CN116077065B - Monitoring method of wearable electrocardiograph device and wearable electrocardiograph monitoring device - Google Patents
Monitoring method of wearable electrocardiograph device and wearable electrocardiograph monitoring device Download PDFInfo
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- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
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- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
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Abstract
The invention relates to the technical field of monitoring devices, and particularly provides a monitoring method of a wearable electrocardiograph device and the wearable electrocardiograph monitoring device. Therefore, in the monitoring process of the wearing object, when the actual contact evaluation index exceeds the first index range (when the current wearing state of the user does not meet the requirement), the elastic adjustment requirement prompt is timely output to remind the user to correct, so that the wearing suitability between the user and the monitoring device is ensured, the poor contact condition of the electrode generated when the user adjusts the wearing equipment is avoided, and the monitoring stability of the electrocardiograph data monitoring process is improved.
Description
Technical Field
The invention relates to the technical field of monitoring devices, in particular to a monitoring method of a wearable electrocardiograph device and the wearable electrocardiograph monitoring device.
Background
Most wearable non-adhesive electrocardiograph monitoring devices (such as electrocardiograph monitoring vests) need to ensure smooth electrocardiograph monitoring, i.e. good contact between electrocardiograph electrodes and human bodies and comfort of wearing by patients. Due to frequent putting on and taking off, consistency of wearing needs to be ensured. Based on different physical conditions of each user, the comfort level is relatively subjective judgment, and the patient needs to find the optimal position after multiple attempts, so that the situation of poor use experience is caused. In addition, the situation of poor contact of the electrodes is encountered in the process of multiple attempts, so that the use burden of a user is increased, and unstable monitoring of data such as electrocardiographic information is easily caused. Namely, the existing electrocardio monitoring equipment has the technical problem of low monitoring stability, and meanwhile, the electrocardio monitoring equipment can not objectively reflect the contact condition of an electrocardio electrode and a human body.
Accordingly, there is a need for a method of monitoring a wearable electrocardiograph device and a wearable electrocardiograph monitoring device for solving the technical problem of low monitoring stability due to poor contact.
Disclosure of Invention
The invention mainly aims to provide a monitoring method of a wearable electrocardiograph device and the wearable electrocardiograph monitoring device, which at least solve the technical problem of low monitoring stability caused by poor contact of center electrical monitoring equipment in the related art.
In a first aspect of the present invention, a method for monitoring a wearable electrocardiograph device is provided, including:
acquiring an actual contact evaluation index of a wearing object and the wearable electrocardiograph device;
judging whether the actual contact evaluation index exceeds a preset first index range;
generating a prompt instruction when the actual contact evaluation index exceeds the first index range, and acquiring a current body index of the wearing object and/or a pre-stored historical wearing bit data;
obtaining stretching recommended data according to the current body index and/or the pre-stored historical wearing bit data;
and outputting a corresponding elastic adjustment demand prompt according to the prompt instruction and the stretching recommended data.
The invention provides a wearable electrocardiograph monitoring device, which comprises a wearable body, an electrocardiograph electrode, an elasticity adjusting component, a contact measuring device, a central control module and a prompting module, wherein the wearable body is provided with a plurality of elastic sensors;
the elastic adjusting component is arranged on the electrocardio electrode and provides pressure when being stretched so as to press the electrocardio electrode to a wearing object of the wearing body;
the contact measurement device is used for acquiring an actual contact evaluation index of the wearing object and the electrocardio electrode;
the central control module is used for judging whether the actual contact evaluation index exceeds a preset first index range, generating a prompt instruction when the actual contact evaluation index exceeds the first index range, acquiring current body index and/or pre-stored historical wearing bit data of the wearing object, and acquiring stretching recommended data according to the current body index and/or the pre-stored historical wearing bit data;
and the prompt module is used for outputting corresponding elastic adjustment requirement prompts according to the prompt instruction and the stretching recommendation data.
