CN115486852A - Heart rehabilitation equipment, control method and device thereof, and storage medium - Google Patents
Heart rehabilitation equipment, control method and device thereof, and storage medium Download PDFInfo
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Abstract
The embodiment of the application provides a heart rehabilitation device and a control method, a control device and a storage medium thereof, wherein a first acquisition signal of a detection measurement part of an electrocardio sensor is acquired in a low power consumption mode; analyzing whether the first collected signal is a valid electrocardiosignal meeting a first preset condition or not; if so, the heart rehabilitation equipment is controlled to enter a normal working mode, and the electrocardio data is acquired in the normal working mode, so that the heart rehabilitation equipment firstly works in a low-power-consumption mode, only after an effective electrocardiosignal is acquired, the heart rehabilitation equipment enters the normal working mode, the electrocardio detection is not required to be continuously performed in the normal working mode, the self-starting heart rehabilitation equipment can be prevented from being touched by mistake, the power consumption of the equipment is reduced, and the standby time is prolonged.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to cardiac rehabilitation equipment, a control method and a control device of the cardiac rehabilitation equipment, and a storage medium of the cardiac rehabilitation equipment.
Background
The heart rehabilitation equipment comprises heart follow-up visit and rehabilitation exercise training equipment, and with the popularization of smart phones, tablets and smart televisions, the market demand for household and personal use is gradually increased and the wearable type equipment is developed. The heart rehabilitation equipment is generally small in size, is powered by an internal battery (a lithium battery, a button battery and the like), and is convenient to carry and wear. The service time of the product is limited by the capacity of the battery, the use of a large-capacity battery can increase the volume of the product, influence the appearance effect and reduce the convenience of wearable use, but the small appearance design can make the limited battery capacity difficult to support long-time use.
The convenience and the usability of wearable equipment are important concerns in current functional design, and a plurality of wearable health products need to be used in an undisturbed manner, and operation steps need to be reduced, namely the wearable equipment is taken and used without on-off operation. The function has great significance in the elderly who need heart rehabilitation, realizes automatic self-starting work, becomes a practical requirement, and particularly brings great convenience to the elderly by reducing operation steps. For the follow-up people in the heart rehabilitation stage, the function is more important, when the feeling of heart discomfort needs to be monitored, recorded and sent to an on-line guardian in time, the step of switching on and off is omitted, the operation time is greatly saved, and convenience is brought.
However, the general problem encountered at present is that the heart rehabilitation device can encounter various interferences (electromagnetic interference and electrostatic friction) in the process of being carried around, and also can encounter mistaken touch, under the external condition, the device can be automatically started due to the mistaken touch and the interference, if the device starts to work, the recorded interference signal is monitored instead of a correct and stable signal, some interference time is long, and the device can be automatically shut down after a period of time. These all cause the electric quantity of internal battery to consume, do not use several times and need to change the battery or charge, find the electric quantity is not enough and can't work when needing to use, etc. the problem. Moreover, the user is not a medical professional with expertise and cannot discern the quality of the recorded signal. Therefore, the self-starting of the heart rehabilitation equipment under the states of false triggering and interference is prevented, and the method has great practical significance for increasing the standby time of the equipment and improving the signal quality of the acquisition record.
Disclosure of Invention
The embodiment of the application provides a heart rehabilitation device, a control method and a control device thereof, and a storage medium, which can realize the anti-false-touch electrocardio detection of the self-started heart rehabilitation device, reduce the power consumption of the device, prolong the standby time and provide high-quality electrocardiogram information.
A first aspect of an embodiment of the present application provides a method for controlling a cardiac rehabilitation device, where the cardiac rehabilitation device includes an electrocardiograph sensor, and the method includes:
acquiring a first acquisition signal of a detection measurement part of the electrocardio sensor in a low power consumption mode;
analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition or not;
and if so, controlling the heart rehabilitation equipment to enter a normal working mode, and carrying out electrocardiogram data acquisition and rehabilitation training in the normal working mode.
A second aspect of the embodiments of the present application provides a control apparatus for a cardiac rehabilitation device, where the control apparatus is applied to the cardiac rehabilitation device, and the cardiac rehabilitation device includes an electrocardiograph sensor; the control device of the heart rehabilitation equipment comprises:
the electrocardio acquisition unit is used for acquiring a first acquisition signal of a detection measurement part of the electrocardio sensor in a low power consumption mode;
the analysis unit is used for analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition or not;
and the control unit is used for controlling the heart rehabilitation equipment to enter a normal working mode under the condition that the first acquisition signal is an effective electrocardiosignal meeting a first preset condition, and acquiring electrocardio data under the normal working mode.
