CN115770356B - Sleep assisting device, method, terminal and storage medium based on multi-class electrical stimulation - Google Patents
Sleep assisting device, method, terminal and storage medium based on multi-class electrical stimulation Download PDFInfo
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Abstract
The invention discloses a sleep assisting device, a sleep assisting method, a sleep assisting terminal and a sleep assisting storage medium based on multi-class electrical stimulation, wherein the sleep assisting device comprises a control module and an electrical stimulation module; the control module is used for acquiring sleep state data and eyebrow position change frequency of a target user in a preset time period, and controlling the electric stimulation module according to the sleep state data and the eyebrow position change frequency; the electric stimulation module comprises a transcranial electric stimulation module and a percutaneous electric stimulation module, wherein the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the brain nerves of the target user, and the current intensity of the transcranial electric stimulation module and the percutaneous electric stimulation module is smaller than that of the target user. The invention dynamically controls the operation of the transcranial electric stimulation module and the percutaneous electric stimulation module based on the sleep state data and the eyebrow position change frequency of the user through the control module, thereby solving the problems that the existing electric stimulation sleep-aiding product has single action position and cannot be automatically regulated according to the physiological characteristics of the user in the sleep process, so that the sleep-aiding effect is poor.
Description
Technical Field
The invention relates to the technical field of control of sleep-aiding equipment, in particular to a sleep-aiding device, a sleep-aiding method, a sleep-aiding terminal and a sleep-aiding storage medium based on multi-class electrical stimulation.
Background
With the improvement of life quality, people also become more important to how to improve sleep quality. The high-quality sleep can enable the brain and the body of people to be rested and restored, improve the working and learning efficiency of people and ease emotion.
Currently, there are many products on the market for aiding sleep to help a user enter a sleep state as soon as possible. In the sleeping process of a user, the sleeping state and emotion of the user can be changed, the existing sleeping-aiding product can only work at a fixed position with fixed parameters, and cannot be automatically adjusted according to the physiological characteristics of the user in the sleeping process, so that the sleeping-aiding effect is poor.
Accordingly, there is a need for improvement and development in the art.
Disclosure of Invention
The invention aims to solve the technical problems that aiming at the defects in the prior art, the invention provides a multi-type electrical stimulation-based sleep assisting device, a multi-type electrical stimulation-based sleep assisting method, a multi-type electrical stimulation-based sleep assisting terminal and a multi-type electrical stimulation-based sleep assisting storage medium, and aims to solve the problems that the existing sleep assisting product has single action position and cannot be automatically adjusted according to physiological characteristics in the sleeping process of a user, so that the sleep assisting effect is poor.
The technical scheme adopted by the invention for solving the problems is as follows:
in a first aspect, an embodiment of the present invention provides a sleep aiding device based on multiple types of electrical stimulation, where the device includes a control module and an electrical stimulation module;
The control module is used for acquiring an electroencephalogram signal of a target user within a preset time period, and determining sleep state data according to the electroencephalogram signal, wherein the sleep state data is one of a waking state, a calm state, a shallow sleep state and a deep sleep state;
acquiring a plurality of frames of facial images of the target user in the preset time period, and determining the change frequency of the eyebrow position of the target user according to the facial images of each frame;
controlling the electrical stimulation module according to the sleep state data and the eyebrow position change frequency;
the electrical stimulation module includes: a transcranial electrical stimulation module and a percutaneous electrical stimulation module; the transcranial electrical stimulation module is in contact with an ear of the target user; the percutaneous electrical stimulation module is contacted with the forehead of the target user; the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the cranial nerves of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module.
In one embodiment, the determining the frequency of change in the position of the eyebrow of the target user from the face images of each frame includes:
Acquiring the position variation of an eyebrow region in two adjacent frames of facial images;
acquiring the duty ratio of the position variation quantity with the value in each position variation quantity larger than a preset value;
and determining the change frequency of the eyebrow position according to the duty ratio, wherein the duty ratio is in direct proportion to the change frequency of the eyebrow position.
In one embodiment, the determining the sleep state data from the electroencephalogram signal includes:
determining the brain electricity activity corresponding to the target user according to the brain electricity signal;
acquiring a plurality of preset numerical intervals, wherein each numerical interval corresponds to different sleep states;
and determining a target numerical interval from the numerical intervals according to the brain electrical activity, and determining the sleep state data according to the sleep state corresponding to the target numerical interval.
In one embodiment, the controlling the electrical stimulation module according to the sleep state data and the eyebrow position change frequency includes:
when the sleep state data is in an awake state, starting the percutaneous electrical stimulation module for a preset time period;
judging whether the sleep state data change within the preset time period, and judging whether the change frequency of the eyebrow position is higher than a frequency threshold value when the sleep state data do not change;
Stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the frequency of the change of the eyebrow position is higher than the frequency threshold;
and when the change frequency of the eyebrow position is lower than or equal to the frequency threshold, adjusting the working parameter of the percutaneous electrical stimulation module.
