CN115957444A - Tremor massage control method and device, massage instrument, electronic device and storage medium - Google Patents

Tremor massage control method and device, massage instrument, electronic device and storage medium Download PDF

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CN115957444A
CN115957444A CN202310036191.6A CN202310036191A CN115957444A CN 115957444 A CN115957444 A CN 115957444A CN 202310036191 A CN202310036191 A CN 202310036191A CN 115957444 A CN115957444 A CN 115957444A
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energy threshold
user
vibration
tremor
signal
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张琦伟
杨震
陈淞
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SKG Health Technologies Co Ltd.
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Abstract

The invention provides a tremor massage control method, a tremor massage control device, a massage instrument, electronic equipment and a storage medium, which belong to the technical field of automatic control and comprise the following steps: acquiring a PPG signal of the target part of the user according to the electric pulse debugging signal output to the target part of the user; determining a vibration energy threshold of a target part of a user according to the PPG signal; determining a pain sensation energy threshold according to the vibration energy threshold; and outputting an electric pulse to the target part of the user based on the vibration energy threshold and the pain energy threshold. According to the invention, the vibration energy threshold is determined by obtaining the PPG signal of the target part of the user, and then the pain sensation energy threshold is determined according to the vibration energy threshold, so that the optimal output energy value range of the electric pulse is obtained, the individual difference of the user can be effectively adapted, the effective tremor massage effect can be ensured, the discomfort caused by the pain sensation of the user due to overlarge electric pulse energy can be avoided, and the use experience of the user is improved.

Description

Tremor massage control method and device, massage instrument, electronic equipment and storage medium
Technical Field
The invention relates to the technical field of automatic control, in particular to a tremor massage control method and device, a massage instrument, electronic equipment and a storage medium.
Background
Tremor massage is one of the essential elements of physical massage practice, and uses include pain management, relaxation of spasms, prevention and delay of disuse atrophy, increased local blood circulation, rehabilitation, and the like.
The current tremor massage method adopted by the equipment with the tremor massage function can not effectively identify the individual difference of users, so that the difference of the current and the input power of the same power applied to different users or different body parts of the same user is very large.
For example, when the existing tremor massage apparatus applies the same intensity of current or input power to different users or different parts of the same user, it causes a great difference in the body feeling, especially the pain feeling of each user.
Therefore, the tremor massage methods of the prior art suffer from a drawback of insufficient adaptability to individual variability.
Disclosure of Invention
The invention provides a tremor massage control method, a device, a massage instrument, electronic equipment and a storage medium, which are used for improving the adaptability of the tremor massage method to individual differences.
In a first aspect, the present invention provides a tremor massage control method, comprising: acquiring a PPG signal of a user target part according to an electric pulse debugging signal output to the user target part; determining a vibration energy threshold of the user target site from the PPG signal; determining a pain energy threshold according to the vibration energy threshold; outputting an electrical pulse to the user target site based on the vibrational energy threshold and the pain sensation energy threshold; the energy value of the electrical pulse is greater than the vibration energy threshold and less than the pain energy threshold.
According to the tremor massage control method provided by the invention, the method for acquiring the PPG signal of the target part of the user according to the electric pulse debugging signal output to the target part of the user comprises the following steps: and sequentially acquiring PPG signals of the target part of the user within a preset time according to the electric pulse debugging signals with the energy step increase output to the target part of the user.
According to the tremor massage control method provided by the invention, the determining the vibration energy threshold of the target part of the user according to the PPG signal comprises the following steps: respectively reading PPG segmented signals in a plurality of time intervals in the preset duration according to the PPG signals; sequentially determining a vibration characteristic parameter and a pulse wave characteristic parameter corresponding to each PPG segmented signal according to each PPG segmented signal; determining excitation characteristic parameters in a time interval of each PPG segmented signal according to the vibration characteristic parameters and the pulse wave characteristic parameters; determining the vibration energy threshold value based on the energy value of the electric pulse debugging signal in the target time interval; wherein the target time interval is a first time interval in which the excitation characteristic parameter is greater than a preset parameter.
According to the tremor massage control method provided by the invention, the step of determining the vibration characteristic parameters and the pulse wave characteristic parameters in the time interval of each PPG segmented signal according to each PPG segmented signal in sequence comprises the following steps: acquiring a characteristic value of any frequency signal on a vibration main energy frequency band in each PPG segmented signal, and calculating a geometric mean of all the characteristic values as the vibration characteristic parameter; and acquiring a characteristic value of any frequency signal on a main energy frequency band of a pulse wave in each PPG segmented signal, and calculating a geometric mean of all the characteristic values as the characteristic parameter of the pulse wave.
According to the tremor massage control method provided by the invention, the determining of the excitation characteristic parameter in the time interval of each PPG segmented signal according to the vibration characteristic parameter and the pulse wave characteristic parameter comprises the following steps: and determining the excitation characteristic parameter in the time interval of each PPG segmented signal according to the ratio of the vibration characteristic parameter to the pulse wave characteristic parameter.
According to the tremor massage control method provided by the invention, before reading the PPG segmented signals in a plurality of time intervals within the preset duration, the method further comprises: and dividing the preset time into a plurality of time intervals based on the adjusting moment of the energy step increase of the electric pulse debugging signal.
According to the tremor massage control method provided by the invention, the determining of the pain sensation energy threshold according to the vibration energy threshold comprises the following steps: inquiring conversion multiplying power from a pre-constructed pain threshold parameter table based on the working frequency of the electric pulse; determining the pain sensation energy threshold according to the conversion multiplying power and the vibration energy threshold; the pain threshold parameter table records the conversion multiplying power between the vibration energy threshold and the pain sensation energy threshold under different working frequencies.
