阅读说明：本技术 一种人体脑电信号检测装置 (Human brain electrical signal detection device ) 是由 费树岷 雨果·甘博雅 陆祖宏 钟建洋 于 2020-12-30 设计创作，主要内容包括：本发明公开一种人体脑电信号检测装置,包括装置主体,所述装置主体包括脑电信号波处理模块、控制模块、脑电信号采集模块及供电模块；所述脑电信号波处理模块包括电磁干扰滤波单元、脑电信号转换放大单元、无线传输单元及终端显示储存单元；所述脑电信号采集模块包括脑电电极及脑电信号检测单元,所述脑电电极由被测对象佩戴,通过多个电极将信号传输至放大器,信号由放大器放大后通过无线传输至计算机进行计算处理；有效对脑电信号进行了高精度数据转换,通过电磁干扰滤波过滤干扰信号,提高抗干扰的效果；滤除信号中的噪声,改善原信号数据,对信号进行放大及数模转换,增强信号后续处理,克服了脑电信号的采集误差,提高脑电状态检测的准确率。(The invention discloses a human body electroencephalogram signal detection device which comprises a device main body, wherein the device main body comprises an electroencephalogram signal wave processing module, a control module, an electroencephalogram signal acquisition module and a power supply module; the electroencephalogram signal wave processing module comprises an electromagnetic interference filtering unit, an electroencephalogram signal conversion and amplification unit, a wireless transmission unit and a terminal display and storage unit; the electroencephalogram signal acquisition module comprises an electroencephalogram electrode and an electroencephalogram signal detection unit, the electroencephalogram electrode is worn by a tested object, signals are transmitted to an amplifier through a plurality of electrodes, and the signals are amplified by the amplifier and then transmitted to a computer for calculation processing through wireless transmission; high-precision data conversion is effectively carried out on the electroencephalogram signals, interference signals are filtered through electromagnetic interference filtering, and the anti-interference effect is improved; the noise in the signals is filtered, the original signal data is improved, the signals are amplified and subjected to digital-to-analog conversion, the subsequent processing of the signals is enhanced, the acquisition error of the electroencephalogram signals is overcome, and the accuracy of electroencephalogram state detection is improved.)

1. A human body electroencephalogram signal detection device is characterized by comprising a device main body, wherein the device main body comprises an electroencephalogram signal wave processing module, a control module, an electroencephalogram signal acquisition module and a power supply module;

the electroencephalogram signal wave processing module comprises an electromagnetic interference filtering unit, an electroencephalogram signal conversion and amplification unit, a wireless transmission unit and a terminal display and storage unit;

the electroencephalogram signal acquisition module comprises an electroencephalogram electrode and an electroencephalogram signal detection unit, the electroencephalogram electrode is worn by a tested object, signals are transmitted to an amplifier through a plurality of electrodes, and the signals are amplified by the amplifier and then transmitted to a computer for calculation processing through wireless transmission;

the control module is in control connection with the electroencephalogram signal wave processing module, the electroencephalogram signal acquisition module and the power supply module;

the control module is used for controlling the working state and the working frequency of the electroencephalogram signal wave processing module and the electroencephalogram signal acquisition module;

the control module controls data transmission between the wireless transmission unit and the electroencephalogram detection unit.

2. The human brain electrical signal detection device of claim 1, characterized in that: the control module is in control connection with the electroencephalogram signal wave processing module and used for receiving electroencephalogram signals uploaded by the wireless transmission unit, after the electroencephalogram signals are transmitted to the control module by the wireless transmission unit, the control module end extracts different difference signals by comparing different difference signals between the electroencephalogram signals detected by different electroencephalogram detection unit lead wires, classifies and analyzes the difference signals, associates the difference signals of different channels with lead electrode positions of the channels where the difference signals are located, obtains associations between the difference signals and brain functional areas, and judges the current situation of the electroencephalogram functional areas near the electroencephalogram detection points.

