CN108542387A - A kind of human body chewing signal detection system - Google Patents
A kind of human body chewing signal detection system Download PDFInfo
- Publication number
- CN108542387A CN108542387A CN201810366200.7A CN201810366200A CN108542387A CN 108542387 A CN108542387 A CN 108542387A CN 201810366200 A CN201810366200 A CN 201810366200A CN 108542387 A CN108542387 A CN 108542387A
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- microcontroller
- human body
- detection system
- resistor
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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
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/389—Electromyography [EMG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
Abstract
The invention discloses a kind of human bodies to chew signal detection system, including：Microcontroller, village field myoelectric sensor, indicator light, current-limiting resistance, the first GPIO mouthfuls of connections that the indicator light cathode passes through current-limiting resistance and microcontroller, the microcontroller the 2nd GPIO mouthfuls connect with the output end of village field myoelectric sensor, village field myoelectric sensor is used to acquire the vibration signal of human body face masseter and the vibration signal is converted to pulse, the microcontroller is used to the pulse count and be compared count results with preset reference value, when count results are less than preset reference value, first GPIO mouthfuls of output low levels of the microcontroller.The secondary numerical value of people's chewing is obtained by village field myoelectric sensor, and the secondary numerical value is compared by microcontroller and preset reference value, when secondary numerical value is less than preset reference value, is alarmed by lighting indicator light, people is facilitated to connect the chewing situation of itself in time.
Description
Technical field
The present invention relates to intelligence to dress technical field, more particularly to a kind of human body chews signal detection system.
Background technology
Feed is survived closely bound up major issue with us, it includes chewing, swallows two steps.In nowadays this rhythm of life
The society constantly accelerated, the speed having a meal along with the mankind can be also getting faster, and most of foods do not pass through how many times and chew
It just directly gulps down into belly, over-simplifying the matter is gradually at bad habit.These bad habits bring many harms to us：On risk of cancer
It rises, eats soon, cannot chew completely, be easy to cause digestive tract wall hyperplasia, precancerous lesion etc..
And chewing is the core procedure in entire feeding process, achievement in research shows that the optimum speed having a meal is a bite meal
Chewing 20 times or so, and the elderly is preferably then 25 to 50 times；Following benefit is just had when number reaches 30：It chews carefully and swallow slowly, makes
Food can be digested and assimilated faster, and blood glucose is promoted faster to increase, relatively early to emerge in large numbers satiety and stagnate feed, ensure health.
Village field myoelectric sensor can effectively be acquired masticatory movement signal, and the sensor bulk is small, ultra-thin, and size is only
The vibration that for 15mm*27mm*4.0mm (thickness), the sensor vibration signal of masseter can be acquired, and will be collected
Signal is converted to the corresponding pulse signal of Masticatory frequency.
There is no the reminding type products for Masticatory frequency and healthy relationship in existing intelligence wearing product so that people
The chewing situation of itself can not be recognized in time.
Invention content
The purpose of the present invention is：A kind of system for Masticatory frequency is provided, people is facilitated to understand the chewing of itself in time
Situation.
The solution that the present invention solves its technical problem is：A kind of human body chewing signal detection system, including：Monolithic
Machine, village field myoelectric sensor, indicator light, current-limiting resistance, the first GPIO that the cathode of indicator light passes through current-limiting resistance and microcontroller
Mouth connection, the output end connection of the 2nd villages GPIO Kou Yu field myoelectric sensor of microcontroller, village field myoelectric sensor are used for
It acquires the vibration signal of human body face masseter and the vibration signal is converted into pulse, the microcontroller is used for the pulse
Count and be compared count results with preset reference value, when count results are less than preset reference value, the monolithic
First GPIO mouthfuls of output low levels of machine.
Further, this system further includes in-phase proportion amplifier, and the output end of village field myoelectric sensor is the same as compared with
The input terminal connection of example amplifier, the output end of in-phase proportion amplifier and the microcontroller the 2nd GPIO mouthfuls connect.