In one embodiment, the determining whether the sleep state data changes within the preset time period further includes:
judging whether the sleep state data change within the preset time period, stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the sleep state data change from a waking state to a calm state.
In one embodiment, the transcranial electrical stimulation module further comprises, after activation:
acquiring the sleep state data of the target user at preset time intervals, and judging whether the sleep state data are changed or not;
stopping the transcranial electrical stimulation module and starting the transcutaneous electrical stimulation module when the sleep state data changes from a calm state to an awake state;
stopping the electrical stimulation module when the sleep state data is changed from a calm state to a light sleep state or a deep sleep state;
And when the sleep state data is unchanged, adjusting the working parameters of the transcranial electric stimulation module.
In one embodiment, the percutaneous electrical stimulation module comprises a forehead band, wherein a plurality of air bags and micro air pumps which are in one-to-one correspondence with the air bags are arranged in the forehead band; each air bag is provided with an electric stimulation unit, and the air bags are used for supporting the electric stimulation units to be attached to the forehead of the target user; the stopping the transcutaneous electrical stimulation module comprises:
controlling each electric stimulation unit to stop sending out current;
and sucking out air in the corresponding air bags through the micro air pumps to collapse the air bags, wherein the electric stimulation units are not attached to the forehead of the target user any more.
In a second aspect, an embodiment of the present invention further provides a method for assisting sleep based on multi-class electrical stimulation, where the method for assisting sleep based on multi-class electrical stimulation includes:
acquiring an electroencephalogram signal of a target user within a preset time period, and determining sleep state data according to the electroencephalogram signal, wherein the sleep state data is one of a awake state, a calm state, a light sleep state and a deep sleep state;
Acquiring a plurality of frames of facial images of the target user in the preset time period, and determining the change frequency of the eyebrow position of the target user according to the facial images of each frame;
controlling the electric stimulation module according to the sleep state data and the eyebrow position change frequency, wherein the electric stimulation module comprises: a transcranial electrical stimulation module and a percutaneous electrical stimulation module; the transcranial electrical stimulation module is in contact with an ear of the target user; the percutaneous electrical stimulation module is contacted with the forehead of the target user; the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the cranial nerves of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module.
In one implementation, the determining the frequency of change in the position of the eyebrow of the target user according to the face image of each frame includes:
acquiring the position variation of an eyebrow region in two adjacent frames of facial images;
acquiring the duty ratio of the position variation quantity with the value in each position variation quantity larger than a preset value;
and determining the change frequency of the eyebrow position according to the duty ratio, wherein the duty ratio is in direct proportion to the change frequency of the eyebrow position.
In one implementation, the determining the sleep state data from the electroencephalogram signal includes:
determining the brain electricity activity corresponding to the target user according to the brain electricity signal;
acquiring a plurality of preset numerical intervals, wherein each numerical interval corresponds to different sleep states;
and determining a target numerical interval from the numerical intervals according to the brain electrical activity, and determining the sleep state data according to the sleep state corresponding to the target numerical interval.
In one implementation, the controlling the electrical stimulation module according to the sleep state data and the eyebrow position change frequency includes:
when the sleep state data is in an awake state, starting the percutaneous electrical stimulation module for a preset time period;
judging whether the sleep state data change within the preset time period, and judging whether the change frequency of the eyebrow position is higher than a frequency threshold value when the sleep state data do not change;
stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the frequency of the change of the eyebrow position is higher than the frequency threshold;
and when the change frequency of the eyebrow position is lower than or equal to the frequency threshold, adjusting the working parameter of the percutaneous electrical stimulation module.
In one implementation, the method further comprises:
judging whether the sleep state data change within the preset time period, stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the sleep state data change from a waking state to a calm state.
In one implementation, the method further comprises:
when the sleep state data is changed from a waking state to a calm state, acquiring the sleep state data of the target user at preset time intervals, and judging whether the sleep state data is changed or not;
stopping the transcranial electrical stimulation module and starting the transcutaneous electrical stimulation module when the sleep state data changes from a calm state to an awake state;
stopping the electrical stimulation module when the sleep state data is changed from a calm state to a light sleep state or a deep sleep state;
and when the sleep state data is unchanged, adjusting the working parameters of the transcranial electric stimulation module.
In one implementation method, the percutaneous electrical stimulation module comprises a forehead band, a plurality of air bags and micro air pumps, wherein the air bags and the micro air pumps are arranged in the forehead band, and the micro air pumps are in one-to-one correspondence with the air bags; each air bag is provided with an electric stimulation unit, and the air bags are used for supporting the electric stimulation units to be attached to the forehead of the target user; the stopping the transcutaneous electrical stimulation module comprises:
Controlling each electric stimulation unit to stop sending out current;
and sucking out air in the corresponding air bags through the micro air pumps to collapse the air bags, wherein the electric stimulation units are not attached to the forehead of the target user any more.
In a third aspect, an embodiment of the present invention further provides a terminal, where the terminal includes a memory and more than one processor; the memory stores more than one program; the program contains instructions for performing a multi-class electrical stimulation based assisted sleep method as described above; the processor is configured to execute the program.
