CN111920398A - Composite human body physiological electric signal detection head ring - Google Patents
Composite human body physiological electric signal detection head ring Download PDFInfo
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- CN111920398A CN111920398A CN202010843899.9A CN202010843899A CN111920398A CN 111920398 A CN111920398 A CN 111920398A CN 202010843899 A CN202010843899 A CN 202010843899A CN 111920398 A CN111920398 A CN 111920398A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0531—Measuring skin impedance
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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- A—HUMAN NECESSITIES
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- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
- A61B5/4261—Evaluating exocrine secretion production
- A61B5/4266—Evaluating exocrine secretion production sweat secretion
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- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
Abstract
The invention provides a composite human body physiological electric signal detection head ring, which comprises: the wearable part is of a circular structure and is used for being worn on the head of a human body; the detection part is arranged on the wearing part; the detection part comprises a detection module, a processing module, a display module and a communication module, the detection module extracts a biological signal from the head of the human body and transmits the biological signal to the processing module, the processing module identifies the physiological activity of the human body and the use state of the tester according to the biological signal, displays the content corresponding to the physiological activity and the abnormal use state through the display module, and transmits the biological signal to an external terminal through the communication module as a trigger signal for a user to develop more applications; the invention has the advantages of high precision, small volume, convenient carrying and wearing, and higher economic and social benefits.
Description
Technical Field
The invention relates to a biological signal measuring device, in particular to a composite human body physiological electric signal detection head ring.
Background
Products for acquiring bioelectricity signals in the traditional market are mostly applied to the field of professional medical treatment, belong to medical instruments, have the problems of high price, large volume and trouble wearing, and are not beneficial to large-scale popularization and application; with the development of sensing technology and the continuous reduction of cost in recent years, related products applied to the civil field gradually appear, but most of products acquire single signals relatively, cannot acquire multiple bioelectricity signals simultaneously, and acquired signals are low in accuracy and large in noise, so that results are inaccurate, and in addition, the stability of test results is poor, and the influence of body movement is large.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a composite human body physiological electrical signal detection head ring, which is used to solve the problems of the prior art that the tester is bulky, the wearing is troublesome, and the collected signal is single.
In order to achieve the above and other related objects, the present invention provides a composite human body physiological electrical signal detection headband, comprising: the wearable part is of a circular structure and is used for being worn on the head of a human body; the detection part is arranged on the wearing part;
the detection section includes:
the detection module is used for extracting biological signals from the head of a human body;
the processing module is used for identifying the physiological activity of the human body through the biological signal and displaying the content corresponding to the physiological activity through the display module;
the processing module is also used for detecting whether the use state of the tester is normal or not, and if not, the abnormal use state is displayed through the display module;
the processing module is also used for processing the biological signal to obtain a first signal and transmitting the first signal to the communication module;
and the communication module is used for transmitting the first signal to an external terminal.
In an embodiment of the present invention, the bio-signals include brain wave signals, skin sweating signals, head movement signals and pulse signals.
In an embodiment of the invention, the content corresponding to the physiological activities includes:
the head of the human body acts in the three-dimensional direction, the human body blinks, the human body sweats, the pulse index and the heartbeat index;
in an embodiment of the invention, the detecting portion further includes a plurality of dry electrode sensors, each of the dry electrode sensors is disposed inside the wearing portion;
the abnormal use state includes:
the dry electrode sensor contact position is incorrect;
or the electric quantity of the tester is less than or equal to the preset electric quantity;
or the communication connection between the communication module and the external terminal fails.
In an embodiment of the present invention, the first and second electrodes are arranged in a circular shape,
the brain wave signal is acquired by a biological electric wave detection unit;
the skin sweating signal is acquired by a sweating detection unit;
the head movement signal is acquired by a head movement detection unit;
the pulse signal is acquired by a pulse detection unit.
In an embodiment of the invention, the detection portion further includes at least three dry electrode sensors, each dry electrode sensor is disposed inside the wearable portion, and the input ends of the bioelectrical wave detection unit and the sweat detection unit are electrically connected to the corresponding dry electrode sensors.
In an embodiment of the invention, the bioelectrical wave detection unit employs a bioelectrical wave acquisition chip.
