CN111150935A - Myoelectric neck massage device and control method - Google Patents

Myoelectric neck massage device and control method Download PDF

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Publication number
CN111150935A
CN111150935A CN202010128487.7A CN202010128487A CN111150935A CN 111150935 A CN111150935 A CN 111150935A CN 202010128487 A CN202010128487 A CN 202010128487A CN 111150935 A CN111150935 A CN 111150935A
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control
myoelectric
neck massage
electromyographic
massage device
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CN111150935B (en
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温泉河
杨宇涵
招乾民
朱大昌
欧阳腾昂
欧阳少鑫
庄瑞东
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Guangzhou University
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Guangzhou University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/006—Percussion or tapping massage
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
    • A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/002—Using electric currents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36014—External stimulators, e.g. with patch electrodes
    • A61N1/3603—Control systems
    • A61N1/36031—Control systems using physiological parameters for adjustment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/04—Devices for specific parts of the body neck
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2230/00—Measuring physical parameters of the user
    • A61H2230/08—Other bio-electrical signals
    • A61H2230/085—Other bio-electrical signals used as a control parameter for the apparatus

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
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  • Rehabilitation Therapy (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Pain & Pain Management (AREA)
  • Epidemiology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physiology (AREA)
  • Electrotherapy Devices (AREA)
  • Massaging Devices (AREA)

Abstract

The invention discloses a myoelectricity neck massage device and a control method, wherein the system comprises: the myoelectric bracelet is used for collecting and processing myoelectric signals, generating control instructions and sending the control instructions to the neck massage device; the neck massage device is used for receiving the control command and completing the action; the neck massaging device includes a control portion and a peripheral portion, the control portion being nested within the peripheral portion. The technical scheme includes that the myoelectric bracelet and the neck massage device are used, the myoelectric bracelet is used for collecting, processing and judging myoelectric signals to form corresponding instructions, the main body part of the massager controls different operations according to the received instructions, the two parts work independently, only communication of control instructions is carried out between the two parts, mutual interference and influence are small, mutual dependency is low, the use is more convenient and fast, the applicability is wide, and the myoelectric bracelet can be widely applied to the technical field of collection and processing of bioelectricity signals.

Description

Myoelectric neck massage device and control method
Technical Field
The invention relates to the technical field of acquisition and processing of bioelectricity signals, in particular to a myoelectric neck massage device and a control method.
Background
Electromyographic signals (EMG) are a superposition of Motor Unit Action Potentials (MUAP) in a multitude of muscle fibers, both in time and space. The surface electromyogram Signal (SEMG) is the comprehensive effect of EMG of superficial muscles and electrical activity of nerve trunks on the surface of skin, and can reflect the activity of the nerve muscles to a certain extent; compared with needle electrode EMG, the SEMG has the advantages of non-invasiveness, no wound, simple operation and the like in measurement. Therefore, SEMG has important practical value in clinical medicine, human-machine efficiency, rehabilitation medicine, sports science and the like, and the surface electromyographic signal is an electrical signal accompanied by muscle contraction, and is an important method for non-invasively detecting muscle activity on the body surface. The detection and analysis method for analyzing the surface electromyogram signal also comprises a detection technology and a device, a method for controlling an external device by using the surface electromyogram signal feedback and the like. The application background mainly focuses on two fields of rehabilitation medicine and sports science.
The massage instrument is a health care instrument developed according to physics, bionics, bioelectricity, traditional Chinese medicine and years of clinical practice. However, massage instruments combined with electromyographic signal related technologies are rarely available in the market at present, the control part and the action part are still combined into an integrated device at present, the independence is poor, interference exists, and a user needs to complete a series of actions or take down the massage instrument to control in the using process; other remote control type massage devices may fail to control the massage device due to the loss of the remote controller.
Disclosure of Invention
To solve the above technical problems, the present invention aims to: provides a myoelectric neck massage device with simple control method and independent work of a control part and an action part.