According to the tremor massage control method provided by the invention, the outputting of the electric pulse to the target part of the user based on the vibration energy threshold and the pain energy threshold comprises the following steps: determining a vibration voltage threshold and a pain voltage threshold based on the vibration energy threshold, the pain energy threshold, and the operating frequency of the electrical pulse; selecting and operating a target operating gear based on the vibration voltage threshold, the pain sense voltage threshold and the historical tremor massage control record of the user; outputting an electrical pulse to the user target site; the voltage of the electrical pulse corresponds to the target operating range.
According to the invention, the tremor massage control method further comprises the following steps: acquiring a vibration energy threshold and a pain sensation energy threshold of the target part of the user according to a preset sampling period; to adjust the energy value of the electrical pulse in accordance with the threshold vibration energy and threshold pain energy collected during each sampling period.
In a second aspect, the present invention also provides a tremor massage control device, comprising: the signal acquisition unit is used for acquiring a PPG signal of a user target part according to the electric pulse debugging signal output to the user target part; a threshold scanning unit for determining a vibration energy threshold of the target part of the user according to the PPG signal; the pain sense measuring unit is used for determining a pain sense energy threshold according to the vibration energy threshold; the pulse output unit is used for outputting an electric pulse to the target part of the user based on the vibration energy threshold and the pain sensation energy threshold; wherein the energy value of the electrical pulse is greater than the vibrational energy threshold and less than the pain sensation energy threshold.
In a third aspect, the invention also provides a massage apparatus, which at least comprises the tremor massage control device.
In a fourth aspect, the present invention further provides an electronic device, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the steps of any of the tremor massage control methods described above.
In a fifth aspect, the invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the tremor massage control method as described in any of the above.
In a sixth aspect, the present invention also provides a computer program product comprising a computer program which, when executed by a processor, carries out the steps of the tremor massage control method according to any of the above.
According to the tremor massage control method, the device, the massage instrument, the electronic equipment and the storage medium, the vibration energy threshold value is determined by obtaining the PPG signal of the target part of the user, and then the pain sensation energy threshold value is determined according to the vibration energy threshold value, so that the optimal output energy value range of the electric pulse is obtained, the individual difference of the user can be effectively adapted, the effective tremor massage effect can be ensured, meanwhile, the situation that the user feels uncomfortable due to the pain sensation caused by the overlarge electric pulse energy can be avoided, and the use experience of the user is improved.
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In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a tremor massage control method provided by the present invention;
FIG. 2 is a schematic representation of different nerve fibers provided by the present invention being activated by electrical stimulation;
FIG. 3 is a diagram of PPG signals under different debugging signals of constant voltage electric pulses provided by the present invention;
FIG. 4 is a schematic structural diagram of a tremor massage control device provided by the present invention;
FIG. 5 is a second schematic structural diagram of the tremor massage control device provided by the present invention;
fig. 6 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, in the description of the embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element. The terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like in this application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one.
Fig. 1 is a schematic flow chart of a tremor massage control method provided by the present invention, as shown in fig. 1, including but not limited to the following steps:
step 101: and acquiring a PPG signal of the target part of the user according to the electric pulse debugging signal output to the target part of the user.
Specifically, the user target site refers to a body surface skin of the user, for example, the skin of the inner sides of the left and right forearms of the user near the elbow can be used as the user target site for electric pulse debugging. The electric pulse debugging signal is mainly used for electrically stimulating neurons and muscle cells under the target part of the user, so that a PPG signal of the target part of the user can be obtained. The PPG signal is a Photoplethysmography (PPG) signal, and the obtained PPG signal at the target site of the user can reflect dynamic changes of muscle cells subjected to electrical stimulation.
For example, fig. 2 is a schematic diagram of different nerve fibers activated by electrical stimulation according to the present invention, and as shown in fig. 2, the magnitude and duration of the current required for the different nerve fibers to be activated by electrical stimulation may also be different. Meanwhile, after different nerve fibers are activated by electrical stimulation, the feeling and feeling correspondingly reflected to the user are different.
It should be noted that, due to the difference between different users, the magnitude and duration of the current required for the electrical stimulation activation of the nerve fibers of different users will also be different. Therefore, in the schematic diagram provided in this embodiment, when the user changes, the schematic diagram of different nerve fibers activated by electrical stimulation also changes.
As an alternative embodiment, the PPG signal at the target site of the user may be a PPG signal generated by electrically stimulating muscle cells at the target site of the user. Of course, in other embodiments, the PPG signal of the target portion of the user may be a PPG signal generated by electrical stimulation of other cells, such as neurons, of the target portion of the user. For convenience of description, muscle cells are taken as examples in the following examples.
Step 102: a vibration energy threshold for a target site of the user is determined from the PPG signal.
Specifically, when the vibration energy threshold of the target part of the user is determined according to the PPG signal, the vibration energy threshold of the target part of the user can be determined by judging whether the energy of the electric pulse debugging signal output to the target part of the user reaches the limit of activating muscle cells by electric stimulation.
For example, when the voltage of the output electric pulse debugging signal is 5V, the muscle cell is not activated by the electric stimulation; since the energy value of the electrical pulse debug signal is in a positive correlation with the voltage of the electrical pulse debug signal, when the voltage of the electrical pulse debug signal increases, the energy value of the electrical pulse debug signal also increases. When the voltage of the output electric pulse debugging signal is adjusted to 6V, the muscle cells are just activated by electric stimulation, and slight muscle vibration occurs, so that the energy value of the electric pulse debugging signal corresponding to the electric pulse debugging signal with the voltage of the electric pulse debugging signal of 6V can be determined as the vibration energy threshold.
Step 103: and determining the pain sensation energy threshold according to the vibration energy threshold.