According to the monitoring method of the wearable electrocardiograph device and the wearable electrocardiograph monitoring device, whether the actual contact evaluation index exceeds the preset first index range is judged by acquiring the actual contact evaluation index of the wearable object and the wearable electrocardiograph device, a prompt instruction is generated when the actual contact evaluation index exceeds the first index range, the current body index of the wearable object and/or pre-stored historical wearing bit data are acquired, stretching recommended data are acquired according to the current body index and/or pre-stored historical wearing bit data, and corresponding elastic adjustment demand prompts are output according to the prompt instruction and the stretching recommended data. Therefore, in the monitoring process of the wearing object, when the actual contact evaluation index exceeds the first index range (when the current wearing state of the user does not meet the requirement, the electrocardiosignal monitoring stability is influenced), the elastic adjustment requirement prompt is timely output, the user is reminded to correct, the wearing suitability between the user and the monitoring device is ensured, the poor contact condition (the accuracy of the monitored electrocardiosignal is correspondingly prevented from being influenced) of the electrode generated when the user adjusts the wearing equipment is avoided, and the monitoring stability of the electrocardiosignal monitoring process is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a method for monitoring a wearable electrocardiograph device according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a wearable device for monitoring an electrocardiographic signal according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating the connection of internal modules of a wearable device for monitoring an electrocardiographic signal according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of an elastic device after stretching according to an embodiment of the present application;
FIG. 5 is a schematic structural view of an elastic device according to an embodiment of the present application;
FIG. 6 is a schematic illustration of the structural connection between the wearable body and the elastic device in an embodiment of the present application;
FIG. 7 is a schematic illustration of the structural connection between a center electrode and a pressure sensor according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram showing an effective contact area between skin and an electrocardiographic electrode of a tested object according to an embodiment of the present application.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
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.
It is noted that related terms such as "first," "second," and the like may be used to describe various components, but these terms are not limiting of the components. These terms are only used to distinguish one element from another element. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the scope of the present invention. The term "and/or" refers to any one or more combinations of related items and descriptive items.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a method for monitoring a wearable electrocardiograph device, which can be applied to a wearable electrocardiograph monitoring device including an electrocardiograph electrode 20, an elastic adjusting component 30, a contact measuring device 40, a central control module 60 and a prompting module 70; the monitoring method of the wearable electrocardiograph device comprises the following steps:
s101, acquiring an actual contact evaluation index of the wearing object and the wearable electrocardiograph device.
Specifically, after the wearable electrocardiograph monitoring device is worn by the wearing object, the central control module 60 in the wearable electrocardiograph monitoring device processes the detection information detected by the contact measurement device 40, so as to obtain the actual contact evaluation index of the corresponding wearing object and the central electrode of the wearable electrocardiograph device. The actual contact evaluation index may be an actual contact impedance, i.e., a contact impedance value.
S102, judging whether the actual contact evaluation index exceeds a preset first index range.
Specifically, after the central control module 60 obtains the actual contact evaluation index, the actual contact evaluation index is compared with the preset first index range to determine whether the actual contact evaluation index exceeds the preset first index range. Optionally, when the actual contact evaluation index is a contact impedance index, the corresponding preset first index range is a contact impedance first index range. If the actual contact evaluation index exceeds the preset first index range, it indicates that the contact impedance between the wearing object and the electrocardiograph electrode is too large at the moment, which affects the detection accuracy, so as to generate an elastic adjustment prompt instruction (for the prompt output of the subsequent prompt mode 70).
And S103, generating a prompt instruction when the actual contact evaluation index exceeds the first index range, and acquiring the current body index of the wearing object and/or the pre-stored historical wearing bit data.
Specifically, when the actual contact evaluation index exceeds the first index range, it indicates that the contact between the wearing object and the electrocardiograph electrode is poor, and if the electrocardiograph monitoring is performed by any device in the next step, the electrocardiograph data monitoring accuracy is easy to be low. As such, when the actual contact evaluation index exceeds the first index range, a hint instruction (which is used for subsequent control over hint module 70) is directly generated by central control module 60, and the current body index of the wearing object and/or the pre-stored historical wearing bit data are obtained.
The current body index of the wearing object comprises one or more than two of height, weight, body fat rate, sex and chest size, and the current body index is obtained through a signal input module, wherein the signal input module can be a body detection module (directly detecting the current body index of the wearing object) or an information input device (a keyboard or a touch screen). In addition, the pre-stored historical wearing bit data refers to physical indexes corresponding to wearing objects pre-stored in the storage module when the wearing device is used before and comfortable feeling occurs.
S104, obtaining stretching recommendation data according to the current body index and/or pre-stored historical wearing bit data.
Specifically, after the central control module 60 obtains the current body index and/or the pre-stored historical wearing bit data, corresponding stretch recommendation data can be calculated and determined according to the obtained data. The stretch recommendation data refers to the corresponding stretching degree of the elastic adjusting component 30, for example, a specific stretching position, so as to avoid poor wearing suitability and poor user experience caused by randomly adjusting the stretching position when the wearing object uses the wearable electrocardiograph device.
S105, outputting corresponding elastic adjustment requirement prompts according to the prompt instructions and the stretching recommendation data.