The technical scheme adopted by the embodiment of the invention is as follows:
in one aspect, an embodiment of the present invention provides a myoelectric neck massage device, including:
the myoelectric bracelet is used for collecting and processing myoelectric signals, generating control instructions and sending the control instructions to the neck massage device;
the neck massage device is used for receiving the control command and completing the action; the neck massaging device includes a control portion and a peripheral portion, the control portion being nested within the peripheral portion.
Further, the flesh electricity bracelet includes: the electromyographic sensor is used for acquiring and processing electromyographic signals; the first control module is used for receiving the processed electromyographic signals, converting the processed electromyographic signals into control signals and sending the control signals to the neck massage device; the first power supply module is used for supplying power to the myoelectric sensor module and the first control module; the first control module is respectively connected with the electromyographic sensor and the first power supply module; the first power supply module is connected with the electromyographic sensor.
Further, the flesh electricity bracelet still includes: the first indicator light is used for displaying the working state of the myoelectricity bracelet; the second indicator light is used for displaying the connection state with the neck massage device; the first key is used for opening or closing the myoelectricity bracelet.
Further, the control section includes: the second control module is used for changing the current intensity and/or waveform according to the control signal of the myoelectricity bracelet; the output module is used for generating low-frequency pulses according to the changed current intensity and/or waveform; the metal electrode slice is used for outputting low-frequency pulses; the second power supply module is used for supplying power to the neck massage device; the peripheral circuit specifically comprises a single-polarity and double-polarity conversion circuit, a current limiting circuit and a constant current circuit; the second power supply module is respectively connected with the second control module and the output module; one end of the single-polarity and double-polarity conversion circuit is connected with the second control module, the other end of the single-polarity and double-polarity conversion circuit is connected with one end of the output module, the other end of the output module is connected with one end of the constant current circuit, the other end of the constant current circuit is connected with one end of the current limiting circuit, and the other end of the current limiting circuit is connected with the metal electrode plate.
Further, the control section further includes: the third indicator light is used for displaying the working state of the neck massage device; the second key is used for turning on or off the neck massage device; the fourth indicator light is used for displaying the connection state of the myoelectricity bracelet; and the third key is used for connecting or disconnecting the communication with the myoelectricity bracelet.
Further, neck massage device passes through the bluetooth with the flesh electricity bracelet and is connected.
In another aspect, an embodiment of the present invention provides a control method for a myoelectric neck massage device, for controlling the myoelectric neck massage device, including the following steps:
collecting an electromyographic signal through an electromyographic sensor of the electromyographic bracelet;
classifying the electromyographic signals;
converting the classification result into a control instruction and sending the control instruction to a control part of the neck massage device;
finishing actions according to the type of the control instruction; the control instructions include: a mode change command, a step up/down command, and an on/off operation mode command.
Further, the step of classifying the electromyographic signals specifically includes: detecting an active segment of the electromyographic signal; carrying out segmentation processing on the effective signals detected by the active segment; extracting characteristic parameters of the divided action signals to obtain characteristic vectors; performing dimension reduction processing on the feature vector; and classifying the feature vectors subjected to the dimension reduction treatment through a classifier to obtain a classification result.
Further, the step of completing the action according to the type of the control instruction specifically includes:
when the control instruction is a mode change instruction, outputting a corresponding unipolar signal according to the mode change instruction; converting the unipolar signal into a bipolar control signal; outputting the bipolar control signal to an electrode plate;
when the control command is a step number increase/decrease command: increasing the output current according to the gear number increasing instruction or decreasing the output current according to the gear number decreasing instruction;
when the control instruction is an on/off working mode instruction: and starting to output low-frequency pulses according to the working mode starting instruction or stopping outputting the low-frequency pulses according to the working mode closing instruction.
