CN216622892U - Glasses type brain-computer interface device - Google Patents

Abstract

The utility model discloses a glasses type brain-computer interface device, which comprises a glasses frame, lenses and glasses legs; two lenses are arranged in the spectacle frame in parallel, one side of each lens is provided with a spectacle leg, the other side of each lens is provided with a nose support position of the spectacle frame, the other side of the nose support position of the spectacle frame is provided with another lens, and the other side of the other lens is provided with another spectacle leg; the spectacle frame is hollow, a lead is arranged in the spectacle frame, two dry electrodes are arranged at the position of the nose support, two hidden electrodes are arranged on the spectacle frame, and a groove for placing the electrodes is formed in the spectacle frame; the glasses legs are hollow, the chip and the battery are placed in the glasses legs, the hidden electrodes are respectively arranged on the two glasses legs, and grooves for placing the electrodes are formed in the glasses legs; the utility model can effectively improve the acquisition rate, comfort and stability of the electroencephalogram signals, and is convenient to move and carry for a long time.

Description

Glasses type brain-computer interface device

Technical Field

The utility model relates to the field of glasses, in particular to a glasses type brain-computer interface device.

Background

With the advancement of science and technology, people have new exploration on the traditional life style, so that brain control can take a step in daily life, and the idea is that the central nervous system continuously interacts with the outside and the body through the normal neuromuscular and hormone output of the central nervous system. Among them, Electroencephalogram (EEG) is a change in the superficial point of the scalp caused by the activity of hundreds of millions of neurons in the brain, and contains abundant brain state information. The Brain-Computer Interface (BCI) is an interactive technology for establishing a communication channel between the Brain (animal or human) and an external device for information transmission and control. BCI measures central nervous system activity and converts it into information output. Such output may replace, restore, augment, supplement, or otherwise improve the output of the normal central nervous system. The output of the BCI comes from the brain electrical signal, which reflects the activity of the brain region of the central nervous system. The BCI establishes a mutual communication system between the human brain and electronic equipment such as computers, and the thinking activity of the human body is known by recording and analyzing brain EEG signals so as to control related equipment. Due to the rapid development of clinical medicine, psychology, computer science, communication and other fields, the research and exploration of the BCI system also become more and more hot in the aspect of brain function. Such as rehabilitation training of patients, intelligent assistants of disabled people, idea control, disease diagnosis and the like, and has very important social significance and practical value.

However, the current brain-computer interface device mainly has the problems of complicated structure, large volume, complicated detection preparation stage, high manufacturing cost, low portability, poor comfort, high wearing difficulty during testing, poor practicability, poor universality and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the glasses type brain-computer interface device which is miniaturized in size, simple in structure, low in cost, convenient to move and carry for a long time, and capable of improving the simplicity and stability of electroencephalogram signal collection through structure improvement, and the portability, the comfort level and the simplicity in use are improved.

The technical scheme adopted by the utility model is as follows: a glasses type brain-computer interface device comprises a glasses frame, lenses and glasses legs; two lenses are arranged in the spectacle frame in parallel, one side of each lens is provided with a spectacle leg, the other side of each lens is provided with a nose support position of the spectacle frame, the other side of the nose support position of the spectacle frame is provided with another lens, and the other side of the other lens is provided with another spectacle leg; the spectacle frame is hollow, a lead is arranged in the spectacle frame, two dry electrodes are arranged at the position of the nose support, a hidden electrode is arranged on the spectacle frame, and a groove for placing the electrodes is formed in the spectacle frame; the mirror legs are hollow, the chip and the battery are placed inside the mirror legs, the hidden electrodes are respectively arranged on the two mirror legs, and grooves used for placing the electrodes are formed in the mirror legs.

Preferably, the probe of the electrode is made of a memory metal capable of conducting signals for collecting the electrode tip of the computer, the groove is used for placing the electrode into the frame when not needed, the memory metal has pseudo-elasticity for releasing the electrode when needed and is bent to make only the electrode directly contact with the scalp.

Preferably, the inside of mirror leg is the fretwork device, and the control circuit is built-in to the mirror leg, and control circuit passes through the wire and is connected to the picture frame and two mirror leg respectively and collects the electrode department for realize the intercommunication and the brain electricity collection of whole glasses.

Preferably, the two temples are symmetrical structures, and the structure is provided with three memory metal conducting strips and a reference electrode, wherein the three memory metal conducting strips are arranged at the tail ends of the temples and used for releasing the three memory metal conducting strips when in use, so that the electrodes are in contact with the scalp to acquire signals, the three memory metal conducting strips are arranged at grooves in the temples when in use, and the reference electrode is embedded in the temples and is in contact with the real-time scalp when being worn daily.

