW2, and a second end of the first switch SW1 and a second end of the second switch SW2 are commonly connected to the ground GND; the working state of the bluetooth chip U4 can be changed by the switch control signal, and when the first switch SW1 and the second switch SW2 are turned on or off, the switch control pin VDDIO of the bluetooth chip U4 is connected to different switch control information to drive the bluetooth module 101 to realize higher communication signal transmission simplicity and compatibility; therefore, the first switch SW1 and the second switch SW2 receive the key-press instruction of the user, so that the Bluetooth chip U4 can transmit the communication signal according to the circuit control requirement of the user, and the effect of sound and light control is achieved; therefore, the working state of the bluetooth module 101 in this embodiment has a sensitive control function, and brings a good use experience to the user.

A first input/output end of the first crystal oscillator Y1 and a first end of the twenty-fourth capacitor C24 are commonly connected to an oscillation signal output pin BT _ OSCO of the bluetooth chip U4, a second input/output end of the first crystal oscillator Y1 and a first end of the twenty-third capacitor C23 are commonly connected to an oscillation signal input pin BT _ OSCI of the bluetooth chip U4, a second end of the twenty-third capacitor C23 is grounded GND, and a second end of the twenty-fourth capacitor C24 and a grounded end of the first crystal oscillator Y1 are commonly connected to the ground GND; the crystal oscillator signal is generated by the first crystal oscillator Y1, and a specific crystal oscillator frequency can be provided to the bluetooth chip U4 through the crystal oscillator signal, so that the bluetooth chip U4 is in a stable working state, and the bluetooth chip U4 has higher internal signal control safety.

A wireless communication pin BT _ RF of the Bluetooth chip U4 is connected with a first end of a second inductor L2, a second end of the second inductor L2 and a first end of a third inductor L3 are commonly connected with a first end of a twenty-second capacitor C22, a second end of the twenty-second capacitor C22 is in wireless communication with the mobile terminal 20, a second end of the third inductor L3 and a first end of a seventeenth capacitor C17 are commonly connected with the ground GND, and a second end of the seventeenth capacitor C17 is connected with a communication driving pin BT _ VDD of the Bluetooth chip U3; the second end of the twelfth capacitor C22 and the mobile terminal 20 realize a wireless transmission function, so that the transmission efficiency and the transmission precision of the communication signal are guaranteed, the communication stability of the bluetooth chip U3 can be guaranteed through the communication driving pin BT _ VDD, the wireless communication pin BT _ RF of the bluetooth chip U4 can be completely compatible with the operation information in the communication signal, the signal transmission state of the bluetooth chip U4 is simpler and more convenient, and the wireless signal transmission cost between the wireless control circuit 10 and the mobile terminal 20 is reduced.

A first end of an eighteenth capacitor C18, a first end of a nineteenth capacitor C19 and a first end of a thirteenth resistor R13 are commonly connected to a power driving pin VBAT of the bluetooth chip U4, a second end of the eighteenth capacitor C18 is connected to a ground GND, a second end of the nineteenth capacitor C19 is connected to the ground GND, a second end of a thirteenth resistor R13, a first end of a twentieth capacitor C20 and a first end of a twenty-first capacitor C21 are commonly connected to a fifth dc power supply, optionally, the fifth dc power supply is a 1V-10V dc power supply, a second end of a twentieth capacitor C20 is connected to the ground GND, and a first end of a twenty-first capacitor C21 is connected to the ground GND; can ensure bluetooth chip U4's power supply security and stability through fifth DC power supply output to DC power, bluetooth chip U4 can be in rated operating condition all the time, and eighteenth electric capacity C18, nineteenth electric capacity C19, twentieth electric capacity C20 and twenty-first electric capacity C21 can ensure that bluetooth chip U4 inserts stable electric energy, and bluetooth chip U4 can ensure communication signal transmission's integrality.

The status indication pin ADC9/AUXOR/SDOCLKB/PB5 of the Bluetooth chip U4 is connected with the first end of a twelfth resistor R12, the second end of the twelfth resistor R12 is connected with the anode of a first light-emitting diode LED1, and the cathode of the first light-emitting diode LED1 is grounded GND; the status indication signal is output through the status indication pin ADC9/AUXOR/SDOCLKB/PB5 of the Bluetooth chip U4, the first light-emitting diode LED1 is turned on or off through the status indication signal, the actual signal transmission state of the Bluetooth module 101 can be obtained according to the on-off state of the first light-emitting diode LED1, and a user can more intuitively obtain the communication signal receiving state of the wireless control circuit 10 so as to prevent the communication process of the Bluetooth chip U4 from being in a fault state for a long time; the bluetooth module 101 ensures the signal transmission efficiency between the wireless control circuit 10 and the mobile terminal 20, and brings good use experience to the user.