In an embodiment of the present invention, the sweat detection unit includes:
the input end of the amplification subunit is electrically connected with the dry electrode sensor, and is used for amplifying the signal of the dry electrode sensor and recording the signal as a second signal;
and the analog-to-digital conversion subunit is used for performing analog-to-digital conversion on the second signal.
In an embodiment of the invention, the head movement detection unit employs an acceleration sensor.
In an embodiment of the invention, the pulse detection unit employs a pulse signal acquisition chip.
As described above, the composite human body physiological electrical signal detection head ring of the present invention is worn on the head of a human body, can collect various human body biological signals, identifies the physiological activities of the human body and the use state of the tester according to the biological signals, and displays the content corresponding to the physiological activities and the abnormal use state through the display module; in addition, the tester also transmits the biological signal as a trigger signal to an external terminal so as to be used by a user for developing more applications; the invention has small volume, convenient carrying and wearing, and higher economic and social benefits.
Drawings
Fig. 1 is a schematic perspective view of a composite human body physiological electrical signal detection head ring disclosed in the embodiment of the present invention.
Fig. 2 is a block diagram showing a structure of the detecting unit disclosed in the embodiment of the present invention.
Fig. 3 is a schematic wiring diagram of the bioelectric wave detection unit disclosed in the embodiment of the present invention.
Fig. 4 is a schematic wiring diagram of the sweat detection unit disclosed in the embodiment of the present invention.
Fig. 5 is a schematic wiring diagram of the head movement detection unit disclosed in the embodiment of the present invention.
Fig. 6 is a schematic wiring diagram of the pulse detection unit disclosed in the embodiment of the invention.
FIG. 7 is a schematic wiring diagram of the processing module disclosed in the embodiment of the present invention.
Fig. 8 is a schematic wiring diagram of the power module disclosed in the embodiment of the invention.
Description of the element reference numerals
1-a wearing portion; 2-a detection section; 101-adjusting knob; 201-dry electrode sensor; 202-a detection module;
203-a processing module; 204-a display module; 205-a communication module; 206-a power supply module;
2021-bioelectric wave detection unit; 2022-sweating detection unit; 2023-a head motion detection unit;
2024-pulse detection unit; 2041-audio unit; 2042-indicator light unit.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, the present invention provides a composite human body physiological electrical signal detection head ring, which includes a wearing portion 1 and a detection portion 2, wherein the wearing portion 1 is a circular ring structure and is used for wearing on the head of a human body; the wearing portion 1 further includes an adjustment knob 101 for adjusting the size of the wearing portion 1.
Referring to fig. 1 and 2, the detecting part 2 is disposed on the wearing part 1, the detecting part 2 includes a dry electrode sensor 201, a detecting module 202, a processing module 203, a display module 204, a communication module 205 and a power module 206, wherein the detecting module 202, the processing module 203, the display module 204, the communication module 205 and the power module 206 are respectively disposed on a plurality of PCB boards, each PCB board is embedded into the wearing part 1, and the PCB boards are connected to each other by a FFC flat wire; by adopting the scheme, the effects of small volume, light weight and portability can be realized.
Referring to fig. 1, a plurality of dry electrode sensors 201 are provided, each dry electrode sensor is disposed inside the ring of the wearing portion 1, and in this embodiment, a dry electrode sensor of PLUX Wireless Biosignals s.a. is adopted, and a bio-signal shielding conductive wire is provided.
In this embodiment, the human body biological signals detected by the detection module 202 include brain wave signals, skin sweating signals, head movement signals, and pulse signals, in order to obtain the brain wave signals, two dry electrode sensors are disposed at positions corresponding to the forehead of the human body, biological voltages at corresponding positions are obtained through the dry electrode sensors, then the voltage signals are converted into digital signals by using the ADC, and the digital signals are processed by an embedded algorithm, so as to obtain the brain wave signals at this time. The invention is also provided with a third dry electrode sensor at the position corresponding to the mastoid bone of the left ear, and the third dry electrode sensor is used for providing reference voltage for the brain wave signal.
In addition, because the micro current flows on the surface of the skin, the dry electrode sensor can be used for detecting the impedance value of the contact surface after being contacted with the skin, so as to acquire the skin sweating signal.
