CN114680860A - Physiological sign monitoring system and method - Google Patents
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- CN114680860A CN114680860A CN202210335084.9A CN202210335084A CN114680860A CN 114680860 A CN114680860 A CN 114680860A CN 202210335084 A CN202210335084 A CN 202210335084A CN 114680860 A CN114680860 A CN 114680860A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 41
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- 238000012545 processing Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims 1
- 230000007958 sleep Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 description 4
- 230000003860 sleep quality Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
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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
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02444—Details of sensor
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6891—Furniture
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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
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6892—Mats
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
- A61B5/721—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
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Abstract
The invention relates to the technical field of sleep monitoring, and particularly discloses a physiological sign monitoring system and a method, wherein the physiological sign monitoring system comprises: the first vibration sensor is used for acquiring sign vibration signals of a human body, which are generated due to physiological signs, and converting the sign vibration signals into first electric signals; the second vibration sensor is used for acquiring an abnormal vibration signal and converting the abnormal vibration signal into a second electric signal; the processing unit is used for acquiring the first electric signal and processing the first electric signal to obtain physiological sign data; and the shielding unit is used for shielding the first electric signal output to the processing unit by the first vibration sensor when the second electric signal is received. The physiological sign monitoring system and the method provided by the invention can effectively filter abnormal heart rate data generated by abnormal vibration and improve the accuracy of a heart rate curve.
Description
Technical Field
The invention relates to the technical field of sleep monitoring, in particular to a physiological sign monitoring system and a physiological sign monitoring method.
Background
Along with the improvement of living standard, the attention of people to sleep health is gradually increased. In order to evaluate the sleep quality, the conventional intelligent mattress is implanted with electronic devices such as a heart rate sensor in the mattress body to acquire physiological sign information of a user during sleep, for example, a heart rate variation curve of the user in the whole sleep cycle can be acquired through the heart rate sensor. The following is an example of obtaining a heart rate curve of a user:
most of the existing heart rate sensors are piezoelectric film sensors, and the piezoelectric film sensors are devices capable of converting vibration signals into electric signals. When a user lies on the piezoelectric film sensor, the heart beat can drive the human body to generate weak up-and-down vibration, the piezoelectric film sensor can convert vibration signals of the human body into electric signals, and a heart rate curve representing the change of the heart rate of the human body can be drawn by taking the change curve of the electric signals as a basis.
However, in an actual sleep scene, when a pet (such as a cat or a dog) at home jumps onto the smart mattress or vigorously beats the smart mattress, the smart mattress generates a relatively strong abnormal vibration, and the existing smart mattress converts an electric signal generated by the abnormal vibration into heart rate data to be displayed in a heart rate curve. Obviously, the heart rate data corresponding to the abnormal vibration is also abnormal, and the accuracy of the subsequent sleep quality evaluation can be seriously influenced by reflecting the abnormal heart rate data on the heart rate curve for many times.
Therefore, the monitoring system for physiological signs such as the existing heart rate data needs to be improved to solve the problem that the accuracy of the acquired physiological sign data is low due to the fact that abnormal vibration cannot be filtered.
Disclosure of Invention
An object of the present invention is to provide a system and a method for monitoring physiological signs, which can effectively filter physiological sign data generated by abnormal vibration, and improve the accuracy of the physiological sign data.
To achieve the above objects, in one aspect, the present invention provides a physiological signs monitoring system, comprising:
the first vibration sensor is used for acquiring sign vibration signals of a human body, which are generated due to physiological signs, and converting the sign vibration signals into first electric signals;
the second vibration sensor is used for acquiring an abnormal vibration signal and converting the abnormal vibration signal into a second electric signal;
the processing unit is used for acquiring the first electric signal and processing the first electric signal to obtain physiological sign data;
and the shielding unit is used for shielding the first electric signal output to the processing unit by the first vibration sensor when the second electric signal is received.
Optionally, the physiological sign is heartbeat, respiration, or pulse beat.
Optionally, the amplitude and/or the frequency of the sign vibration signal are different from the abnormal vibration signal.
Optionally, the upper range limit of the first vibration sensor is smaller than or equal to the lower range limit of the second vibration sensor.
Optionally, the first vibration sensor is a pressure film sensor, and the second vibration sensor is an inertial sensor.
Optionally, the mattress further comprises a mattress body;
the first vibration sensor and the second vibration sensor are both arranged on one side, close to a human body, of the mattress body.