In a fourth aspect, embodiments of the present invention also provide a computer-readable storage medium having stored thereon a plurality of instructions, wherein the instructions are adapted to be loaded and executed by a processor to implement the multi-class electrical stimulation-based assisted sleep method described above.
The invention has the beneficial effects that: according to the embodiment of the invention, the transcranial electric stimulation module and the percutaneous electric stimulation module are dynamically controlled to work based on the sleep state data and the eyebrow position change frequency of the user by the control module, so that the problems that the existing sleep-aiding product is single in action position and poor in sleep-aiding effect due to incapability of automatically adjusting according to physiological characteristics of the user in the sleep process are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
Fig. 1 is a schematic diagram of internal modules of a sleep assisting device based on multi-class electrical stimulation according to an embodiment of the present invention.
Fig. 2 is a flow chart of a sleep assisting method based on multi-class electrical stimulation according to an embodiment of the present invention.
Fig. 3 is a schematic block diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The invention discloses a sleep assisting device, a sleep assisting method, a sleep assisting terminal and a sleep assisting storage medium based on multi-type electric stimulation, which are used for making the purposes, the technical scheme and the effects of the sleep assisting device and the sleep assisting storage medium clearer and more definite, and the sleep assisting device and the sleep assisting storage medium are further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
With the improvement of life quality, people also become more important to how to improve sleep quality. The high-quality sleep can enable the brain and the body of people to be rested and restored, improve the working and learning efficiency of people and ease emotion.
Currently, there are many products on the market for aiding sleep to help a user enter a sleep state as soon as possible. In the sleeping process of a user, the sleeping state and emotion of the user can be changed, the existing sleeping-aiding product can only work at a fixed position with fixed parameters, and cannot be automatically adjusted according to the physiological characteristics of the user in the sleeping process, so that the sleeping-aiding effect is poor.
In view of the above-mentioned drawbacks of the prior art, the present invention provides a sleep assisting device, method, terminal and storage medium based on multi-type electrical stimulation, the device includes a control module and an electrical stimulation module, wherein the control module determines sleep state data and eyebrow position change frequency of a target user in a preset time period, and controls the electrical stimulation module according to the sleep state data and the eyebrow position change frequency; the electric stimulation module comprises a transcranial electric stimulation module and a percutaneous electric stimulation module, wherein the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the brain nerve of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module. The invention dynamically controls the operation of the transcranial electric stimulation module and the percutaneous electric stimulation module based on the sleep state data and the eyebrow position change frequency of the user through the control module, thereby solving the problems that the existing sleep-aiding product has single action position and cannot be automatically regulated according to the physiological characteristics of the user in the sleep process, so that the sleep-aiding effect is poor.
Illustrating: when the target user sleeps, the auxiliary sleeping device collects the electroencephalogram signals of the target user in a preset time period through the control module, and judges the sleeping state of the target user at the moment according to the electroencephalogram signals of the target user. In addition, the control module can acquire the face image of the target user in a preset time period, and the change frequency of the eyebrow position of the target user is determined according to the face image of the target user. After the control module determines the sleeping state and the change frequency of the eyebrow position of the target user, the electric stimulation module can be controlled according to the sleeping state and the change frequency of the eyebrow position, so that the effect of improving the sleeping quality of the target user is achieved. For example, when the sleep state of the target user is a waking state, the stimulus intensity of the electric stimulus module needs to be correspondingly increased, and if the user is in a shallow sleep state or a deep sleep state, the stimulus intensity of the electric stimulus module needs to be reduced, so that the interference on the sleep of the user is reduced; when the change frequency of the user's eyebrow position is too high, the user is uncomfortable at the moment, and the electric stimulation module needs to be adjusted/switched, so that the target user can keep comfortable, and the sleeping quality cannot be influenced by the auxiliary sleeping device.
Exemplary apparatus
As shown in fig. 1, the device control module 01 and the electrical stimulation module 02;
the control module 01 is configured to obtain an electroencephalogram signal of a target user within a preset time period, and determine sleep state data according to the electroencephalogram signal, where the sleep state data is one of an awake state, a calm state, a light sleep state and a deep sleep state;
acquiring a plurality of frames of facial images of the target user in the preset time period, and determining the change frequency of the eyebrow position of the target user according to the facial images of each frame;
and controlling the electric stimulation module according to the sleep state data and the eyebrow position change frequency.
The sleep assisting device in the embodiment comprises a control module and an electric stimulation module. The control module acquires relevant parameters of the sleeping quality of the target user in the sleeping process, and controls the electric stimulation module according to the parameters so as to achieve the effect of improving the sleeping quality of the target user. Specifically, the sleep quality of the target user is reflected by the sleep state data and the frequency of change in the eyebrow position in the present embodiment. The control module firstly acquires an electroencephalogram signal of a target user in a preset time period, and determines sleep state data of the target user in the preset time period according to the electroencephalogram signal. Since the fluctuation of the electroencephalogram signal of the target user is different in the awake state and in the sleep, the present embodiment classifies the sleep state data of the target user into the awake state, the calm state, the light sleep state, and the deep sleep state according to the degree of fluctuation of the electroencephalogram signal. After the sleep state data of the target user are determined, the control module accurately controls the electric stimulation module according to the determined sleep state data.
