A brain wave fatigue and sleepiness warning and brain awakening device based on displacement electrodes and its control method

Abstract

The present invention provides a brain wave fatigue and drowsiness warning and brain awakening device based on displacement electrodes and a control method thereof. The device comprises a displacement main electrode, a vibrating ear clip electrode, a TGAM brain wave module box, a main control board, and a neck-hanging speaker. The TGAM brain wave module communicates with the main control board via Bluetooth. The main control board is respectively connected to a language recognition module, the vibrating ear clip electrode, and the neck-hanging speaker. The main control board receives data sent by the TGAM brain wave module, and after algorithm analysis and judgment, when dynamic brain wave signal data is in a fatigue, sleepiness, or drowsiness threshold state, voice prompts, earlobe vibration massage, and a speaker is started to play strong brain awakening music to refresh the mind. Relaxing music can be played by voice command to relieve stress, assist in regulating the mental state, and improve work and study efficiency.

Description

Technical Field

[0001] The present invention belongs to the technical field of brain wave and speech recognition, and in particular relates to a brain wave fatigue and sleepiness warning and brain awakening device based on displacement electrodes and a control method thereof. Background Art

[0002] With the development of artificial intelligence technology, brain wave data in human daily life has been scientifically applied. When humans are in physiological activities, the brain produces α, β, θ, and δ waves, and when people yawn due to fatigue, the output of brain wave signals will be affected. Through the collection and processing of brain wave signals, brain wave data is formed, and control instructions are further formed through brain-computer interaction. Speech recognition is an important node of artificial intelligence technology. When it is used as a recognition signal combined with brain-computer interaction control, it can break through the limitation that speech interaction relies solely on voice commands. Through the cooperation of brain wave technology, dynamic brain wave signals are used to trigger the purpose of speech recognition control. It can be used in anti-fatigue driving for long-distance drivers, sleepiness warning for night-shift machine operators, and anti-drowsiness warning and brain awakening for college (middle) students who study for a long time at night, as an auxiliary measure to improve safety and learning efficiency.

[0003] Currently, there is no fatigue and sleepiness warning and brain-awakening device or technology that can combine the characteristics of short-term interruption of signal output due to yawning with speech recognition and neck-hanging speakers. Summary of the invention

[0004] In order to solve the defect of the prior art that the feature of short-term interruption of signal output caused by yawning action is not adopted to interact with voice recognition and neck-hanging speakers, and the speakers are controlled to play specific music and the massage operation of the micro-vibration motor, so as to provide fatigue and drowsiness warning and massage the earlobes to refresh the brain, the present invention provides a brain wave fatigue and drowsiness warning and brain-awakening device based on displacement electrodes and a control method thereof.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] The invention provides a brain wave fatigue and sleepiness warning and brain awakening device based on displacement electrodes, which is characterized by comprising a displacement main electrode, a vibrating ear clip electrode, a mandibular strap, a slip ring buckle, a TGAM brain wave module box, a main control board, and a neck-hanging speaker. The displacement main electrode comprises an electrode, a shielded signal line, an electrode moving seat, an electrode moving seat flash, a rubber elastic strip, a left front buckle, a right front buckle, a left rear buckle, a right rear buckle, a left traction line, and a right traction line. One end of the shielded signal line is welded to the back of the electrode, and the other end is connected to the corresponding interface of the TGAM brain wave module. The electrode moving seat is an inner hollow box body with a convex front portion, a circular hole is opened in the middle of the rear portion, the inner diameter of the circular hole is slightly larger than the diameter of the electrode, and the electrode can be axially telescopically moved in the circular hole. A threading hole is opened in the center of the rubber elastic strip, and the shielded signal line passes through the small hole. The back of the electrode is fixed to the center position of the rubber elastic strip, and the two ends of the rubber elastic strip are fixed to the two ends of the electrode moving seat. The electrode moving seat is embedded in the front opening of the elastic band and fixed by the electrode moving seat flash rivet.