Optionally, the sofa further comprises a sofa body;
the first vibration sensor and the second vibration sensor are both arranged on the backrest or the armrest of the sofa body.
Optionally, the system further comprises a display terminal in communication connection with the processing unit;
the display terminal is used for displaying the physiological sign data in at least one mode of pictures, characters and voice.
Optionally, the display terminal is a display screen connected to the processing unit in a wired communication manner and/or an intelligent terminal connected to the processing unit in a wireless communication manner.
In another aspect, a physiological signs monitoring method is provided, which is performed by any one of the physiological signs monitoring systems, and includes:
collecting physical sign vibration signals of a human body, which are generated due to physiological physical signs, and converting the physical sign vibration signals into first electric signals;
acquiring an abnormal vibration signal, and converting the abnormal vibration signal into a second electric signal;
acquiring the first electric signal, and processing the first electric signal to obtain physiological sign data; wherein the first electrical signal is masked when the second electrical signal is received.
The invention has the beneficial effects that: the physiological sign monitoring system and the method are provided, in general, abnormal vibration signals do not exist, and the vibration signals of the mattress body are all caused by the physiological signs of a user, so that the processing unit constantly keeps communication connection with the first vibration sensor, processes the received first electric signals into physiological sign data such as heart rate and the like in real time, and displays the physiological sign data on a real terminal;
when the foreign matter appears and drops on the mattress body, the user stands up or other people pat the condition such as mattress body with strength, the mattress body can produce strong unusual vibration signal, this strong unusual vibration signal can lead to sign vibration signal to be strengthened certainly, the sign vibration signal at this moment can not accurately characterize user's physiological sign, so direct shielding is to the receipt of first signal of telecommunication, can effectively filter the physiological sign data that unusual vibration produced, improves physiological sign data's accuracy.
Drawings
In order to more clearly illustrate the technical solutions in the present embodiment or the prior art, the drawings needed to be used in the description of the embodiment or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings according to these drawings without inventive labor.
Fig. 1 is a block diagram of a physiological sign monitoring system according to an embodiment of the present invention;
fig. 2 is a flowchart of a physiological sign monitoring method according to a third embodiment of the present invention.
In the figure:
1. a first vibration sensor;
2. a second vibration sensor;
3. a processing unit;
4. a shielding unit;
5. and displaying the terminal.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the present embodiments will be clearly and completely described below with reference to the accompanying drawings in the present embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
The embodiment provides a physiological sign monitoring system applied to an intelligent mattress, which is applicable to an application scene of monitoring physiological signs of a user during sleeping in the field of sleep monitoring, and can improve the accuracy of physiological sign data acquisition.
When the physiological sign monitoring system is applied to an intelligent mattress, referring to fig. 1, the physiological sign monitoring system includes a mattress body, a first vibration sensor 1, a second vibration sensor 2, a processing unit 3, a shielding unit 4 and a display terminal 5.
The first vibration sensor 1 and the second vibration sensor 2 are both mounted on one side of the mattress body close to a human body, that is, if the mattress body has a front side and a back side, the first vibration sensor 1 and the second vibration sensor 2 are mounted on the front side of the mattress body, and if the mattress body does not have a front side and a back side (the mattress body is of a double-sided usable structure), a set of the first vibration sensor 1 and the second vibration sensor 2 are mounted on two usable surfaces of the mattress body respectively.
Wherein:
the first vibration sensor 1 is used for collecting sign vibration signals generated by a human body due to physiological signs and converting the sign vibration signals into first electric signals; in particular, the physiological sign may be at least one of heartbeat, respiration, or pulse beat, etc.; it can be understood that the physiological signs can make the mattress body generate a certain weak vibration (namely a sign vibration signal), and the weak vibration can reflect the heartbeat speed, the breathing depth, the pulse frequency and the like of the user to a certain extent.
The second vibration sensor 2 is used for acquiring an abnormal vibration signal and converting the abnormal vibration signal into a second electric signal; when a user sleeps, a pet or a bedside object and the like fall on the mattress body, the user turns over or others flap the mattress body with strength, and the mattress body generates strong vibration (namely an abnormal vibration signal), and the strong vibration inevitably causes the physical sign vibration signal to be strengthened, so that the physical sign vibration signal at the moment cannot represent the sleep state of the user, namely the physical sign vibration signal at the moment cannot represent information such as the heartbeat speed, the breathing depth and the pulse frequency of the user.