For the change frequency of the eyebrow position, the percutaneous electrical stimulation module is located on the forehead of the target user, so that the target user is easy to generate larger foreign body sensation, and therefore the facial images of a plurality of frames in the preset time period of the target user are acquired, the facial images are analyzed, the change frequency of the eyebrow position of the target user in the preset time period is determined, and whether the target user is uncomfortable due to the foreign body sensation is judged according to the change frequency of the eyebrow position of the target user. Generally, when the percutaneous electrical stimulation module works, if the eyebrow position of the target user constantly changes, it indicates that the target user may be disturbed by the instrument at this time, which is uncomfortable. Therefore, in this embodiment, the judgment is performed according to the frequency of the change of the eye position of the target user, and when the frequency of the eye position of the target user is greater than a certain value, it is considered that the target user may have uncomfortable conditions, and the electrical stimulation module needs to be switched, so that the target user can maintain in a comfortable state.
In one implementation manner, the control module in this embodiment determines that the sleep state data and the change frequency of the eyebrow position of the target user are performed simultaneously, so that the electrical stimulation module is controlled according to the sleep state data and the change frequency of the eyebrow position in the same preset time period, the accuracy of judging the sleep quality of the target user is enhanced, the occurrence of the condition that the target user is disturbed in the sleep process to change from the sleep state to the awake state is reduced, and the sleep quality of the target user is ensured.
The electrical stimulation module 02 comprises: a transcranial electrical stimulation module and a percutaneous electrical stimulation module; the transcranial electrical stimulation module is in contact with an ear of the target user; the percutaneous electrical stimulation module is contacted with the forehead of the target user; the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the cranial nerves of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module.
Specifically, the electrical stimulation module in this embodiment includes a transcranial electrical stimulation module (CES) and a transcutaneous electrical stimulation module (TENS), which both stimulate the brain through low-intensity trace current, change brain waves of the brain abnormality of the target user, and promote the brain to secrete neurotransmitters and hormones that promote sleep and mood. The difference is that the transcranial electrical stimulation module (CES) is in contact with the ear of the target user, and is stimulated from behind the ear, and the path of the stimulation signal to the brain is long. The transcutaneous electrical stimulation module (TENS) is in contact with the forehead of the target user, and its stimulation signal acts directly on the cerebral cortex, relatively shorter path, so the transcutaneous electrical stimulation module (TENS) is more effective in stimulating the human brain than the transcranial electrical stimulation module (CES). Because the transcranial electric stimulation module (CES) is in contact with the ears of the target user, compared with the percutaneous electric stimulation module (TENS) which needs to be attached to the forehead of the target user, the transcranial electric stimulation module (CES) brings less foreign body sensation to the target user, and the use feeling is more comfortable. Therefore, in the actual use process, the control module can dynamically switch the transcranial electric stimulation module and the percutaneous electric stimulation module according to the state of the target user.
In one implementation, the determining the frequency of change in the position of the eyebrow of the target user according to the face image of each frame includes:
acquiring the position variation of an eyebrow region in two adjacent frames of facial images;
acquiring the duty ratio of the position variation quantity with the value in each position variation quantity larger than a preset value;
and determining the change frequency of the eyebrow position according to the duty ratio, wherein the duty ratio is in direct proportion to the change frequency of the eyebrow position.
Specifically, after a plurality of frames of facial images of a target user in a preset time period are acquired, the facial images of the frames are input into a preset deep learning model for analysis and learning, and the positions of eyebrow areas in the facial images in the facial image frames are obtained; and comparing the positions of the eyebrow areas in the face images of the two adjacent frames to obtain the position variation of the eyebrow areas. When the number of acquired face image frames is N, the number of position change amounts that can be determined is N-1. And comparing the numerical value of each position change amount with a preset value, and when the numerical value of the position change amount is larger than the preset value, indicating that the facial expression of the target user is larger in the moment. And counting the number M which is larger than a preset value in all the position variation amounts in the preset time period, and calculating M/(N-1). From M/(N-1), the frequency of change in the position of the eyebrow eye is determined. In general, the larger M/(N-1), the greater the frequency of change in the position of the eyebrow, and the greater the likelihood that the user will be disturbed and uncomfortable.
In one implementation, the determining the sleep state data according to the electroencephalogram signal includes:
determining the brain electricity activity corresponding to the target user according to the brain electricity signal;
acquiring a plurality of preset numerical intervals, wherein each numerical interval corresponds to different sleep states;
and determining a target numerical interval from the numerical intervals according to the brain electrical activity, and determining the sleep state data according to the sleep state corresponding to the target numerical interval.
