CN109044303B - Blood pressure measuring method, device and equipment based on wearable equipment - Google Patents
Blood pressure measuring method, device and equipment based on wearable equipment Download PDFInfo
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- CN109044303B CN109044303B CN201810751990.0A CN201810751990A CN109044303B CN 109044303 B CN109044303 B CN 109044303B CN 201810751990 A CN201810751990 A CN 201810751990A CN 109044303 B CN109044303 B CN 109044303B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
Abstract
The invention discloses a blood pressure measuring method, a blood pressure measuring device and blood pressure measuring equipment based on wearable equipment, wherein the wearable equipment is provided with a camera and a blood pressure measuring module, and the method comprises the following steps: after the wearable device enters a blood pressure measuring mode, acquiring the position of the area where the heart of the user is located relative to the camera through the camera; generating a position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera, and indicating the user to adjust the position of the wearable device so that the wearable device and the area where the heart of the user is located are located at the same height; and when the wearable device is confirmed to be positioned at the same height as the area where the heart of the user is positioned, starting a blood pressure measurement module to start blood pressure measurement. The blood pressure measuring method improves the accuracy of blood pressure measurement, reduces measurement errors, enables a user to correctly know the blood pressure level of the user, timely watches doctors when necessary, and is beneficial to treatment of hypertension.
Description
Technical Field
The invention relates to the field of intelligent wearable equipment, in particular to a blood pressure measuring method, a blood pressure measuring device and blood pressure measuring equipment based on wearable equipment.
Background
Hypertension (hypertension) is a clinical syndrome characterized by an increase in systemic arterial blood pressure (systolic pressure and/or diastolic pressure) (systolic pressure not less than 140 mm hg, diastolic pressure not less than 90 mm hg), which may be accompanied by functional or organic damage to organs such as heart, brain, kidney, etc. Hypertension is the most common chronic disease and also the most major risk factor for cardiovascular and cerebrovascular diseases. In the whole population, the blood pressure level gradually rises with age to make the systolic pressure more obvious, and hypertension is the current main disease of middle-aged and old people. In order to more conveniently detect the blood pressure level and monitor the body state so as to facilitate timely medical treatment, the portable wrist-worn blood pressure measuring device gradually enters the market and can measure the blood pressure through the wrist, common products comprise an intelligent health watch, a wrist-worn blood pressure meter and the like, the current test principle requires that the measured blood pressure can be accurate when the wrist needs to be at the same height as the heart, otherwise, the test error is larger, and how to master the wrist height for measuring the blood pressure so that the measuring device and the heart are at the same height becomes a problem. In addition, a static value is needed for testing the blood pressure, and each person state is different from the testing method, so that great errors are caused to the test, if the blood pressure is tested immediately by strenuous exercise and/or the user moves and/or speaks in the blood pressure testing process, the blood pressure value is possibly influenced, and therefore the static state and the non-speaking state are required, the blood pressure can be detected in time, and the correct measuring mode and the data accuracy of the user are reminded.
Disclosure of Invention
The invention provides a blood pressure measuring method, a blood pressure measuring device and blood pressure measuring equipment based on a wearable device, and aims to solve or partially solve the problems.
According to one aspect of the invention, a blood pressure measuring method based on a wearable device is provided, wherein the wearable device comprises a camera, and the method comprises the following steps:
after the wearable device enters a blood pressure measuring mode, acquiring the position of the area where the heart of the user is located relative to the camera through the camera;
generating a position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera, and indicating the user to adjust the position of the wearable device so that the wearable device and the area where the heart of the user is located are located at the same height;
and when the wearable equipment and the area where the heart of the user is located are confirmed to be located at the same height, starting the blood pressure measurement module to start blood pressure measurement.
Optionally, the acquiring, by the camera, a position of a region where a heart of the user is located relative to the camera includes:
shooting an image including an area where the heart of the user is located by using the camera, acquiring a connecting line between the center point of the image and the position where the camera is located, and recording the connecting line as a middle line of the camera;
acquiring an included angle a1 between a vertical line and a middle line of the camera through a gravity sensor;
performing image recognition on the image to obtain an included angle a2 between the pixel position of the region where the heart of the user is located and the middle line of the camera;
and acquiring the position of the region where the heart of the user is located relative to the camera according to the included angle a1 and the included angle a 2.