Specifically, after the central control module 60 obtains the prompting instruction and the stretching recommendation data, the prompting instruction and the stretching recommendation data are sent to the prompting module 70, so that the prompting module 70 is controlled by the prompting instruction to output a corresponding elastic adjustment requirement prompt. The elastic adjustment demand cue may be a recommended stretch value. For example, when the central control module 60 generates a prompt instruction and corresponding stretch recommendation data, the prompt module 70 outputs a recommended stretch value based on the stretch adjustment prompt instruction to prompt the user to adjust the stretch adjustment assembly 30 according to the recommended stretch value.
According to the monitoring method of the wearable electrocardiograph device, in the monitoring process of the wearable object, when the actual contact evaluation index exceeds the first index range (when the current wearing state of the user is not in accordance with the requirement, the monitoring stability is affected), the elastic adjustment requirement prompt is timely output to remind the user to correct, the wearing suitability between the user and the monitoring device is ensured, the electrode contact defect condition (which correspondingly avoids affecting the accuracy of the monitored electrocardiograph data) generated when the user adjusts the wearing equipment is avoided, and the monitoring stability of the electrocardiograph data monitoring process is improved.
In an optional implementation manner of this embodiment, after the step of determining whether the actual contact evaluation index exceeds the preset first index range, the method further includes: when the actual contact evaluation index is in the first index range, a wearing in-place prompt instruction is generated, and the wearing in-place prompt is output according to the prompt module. Namely, when the contact impedance of the wearing object and the electrocardio electrode is in a preset contact impedance range (the contact impedance is shown to be in a reasonable range and does not influence the monitoring accuracy of electrocardio data), a wearing in-place prompt instruction is generated, and the corresponding wearing in-place prompt is output through the wearing in-place prompt instruction control prompt module (the current wearing of the wearing object is reminded to be in place without adjustment).
So, wearing the in-process that wearing the wearing formula electrocardio monitoring devices was worn to the object, wearing the body at wearing position at first, then laminating electrocardio electrode to contact position, adjusting elasticity adjusting part in order to guarantee the laminating of electrocardio electrode at last. When the contact impedance between the contact part of the wearing object and the electrocardio electrode is overlarge (the detection accuracy of electrocardio data is easily influenced), the prompting module prompts that the current wearing state of the wearing object is abnormal and active adjustment is needed; and when the contact impedance between the contact part of the wearing object and the electrocardio electrode meets the requirement (the detection accuracy of the electrocardio data is not affected), the prompting module prompts the current wearing state of the wearing object to be normal (in-place without adjustment).
In an optional implementation manner of this embodiment, after the step of outputting the wearing-in-place prompt according to the prompt module, the method further includes: judging whether the actual contact evaluation index is smaller than a preset second index range, if so, generating a wearing comfort prompt instruction, and outputting a wearing comfort prompt according to the wearing comfort prompt instruction. That is, after the actual contact evaluation index is within the first index range, the actual contact evaluation index is compared with the second index range, and if the actual contact evaluation index is smaller than the second index range (indicating that the contact between the wearing object and the electrocardiograph electrode 20 is comfortable), a wearing comfort prompt instruction is generated.
It should be noted that, the first index range and the second index range are both index ranges of contact impedance, but specific range values of the two are different, and in actual application, the first index range is used for determining whether to put in place, and the second index range is used for determining whether to put on comfort; generally, the values in the first index range are smaller than the values in the second index range.
In an optional implementation manner of this embodiment, the step of obtaining an actual contact evaluation index of the wearing object and the electrocardiographic electrode specifically includes: impedance information between the wearing object and the electrocardio electrode of the wearable electrocardio device is obtained, and the impedance information is weighted and averaged to obtain an actual contact evaluation index. In this embodiment, a plurality of corresponding impedance information may be obtained at a plurality of positions of the wearing object at the same time, and by weighting and averaging the plurality of impedance information, the influence of possible abnormal values is reduced, so that a more accurate actual contact evaluation index is obtained.
In an optional implementation manner of this embodiment, acquiring an actual contact evaluation index of the wearing object and the wearable electrocardiograph device includes: and obtaining pressure information applied to the wearing object by the electrocardio electrode, and calculating an effective conductive area according to the pressure information to obtain an actual contact evaluation index. That is, after the wearable electrocardiograph monitoring device is worn on the wearing object, the pressure sensors uniformly distributed on the electrocardiograph electrode 20 detect the pressure information between the wearing object and the electrocardiograph electrode 20, the pressure information is transmitted to the central control module 60, the central control module 60 calculates the effective conductive area according to the pressure information, for example, the pressure information is the pressure value of a plurality of areas, and further according to the comparison between each pressure value in each area and the set pressure threshold value, it is determined how many areas are in pressure value greater than the set pressure threshold value, it is indicated how many areas are in effective contact, so that the corresponding effective conductive area is estimated, and the actual contact impedance is calculated according to the obtained effective conductive area by adopting the preset algorithm.