Specifically, in order to determine a specific sleep state of a target user, the control module acquires an electroencephalogram signal in a preset time period, and determines the electroencephalogram activity corresponding to the target user according to the electroencephalogram signal. When the fluctuation of the brain electrical signal is large, the neuron of the brain of the target user is in an active state, the brain electrical activity corresponding to the target user is large, and correspondingly, when the fluctuation of the brain electrical signal is small, the brain electrical activity of the target user is small, and the target user is possibly in a rest state. In this embodiment, a plurality of preset numerical intervals are set according to the magnitude of the brain electrical activity, and the plurality of preset numerical intervals respectively correspond to different sleep states such as an awake state, a calm state, a light sleep state, a deep sleep state and the like according to the magnitude of the numerical values from large to small, wherein each numerical interval has a one-to-one correspondence with each sleep state. In this embodiment, after determining the brain electrical activity of the target user, the control module determines which numerical interval the brain electrical activity falls into, and obtains the target numerical interval. And determining the sleep state data of the target user according to the sleep state corresponding to the target numerical value interval. For example, the preset numerical intervals are [0,3], [4,6], [7,9], [10,12], which correspond to the deep sleep state, the shallow sleep state, the calm state and the awake state, respectively. And if the acquired brain electrical activity of the target user is 5, determining that the sleep state data of the target user is in a shallow sleep state according to the brain electrical activity of the target user. According to the embodiment, the electroencephalogram signal of the target user is obtained, the sleep state data is determined according to the electroencephalogram signal, the electric stimulation module can be controlled more accurately, and the self-adaptive capacity of the sleep assisting device for improving the sleep quality of the target user is improved.
In one implementation, the controlling the electrical stimulation module according to the sleep state data and the eyebrow position change frequency includes:
when the sleep state data is in an awake state, starting the percutaneous electrical stimulation module for a preset time period;
judging whether the sleep state data change within the preset time period, and judging whether the change frequency of the eyebrow position is higher than a frequency threshold value when the sleep state data do not change;
stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the frequency of the change of the eyebrow position is higher than the frequency threshold;
and when the change frequency of the eyebrow position is lower than or equal to the frequency threshold, adjusting the working parameter of the percutaneous electrical stimulation module.
In particular, since the transcutaneous electrical stimulation module is more efficient than the transcranial electrical stimulation module, the control module first activates the transcutaneous electrical stimulation module in order to enable the target user to enter a sleep state quickly when the control module detects that the target user is awake. And continuously detecting whether the sleep state of the target user changes within the preset working time of the percutaneous electrical stimulation module, if the sleep state of the target user does not change all the time and is kept in a wakeful state, judging whether the change frequency of the eyebrow position of the target user is higher than a preset frequency threshold, and if the change frequency of the eyebrow position of the target user is higher than the frequency threshold, indicating that the percutaneous electrical stimulation module possibly causes serious foreign body sensation on the forehead of the target user, so that the user cannot fall asleep. At this time, the control module controls the percutaneous electrical stimulation module to stop working and switch to start the transcranial electrical stimulation module. Because the transcranial electric stimulation module is contacted with the ears of the target user, the contact area is smaller than that of the percutaneous electric stimulation module, and therefore foreign body sensation can be effectively reduced. If the change frequency of the eye position of the target user is lower than or equal to the frequency threshold value, the target user is not uncomfortable to wear the percutaneous electrical stimulation module and cannot fall asleep, but the working parameters of the percutaneous electrical stimulation module are not set correctly, and the working parameters of the percutaneous electrical stimulation module are adjusted through the control module, such as current intensity and frequency are increased, pulse duration is increased, and the target user is guaranteed to quickly enter a sleep state. According to the embodiment, the two electric stimulation modules are dynamically regulated and controlled according to the sleeping state of the target user and the change frequency of the eyebrow position, so that the experience of wearing the sleeping-aid product by the target user can be effectively improved, and the target user can be ensured to enter the sleeping state quickly.
In one implementation, the determining whether the sleep state data changes within the preset duration further includes:
judging whether the sleep state data change within the preset time period, stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the sleep state data change from a waking state to a calm state.
Specifically, if the sleep state data of the target user is changed from the awake state to the calm state within the preset working time period of the percutaneous electrical stimulation module, which indicates that the target user has slowly entered the sleep state, strong stimulation is not needed to prompt the target user to fall asleep, the percutaneous electrical stimulation module is suspended to be used, and the transcranial electrical stimulation module is started, so that foreign body sensation and stimulation intensity generated by the device to the target user are reduced, and the interference of the target user to fall asleep is avoided.
In one implementation, the transcranial electrical stimulation module further comprises, after activation:
acquiring the sleep state data of the target user at preset time intervals, and judging whether the sleep state data are changed or not;
stopping the transcranial electrical stimulation module and starting the transcutaneous electrical stimulation module when the sleep state data changes from a calm state to an awake state;
Stopping the electrical stimulation module when the sleep state data is changed from a calm state to a light sleep state or a deep sleep state;
and when the sleep state data is unchanged, adjusting the working parameters of the transcranial electric stimulation module.