Optionally, the generating a position adjustment instruction according to the position of the area where the heart of the user is located relative to the camera includes:
judging the relation between the included angle a2 and 90 degrees minus the included angle a 1:
if the included angle a2 is smaller than 90 degrees and the included angle a1 is subtracted, a command for adjusting the wearable device upwards is generated, and if the included angle a2 is larger than 90 degrees and the included angle a1 is subtracted, a command for adjusting the wearable device downwards is generated until the included angle a2 is equal to 90 degrees and the included angle a1 is subtracted.
Optionally, the wearable device is further provided with a heart rate sensor, and after the wearable device enters the blood pressure measurement mode, before the position of the area where the heart of the user is located relative to the camera is obtained through the camera, the method further includes:
acquiring first heart rate data in a first preset time period before the current moment by using the heart rate sensor;
judging whether the first heart rate data is located in a preset heart rate interval or not, and when the first heart rate data is not located in the preset heart rate interval, reminding and waiting for a second preset time period of sitting of a user and then acquiring the position of the area where the heart of the user is located relative to the camera through the camera; and when the first heart rate data is located in a preset heart rate interval, acquiring the position of the area where the heart of the user is located relative to the camera through the camera.
Optionally, the wearable device is further provided with a microphone and an acceleration sensor, and after the blood pressure measurement module is started to start blood pressure measurement, the method further includes:
acquiring second heart rate data of the user with the heart rate sensor and voice data with the microphone;
when the second heart rate data is larger than a first heart rate threshold or the voice data is larger than a first preset voice threshold, generating a re-measurement reminding instruction, and controlling the blood pressure measurement module to restart the blood pressure measurement process;
when the second heart rate data is larger than a second heart rate threshold and not larger than the first heart rate threshold, judging whether the user has a motion action by using the acceleration sensor, and when the user has the motion action, generating a reminding instruction of 'not to move', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
when the voice data is larger than a second preset voice threshold and not larger than a first preset voice threshold, generating a reminding instruction of 'not speaking', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
and when the second heart rate data is not greater than a second heart rate threshold value and the voice data is not greater than a second preset voice threshold value, not sending any reminding instruction, and controlling the blood pressure measuring module to continue the blood pressure measuring process.
According to another aspect of the present invention, there is provided a blood pressure measurement control apparatus based on a wearable device provided with a camera and a blood pressure measurement module, the apparatus including:
the relative position acquisition module is used for acquiring the position of the area where the heart of the user is located relative to the camera through the camera after the wearable device enters a blood pressure measurement mode;
the adjusting instruction generating module is used for generating a position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera, and instructing the user to adjust the position of the wearable device so that the wearable device and the area where the heart of the user is located are located at the same height;
and the blood pressure measuring module is used for starting the blood pressure measuring module to measure the blood pressure when the wearable equipment and the region where the heart of the user is located are confirmed to be located at the same height.
Optionally, the relative position obtaining module is specifically configured to:
shooting an image including an area where the heart of the user is located by using the camera, acquiring a connecting line between the center point of the image and the position where the camera is located, and recording the connecting line as a middle line of the camera;
acquiring an included angle a1 between a vertical line and a middle line of the camera through a gravity sensor;
performing image recognition on the image to obtain an included angle a2 between the pixel position of the region where the heart of the user is located and the middle line of the camera;
and acquiring the position of the region where the heart of the user is located relative to the camera according to the included angle a1 and the included angle a 2.
Optionally, the adjustment instruction generating module is specifically configured to:
judging the relation between the included angle a2 and 90 degrees minus the included angle a 1:
if the included angle a2 is smaller than 90 degrees and the included angle a1 is subtracted, a command for adjusting the wearable device upwards is generated, and if the included angle a2 is larger than 90 degrees and the included angle a1 is subtracted, a command for adjusting the wearable device downwards is generated until the included angle a2 is equal to 90 degrees and the included angle a1 is subtracted.
Optionally, the wearable device is further provided with a heart rate sensor, and after the wearable device enters the blood pressure measurement mode, before the position of the region where the heart of the user is located relative to the camera is obtained through the camera, the apparatus further includes a first reminding module, and the first reminding module is configured to:
acquiring first heart rate data in a first preset time period before the current moment by using the heart rate sensor;
judging whether the first heart rate data is located in a preset heart rate interval or not, and when the first heart rate data is not located in the preset heart rate interval, reminding and waiting for a second preset time period of sitting of a user and then acquiring the position of the area where the heart of the user is located relative to the camera through the camera; and when the first heart rate data is located in a preset heart rate interval, acquiring the position of the area where the heart of the user is located relative to the camera through the camera.