In an alternative implementation manner of the present embodiment, the step of obtaining the stretch recommendation data of the elastic adjustment assembly according to the current body index and/or the pre-stored history wearing bit data specifically includes: matching corresponding stretching values from a database according to the current body index and/or pre-stored historical wearing in-place data; if the number of the stretch values obtained by matching is greater than two, determining a target stretch value with the highest comprehensive weighting score from a plurality of stretch values as a recommended stretch value; if the number of the stretch values obtained by matching is one, the stretch value is determined as a recommended stretch value.
Specifically, based on the fact that the database stores data which respectively comprise a stretching value, a subjective comfort level score, an electrocardio electrode contact quality score and a physical index, when the central control module obtains the current physical index, the central control module can selectively combine with the historical wearing bit data, comprehensively consider the subjective comfort level score and the electrocardio electrode contact quality score to match the stretching value (serving as a recommended stretching value) with the highest comprehensive weighting score from the database, namely, the stretching value with the best matching degree with the physical index of a wearing object serves as the recommended stretching value, and the matching degree of the recommended stretching value and the wearing object is further guaranteed.
In an optional implementation manner of this embodiment, after the step of outputting the corresponding elastic adjustment requirement prompt by the control prompt module, the method further includes: and obtaining subjective comfort degree scores input by the wearing object, calculating a current comprehensive weighting score according to the subjective comfort degree scores and the actual contact evaluation indexes, and storing the current comprehensive weighting score, the recommended stretching value and the current body indexes in a database if the current comprehensive weighting score is larger than a preset score threshold. Namely, the wearing object can score the subjective comfort level, the wearing electrocardiograph monitoring device calculates the current comprehensive weighted score based on the subjective comfort level score and the actual contact evaluation index, and the corresponding current comprehensive weighted score, the recommended stretching value and the current body index, which are larger than the preset score threshold, are stored in the database, so that the wearing object can provide historical wearing data when wearing next time, and the efficiency of the whole prompting flow is improved.
In an optional implementation manner of this embodiment, after the step of obtaining the elasticity adjustment prompting instruction according to the prompting instruction and the stretch recommendation data, the method further includes: and generating a luminous control signal and a recommended stretching value according to the stretching recommended data, and obtaining an elasticity adjustment prompting instruction according to the prompting instruction, the luminous control signal and the recommended stretching value. Namely, after the central control module obtains the elastic adjustment prompt instruction, the central control module can also generate a luminous control signal, and the luminous control signal is sent to the elastic adjustment assembly to drive the corresponding luminous component to lighten so as to accurately and obviously prompt the optimal stretching position of the elastic adjustment assembly. Therefore, the stretching position of the elastic adjusting component is tried and adjusted all the time without wearing the object, and the use experience and the adjusting efficiency of a user are improved.
Referring to fig. 3 again, the present invention provides a wearable electrocardiograph monitoring device, which specifically includes a wearable body, an electrocardiograph electrode 20, an elastic adjustment component 30, a contact measurement device 40, a central control module 60 and a prompt module 70.
The wearing body can be a vest, and the vest can be sleeved on a wearing object, namely the wearing object can wear the vest on the body so as to realize the monitoring of the electrocardio physiological signals.
The electrocardiograph electrode 20 may be disposed in an inner layer of the wearing body, for example, the electrocardiograph electrode 20 is fixed on the inner side of the cloth 10 in the wearing body, and generally consists of a conductive electrode, a lead wire, a conductive adhesive, a sticker and a release film, and when contacting with the skin 100 of the wearing object, an electrocardiograph physiological signal of the wearing object is monitored through the conductive electrode.
The elastic adjustment assembly 30 may be a structure capable of generating compressive forces that is disposed on the electrocardio-electrode 20, and is generally characterized by a deformation that is positively correlated with tensile forces and a deformation that is positively or negatively correlated with material resistance, such as an elastic band. The elastic adjusting component 30 can wrap the electrocardio electrode 20 in a winding manner, when tension is applied to two ends of the elastic adjusting component 30, the elastic adjusting component 30 deforms, and correspondingly pressure is generated to press the electrocardio electrode 20 on a wearing object, so that the contact resistance between the electrocardio electrode 20 and the wearing object changes.