[0007] Preferably, the left front buckle and the right front buckle are placed side by side on the front inner top end of the displacement main electrode, the left rear buckle and the right rear buckle are respectively arranged on the left and right sides of the empty box body in the electrode moving seat, the front ends of the left traction wire and the right traction wire are respectively fixed on the left nail buckle and the right nail buckle, the other end of the left traction wire passes through the left front buckle and the left rear buckle successively, and passes through the left side of the empty box body in the electrode moving seat, passes through the slip ring buckle and is fixed downward to the left side of the mandibular strap, the other end of the right traction wire passes through the right front buckle and the right rear buckle successively, and passes through the right side of the empty box body in the electrode moving seat, passes through the slip ring buckle and is fixed downward to the right side of the mandibular strap, and the slip ring buckles are an identical left and right pair.

[0008] Preferably, the vibrating ear clip electrodes are an identical left and right pair, including an upper splint, a lower splint, a spring, a reference electrode, a micro-vibration motor, a motor cable, a motor cable cover, and a reference electrode shielding wire. The micro-vibration motor is placed on the inner side of the front end of the upper splint, one end of the motor cable is connected to the micro-vibration motor, and the other end of the motor cable passes through the motor cable cover and is connected to the power interface of the main control board and the corresponding IO output port. The spring is placed on the inner surface of the rear of the upper splint and the lower splint, one end of the reference electrode shielding wire is connected to the reference electrode, and the other end is connected to the corresponding interface of the TGAM brain wave module.

[0009] Preferably, the TGAM brainwave module box includes a TGAM brainwave module, a slave Bluetooth module and a 3V battery. The TGAM brainwave module box is placed at the rear of the elastic headband, the positive and negative poles of the 3V battery are respectively connected to the VCC and GND interfaces of the TGAM brainwave module, the VCC and GND of the slave Bluetooth module are respectively connected to the VCC and GND output interfaces of the TGAM brainwave module, the TX port of the TGAM brainwave module is connected to the RX port of the slave Bluetooth module, and the slave Bluetooth module communicates with the main Bluetooth wireless transparent transmission of the main control board.

[0010] Preferably, the main control board includes a single-chip microcomputer, a voice recognition module and a main Bluetooth, the 5V power supply of the main control board is connected to the power supply of the neck-hanging speaker, the power supply of the voice recognition module is connected to the power output port of the main control board, the IO input port of the voice recognition module is connected to the IO output port of the single-chip microcomputer, the VCC and GND of the main Bluetooth are respectively connected to the VCC and GND of the single-chip microcomputer, the RX and TX of the main Bluetooth are respectively connected to the TX and RX of the single-chip microcomputer, and the main control board is placed in the rear inner cavity of the neck-hanging speaker.

[0011] Preferably, the neck-hanging speaker comprises a speaker control panel and a main control panel, the speaker control panel is placed at the left front portion of the speaker, and the button port of the speaker control panel is connected to the analog signal port of the main control panel.

[0012] The present invention also provides a control method for an EEG fatigue and sleepiness warning and brain awakening device based on displacement electrodes, which is characterized by comprising the following steps:

[0013] Preferably, S1, TGAM brain wave module collects the user's brain wave signal in real time by displacing the main electrode and vibrating the ear clip electrode, and transmits the TGAM brain wave module to the brain wave signal amplification processor;

[0014] Preferably, S2, the brain wave signal amplification processor amplifies and filters the brain wave electrical signal to generate brain wave data, and sends it to the main Bluetooth of the main control board through the slave Bluetooth, and the main Bluetooth then sends it to the single

[0015] Preferably, S3, the single chip microcomputer in the main control board receives the brain wave dynamic data and the signal data interruption information caused by the yawning action, and the program algorithm classifies the brain wave dynamic data according to the range of 0-100, and the reference value 50-69 segment represents the normal state, the reference value 70-79 segment represents the relaxation state, at this time the thinking activity becomes simple and enters the sleepy state, the reference value 80-89 segment represents the possibility of drowsiness, the reference value 90-100 segment represents deep relaxation, entering sleep and deep sleep, the reference value of 0 represents yawning, and entering the quasi-drowsy state, each reference value segment uses the low bit as the trigger threshold, and when the trigger threshold is reached, the programming code is generated and the control instruction is issued, so as to control the voice broadcast and voice interaction of the voice recognition module, further control the playback of the audio, and control the operation and massage of the micro vibration motor.