Optionally, the wearable device is further provided with a microphone and an acceleration sensor, and after the blood pressure measurement module starts blood pressure measurement, the device further includes a second reminding module, and the second reminding module is configured to:
acquiring second heart rate data of the user with the heart rate sensor and voice data with the microphone;
when the second heart rate data is larger than a first heart rate threshold or the voice data is larger than a first preset voice threshold, generating a re-measurement reminding instruction, and controlling the blood pressure measurement module to restart the blood pressure measurement process;
when the second heart rate data is larger than a second heart rate threshold and not larger than the first heart rate threshold, judging whether the user has a motion action by using the acceleration sensor, and when the user has the motion action, generating a reminding instruction of 'not to move', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
when the voice data is larger than a second preset voice threshold and not larger than a first preset voice threshold, generating a reminding instruction of 'not speaking', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
and when the second heart rate data is not greater than a second heart rate threshold value and the voice data is not greater than a second preset voice threshold value, not sending any reminding instruction, and controlling the blood pressure measuring module to continue the blood pressure measuring process.
According to a further aspect of the present invention, there is provided a blood pressure measuring device based on a wearable device, the wearable device including a camera, the device including a memory and a processor, the memory and the processor being communicatively connected via an internal bus, the memory storing a computer program executable by the processor, the computer program being executable by the processor to implement the above blood pressure measuring method based on a wearable device.
According to a further aspect of the invention, a wearable device is provided, which comprises the above wearable device-based blood pressure measuring apparatus.
The embodiment of the invention has the beneficial effects that: after the wearable device enters a blood pressure measuring mode, acquiring the position of the area where the heart of the user is located relative to the camera through the camera; generating a position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera, and indicating the user to adjust the position of the wearable device so that the wearable device and the area where the heart of the user is located are located at the same height; and when the wearable device is confirmed to be positioned at the same height as the area where the heart of the user is positioned, starting a blood pressure measurement module to start blood pressure measurement. According to the blood pressure measuring method, the wearable device and the heart of the user are located at the same height, so that the accuracy of blood pressure measurement is improved, the measurement error is reduced, the user can correctly know the blood pressure level of the user, the doctor can be timely seen when necessary, and the treatment of hypertension is facilitated.
Drawings
Fig. 1 is a flowchart of a blood pressure measuring method based on a wearable device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the relationship between the position of the camera and the heart;
fig. 3 is a flowchart of another wearable device-based blood pressure measurement method according to an embodiment of the present invention;
fig. 4 is a diagram of a wearable device-based blood pressure measuring apparatus according to an embodiment of the present invention;
fig. 5 is another blood pressure measuring device based on wearable equipment provided by the embodiment of the invention;
fig. 6 is a blood pressure measuring device based on a wearable device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a flowchart of a blood pressure measurement method based on a wearable device provided with a camera and a blood pressure measurement module according to an embodiment of the present invention, and the method includes the following steps:
step S11: after the wearable device enters a blood pressure measuring mode, acquiring the position of the area where the heart of the user is located relative to the camera through the camera; the method specifically comprises the following steps:
shooting an image including an area where the heart of the user is located by using a camera, acquiring a connection line between the center point of the image and the position where the camera is located, and marking the connection line as a middle line of the camera;
acquiring an included angle a1 between the vertical line and the middle line of the camera through a gravity sensor;
performing image recognition on the image to obtain an included angle a2 between the pixel position of the region where the heart of the user is located and the middle line of the camera;
and acquiring the position of the region of the heart of the user relative to the camera according to the included angle a1 and the included angle a 2.
Step S12: generating a position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera, and instructing the user to adjust the position of the wearable device, so that the wearable device and the area where the heart of the user is located are located at the same height, wherein the generating of the position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera specifically comprises the following steps:
judging the relationship between the included angle a2 and 90 minus the included angle a 1:
and if the included angle a2 is smaller than 90 degrees minus the included angle a1, generating a command for adjusting the wearable device upwards, and if the included angle a2 is larger than 90 degrees minus the included angle a1, generating a command for adjusting the wearable device downwards until the included angle a2 is equal to 90 degrees minus the included angle a 1.