Further, the characteristic parameters include: root mean square value, mean absolute value, variance, waveform length, integral myoelectricity value, maximum value, minimum value, zero crossing rate, slope sign change number, Williams amplitude, mean amplitude change, and magnitude of muscle contraction force.
The invention has the beneficial effects that:
the system comprises the electromyographic bracelet and a neck massage device, wherein the electromyographic bracelet acquires, processes and judges electromyographic signals to form corresponding instructions, the main body part of the massager controls different operations according to the received instructions, the two parts work independently, only communication of control instructions is carried out between the two parts, mutual interference and influence are small, mutual dependency is low, the use is more convenient and fast, and the applicability is wide.
The control method provided by the invention has the advantages that the electromyographic signals of the arm actions of the user are collected through the electromyographic hand ring, the electromyographic signals are processed in a classified mode and correspondingly generated to generate control instructions and are sent to the neck massage device, the neck massage device completes corresponding actions according to the received instructions, the electromyographic signals in the control process directly come from muscle groups of corresponding parts of the user, the operation process is not complicated, other remote control devices are not needed, the control instructions are more accurate, and misoperation is avoided.
Drawings
Fig. 1 is a schematic structural view of a neck massage device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a myoelectric bracelet according to a specific embodiment of the invention;
fig. 3 is a wearing diagram of a myoelectric bracelet according to a specific embodiment of the invention;
FIG. 4 is a schematic diagram of the position of an electrode of an electrical signal acquisition channel of the electromyographic sensor according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a control center box of the myoelectric bracelet according to the embodiment of the invention;
FIG. 6 is a schematic view of the internal construction of a control center box according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a control part of the neck massaging device according to the embodiment of the present invention;
fig. 8 is a schematic view showing the internal structure of a control part of the neck massaging device in accordance with the embodiment of the present invention;
fig. 9 is a schematic view of the internal module components of the control portion of the neck massage apparatus according to the embodiment of the present invention;
FIG. 10 is a flowchart illustrating the steps of a method for controlling an electric neck massage apparatus according to the present invention;
fig. 11 is a flowchart illustrating steps of a method for controlling a myoelectric bracelet according to an embodiment of the present invention;
fig. 12 is a flowchart illustrating a method of controlling the neck massaging device according to an embodiment of the present invention.
Reference numerals: 1. a third indicator light; 2. a fourth indicator light; 3. a second key; 4. a third key; 5. a neck massage device control section; 6. an electrode sheet; 7. a neck massager peripheral portion; 8. a fixed layer; 9. a support pillar; 10. a second power supply module; 11. a second control module; 12. a peripheral circuit section; 13. a first tacky material; 14. an electromyographic sensor; 15. attaching the anchor layer, 16, a second adhesive material; 17. a central control box; 18. a first indicator light; 19. a second indicator light; 20. a first key; 21. a charging port; 22. a charging indicator light; 23. a first power supply module; 24. a first control module.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The step numbers in the following embodiments are provided only for convenience of illustration, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art.
Referring to fig. 1, the present invention provides a myoelectric neck massage device, including: myoelectric bracelet and neck massage device; referring to fig. 2, the myoelectric bracelet mainly includes a control center box 17 and a watchband, both ends (one end is an upper surface and the other end is a lower surface) of the watchband are respectively provided with a sticky material 13 and 16, such as a magic tape and a magnet, and referring to fig. 3, the whole bracelet can be comfortably fixed on the forearm of a user; the electromyographic sensor 14 is arranged on the lower surface of the central control box and penetrates through the watchband; referring to fig. 4, since the command operation of the present embodiment involves only the palm and the wrist, and is not complicated, the electromyographic sensor collects the electromyographic signals of the extensor muscles of the five fingers and the flexor carpi ulnaris. The control center box is fixed on the surface belt through a connecting and fixing layer 15; referring to fig. 5, one side of control center box is provided with charge mouth 21 and charge indicator 22, and the opposite side is provided with first indicator 18, second indicator 19 and first button 20, and indicator 18 lights when the bracelet is started up, and indicator 19 lights with the successful connection of neck massage device, presses the button and can let the muscle electricity bracelet start or shut down.