A second aspect of embodiments of the present application provides a cardiac rehabilitation device comprising an electrocardiograph sensor, a processor, a communication unit and a memory, wherein the electrocardiograph sensor, the communication unit and the memory are connected to the processor, and the processor is configured to perform the steps of the method according to any one of claims 1 to 7.
In a fourth aspect, the present application provides a computer-readable storage medium, where the computer-readable storage medium is used to store a computer program, where the computer program is used to make a computer execute some or all of the steps described in the first aspect of the present application.
In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product comprises a non-transitory computer-readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps as described in the first aspect of embodiments of the present application. The computer program product may be a software installation package.
The embodiment of the application has the following beneficial effects:
it can be seen that, with the cardiac rehabilitation device and the control method, apparatus, and storage medium thereof described in the embodiments of the present application, a first acquisition signal of a measurement portion detected by the electrocardiograph sensor is acquired in a low power consumption mode; analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition or not; if so, controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode, so that the heart rehabilitation equipment firstly works in a low-power consumption mode, only after acquiring effective electrocardiogram signals, the heart rehabilitation equipment enters the normal working mode, the electrocardiogram detection is not required to be continuously performed in the normal working mode, the self-started heart rehabilitation equipment can be prevented from being touched by mistake, the power consumption of the equipment is reduced, the standby time is prolonged, and high-quality electrocardiogram information is acquired.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cardiac rehabilitation device provided by an embodiment of the present application;
fig. 2 is a flowchart illustrating an embodiment of a control method for a cardiac rehabilitation device according to an embodiment of the present application;
fig. 3 is a schematic flowchart of an embodiment of a control method of another cardiac rehabilitation apparatus according to an embodiment of the present application;
fig. 4 is a flowchart illustrating an embodiment of a control method for a cardiac rehabilitation apparatus according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a control device of a cardiac rehabilitation apparatus according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be obtained by a person skilled in the art without any inventive step based on the embodiments in the present application belong to the protection scope of the present application.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The heart rehabilitation equipment comprises heart follow-up visit and rehabilitation exercise training equipment, and with the popularization of smart phones, tablets and smart televisions, the market demand for household and personal use is gradually increased and the wearable type equipment is developed. The heart rehabilitation equipment is generally small in size, is powered by an internal battery (a lithium battery, a button battery and the like), and is convenient to carry and wear. This makes the live time of this kind of product receive the capacity of battery restriction, uses the large capacity battery can increase the product volume, influences the outward appearance effect, reduces the convenience of wearable use, but the design of small and exquisite outward appearance has and makes limited battery capacity difficult to support long-time use.
The convenient ease of use of wearable equipment is the important focus in the functional design at present, and many wearable healthy products all need undisturbed formula to use to need to reduce the operating procedure, take promptly and use, need not the switch on and off operation. The function has great significance in the elderly who need heart rehabilitation, realizes automatic self-starting work, becomes a practical requirement, and particularly brings great convenience to the elderly by reducing operation steps. For the follow-up people in the heart rehabilitation stage, the function is more important, when the feeling of heart discomfort needs to be monitored, recorded and sent to an on-line guardian in time, the step of switching on and off is omitted, the operation time is greatly saved, and convenience is brought.
At present, in daily use of heart rehabilitation equipment, most of the heart rehabilitation equipment needs a physical switch to turn on the equipment, is connected with software (such as a mobile phone APP) of intelligent equipment, and then starts monitoring and recording work. After the use is finished, the physical switch is required to close the equipment, and the monitoring and recording work and the disconnection of the software of the intelligent equipment are finished. Physical switches are removed from a few products, automatic startup and shutdown are realized by adopting signals generated after the external dry electrodes are contacted, the physical switches are not arranged on the appearance of the products, and the operation is simple. However, a common problem encountered at present is that the cardiac rehabilitation device is subjected to various interferences (electromagnetic interference and electrostatic friction) in the process of being carried around, and is also subjected to mistaken touch, under the external condition, the device is automatically started, if the cardiac rehabilitation device starts to work, the recorded interference signals are monitored, and some continuous interferences can cause the device to be automatically shut down after a period of time. These all lead to the electric quantity consumption of inside battery, do not use several and need to change the battery or charge, find the electric quantity is not enough scheduling problem when needing to use, so increase the new self-starting evaluation method in the equipment inside, prevent the self-starting under the false triggering and interference state, greatly increase the stand-by time of equipment, and guarantee that the signal of record is high-quality information, and the reality is significant.