Fig. 2 is a schematic diagram of a relationship between a camera and a heart, and as shown in fig. 2, a coordinate system is established with the camera as an origin (0,0), an X-axis of the coordinate system passes through the origin (0,0) and is parallel to a horizontal plane, and a Y-axis of the coordinate system passes through the origin (0,0) and is perpendicular to the horizontal plane; acquiring an image shot by a camera and including the position of the heart of the user, and taking a connecting line between the center point and the origin of the image as a middle line, namely a dotted line in the image; the position of the heart of the user is identified through image identification, an included angle a2 between the position of the heart of the user and a connecting line and a middle line of the camera is obtained, and the angle of the position of the heart of the user relative to the camera is obtained.
Acquiring an included angle a1 between the middle line and the Y axis through a gravity sensor; judging the relation between the angle of the position of the heart of the user relative to the camera and the included angle of 90 degrees minus the middle line and the Y axis, namely the relation between a2 and (90-a 1): if the angle of the position of the heart of the user relative to the camera is smaller than 90 degrees minus the included angle between the middle line and the Y axis, i.e., a2 < (90-a 1), indicates that the camera is in a low position because the camera is disposed on the wearable device, indicates that the wearable device is in a low position relative to the heart, generating an instruction for adjusting the wearable equipment upwards, if the angle of the position of the heart of the user relative to the camera is larger than 90 degrees minus the included angle between the middle line and the Y axis, i.e. a2 > (90-a 1), which indicates that the wearable device is higher relative to the heart, an instruction for adjusting the wearable device downwards is generated, if the angle of the heart of the user relative to the camera is equal to 90 degrees minus the included angle between the middle line and the Y axis, i.e., a2 (90-a 1), the wearable device is at the same height as the user's heart, and no position adjustment instruction is issued.
The position adjustment instruction can be sent out in a voice broadcast mode, a text display mode, an icon display mode, a vibration mode or a ringing mode. The specific mode of icon display is as follows: when the command for adjusting the wearable device upwards is generated, displaying an upward arrow on a display screen of the wearable device, and when the command for adjusting the wearable device downwards is generated, displaying a downward arrow on the display screen of the wearable device; the reminding mode of vibration or ringing can distinguish the degree of the wearable equipment deviating from the position of the heart of the user through the strength of sound; when the wearable device and the heart of the user are adjusted to be located at the same height, characters such as 'OK' and the like can be displayed on the display screen.
Step S13: and when the wearable device is confirmed to be positioned at the same height as the area where the heart of the user is positioned, starting a blood pressure measurement module to start blood pressure measurement.
The method also comprises the steps that the blood pressure measurement result is sent to the mobile terminal, so that the mobile terminal can analyze and process the blood pressure measurement data to generate an analysis report, and the analysis report can comprise information such as whether the blood pressure level is abnormal, a diet work and rest suggestion provided for a user aiming at abnormal conditions, and recommendation of medicine taking and the like, and is provided for the user to refer; in addition, the child or doctor can remotely check and know the physical health condition of the parent or the patient through the wireless communication mode so as to better take care of the parent or take medicine according to symptoms.
Fig. 3 is a flowchart of another blood pressure measuring method based on a wearable device according to an embodiment of the present invention, where the wearable device is further provided with a heart rate sensor, and after the wearable device enters a blood pressure measuring mode, that is, before the position of the area where the heart of the user is located relative to the camera is obtained through the camera in step S11, the method further includes:
step S31: starting a blood pressure measurement mode;
step S32: acquiring first heart rate data in a first preset time period before the current moment by using a heart rate sensor;
step S33: judging whether the first heart rate data is located in a preset heart rate interval, if not, running the step S33 when the first heart rate data is not located in the preset heart rate interval, if so, running the step S35 when the first heart rate data is located in the preset heart rate interval;
step S34: reminding and waiting for a user to sit still for a second preset time period;
step S35: and acquiring the position of the area of the heart of the user relative to the camera through the camera.
Step S36: and when the wearable device is confirmed to be positioned at the same height as the area where the heart of the user is positioned, starting a blood pressure measurement module to start blood pressure measurement.