Referring to fig. 6, a first power module 23 and a first control module 24 are arranged in the central control box, and are both fixed in the central control box through a support column 9 (meanwhile, the support column also provides a support function for each module), and the first control module is respectively connected with the electromyographic sensor and the first power module; the first power supply module is also connected with the myoelectric sensor, supplies power to the first control module and the myoelectric sensor, and the first control module is used for processing and classifying the myoelectric signals collected by the myoelectric sensor, correspondingly generating control signals and sending the control signals to the neck massage device.
With reference to fig. 1, the neck massaging device comprises a control portion 5 and a peripheral portion 7, said control portion being nested within the peripheral portion; the control part is a main operation working part and comprises a control processing unit, an electrode plate and an external mechanical mechanism; the peripheral part is mainly comfortable soft filler, can overlap the mechanical control part inside, gives user's neck one deck mild, warm protection around the neck, and more relax and relieve when using, and removable design also makes things convenient for the user to wash the peripheral part moreover.
Referring to fig. 7, a third indicator light 1, a fourth indicator light 2, a second key 3 and a third key 4 are disposed on the outer surface of the control part; pressing a second key to open or close the massager, and pressing a third key to match with the myoelectric hand ring part; the massager turns on the third indicator light and turns on the fourth indicator light after successful connection; in addition, the outer surface of the control part is also provided with an electrode plate 6, and the output low-frequency pulse is output to the part of the neck of the human body needing massage through the electrode plate.
Referring to fig. 8 and 9, a fixing layer 8 is disposed inside the control portion, and the second control module 11, the second power module 10, and the peripheral circuit portion 12 are fixed on the fixing layer through a supporting pillar 9; the second power supply module is respectively connected with the second control module and the output module; one end of the single-polarity and double-polarity conversion circuit is connected with the second control module, the other end of the single-polarity and double-polarity conversion circuit is connected with one end of the output module, the other end of the output module is connected with one end of the constant current circuit, the other end of the constant current circuit is connected with one end of the current limiting circuit, and the other end of the current limiting circuit is connected with the metal electrode plate; the second control module receives the instruction from the myoelectric hand ring part and executes corresponding operation according to the instruction. When the instruction is in an output mode, the main control panel outputs a required waveform, and the waveform is input to the electrode plate through a single-polarity and double-polarity conversion circuit (low-frequency pulses of the massager are bipolar control signals with completely symmetrical positive and negative), a current limiting circuit and a constant current circuit; when the command is intensity increase and decrease, controlling the corresponding increase and decrease of the output current; when the command is in the closing working mode, the low-frequency pulse output to the electrode plate is stopped, and the electrode plate enters a waiting state of starting the working mode, and when the command is in the opening working mode, the electrode plate enters a waiting state of outputting the mode command.
As an implementation mode, the neck massage device is connected with the myoelectricity bracelet through Bluetooth.
Referring to fig. 10, an embodiment of the present invention further provides a control method of a myoelectric neck massage device, for controlling the myoelectric neck massage device, including the following steps:
s101, acquiring an electromyographic signal through an electromyographic sensor of an electromyographic bracelet; referring to fig. 11, when it is confirmed that the electromyographic bracelet is successfully connected to the neck massage device, two pairs of electrodes of the electromyographic sensor are used to collect electromyographic signals of two channels, namely extensor pentadactylis and flexor ulnaris, and the collected electromyographic signals are processed (filtered, amplified, etc.) and then transmitted to the main control module.