The heart rehabilitation equipment adopts the electrocardio sensor to monitor electrocardiosignals. When the electrocardio sensor is used, after a human body is in real and reliable contact with a dry electrode of the electrocardio sensor, the electrocardio sensor is automatically started after internal judgment, analysis and confirmation are carried out on the equipment. In the automatic starting process, a set of flow program for judging the starting of the equipment is arranged in the equipment, and the equipment is started to start monitoring work after a preset condition is reached. Before the equipment is automatically started, the equipment is in a dormant state or a standby state with ultra-low power consumption, and the equipment starts to work only when the equipment really reaches a starting condition, so that the false triggering of the automatic starting can be greatly reduced, the power consumption of the equipment is also reduced, and the service life of a power supply in the equipment is greatly prolonged.
Referring to fig. 1, fig. 1 is a schematic illustration showing a heart rehabilitation device according to an embodiment of the present application. The heart rehabilitation device 100 comprises an electrocardio sensor 10, a processor 20, a communication unit 30, a power supply 50 and a memory 40, wherein the electrocardio sensor 10, the communication unit 30 and the memory 40 are connected with the processor, and the electrocardio sensor is used for acquiring electrocardio signals; the processor is configured to:
acquiring a first acquisition signal of a detection measurement part of the electrocardio sensor in a low power consumption mode;
analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition or not;
and if so, controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode.
Optionally, the analyzing whether the first collected signal is a valid electrocardiographic signal meeting a first preset condition includes:
sampling the first acquisition signal to obtain a sampled digital signal;
dividing the digital signal into M segments, each segment having a length L,
carrying out cyclic cumulant estimation on the digital signals with the length L of the M section to obtain the cyclic cumulant of each digital signal; if the circulating cumulant is larger than a first preset value, determining the position of the corresponding digital signal as a circulating point;
and if the time difference between the circulating points of all the two adjacent positions is within a preset time range, determining the first acquisition signal as an effective electrocardiosignal meeting a first preset condition.
Optionally, after performing cyclic accumulation estimation on the digital signals with length L of the M segments to obtain cyclic accumulation of each digital signal, the processor is further configured to:
and carrying out noise processing on the circulating cumulant to obtain the denoised circulating cumulant.
Optionally, the cardiac rehabilitation apparatus further comprises an acceleration sensor 60, the processor is further configured to:
in the standby mode, a motion signal is detected by the acceleration sensor 60;
when the acceleration sensor detects that a motion signal is generated, controlling the heart rehabilitation equipment to enter a low power consumption mode; and under a low power consumption mode, controlling the electrocardio sensor to detect a first acquisition signal of a measurement part.
Wherein, the acceleration sensor can be a triaxial acceleration sensor.
Optionally, the cardiac rehabilitation device is further configured to: after the acceleration sensor detects that a motion signal is generated, the electrocardio sensor is not started to acquire signals within a set time window;
and when the set time window is reached, starting the electrocardio sensor to detect.
Optionally, the analyzing whether the first collected signal is a valid ecg signal that satisfies a first preset condition includes:
if the first acquisition signal is a first level signal in a first preset time period, and the first level signal is a low level signal or a high level signal, determining that the first acquisition signal is an effective electrocardiosignal meeting a first preset condition;
and if the first acquisition signal is a signal showing different frequency changes within a first preset time period, determining that the first acquisition signal is not an effective electrocardiosignal meeting a first preset condition.
Optionally, the cardiac rehabilitation device is further configured to: and if the first acquisition signal is not an effective electrocardiosignal meeting a first preset condition, controlling the heart rehabilitation equipment to recover to the standby mode, and continuously detecting a motion signal through the acceleration sensor.
Optionally, the cardiac rehabilitation device may transmit the collected valid cardiac electrical signals to an external device.
The external device can be a mobile phone and a computer of a user, and can also be wearable devices such as an intelligent bracelet and an intelligent watch.
According to the heart rehabilitation device, the first acquisition signal of the detection measurement part of the electrocardio sensor is acquired in a low power consumption mode; analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition or not; if so, controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode, so that the heart rehabilitation equipment firstly works in a low-power-consumption mode, only after acquiring effective electrocardiogram signals, enters the normal working mode, does not need to continuously perform electrocardiogram detection in the normal working mode, can realize that the self-started heart rehabilitation equipment prevents false touch, reduces the power consumption of the equipment, prolongs the standby time, and acquires high-quality electrocardiogram information.
Please refer to fig. 2, which is a flowchart illustrating an embodiment of a method for controlling a cardiac rehabilitation apparatus according to an embodiment of the present disclosure. The control method of the cardiac rehabilitation device described in this embodiment is applied to the cardiac rehabilitation device, the cardiac rehabilitation device includes an electrocardiograph sensor, and the control method of the cardiac rehabilitation device includes the following steps:
101. and acquiring a first acquisition signal of a detection measurement part of the electrocardio sensor in a low power consumption mode.