The wearable device is also provided with a microphone and an acceleration sensor, and after the blood pressure measurement module is started to start blood pressure measurement, the method further comprises the following steps:
step S37: acquiring second heart rate data of the user by using a heart rate sensor and acquiring voice data by using a microphone;
step S38: when the second heart rate data is larger than the first heart rate threshold or the voice data is larger than a first preset voice threshold, generating a re-measurement reminding instruction, and controlling the blood pressure measurement module to restart the blood pressure measurement process; when the second heart rate data is larger than the second heart rate threshold and not larger than the first heart rate threshold, judging whether the user has a motion action by using the acceleration sensor, and when the user has the motion action, generating a reminding instruction of 'not to move', and controlling the blood pressure measuring module to continue the blood pressure measuring process; when the voice data is larger than a second preset voice threshold and not larger than a first preset voice threshold, generating a reminding instruction of 'not speaking', and controlling the blood pressure measuring module to continue the blood pressure measuring process; and when the second heart rate data is not greater than the second heart rate threshold and the voice data is not greater than the second preset voice threshold, not sending any reminding instruction, and controlling the blood pressure measuring module to continue the blood pressure measuring process.
The heart rate data of the user, namely the first heart rate data, is detected before blood pressure measurement, so as to ensure that the current heart rate is the heart rate value of the user in a resting state, namely the current heart rate is within a preset heart rate interval, and ensure that the user does not have violent exercise or large emotional agitation before blood pressure measurement. And if the user exercises vigorously or the mood fluctuates too much, reminding the user to sit still for 5 Min. Generally, the average static heart rate of a person is 75-85 beats per minute, and the range of the normal person is 60-100 beats per minute, so that the preset static heart rate interval is 60-100 beats per minute.
The heart rate data of the user, namely the second heart rate data, is detected in the blood pressure measuring process, so that large actions or emotional excitement cannot occur in the testing process. When the heart rate is too fast, i.e. the second heart rate data is larger than the first heart rate threshold, the action or emotional agitation of the user already affects the blood pressure measurement result, and the measurement needs to be performed again.
When the heart rate is fast, namely the second heart rate data is larger than the second heart rate threshold and not larger than the first heart rate threshold, the action behavior or emotion excitement of the user does not affect the blood pressure measurement result, but the user needs to be reminded, and the initiation of a reminding instruction needs to confirm whether the reason that the heart rate is fast is caused by movement or not, so that the movement data is further detected, whether the movement data acquired by the acceleration sensor is larger than a preset movement threshold or not is judged, if so, the user has movement, a reminding instruction of 'not to move' is generated, and the blood pressure measurement process is not stopped;
judging whether the user speaks according to the voice data collected by the microphone, if the voice data is larger than the second heart rate threshold value and not larger than the first heart rate threshold value, indicating that the user speaks, generating a reminding instruction of 'not speaking', and not stopping the blood pressure measuring process;
and when the heart rate is judged to be the static heart rate and the user does not speak, namely the second heart rate data is not greater than the second heart rate threshold and the voice data is not greater than the second preset voice threshold, no reminding instruction is sent, and the blood pressure measuring process is continued.
The reminding instruction can be sent out in a text display or voice broadcasting mode.
Fig. 4 is a diagram of another blood pressure measuring apparatus based on a wearable device provided in an embodiment of the present invention, where the wearable device includes a camera, and the apparatus 40 includes:
the relative position acquisition module 401 is used for acquiring the position of the area where the heart of the user is located relative to the camera through the camera after the wearable device enters the blood pressure measurement mode; the method is specifically used for:
shooting an image including an area where the heart of a user is located by using a camera, obtaining a connection line between the center point of the image and the position where the camera is located, and marking the connection line as a middle line of the camera;
acquiring an included angle a1 between the vertical line and the middle line of the camera through a gravity sensor;
performing image recognition on the image to obtain an included angle a2 between the pixel position of the region where the heart of the user is located and the middle line of the camera;
and acquiring the position of the region of the heart of the user relative to the camera according to the included angle a1 and the included angle a 2.
An adjusting instruction generating module 402, configured to generate a position adjusting instruction according to a position of the area where the heart of the user is located relative to the camera, and instruct the user to adjust the position of the wearable device, so that the wearable device and the area where the heart of the user is located are located at the same height; the method is specifically used for:
judging the relationship between the included angle a2 and 90 minus the included angle a 1:
and if the included angle a2 is smaller than 90 degrees minus the included angle a1, generating a command for adjusting the wearable device upwards, and if the included angle a2 is larger than 90 degrees minus the included angle a1, generating a command for adjusting the wearable device downwards until the included angle a2 is equal to 90 degrees minus the included angle a 1.
