CN210170048U

CN210170048U - Electroencephalogram cap

Info

Publication number: CN210170048U
Application number: CN201920254522.2U
Authority: CN
Inventors: Yun Qian; 钱云
Original assignee: Nanjing Left And Right Brain Medical Technology Co Ltd
Current assignee: Nanjing Zuoenao Medical Technology Group Co ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-03-24
Anticipated expiration: 2029-02-28

Abstract

Electroencephalogram cap includes the cap body, the electrode, a controller, the circuit board has in the controller, digital signal processing module has in the circuit board, the buffer memory module, bluetooth module, the USB interface chip, buffer memory module and USB interface chip electric connection are to the computer, the signal that the electrode was gathered passes through digital signal processing module in proper order, after the buffer memory module, send for the computer through bluetooth module, when no bluetooth is connected, the signal of gathering is saved earlier in the buffer memory module, rethread USB interface chip transmits for the computer. The utility model discloses electroencephalogram cap's electrode easy dismounting connects the facilitate use through the bluetooth between controller and the computer, has the buffer memory module in the controller, makes the person of wearing need not to confine to specific area because of bluetooth communication distance.

Description

Electroencephalogram cap

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electroencephalogram detection device field specifically is an electroencephalogram cap.

[ background of the invention ]

The brain wave is a method for recording brain activity by using electrophysiological indexes, and is formed by summing the postsynaptic potentials generated synchronously by a large number of neurons when the brain is active. It records the change of electric wave during brain activity, and is the overall reflection of the electrophysiological activity of brain nerve cells on the surface of cerebral cortex or scalp. In the current medical industry, the detection equipment for brain waves is still lack, the function is not perfect enough, the detection for the brain waves in the current medical industry is mostly realized by an electroencephalogram cap, the brain waves are detected by a motor on the electroencephalogram cap and are transmitted to computer software for analysis, calculation and display, the electroencephalogram cap is very numerous in electrodes, complex in circuit and inconvenient to use, and the use place is limited by a specific computer which is required to be connected with the electroencephalogram cap.

Therefore, it is an urgent need in the art to provide an electroencephalogram cap with simple structure, complete functions and convenient use.

[ Utility model ] content

To the above problem, the utility model discloses electroencephalogram cap's electrode easy dismounting, convenient to use is connected through the bluetooth between controller and the computer, has buffer memory module in the controller, makes the person of wearing need not to confine to specific area because of bluetooth communication distance.

For solving the problem, the utility model discloses the electroencephalogram cap includes the cap body, installs the electrode on the cap body, the electroencephalogram cap still includes the controller of demountable installation on the cap body, the circuit board has in the controller, the buffer memory module that has digital signal processing module in the circuit board, links to each other with digital signal processing module, the bluetooth module that links to each other with buffer memory module, the USB interface chip that links to each other with bluetooth module, buffer memory module and USB interface chip electric connection to computer, the signal of electrode collection is in proper order after digital signal processing module, buffer memory module, sends for the computer through bluetooth module, when no bluetooth is connected, and the signal of gathering is saved earlier in buffer memory module, and rethread USB interface chip transmits for the computer.

Furthermore, the circuit board is also provided with an analog front end, and the analog front end is arranged in front of the digital signal processing module and used for filtering and amplifying the acquired signals, performing analog-to-digital conversion processing and converting the signals from an analog format to digital signals.

Furthermore, the circuit board is also provided with an isolator which is positioned between the analog front end and the digital signal processing module and is used for reducing system noise, blocking ground loops, isolating different ground electromotive forces and improving the safety and reliability of the system.

Furthermore, a plurality of air holes and two ear holes are formed in the cap body, and the ear holes are located on two sides of the cap body.

Furthermore, a plurality of electrode mounting holes are formed in the cap body, and metal rings are embedded in the electrode mounting holes.

Further, the electrode comprises an electrode tip, an upper baffle plate fixedly connected with the electrode tip and a lower baffle plate detachably connected with the upper baffle plate, the upper baffle plate is horn-shaped, the diameter of the upper baffle plate is gradually reduced from top to bottom, the diameter of the lower baffle plate is also horn-shaped, the diameter of the lower baffle plate is gradually increased from top to bottom, the upper baffle plate and one of the lower baffle plates are provided with external threads, the other one of the upper baffle plate and the lower baffle plate is provided with internal threads, and the detachable purpose is achieved through threaded connection.

Furthermore, each electrode is connected with a lead, the leads are gathered together to form a bus plug, and a pluggable dustproof plug is arranged on the bus plug.

Furthermore, the electroencephalogram cap is further provided with a fixing band, and two ends of the fixing band are arranged below two sides of the cap body through magic buckles and used for fixing the cap body on the head of a user.

Furthermore, the utility model discloses electroencephalogram cap's electrode easy dismounting connects the facilitate use through the bluetooth between controller and the computer, has the buffer memory module in the controller, makes the person of wearing need not to confine to specific area because of bluetooth communication distance.

[ description of the drawings ]

Fig. 1 is a schematic structural view of the electroencephalogram cap of the present invention.

Fig. 2 is a side view of the electroencephalogram cap of the present invention.

Fig. 3 is a schematic diagram of the electrode structure of the electroencephalogram cap of the present invention.

Fig. 4 is a schematic diagram of the circuit board structure of the electroencephalogram cap of the present invention.

[ detailed description ] embodiments

The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used for explaining and explaining the present invention, but not for limiting the scope of the present invention.