The heart rehabilitation equipment can be set in a low power consumption mode and a normal working mode, and can trigger a temporary power supply to supply power in the low power consumption mode; in the normal working mode, the heart rehabilitation equipment starts all power supplies to be powered on, and the power consumption is larger than that of the equipment in the low power consumption mode.
In specific implementation, the first acquisition signal is acquired, and the analog signal after the target duration may be acquired, that is, the acquisition is started after the electrocardiographic signal is detected and the target duration elapses, where the target duration may be, for example, 3 seconds.
102. And analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition.
The cardiac rehabilitation apparatus may comprise an analysis algorithm for analyzing whether the first collected signal is a valid cardiac signal satisfying a first preset condition. In specific implementation, the electrocardio sensor of the heart rehabilitation equipment can adopt a dry electrode to contact a measurement part for detecting electrocardio signals, and when the measurement part stably contacts the dry electrode, a circuit of the heart rehabilitation equipment detects signal change. When the heart rehabilitation device detects the signal change, the heart rehabilitation device is considered to have the input of the effective signal.
When the dry electrode and the measuring part are not in reliable contact, namely in interference contact or in artificial false contact, the signal is unstable and shows irregular frequency change due to irregular QRS waves. When the dry electrode and the measurement part are in reliable contact, namely non-interference contact or non-artificial false contact, the signal is generally stable, and when the electrocardiogram is acquired, regular QRS waves appear, so that certain regular frequency changes are presented.
103. And if so, controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode.
The control of the heart rehabilitation equipment to enter the normal working mode means that the heart rehabilitation equipment starts the power supply of all units to acquire the electrocardio data.
In specific implementation, when the heart rehabilitation device starts a processor (for example, a Central Processing Unit (CPU)) and judges through an internal program that the current contact is reliable contact, namely, after signals are stable and have certain regularity, all power supplies of the device are started, so that the device is prevented from being started under the condition of mistaken contact, and extra power consumption caused by starting due to interference signals can be shielded to the maximum extent.
For example, the dry electrode stably contacts the measurement part, a temporary power supply can be triggered to start the CPU through a signal detected by the electrocardio sensor, the CPU is still in a low power consumption mode at the moment, and a program algorithm in the CPU continuously analyzes the signal data so as to prevent the startup from being triggered by mistake. When the program detects a stable and reliable ECG signal from the dry electrode, i.e. a signal with a certain regular frequency variation, the CPU enters a normal working mode and locks the power supply, and at this time, the device is really started up to supply power to all units to start working.
Since the interfering signal states are unstable and irregular, the signal is difficult to exist in a stable state, and the method can filter out the unstable signals. If the interference signal appears stable for a certain time and triggers the temporary power supply to start the CPU, the CPU program can also control the equipment to operate in a low power consumption mode at the moment, and meanwhile, the reliability and the regularity of the signal are analyzed.
According to the control method of the heart rehabilitation equipment, the first acquisition signal of the detection measurement part of the electrocardio sensor is acquired in a low power consumption mode; analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition or not; and if so, controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode. Therefore, the heart rehabilitation equipment works in a low power consumption mode, the normal working mode is started only after effective electrocardiosignals are collected, the electrocardio detection is continuously carried out in the normal working mode to consume the internal electric quantity in an unknown state, the method can prevent the self-starting heart rehabilitation equipment from being touched by mistake, reduce the power consumption of the equipment, prolong the standby time and collect high-quality electrocardio information.
Optionally, the analyzing whether the first collected signal is a valid electrocardiographic signal meeting a first preset condition includes:
sampling the first acquisition signal to obtain a sampled digital signal;
dividing the digital signal into M segments, each segment having a length L,
carrying out cyclic cumulant estimation on the digital signals with the length L of the M section to obtain the cyclic cumulant of each digital signal; if the circulating cumulant is larger than a first preset value, determining the position of the corresponding digital signal as a circulating point;
and if the time difference between the circulating points of all the two adjacent positions is within a preset time range, determining the first acquisition signal as an effective electrocardiosignal meeting a first preset condition.
The sampling frequency is 200HZ, for example, 5 seconds of analog signal is taken, and the analog signal y (t) is sampled with t as a period, so as to obtain a digital signal y (N) = { y) = 1 ，y 2 ，y 3 .......y N }. Each sampling time period t is 0.05 second, an analog signal with a sampling frequency of 200hz per second and 5 seconds is converted into a digital signal, and the data length N is 1000, i.e., N =1000.