Optionally, the model of the bluetooth chip U4 is QCC3026 or CC 1352P; bluetooth module 101 can realize communication signal's compatible transmission function through bluetooth chip U4, Bluetooth module 101 has comparatively simplified circuit structure, bluetooth chip U4 is applicable in each different communication environment, and keep communication signal's accuracy, high-efficient transmission process, the technical staff passes through mobile terminal 20 and exports operating information to wireless control circuit 10, in order to implement the acousto-optic display effect of controlling the display screen, the use of giving the user has brought very big facility, the acousto-optic control step of display screen has been simplified.

As an alternative implementation, fig. 8 shows another circuit module schematic of the wireless control circuit 10 provided in this embodiment, and compared with the structure schematic of the wireless control circuit 10 in fig. 1, the wireless control circuit 10 in fig. 8 further includes: a power supply module 106 and a voltage regulator module 107.

The power module 106 is connected to the sixth dc power supply, and is configured to generate a power signal according to the dc power output by the sixth dc power supply.

Optionally, the sixth dc power supply is a 1V-10V dc power supply, and the dc power output by the sixth dc power supply can keep the electronic components in a rated working state, so that the power supply of the wireless control circuit 10 is more stable.

The power module 106 has an electric energy conversion function, when the sixth dc power source outputs dc electric energy, the power module 106 converts the dc electric energy output by the sixth dc power source into a power signal, where the power signal includes a power signal with a specific amplitude, the power-on function of the electronic component can be realized by the power signal, and the power signal can maintain higher electric energy transmission precision in the wireless control circuit 10; therefore, when the power module 106 realizes the function of power conversion, the inside of the wireless control circuit 10 has higher power conversion efficiency and application range.

The voltage stabilizing module 107 is connected to the power module 106 and the bluetooth module 101, and is configured to perform voltage stabilizing processing on the power signal and output the power signal to the bluetooth module 101.

When the bluetooth module 101 is connected to the power signal after the voltage stabilization, the power signal can supply power to the bluetooth module 101, so that the bluetooth module 101 is in a stable communication state.

The voltage stabilizing module 107 has an electric energy voltage stabilizing function, when the power supply module 106 outputs the power supply signal to the voltage stabilizing module 107, the voltage stabilizing module 107 can eliminate an electric energy interference component in the power supply signal so as to maintain the amplitude of the power supply signal in a stable state, and more stable power supply electric energy can be provided for the bluetooth module 101 through the power supply signal after voltage stabilization so as to ensure the communication stability of the bluetooth module 101; therefore, the bluetooth module 101 in this embodiment uses an independent power signal to supply power, which ensures the signal transmission security and communication compatibility of the wireless control circuit 10, the wireless control circuit 10 has higher electric energy anti-interference performance, the mobile terminal 20 outputs a communication signal to the wireless control circuit 10, and the bluetooth module 101 can be in a rated working state in real time by combining the power module 106 and the voltage stabilizing module 107, the internal electric energy of the bluetooth module 101 has higher stability, the wireless control circuit 10 can be widely applied to different external environments, and the compatibility is stronger.

As an alternative implementation, fig. 9 shows a schematic circuit structure of the voltage regulation module 107 provided in this embodiment, please refer to fig. 9, where the voltage regulation module 107 includes: a voltage stabilizing chip U5, a twenty-fifth capacitor C25, a twenty-sixth capacitor C26, a twenty-seventh capacitor C27, a twenty-eighth capacitor C28 and a first diode D1.