The contact measuring device 40 is a conventional measuring circuit electrically connected to the electrocardiograph electrode 20 and used for detecting an actual contact evaluation index of the wearing object with the electrocardiograph electrode 20. Alternatively, the conventional measurement circuit may be an impedance measurement circuit, and the corresponding actual contact evaluation index may be a contact impedance. That is, the contact resistance between the electrocardiograph electrode and the wearing object can be monitored by the contact measuring device 40, and the contact condition between the electrocardiograph electrode and the wearing object can be objectively reflected.
The central control module 60 is a device with a processing function, such as a main control chip. The central control module can be arranged on the wearing body or integrated with the signal input module and the prompting module into a terminal, and is used for judging whether the actual contact evaluation index exceeds a preset first index range, generating a prompting instruction when the actual contact evaluation index exceeds the first index range, acquiring the current body index of the wearing object and/or pre-stored historical wearing bit data, and acquiring stretching recommended data according to the current body index and/or the pre-stored historical wearing bit data. If the actual contact evaluation index exceeds the first index range, the contact impedance between the wearing object and the electrocardio electrode is too large at the moment, and the accuracy of the detected electrocardio data is correspondingly affected, so that a prompt instruction (which is used for controlling the prompt module 70 later) is timely generated, and the current body index of the wearing object and/or pre-stored historical wearing bit data are acquired.
The prompt module 70 represents a separate device, such as a display or terminal (e.g., cell phone, IPAD, etc.), that can output a prompt signal, the function of which is to output a corresponding elastic adjustment demand prompt based on the prompt instruction and the stretch recommendation data.
That is, after the central control module 60 obtains the prompting instruction and the stretching recommendation data, the prompting instruction and the stretching recommendation data are sent to the prompting module 70, and after the prompting module 70 receives the prompting instruction and the stretching recommendation data, the corresponding elastic adjustment requirement prompting is output according to the prompting instruction and the stretching recommendation data. The elastic adjustment demand cue may be a recommended stretch value. For example, when the central control module 60 generates a prompt instruction and corresponding stretch recommendation data, the prompt module 70 outputs a recommended stretch value based on the stretch adjustment prompt instruction to prompt the user to adjust the stretch adjustment assembly 30 according to the recommended stretch value.
Through the wearing formula electrocardio monitoring devices of this embodiment, on the one hand, through the setting of elasticity adjusting part 30, the pressure that its provided can press the electrocardio electrode on wearing the object, no matter how the stature of wearing the object can both realize closely laminating between them, guarantees the laminating degree of preferred. On the other hand, because the central control module 60 and the prompt module 70 are arranged, when the actual contact evaluation index exceeds the first index range (when the current wearing state of the user is not in line with the requirement), the prompt of elastic adjustment requirement is timely output to prompt the user to correct, so that the wearing suitability between the user and the monitoring device is ensured, the electrode contact defect condition (which correspondingly avoids influencing the accuracy of the monitored electrocardiograph data) generated when the user adjusts the wearing equipment is avoided, and the monitoring stability of the electrocardiograph data monitoring process is improved.
In an optional implementation manner of this embodiment, the central control module is further configured to generate a wearing in-place prompt instruction when the actual contact evaluation index is within the index range; the prompt module is also used for outputting a corresponding wearing in-place prompt according to the wearing in-place prompt instruction. Namely, when the contact impedance of the wearing object and the electrocardio electrode is in a preset contact impedance range (the contact impedance is shown to be in a reasonable range and the monitoring accuracy cannot be affected), a wearing in-place prompt instruction is generated, and the corresponding wearing in-place prompt is output through the wearing in-place prompt instruction control prompt module (the current wearing of the wearing object is reminded to meet the requirement and no adjustment is needed).
Therefore, in a specific use scene, in the process of wearing the wearable electrocardiograph monitoring device by the wearing object, the wearing body is firstly worn on the wearing part, then the electrocardiograph electrode is attached to the contact part, and finally the elastic adjusting component is adjusted to ensure the attachment of the electrocardiograph electrode. When the contact impedance between the contact part of the wearing object and the electrocardio electrode is overlarge (the detection accuracy of electrocardio data is easily influenced), the prompting module prompts that the current wearing state of the wearing object is abnormal and active adjustment is needed; and when the contact impedance between the contact part of the wearing object and the electrocardio electrode meets the requirement (the detection accuracy of the electrocardio data is not affected), the prompting module prompts the wearing object to have normal current wearing state and complete wearing.
In an optional implementation manner of this embodiment, the wearable electrocardiograph monitoring device further includes a signal input module, where the signal input module is configured to obtain a current body index of the wearing object. The current body index includes one or more of height, weight, body fat rate, sex, chest size, and the current body index is obtained by a signal input module, which may be a body detection module (directly detecting the current body index of the wearing object) or an information input device (keyboard or touch screen).