And carrying out cycle accumulation estimation on the digital signal y (N), and taking the cycle accumulation as the detection of the periodic cycle frequency. Specifically, the digital signal y (N) may be divided into M segments, each segment has a length L, N = ML, for example, taking 5 seconds of data as an example, each segment takes 0.5 seconds of data, and M =5 seconds/0.5 seconds, the data is divided into 10 segments. The number of 5 seconds of data N =1000, the number of data in each segment L =1000/M =100, and the cyclic accumulation amount estimate y (k) is obtained by performing periodic averaging, and the calculation formula is as follows:
wherein: j is an imaginary unit, i.e. j 2 ＝-1，e -j2πkL/N ＝cos(2πkL/N)+jsin(2πkL/N)。
Wherein a first predetermined value th can be predetermined, if
The representation k is a frequency cycle of the digital signal y (N), i.e. the position where the QRS waveform of the electrocardiogram appears. Sequentially detecting all the circulating points in the digital signal y (N) to obtain a set A (j) = { a) = 1 ,a 2 ,a 3 .......a j And if the time difference of all the adjacent two positions in A (j) is within a preset time length range, the detected signal is considered as an effective electrocardiosignal, and the preset time length range is [0.5 second, 1.2 seconds for example]。
Optionally, after performing cyclic accumulation estimation on the digital signals with length L of the M segments to obtain cyclic accumulation of each digital signal, the method further includes:
and carrying out noise processing on the circulating cumulant to obtain the denoised circulating cumulant.
Wherein the cyclic accumulation amount is estimated
Noise processing is carried out, the influence of noise on the cycle cumulant estimation is suppressed, and the result is obtained after suppression
The formula is as follows:
wherein: r is a value from 0 to L, typically taking the median value from 0 to L, i.e. r = L/2.
If it is not
The representation k is a frequency cycle of the digital signal y (N), i.e. the position where the QRS waveform of the electrocardiogram appears.
Optionally, the method further comprises:
and if the first acquisition signal is not the effective electrocardiosignal meeting the first preset condition, continuing to maintain the low power consumption mode.
In the application, if the first collected signal is determined not to belong to the valid electrocardiosignal after being analyzed, the low-power mode is continuously maintained, and whether the valid electrocardiosignal exists or not is monitored, so that the electric quantity can be saved.
Optionally, the cardiac rehabilitation device further comprises an acceleration sensor, the method further comprising:
detecting a motion signal by the acceleration sensor in a standby mode;
when the acceleration sensor detects that a motion signal is generated, controlling the heart rehabilitation equipment to enter a low power consumption mode; and under a low power consumption mode, controlling the electrocardio sensor to detect a first acquisition signal of a measurement part.
In the application, the characteristics of the heart rehabilitation equipment moving in a use scene can be combined, and the acceleration sensor is added to judge the false touch. The heart rehabilitation device comprises a low power consumption mode and a normal working mode, and can also comprise a standby mode, wherein the standby mode can also be understood as an ultra-low power consumption mode, the power consumption in the standby mode is less than that in the low power consumption mode, the heart rehabilitation device only provides a power supply to detect a motion signal in the standby mode, and the heart rehabilitation device enters the low power consumption mode to detect an electrocardiosignal after detecting the motion signal.
In specific implementation, the heart rehabilitation device can detect a motion signal through the acceleration sensor, and after the motion signal is detected, the heart rehabilitation device controls the electrocardio sensor to start electrocardio signal detection in a low-power-consumption mode, so that the electrocardio sensor does not need to work continuously, data processing for continuously carrying out effectiveness analysis on the electrocardio signal is reduced, and power consumption can be saved.
Optionally, the analyzing whether the first collected signal is a valid ecg signal meeting a first preset condition includes:
if the first acquisition signal is a first level signal in a first preset time period, and the first level signal is a low level signal or a high level signal, determining that the first acquisition signal is an effective electrocardiosignal meeting a first preset condition;
and if the first acquisition signal is a signal showing different frequency changes within a first preset time period, determining that the first acquisition signal is not an effective electrocardiosignal meeting a first preset condition.
The differential signal acquisition circuit is arranged, so that whether the electrocardiosignals belong to effective electrocardiosignals or not can be judged through the first acquisition signals output by the differential signal acquisition circuit.
Specifically, if the electrocardiograph sensor is stably contacted with a measurement part, a first acquisition signal is a first level signal within a first preset time period, and the first level signal is, for example, a low level signal, the first acquisition signal is determined to be an effective electrocardiograph signal meeting a first preset condition; when the measurement part leaves the dry electrode of the electrocardio-sensor, the first acquisition signal detected by the electrocardio-sensor is a second level signal, and the second level signal is opposite to the first level signal, for example, the second level signal is a high level signal. If the electrocardio sensor is triggered by mistake, the interference signal can show the change of different frequencies. Therefore, through the characteristics of the first collected signals output under different conditions, whether the first collected signals are effective electrocardiosignals meeting a first preset condition or not can be analyzed.