Further, the in-phase proportion amplifier includes：First resistor, second resistance, 3rd resistor, operational amplifier,
One end of first resistor connects the output end of village field myoelectric sensor, the other end connection operational amplifier of first resistor
In-phase input end, respectively with one end of 3rd resistor, the inverting input of operational amplifier connects for one end of second resistance, third
The other end of resistance and the output end of operational amplifier connect, the 2nd GPIO of the output end of operational amplifier and the microcontroller
Mouth connection.
Further, the model AT89C51 of the microcontroller.
Further, this system further includes bluetooth module, and the serial ports end of microcontroller and the input terminal of bluetooth module connect.
The beneficial effects of the invention are as follows：The secondary numerical value of people's chewing is obtained by village field myoelectric sensor, and by the secondary numerical value
It is compared by microcontroller and preset reference value, when secondary numerical value is less than preset reference value, is carried out by lighting indicator light
Alarm, facilitates people to connect the chewing situation of itself in time.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the circuit connection diagram of the invention.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/connection relations not singly refer to component and directly connect, and refer to that can be added deduct according to specific implementation situation by adding
Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Embodiment 1, with reference to figure 1, a kind of human body chewing signal detection system, including：Microcontroller 1, village field myoelectric sensor
2, indicator light LED, the cathode of current-limiting resistance R4, the indicator light LED pass through current-limiting resistance R4 and microcontroller 1 the first GPIO mouthfuls
P1.0 connections, anode the connection power supply VCC, the 2nd GPIO mouthfuls of P3.4 of the microcontroller 1 of the indicator light LED and the village field
The output end of myoelectric sensor connects, wherein the first GPIO mouthfuls of P1.0 are recommending output mode pattern, and the described 2nd GPIO mouthfuls of P3.4 are
Counter mode, village field myoelectric sensor 2 can acquire the vibration signal of human body face masseter and turn the vibration signal
It is changed to pulse, the microcontroller 1 counts the pulse by the 2nd GPIO mouthfuls of P3.4, and obtained count results are exactly in fact
Masticatory frequency, and count results are compared with preset reference value, when count results are less than preset reference value, the monolithic
First GPIO mouthfuls of P1.0 of machine export low level.The low level is applied on indicator light LED, to light indicator light LED, is made one
Recognize chewing situation in time, if the Masticatory frequency for reaching health requirements facilitates people to be managed health.
The system can combine with ornament, form intelligent necklace class product, facilitate people in the case where not losing beauty, to strong
Kang Jinhang products.
As advanced optimizing for the above embodiment, the invention system further includes in-phase proportion amplifier 3, described
The output end of village field myoelectric sensor 2 is connect with the input terminal of the in-phase proportion amplifier 3, the in-phase proportion amplifier 3
Output end connect with the 2nd GPIO mouthfuls of P3.4 of microcontroller 1, the in-phase proportion amplifier 3 includes：First, second, third
Resistance R1, R2, R3, the output end of one end connection village field myoelectric sensor 2 of operational amplifier A MP, the first resistor R1, institute
State the in-phase input end of the other end connection operational amplifier A MP of first resistor R1, one end of the second resistance R2 respectively with
One end of 3rd resistor R3, the inverting input connection of operational amplifier A MP, the other end of the 3rd resistor R3 are put with operation
The output end connection of big device AMP, the output end of the operational amplifier A MP are connect with the 2nd GPIO mouthfuls of P3.4 of microcontroller 1.It is logical
It crosses the pulse signal that in-phase proportion amplifier 3 exports village field myoelectric sensor 2 to be amplified, microcontroller 1 is facilitated to identify and count
Number.
As advanced optimizing for the above embodiment, the model AT89C51 of the microcontroller.