[0016] Preferably, the brain wave signal is cortical bioelectricity, electromyography during blinking, and the brain wave data is one or more of relaxation degree, concentration degree, short-term zeroing of brain wave signal output caused by yawning action, blinking and eye closing state data.

[0017] Preferably, the voice broadcast is that the non-specific person voice recognition integrated unit receives the instructions sent by the single-chip microcomputer to play the designed corresponding voice sentences or sound effects, and the voice interaction is that the microphone of the voice recognition module receives the voice password and voice command spoken by the user, and the voice recognition module sends a level signal with a delay of 0.5-1 second to the audio control panel after recognition. The 0.5-1 second level signal simulates the short press signal of the function button and acts as a control button.

[0018] Beneficial effects: The present invention collects the user's brain wave signals and the characteristics of short-term interruption of brain wave signal output caused by yawning, and converts them into control instructions after processing by the host. Combined with voice recognition, it interacts with the audio system. Through brain-computer interaction, the user's dynamic brain wave data can be converted into control instructions. When the dynamic brain wave data triggers the fatigue threshold, prompt voice sentences are automatically played. When the dynamic brain wave data triggers the sleepiness threshold, strong brain-awakening music and micro-vibration motor vibration massage are automatically turned on to refresh and wake up the brain. When you feel sleepy and may be sleepy, you can say voice commands and commands in advance to let the audio system actively turn on strong brain-awakening music stimulation to make your mind clear. When you stop working or studying, you can verbally command the audio system to play relaxing music to assist in relieving stress and help improve the quality of rest. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] FIG. 1 is an overall structural diagram of an embodiment of the present invention.

[0020] FIG. 2 is a perspective view of a displacement main electrode structure according to an embodiment of the present invention.

[0021] FIG. 3 is a perspective view of a displacement main electrode after axial movement of an electrode according to an embodiment of the present invention.

[0022] FIG. 4 is a structural diagram of a reference electrode of a vibrating ear clip according to an embodiment of the present invention.

[0023] FIG. 5 is a structural block diagram of an embodiment of the present invention.

[0024] FIG. 6 is a diagram showing the working principle of an embodiment of the present invention.