In an alternative implementation of the present embodiment, the central control module obtaining the stretch recommendation data according to the current body index and/or the pre-stored historical wear bit data includes: the central control module matches corresponding stretching values from the database according to the current body index and/or prestored historical wearing in-place data, and if the number of the stretching values obtained by matching is greater than two, the target stretching value with the highest comprehensive weighting score is determined from the plurality of stretching values to be used as a recommended stretching value; if the number of the stretch values obtained by matching is one, the stretch value is determined as a recommended stretch value.
Specifically, based on the fact that the database stores data which respectively comprise a stretching value, a subjective comfort level score, an electrocardio electrode contact quality score and a physical index, when the central control module obtains the current physical index, the central control module can selectively combine with the historical wearing bit data, comprehensively consider the subjective comfort level score and the electrocardio electrode contact quality score to match the stretching value (serving as a recommended stretching value) with the highest comprehensive weighting score from the database, namely, the stretching value with the best matching degree with the physical index of a wearing object serves as the recommended stretching value, and the matching degree of the recommended stretching value and the wearing object is further guaranteed.
Referring to fig. 4, when any one of the upper and lower ends of the elastic adjustment assembly 30 is pulled, for example, the lower end is pulled by a force M, the elastic adjustment assembly 30 generates a pressure N towards the left, so as to tightly press the electrocardiograph electrode 20 on the contact portion (skin) of the wearing object by the pressure N, thereby ensuring a certain degree of fit and achieving the purpose of fixing the wearing body (vest).
The elastic adjusting component can comprise an elastic material and an elastic sensor, the elastic device comprises the elastic material and the elastic sensor, the elastic material is detachably arranged on the wearing body, the elastic sensor is attached to the elastic material, and the elastic sensor and the elastic material stretch together when the upper end and the lower end of the elastic sensor are subjected to tensile force. Wherein the elastic material can be one or a combination of a plurality of groups of spring steel, rubber, sponge and latex; the elastic sensor may be a rubber sensor that can flexibly sense tensile displacement, pressure, and strain. Namely, the elastic device formed by the elastic sensor and the elastic material can provide pressure and monitor specific pressure values.
Alternatively, the elastic material may be connected to an elastic force measuring module 50 by means of a cable connection, and both ends are not significantly deformed by stretching based on the connection portion being made of an inelastic material. The spring force measurement module applies an electrical signal to the spring force sensor and measures its response. In one case, the tensile force of the elastic sensor influences the resistance value of the elastic sensor; in one case, the elastic sensor changes its capacitance value under the influence of tensile force; therefore, deformation information of the elastic adjusting component is detected, and the central control module can judge whether the current wearing state of the wearing object is comfortable or not according to the deformation information.
Referring to fig. 5, the elastic adjusting assembly 30 is provided with a plurality of light emitting components, for example, the elastic adjusting assembly 30 is provided with a plurality of light emitting components 301 at intervals along the stretching direction, and each light emitting portion corresponds to a stretching value at a position of the elastic adjusting assembly 30. In implementation, the wearable evaluation module 80 configured by the wearable electrocardiograph monitoring device is used for generating a light-emitting control signal and a recommended stretching value according to stretching recommended data, and obtaining an elasticity adjustment prompting instruction according to the prompting instruction, the light-emitting control signal and the recommended stretching value.
Specifically, the wearing evaluation module 80 may be an evaluation client, which may find a matching lighting control signal from the database according to the body index, that is, output the most matching case and recommend to the wearing object, and the specific recommended manner may send the lighting control signal to the elastic adjustment assembly 30 to drive the corresponding lighting component to illuminate, so as to prompt the elastic adjustment assembly 30 to have the best stretching position. In this case, the user experience is improved without the wearing object trying on and adjusting the stretch position of the elastic adjusting member 30.
When the elastic adjustment assembly 30 is stretched by the wearing object, the elastic adjustment assembly 30 can be engaged with the corresponding one of the light emitting members 301 through the engaging portion 302 to complete the stretching. In this way, when the wearing evaluation module 80 gives out the light-emitting control signal matched with the body index of the wearing object, the corresponding light-emitting component 301 on the elastic adjusting component 30 will be lightened, so as to prompt the wearing object to bond the joint 302 to the corresponding lightened light-emitting component 301.
Referring to fig. 6, the wearing body may be a vest configured with a chest wearing portion 101, and the elastic adjusting components 30 are plural and uniformly distributed on the chest wearing portion 101 in an annular array. Namely, the plurality of elastic adjusting assemblies 30 are used for respectively acquiring electrocardiosignals at different positions of the wearing object, so that the accuracy of the acquired electrocardiosignals is ensured.