Specifically, after the target user enters a calm state from a awake state, sleep state data of the target user is obtained at preset time intervals, and whether the sleep state data of the target user changes is judged. The sleep state data of the target user changes in several cases:
1. the sleep state data changes from a calm state to an awake state. This indicates that the target user is disturbed during sleep and a more effective stimulus is needed to assist the target user in re-entering sleep. Thus, when sleep state data transitions from a calm state to an awake state, the transcranial electrical stimulation module is stopped, employing a transcutaneous electrical stimulation module that is more effective for sleep promotion;
2. the sleep state data is changed from a calm state to a light sleep state or a deep sleep state. At this time, the target user enters a sleep state and does not need external force to assist sleeping, and the electric stimulation module can be stopped;
3. sleep state data is unchanged. At this time, the target user is always in a calm state, and can not enter a shallow sleep state or a deep sleep state, possibly because the current intensity or frequency and the like of the transcranial electric stimulation module are not high enough, and the user can be helped to enter the shallow sleep state or the deep sleep state by adjusting the working parameters of the transcranial electric stimulation module.
According to the embodiment, different operations are adopted according to different change conditions of the sleep state of the target user, so that the sleep quality of the target user can be more effectively improved.
In one implementation, the percutaneous electrical stimulation module comprises a forehead band, wherein a plurality of air bags and micro air pumps which are in one-to-one correspondence with the air bags are arranged in the forehead band; each air bag is provided with an electric stimulation unit, and the air bags are used for supporting the electric stimulation units to be attached to the forehead of the target user; the stopping the transcutaneous electrical stimulation module comprises:
controlling each electric stimulation unit to stop sending out current;
and sucking out air in the corresponding air bags through the micro air pumps to collapse the air bags, wherein the electric stimulation units are not attached to the forehead of the target user any more.
Specifically, the percutaneous electric stimulation module comprises a forehead belt, a plurality of air bags and micro air pumps which are arranged in the forehead belt and correspond to the air bags one by one, an electric stimulation unit is arranged on each air bag, and the electric stimulation unit is supported by the air bags and attached to the forehead of a target user. When the percutaneous electric stimulation module is stopped, the electric stimulation units are controlled to stop sending out current, and then air in the air bags is sucked out through the micro air pump, so that the electric stimulation units are not attached to the forehead of a target user. Correspondingly, if the percutaneous electric stimulation module is to be started, each air bag is inflated through each micro air pump, each electric stimulation unit is tightly attached to the forehead of the target user after each air bag is inflated, and then each electric stimulation unit is controlled to send out current, so that the effect of helping the target user to sleep is achieved. When the percutaneous electrical stimulation module is stopped, the air in the corresponding air bag is sucked out through the micro air pump, so that the electrical stimulation unit is not attached to the forehead of the target user any more, and the pressing sense of the percutaneous electrical stimulation module to the target user is reduced.
Based on the above embodiment, the present invention further provides a sleep assisting method based on multi-class electrical stimulation, as shown in fig. 2, the method includes:
step S100, acquiring an electroencephalogram signal of a target user within a preset time period, and determining sleep state data according to the electroencephalogram signal, wherein the sleep state data is one of a waking state, a calm state, a shallow sleep state and a deep sleep state.
Step 200, acquiring a plurality of frames of facial images of the target user in the preset time period, and determining the change frequency of the eyebrow position of the target user according to the facial images of each frame;
step S300, controlling the electrical stimulation module according to the sleep state data and the eyebrow position change frequency, where the electrical stimulation module includes: a transcranial electrical stimulation module and a percutaneous electrical stimulation module; the transcranial electrical stimulation module is in contact with an ear of the target user; the percutaneous electrical stimulation module is contacted with the forehead of the target user; the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the cranial nerves of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module.
In one implementation, the determining the sleep state data according to the electroencephalogram signal includes:
step S101, determining the brain electricity activity corresponding to the target user according to the brain electricity signal;
step S102, acquiring a plurality of preset numerical intervals, wherein each numerical interval corresponds to different sleep states;
step S103, determining a target numerical interval from the numerical intervals according to the brain electrical activity, and determining the sleep state data according to the sleep state corresponding to the target numerical interval.
In one implementation, the determining the frequency of change in the position of the eyebrow of the target user according to the face image of each frame includes:
step S201, acquiring the position change quantity of an eyebrow region in the face images of two adjacent frames;
step S202, obtaining the duty ratio of the position change quantity with the value in each position change quantity larger than a preset value;
step S203, determining the frequency of the change of the position of the eyebrow according to the duty ratio, wherein the duty ratio is in a proportional relationship with the frequency of the change of the position of the eyebrow.