3. The human brain electrical signal detection device of claim 1, characterized in that: the wireless transmission unit comprises a radio frequency transceiver, and the electroencephalogram signals are uploaded to the control module through the radio frequency transceiver.

4. The human brain electrical signal detection device of claim 1, characterized in that: the device body further comprises an electromagnetic interference filtering unit, and the electromagnetic interference filtering unit controls a filtering time constant and filters interference signals in the electric signals so as to obtain accurate electroencephalogram signals.

5. The human brain electrical signal detection device of claim 1, characterized in that: the power supply module is electrically connected with the electroencephalogram signal wave processing module, the control module and the electroencephalogram signal acquisition module.

Technical Field

The invention relates to the field of electroencephalogram detection devices, in particular to a human electroencephalogram signal detection device.

Background

Human tissue cells always produce very weak bioelectrical activity spontaneously and continuously. Brain wave signals are the overall effect of electrical activity of a large number of cranial nerve cells in a highly coherent state on the cerebral cortex. If the brain wave signals are collected by the electrodes arranged on the scalp, amplified by the brain wave detection equipment and recorded on the special paper, the electroencephalogram, namely the pattern and curve with certain waveform, amplitude, frequency and phase position, can be obtained. With the rapid development of science and technology, the medical level has also been developed greatly, more and more diseases are solved by medical professionals, but more and more novel diseases are discovered and confirmed by experts and scholars. Since being discovered and concerned, brain waves are regarded by various medical workers, and the brain wave detection device is an indispensable one of modern medical detection equipment.

The principle of the electroencephalogram signal detection device is that many nerve cells in the human brain are active, and change electrically, so that electrical swing exists. This oscillation appears to scientific instruments as waves, and electrical vibrations in the brain we call brainwaves. It is a biological energy source produced by brain cells, or is the rhythm of brain cell activity. At present, the voltage generated on the scalp is generally collected by the brain waves through the conductive electrodes, and the wave form drawn through signal processing is called brain waves, and the brain waves can reflect the activity condition of each area of the brain in real time, so that the brain waves play a key role in diagnosing the state of illness.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a human electroencephalogram signal detection apparatus.

The invention realizes the aim through the following technical scheme, and the human body electroencephalogram signal detection device comprises a device main body, wherein the device main body comprises an electroencephalogram signal wave processing module, a control module, an electroencephalogram signal acquisition module and a power supply module;

the electroencephalogram signal wave processing module comprises an electromagnetic interference filtering unit, an electroencephalogram signal conversion and amplification unit, a wireless transmission unit and a terminal display and storage unit;

the electroencephalogram signal acquisition module comprises an electroencephalogram electrode and an electroencephalogram signal detection unit, the electroencephalogram electrode is worn by a tested object, signals are transmitted to an amplifier through a plurality of electrodes, and the signals are amplified by the amplifier and then transmitted to a computer for calculation processing through wireless transmission;

the control module is in control connection with the electroencephalogram signal wave processing module, the electroencephalogram signal acquisition module and the power supply module;

the control module is used for controlling the working state and the working frequency of the electroencephalogram signal wave processing module and the electroencephalogram signal acquisition module;

the control module controls data transmission between the wireless transmission unit and the electroencephalogram detection unit.

Preferably, the control module is in control connection with the electroencephalogram signal wave processing module and is used for receiving electroencephalogram signals uploaded by the wireless transmission unit, after the electroencephalogram signals are transmitted to the control module by the wireless transmission unit, the control module end extracts different difference signals by comparing different difference signals between the electroencephalogram signals detected by different electroencephalogram detection unit lead wires, classifies and analyzes the difference signals, associates the difference signals of different channels with the positions of lead electrodes of the channels, obtains the association between the difference signals and the brain functional area, and judges the current electroencephalogram situation of the brain functional area near the electroencephalogram detection point.