Referring to fig. 7 and 8, the contact measurement device 40 may be provided with a plurality of pressure sensors 21, where the plurality of pressure sensors 21 are uniformly distributed on the electrocardiograph electrodes 20, and are configured to detect pressure values between each electrocardiograph electrode 20 and the skin 100 of the wearing object, so as to feed back the pressure values to the central control module 60, calculate an effective contact area 200 according to the pressure values by the central control module 60, compare the effective contact area 200 with a preset effective threshold, and calculate an actual contact impedance according to the effective contact area when the effective contact area 200 is greater than the preset effective threshold.
Specifically, after the wearable electrocardiograph monitoring device is worn on the wearing object, pressure information between the wearing object and the electrocardiograph electrode 20 is detected by pressure sensors uniformly distributed on the electrocardiograph electrode 20, the pressure information is transmitted to the central control module 60, an effective contact area is calculated by the central control module 60 according to the pressure information, for example, the pressure information is a pressure value of a plurality of areas, and then according to each pressure value in each area and a set pressure threshold value, it is further determined how many areas are in pressure value greater than the set pressure threshold value, it is indicated how many areas are in effective contact, so that a corresponding effective contact area is estimated, and when the effective contact area is greater than the effective threshold value (indicating that the contact is good), an actual contact impedance is calculated according to the effective contact area. Wherein the pressure sensor can be a ribbon-shaped deformation resistor, and the sensors are at least two and are in orthogonal relation.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (12)
1. A method for monitoring a wearable electrocardiograph device is characterized in that,
acquiring an actual contact evaluation index of a wearing object and the wearable electrocardiograph device;
judging whether the actual contact evaluation index exceeds a preset first index range;
if the actual contact evaluation index is in the first index range, generating a wearing in-place prompt instruction;
judging whether the actual contact evaluation index is smaller than a preset second index range after the wearing in-place prompt instruction is generated;
if the actual contact evaluation index is smaller than the second index range, generating a wearing comfort prompt instruction, and outputting a wearing comfort prompt according to the wearing comfort prompt instruction;
generating a prompt instruction when the actual contact evaluation index exceeds the first index range, and acquiring the current body index of the wearing object and the pre-stored historical wearing bit data; wherein the current body index comprises one or more than two of height, weight, body fat rate, sex and chest size;
obtaining stretching recommended data according to the current body index and the pre-stored historical wearing bit data;
outputting a corresponding elastic adjustment demand prompt according to the prompt instruction and the stretching recommended data;
the step of obtaining the stretch recommended data according to the current body index and the pre-stored historical wearing bit data comprises the following steps:
matching corresponding stretching values from a database according to the current body index and prestored historical wearing in-place data; wherein the database stores data respectively comprising a stretching value, a subjective comfort score, an electrocardio electrode contact quality score and a physical index;
and if the number of the stretching values obtained by matching is greater than two, determining the target stretching value with the highest comprehensive weighting score of the subjective comfort score and the electrocardio electrode contact quality score from a plurality of stretching values as a recommended stretching value.
2. The method for monitoring a wearable electrocardiograph device according to claim 1, wherein the acquiring the actual contact evaluation index of the wearable object and the wearable electrocardiograph device includes:
acquiring impedance information between a wearing object and an electrocardio electrode of the wearable electrocardio device;
and carrying out weighted averaging on the impedance information to obtain an actual contact evaluation index.
3. The method for monitoring a wearable electrocardiograph device according to claim 1, wherein the acquiring the actual contact evaluation index of the wearable object and the wearable electrocardiograph device includes:
obtaining pressure information applied by an electrocardio electrode to the wearing object;
and calculating the effective conductive area according to the pressure information to obtain an actual contact evaluation index.
4. The method of monitoring a wearable electrocardiograph device according to claim 1, wherein the obtaining stretch recommendation data based on the current body metrics and pre-stored historical wear-to-bit data further comprises:
and if the number of the stretch values obtained by matching is one, determining the stretch value as a recommended stretch value.
5. The method for monitoring a wearable electrocardiograph according to claim 4, further comprising, after the step of outputting the corresponding elastic adjustment requirement prompt according to the prompt command and the stretch recommendation data:
obtaining subjective comfort degree scores input by the wearing objects, and calculating current comprehensive weighting scores according to the subjective comfort degree scores and the actual contact evaluation indexes;
and if the current comprehensive weighted score is larger than a preset score threshold, storing the current comprehensive weighted score, the recommended tensile value and the current body index in a database.