It should be noted that, in different types of biological signals, the placement positions of the dry electrode sensors are different, and in actual use, the number and positions of the dry electrode sensors 201 may be configured according to needs, which is not described herein again.
A detection module 202 for extracting a biological signal from a human head; the detection module 202 includes a biological wave detection unit 2021, a sweating detection unit 2022, a head movement detection unit 2023, and a pulse detection unit 2024;
referring to fig. 3, the bioelectrical wave detection unit 2021 detects brain wave signals by using a bioelectrical wave acquisition chip U1, and an input terminal of the bioelectrical wave acquisition chip U1 is electrically connected to the corresponding dry electrode sensor 201 through a shielded conductive wire, so that a series of processing such as acquisition, noise reduction, amplification, analog-to-digital conversion of the brain wave signals can be completed, stable and pure real-time high-precision brain wave signals can be obtained, and data can be transmitted to the processing module 203 through a UART serial port protocol. In the present embodiment, the bioelectric wave pickup chip U1 is a NeuroSky chip of BMD 101.
Referring to fig. 4, the sweating detection unit 2022 includes an amplifying subunit and an analog-to-digital conversion subunit, wherein the amplifying subunit uses an operational amplifier U5, an input terminal of the operational amplifier U5 is electrically connected to the corresponding dry electrode sensor 201 through a shielding conductive wire, a contact surface between the dry electrode sensor and the skin has a certain impedance value, a current signal on the surface of the skin is converted into a voltage signal through the impedance value and is input to the operational amplifier U5 for amplification, and an amplified signal of the dry electrode sensor is denoted as a second signal; the analog-to-digital conversion sub-unit employs an analog-to-digital conversion chip U6, and is configured to perform analog-to-digital conversion on the second signal and transmit the data to the processing module 203 through the I2C bus. In this embodiment, the operational amplifier U5 is a chip of Texas Instruments, model LM 324; the analog-to-digital conversion chip U6 is a Microchip with model number MCP 3221.
Referring to fig. 5, the head motion detection unit 2023, using the acceleration sensor U8 to detect the head motion signal, can detect various motions of the head in three-dimensional directions, and after analog-to-digital conversion, transmits data to the processing module 203 through the I2C bus, where the motions of the head include: nodding, shaking and swinging. In this embodiment, the acceleration sensor U8 is a chip manufactured by STMicroelectronics, model number LIS3 DH.
Referring to fig. 1, the head motion detection unit 2023 is located at the upper end of the third dry electrode sensor, corresponding to the left side of the human body in the detection portion 2.
Referring to fig. 6, the pulse detecting unit 2024 detects a pulse signal by using the pulse signal collecting chip U9, the 525nm green light emitted by the pulse signal collecting chip U9 through the embedded LED can be transmitted to the blood vessel under the skin, the light reflected by the blood can be received by the embedded photodiode in the pulse signal collecting chip U9, when the blood flow rate in the blood vessel changes, the reflected light intensity received by the photodiode also changes, the pulse index of the user can be determined by the high correlation between the blood flow rate and the pulse-heartbeat, and then a corresponding heartbeat index is obtained, and after photoelectric conversion, noise reduction, and analog-to-digital conversion, the data is transmitted to the processing module 203 through the I2C bus. In this embodiment, the pulse signal acquisition chip is a chip of PAH8011 manufactured by Pixart.
Referring to fig. 1, the pulse detection unit 2024 is located in the detection portion 2 between the two dry electrode sensors of the forehead.
Referring to fig. 7, the processing module 203 employs a main chip U4 to receive the bio-signal, in this embodiment, the main chip U4 employs a chip of Texas Instruments, model CC2640R 2F.
The processing module 203 is used for identifying the physiological activity of the human body through the biological signal and displaying the content corresponding to the physiological activity through the display module 204; wherein, the content corresponding to the physiological activities comprises blinking actions of the human body, sweating phenomena of the human body, actions of the human head in the three-dimensional direction, pulse indexes and heartbeat indexes;
when blinking, a blinking feature signal is generated in the brain wave signal, a model is established on software by integrating the blinking feature signals of a plurality of persons, then the blinking feature signal analysis is performed on the real-time brain wave data transmitted by the biological electric wave detection unit 2021 through an algorithm embedded in the main chip U4, whether blinking actions exist or not is judged within a preset time, and if blinking actions exist, the blinking actions can be displayed through the display module 204.
