Display system based on controllable broadcast audio

1 . A display system based on controllable broadcast audio,

comprising a wireless transmission device, a wireless receiver, a display unit, and a data connection cable;

wherein the wireless transmission device is in communication with the wireless receiver, the wireless receiver and the display unit are independent electronic units from each other, and the wireless receiver is connected with the display unit via the data connection cable;

wherein the wireless transmission device comprises a wireless transmitter and an input keyboard, the input keyboard is connected with an input end of the wireless transmitter, the wireless transmitter is provided with an audio input interface for audio source;

wherein the wireless receiver adopts a wireless headset with an output interface;

wherein the display unit is one of a mask with display function, a display panel, a display hood, a display badge, a display knapsack with a display, or a display arm bag with a display; the display unit has stored pre-downloaded display images, and the display images are dynamic images or static images;

wherein the wireless transmission device is configured to simultaneously transmit audio signals, control signals, and display signals by means of broadcasting;

wherein the wireless receiver is configured to receive the audio signals and the display signals transmitted by the wireless transmission device, and through a communication connection, convert and output the audio signals to earplugs and an earphone mic of the wireless headset for audio playback, and also output the display signals to the display unit for display through the data connection cable; and

wherein the control signals are channel setting control signals, and the wireless transmission device is configured to set the channel control signals by means of the input keyboard, a computer, an IPAD, a cell phone, or other devices that is freely and actively input, and then through broadcasting to realize a free control of channels that is received by the wireless receiver and the number of the channels to be received.

2 . The display system based on controllable broadcast audio according to claim 1 , wherein the display unit comprises a display frame, an LED matrix disposed on the display frame, and an LED driver chip disposed in the display frame; wherein an output end of the LED driver chip is connected with a drive end of the LED matrix.

3 . The display system based on controllable broadcast audio according to claim 1 , wherein the mask comprises a mask body and a mask display screen, the mask display screen is disposed on an upper part of a front of the mask body, and the mask display screen is connected with the wireless receiver via a data cable;

wherein the display panel comprises a panel display screen and a tightening belt, the panel display screen is provided with connectors on both sides of a back thereon, and two ends of the tightening belt are connected with the connectors;

wherein the display hood comprises a hood body and a hood display screen, the hood display screen is disposed on a front of the hood body, the wireless receiver is disposed on a top or a back of the hood body, and the wireless receiver is connected with the hood display screen via a soft circuit;

wherein the display badge comprises a badge display screen and a lanyard, the lanyard is attached with the badge display screen;

wherein the display knapsack comprises a knapsack body and a knapsack display screen, the knapsack display screen is disposed on a face of the knapsack body; and

wherein the display arm bag comprises an arm bag body and an arm bag display screen, the arm bag display screen is provided on the arm bag body.

4 . The display system based on controllable broadcast audio according to claim 1 , wherein the wireless transmitter comprises an audio input module for audio source, an audio compression and amplification module, a stereo and light control modulation module, a high frequency amplification module, a microcontroller module, a high frequency locking-in module, a transmitting antenna, and a light control input interface module;

wherein an output end of the audio input module for audio source is connected with an input end of the audio compression and amplification module;

wherein an output end of the audio compression and amplification module is connected with an input end of the stereo and light control modulation module, and

wherein an output end of the stereo and light control modulation module is connected with and input end of the high frequency locking-in module;

wherein an output end of the high frequency locking-in module is connected with an input end of the transmitting antenna;

wherein the audio compression and amplification module is connected with the microcontroller module for two-way communication;

wherein an output end of the microcontroller module is connected with an input end of the high frequency locking-in module;

wherein an output end of the high frequency locking-in module is connected with an input end of the high frequency amplification module; and

wherein an input end of the microcontroller module is connected with an output end of the light control input interface module.

5 . The display system based on controllable broadcast audio according to claim 4 , wherein the wireless headset comprises a headset housing and a wireless reception and playback system disposed in the headset housing;

wherein the wireless reception and playback system comprises a receiving antenna, a high-frequency amplification and frequency conversion unit, a medium-frequency adjustment unit, an audio extension amplification unit, a microcontroller unit, a light display unit, a PLL phase-locked unit, a local oscillator unit, a signal output interface unit, a speaker, and a battery voltage stabilized unit;

wherein an output end of the receiving antenna is connected with an input end of the high-frequency amplification and frequency conversion unit, an output end of the high-frequency amplification and frequency conversion unit is connected with an input end of the medium-frequency adjustment unit, an output end of the medium-frequency adjustment unit is connected with an input end of the audio extension amplification unit, and an output end of the audio extension amplification unit is connected with an input end of the speaker;

wherein the microcontroller unit is connected with the medium-frequency adjustment unit for two-way communication, and an output end of the microcontroller unit is connected with an output end of the light display unit, an input end of the signal output interface unit and an input end of the PLL phase-locked unit respectively;

wherein an output end of the PLL phase-locked unit is connected with an input end of the local oscillator unit, an output end of the local oscillator unit is connected with an input end of the high-frequency amplification and frequency conversion unit; and

wherein the battery voltage stabilized unit is electrically connected with the microcontroller unit.

6 . The display system based on controllable broadcast audio according to claim 5 , wherein the output end of the signal output interface unit is a 3.5 audio interface.

7 . The display system based on controllable broadcast audio according to claim 6 , wherein the display unit further comprises a Bluetooth chip, the Bluetooth chip is communicated with the LED driver chip, the wireless headset is connected with the Bluetooth chip through the data connection cable, and the Bluetooth chip is also connected with a microphone, a switch button, and 24 MHz crystal respectively.