Optionally, the method further comprises:
after the acceleration sensor detects that a motion signal is generated, the electrocardio sensor is not started to acquire signals within a set time window;
and when the set time window is reached, starting the electrocardio sensor to detect.
Since the user takes the heart rehabilitation device to hold the electrode on the handheld device to start collecting, the time is generally calculated in seconds, generally, 2-3 seconds are needed from the time when the user detects that the user moves to the time when the user well touches the electrode, and the time possibly needed by some old people is longer and reaches more than 5 seconds due to slow movement. Furthermore, a signal settling time is typically required after initial contact with the metal electrode portion of the handheld device, and the initially acquired 1-3 second waveform is a disturbance or baseline wander waveform. Therefore, a time window for starting the electrocardiograph sensor to detect the electrocardiograph acquisition signal after detecting the motion signal can be preset, and for example, the time window can be set at least 3 seconds later.
According to the invention, when the motion signal tends to be stable and the electrocardio sensor detects an effective electrocardio signal, the heart rehabilitation equipment can be automatically started to carry out electrocardio signal acquisition under a normal working mode.
After the heart rehabilitation equipment enters a normal working mode, the electrocardiosignal acquisition is carried out, the acquired electrocardiosignal can be transmitted to external equipment, such as a mobile phone of a user, and an acquisition completion instruction can be sent to the heart rehabilitation equipment through the mobile phone of the user after the electrocardiosignal acquisition is completed, so that the heart rehabilitation equipment is instructed to recover to a low power consumption mode, and whether effective electrocardiosignals exist or not is continuously monitored.
Optionally, the method further comprises:
and if the first acquisition signal is not an effective electrocardiosignal meeting a first preset condition, controlling the heart rehabilitation equipment to recover to the standby mode, and continuously detecting a motion signal through the acceleration sensor.
In a possible embodiment, the cardiac rehabilitation device may further include a standby mode in addition to the low power consumption mode and the normal operation mode, and when the first collected signal is detected to be an effective electrocardiographic signal that does not satisfy the first preset condition, the cardiac rehabilitation device may be controlled to return to the standby mode, and the motion signal is continuously detected, and in the standby mode, the cardiac rehabilitation device saves power consumption to the greatest extent.
It can be seen that, with the control method of the cardiac rehabilitation device described in the embodiment of the present application, on one hand, a scheme of cyclic cumulant estimation may be adopted to analyze whether the first collected signal is an effective electrocardiographic signal, or, an acceleration sensor may be further combined, and level determination may be further performed on the first collected signal output by the differential signal collection circuit to determine whether the first collected signal is an effective electrocardiographic signal, so that a self-started cardiac rehabilitation device is prevented from being touched by mistake, power consumption of the device is reduced, standby time is prolonged, and high-quality electrocardiographic information is collected.
In accordance with the above, please refer to fig. 3, which is a flowchart illustrating an embodiment of a method for controlling a cardiac rehabilitation apparatus according to an embodiment of the present application. In the control method of the cardiac rehabilitation apparatus described in this embodiment, the control method of the cardiac rehabilitation apparatus includes the steps of:
201. and acquiring a first acquisition signal y (t) of the detection measurement part of the electrocardio sensor in a low power consumption mode.
The first acquisition signal is an analog signal, which may be denoted as y (t).
202. And sampling the first acquisition signal to obtain a sampled digital signal y (N).
Sampling the analog signal y (t) by taking t as a period to obtain a digital signal y (N) = { y = { (y) } 1 ，y 2 ，y 3 .......y N }。
203. And dividing the digital signal into M sections, wherein the length of each section is L.
204. Carrying out cyclic cumulant estimation on the digital signals with the length of L of the M segments to obtain the cyclic cumulant of each digital signal
Carrying out noise processing on the circulation cumulant to obtain the denoised circulation cumulant
If the circulation cumulant exists
If the value is larger than the first preset value th, the position of the corresponding digital signal is determined as a circulating point.
205. And if the time difference between the circulating points of all the two adjacent positions is within a preset time range, determining the first acquisition signal as an effective electrocardiosignal meeting a first preset condition.
206. And controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode.
207. And if the first acquisition signal is not the effective electrocardiosignal meeting the first preset condition, continuing to maintain the low power consumption mode.
In specific implementation, the heart rehabilitation device continues to maintain a low power consumption mode, can continue to acquire the first acquisition signal, and monitors whether the effective electrocardiosignal exists.
The detailed description of steps 201 to 207 may refer to corresponding steps 101 to 103 of the control method of the cardiac rehabilitation device described in fig. 2, and will not be described herein again.
