CN206714753U - Physiological signal record system and its recorder - Google Patents

Abstract

The utility model provides a kind of physiological signal record system and its recorder, is related to the technical field of medical treatment electronic equipment, wherein, a kind of physiological signal recorder, including the body of wearable device and eeg signal acquisition end；The body is at least used to receive, transmit EEG signals；The eeg signal acquisition end gathers the EEG signals, and the EEG signals are sent to the body by wireless telecommunications；The body sends the EEG signals to host computer by wireless telecommunications.Solve the technical problem that existing electroencephalogramsignal signal collection equipment can not gather the EEG signals in user's real life, reached the technique effect that can gather the EEG signals in user's real life.

Description

Physiological signal recording system and its recorder

technical field

The utility model relates to the technical field of medical electronic equipment, in particular to a physiological signal recording system and a recorder thereof.

Background technique

EEG signals contain rich physiological, psychological and pathological information, and the analysis and processing of the signals are very important not only in the clinical diagnosis and treatment of some diseases, but also in the field of cognitive science research. The EEG acquisition equipment in the prior art usually makes the user feel the existence of the equipment, so the EEG signal collected is not the EEG signal in the user's real life, but the EEG signal under the experimental condition, and the EEG signal under the experimental condition The EEG signal cannot fully reflect the actual physiological, psychological and pathological conditions of the user.

Utility model content

In view of this, the purpose of this utility model is to provide a physiological signal recording system and its recorder, which solves the technical problem that the EEG acquisition equipment in the prior art cannot collect the EEG signals in the user's real life.

In the first aspect, the embodiment of the utility model provides a physiological signal recorder, including a body of a wearable device and an EEG signal acquisition terminal;

The EEG signal acquisition terminal collects EEG signals, and sends the EEG signals to the main body through wireless communication;

The main body receives the EEG signal and sends the EEG signal to the host computer through wireless communication.

In combination with the first aspect, the embodiment of the present utility model provides a first possible implementation manner of the first aspect, wherein the EEG signal collection end is used to collect EEG signals in the emotional area of the brain.

In combination with the first possible implementation of the first aspect, the embodiment of the present utility model provides a second possible implementation of the first aspect, wherein the EEG signal collection terminal includes at least a first The EEG signal collection terminal and the second EEG signal collection terminal are used for the third collection terminal and the fourth collection terminal installed on the head above the ear, and the fifth EEG signal collection terminal is used for the back of the brain.

In combination with the first aspect, the embodiment of the present utility model provides a third possible implementation manner of the first aspect, wherein the physiological signal recorder further includes an ECG signal acquisition end, and the ECG signal acquisition end collects the ECG signal, and passes Wireless communication sends the ECG signal to the main body;

The main body sends the ECG signal to the host computer through wireless communication.

In combination with the third possible implementation of the first aspect, the embodiment of the present utility model provides a fourth possible implementation of the first aspect, wherein the ECG signal acquisition end is a bipolar limb lead, including a first cardiac The electrical signal acquisition terminal and the second ECG signal acquisition terminal, the first ECG signal acquisition terminal is used to be fixed on an upper limb of the user, and the second ECG signal acquisition terminal is used to be fixed on the user's lower limb or another upper limb.

In combination with the fourth possible implementation of the first aspect, the embodiment of the present utility model provides a fifth possible implementation of the first aspect, wherein the first ECG signal acquisition end is pasted on or fixed to the user through a fixing structure. For the arm or finger of the upper limb, the second ECG signal acquisition end is pasted on or fixed to the user's lower limb or another upper limb through a fixed structure.

In combination with the third possible implementation of the first aspect, the embodiment of the present utility model provides a sixth possible implementation of the first aspect, wherein the physiological signal recorder further includes a myoelectric signal acquisition terminal, and the myoelectric signal acquisition terminal The terminal collects the myoelectric signal, and sends the myoelectric signal to the main body through wireless communication;

The main body sends the myoelectric signal to the host computer through wireless communication.

In combination with the sixth possible implementation manner of the first aspect, the embodiment of the present utility model provides a seventh possible implementation manner of the first aspect, wherein the main body receives EEG signals, ECG signals and EMG signals through Bluetooth, And send EEG signals, ECG signals and EMG signals to the host computer through WiFi or GPRS.

In combination with the first aspect and its implementation manner, the embodiment of the present utility model provides a seventh possible implementation manner of the first aspect, wherein a gravitational induction accelerator is arranged inside the main body.