The twenty-fifth capacitor C25 is connected between the voltage-driven positive electrode pin C + of the voltage-stabilizing chip U5 and the voltage-driven negative electrode pin C-of the voltage-stabilizing chip U5, the internal electric energy threshold of the voltage-stabilizing chip U5 can be maintained in a safe range through the twenty-fifth capacitor C25, and the self physical safety of the voltage-stabilizing chip U5 is guaranteed; a power supply pin VDD of the voltage stabilization chip U5, an enable pin EN of the voltage stabilization chip U5, a first end of a twenty-sixth capacitor C26 and a first end of a twenty-seventh capacitor C27 are connected to the power supply module 106 in common, a second end of the twenty-sixth capacitor C26 is grounded GND, and a second end of the twenty-seventh capacitor C27 is grounded GND; power signals are output to the voltage stabilization chip U5 through the power supply module 106, high signal transmission precision is achieved between the voltage stabilization chip U5 and the power supply module 106, the twenty-sixth capacitor C26 and the twenty-seventh capacitor C27 can prevent the power signals from being greatly lost in the transmission process, the voltage stabilization chip U5 can achieve a high-precision voltage stabilization control function for the power signals, and the voltage stabilization chip U5 has high electric energy compatibility.

The anode of the first diode D1 and the first end of the twenty-eighth capacitor C28 are connected to the voltage output pin VOUT of the voltage stabilizing chip U5 in common, the second end of the twenty-eighth capacitor C28 is grounded GND, and the cathode of the first diode D1 is connected to the Bluetooth module 101; the first diode D1 has a voltage stabilizing function for electric energy, and then the voltage stabilizing module 107 can output the more stable electric energy to the bluetooth module 101 quickly, and the internal electric energy of the wireless control circuit 10 is compatible with the transmission performance.

Optionally, the model of the voltage stabilizing chip U5 is LM723 or MC 1403; the voltage stabilizing module 107 in this embodiment can realize a rapid voltage stabilizing function of the electric energy through the voltage stabilizing chip U5, and the voltage stabilizing precision is high; when the power pin VDD of the voltage stabilization chip U5 is connected to a power signal, the voltage stabilization chip U5 can stabilize the amplitude of the power signal, and the voltage output pin VOUT of the voltage stabilization chip U5 outputs the electric energy after voltage stabilization processing, the bluetooth module 101 can access rated electric energy and maintain a normal working state for a long time, thereby avoiding the problem that the electronic components inside the bluetooth module 101 are physically damaged due to overvoltage or overcurrent, the user outputs operation information to the wireless control circuit 10 through the mobile terminal 20, and the acousto-optic display state of the display screen has more flexible controllability.

As an alternative implementation, fig. 10 shows a schematic circuit structure of the power module 106 provided in this embodiment, please refer to fig. 10, where the power module 106 includes: the power conversion circuit comprises a power conversion chip U6, a twenty-ninth capacitor C29, a thirty-third capacitor C30, a fourteenth resistor R14 and a fifteenth resistor R15.

The grounding pin of the power conversion chip U6 is grounded GND;

the electric energy input pin of the power conversion chip U6 is connected with the sixth direct current power supply, and then the power conversion chip U6 can be directly connected with the direct current electric energy output by the sixth direct current power supply. So as to realize the voltage stabilizing function of the direct current electric energy.

A first end of the fourteenth resistor R14 and a first end of the fifteenth resistor R15 are commonly connected to the power output pin of the power conversion chip U6, a second end of the fourteenth resistor R14 is a first power output end of the power module 106, a second end of the fifteenth resistor R15, a first end of the twenty-ninth capacitor C29, and a first end of the thirty-second capacitor C30 are commonly connected to form a second power output end of the power module 106, a second end of the twenty-ninth capacitor C29 is grounded to GND, and a second end of the thirty-second capacitor C30 is grounded to GND.

The first power output end of the power module 106 and the second power output end of the power module 106 are connected with the voltage stabilizing module 107; when the power conversion chip U6 converts the dc power to obtain a power signal, the power module 106 outputs the power signal to the voltage stabilizing module 107 through the first power output terminal and the second power output terminal, and a relatively compatible power signal transmission function is provided between the power module 106 and the voltage stabilizing module 107.

Illustratively, as shown in fig. 10, the ground pins of the power conversion chip U6 are: a4 th pin and a5 th pin; the power input pin of the power conversion chip U6 is the 1 st pin, and the power output pin of the power conversion chip U6 is the 3 rd pin.