And a blood pressure measuring module 403, configured to start the blood pressure measuring module to start blood pressure measurement when it is determined that the wearable device and the area where the heart of the user is located are located at the same height.
Fig. 5 is a diagram of another blood pressure measuring apparatus based on a wearable device according to an embodiment of the present invention, and as shown in fig. 5, the wearable device includes: camera, blood pressure measurement module, heart rate sensor, microphone and acceleration sensor, the device 50 includes: a relative position obtaining module 401, an adjustment instruction generating module 402, a blood pressure measuring module 403, a first reminding module 501, and a second reminding module 502, where the relative position obtaining module 401, the adjustment instruction generating module 402, and the blood pressure measuring module 403 are already described in the embodiment shown in fig. 4 and are not described herein again.
After the wearable device enters a blood pressure measurement mode, before the position of the area where the heart of the user is located relative to the camera is obtained through the camera, the first reminding module 501 obtains first heart rate data in a first preset time period before the current time by using a heart rate sensor; judging whether the first heart rate data is located in a preset heart rate interval or not, and when the first heart rate data is not located in the preset heart rate interval, reminding and waiting for a user to sit still for a second preset time period and then acquiring the position of the area where the heart of the user is located relative to the camera through the camera; when the first heart rate data is located in the preset heart rate interval, the position of the area where the heart of the user is located relative to the camera is obtained through the camera.
After the blood pressure measurement module is started to start blood pressure measurement, the second reminding module 502 acquires second heart rate data of the user by using the heart rate sensor and voice data by using the microphone; when the second heart rate data is larger than the first heart rate threshold or the voice data is larger than a first preset voice threshold, generating a re-measurement reminding instruction, and controlling the blood pressure measurement module to restart the blood pressure measurement process; when the second heart rate data is larger than the second heart rate threshold and not larger than the first heart rate threshold, judging whether the user has a motion action by using the acceleration sensor, and when the user has the motion action, generating a reminding instruction of 'not to move', and controlling the blood pressure measuring module to continue the blood pressure measuring process; when the voice data is larger than a second preset voice threshold and not larger than a first preset voice threshold, generating a reminding instruction of 'not speaking', and controlling the blood pressure measuring module to continue the blood pressure measuring process; and when the second heart rate data is not greater than the second heart rate threshold and the voice data is not greater than the second preset voice threshold, not sending any reminding instruction, and controlling the blood pressure measuring module to continue the blood pressure measuring process.
In some embodiments, the apparatus further comprises: and the wireless communication module is used for sending the blood pressure measurement result to the mobile terminal.
In some embodiments, the apparatus further comprises: and the reminding module is used for reminding the user through voice broadcasting, character displaying, icon displaying, vibration or ringing modes.
Fig. 6 is still another blood pressure measuring apparatus based on a wearable device provided in an embodiment of the present invention, the wearable device includes a camera, the blood pressure measuring apparatus includes a memory 601 and a processor 602, the memory 601 and the processor 602 are communicatively connected through an internal bus 603, the memory 601 stores a computer program that can be executed by the processor 602, and the blood pressure measuring method based on the wearable device can be implemented when the computer program is executed by the processor 602.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
In conclusion, after entering a blood pressure measurement mode, the user is ensured to be in a quiet state, the position of the area where the heart of the user is located relative to the camera on the wearable device is obtained, a position adjusting instruction is generated according to the position of the area where the heart of the user is located relative to the camera, the user is instructed to adjust the position of the wearable device, the wearable device and the area where the heart of the user is located are located at the same height, blood pressure measurement is started, in the measurement process, the heart rate and voice data of the user are detected in real time, when the user moves and speaks, a prompt is sent out, the user is ensured not to have large actions and speaking behaviors in the measurement process, the accuracy of a blood pressure measurement result is ensured, a measurement error is reduced, the user has correct knowledge of the blood pressure level of the user, the doctor can be timely watched when necessary, the treatment of hypertension is facilitated, and the blood pressure measurement data can be sent to a mobile terminal, so that children or doctors can know the blood pressure level of the user more conveniently.
While the foregoing is directed to embodiments of the present invention, other modifications and variations of the present invention may be devised by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of illustrating the invention rather than the foregoing detailed description, and that the scope of the invention is defined by the claims.