Specifically, the pain sensation energy threshold refers to the energy value of the electric pulse adjusting signal when the energy value of the electric pulse adjusting signal is too large, and when a certain threshold value is exceeded, the user is caused to feel pain, that is, the neurons on the pain nerve fibers of the user are activated by electric stimulation.
It should be noted that the more the energy value of the electric pulse modulation signal exceeds the pain energy threshold, the more obvious the pain feeling is felt by the user.
The pain sensation energy threshold value can be calculated by the product of the vibration energy threshold value and the conversion multiplying power.
Different conversion multiplying powers can be preset according to different user groups, different target parts of users, or other factors influencing the corresponding relation between the vibration energy threshold and the pain sensation energy threshold.
For example, if it is determined that the user group is an old person or a young child, the conversion rate may be set to be 1.5 times lower, that is, the pain energy threshold is 1.5 times the vibration energy threshold; if the user group is determined to be young and strong, the conversion multiplying power can be adjusted to be 2 times higher. Correspondingly, if the target part of the user is the facial skin, the conversion magnification can be adjusted to be 1.5 times lower; if the target part of the user is the articular skin, the conversion magnification can be adjusted to be 2 times higher.
Further, the conversion magnification may also be adjusted simultaneously in combination with the difference between the user population and the user target site, for example: if the user group is determined to be young and the target part of the user is the facial skin, the conversion magnification can be adjusted to be 1.8 times.
Step 104: and outputting an electric pulse to the target part of the user based on the vibration energy threshold and the pain energy threshold.
It is emphasized that the energy value of the electrical pulses is typically somewhat greater than the vibrational energy threshold and less than the pain energy threshold.
Specifically, when the vibration energy threshold and the pain energy threshold are determined, the output energy value range of the electrical pulse can be determined.
At the moment, because the energy value of the electric pulse is larger than the vibration energy threshold, the muscle cells of the target part of the user are electrically stimulated and activated, effective tremor massage can be carried out, and the effects of relaxing muscle spasm, preventing and delaying disuse atrophy and other effective massage are achieved.
Meanwhile, because the energy value of the electric pulse is smaller than the pain sensation energy threshold value, when the target part of the user receives the electric pulse to carry out tremor massage, the situation that the user feels pain or even is not comfortable due to overlarge energy value of the electric pulse is avoided.
According to the tremor massage control method provided by the invention, the vibration energy threshold is determined by obtaining the PPG signal of the target part of the user, and then the pain sensation energy threshold is determined according to the vibration energy threshold, so that the optimal output energy value range of the electric pulse is obtained, the individual difference of the user can be effectively adapted, the effective tremor massage effect can be ensured, the discomfort of the user caused by the pain sensation due to overlarge electric pulse energy can be avoided, and the use experience of the user is improved.
Based on the content of the foregoing embodiment, as an optional embodiment, the step 101 of acquiring a PPG signal of a target area of a user according to an electrical pulse debug signal output to the target area of the user includes:
and sequentially acquiring PPG signals of the target part of the user according to the electric pulse debugging signals with the energy step increase output to the target part of the user within a preset time length.
Specifically, within a preset time length, an electric pulse debugging signal with step-increased energy is output to the target part of the user. The preset time is the output time of the electric pulse debugging signal, and can be preset according to the specific use scene requirements. The electric pulse debugging signal with the energy step increased refers to that the energy value of the electric pulse debugging signal is gradually increased by taking a fixed value as a unit.
Since the energy value of the electrical pulse debug signal and the voltage of the electrical pulse debug signal are in a positive correlation, when the voltage of the electrical pulse debug signal increases in steps, the energy value of the electrical pulse debug signal also increases in steps.
For example, the massage apparatus for tremor massage outputs 10 sections of electrical pulse debugging signals with step-increased energy to a target part of a user, the pulse duration of each section of electrical pulse debugging signal is 5 seconds, the voltage of the first section of electrical pulse debugging signal is 1V, the electrical pulse debugging signals are gradually increased by taking a fixed value of 1V as a unit, the voltage of the second section of electrical pulse debugging signal is 2V, the voltage of the third section of electrical pulse debugging signal is 3V \8230, 8230, the voltage of the tenth section of electrical pulse debugging signal is 10V, and the preset duration is 50 seconds.
Based on the content of the foregoing embodiment, as an optional embodiment, the step 102 of determining the vibration energy threshold of the target portion of the user according to the PPG signal includes:
respectively reading PPG segmented signals in a plurality of time intervals in a preset time length;
determining a vibration characteristic parameter and a pulse wave characteristic parameter corresponding to each PPG segmented signal according to each PPG segmented signal in sequence;
determining excitation characteristic parameters of each PPG segmented signal in a time interval according to the vibration characteristic parameters and the pulse wave characteristic parameters;
a vibration energy threshold is determined based on the energy value of the electrical pulse commissioning signal within the target time interval.
The target time interval may be a first time interval in which the excitation characteristic parameter is greater than a preset parameter.
Specifically, the PPG segmented signals within a plurality of time intervals within a preset duration are read respectively, and in the above embodiment, for example, after each electrical pulse debugging signal is output to the target region of the user, the PPG device can read the corresponding PPG segmented signal, and after 10 electrical pulse debugging signals with step-increased energy are output (the pulse duration of each electrical pulse debugging signal is 5 seconds), the PPG segmented signals within 10 time intervals are received.
Further, after 10 PPG segmentation signals within the time interval are respectively read, the corresponding vibration characteristic parameter and pulse wave characteristic parameter can be sequentially determined from each PPG segmentation signal.
The vibration characteristic parameter refers to a characteristic parameter of muscle vibration, for example, a characteristic of extracting a frequency of 4Hz or more from the PPG segmented signal, including characteristics such as an amplitude, a phase, and an effective value (RMS).