The detection of sweating is judged by detecting the impedance of the skin surface, the impedance becomes small after sweating, by utilizing the characteristic, the data transmitted by the sweating detection unit 2022 is statistically analyzed by an algorithm embedded in the main chip U4, a threshold value is set on software by integrating the impedances before and after sweating of a plurality of people, then the threshold value is compared with the acquired signal, whether the sweating phenomenon exists or not is judged within the preset time, and if the sweating phenomenon exists, the sweating phenomenon can be displayed by the display module 204;
it should be noted that, sweat detection is performed, on one hand, because the skin of a human body can affect the change of the skin surface impedance after sweating, which can affect the direct current offset value in the acquired brain wave signal component, thereby affecting the analysis and judgment result of the cloud AI (Artificial Intelligence) algorithm on the brain wave data, so that by transmitting the sweat detection data to the AI, a closed loop system can be formed, the AI can perform reverse compensation on the influence caused by sweat, and the influence caused by sweat can be eliminated to the maximum extent; on the other hand, in a space with relatively stable environment temperature and humidity, researches show that the secretion condition of the eccrine glands on the surface of the human body has certain correlation with psychological activity and emotional change (called as 'galvanic skin response'), and the psychological and mental states of the testee can be subjected to multi-dimensional analysis by combining with brain waves through sweating detection, so that the accuracy of a judgment result is improved.
The main chip U4 receives the data transmitted by the head movement detection unit 2023, and combines with the embedded algorithm, so as to cancel the interference of the head movement to the signal, and in addition, the head movement can be used as the trigger signal of the external terminal to expand more applications.
The main chip U4 receives the data transmitted by the pulse detection unit 2024, and combines the embedded algorithm to obtain the real-time pulse result, and thus obtain the corresponding heartbeat result.
The processing module 203 is further configured to detect whether the usage status of the tester is normal, and if the usage status is not normal, the usage status may be displayed through the display module 204; wherein the abnormal use state includes:
the dry electrode sensor 201 contact position is incorrect;
or the electric quantity of the tester is less than or equal to the preset electric quantity;
alternatively, the communication connection between the communication module 205 and the external terminal fails.
The processing module 203 is further configured to encode and package the received biological signal to obtain a first signal, and transmit the first signal to the communication module 205.
The display module 204 includes:
the audio unit 2041 is used for performing language broadcast on the content corresponding to the physiological activities of the human body and the abnormal use state, and if it is recognized that the user has characteristics such as blinking, sweating, head movement, or the pulse index and the heartbeat index of the user, or the use state of the tester is abnormal, the voice can be broadcasted through the loudspeaker, and a corresponding voice prompt is performed on the user, so that the effect of guiding the user to wear and use correctly in the sense of hearing is achieved. In this embodiment, the audio unit 2041 employs a voice driver chip of Waytronic, model WTN6170, and a phi 13mm low noise speaker.
The indicator light unit 2042 is used for lighting corresponding indicator lights for the corresponding content of the physiological activities of the human body and the abnormal use state, and if the user is identified to have the characteristics of blinking, sweating, head movement and the like, or the pulse index and the heartbeat index of the user, or the use state of the tester is abnormal, the human body characteristics can be displayed through the arrangement and combination of the normal lighting or the blinking of the indicator lights, and the effect of visually guiding the user to wear and use correctly is achieved. In this embodiment, the indicator light unit 2042 adopts to set up a plurality of red, green, blue three-color LED lamps on the tester shell to realize the display function.
It should be noted that, in actual use, the display module may select other display devices such as a liquid crystal display according to needs, and details are not described herein.
Referring to fig. 7, the communication module 205 transmits the first signal as a trigger signal to an external terminal through a low power consumption bluetooth BLE5.0 protocol, so as to expand more applications; the external terminal comprises a computer, a mobile phone and a cloud server.