[0025] FIG. 7 is a wiring diagram of a TGAM brain wave module according to an embodiment of the present invention. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] To achieve the purpose of the present invention, as shown in Figures 1 to 7, in one embodiment of the present invention, a brain wave fatigue and sleepiness warning and brain awakening device based on a displacement electrode is provided, characterized in that it includes a displacement main electrode 11, a vibrating ear clip electrode 4, a mandibular strap 9, a mandibular strap support 8, a slip ring buckle 15, a TGAM brain wave module box 1, a main control board 16, a neck-hanging speaker 7, and the displacement main electrode 11 includes an electrode 115, a shielded signal line 12, an electrode moving seat 112, an electrode moving seat flash 113, a rubber elastic strip 111, and a left front Buckle 119, right front buckle 120, left rear buckle 116, right rear buckle 114, left traction line 13, right traction line 10, one end of shielded signal line 12 is welded behind electrode 115, and the other end is connected to the corresponding interface of TGAM brain wave module. Electrode moving seat 112 is a hollow box body with a raised front part, and a circular hole is opened in the middle of the rear. The inner diameter of the circular hole is slightly larger than the diameter of electrode 115. Electrode 115 can be axially telescopic and movable in the circular hole. A threading hole is opened in the center of rubber elastic strip 111, and shielded signal line 12 is inserted through the small hole. The back of the electrode 115 is fixed to the center of the rubber elastic strip 111, and the two ends of the rubber elastic strip 111 are fixed to the two ends of the electrode moving seat 112. The electrode moving seat 112 is embedded in the front opening of the elastic band 14 and fixed by the rivet of the electrode moving seat flash 113. The left front buckle 119 and the right front buckle 120 are placed side by side at the front inner top of the displacement main electrode 11, and the left rear buckle 116 and the right rear buckle 114 are respectively arranged on the left and right sides of the empty box body in the electrode moving seat 112. The front of the left traction line 13 and the right traction line 10 One end is fixed on the left nail buckle 117 and the right nail buckle 118 respectively, the other end of the left traction line 13 passes through the left front buckle 119 and the left rear buckle 116 successively, and passes through the left side of the empty box body in the electrode moving seat 112, passes through the slip ring buckle 15 and then is fixed downward on the left side of the chin strap 9, the other end of the right traction line 10 passes through the right front buckle 120 and the right rear buckle 114 successively, and passes through the right side of the empty box body in the electrode moving seat 112, passes through the slip ring buckle 15 and then is fixed downward on the right side of the chin strap 9, and the slip ring buckle 15 is an identical left and right pair. The vibrating ear clip electrodes 4 are an identical left and right pair, including an upper clamp plate 44, a lower clamp plate 42, a spring 41, a reference electrode 43, a micro vibration motor 45, a motor cable 3, a motor cable sleeve 5, and a reference electrode shielding wire 2. The micro vibration motor 45 is placed on the inner side of the front end of the upper clamp plate 44, one end of the motor cable 3 is connected to the micro vibration motor 45, and the other end of the motor cable 3 passes through the motor cable sleeve 5 to be connected to the power interface of the main control board 16 and the corresponding IO output port. The spring 41 is placed on the inner surface of the rear of the upper clamp plate 44 and the lower clamp plate 42, one end of the reference electrode shielding wire 2 is connected to the reference electrode 43, and the other end is connected to the corresponding interface of the TGAM brain wave module.The TGAM brainwave module box 1 includes a TGAM brainwave module, a slave Bluetooth module and a 3V battery. The TGAM brainwave module box 1 is placed at the rear of the elastic headband 14. The positive and negative poles of the 3V battery are respectively connected to the VCC and GND interfaces of the TGAM brainwave module. The VCC and GND of the slave Bluetooth module are respectively connected to the VCC and GND output interfaces of the TGAM brainwave module. The TX port of the TGAM brainwave module is connected to the RX port of the slave Bluetooth module. The slave Bluetooth module communicates with the main Bluetooth of the main control board via wireless transparent transmission. The main control board 16 includes a single-chip microcomputer, a voice recognition module and a main Bluetooth. The 5V power supply of the main control board 16 is connected to the power supply of the neck-hanging audio 7, the power supply of the voice recognition module is connected to the power output port of the main control board 16, the IO input port of the voice recognition module is connected to the IO output port of the single-chip microcomputer, the VCC and GND of the main Bluetooth are respectively connected to the VCC and GND of the single-chip microcomputer, the RX and TX of the main Bluetooth are respectively connected to the TX and RX of the single-chip microcomputer, and the main control board 16 is placed in the rear inner cavity of the neck-hanging audio 7. The neck-hanging audio 7 includes an audio control board 6 and a main control board 16. The audio control board 6 is placed on the left front of the audio, and the key port of the audio control board 6 is connected to the analog signal port of the main control board 16.