In the second aspect, the embodiment of the present utility model also provides a physiological signal recording system, including a host computer and the physiological signal recorder as described in the first aspect and its possible implementation manners connected to the host computer.

The system can at least collect, process and record the user's EEG signals, and users tend to ignore the existence of the system. Therefore, the EEG signals in the user's real life can be collected to facilitate the analysis of the user's physiological, psychological and pathological conditions. .

The utility model embodiment has brought following beneficial effect:

The physiological signal recorder provided by the utility model collects the EEG signal through the EEG signal acquisition terminal, and sends the EEG signal to the body of the wearable device, and then the body sends the EEG signal to the host computer. The body of the wearable device receives and forwards EEG signals through wireless communication, which not only reduces the volume of the EEG signal acquisition terminal, but also expands the user's range of activities, making it easy for users to ignore the existence of the physiological signal recorder, so it is easy to collect the user's The EEG signals in real life are convenient for analyzing the user's physiological, psychological and pathological conditions, and the structure is simple and easy to use.

Other features and advantages of the present invention will be set forth in the following description, and partly become apparent from the description, or can be learned by implementing the present invention. The purpose and other advantages of the utility model are realized and obtained by the structures particularly pointed out in the specification, claims and accompanying drawings.

In order to make the above-mentioned purpose, features and advantages of the present invention more comprehensible, preferred embodiments are specifically cited below, together with the accompanying drawings, and are described in detail as follows.

Description of drawings

In order to more clearly illustrate the specific implementation of the utility model or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific implementation or the prior art will be briefly introduced below. Obviously, the following descriptions The accompanying drawings are some implementations of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative work.

Fig. 1 is a schematic structural diagram of a physiological signal recorder provided by Embodiment 1 of the present invention;

Fig. 2 is a schematic structural diagram of the body of a wearable device in a physiological signal recorder provided by Embodiment 1 of the present utility model;

Fig. 3 is a schematic diagram of a physiological signal recording system provided by Embodiment 2 of the present invention;

Fig. 4 is a schematic diagram of a first embodiment of a physiological signal recording method provided in Example 3 of the present invention;

Fig. 5 is a schematic diagram of a second embodiment of a physiological signal recording method provided in Example 4 of the present invention;

FIG. 6 is a schematic diagram of a third embodiment of a physiological signal recording method provided in Embodiment 5 of the present invention.

Icons: 11-EEG signal collection terminal; 12-ECG signal collection terminal; 13-EMG signal collection terminal; 2-body; 200-MCU; 201-EEG module; 202-ECG module; 203-EMG Module; 204-power supply module; 205-external reset module; 206-button module; 207-display module; 208-storage module; 209-motor; 210-external crystal oscillator; 211-wireless communication module; Gravity sensor; 3-host computer.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model. rather than all examples. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The current EEG collection equipment cannot collect the EEG signals in the real life of the user. Based on this, a physiological signal recording system and recorder thereof provided by the embodiment of the utility model can collect the EEG signals in the real life of the user.

In order to facilitate the understanding of this embodiment, a physiological signal recorder disclosed in the embodiment of the present utility model is first introduced in detail.

Example 1:

As shown in Figure 1 and Figure 2, the utility model embodiment provides a kind of physiological signal recorder, comprises the main body 2 of wearable equipment and EEG signal acquisition end 11; EEG signal acquisition end 11 collects EEG signal, and The EEG signal is sent to the main body 2 through wireless communication; the main body 2 receives the EEG signal and sends the EEG signal to the host computer 3 through wireless communication.

The main body 2 receives and forwards EEG signals through wireless communication, which not only reduces the volume of the EEG signal collection terminal 11, but also expands the user's range of activities. The EEG signal in the daily activities of the user is convenient for analyzing the physiological, psychological and pathological conditions of the user, and the structure is simple and easy to use.

It should be noted that the wearable device may be a variety of wearable devices that play a decorative role, a detection function, or other functions. The wearable device in this embodiment is described by taking a wristband as an example. The EEG signal acquisition terminal 11 preferably sends the EEG signal to the EEG module 201 of the bracelet body 2 via Bluetooth, and the bracelet body 2 preferably sends the EEG signal to the host computer 3 through WiFi or GPRS in the wireless communication module 211, And the upper computer 3 is a mobile phone or a server, if the wireless communication module 211 detects that the network environment index is lower than the threshold, the EEG signal data is temporarily stored in the storage module 208 of the bracelet until the network environment index is higher than the set threshold , sending the EEG signal data to the host computer 3 through WiFi or GPRS in the wireless communication module 211 .