The processing unit 3 is configured to acquire the first electrical signal and process the first electrical signal to obtain physiological sign data; optionally, the physiological sign data may be a heart rate curve, a respiration curve, a pulse curve, or the like, or may be a graphic report related to heartbeat, respiration, pulse beat, or the like.
The shielding unit 4 is configured to shield the first electric signal output by the first vibration sensor 1 to the processing unit 3 when receiving the second electric signal; that is, when the second vibration sensor 2 finds that the mattress body has abnormal vibration, the processing unit 3 is suspended from receiving the first electrical signal, so that the sudden physiological sign data displayed on the display terminal 5 is avoided; for example, when the view is at 00: 00: 00-05: 00: heart rate curve within 5 hours between 00, if 03: 01: 05-03: 01: when an abnormal vibration signal appears at 10, the heart rate curve is 03: 01: 05-03: 01: part of 10 is shown as blank and remarked: "03: 01: 05-03: 01: and abnormal vibration signals appear between 10, and the physiological sign data in the time period cannot be accurately acquired.
The display terminal 5 is used for displaying the physiological sign data in at least one mode of pictures, characters and voice. Optionally, the display terminal 5 is a display screen connected to the processing unit 3 in a wired communication manner and/or an intelligent terminal connected to the processing unit 3 in a wireless communication manner. Furthermore, the intelligent terminal is a smart phone, a tablet computer, smart glasses or a smart watch. The user can inquire the sleep quality report at a display screen beside the intelligent mattress or the intelligent sofa, and also can inquire the sleep quality report on the intelligent terminal through the network.
Generally, the abnormal vibration signal does not exist, and the vibration signal of the mattress body is caused by the physiological signs of the user, so that the processing unit 3 constantly keeps the communication connection with the first vibration sensor 1, processes the received first electric signal into the physiological sign data such as the heart rate and the like in real time, and displays the physiological sign data on the real terminal; when foreign matters fall onto the mattress body, a user turns over or other people slap the mattress body with strength, the mattress body can generate strong abnormal vibration signals, the strong abnormal vibration signals can inevitably lead to physical sign vibration signals to be strengthened, the physical sign vibration signals at the moment can not accurately represent the physical signs of the user such as heartbeat speed, breathing depth and pulse frequency, and therefore the receiving of the first electric signals needs to be shielded, the display of the physical sign data is temporarily interrupted, and the fear or the undeniation of the user is avoided.
It can be understood that, for the mattress body, the sign vibration signal and the abnormal vibration signal are both vibration signals, but the sign vibration signal is caused by heartbeat, respiration or pulse beat, etc. due to a series of vital activities performed by the user, and the amplitude and the vibration frequency are generally small; the abnormal vibration signal is fast in comparison, and the amplitude and the vibration frequency are generally large.
Therefore, a vibration frequency interval and/or a vibration amplitude interval can be obtained after a large amount of data analysis:
presetting the vibration signal in the vibration frequency interval and/or the vibration amplitude as a sign vibration signal;
the vibration signal exceeding the vibration frequency interval and/or the vibration amplitude is preset as an abnormal vibration signal.
Generally, sensors with smaller ranges are more accurate. The amplitude of the sign vibration signal is relatively small, so that a pressure film sensor with small measuring range and high precision can be selected as the first vibration sensor 1; the amplitude of the abnormal vibration signal is relatively large, and therefore, an inertial sensor having a large range and low cost can be selected as the second vibration sensor 2.
Further, the upper range limit of the first vibration sensor 1 is less than or equal to the lower range limit of the second vibration sensor 2.
The physiological sign monitoring system that this embodiment provided detects sign vibration signal and unusual vibration signal simultaneously, and only when not detecting unusual vibration signal, just can be with the sign vibration signal processing that detects become physiological sign data and show, filters the physiological sign data that unusual vibration produced from this, improves the accuracy of physiological sign data.
Example two
The embodiment provides a physiological sign monitoring system applied to an intelligent sofa, which is used for monitoring physiological signs of a user sitting on the intelligent sofa and has the same functions and beneficial effects as the embodiment.
The difference between this embodiment and the first embodiment is:
the physiological sign monitoring system comprises a sofa body, a first vibration sensor, a second vibration sensor, a processing unit, a shielding unit and a display terminal.
When the physiological signs needing to be monitored comprise heart rate and the like, a group of first vibration sensors and second vibration sensors are arranged on the backrest of the sofa body;
when the physiological signs needing to be monitored comprise pulse beating and the like, a group of first vibration sensors and second vibration sensors are arranged at the armrests of the sofa body.