S102, classifying the electromyographic signals; specifically, firstly, the electromyographic signal is subjected to activity segment detection, and whether a contraction event of a muscle nerve unit occurs or not is determined from the SEMG through a detection algorithm, that is, sampling points of the start and the end of an action are found, in this embodiment, a moving average method is adopted for detection: on the myoelectricity bracelet, two sampling channels are provided, and if the average value of sampling of the two channels at the time t is x (t), the myoelectricity bracelet has
Figure BDA0002395146860000051
Setting window size as W64, window moving as WnEnergy E of the signal in each window, 32kComprises the following steps:
Figure BDA0002395146860000052
in the formula, xiIndicating the average of the samples of the two channels at the ith sample point during the active segment to which the window function moves. Then set the threshold value to TH, if Ek>TH, the active segment is the effective active segment; otherwise, the active segment is not a valid active segment. When E of a windowkE of two windows greater than TH and immediately followingkIf the values are all larger than TH, the action is judged to be started; when E of a windowkE of two windows not greater than TH and immediately followingkAnd if the value is not greater than TH, judging that the action is finished.
And then, carrying out segmentation processing on the detected effective signals by using a window function, and splitting the data by using an overlapping window signal segmentation mode so as to use small sections of current data to enter a characteristic extraction and pattern recognition process. The feature extraction process is to invoke a feature extraction algorithm to extract feature vectors from the segmented motion signals, and in this embodiment, a cascaded time domain-autoregressive parameter (TDAR) feature extraction method is adopted, and an AR autoregressive model is first constructed:
Figure BDA0002395146860000061
in the formula xiAmplitude, w, representing the ith sample point of the electromyographic signaliRepresenting a set of white noise series, p being the order of the AR model, where the parameter akCan be determined by a least squares method; characterized by the following time-domain parameters (where N is the signal length, x)iThe amplitude of the ith point of the electromyographic signal) and a related calculation formula:
root mean square value (RMS):
Figure BDA0002395146860000062
mean Absolute Value (MAV):
Figure BDA0002395146860000063
variance (VAR):
Figure BDA0002395146860000064
waveform Length (WL):
Figure BDA0002395146860000065
integrated myoelectric value (IEMG):
Figure BDA0002395146860000066
maximum value (MAX):
MAX＝Maximum(x1,x2,x3…xN) (9)
minimum (MIN):
MIN＝Minimum(x1,x2,x3…xN) (10)
zero crossing rate (ZC):
Figure BDA0002395146860000071
wherein
Figure BDA0002395146860000072
Δi＝|xi+1-xi|。
Slope sign change number (SSC):
Figure BDA0002395146860000073
williams Amplitude (WAMP)
Figure BDA0002395146860000074
Wherein
Figure BDA0002395146860000075
Δi＝|xi+1-xi|。
Mean amplitude change (AAC)
Figure BDA0002395146860000076
V-Order(V)：
Figure BDA0002395146860000077
In the formula (15), V-Order (abbreviated as V) means that the magnitude of the muscle contraction force is estimated approximately, and V and
Figure BDA0002395146860000078
is an index parameter. In the present embodiment, the amplitude of sEMG is generally proportional to muscle movement, so that the value obtained by averaging the amplitude of a certain segment of electromyographic signals can predict the magnitude of muscle movement force, and the prediction effect is best when v is 3.
Feature vectors are extracted by combining twelve feature parameters with an AR autoregressive model, and because the dimension of the feature vectors directly extracted by various methods is too high, the operation is long, and the classification of a trainer is not facilitated, the extracted feature vectors are subjected to dimension reduction processing, and classification and identification are performed on the electromyographic signals through a pre-trained classifier and the compressed feature vectors.
S103, converting the classification result into a control instruction and sending the control instruction to a control part of the neck massage device; specifically, the classification result is converted into a corresponding control instruction which is sent to the control part of the neck massager through a Bluetooth interface on the main control panel.