Claims (8)
1. A blood pressure measurement control method based on a wearable device is characterized in that the wearable device is provided with a camera and a blood pressure measurement module, and the method comprises the following steps:
after the wearable device enters a blood pressure measuring mode, acquiring the position of the area where the heart of the user is located relative to the camera through the camera;
generating a position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera, and indicating the user to adjust the position of the wearable device so that the wearable device and the area where the heart of the user is located are located at the same height;
when the wearable device and the area where the heart of the user is located are confirmed to be located at the same height, starting the blood pressure measurement module to measure the blood pressure;
establishing a coordinate system by taking the camera as an origin (0,0), wherein the X axis of the coordinate system passes through the origin (0,0) and is parallel to a horizontal plane, and the Y axis of the coordinate system passes through the origin (0,0) and is vertical to the horizontal plane; acquiring an image shot by the camera and including the position of the heart of the user, and taking a connecting line between the center point of the image and the origin as a middle line;
performing image recognition on the image to obtain an included angle a2 between the pixel position of the region where the heart of the user is located and the middle line of the camera;
acquiring an included angle a1 between the middle line and the Y axis through a gravity sensor;
acquiring the position of the region where the heart of the user is located relative to the camera according to the included angle a1 and the included angle a 2;
and judging the relation between the angle of the position of the heart of the user relative to the camera and the included angle of 90 degrees minus the middle line and the Y axis:
if the angle of the position of the heart of the user relative to the camera is smaller than 90 degrees and subtracts the included angle between the middle line and the Y axis, generating an instruction for upwards adjusting the wearable equipment, if the angle of the position of the heart of the user relative to the camera is larger than 90 degrees and subtracts the included angle between the middle line and the Y axis, generating an instruction for downwards adjusting the wearable equipment, and if the angle of the position of the heart of the user relative to the camera is equal to 90 degrees and subtracts the included angle between the middle line and the Y axis, not sending a position adjusting instruction.
2. The blood pressure measurement control method according to claim 1, wherein the wearable device is further provided with a heart rate sensor, and after the wearable device enters the blood pressure measurement mode, before the camera acquires the position of the area of the heart of the user relative to the camera, the method further comprises:
acquiring first heart rate data in a first preset time period before the current moment by using the heart rate sensor;
judging whether the first heart rate data is located in a preset heart rate interval or not, and when the first heart rate data is not located in the preset heart rate interval, reminding and waiting for a second preset time period of sitting of a user and then acquiring the position of the area where the heart of the user is located relative to the camera through the camera; and when the first heart rate data is located in a preset heart rate interval, acquiring the position of the area where the heart of the user is located relative to the camera through the camera.
3. The blood pressure measurement control method according to claim 2, wherein the wearable device is further provided with a microphone and an acceleration sensor, and after starting the blood pressure measurement module to start blood pressure measurement, the method further comprises:
acquiring second heart rate data of the user with the heart rate sensor and voice data with the microphone;
when the second heart rate data is larger than a first heart rate threshold or the voice data is larger than a first preset voice threshold, generating a re-measurement reminding instruction, and controlling the blood pressure measurement module to restart the blood pressure measurement process;
when the second heart rate data is larger than a second heart rate threshold and not larger than the first heart rate threshold, judging whether the user has a motion action by using the acceleration sensor, and when the user has the motion action, generating a reminding instruction of 'not to move', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
when the voice data is larger than a second preset voice threshold and not larger than a first preset voice threshold, generating a reminding instruction of 'not speaking', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
and when the second heart rate data is not greater than a second heart rate threshold value and the voice data is not greater than a second preset voice threshold value, not sending any reminding instruction, and controlling the blood pressure measuring module to continue the blood pressure measuring process.