6. The method for monitoring a wearable electrocardiograph device according to claim 1, wherein outputting the corresponding elastic adjustment requirement prompt according to the prompt command and the stretch recommendation data comprises:
generating a lighting control signal and a recommended stretching value according to the stretching recommended data;
and outputting a corresponding elastic adjustment demand prompt according to the prompt instruction, the luminous control signal and the recommended stretching value.
7. The wearable electrocardio monitoring device is characterized by comprising a wearable body, an electrocardio electrode, an elastic adjusting component, a contact measuring device, a central control module and a prompting module;
the elastic adjusting component is arranged on the electrocardio electrode and provides pressure when being stretched so as to press the electrocardio electrode to a wearing object of the wearing body;
the contact measurement device is used for acquiring an actual contact evaluation index of the wearing object and the electrocardio electrode;
the central control module is used for judging whether the actual contact evaluation index exceeds a preset first index range, generating a prompt instruction when the actual contact evaluation index exceeds the first index range, acquiring the current body index of the wearing object and pre-stored historical wearing bit data, and acquiring stretching recommended data according to the current body index and the pre-stored historical wearing bit data; wherein the current body index comprises one or more than two of height, weight, body fat rate, sex and chest size;
the prompting module is used for outputting a corresponding elastic adjustment requirement prompt according to the prompting instruction and the stretching recommendation data;
the central control module is further configured to: if the actual contact evaluation index is in the first index range, generating a wearing in-place prompt instruction; judging whether the actual contact evaluation index is smaller than a preset second index range after the wearing in-place prompt instruction is generated; if the actual contact evaluation index is smaller than the second index range, generating a wearing comfort prompt instruction;
the prompting module is further used for: outputting a wearing in-place prompt according to the wearing in-place prompt instruction; outputting a wearing comfort prompt according to the wearing comfort prompt instruction;
the central control module is specifically configured to, when executing the function of obtaining the stretch recommendation data according to the current body index and the pre-stored history wearing bit data: matching corresponding stretching values from a database according to the current body index and/or pre-stored historical wearing in-place data; wherein the database stores data respectively comprising a stretching value, a subjective comfort score, an electrocardio electrode contact quality score and a physical index; and if the number of the stretching values obtained by matching is greater than two, determining the target stretching value with the highest comprehensive weighting score of the subjective comfort score and the electrocardio electrode contact quality score from a plurality of stretching values as a recommended stretching value.
8. The wearable electrocardiographic monitoring device of claim 7 further comprising a signal input module;
the signal input module is used for acquiring the current body index of the wearing object.
9. The wearable electrocardiographic monitoring device of claim 7 wherein the elastic adjustment assembly comprises:
the elastic material is detachably arranged on the wearing body;
and the elastic sensor is attached to the elastic material and stretches together with the elastic material when the upper end and the lower end of the elastic sensor are subjected to tensile force.
10. The wearable electrocardiograph monitoring device according to claim 7, further comprising a wearable evaluation module, wherein the elastic adjustment assembly is provided with a plurality of light emitting components, and each light emitting component corresponds to one stretching position;
the wearing evaluation module is also used for generating a luminous control signal and a recommended stretching value according to the stretching recommended data and obtaining an elasticity adjustment prompting instruction according to the prompting instruction, the luminous control signal and the recommended stretching value;
the light-emitting component is used for entering a corresponding working state according to the light-emitting control signal.
11. The wearable electrocardiographic monitoring device of claim 7 further comprising a pressure sensor;
the pressure sensor is electrically connected with the central control module and is used for detecting pressure information between the wearing object and the electrocardio electrode and transmitting the pressure information to the central control module.
12. The wearable electrocardiographic monitoring device of claim 11 wherein the pressure sensor is a ribbon shape deformation resistor, the ribbon shape deformation resistor being at least two in number and in orthogonal relationship in position.
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| CN108693228A (en) * | 2018-03-30 | 2018-10-23 | 天津工业大学 | A kind of wear-type electrocardioelectrodevice performance evaluation test platform |
| CN111714087A (en) * | 2020-06-02 | 2020-09-29 | 安徽华米信息科技有限公司 | Wearable physiological signal measuring device and control method thereof |
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| CN110381817A (en) * | 2017-01-05 | 2019-10-25 | 利弗梅特里克(医疗)股份公司 | For providing the system and method for blood pressure sensor placement and the user feedback of contact quality |
| CN107510448A (en) * | 2017-08-14 | 2017-12-26 | 青岛海信移动通信技术股份有限公司 | A kind of wrist strap wearing position reminding method and wrist strap |
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