Referring to fig. 1 and 2, the electroencephalogram cap of the present invention comprises a cap body 1, a controller 2 detachably mounted on the back of the cap body, a plurality of electrodes 3 distributed on the cap body 1, and a fixing band 4 mounted below the cap body, wherein the cap body 1 is provided with a plurality of air holes 101 and a plurality of electrode mounting holes 102, and two ear holes 103 are further provided on both sides of the cap body. The controller 2 is detachably mounted on the cap body 1 through a magic buckle, and comprises a shell 201 and a circuit board 202 inside the shell, and a bus interface 203 is arranged at the top of the shell 201. The electrode 3 is installed on the cap body 1 through an electrode installation hole 102, and a metal ring is embedded in the electrode installation hole 102. Referring to fig. 3, the electrode 3 includes an electrode tip 301 connected to a wire, an upper baffle 302 fixedly connected to the electrode tip, and a lower baffle 303 detachably connected to the upper baffle, the upper baffle 302 is horn-shaped, the diameter of the upper baffle is gradually reduced from top to bottom, the diameter of the lower baffle 303 is also horn-shaped, the diameter of the lower baffle is gradually increased from top to bottom, one of the upper baffle and the lower baffle has an external thread, the other has an internal thread, and the upper baffle and the lower baffle are respectively located at two sides of the mounting hole 102 and are connected by threads, so as to achieve the detachable purpose. The electrode is provided with a through hole 304 which sequentially passes through the centers of the electrode head, the upper baffle and the lower baffle, the wires connected to each electrode head are gathered together to form a bus plug 305, and the bus plug 305 is provided with a removable dustproof plug 306. The two ends of the fixing band 4 are arranged below the two sides of the cap body 1 through magic buckles and used for fixing the cap body on the head of a user.

Referring to fig. 4, the circuit board 202 in the controller 2 includes an analog front end 203 connected to the electrodes, an isolator 204 connected to the analog front end, a digital signal processing module 205 connected to the isolator, a cache module 206 connected to the digital processing module, and a bluetooth module 207 connected to the cache module, the bluetooth module is connected to the computer 5 through bluetooth communication, the circuit board 202 further has a power module 208, a wireless charging management unit 209 connected to the power module, and a USB interface chip 210, and the USB interface chip is further electrically connected to the cache module 206 and the computer 5. The electroencephalogram cap has the working principle that the electrode 3 is installed on the cap body 1, after a user wears the electroencephalogram cap, a register is adopted to inject special conductive gel into the through hole 304, the bus plug 305 is inserted into the bus interface 203, electroencephalogram signals collected by the electrode 3 are transmitted to the analog front end 203 on the circuit board 202, the analog front end carries out filtering amplification processing on the collected signals and analog-digital conversion processing, the signals are converted into digital signals from an analog format, the analog front end 203 transmits the digital signals to the digital signal processing module 205 for identification processing and secondary filtering processing, useful electrocardiosignals are identified and redundant interference signals are filtered out, an isolator positioned between the analog front end and the digital signal processing module is used for reducing system noise, isolating ground loops, isolating different ground electric potentials and improving the safety and the reliability of the system, the processed digital signals are firstly transmitted to the computer 5 through the buffer module and the Bluetooth module 207, when the bluetooth module 207 cannot be connected to the computer 5, the digital signal is stored in the buffer module, and then the digital signal is transmitted to the computer through the USB interface chip. The utility model discloses electroencephalogram cap's electrode easy dismounting connects the facilitate use through the bluetooth between controller and the computer, has the buffer memory module in the controller, makes the person of wearing need not to confine to specific area because of bluetooth communication distance.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An electroencephalogram cap comprises a cap body (1) and an electrode (3) arranged on the cap body, it is characterized in that the electroencephalogram cap also comprises a controller (2) which is detachably arranged on the cap body (1), the controller (2) is internally provided with a circuit board (202), the circuit board (202) is internally provided with a digital signal processing module (205), a cache module (206) connected with the digital signal processing module, a Bluetooth module (207) connected with the cache module, and a USB interface chip (208) connected with the Bluetooth module, the buffer module and the USB interface chip are electrically connected to the computer (5), the signals collected by the electrodes are transmitted to the computer (5) through the Bluetooth module after sequentially passing through the digital signal processing module (205) and the buffer module (206), when no Bluetooth connection exists, the collected signals are stored in the cache module and then transmitted to the computer (5) through the USB interface chip (208).

2. The electroencephalograph cap of claim 1, further having an analog front end (203) on said circuit board (202), said analog front end preceding a digital signal processing module.

3. The electroencephalograph cap of claim 1, further having an isolator (204) on said circuit board (202), said isolator (204) being located between an analog front end and a digital signal processing module.

4. The electroencephalogram cap according to claim 1, wherein the cap body (1) is provided with a plurality of air holes (101) and two ear holes (103), and the ear holes are positioned on two sides of the cap body.

5. The electroencephalogram cap according to claim 1, wherein a plurality of electrode mounting holes (102) are formed in the cap body (1), and metal rings are embedded in the electrode mounting holes.

6. The electroencephalogram cap according to claim 1, wherein the electrode (3) comprises an electrode head (301), an upper baffle (302) fixedly connected with the electrode head, and a lower baffle (303) detachably connected with the upper baffle, wherein the upper baffle is in a horn shape, the diameter of the upper baffle is gradually reduced from top to bottom, the diameter of the lower baffle is also in a horn shape, the diameter of the lower baffle is gradually increased from top to bottom, one of the upper baffle and the lower baffle is provided with an external thread, and the other of the upper baffle and the lower baffle is provided with an internal thread.

7. The electroencephalogram cap of claim 1, wherein a wire is connected to each of said electrodes, the wires being gathered together to form a bus plug (305) having a removable dust plug (306) disposed thereon.

8. The electroencephalogram cap according to claim 1, further having a securing strap (4), wherein both ends of the securing strap (4) are installed below both sides of the cap body (1) by means of magic buckles.