The pulse wave characteristic parameter is a characteristic parameter of a pulse wave, and for example, a characteristic having a frequency of 3Hz or less, including an amplitude, a phase, and an RMS value, is extracted from the PPG segmented signals.
After the vibration characteristic parameters and the pulse wave characteristic parameters in each section of PPG segmented signals are determined in sequence, the excitation characteristic parameters in the corresponding time interval in each section of PPG segmented signals can be determined in sequence
Wherein, the excitation characteristic parameter can be determined by the ratio result of the vibration characteristic parameter and the pulse wave characteristic parameter.
And finally, determining a vibration energy threshold value through the energy value of the electric pulse debugging signal in a target time interval, wherein the target time interval is the first time interval of which the excitation characteristic parameter is greater than the preset parameter. That is, when the excitation characteristic parameter is greater than the preset parameter, it is considered that the muscle cells are activated by the electrical stimulation, the muscle has a slight vibration phenomenon, and the user has entered the tremor massage.
It should be noted that the preset parameter is preset according to the specific scene usage requirement, and the preset parameter may be preset to a fixed value, for example, the preset parameter is preset to 0.5; the preset parameter may be preset to be 3 times of the excitation characteristic parameter in the first time interval, for example, if the excitation characteristic parameter in the first time interval is 0.15, the preset parameter is 0.45.
As an alternative embodiment, fig. 3 is a schematic diagram of PPG signals under different constant-voltage electric pulse debugging signals provided by the present invention, as shown in fig. 3:
when different constant voltage electric pulse debugging signals are output to the skin on the inner side of the left forearm close to the elbow, the received PPG signals are shown schematically. The different constant-voltage electric pulse debugging signals are specifically that the voltage is increased to 12V step by step from 1V by taking a fixed value 1V step as a unit, 12 different constant-voltage electric pulse debugging signals are totally obtained, each electric pulse debugging signal is a bipolar square wave, the pulse width is 400us, the positive and negative are 200us respectively, the pulse duration of each electric pulse debugging signal is 7 seconds, and the frequency of each electric pulse debugging signal is 5Hz.
According to the tremor massage control method provided by the invention, the electrical pulse debugging signals with the energy step increased are output to the target part of the user, the muscle vibration characteristic coefficient and the pulse wave characteristic parameter are analyzed through the read PPG signals to obtain the excitation characteristic parameter, and finally the vibration energy threshold is determined through the excitation characteristic parameter, so that the output electrical pulse can be effectively ensured to adapt to the difference of different users, and the effective tremor massage effect can be achieved for each user.
Based on the content of the foregoing embodiment, as an optional embodiment, sequentially determining the vibration characteristic parameter and the pulse wave characteristic parameter in the time interval in which each PPG segmented signal is located according to each PPG segmented signal includes:
acquiring a characteristic value of any frequency signal on a vibration main energy frequency band in each PPG segmented signal, and calculating a geometric mean of all the characteristic values as a vibration characteristic parameter;
and acquiring a characteristic value of any frequency signal on a main energy frequency band of the pulse wave in each PPG segmented signal, and calculating a geometric mean of all the characteristic values as a pulse wave characteristic parameter.
Specifically, after the feature value of any frequency signal on the vibration main energy frequency band in each PPG segmented signal is obtained, the geometric mean of all the feature values may be calculated as the vibration feature parameter.
The vibration main energy frequency band may be a main energy frequency band of muscle vibration, and may be obtained by extracting a frequency band with a frequency of 4Hz or higher in each PPG segmented signal.
Geometric mean is the root of the continuous product of the individual eigenvalues to the power of the term. For example, the RMS value of any frequency signal in the main frequency band of vibration in each PPG segmented signal can be obtained, and the geometric mean of all RMS values is calculated as the vibration characteristic parameter.
In addition, after the characteristic value of any frequency signal on the main energy frequency band of the pulse wave in each PPG segmented signal is acquired, the geometric mean of all the characteristic values can be calculated to serve as the characteristic parameter of the pulse wave. The pulse wave main energy frequency band can be obtained by extracting a frequency band with the frequency of less than 3Hz in each PPG segmented signal.
According to the tremor massage control method provided by the invention, the vibration characteristic parameters and the pulse wave characteristic parameters are obtained by calculating all the characteristic values to obtain the geometric mean, and the mean development speed of each characteristic value can be better reflected, so that the variation trend of each characteristic value is effectively captured, and the representativeness of the vibration characteristic parameters and the pulse wave characteristic parameters is improved.
Based on the content of the foregoing embodiment, as an optional embodiment, determining an excitation characteristic parameter in a time interval in which each PPG segmented signal is located according to the vibration characteristic parameter and the pulse wave characteristic parameter includes:
and determining the excitation characteristic parameter of each PPG segmented signal in the time interval according to the ratio of the vibration characteristic parameter to the pulse wave characteristic parameter.
Specifically, after the vibration characteristic parameter and the pulse wave characteristic parameter of a section of PPG segmented signal are obtained through calculation, the excitation characteristic parameter in the time interval where the PPG segmented signal is located can be determined through the ratio between the vibration characteristic parameter and the pulse wave characteristic parameter, and the specific calculation process can be obtained through the following formula (1), specifically:
Figure BDA0004042170750000121
wherein H 0 Is an excitation characteristic parameter; f. of 0 The heartbeat main frequency of the user; f. of 1 Is the main energy band of muscle vibration; f. of 2 Is the main energy band of the pulse wave; a. The f1 The amplitude of any frequency signal on the main energy frequency band of muscle vibration; a. The f2 Is the amplitude of any frequency signal on the main energy band of the pulse wave.