Further include bluetooth module 4 as advanced optimizing for the above embodiment, the serial ports end TXD of the microcontroller 1,
RXD is connect with the input terminal of the bluetooth module 4 respectively.By serial port communicating protocol, microcontroller 1 and bluetooth module 4 connect
Come, count results can be transferred in bluetooth module 4 by serial port protocol, and bluetooth module 4 is connected by Bluetooth protocol and cell phone application
It connects, cell phone application obtains the information that microcontroller 1 is sent out by bluetooth api routine, and shows the count results on mobile phone
Out, the number that people understand chewing is further facilitated, people is facilitated to carry out health control.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of human body chews signal detection system, which is characterized in that including：Microcontroller, village field myoelectric sensor, indicator light,
Current-limiting resistance, the cathode of indicator light is by the first GPIO mouthfuls of connections of current-limiting resistance and microcontroller, the 2nd GPIO mouthfuls of microcontroller
It is connect with the output end of village field myoelectric sensor, village field myoelectric sensor is used to acquire the vibration signal of human body face masseter
And the vibration signal is converted into pulse, the microcontroller be used to that the pulse count and by count results with it is default
Reference value is compared, when count results are less than preset reference value, the first GPIO mouthfuls of output low levels of the microcontroller.
2. a kind of human body according to claim 1 chews signal detection system, it is characterised in that：Further include that in-phase proportion is put
The output end of big device, village field myoelectric sensor is connect with the input terminal of in-phase proportion amplifier, in-phase proportion amplifier
Output end and the microcontroller the 2nd GPIO mouthfuls connect.
3. a kind of human body according to claim 2 chews signal detection system, which is characterized in that the in-phase proportion amplification
Device includes：One end connection village field myoelectricity of first resistor, second resistance, 3rd resistor, operational amplifier, first resistor passes
The output end of sensor, the in-phase input end of the other end connection operational amplifier of first resistor, one end of second resistance respectively with
One end of 3rd resistor, the inverting input connection of operational amplifier, the output of the other end and operational amplifier of 3rd resistor
End connection, the output end of operational amplifier and the microcontroller the 2nd GPIO mouthfuls connect.
4. chewing signal detection system according to a kind of human body of claim 1-3 any one of them, which is characterized in that the monolithic
The model AT89C51 of machine.
5. a kind of human body according to claim 4 chews signal detection system, which is characterized in that further include bluetooth module,
The serial ports end of microcontroller and the input terminal of bluetooth module connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366200.7A CN108542387A (en) | 2018-04-23 | 2018-04-23 | A kind of human body chewing signal detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810366200.7A CN108542387A (en) | 2018-04-23 | 2018-04-23 | A kind of human body chewing signal detection system |
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| Publication Number | Publication Date |
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| CN108542387A true CN108542387A (en) | 2018-09-18 |
Family
ID=63512217
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810366200.7A Pending CN108542387A (en) | 2018-04-23 | 2018-04-23 | A kind of human body chewing signal detection system |
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| CN (1) | CN108542387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10924869B2 (en) | 2018-02-09 | 2021-02-16 | Starkey Laboratories, Inc. | Use of periauricular muscle signals to estimate a direction of a user's auditory attention locus |
| CN113456028A (en) * | 2021-07-22 | 2021-10-01 | 歌尔光学科技有限公司 | Food intake monitoring method and device based on bone conduction, terminal equipment and medium |
| CN113749652A (en) * | 2021-11-09 | 2021-12-07 | 中南大学湘雅二医院 | Muscle movement monitoring method and device |
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Cited By (3)
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|---|---|---|---|---|
| US10924869B2 (en) | 2018-02-09 | 2021-02-16 | Starkey Laboratories, Inc. | Use of periauricular muscle signals to estimate a direction of a user's auditory attention locus |
| CN113456028A (en) * | 2021-07-22 | 2021-10-01 | 歌尔光学科技有限公司 | Food intake monitoring method and device based on bone conduction, terminal equipment and medium |
| CN113749652A (en) * | 2021-11-09 | 2021-12-07 | 中南大学湘雅二医院 | Muscle movement monitoring method and device |
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Application publication date: 20180918 |
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