Therefore, by adopting the cyclic cumulant estimation, whether the first collected signal is the effective electrocardiosignal meeting the first preset condition is analyzed, so that the heart rehabilitation equipment firstly works in a low-power-consumption mode, only after the effective electrocardiosignal is collected, the heart rehabilitation equipment enters a normal working mode, and the electrocardio detection is continuously carried out in the normal working mode under an unknown state to consume the internal electric quantity.
In accordance with the above, please refer to fig. 4, which is a flowchart illustrating an embodiment of a method for controlling a cardiac rehabilitation apparatus according to an embodiment of the present disclosure. In the control method of the cardiac rehabilitation device described in this embodiment, the control method of the cardiac rehabilitation device includes the steps of:
301. in the standby mode, a motion signal is detected by the acceleration sensor.
302. When the acceleration sensor detects that a motion signal is generated, controlling the heart rehabilitation equipment to enter a low power consumption mode; and under a low power consumption mode, controlling the electrocardio sensor to detect a first acquisition signal of a measurement part.
303. And if the first acquisition signal is a first level signal in a first preset time period, and the first level signal is a low level signal or a high level signal, determining that the first acquisition signal is an effective electrocardiosignal meeting a first preset condition.
304. And controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode.
305. And if the first acquisition signal is a signal showing different frequency changes within a first preset time period, determining that the first acquisition signal is not an effective electrocardiosignal meeting a first preset condition.
306. And if the first acquisition signal is not the effective electrocardiosignal meeting the first preset condition, the standby mode is recovered, and the motion signal is continuously detected through the acceleration sensor.
In specific implementation, when the first acquisition signal is detected to be an effective electrocardiosignal which does not meet the first preset condition, the heart rehabilitation device can be controlled to recover to a standby mode, and the motion signal is continuously detected.
The detailed descriptions of steps 301 to 306 may refer to corresponding steps 101 to 103 of the control method of the cardiac rehabilitation device described with reference to fig. 2, and are not repeated herein.
Therefore, the motion signal is detected through the acceleration sensor, whether the first collected signal is the effective electrocardiosignal meeting the first preset condition or not is analyzed, so that the heart rehabilitation equipment works in a low-power-consumption mode firstly, the heart rehabilitation equipment enters a normal working mode only after the effective electrocardiosignal is collected, the heart rehabilitation equipment does not need to continuously carry out the electrocardio detection in the normal working mode under an unknown state to consume the internal electric quantity, the self-starting heart rehabilitation equipment can be prevented from being touched by mistake, the power consumption of the equipment is reduced, the standby time is prolonged, and the high-quality electrocardio information is collected.
Fig. 5 is a schematic structural diagram of an embodiment of a control device of a cardiac rehabilitation apparatus according to an embodiment of the present application. The control device 500 of the cardiac rehabilitation apparatus described in this embodiment is applied to a cardiac rehabilitation apparatus including an electrocardiographic sensor; the control device of the heart rehabilitation equipment comprises:
the electrocardiogram acquisition unit 501 is configured to acquire a first acquisition signal of a detection measurement portion of the electrocardiogram sensor in a low power consumption mode;
an analyzing unit 502, configured to analyze whether the first collected signal is an effective electrocardiographic signal meeting a first preset condition;
the control unit 503 is configured to, when the first acquisition signal is an effective electrocardiographic signal meeting a first preset condition, control the cardiac rehabilitation device to enter a normal working mode, and perform electrocardiographic data acquisition in the normal working mode.
It can be understood that the functions of each program module of the control apparatus of the cardiac rehabilitation device in this embodiment can be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process thereof may refer to the related description of the foregoing method embodiment, which is not described herein again.
Acquiring a first acquisition signal of a detection measurement part of the electrocardio sensor in a low power consumption mode; analyzing whether the first collected signal is a valid electrocardiosignal meeting a first preset condition or not; if so, controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode, so that the heart rehabilitation equipment firstly works in a low-power-consumption mode, enters the normal working mode only after acquiring effective electrocardiogram signals, and continuously performs electrocardiogram detection in the normal working mode to consume internal electric quantity without an unknown state.
The embodiment of the application also provides a heart rehabilitation device, which comprises an electrocardio sensor, a processor, a communication unit and a memory, wherein the electrocardio sensor, the communication unit and the memory are connected with the processor, and the processor is used for executing the steps of the control method of the heart rehabilitation device.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium may store a program, and the program comprises a part or all of the steps of any one of the control methods of the cardiac rehabilitation device described in the above method embodiments when executed.
Embodiments of the present application provide a computer program product, wherein the computer program product comprises a non-transitory computer-readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps described in any one of the methods for controlling a cardiac rehabilitation apparatus described in embodiments of the present application. The computer program product may be a software installation package.