According to the tremor massage control method provided by the invention, the excitation characteristic parameter is obtained by calculating the ratio of the vibration characteristic parameter to the pulse wave characteristic parameter, and when the excitation characteristic parameter is increased, the increase trend of the vibration characteristic parameter is far greater than that of the pulse wave characteristic parameter, namely, the muscle cells of a user are more and more active, so that the tremor massage effect is effectively reflected.
Based on the content of the foregoing embodiment, as an optional embodiment, before reading the PPG segmented signals in a plurality of time intervals within a preset time duration, the method further includes:
the preset duration is divided into a plurality of time intervals based on the adjustment time of the step increase of the energy of the electric pulse debugging signal.
Specifically, table 1 is a characteristic information table under stimulation by different constant voltage electric pulse debug signals at a frequency of 5Hz, as shown in table 1, when the voltage of the electric pulse debug signal starts from 1V, the voltage is gradually stepped up to 12V with a fixed value of 1V as a unit, and 12 different constant voltage electric pulse debug signals are obtained, then the preset duration can be divided into 12 time intervals based on the adjustment time of the stepped increase of the energy of the electric pulse debug signal, and a corresponding PPG segmented signal can be obtained in each time interval.
TABLE 1 characteristic information table under different constant voltage electric pulse debugging signal stimulation under 5Hz frequency
Voltage of 1V 2V 3V 4V 5V 6V
Muscular sensation Without sense of touch Non-sense of touch Non-sense of touch Without sense of touch Without sense of touch Sense of slight shock
Pain sense Without sense of touch Without sense of touch Without sense of touch Non-sense of touch Without sense of touch Non-sense of touch
H 0 0.2 0.18 0.21 0.23 0.22 0.32
Voltage of 7V 8V 9V 10V 11V 12V
Muscular sensation Contraction of muscle Contraction of muscles Contraction of muscles Contraction of muscles Contraction of muscles Rigid contraction
Pain sensation Non-sense of touch Non-sense of touch Non-sense of touch Slight stabbing pain Stabbing pain Prick pain of little finger
H 0 0.41 0.53 0.58 0.62 0.66 0.73
According to the tremor massage control method provided by the invention, the preset time is divided into a plurality of time intervals based on the adjustment time of the energy step increase of the electric pulse debugging signals, so that different effects of the electric pulse debugging signals with different energy values on the target part of a user can be detected, and further, the energy values of the electric pulse debugging signals when muscle cells are electrically stimulated and activated can be effectively captured, and the vibration energy threshold can be conveniently determined subsequently.
Based on the above description of the embodiments, as an alternative embodiment, the determining the pain sensation energy threshold value according to the vibration energy threshold value includes:
inquiring conversion multiplying power from a pre-constructed pain threshold parameter table based on the working frequency of the electric pulse;
determining a pain sensation energy threshold according to the conversion rate and the vibration energy threshold;
the pain threshold value parameter table records the conversion multiplying power between the vibration energy threshold value and the pain sensation energy threshold value under different working frequencies.
Generally, under the action of the constant voltage electric pulse signal, when the working frequency of the constant voltage electric pulse is multiplied by 10 times, the impedance of the human body is reduced by about 3 times, and the current in the human body is increased by 3 times. Therefore, when the constant voltage electric pulses are at different operating frequencies, the current generated by the human body will also be different, resulting in different energy values of the constant voltage electric pulses, and thus different effects on the muscle cells and the neurons.
Therefore, according to the corresponding relation between the working frequency of the constant voltage electric pulse and the action of the constant voltage electric pulse on muscle cells and neurons, the conversion multiplying power under different working frequencies can be determined by outputting a constant voltage electric pulse debugging signal to the target part of the user under different working frequencies and based on the vibration energy threshold and the pain sensation energy threshold acquired by the PPG signal of the target part of the user, so that the pain threshold parameter table can be constructed in advance.
As shown in table 1, when the operating frequency of the constant voltage electric pulse debug signal is 5Hz and the voltage of the constant voltage electric pulse debug signal reaches 6V, the muscle cells have slight shock, and at this time, the vibration energy threshold can be directly obtained by the output device reading the constant voltage electric pulse debug signal, for example, E1. When the voltage of the constant voltage electric pulse debugging signal reaches 10V, the pain neuron is activated by electric stimulation, and pain starts to appear, and the pain energy threshold value can be directly obtained by an output device for reading the constant voltage electric pulse debugging signal, such as E2. Therefore, the ratio of the pain sensation energy threshold to the vibration energy threshold (i.e., the conversion rate) can be calculated as E2/E1 times, i.e., when the constant voltage electric pulse has an operating frequency of 5Hz, the corresponding conversion rate is E2/E1 times.
Therefore, after the conversion multiplying power is determined from the pain threshold parameter table constructed in advance according to the working frequency of the electric pulse, the pain energy threshold can be obtained through calculation of the vibration energy threshold.
According to the tremor massage control method provided by the invention, through the pain threshold parameter table which is constructed in advance, the conversion multiplying power can be obtained by directly looking up the table after the working frequency of the electric pulse is determined, so that when the vibration energy threshold is determined subsequently, the pain energy threshold can be quickly calculated and obtained, data support is provided for the energy value interval range when the electric pulse can effectively perform tremor massage, and meanwhile, the condition that pain neurons of a user need to be stimulated to obtain the pain energy threshold when the electric pulse is output every time an electric pulse debugging signal is avoided, so that the pain feeling of the user is avoided, and the use experience of the user is improved.
Based on the above description of the embodiments, as an alternative embodiment, outputting an electric pulse to a target site of a user based on the vibration energy threshold and the pain energy threshold includes:
determining a vibration voltage threshold and a pain voltage threshold based on the vibration energy threshold, the pain energy threshold, and the operating frequency of the electrical pulse;
selecting and operating a target operating gear based on the vibration voltage threshold, the pain sense voltage threshold and the historical tremor massage control record of the user;
outputting an electrical pulse to the user target site;
the voltage of the electrical pulse corresponds to the target operating range.