Referring to fig. 8, in the present embodiment, the power module 206 is powered by a 1.5V alkaline dry battery No. 7, and adopts Texas Instruments, a transformer U2 with a model number TLV61220, and a transformer U3 with a model number RP401N, to respectively output a voltage V1 and a voltage V2, which are used as working voltages of the tester, wherein the voltage V1 is 1.8V, and the voltage V2 is 3.3V.
Through the type selection of components and parts, adopt bluetooth low energy BLE 5.0's transmission protocol, reduce operating condition and standby state's consumption by a wide margin, prolong the life of battery, energy-concerving and environment-protective.
In summary, the composite human body physiological electrical signal detection head ring is worn on the head of a human body, can collect various human body biological signals, identifies the physiological activities of the human body and the use state of a tester according to the biological signals, and displays the content corresponding to the physiological activities and the abnormal use state through the display module; in addition, the tester also transmits the biological signal as a trigger signal to an external terminal so as to be used by a user for developing more applications; the invention has small volume, convenient carrying and wearing, and higher economic and social benefits. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a compound human physiology electricity signal detection headring which characterized in that, the tester includes: the wearable part is of a circular structure and is used for being worn on the head of a human body; the detection part is arranged on the wearing part;
the detection section includes:
the detection module is used for extracting biological signals from the head of a human body;
the processing module is used for identifying the physiological activity of the human body through the biological signal and displaying the content corresponding to the physiological activity through the display module;
the processing module is also used for detecting whether the use state of the tester is normal or not, and if not, the abnormal use state is displayed through the display module;
the processing module is also used for processing the biological signal to obtain a first signal and transmitting the first signal to the communication module;
and the communication module is used for transmitting the first signal to an external terminal.
2. The composite human body physiological electrical signal detection headgear of claim 1, wherein the biological signals include brain wave signals, skin perspiration signals, head movement signals, and pulse signals.
3. The composite human body physiological electrical signal detection head ring according to claim 2, wherein the physiological activity corresponds to the content comprising:
the human body has blinking action, the human body has sweating phenomenon, and the head of the human body has action, pulse index and heartbeat index in the three-dimensional direction.
4. The composite human body physiological electrical signal detection headgear of claim 1, wherein the detection portion further comprises a plurality of dry electrode sensors, each dry electrode sensor being disposed inside the wearing portion;
the abnormal use state includes:
the dry electrode sensor contact position is incorrect;
or the electric quantity of the tester is less than or equal to the preset electric quantity;
or the communication connection between the communication module and the external terminal fails.
5. The composite human body physiological electrical signal detection head ring according to claim 2, wherein:
the brain wave signal is acquired by a biological electric wave detection unit;
the skin sweating signal is acquired by a sweating detection unit;
the head movement signal is acquired by a head movement detection unit;
the pulse signal is acquired by a pulse detection unit.
6. The composite human body physiological electrical signal detection head ring according to claim 5, wherein: the detection part also comprises at least three dry electrode sensors, each dry electrode sensor is arranged on the inner side of the wearing part, and the input ends of the biological electric wave detection unit and the sweating detection unit are electrically connected with the corresponding dry electrode sensors.
7. The composite human body physiological electrical signal detection head ring according to claim 6, wherein: the biological electric wave detection unit adopts a biological electric wave acquisition chip.
8. The composite human body physiological electrical signal detection headband of claim 6, wherein the sweating detection unit comprises:
the input end of the amplification subunit is electrically connected with the dry electrode sensor, and is used for amplifying the signal of the dry electrode sensor and recording the signal as a second signal;
and the analog-to-digital conversion subunit is used for performing analog-to-digital conversion on the second signal.
9. The composite human body physiological electrical signal detection head ring according to claim 5, wherein: the head movement detection unit adopts an acceleration sensor.
10. The composite human body physiological electrical signal detection head ring according to claim 5, wherein: the pulse detection unit adopts a pulse signal acquisition chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843899.9A CN111920398A (en) | 2020-08-20 | 2020-08-20 | Composite human body physiological electric signal detection head ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010843899.9A CN111920398A (en) | 2020-08-20 | 2020-08-20 | Composite human body physiological electric signal detection head ring |
Publications (1)
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