Optionally, the power conversion chip U6 is LT1956 or LT 3433; the power conversion chip U6 can output a corresponding power signal in real time, and the power signal maintains a compatible transmission function in the wireless control circuit 10; the power conversion chip U6 is comparatively simplified to the conversion step of direct current electric energy, power conversion chip U6 can be applied to different electric power environments, and convert the electric energy into power signal, in order to satisfy bluetooth module 101's rated power supply demand, power module 106 has higher electric energy conversion rate, application scope is extremely wide, wireless control circuit 10 realizes more stable wireless signal transmission function through bluetooth module 101, the reputation display state of display screen can take place the self-adaptation and change according to user's operating instruction.

Fig. 11 shows a schematic block structure of the display system 110 provided in this embodiment, please refer to fig. 11, in which the display system 110 includes: the wireless control circuit 10, the mobile terminal 20, the light-emitting module 30 and the audio module 40 as described above; the mobile terminal 20 wirelessly communicates with the wireless control circuit 10; the light emitting module 30 is connected with the wireless control circuit 10; the audio module 40 is connected with the wireless control circuit 10; the mobile terminal 20 outputs a communication signal, adjusts the light emitting state of the light emitting module 30 through the wireless control circuit 10, and drives the audio module 40 to play an audio signal.

Referring to the embodiments of fig. 1 to 10, the mobile terminal 20 can conveniently receive the operation information of the user, the mobile terminal 20 wirelessly transmits the operation information to the wireless control circuit 10, the wireless control circuit 10 realizes the acousto-optic control function according to the operation information of the user, the operating states of the light emitting module 30 and the audio module 40 have high control precision and control response speed, the operation information of the user is compatibly transmitted in the display system 110, and the acousto-optic control cost of the display system 110 is reduced; therefore, the display system 110 in this embodiment can realize the wireless control function of the acousto-optic display state, which brings great convenience to the operation of the user, the light source control function and the sound control function have relatively flexible controllability, the optical signals and the acoustic signals emitted by the display panel 110 completely meet the audiovisual requirements of the user, and the display system can be universally applied to various different industrial technical fields, which will have positive promotion effect on the simple control performance of the display screen in the field and will generate important industrial production value; the problems that in the prior art, the acousto-optic control steps of the display system are complex, the control cost is high, the operation steps of a user are complex, the operation comfort of the user is reduced, and the acousto-optic control effect of the display system cannot meet the audiovisual requirements of the user, so that the practical value of the conventional display system is low are effectively solved.

Various embodiments are described herein for various devices, circuits, apparatuses, systems, and/or methods. Numerous specific details are set forth in order to provide a thorough understanding of the overall structure, function, manufacture, and use of the embodiments as described in the specification and illustrated in the accompanying drawings. However, it will be understood by those skilled in the art that the embodiments may be practiced without such specific details. In other instances, well-known operations, components and elements have been described in detail so as not to obscure the embodiments in the description. It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.

Reference throughout the specification to "various embodiments," "in an embodiment," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with features, structures, or characteristics of one or more other embodiments without presuming that such combination is not an illogical or functional limitation. Any directional references (e.g., plus, minus, upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above …, below …, vertical, horizontal, clockwise, and counterclockwise) are used for identification purposes to aid the reader's understanding of the present disclosure, and do not create limitations, particularly as to the position, orientation, or use of the embodiments.

Although certain embodiments have been described above with a certain degree of particularity, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the scope of this disclosure. Joinder references (e.g., attached, coupled, connected, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. Thus, connection references do not necessarily imply that two elements are directly connected/coupled and in a fixed relationship to each other. The use of "for example" throughout this specification should be interpreted broadly and used to provide non-limiting examples of embodiments of the disclosure, and the disclosure is not limited to such examples. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the disclosure.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A wireless control circuit for a display screen, comprising:

the Bluetooth module is in wireless communication with the mobile terminal and is used for receiving the communication signal output by the mobile terminal;

the control module is connected with the Bluetooth module and used for generating a first control signal and a second control signal according to the communication signal;

the display driving module is connected with the control module and the light-emitting module and used for generating a driving signal according to the first control signal so as to adjust the light-emitting state of the light-emitting module, and the light-emitting module comprises at least one LED lamp; and

the audio driving module is connected with the control module and the audio module and used for generating an audio driving signal according to the second control signal so as to enable the audio module to play an audio signal;

wherein the display driving module comprises at least one driving unit and at least one switching unit;

the driving units are connected with the switch units in a one-to-one corresponding mode, and the switch units are connected with the LED lamps in a one-to-one corresponding mode;

the driving unit is used for generating the driving signal according to the first control signal; the switch unit is used for conducting or switching off according to the driving signal and regulating the current flowing through the corresponding LED lamp.