S104, completing actions according to the type of the control command; referring to fig. 12, the second control module of the neck massage device completes connection with the myoelectric bracelet first, and then performs type judgment on the received command of the myoelectric bracelet;
(1) when the command is a mode command, calling a relevant program to realize the output of a corresponding waveform according to a mode corresponding to the command, converting the output unipolar signal into a bipolar control signal with positive and negative symmetry, outputting the bipolar control signal to an electrode sheet through a current limiting and constant current circuit, and then keeping the current working state and waiting for the next command;
(2) when the command is a gear number increasing/decreasing command, increasing the output current by 0.5mA according to the gear increasing command or decreasing the output current by 0.5mA according to the gear decreasing command, and then keeping the current working state and waiting for the next command;
(3) and when the control instruction is an instruction for opening/closing the working mode, stopping the output of the low-frequency pulse according to the instruction for closing the working mode, waiting until the instruction for opening the working mode is received, and restarting the working.
In addition, the neck massage device of the embodiment inputs low-frequency pulses not greater than 100Hz to the neck position of the human body through the electrode plate, and simulates massage manipulations in three modes (massage, acupuncture and moxibustion and hammering) by controlling the output waveform shape and setting waveform output parameters, wherein the parameters respectively corresponding to the three modes are as follows:
the first mode is as follows: selecting the frequency of the massage mode: 10Hz-40Hz-100 Hz; waveform selection: combination of sine and trapezoidal waves
And a second mode: selecting acupuncture mode frequency: 2Hz stimulation and 100Hz stimulation; waveform selection: combination of sine and triangle waves
And a third mode: hammer mode frequency selection: 100 Hz; waveform selection: square waves;
the massage intensity can be controlled by changing the magnitude of the input current, and the input current does not exceed 5 mA; the range of the output current is 0.5 mA-5 mA, the intensity is divided into 10 gears according to the difference of 0.5mA of every two adjacent gears, the output current of the 1 st gear is 0.5mA, and the current of the 10 th gear is 5 mA.
Correspondingly, the action of the instruction operation is as follows:
(1) fist making: closing the working mode, and entering a state of waiting for an instruction of opening the working mode;
(2) stretching the thumb: starting a working mode and entering a waiting mode instruction state;
(3) stretching the forefinger to make a gesture "1": mode one (massage mode):
(4) simultaneously stretching the index finger and the middle finger to perform gesture '2': mode two (acupuncture mode);
(5) simultaneously stretching the middle finger, the ring finger and the little finger to make a gesture of "3": mode three (hammer mode);
(6) palm upward bending: increasing;
(7) turning the palm downwards: and (4) weakening.
Compared with the prior art, the myoelectric neck massage device and the control method have the following advantages:
1) the massage device comprises the myoelectricity bracelet and the neck massage device, the myoelectricity bracelet and the neck massage device work independently, only communication of control instructions is carried out between the myoelectricity bracelet and the neck massage device, mutual interference and influence are small, mutual dependency is low, the use is more convenient and fast, and the applicability is wide;
2) the periphery of the massage device is mainly provided with comfortable and soft fillers, the mechanical control part can be sleeved in the fillers, so that a layer of mild and warm protection is provided for the periphery of the neck of a user, the user can feel more relaxed and relaxed when using the massage device, and the detachable design is convenient for the user to clean the periphery of the outer layer;
3) the electromyographic signals of the massage device in the control process are directly from muscle groups of the corresponding parts of the user, the operation process is not complicated, other remote control devices are not needed, the control instruction is more accurate, and misoperation is avoided.
The step numbers in the above method embodiments are set for convenience of illustration only, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A myoelectric neck massage device, comprising: myoelectric bracelet and neck massage device;
the myoelectric bracelet is used for collecting and processing myoelectric signals, generating control instructions and sending the control instructions to the neck massage device;
the neck massage device is used for receiving the control command and completing the action;
the neck massaging device includes a control portion and a peripheral portion, the control portion being nested within the peripheral portion.