Preferably, the control circuit comprises an electrode, a high-pass filtering module, an electroencephalogram acquisition module, a microprocessor module, a Bluetooth module, a serial port module and a signal storage module; the electrode is connected with the high-pass filter, the high-pass filter is connected with the electroencephalogram acquisition module, the electroencephalogram acquisition module is connected with the microprocessor module, the microprocessor module is respectively connected with the serial port module and the signal storage module, and the signal storage module is connected with the Bluetooth module.

Preferably, the electroencephalogram acquisition module is used for transmitting the electroencephalogram signals acquired by the electroencephalogram to the microprocessor module through an SPI communication protocol; the serial port module is used for realizing wired data exchange between the computer interface end and the PC end, related data can be directly set and obtained by controlling the PC end or the inside, and meanwhile, a control instruction is sent to corresponding equipment through the microprocessor component inside the lens to realize corresponding control conditions; the Bluetooth module is used for realizing wireless data exchange between the brain-computer interface end and the PC software end, and consists of a dual-mode Bluetooth chip and an RF antenna, and sends acquired electroencephalogram signal data to a data display receiving end in a synchronous duplex mode or sends an acquired electroencephalogram signal to corresponding equipment through a microprocessor component and a processed instruction to realize corresponding control conditions.

The glasses type brain-computer interface device has the following beneficial effects:

the utility model provides a glasses type brain-computer interface device, which comprises a glasses frame, lenses and glasses legs; two lenses are arranged in the glasses frame in parallel, the glasses frame is in a hollow form, and circuits and components such as wires, electrodes, batteries and the like are arranged in the glasses frame. The equipment is designed into a shape of glasses which are worn daily, so that the equipment has the advantages of small volume, simple structure, more convenient wearing, cost reduction, portability improvement, convenient movement and long-time carrying; in addition, the glasses type brain-computer interface device can be used for performing electroencephalogram tests, can also be used as sunglasses, myopia glasses and presbyopic glasses, and improves the universality of equipment and the use comfort of users; the electroencephalogram signal acquisition stability can be improved through the improvement of the structure.

Drawings

FIG. 1 is a block diagram of the present invention.

FIG. 2 is a control circuit diagram of the present invention.

Reference numerals: 1-spectacle frame, 2-spectacle lens, 3-spectacle leg.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.

The utility model provides a glasses type brain-computer interface device which structurally comprises a glasses frame, lenses, glasses legs and collecting electrodes as shown in figure 1, and internally comprises an electroencephalogram signal collecting module, a microprocessor module, a power supply module, a Bluetooth module and a serial port module as shown in figure 2.

As shown in fig. 2, the electroencephalogram signal acquisition module: and the electroencephalogram signals collected by the electroencephalogram are transmitted to the microprocessor module through the SPI communication protocol. The module has the characteristic of multi-channel rapid acquisition, can also carry out early data signal preprocessing, and is convenient for the data processing of a subsequent microprocessor module.

A microprocessor component: the module can further analyze and process the electroencephalogram signals and support various purposes.

The power supply assembly: power is supplied to each component, and the battery voltage is converted into +5v and +3.3v respectively.

The Bluetooth component: the module consists of a dual-mode Bluetooth chip and an RF antenna, transmits acquired electroencephalogram signal data to a data display receiving terminal in a synchronous duplex mode or transmits an acquired electroencephalogram signal to corresponding equipment through a microprocessor component and a processed instruction to realize corresponding control conditions.

A serial port module: the wired data exchange between the brain-computer interface end and the PC end is realized, related data can be directly set and acquired by controlling the PC end or the inside, and meanwhile, the control instruction is sent to corresponding equipment through the microprocessor component inside the glasses, so that the corresponding control condition is realized.

In the overall structure, the glasses frame and the glasses legs are both hollow structures, so that signals between the left leg and the right leg can be transmitted, the wiring is also carried out in the glasses frame, and the corresponding modules and a power supply for supplying power to the modules are placed in the hollow positions of the glasses legs. The electrode is consistent with normal glasses in the daily use process, and the electrode can be released to contact the scalp only when the electroencephalogram signal is required to be collected.

In order to allow the electrodes to be placed on various brain areas of the scalp. Therefore, the electrode piece of the mirror frame is provided in a rotatably adjustable form. The two electrodes of the nose support at the spectacle frame are fixed positions, the two electrodes in the upper area of the spectacle frame can rotate, specifically, in order to measure an electroencephalogram signal of a frontal lobe area of a brain, the electrodes are connected with a rotating shaft of the spectacle frame through a high-conductivity memory metal guide sheet, and meanwhile, the rotating shaft also has high conductivity. And finally, the inside of the frame is connected with an electroencephalogram signal acquisition module through a wire, so that an electroencephalogram signal is acquired.

Similarly, the electrode plates on the glasses legs are also set in a rotatable adjusting mode, three electrode plates are fixed on respective rotating shafts, and the three electrode plates are different in length and correspond to different brain functional areas. Because each module is all inside the mirror leg, consequently only need pass through the wire with the electrode and be connected with the module, can acquire the electroencephalogram signal who uses.