Specifically, due to the varying nature of the body impedance, the body impedance drops by a factor of about 3 each time the operating frequency of the electrical pulses is multiplied by a factor of 10. And the energy value of the electric pulse can be calculated by the following formula (2), specifically:
Figure BDA0004042170750000151
wherein E is the energy value of the electrical pulse; u is the voltage of the electrical pulse; r is the human body impedance; t is the pulse output duration of the electrical pulse.
Therefore, the electrical pulse debugging signal is output to the target part of the user, the PPG signal of the target part of the user is obtained to obtain the vibration energy threshold, and the vibration voltage threshold of the electrical pulse debugging signal is obtained through the output equipment for reading the electrical pulse debugging signal. Wherein, the vibration voltage threshold is that when the voltage of the electric pulse debugging signal reaches the threshold, muscle cells are activated by electric stimulation, and a user enters the process of tremor massage. For example, as shown in table 1, the vibration voltage threshold is 6V.
Because the working efficiency of the electric pulse is usually larger than the working frequency of the electric pulse debugging signal when the electric pulse debugging signal works actually. At this time, the impedance of the human body decreases, and in order to ensure that the energy value of the electric pulse is greater than the vibration energy threshold and less than the pain sensation energy threshold, the vibration voltage threshold of the electric pulse needs to be correspondingly adjusted, and the specific adjustment can be obtained by the following formula (3):
Figure BDA0004042170750000161
wherein, V f Is the vibration voltage threshold of the electrical pulse; v f0 Debugging the vibration voltage threshold of the signal for the electric pulse; f is the working frequency of the electric pulse; f. of 0 The operating frequency of the signal is tuned for the electrical pulses.
For example, if the read vibration voltage threshold is 6V when the operating frequency of the electric pulse debug signal is 5Hz, and the operating frequency of the electric pulse during actual operation is 45Hz, the vibration voltage threshold of the electric pulse during actual operation can be calculated by the formula (3) to be 2V.
In addition, the electric pulse debugging signal can be output to the target part of the user, the PPG signal of the target part of the user is obtained to obtain the pain sensation energy threshold, and the pain sensation voltage threshold of the electric pulse debugging signal is obtained through an output device for reading the electric pulse debugging signal. The pain sense voltage threshold is that when the voltage of the electric pulse debugging signal reaches the threshold, the pain sense neuron is activated by electric stimulation, and the user feels the pain sense. For example, as shown in Table 1 above, the pain threshold voltage is 10V.
Therefore, in practice, the pain voltage threshold of the electrical pulse also needs to be adjusted accordingly, and the specific adjustment can be obtained by the following formula (4):
Figure BDA0004042170750000162
wherein, V' f A pain sensation voltage threshold that is an electrical pulse; v' f0 The pain voltage threshold of the signal is adjusted for the electrical pulse.
For example, if the read vibration voltage threshold is 9V when the operating frequency of the electric pulse debug signal is 5Hz, and the operating frequency of the electric pulse during actual operation is 45Hz, the vibration voltage threshold of the electric pulse during actual operation is 3V, which can be calculated by the formula (4).
Then, based on the vibration voltage threshold, the pain sense voltage threshold and the historical tremor massage control record of the user, the target operation gear of the electric pulse can be intelligently selected, and the user can also autonomously select the target operation gear.
Taking the example that the vibration voltage threshold is 6V and the pain sense voltage threshold is 10V as an example, the operation gear when the electric pulse voltage is 6V-8V can be set as a first gear, specifically a relatively mild tremor massage gear; the running gear when the electric pulse voltage is 8V-10V is set as a second gear, in particular to a high-efficiency painless tremor massage gear. Compared with the first gear, the electric pulse voltage is higher, the energy value of the electric pulse is correspondingly increased, the tremor massage efficiency is correspondingly higher, and meanwhile, the pain sense cannot be generated because the pain sense voltage threshold value is not reached; the operation gear with the electric pulse voltage of 10V-11V is set as the third gear, particularly the high-intensity training gear, slight prickling sensation can be caused, but muscle cells can be trained through the energy of the high-intensity electric pulse, and the disuse atrophy can be effectively prevented and delayed.
In addition, the user's history record of tremor massage control may also be used as a reference, for example, the elderly will generally prefer a relatively mild first gear, and the selection of the target operating gear will also tend to prefer the first gear. While young adults often prefer a painless and efficient second gear, selecting the target operating gear will also often give preference to selecting the second gear. Also, the third gear for intensive training is generally preferred by athletes, and will often be preferred when selecting the target operating gear.
Finally, after the user selects and determines the target operation gear independently or the massager for tremor massage intelligently selects and determines the target operation gear, the massager for tremor massage can output the electric pulse under the corresponding gear to the target part of the user for effective tremor massage.
To better describe the tremor massage control method provided by the present invention, the following embodiments are now provided:
fig. 4 is a schematic structural diagram of the tremor massage control device provided by the present invention, and as shown in fig. 4, when the tremor massage control device executes the tremor massage control method provided by the present invention, firstly, in a threshold scan period, an electrical pulse debugging signal output module is used to generate electrical pulse debugging signals with different voltages, currents, frequencies, pulse widths, etc., and output the electrical pulse debugging signals to a user target portion, and then, a vibration energy threshold recognition module is used to obtain a PPG signal, and a vibration characteristic parameter and a pulse wave characteristic parameter are obtained from the PPG signal, and an excitation characteristic parameter is calculated to obtain the excitation characteristic parameter, and a vibration energy threshold is determined based on the excitation characteristic parameter.