It should be noted that different types of EEG signals can be collected according to actual needs. In this embodiment, the collection of emotional EEG signals in the emotional area is taken as an example for illustration. Emotional EEG signals can be used to analyze the psychological and physical conditions of various groups of people such as teenagers, depression, and violence, which is beneficial to the research of rehabilitation treatment, psychological counseling, or psychological analysis.

The EEG signal acquisition terminal 11 in this embodiment at least includes a first EEG signal acquisition terminal and a second EEG signal acquisition terminal located on the top of the head, a third acquisition terminal and a fourth acquisition terminal located on the head on the ear , and the fifth EEG signal acquisition terminal located at the back of the brain. And the EEG signal acquisition end in the present embodiment preferably adopts ThinkGear AM chip, and this chip comprises dry electrode sensor, has denoising function, and can detect extremely weak EEG signal; Signal processing circuits such as baseline drift, removal of power frequency interference, low-pass filtering, level shifting, and post-stage amplification. Preferably, the EEG signals are sequentially subjected to pre-amplification, high-pass filtering, removal of baseline drift, removal of power frequency interference, and low-pass Filtering, level shifting, and post-amplification circuits, and then the EEG signal acquisition terminal 11 sends the processed EEG signals to the bracelet body 2 via Bluetooth. The threshold of the low-pass filter is preferably 40 Hz, and the power frequency interference is 50 Hz.

As another implementation of this embodiment, the physiological signal recorder also includes an electrocardiographic signal acquisition terminal 12, which collects electrocardiographic signals and sends the electrocardiographic signals to the main body 2 through wireless communication; the main body 2 Send the ECG signal to the host computer 3 through wireless communication.

It should be noted that the ECG signal acquisition terminal 12 preferably sends the ECG signal to the ECG module 202 of the bracelet body 2 via Bluetooth, and the bracelet body 2 preferably transmits the ECG signal through WiFi or GPRS in the wireless communication module 211. To the upper computer 3, and the upper computer 3 is a mobile phone or a server, if the wireless communication module 211 detects that the network environment index is lower than the threshold, the ECG signal data is temporarily stored in the storage module 208 of the bracelet until the network environment index is high When setting the threshold, the electrocardiogram data is sent to the host computer 3 through the WiFi or GPRS in the wireless communication module 211 . In this embodiment, the EEG signal is combined with the ECG signal to analyze the user, which has higher accuracy than a single EEG signal.

In this embodiment, the ECG signal acquisition terminal 12 is preferably but not limited to adopt bipolar limb leads, including a first ECG signal acquisition terminal and a second ECG signal acquisition terminal, and the first ECG signal acquisition terminal is pasted or fixed The structure is fixed on one upper limb of the user, and the second ECG signal acquisition terminal is fixed on the lower limb or another upper limb of the user by sticking or fixing the structure.

According to actual needs, the first ECG signal acquisition terminal can be fixed on the arm or on the finger. The ECG signal acquisition terminal 12 of the present embodiment preferably adopts the BMD101 chip of NeuroSky (Shen Nian Technology), and is fixed on the finger in the form of a ring. ECG signals are collected on the computer, and a 16-bit high-precision ADC analog-to-digital converter is used to convert them into digital signals. BMD101 is also equipped with a solidified DSP digital signal processing unit to accelerate various preprocessing under the monitoring of the system management unit, such as: preamplifier circuit, right leg drive circuit, high-pass filter circuit, low-pass filter circuit, power frequency trap circuit And the post-stage amplifying circuit, the ECG signal in this embodiment preferably passes through the pre-amplifier circuit, the right leg drive circuit, the high-pass filter circuit, the low-pass filter circuit, the power frequency trap circuit and the post-stage amplifying circuit in sequence. Among them, the preamplifier circuit mainly collects ECG signals. This circuit has a good common-mode rejection ratio and can minimize signal interference signals. The right leg drive circuit is mainly to reduce the human body displacement current, and the circuit also has a certain suppression of power frequency interference. The high-pass filter circuit is mainly for the baseline drift in the ECG signal. The low-pass filter circuit is mainly to reduce the myoelectric interference of the ECG signal, and the power frequency notch circuit is mainly to suppress the power frequency interference in the ECG signal. Because the amplitude of the electrocardiographic signal is too low, the electrocardiographic signal is amplified and processed by a post-stage amplifier circuit.

As another implementation of this embodiment, the physiological signal recorder also includes a myoelectric signal acquisition terminal 13, and the myoelectric signal acquisition terminal 13 collects the myoelectric signal, and sends the myoelectric signal to the main body 2 through wireless communication; the main body 2 The myoelectric signal is sent to the host computer 3 through wireless communication.