When glasses formula brain computer interface device has not been used electricity, can have two kinds of modes to charge it, one kind is that the formula is inhaled to magnetism and is charged, only needs to put into the spectacle case with it, and the box just can adsorb above with glasses automatically to directly charge for glasses, another kind of mode is through Type-C interface charges.

When the electrodes are needed to detect electroencephalograms, the glasses type brain-computer interface equipment is worn, the positions, required by the electrodes, of the areas needing signals are used for detecting the electroencephalograms of the areas, and meanwhile the reference signals are in direct contact with the scalp at the positions of the glasses legs.

The Bluetooth wireless function or the serial port communication function is started, the data transmission function is mainly achieved, when the Bluetooth function is selected, the serial port function is shielded by the system, the Bluetooth module and the PC end need to be connected in a Bluetooth pairing mode, and Bluetooth wireless communication transmission is achieved. When the serial port function is selected, the system also shields the Bluetooth function, and the wired real-time data transmission function is realized.

The Bluetooth receiver receives the electroencephalogram signals sent by the electroencephalogram acquisition component and stores the electroencephalogram signals.

Meanwhile, if the device is directly connected with the intelligent device, data analysis is not carried out by using a PC (personal computer) end, but data are directly processed by a microprocessor of the glasses type brain-computer interface, and the obtained result is converted and sent out by a control command, wherein the control command can be sent out in a Bluetooth or serial port mode, so that the target device can be controlled.

Claims (6)

1. A glasses type brain-computer interface device is characterized by comprising a glasses frame (1), lenses (2) and glasses legs (3); the two lenses (2) are arranged in the lens frame (1) in parallel, one side of each lens (2) is provided with a glasses leg (3), the other side of each lens (2) is provided with a nose support position of the lens frame (1), the other side of the nose support position of the lens frame (1) is provided with the other lens (2), and the other side of the other lens (2) is provided with the other glasses leg (3); the glasses frame (1) is hollow, a lead is arranged in the glasses frame (1), two dry electrodes are arranged at the position of a nose support, a hidden electrode is arranged on the glasses frame (1), and a groove for placing the electrodes is formed in the glasses frame (1); the glasses legs (3) are hollow, the chip and the battery are placed inside the glasses legs, the hidden electrodes are respectively arranged on the two glasses legs (3), and grooves for placing the electrodes are formed in the glasses legs (3).

2. The spectacle brain-computer interface device of claim 1, wherein the probe of the electrode is made of a memory metal capable of conducting signals for collecting the electrode tip of the computer, the groove is used for being placed in the frame when not needed, the memory metal has pseudo-elasticity for releasing the electrode when needed and is bent to make only the electrode directly contact with the scalp.

3. The glasses type brain-computer interface device according to claim 1, wherein the inside of the glasses legs (3) is a hollow device, the glasses legs (3) are provided with a control circuit inside, and the control circuit is connected to the glasses frame and the respective collecting electrodes of the two glasses legs through wires for realizing the communication of the whole glasses and the brain electricity collection.

4. The eyeglass-type brain-computer interface device as claimed in claim 3, wherein the two temples (3) are of a symmetrical structure, and three memory metal leads and a reference electrode are arranged on the symmetrical structure, the three memory metal leads are located at the rear ends of the temples and used for releasing the three memory metal leads when the temples are needed to be used, so that the electrodes are contacted with the scalp to collect signals, the three memory metal leads are placed in grooves inside the temples when the temples are not needed to be used, and the reference electrode is embedded in the temples and used for being worn daily and then contacted with the real-time scalp.

5. The spectacle brain-computer interface device of claim 3, wherein the control circuit comprises an electrode, a high-pass filter, a brain electrical acquisition module, a microprocessor module, a Bluetooth module, a serial port module, and a signal storage module; the electrode is connected with a high-pass filter, the high-pass filter is connected with an electroencephalogram acquisition module, the electroencephalogram acquisition module is connected with a microprocessor module, the microprocessor module is respectively connected with a serial port module and a signal storage module, and the signal storage module is connected with a Bluetooth module.

6. The spectacle brain-computer interface device of claim 5, wherein the brain electrical acquisition module is configured to transmit the acquired brain electrical signals to the microprocessor module via the SPI communication protocol; the serial port module is used for realizing wired data exchange between the computer interface end and the PC end, related data can be directly set and obtained by controlling the PC end or the inside, and meanwhile, a control instruction is sent to corresponding equipment through the microprocessor component inside the lens to realize corresponding control conditions; the Bluetooth module is used for realizing wireless data exchange between the brain-computer interface end and the PC software end, and consists of a dual-mode Bluetooth chip and an RF antenna, and sends acquired electroencephalogram signal data to a data display receiving end in a synchronous duplex mode or sends an acquired electroencephalogram signal to corresponding equipment through a microprocessor component and a processed instruction, so that corresponding control conditions are realized.

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