Specifically, the working principle and the process of the first vibration sensor, the second vibration sensor, the processing unit, the shielding unit, and the display terminal are the same as those in the first embodiment, and are not described in detail in this embodiment.
EXAMPLE III
The embodiment provides a physiological sign monitoring method, which is executed by the physiological sign monitoring system provided in the first or second embodiment, has corresponding functions and beneficial effects, and is implemented by software and/or hardware.
Referring to fig. 2, a physiological signs monitoring method, comprising:
s10: collecting physical sign vibration signals generated by a human body due to physiological physical signs, and converting the physical sign vibration signals into first electric signals;
s20: collecting an abnormal vibration signal, and converting the abnormal vibration signal into a second electric signal;
s30: acquiring the first electric signal, and processing the first electric signal to obtain physiological sign data; wherein the first electrical signal is masked when the second electrical signal is received;
s40: the physiological sign data are displayed in at least one mode of pictures, characters or voice and the like to form a sleep monitoring report.
In the embodiments provided in the present application, it should be understood that the disclosed system, unit, apparatus and method may be implemented in other ways. For example, all the embodiments described above are merely illustrative, and for example, the division of the above units or modules is only one logical function division, and there may be other divisions when the actual implementation is performed, for example, a plurality of units, modules and components may be combined or integrated into another system, or some features may be omitted or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a computer-readable storage medium and includes instructions for causing a terminal device (which may be a mobile phone, a notebook, or other electronic device) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A physiological signs monitoring system, comprising:
the first vibration sensor is used for acquiring sign vibration signals of a human body, which are generated due to physiological signs, and converting the sign vibration signals into first electric signals;
the second vibration sensor is used for acquiring an abnormal vibration signal and converting the abnormal vibration signal into a second electric signal;
the processing unit is used for acquiring the first electric signal and processing the first electric signal to obtain physiological sign data;
and the shielding unit is used for shielding the first electric signal output to the processing unit by the first vibration sensor when the second electric signal is received.
2. The physiological signs monitoring system of claim 1, wherein the physiological signs are heart beat, respiration, or pulse beat.
3. Physiological signs monitoring system according to claim 1 or 2, wherein the sign vibration signal has an amplitude and/or a frequency of vibration different from the abnormal vibration signal.
4. The physiological sign monitoring system of claim 3, wherein the upper range limit of the first vibration sensor is less than or equal to the lower range limit of the second vibration sensor.
5. The physiological signs monitoring system of claim 4, wherein the first vibration sensor is a pressure membrane sensor and the second vibration sensor is an inertial sensor.
6. The physiological signs monitoring system of claim 1, further comprising a mattress body;
the first vibration sensor and the second vibration sensor are both arranged on one side, close to a human body, of the mattress body.
7. The physiological signs monitoring system of claim 1, further comprising a sofa body;
the first vibration sensor and the second vibration sensor are both arranged on the backrest or the armrest of the sofa body.
8. The physiological signs monitoring system of claim 1, further comprising a display terminal communicatively coupled to the processing unit;
the display terminal is used for displaying the physiological sign data in at least one mode of pictures, characters and voice.
9. The physiological signs monitoring system of claim 8, wherein the display terminal is a display screen in wired communication with the processing unit and/or an intelligent terminal in wireless communication with the processing unit.
10. A physiological signs monitoring method performed by the physiological signs monitoring system of any one of claims 1-9, comprising:
collecting physical sign vibration signals of a human body, which are generated due to physiological physical signs, and converting the physical sign vibration signals into first electric signals;
acquiring an abnormal vibration signal, and converting the abnormal vibration signal into a second electric signal;
acquiring the first electric signal, and processing the first electric signal to obtain physiological sign data; wherein the first electrical signal is masked when the second electrical signal is received.
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2022
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| JPH1014889A (en) * | 1996-07-04 | 1998-01-20 | Matsushita Electric Ind Co Ltd | Vital signal sensing device |
| WO1998034577A1 (en) * | 1997-02-10 | 1998-08-13 | Herbert Lewin | Method and apparatus for supervision of health parameters |
| JP2001041531A (en) * | 1999-07-30 | 2001-02-16 | Matsushita Electric Ind Co Ltd | Environment control apparatus and care house |
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| WO2022020874A1 (en) * | 2020-07-30 | 2022-02-03 | Malzl Hans L | System and method for detecting sleep quality |
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