4. The utility model provides a blood pressure measurement controlling means based on wearable equipment, its characterized in that, wearable equipment is provided with camera and blood pressure measurement module, the device includes:
the relative position acquisition module is used for acquiring the position of the area where the heart of the user is located relative to the camera through the camera after the wearable device enters a blood pressure measurement mode;
the adjusting instruction generating module is used for generating a position adjusting instruction according to the position of the area where the heart of the user is located relative to the camera, and instructing the user to adjust the position of the wearable device so that the wearable device and the area where the heart of the user is located are located at the same height;
the blood pressure measuring module is used for starting the blood pressure measuring module to measure the blood pressure when the wearable device and the region where the heart of the user is located are confirmed to be located at the same height;
the relative position acquisition module is specifically configured to:
establishing a coordinate system by taking the camera as an origin (0,0), wherein the X axis of the coordinate system passes through the origin (0,0) and is parallel to a horizontal plane, and the Y axis of the coordinate system passes through the origin (0,0) and is vertical to the horizontal plane; acquiring an image shot by the camera and including the position of the heart of the user, and taking a connecting line between the center point of the image and the origin as a middle line;
performing image recognition on the image to obtain an included angle a2 between the pixel position of the region where the heart of the user is located and the middle line of the camera;
acquiring an included angle a1 between the middle line and the Y axis through a gravity sensor;
acquiring the position of the region where the heart of the user is located relative to the camera according to the included angle a1 and the included angle a 2;
the adjustment instruction generation module is specifically configured to:
and judging the relation between the angle of the position of the heart of the user relative to the camera and the included angle of 90 degrees minus the middle line and the Y axis:
if the angle of the position of the heart of the user relative to the camera is smaller than 90 degrees and subtracts the included angle between the middle line and the Y axis, generating an instruction for upwards adjusting the wearable equipment, if the angle of the position of the heart of the user relative to the camera is larger than 90 degrees and subtracts the included angle between the middle line and the Y axis, generating an instruction for downwards adjusting the wearable equipment, and if the angle of the position of the heart of the user relative to the camera is equal to 90 degrees and subtracts the included angle between the middle line and the Y axis, not sending a position adjusting instruction.
5. The blood pressure measurement control device according to claim 4, wherein the wearable device is further provided with a heart rate sensor, and after the wearable device enters the blood pressure measurement mode, before the position of the area where the heart of the user is located relative to the camera is obtained through the camera, the device further comprises a first reminding module, and the first reminding module is used for:
acquiring first heart rate data in a first preset time period before the current moment by using the heart rate sensor;
judging whether the first heart rate data is located in a preset heart rate interval or not, and when the first heart rate data is not located in the preset heart rate interval, reminding and waiting for a second preset time period of sitting of a user and then acquiring the position of the area where the heart of the user is located relative to the camera through the camera; and when the first heart rate data is located in a preset heart rate interval, acquiring the position of the area where the heart of the user is located relative to the camera through the camera.
6. The blood pressure measurement control device of claim 5, wherein the wearable device is further provided with a microphone and an acceleration sensor, and after the blood pressure measurement module is started to start blood pressure measurement, the device further comprises a second reminding module for:
acquiring second heart rate data of the user with the heart rate sensor and voice data with the microphone;
when the second heart rate data is larger than a first heart rate threshold or the voice data is larger than a first preset voice threshold, generating a re-measurement reminding instruction, and controlling the blood pressure measurement module to restart the blood pressure measurement process;
when the second heart rate data is larger than a second heart rate threshold and not larger than the first heart rate threshold, judging whether the user has a motion action by using the acceleration sensor, and when the user has the motion action, generating a reminding instruction of 'not to move', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
when the voice data is larger than a second preset voice threshold and not larger than a first preset voice threshold, generating a reminding instruction of 'not speaking', and controlling the blood pressure measuring module to continue the blood pressure measuring process;
and when the second heart rate data is not greater than a second heart rate threshold value and the voice data is not greater than a second preset voice threshold value, not sending any reminding instruction, and controlling the blood pressure measuring module to continue the blood pressure measuring process.
7. A wearable device-based blood pressure measurement apparatus, wherein the wearable device comprises a camera, the apparatus comprises a memory and a processor, the memory and the processor are connected through an internal bus, the memory stores a computer program executable by the processor, and the computer program, when executed by the processor, can implement the wearable device-based blood pressure measurement control method according to any one of claims 1-3.
8. A wearable device, characterized in that it comprises a wearable device based blood pressure measurement apparatus according to any of claims 4-7.
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| CN110101377A (en) * | 2019-03-19 | 2019-08-09 | 浙江大学城市学院 | A kind of blood pressure measurement platform of automatic adaptation user height |
| CN113576437B (en) * | 2020-04-30 | 2023-03-10 | 华为技术有限公司 | Angle determination method and device and processing chip |
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| CN111657902B (en) * | 2020-06-12 | 2022-12-23 | 深圳市奥极医疗科技有限公司 | Sphygmomanometer capable of intelligently screening environmental data and working method thereof |
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