2. The wireless control circuit of claim 1, wherein the control module comprises:

the circuit comprises a control chip, a first capacitor, a second capacitor and a first resistor;

a data receiving and transmitting pin of the control chip is connected with the Bluetooth module, a first serial communication pin of the control chip is connected with the display driving module, and a second serial communication pin of the control chip is connected with the audio driving module;

the first end of the first resistor, the first end of the first capacitor and the first end of the second capacitor are connected to the power supply pin of the control chip, the second end of the first capacitor is grounded, the second end of the second capacitor is grounded, and the second end of the first resistor is connected to the first direct-current power supply.

3. The wireless control circuit according to claim 1, wherein the driving unit includes:

a driving chip and a third capacitor;

a control signal input pin of the driving chip is connected with the control module, and a driving signal output pin of the driving chip is connected with the switch unit;

and the power supply pin of the driving chip and the first end of the third capacitor are connected to a second direct-current power supply in a shared mode, and the second end of the third capacitor is grounded.

4. The wireless control circuit of claim 1, wherein the switch unit comprises a switch tube;

the first conduction end of the switch tube is connected with a third direct-current power supply, the second conduction end of the switch tube is connected with the LED lamp, and the control end of the switch tube is connected with the driving unit.

5. The wireless control circuit of claim 1, further comprising:

and the amplifying module is connected between the Bluetooth module and the control module and used for amplifying the power of the communication signal.

6. The wireless control circuit of claim 5, wherein the amplification module comprises:

the circuit comprises an amplification chip, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor and a first inductor;

a signal output positive pin of the amplification chip, a first end of the seventh resistor and a first end of the ninth capacitor are connected to a signal output positive end of the amplification module, and a signal output negative pin of the amplification chip, a first end of the fourth capacitor and a first end of the second resistor are connected to form a signal output negative end of the amplification module;

the signal output positive end of the amplification module and the signal output negative end of the amplification module are connected with the control module;

a second end of the seventh resistor, a second end of the ninth capacitor and a first negative input pin of the amplification chip are connected to a first end of the sixth resistor in common, and the second end of the sixth resistor is a signal positive input end of the amplification module;

a first positive input pin of the amplifying chip is grounded;

two ends of the fourth capacitor, a second end of the second resistor and a second negative input pin of the amplifying chip are connected to a first end of the third resistor in common, and the second end of the third resistor is a signal negative input end of the amplifying module;

the signal positive input end of the amplification module and the signal negative input end of the amplification module are connected with the Bluetooth module;

the second positive input pin of the amplification chip, the grounding pin of the amplification chip and the first end of the sixth capacitor are connected to the ground in common;

the power supply pin of the amplifying chip is connected with the second end of the sixth capacitor;

a first end of the fifth capacitor and a first end of the eighth capacitor are connected to a power supply pin of the amplification chip in common, a second end of the fifth capacitor is grounded, and a second end of the eighth capacitor is grounded;

a first end of the fifth resistor and a first end of the fourth resistor are connected to a turn-off control pin of the amplification chip in common, a second end of the fourth resistor is grounded, and a second end of the fifth resistor is connected to a turn-off control signal;

the seventh capacitor is connected between the communication configuration positive pin of the amplification chip and the communication configuration negative pin of the amplification chip;

the first end of the tenth capacitor, the first end of the eleventh capacitor and the first end of the first inductor are connected to a power supply pin of the amplification chip in common, the second end of the tenth capacitor and the second end of the eleventh capacitor are connected to the ground in common, and the second end of the first inductor is connected to a fourth direct-current power supply.

7. The wireless control circuit of claim 1, wherein the bluetooth module comprises:

the circuit comprises a Bluetooth chip, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a twenty-second capacitor, a twenty-third capacitor, a twenty-fourth capacitor, a first crystal oscillator, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a second inductor, a third inductor, a first switch, a second switch and a first light emitting diode;

a positive signal output tube pin of the bluetooth chip is connected with a first end of the twelfth capacitor, a negative signal output tube pin of the bluetooth chip is connected with a first end of the thirteenth capacitor, a second end of the twelfth capacitor is connected with a first end of the eighth resistor, a second end of the thirteenth capacitor is connected with a first end of the ninth resistor, a second end of the eighth resistor is a positive signal output end of the bluetooth module, and a second end of the ninth resistor is a negative signal output end of the bluetooth module;