[0028] In this embodiment, when the user needs to use it, the user wears an elastic brain headband provided with a TGAM brain wave module. The displacement main electrode located on the forehead and the vibration ear clip electrode clamped on the earlobes collect the user's real-time EEG and transmit it to the TGAM brain wave module signal amplification processor. The data generated after processing is transmitted to the main Bluetooth wirelessly through the slave Bluetooth. The main Bluetooth is connected to the single-chip microcomputer. The signal input end of the single-chip microcomputer is connected to the signal output end of the main Bluetooth. The signal output end of the single-chip microcomputer is connected to the signal input end of the non-specific person voice recognition integrated unit. The non-specific person voice recognition integrated unit is respectively connected to the microphone for picking up sound and the loudspeaker for broadcasting. The single-chip microcomputer receives the brain wave data, and after the program algorithm judges and analyzes, when it is judged that the dynamic brain wave data is in a fatigue state, the program code generates a control instruction, and the single-chip microcomputer sends a level signal from the corresponding signal output end to the voice recognition module according to the control instruction, and the voice recognition module broadcasts a voice sentence reminder; when it is judged that the dynamic brain wave data is in a sleepy state, the program code generates a control instruction. The single chip microcomputer sends a level signal to the voice recognition module from the corresponding signal output terminal according to the control instruction. The voice recognition module broadcasts a voice sentence reminder and turns on the micro vibration motor for vibration massage to assist in refreshing the mind. When the user yawns, due to the large mouth opening, the mandible sinks, driving the mandibular strap to sink, causing the left and right traction lines connected thereto to be pulled backward, driving the main electrode axis to move backward and leave the forehead scalp, resulting in poor contact, causing a short-term interruption in the output of the brain wave signal, and the relaxation and attention values ​​in the brain wave data return to zero for a short time. The single chip microcomputer determines that the user is in a sleepy state, and the program code generates a control instruction. The single chip microcomputer sends a level signal to the voice recognition module from the corresponding signal output terminal according to the control instruction. The voice recognition module broadcasts a voice sentence reminder and immediately starts the neck-mounted speaker to play strong music to stimulate the mind. The speaker can be commanded to play relaxing music through oral language to relieve fatigue and stress, adjust the mental state, and improve work or study efficiency.

[0029] The above embodiments are examples of the present invention, but the implementation methods of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that deviate from the principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A brain wave fatigue and sleepiness warning and brain awakening device based on displacement electrodes and a control method thereof, characterized in that: The following steps are involved: S1, TGAM EEG module collects the user's EEG signals in real time by displacing the main electrode and vibrating the ear clip electrode, and transmits them to the EEG signal amplification processor; S2, the brain wave signal amplification processor amplifies and filters the brain wave electrical signal to generate brain wave data, and sends it to the main Bluetooth of the main control board through the slave Bluetooth, and the main Bluetooth then sends it to the single chip microcomputer; S3. The single chip microcomputer in the main control board receives the brain wave dynamic data and the signal data interruption information caused by the yawning action. The program algorithm classifies the brain wave dynamic data according to the range of 0-100. The reference value 50-69 represents the normal state, the reference value 70-79 represents the relaxation state, at this time the thinking activity becomes simple and enters the sleepy state, the reference value 80-89 represents the possibility of drowsiness, the reference value 90-100 represents deep relaxation, entering sleep and reaching the level of deep sleep, and the reference value of 0 represents yawning and entering the quasi-drowsy state. Each reference value segment uses the low digit as the trigger threshold. When the trigger threshold is reached, the programming code is generated and the control command is issued, so as to control the voice broadcast and voice interaction of the voice recognition module, further control the playback of the audio, and control the operation and massage of the micro vibration motor.

2. The brain wave fatigue and sleepiness warning and brain awakening device based on displacement electrodes and its control method according to claim 1 is characterized in that: The brain wave signals are the bioelectricity of the cerebral cortex and the electromyography during blinking, and the brain wave data are one or more of the relaxation degree, concentration degree, short-term zeroing of the brain wave signal output caused by yawning, blinking and closing eyes state data.

3. The brain wave fatigue and sleepiness warning and brain awakening device based on displacement electrodes and its control method according to claim 1 is characterized in that: The voice broadcast is that the non-specific person voice recognition integrated unit receives the instructions sent by the single-chip microcomputer to play the designed corresponding voice sentences or sound effects. The voice interaction is that the microphone of the voice recognition module receives the voice password and voice command spoken by the user. After recognition, the voice recognition module sends a level signal with a delay of 0.5-1 second to the audio control panel. The 0.5-1 second level signal simulates the short press signal of the function button and acts as a control button.

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