In one implementation, the controlling the electrical stimulation module according to the sleep state data and the eyebrow position change frequency includes:
Step S301, when the sleep state data is in an awake state, starting the percutaneous electrical stimulation module for a preset time period;
step S302, judging whether the sleep state data change within the preset time period, and judging whether the change frequency of the eyebrow position is higher than a frequency threshold value when the sleep state data do not change;
step S303, stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the frequency of the change of the eyebrow position is higher than the frequency threshold;
and step S304, when the change frequency of the eyebrow position is lower than or equal to the frequency threshold, adjusting the working parameters of the percutaneous electrical stimulation module.
In one implementation, the method further comprises:
and S10, judging whether the sleep state data change within the preset time period, stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the sleep state data change from a waking state to a calm state.
In one implementation, the transcranial electrical stimulation module further comprises, after activation:
step S20, acquiring the sleep state data of the target user at preset time intervals, and judging whether the sleep state data are changed or not;
S21, stopping the transcranial electric stimulation module and starting the percutaneous electric stimulation module when the sleep state data is changed from a calm state to an awake state;
step S22, stopping the electric stimulation module when the sleep state data is changed from a calm state to a light sleep state or a deep sleep state;
and S23, when the sleep state data is unchanged, adjusting the working parameters of the transcranial electric stimulation module.
In one implementation, the percutaneous electrical stimulation module comprises a forehead band, a plurality of air bags and micro air pumps, wherein the air bags and the micro air pumps are arranged in the forehead band, and the micro air pumps are in one-to-one correspondence with the air bags; each air bag is provided with an electric stimulation unit, and the air bags are used for supporting the electric stimulation units to be attached to the forehead of the target user; the stopping the transcutaneous electrical stimulation module comprises:
step S3031, controlling each electric stimulation unit to stop sending out current;
step S3032, sucking out air in the corresponding air bags through each micro air pump, so that each air bag collapses, and each electric stimulation unit is not attached to the forehead of the target user any more.
Based on the above embodiment, the present invention also provides a terminal, and a functional block diagram thereof may be shown in fig. 3. The terminal comprises a processor, a memory, a network interface and a display screen which are connected through a system bus. Wherein the processor of the terminal is adapted to provide computing and control capabilities. The memory of the terminal includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The network interface of the terminal is used for communicating with an external terminal through a network connection. The computer program is executed by the processor to implement a multi-class electrical stimulation based assisted sleep method. The display screen of the terminal may be a liquid crystal display screen or an electronic ink display screen.
It will be appreciated by those skilled in the art that the functional block diagram shown in fig. 3 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the terminal to which the present inventive arrangements may be applied, and that a particular terminal may include more or less components than those shown, or may combine some of the components, or have a different arrangement of components.
In one implementation, the memory of the terminal has stored therein one or more programs, and the execution of the one or more programs by one or more processors includes instructions for performing a multi-class electrical stimulation based assisted sleep method.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
In summary, the invention discloses a sleep assisting device, a sleep assisting method, a sleep assisting terminal and a sleep assisting storage medium based on multi-type electric stimulation, wherein the sleep assisting device comprises a control module and an electric stimulation module, sleep state data and eyebrow position change frequency of a target user in a preset time period are determined through the control module, and the electric stimulation module is controlled according to the sleep state data and the eyebrow position change frequency; the electric stimulation module comprises a transcranial electric stimulation module and a percutaneous electric stimulation module, wherein the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the brain nerve of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module. The invention dynamically controls the operation of the transcranial electric stimulation module and the percutaneous electric stimulation module based on the sleep state data and the eyebrow position change frequency of the user through the control module, thereby solving the problems that the existing sleep-aiding product has single action position and cannot be automatically regulated according to the physiological characteristics of the user in the sleep process, so that the sleep-aiding effect is poor.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (8)
1. An auxiliary sleeping device based on multi-class electrical stimulation is characterized by comprising a control module and an electrical stimulation module;
the control module is used for acquiring an electroencephalogram signal of a target user within a preset time period, and determining sleep state data according to the electroencephalogram signal, wherein the sleep state data is one of a waking state, a calm state, a shallow sleep state and a deep sleep state;
acquiring a plurality of frames of facial images of the target user in the preset time period, and determining the change frequency of the eyebrow position of the target user according to the facial images of each frame;
controlling the electrical stimulation module according to the sleep state data and the eyebrow position change frequency;
the electrical stimulation module includes: a transcranial electrical stimulation module and a percutaneous electrical stimulation module; the transcranial electrical stimulation module is in contact with an ear of the target user; the percutaneous electrical stimulation module is contacted with the forehead of the target user; the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the cranial nerves of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module;
The determining the change frequency of the eyebrow position of the target user according to the facial image of each frame comprises the following steps:
acquiring the position variation of an eyebrow region in two adjacent frames of facial images;
acquiring the duty ratio of the position variation quantity with the value in each position variation quantity larger than a preset value;
determining the change frequency of the eyebrow position according to the duty ratio, wherein the duty ratio is in direct proportion to the change frequency of the eyebrow position;
the controlling the electric stimulation module according to the sleep state data and the eyebrow position change frequency comprises the following steps:
when the sleep state data is in an awake state, starting the percutaneous electrical stimulation module for a preset time period;
judging whether the sleep state data change within the preset time period, and judging whether the change frequency of the eyebrow position is higher than a frequency threshold value when the sleep state data do not change;
stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the frequency of the change of the eyebrow position is higher than the frequency threshold;
and when the change frequency of the eyebrow position is lower than or equal to the frequency threshold, adjusting the working parameter of the percutaneous electrical stimulation module.