In this embodiment, the myoelectric signal acquisition terminal 13 collects the myoelectric signal, processes it, and then sends the processed myoelectric signal to the bracelet body 2 via Bluetooth, and the bracelet body 2 sends it to the mobile phone or server via WiFi. It should be noted that the myoelectric signal acquisition terminal 13 preferably sends the myoelectric signal to the myoelectric module 203 of the wristband body 2 through Bluetooth, and the wristband body 2 preferably sends the myoelectric signal through WiFi or GPRS in the wireless communication module 211. To the upper computer 3, and the upper computer 3 is a mobile phone or a server, if the wireless communication module 211 detects that the network environment index is lower than the threshold value, then the myoelectric signal data is temporarily stored in the storage module 208 of the bracelet until the network environment is higher than When setting the threshold, the electromyographic signal data is sent to the host computer 3 through WiFi or GPRS in the wireless communication module 211 .

Preferably, the myoelectric signal collection terminal 13 and the electromyographic signal collection terminal 12 in this embodiment are integrated together, and the electromyographic signal and the electromyographic signal are collected, processed and transmitted in parallel, and the user's muscle state can be analyzed through the electromyographic signal, For example, excitement, fatigue, etc., can reflect the user's physical and mental state to a certain extent. At the same time, combined with ECG signals and EEG signals, it can more accurately analyze the user's mental, psychological, and physiological states.

As another implementation of this embodiment, the wristband body 2 is provided with a gravity sensor 213 inside to sense the acceleration of gravity for detecting the user's walking steps and sending the step count signal to the host computer 3 via WiFi or GPRS.

In addition, the body 2 preferably also includes the following modules:

MCU 200 , power module 204 and LED light 212 , power module 204 preferably adopts BQ24040 chip, MCU 200 detects the charging and discharging of the storage battery through this chip, and displays the status of battery power through LED light 212 .

The external crystal oscillator 210 and the motor 209, the MCU 200 controls the external crystal oscillator 210 to output a control signal to drive the motor 209 to vibrate for information prompt.

The button module 206 is used for inputting setting information.

The external reset module 205 is used for state restoration.

The display module 207 is used to display the set information, such as EEG signal, ECG signal, EMG signal, step count, and the result obtained by combining the aforementioned signals.

Example 2:

As shown in FIG. 2 , the embodiment of the present invention provides a physiological signal recording system, which includes a host computer 3 and a physiological signal recorder as described in Embodiment 1 connected to the host computer 3 .

The upper computer 3 in this embodiment may be a mobile terminal or a server. Both the mobile terminal and the server can be bound to one or more ontology 2, receive EEG signals sent by the ontology 2, and electrocardiographic signals or electromyography signals, etc., then analyze the received signals, and give judgment results, judging The result can be displayed on the mobile terminal or on the main body 2 .

The physiological signal recording system provided by the embodiment of the utility model has the same technical features as the physiological signal recorder provided by the above embodiment, so it can also solve the same technical problem and achieve the same technical effect.

Example 3

As shown in Figure 3, this embodiment provides a physiological signal recording method, including the following steps:

S11. Receive the EEG signal collected by the EEG signal acquisition end through wireless communication.

The EEG signal acquisition terminal collects the EEG signal and preprocesses it, and then sends the preprocessed EEG signal to the body of the wearable device through Bluetooth, and the body receives the EEG signal.

S12. Send the received EEG signal to the host computer through wireless communication.

After the main body receives the EEG signal sent by the EEG signal acquisition terminal through Bluetooth, it directly sends it in real time through WiFi or GPRS, or temporarily stores it before sending it.

Example 4

As shown in Figure 4, this embodiment provides a physiological signal recording method, including the following steps:

S21. Receive the EEG signals collected by the EEG signal collection end and the ECG signals collected by the ECG signal collection end through wireless communication.

The EEG signal acquisition terminal collects the EEG signal and preprocesses it, and then sends the preprocessed EEG signal to the body of the wearable device through Bluetooth.

The ECG signal acquisition terminal collects the ECG signal and preprocesses it, and then sends the preprocessed ECG signal to the body of the wearable device via Bluetooth.

The body receives EEG signals and ECG signals.

S22. Send the received EEG signal and ECG signal to the host computer through wireless communication.

After the main body receives EEG and ECG signals through Bluetooth, it sends them directly through WiFi or GPRS in real time, or temporarily stores them before sending them.