2. The myoelectric neck massage device according to claim 1, wherein the myoelectric bracelet comprises:
the electromyographic sensor is used for acquiring and processing electromyographic signals;
the first control module is used for receiving the processed electromyographic signals, converting the processed electromyographic signals into control signals and sending the control signals to the neck massage device;
the first power supply module is used for supplying power to the myoelectric sensor module and the first control module;
the first control module is respectively connected with the electromyographic sensor and the first power supply module; the first power supply module is connected with the electromyographic sensor.
3. The myoelectric neck massage device according to claim 2, wherein the myoelectric bracelet further comprises:
the first indicator light is used for displaying the working state of the myoelectricity bracelet;
the second indicator light is used for displaying the connection state with the neck massage device;
the first key is used for opening or closing the myoelectricity bracelet.
4. The myoelectric neck massage apparatus according to claim 1, wherein the control portion comprises:
the second control module is used for changing the current intensity and/or waveform according to the control signal of the myoelectricity bracelet;
the output module is used for generating low-frequency pulses according to the changed current intensity and/or waveform;
the metal electrode slice is used for outputting low-frequency pulses;
the second power supply module is used for supplying power to the neck massage device;
the peripheral circuit specifically comprises a single-polarity and double-polarity conversion circuit, a current limiting circuit and a constant current circuit;
the second power supply module is respectively connected with the second control module and the output module; one end of the single-polarity and double-polarity conversion circuit is connected with the second control module, the other end of the single-polarity and double-polarity conversion circuit is connected with one end of the output module, the other end of the output module is connected with one end of the constant current circuit, the other end of the constant current circuit is connected with one end of the current limiting circuit, and the other end of the current limiting circuit is connected with the metal electrode plate.
5. The myoelectric neck massage apparatus according to claim 4, wherein the control portion further comprises:
the third indicator light is used for displaying the working state of the neck massage device;
the second key is used for turning on or off the neck massage device;
the fourth indicator light is used for displaying the connection state of the myoelectricity bracelet;
and the third key is used for connecting or disconnecting the communication with the myoelectricity bracelet.
6. An electromyographic neck massage apparatus according to any of claims 1 to 5, wherein the neck massage apparatus is connected to an electromyographic bracelet via Bluetooth.
7. A control method of a myoelectric neck massage device is characterized by comprising the following steps:
collecting an electromyographic signal through an electromyographic sensor of the electromyographic bracelet;
classifying the electromyographic signals;
converting the classification result into a control instruction and sending the control instruction to a control part of the neck massage device;
finishing actions according to the type of the control instruction;
the control instructions include: a mode change command, a step up/down command, and an on/off operation mode command.
8. The method for controlling an electromyographic neck massaging device according to claim 7, wherein the step of classifying the electromyographic signals specifically comprises:
detecting an active segment of the electromyographic signal;
carrying out segmentation processing on the effective signals detected by the active segment;
extracting characteristic parameters of the divided action signals to obtain characteristic vectors;
performing dimension reduction processing on the feature vector;
and classifying the feature vectors subjected to the dimension reduction treatment through a classifier to obtain a classification result.
9. The method for controlling an electromyographic neck massaging device according to claim 7, wherein the step of performing an action according to the type of the control command specifically comprises:
when the control command is a mode change command:
outputting a corresponding unipolar signal according to the mode change instruction;
converting the unipolar signal into a bipolar control signal;
outputting the bipolar control signal to an electrode plate;
when the control command is a step number increase/decrease command:
increasing the output current according to the gear number increasing instruction or decreasing the output current according to the gear number decreasing instruction;
when the control instruction is an on/off working mode instruction:
and starting to output low-frequency pulses according to the working mode starting instruction or stopping outputting the low-frequency pulses according to the working mode closing instruction.
10. The control method of an electromyographic neck massage apparatus according to claim 8, wherein the characteristic parameters comprise: root mean square value, mean absolute value, variance, waveform length, integral myoelectricity value, maximum value, minimum value, zero crossing rate, slope sign change number, Williams amplitude, mean amplitude change, and magnitude of muscle contraction force.
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