2. The multi-class electrical stimulation-based sleep aiding device according to claim 1, wherein the determining the sleep state data from the brain electrical signals comprises:
determining the brain electricity activity corresponding to the target user according to the brain electricity signal;
acquiring a plurality of preset numerical intervals, wherein each numerical interval corresponds to different sleep states;
and determining a target numerical interval from the numerical intervals according to the brain electrical activity, and determining the sleep state data according to the sleep state corresponding to the target numerical interval.
3. The multi-class electrical stimulation-based sleep aiding device according to claim 1, wherein the determining whether the sleep state data has changed within the preset time period further comprises:
judging whether the sleep state data change within the preset time period, stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the sleep state data change from a waking state to a calm state.
4. The multi-class electrostimulation-based sleep aiding device of claim 3, wherein the transcranial electrostimulation module, after activation, further comprises:
Acquiring the sleep state data of the target user at preset time intervals, and judging whether the sleep state data are changed or not;
stopping the transcranial electrical stimulation module and starting the transcutaneous electrical stimulation module when the sleep state data changes from a calm state to an awake state;
stopping the electrical stimulation module when the sleep state data is changed from a calm state to a light sleep state or a deep sleep state;
and when the sleep state data is unchanged, adjusting the working parameters of the transcranial electric stimulation module.
5. The multi-class electrical stimulation-based sleep aiding device according to claim 1, wherein the percutaneous electrical stimulation module comprises a forehead strap, wherein a plurality of air bags and micro air pumps corresponding to the air bags one by one are arranged inside the forehead strap; each air bag is provided with an electric stimulation unit, and the air bags are used for supporting the electric stimulation units to be attached to the forehead of the target user; the stopping the transcutaneous electrical stimulation module comprises:
controlling each electric stimulation unit to stop sending out current;
and sucking out air in the corresponding air bags through the micro air pumps to collapse the air bags, wherein the electric stimulation units are not attached to the forehead of the target user any more.
6. A method of assisting sleep based on multiple classes of electrical stimulation, the method comprising:
acquiring an electroencephalogram signal of a target user within a preset time period, and determining sleep state data according to the electroencephalogram signal, wherein the sleep state data is one of a awake state, a calm state, a light sleep state and a deep sleep state;
acquiring a plurality of frames of facial images of the target user in the preset time period, and determining the change frequency of the eyebrow position of the target user according to the facial images of each frame;
controlling the electric stimulation module according to the sleep state data and the eyebrow position change frequency, wherein the electric stimulation module comprises: a transcranial electrical stimulation module and a percutaneous electrical stimulation module; the transcranial electrical stimulation module is in contact with an ear of the target user; the percutaneous electrical stimulation module is contacted with the forehead of the target user; the transcranial electric stimulation module and the percutaneous electric stimulation module are both used for sending out current to stimulate the cranial nerves of the target user, and the current intensity of the transcranial electric stimulation module is smaller than that of the percutaneous electric stimulation module;
the determining the change frequency of the eyebrow position of the target user according to the facial image of each frame comprises the following steps:
Acquiring the position variation of an eyebrow region in two adjacent frames of facial images;
acquiring the duty ratio of the position variation quantity with the value in each position variation quantity larger than a preset value;
determining the change frequency of the eyebrow position according to the duty ratio, wherein the duty ratio is in direct proportion to the change frequency of the eyebrow position;
the controlling the electric stimulation module according to the sleep state data and the eyebrow position change frequency comprises the following steps:
when the sleep state data is in an awake state, starting the percutaneous electrical stimulation module for a preset time period;
judging whether the sleep state data change within the preset time period, and judging whether the change frequency of the eyebrow position is higher than a frequency threshold value when the sleep state data do not change;
stopping the percutaneous electrical stimulation module and starting the transcranial electrical stimulation module when the frequency of the change of the eyebrow position is higher than the frequency threshold;
and when the change frequency of the eyebrow position is lower than or equal to the frequency threshold, adjusting the working parameter of the percutaneous electrical stimulation module.
7. A terminal comprising a memory and one or more processors; the memory stores more than one program; the program comprising instructions for performing the assisted sleep method based on multi-class electrical stimulation as claimed in claim 6; the processor is configured to execute the program.
8. A computer readable storage medium having stored thereon a plurality of instructions adapted to be loaded and executed by a processor to implement the steps of the multi-class electrostimulation based assisted sleep method of claim 6.
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| CN115212456B (en) * | 2022-07-07 | 2023-05-12 | 四川脑科学与类脑智能研究院 | Device for improving sleep through transcranial real-time asynchronous electrical stimulation |
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