Example 5

As shown in Figure 5, this embodiment provides a physiological signal recording method, including the following steps:

S31. Receive the EEG signals collected by the EEG signal collection end, the ECG signals collected by the ECG signal collection end, and the EMG signals collected by the EMG signal collection end through wireless communication.

The EEG signal acquisition terminal collects the EEG signal and preprocesses it, and then sends the preprocessed EEG signal to the body of the wearable device through Bluetooth.

The ECG signal acquisition terminal collects the ECG signal and preprocesses it, and then sends the preprocessed ECG signal to the body of the wearable device via Bluetooth.

The myoelectric signal acquisition terminal collects the myoelectric signal and preprocesses it, and then sends the preprocessed myoelectric signal to the body of the wearable device through Bluetooth.

The body receives EEG signals, ECG signals and EMG signals.

S32. Send the received EEG signal, ECG signal and EMG signal to the host computer through wireless communication.

After receiving the EEG signal, ECG signal and EMG signal through Bluetooth, the main body sends it directly through WiFi or GPRS in real time, or temporarily stores it before sending it.

The physiological signal recording method provided by the embodiment of the present invention has the same technical features as the physiological signal recording system provided by the above-mentioned embodiment, so it can also solve the same technical problem and achieve the same technical effect, so it will not be repeated here.

Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working process of the above-described system and device can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

In addition, in the description of the embodiments of the present utility model, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

It should be noted that at last: the above-described embodiment is only the specific implementation manner of the present utility model, in order to illustrate the technical scheme of the present utility model, rather than it is limited, and the protection scope of the present utility model is not limited thereto, Although the utility model has been described in detail with reference to the aforementioned embodiments, those of ordinary skill in the art should understand that any person familiar with the technical field can still describe the aforementioned embodiments within the technical scope disclosed in the utility model. Modifications or changes can be easily imagined in the technical solutions, or equivalent replacement of some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model. All should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (10)

1. A physiological signal recorder, characterized in that, comprises a body of a wearable device and an EEG signal acquisition terminal; The EEG signal acquisition terminal collects the EEG signal, and sends the EEG signal to the main body through wireless communication; The body receives the EEG signal, and sends the EEG signal to a host computer through wireless communication. 2 . The physiological signal recorder according to claim 1 , wherein the EEG signal acquisition terminal is used to collect EEG signals in emotional regions of the brain. 3 . 3. The physiological signal recorder according to claim 2, wherein the EEG signal acquisition terminal at least includes a first EEG signal acquisition terminal and a second EEG signal acquisition terminal for being arranged on the top of the head, It is used for the third collection terminal and the fourth collection terminal arranged on the head above the ear, and for the fifth EEG signal collection terminal arranged at the back of the brain. 4. The physiological signal recorder according to claim 1, further comprising an electrocardiographic signal acquisition terminal, the electrocardiographic signal acquisition terminal collects electrocardiographic signals, and sends the electrocardiographic signals to said ontology; The main body sends the electrocardiographic signal to the host computer through wireless communication. 5. The physiological signal recorder according to claim 4, wherein the electrocardiographic signal acquisition terminal is a bipolar limb lead, comprising a first electrocardiographic signal acquisition terminal and a second electrocardiographic signal acquisition terminal, so The first ECG signal collection terminal is used to be fixed on an upper limb of the user, and the second ECG signal collection terminal is used to be fixed to a lower limb or another upper limb. 6. The physiological signal recorder according to claim 5, characterized in that, the first electrocardiographic signal collection end is pasted on or fixed to the arm or finger of the upper limb through a fixed structure, and the second electrocardiographic signal The collection end is pasted on or fixed to the lower limb or another upper limb through a fixing structure. 7. The physiological signal recorder according to claim 4, characterized in that, it also includes an electromyographic signal acquisition terminal, and the electromyographic signal acquisition terminal collects electromyographic signals, and sends the electromyographic signals to said ontology; The body sends the myoelectric signal to the host computer through wireless communication. 8. The physiological signal recorder according to claim 7, wherein the main body receives the EEG signal, the ECG signal and the EMG signal through Bluetooth, and transmits the EEG signal through WiFi or GPRS. The EEG signal, the ECG signal and the EMG signal are sent to the host computer. 9. The physiological signal recorder according to any one of claims 1-8, wherein a gravitational induction accelerator is arranged inside the body. 10. A physiological signal recording system, characterized by comprising a host computer and the physiological signal recorder according to any one of claims 1-9 connected to the host computer.