And then in a tremor massage period, determining the pain sensation energy threshold value based on the vibration energy threshold value and the conversion multiplying power under the corresponding working frequency through a pain sensation energy threshold value identification module. The conversion rate under the corresponding working frequency can be obtained by searching a pre-constructed pain threshold value parameter table.
Finally, through the electric pulse output module, based on the obtained vibration energy threshold and the pain sensation energy threshold, different electric pulses are selected to output operation gears, and electric pulses with different energy values are output based on different operation gears, so that effective tremor massage for a user is realized, pain sensation can be avoided from occurring to the user, and the use experience of the user is improved.
According to the tremor massage control method provided by the invention, by dividing different operation gears, various scheme choices can be provided for a user during tremor massage, the diversity of the tremor massage control method is improved, and the use experience of the user is improved.
Based on the content of the foregoing embodiment, as an optional embodiment, the method further includes:
acquiring a vibration energy threshold and a pain sensation energy threshold of a target part of a user according to a preset sampling period;
so as to adjust the energy value of the electric pulse according to the threshold value of the vibration energy and the threshold value of the pain sensation energy collected in each sampling period.
Specifically, in order to better adapt to differences of different users and differences of different target portions of the same user, preset adoption periods are preset according to specific scene use requirements, for example, total scanning time of 2 seconds is divided into 10 time periods, and each preset adoption period is 0.2 second.
The energy value of the electric pulse is adjusted according to the vibration energy threshold value and the pain sensation energy threshold value acquired in each sampling period, wherein the mean value of the pain sensation energy threshold value can be determined according to the mean value of all the vibration energy threshold values acquired in the last three sampling periods, and then the energy value of the electric pulse is updated and adjusted according to the mean value of the vibration energy threshold values in the last three sampling periods and the mean value of the pain sensation energy threshold value. The energy value of the electric pulse before adjustment can be directly replaced by selecting the vibration energy threshold and the pain sensation energy threshold acquired in the latest sampling period by default, and the energy value of the electric pulse is optimized and updated to the latest one.
According to the tremor massage control method provided by the invention, the vibration energy threshold value and the pain sensation energy threshold value are collected for multiple times through the set preset sampling period, the energy value of the electric pulse is continuously and intelligently adjusted, the adaptability of the tremor massage control method to different users and environments is improved, and the use experience of the users is increased.
Fig. 5 is a second schematic structural diagram of the tremor massage control device provided by the present invention, as shown in fig. 5, mainly comprising a signal acquisition unit 51, a threshold value scanning unit 52, a pain sense measuring unit 53 and a pulse output unit 54, wherein:
a signal acquiring unit 51, configured to acquire a PPG signal of the user target part according to the electrical pulse debugging signal output to the user target part;
a threshold scanning unit 52, configured to determine a vibration energy threshold of the target portion of the user according to the PPG signal;
a pain sense determination unit 53, configured to determine a pain sense energy threshold according to the vibration energy threshold;
a pulse output unit 54 for outputting an electrical pulse to the user target site based on the vibrational energy threshold and the pain sensation energy threshold;
wherein the energy value of the electric pulse is larger than the vibration energy threshold and smaller than the pain energy threshold.
It should be noted that, when the tremor massage control device provided in the embodiment of the present invention is in specific operation, the tremor massage control method described in any of the above embodiments may be executed, and details of this embodiment are not repeated.
According to the tremor massage control device provided by the invention, the vibration energy threshold is determined by obtaining the PPG signal of the target part of the user, and then the pain sensation energy threshold is determined according to the vibration energy threshold, so that the optimal output energy value range of the electric pulse is obtained, the individual difference of the user can be effectively adapted, the effective tremor massage effect can be ensured, the discomfort of the user caused by the pain sensation due to the overlarge electric pulse energy can be avoided, and the use experience of the user is improved.
As an alternative embodiment, the present invention further provides a massage apparatus, which at least comprises the above-mentioned tremor massage control device, and when in specific operation, the tremor massage control device can execute the tremor massage control method described in any of the above embodiments.
It should be noted that the massage apparatus protected by the present invention may be a shoulder and neck massage apparatus, a hand-held massage apparatus, or other massage apparatuses integrated into a massage chair capable of implementing massage function, and the present invention is not limited in any way.
According to the massage instrument provided by the invention, the vibration energy threshold value is determined by obtaining the PPG signal of the target part of the user, and then the pain sensation energy threshold value is determined according to the vibration energy threshold value, so that the optimal output energy value range of the electric pulse is obtained, the individual difference of the user can be effectively adapted, the effective tremor massage effect can be ensured, the discomfort of the user caused by the pain sensation due to the overlarge energy of the electric pulse can be avoided, and the use experience of the user is improved.
Fig. 6 is a schematic structural diagram of an electronic device provided in the present invention, and as shown in fig. 6, the electronic device may include: a processor (processor) 610, a communication Interface (Communications Interface) 620, a memory (memory) 630 and a communication bus 640, wherein the processor 610, the communication Interface 620 and the memory 630 communicate with each other via the communication bus 640. The processor 610 may invoke logic instructions in the memory 630 to perform a tremor massage control method comprising: acquiring a PPG signal of a user target part according to an electric pulse debugging signal output to the user target part; determining a vibration energy threshold of the user target site from the PPG signal; determining a pain sensation energy threshold according to the vibration energy threshold; outputting an electrical pulse to the user target site based on the vibrational energy threshold and the pain sensation energy threshold; the energy value of the electrical pulse is greater than the vibration energy threshold and less than the pain energy threshold.