While the present application has been described in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed application, from a review of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, apparatus (device), or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. A computer program stored/distributed on a suitable medium supplied together with or as part of other hardware, may also take other distributed forms, such as via the Internet or other wired or wireless telecommunication systems.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (devices) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable human vehicle trajectory analysis device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable statistical population management device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable human vehicle trajectory analysis device to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable human vehicle trajectory analysis device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer implemented process such that the instructions which execute on the computer or other programmable device provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although the present application has been described in conjunction with specific features and embodiments thereof, it will be evident that various modifications and combinations can be made thereto without departing from the spirit and scope of the application. Accordingly, the specification and figures are merely exemplary of the present application as defined in the appended claims and are intended to cover any and all modifications, variations, combinations, or equivalents within the scope of the present application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A method of controlling a cardiac rehabilitation apparatus, the cardiac rehabilitation apparatus including an electrocardiograph sensor, the method comprising:
acquiring a first acquisition signal of a detection measurement part of the electrocardio sensor in a low power consumption mode;
analyzing whether the first collected signal is an effective electrocardiosignal meeting a first preset condition or not;
and if so, controlling the heart rehabilitation equipment to enter a normal working mode, and acquiring the electrocardiogram data in the normal working mode.
2. The method of claim 1, wherein said analyzing whether said first collected signal is a valid cardiac signal satisfying a first predetermined condition comprises:
sampling the first acquisition signal to obtain a sampled digital signal;
dividing the digital signal into M sections, wherein the length of each section is L;
carrying out cyclic cumulant estimation on the digital signals with the length L of the M section to obtain the cyclic cumulant of each digital signal; if the circulating cumulant is larger than a first preset value, determining the position of the corresponding digital signal as a circulating point;
and if the time difference between the circulating points of all the two adjacent positions is within a preset time range, determining the first acquisition signal as an effective electrocardiosignal meeting a first preset condition.
3. The method of claim 2, wherein after performing cyclic accumulation estimation on the digital signals of length L of M to obtain cyclic accumulation of each digital signal, the method further comprises:
and carrying out noise processing on the circulating cumulant to obtain the denoised circulating cumulant.
4. The method of claim 1, wherein the cardiac rehabilitation device further comprises an acceleration sensor, the method further comprising:
detecting a motion signal by the acceleration sensor in a standby mode;
when the acceleration sensor detects that a motion signal is generated, controlling the heart rehabilitation equipment to enter a low power consumption mode; and under a low power consumption mode, controlling the electrocardio sensor to detect a first acquisition signal of a measurement part.
5. The method of claim 4, further comprising:
after the acceleration sensor detects that a motion signal is generated, the electrocardio sensor is not started to acquire signals within a set time window;
and when the set time window is reached, starting the electrocardio sensor to detect.
6. The method according to claim 1, wherein the first collected signal is a signal collected by a differential signal collecting circuit, and the analyzing whether the first collected signal is a valid ecg signal satisfying a first predetermined condition comprises:
if the first acquisition signal is a first level signal in a first preset time period, and the first level signal is a low level signal or a high level signal, determining that the first acquisition signal is an effective electrocardiosignal meeting a first preset condition;
and if the first acquisition signal is a signal showing different frequency changes within a first preset time period, determining that the first acquisition signal is not an effective electrocardiosignal meeting a first preset condition.
7. The method according to claim 4 or 5, characterized in that the method further comprises:
and if the first acquisition signal is not an effective electrocardiosignal meeting a first preset condition, controlling the heart rehabilitation equipment to recover to the standby mode, and continuously detecting a motion signal through the acceleration sensor.
8. The control device of the heart rehabilitation equipment is characterized by being applied to the heart rehabilitation equipment, wherein the heart rehabilitation equipment comprises an electrocardio sensor; the control device of the heart rehabilitation equipment comprises:
the electrocardio acquisition unit is used for acquiring a first acquisition signal of a detection measurement part of the electrocardio sensor in a low power consumption mode;
the analysis unit is used for analyzing whether the first acquisition signal is an effective electrocardiosignal meeting a first preset condition;
and the control unit is used for controlling the heart rehabilitation equipment to enter a normal working mode under the condition that the first acquisition signal is an effective electrocardiosignal meeting a first preset condition, and acquiring electrocardio data under the normal working mode.
9. A cardiac rehabilitation device, characterized in that it comprises an electrocardiographic sensor, a processor, a communication unit and a memory, wherein the electrocardiographic sensor, the communication unit and the memory are connected to the processor for performing the steps of the method according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a computer program for electronic data exchange is stored, wherein the computer program causes a computer to perform the steps of the method according to any one of claims 1-7.
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