the positive signal output end of the Bluetooth module and the negative signal output end of the Bluetooth module are connected with the control module;

an internal power supply pin of the bluetooth chip is connected to a first end of the fourteenth capacitor, a common mode signal input pin of the bluetooth chip is connected to a first end of the fifteenth capacitor, a second end of the fourteenth capacitor, a second end of the fifteenth capacitor, a ground pin of the bluetooth chip and a first end of the sixteenth capacitor are connected to the ground in common, a second end of the sixteenth capacitor and a switch control pin of the bluetooth chip are connected to a first end of the tenth resistor in common, a second end of the tenth resistor, a first end of the first switch and a first end of the eleventh resistor are connected to a switch control signal in common, a second end of the eleventh resistor is connected to a first end of the second switch, and a second end of the first switch and a second end of the second switch are connected to the ground in common;

a first input/output end of the first crystal oscillator and a first end of the twenty-fourth capacitor are connected to an oscillation signal output pin of the bluetooth chip, a second input/output end of the first crystal oscillator and a first end of the twenty-third capacitor are connected to an oscillation signal input pin of the bluetooth chip, a second end of the twenty-third capacitor is grounded, and a second end of the twenty-fourth capacitor and a grounded end of the first crystal oscillator are connected to the ground;

a wireless communication pin of the bluetooth chip is connected with a first end of the second inductor, a second end of the second inductor and a first end of the third inductor are connected with a first end of the twenty-second capacitor in a shared manner, a second end of the twenty-second capacitor is in wireless communication with the mobile terminal, a second end of the third inductor and a first end of the seventeenth capacitor are connected with the ground in a shared manner, and a second end of the seventeenth capacitor is connected with a communication driving pin of the bluetooth chip;

a first end of the eighteenth capacitor, a first end of the nineteenth capacitor and a first end of the thirteenth resistor are connected to the power driving pin of the bluetooth chip in common, a second end of the eighteenth capacitor is grounded, a second end of the nineteenth capacitor is grounded, a second end of the thirteenth resistor, a first end of the twentieth capacitor and a first end of the twenty-first capacitor are connected to a fifth direct-current power supply in common, a second end of the twentieth capacitor is grounded, and a first end of the twenty-first capacitor is grounded;

and the state indicating pin of the Bluetooth chip is connected with the first end of the twelfth resistor, the second end of the twelfth resistor is connected with the anode of the first light-emitting diode, and the cathode of the first light-emitting diode is grounded.

8. The wireless control circuit of claim 1, further comprising:

the power supply module is connected with the sixth direct-current power supply and used for generating a power supply signal according to the direct-current electric energy output by the sixth direct-current power supply; and

and the voltage stabilizing module is connected with the power supply module and the Bluetooth module and is used for performing voltage stabilizing processing on the power supply signal and outputting the power supply signal to the Bluetooth module.

9. The wireless control circuit of claim 8, wherein the voltage regulator module comprises:

the voltage stabilizing chip, the twenty-fifth capacitor, the twenty-sixth capacitor, the twenty-seventh capacitor, the twenty-eighth capacitor and the first diode;

the twenty-fifth capacitor is connected between a voltage-driven positive pin of the voltage-stabilizing chip and a voltage-driven negative pin of the voltage-stabilizing chip, a power pin of the voltage-stabilizing chip, an enabling pin of the voltage-stabilizing chip, a first end of the twenty-sixth capacitor and a first end of the twenty-seventh capacitor are connected to the power module in a common mode, a second end of the twenty-sixth capacitor is grounded, and a second end of the twenty-seventh capacitor is grounded;

the anode of the first diode and the first end of the twenty-eighth capacitor are connected to the voltage output pin of the voltage stabilizing chip in common, the second end of the twenty-eighth capacitor is grounded, and the cathode of the first diode is connected to the Bluetooth module.

10. A display system, comprising:

a wireless control circuit according to any of claims 1-9;

a mobile terminal in wireless communication with the wireless control circuit;

the light-emitting module is connected with the wireless control circuit; and

the audio module is connected with the wireless control circuit;

the mobile terminal outputs a communication signal, and adjusts the light-emitting state of the light-emitting module and drives the audio module to play an audio signal through the wireless control circuit.

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