In addition, the logic instructions in the memory 630 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention or a part thereof which substantially contributes to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform the tremor massage control method provided by the various embodiments described above, the method comprising: acquiring a PPG signal of a user target part according to an electric pulse debugging signal output to the user target part; determining a vibration energy threshold of the user target site according to the PPG signal; determining a pain sensation energy threshold according to the vibration energy threshold; outputting an electrical pulse to the user target site based on the vibrational energy threshold and the pain sensation energy threshold; the energy value of the electrical pulse is greater than the vibration energy threshold and less than the pain energy threshold.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the tremor massage control method provided by the above embodiments, the method comprising: acquiring a PPG signal of a user target part according to an electric pulse debugging signal output to the user target part; determining a vibration energy threshold of the user target site according to the PPG signal; determining a pain sensation energy threshold according to the vibration energy threshold; outputting an electrical pulse to the user target site based on the vibrational energy threshold and the pain sensation energy threshold; the energy value of the electric pulse is larger than the vibration energy threshold value and smaller than the pain sensation energy threshold value.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (14)

1. A tremor massage control method, comprising:
acquiring a PPG signal of a user target part according to an electric pulse debugging signal output to the user target part;
determining a vibration energy threshold of the user target site from the PPG signal;
determining a pain sensation energy threshold according to the vibration energy threshold;
outputting an electrical pulse to the user target site based on the vibrational energy threshold and the pain sensation energy threshold; the energy value of the electrical pulse is greater than the vibration energy threshold and less than the pain energy threshold.
2. The tremor massage control method of claim 1, wherein said obtaining PPG signals of the user's target area from the electrical pulse commissioning signal output to the user's target area comprises:
and sequentially acquiring PPG signals of the target part of the user within a preset time according to the electric pulse debugging signals with the energy step increase output to the target part of the user.
3. The tremor massage control method of claim 2, wherein said determining a vibrational energy threshold of the user target site from the PPG signals comprises:
respectively reading PPG segmented signals in a plurality of time intervals in the preset duration according to the PPG signals;
sequentially determining a vibration characteristic parameter and a pulse wave characteristic parameter corresponding to each PPG segmented signal according to each PPG segmented signal;
determining excitation characteristic parameters in a time interval of each PPG segmented signal according to the vibration characteristic parameters and the pulse wave characteristic parameters;
determining the vibration energy threshold based on an energy value of an electrical pulse debugging signal within a target time interval;
wherein the target time interval is a first time interval in which the excitation characteristic parameter is greater than a preset parameter.
4. The tremor massage control method of claim 3, wherein said determining the vibration characteristic parameter and the pulse wave characteristic parameter of the time interval in which each of said PPG segmentation signals is located in turn based on each of said PPG segmentation signals comprises:
acquiring a characteristic value of any frequency signal on a vibration main energy frequency band in each PPG segmented signal, and calculating a geometric mean of all the characteristic values as the vibration characteristic parameters;
and acquiring a characteristic value of any frequency signal on a main energy frequency band of a pulse wave in each PPG segmented signal, and calculating a geometric mean of all the characteristic values as the characteristic parameter of the pulse wave.
5. The tremor massage control method of claim 3, wherein the determining, according to the vibration characteristic parameter and the pulse wave characteristic parameter, the excitation characteristic parameter in the time interval in which each of the PPG segmented signals is located includes:
and determining the excitation characteristic parameter in the time interval of each PPG segmented signal according to the ratio of the vibration characteristic parameter to the pulse wave characteristic parameter.
6. The tremor massage control method of claim 3, further comprising, before reading the PPG segment signals in a plurality of time intervals within the preset duration, respectively:
and dividing the preset time into a plurality of time intervals based on the adjustment moment of the step increase of the energy of the electric pulse debugging signal.
7. The tremor massage control method of claim 1, wherein said determining a pain energy threshold from the vibration energy threshold comprises:
inquiring conversion multiplying power from a pre-constructed pain threshold parameter table based on the working frequency of the electric pulse;
determining the pain sensation energy threshold according to the conversion multiplying power and the vibration energy threshold;
the pain threshold parameter table records the conversion multiplying power between the vibration energy threshold and the pain sensation energy threshold under different working frequencies.
8. The tremor massage control method of claim 1, wherein said outputting an electrical pulse to said user target site based on said vibrational energy threshold and said pain energy threshold comprises:
determining a vibration voltage threshold and a pain voltage threshold based on the vibration energy threshold, the pain energy threshold, and the operating frequency of the electrical pulse;
selecting and operating a target operating gear based on the vibration voltage threshold, the pain sense voltage threshold and the historical tremor massage control record of the user;
outputting an electrical pulse to the user target site;
the voltage of the electric pulse corresponds to the target operation range.
9. The tremor massage control method of claim 1, further comprising:
according to a preset sampling period, acquiring a vibration energy threshold value and a pain sensation energy threshold value of the target part of the user;
so as to adjust the energy value of the electric pulse according to the vibration energy threshold value and the pain sensation energy threshold value acquired in each sampling period.
10. A tremor massage control device, comprising:
the signal acquisition unit is used for acquiring a PPG signal of a user target part according to the electric pulse debugging signal output to the user target part;
a threshold scanning unit for determining a vibration energy threshold of the target part of the user according to the PPG signal;
the pain sense measuring unit is used for determining a pain sense energy threshold according to the vibration energy threshold;
the pulse output unit is used for outputting an electric pulse to the target part of the user based on the vibration energy threshold and the pain sensation energy threshold;
wherein the energy value of the electrical pulse is greater than the vibrational energy threshold and less than the pain sensation energy threshold.
11. A massage apparatus, comprising at least the tremor massage control device of claim 10.
12. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the tremor massage control method of any of claims 1 to 9.
13. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the tremor massage control method of any of claims 1 to 9.
14. A computer program product comprising a computer program, wherein the computer program when executed by a processor implements the steps of the tremor massage control method of any of claims 1 to 9.
CN202310036191.6A 2023-01-06 2023-01-06 Tremor massage control method and device, massage instrument, electronic device and storage medium Pending CN115957444A (en)

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