Preferably, the wireless transmission unit comprises a radio frequency transceiver, and the electroencephalogram signal is uploaded to the control module through the radio frequency transceiver.

Preferably, the device body further comprises an electromagnetic interference filtering unit, and the electromagnetic interference filtering unit controls a filtering time constant and filters interference signals in the electrical signals so as to obtain accurate electroencephalogram signals.

Preferably, the power supply module is electrically connected with the electroencephalogram signal wave processing module, the control module and the electroencephalogram signal acquisition module.

The invention has the beneficial effects that: 1. the electroencephalogram signals are subjected to data conversion with high precision and high sampling rate, so that other interference signal electric signals mixed in the electroencephalogram signals can be removed by a computer software processing method after being filtered by electromagnetic interference filtering, and the anti-interference effect is improved; 2. filtering noise in the signal, improving original signal data, amplifying the signal, performing digital-to-analog conversion, and enhancing subsequent processing of the signal; 3. the state of the electroencephalogram signal of the user is detected, the acquisition error of the electroencephalogram signal is overcome, the accuracy of electroencephalogram state detection is improved, the electroencephalogram difference of different individuals is overcome, and the method has better generalization capability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In this embodiment, as shown in fig. 1, a human electroencephalogram signal detection device includes a device main body, where the device main body includes an electroencephalogram signal wave processing module, a control module, an electroencephalogram signal acquisition module, and a power supply module; the electroencephalogram signal wave processing module comprises an electromagnetic interference filtering unit, an electroencephalogram signal conversion and amplification unit, a wireless transmission unit and a terminal display and storage unit; the electroencephalogram signal acquisition module comprises an electroencephalogram electrode and an electroencephalogram signal detection unit, the electroencephalogram electrode is worn by a tested object, signals are transmitted to an amplifier through a plurality of electrodes, and the signals are amplified by the amplifier and then transmitted to a computer for calculation processing through wireless transmission; the control module is in control connection with the electroencephalogram signal wave processing module, the electroencephalogram signal acquisition module and the power supply module; the control module is used for controlling the working state and the working frequency of the electroencephalogram signal wave processing module and the electroencephalogram signal acquisition module; the control module controls data transmission between the wireless transmission unit and the electroencephalogram detection unit.

In this embodiment, the control module is connected to the electroencephalogram signal wave processing module in a control manner and is configured to receive an electroencephalogram signal uploaded by the wireless transmission unit, after the wireless transmission unit transmits the electroencephalogram signal to the control module, the control module end extracts different difference signals by comparing different difference signals between electroencephalogram signals detected by lead wires of different electroencephalogram detection units, performs classification analysis on the difference signals, associates the difference signals of different channels with lead electrode positions of the channels where the difference signals are located, obtains an association between the difference signals and a brain functional area, and determines the current electroencephalogram situation of the brain functional area near an electroencephalogram detection point; the wireless transmission unit comprises a radio frequency transceiver, and the electroencephalogram signal is uploaded to the control module through the radio frequency transceiver; the device body also comprises an electromagnetic interference filtering unit, and the electromagnetic interference filtering unit controls a filtering time constant and filters interference signals in the electric signals to obtain accurate electroencephalogram signals; the power supply module is electrically connected with the electroencephalogram signal wave processing module, the control module and the electroencephalogram signal acquisition module.

The human brain electrical signal detection device carries out high-precision and high-sampling-rate data conversion on brain electrical signals, so that other interference signal electrical signals mixed in the brain electrical signals can be removed by a computer software processing method after being filtered by electromagnetic interference filtering, and the anti-interference effect is improved; filtering noise in the signal, improving original signal data, amplifying the signal, performing digital-to-analog conversion, and enhancing subsequent processing of the signal; the state of the electroencephalogram signal of the user is detected, the acquisition error of the electroencephalogram signal is overcome, the accuracy of electroencephalogram state detection is improved, the electroencephalogram difference of different individuals is overcome, and the method has better generalization capability.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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.