CN116625550B - Wrist body temperature dynamic monitoring method based on intelligent watch - Google Patents
Wrist body temperature dynamic monitoring method based on intelligent watch Download PDFInfo
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- CN116625550B CN116625550B CN202310246601.XA CN202310246601A CN116625550B CN 116625550 B CN116625550 B CN 116625550B CN 202310246601 A CN202310246601 A CN 202310246601A CN 116625550 B CN116625550 B CN 116625550B
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- 230000036760 body temperature Effects 0.000 title claims abstract description 116
- 210000000707 wrist Anatomy 0.000 title claims abstract description 104
- 238000012544 monitoring process Methods 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 81
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 78
- 230000008859 change Effects 0.000 claims description 43
- 230000007613 environmental effect Effects 0.000 claims description 26
- 238000005070 sampling Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/20—Clinical contact thermometers for use with humans or animals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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Abstract
The invention provides a smart watch and a wrist body temperature dynamic monitoring method based on the smart watch, wherein a motion sensor, a first temperature sensor for measuring ambient temperature and a second temperature sensor for measuring wrist temperature are arranged, the first temperature sensor is a contact type temperature sensor, the second temperature sensor is a non-contact type temperature sensor, the smart watch further comprises a controller connected with the motion sensor, the first temperature sensor and the second temperature sensor, and the controller is used for judging the stability of the ambient temperature according to the motion state of the smart watch and the ambient temperature around the smart watch, so that when the ambient temperature around the smart watch is in a stable state, the second temperature sensor is controlled to execute wrist body temperature measurement, and the influence of the ambient temperature on the accuracy of wrist body temperature automatic monitoring can be reduced.
Description
Technical Field
The invention relates to the technical field of intelligent wearing, in particular to a wrist body temperature dynamic monitoring method based on an intelligent watch.
Background
In recent years, with the development of health monitoring technology of wearable devices, health monitoring using wearable devices such as smart watches has become one of the functions of wearable devices that are often used by people. Body temperature is one of the important indicators reflecting the health condition of people, for example, people generally judge whether fever occurs according to body temperature. Although the wrist body temperature of people also rises in a fever state, as the wrist is generally directly exposed in the air, the surface temperature of the wrist is greatly influenced by the environmental temperature, the body temperature measured by the wrist body temperature measuring means commonly used at present is inaccurate, and the wrist body temperature measured by the intelligent watch and the like is not effective due to overlarge measurement error, so that the wrist wearing equipment commonly used in the market does not integrate the body temperature monitoring function. In order to solve the problems, li Zheng and the like in the design of a wearable body temperature detection device based on wrist temperature measurement of Shanghai university propose and realize a non-contact temperature measurement system which only needs to measure wrist fixed point temperature and obtains human body temperature after an infrared temperature measurement correction algorithm and a body temperature compensation algorithm, optimize the proposed temperature correction and compensation algorithm on the basis of experimental data of a medical body temperature detector, establish a mathematical model between the body temperature and wrist temperature and environmental temperature, and further improve the accuracy of measuring the wrist body temperature. However, the method is realized under the relatively stable environmental temperature of a laboratory, and is only suitable for being used under the relatively stable environmental temperature occasion, while the wearable devices such as the smart watch and the like are articles carried by people, and the temperature of the environment where the smart watch is positioned can be greatly changed due to frequent changes of daily activities of people, such as from indoor to outdoor or from outdoor to indoor position, and even if a user is stationary, the air flow can also cause the environmental temperature to change if the user is in an outdoor environment, so that the temperature correction and compensation algorithm is invalid.
Disclosure of Invention
Based on the problems, the invention provides a wrist body temperature dynamic monitoring method based on an intelligent watch, which can reduce the influence of the ambient temperature on the accuracy of wrist body temperature automatic monitoring.
In view of this, a first aspect of the present invention proposes a smart watch, including a motion sensor disposed inside the smart watch, a first temperature sensor disposed on an upper surface of the smart watch for measuring an ambient temperature, and a second temperature sensor disposed on a lower surface of the smart watch for measuring a wrist temperature, the first temperature sensor being a contact temperature sensor, the second temperature sensor being a non-contact temperature sensor, the smart watch further including a controller connected to the motion sensor, the first temperature sensor, and the second temperature sensor, the controller being configured to determine a stability of the ambient temperature according to a motion state of the smart watch and the ambient temperature around the smart watch, so as to control the second temperature sensor to perform wrist body temperature measurement when the ambient temperature around the smart watch is in a stable state.
The second aspect of the invention provides a wrist body temperature dynamic monitoring method based on a smart watch, which comprises the following steps:
Starting a wrist body temperature monitoring program according to the operation of a user or according to body temperature monitoring configuration information stored in the intelligent watch;
monitoring the motion state of the intelligent watch through a motion sensor arranged on the intelligent watch;
The method comprises the steps that the ambient temperature around the intelligent watch is monitored through a first temperature sensor arranged on the upper surface of the intelligent watch, and the first temperature sensor is a contact type temperature sensor;
acquiring a pre-configured wrist body temperature monitoring period for monitoring the wrist body temperature of a user through a second temperature sensor arranged on the lower surface of the intelligent watch from the body temperature monitoring configuration information;
Starting a timer to start timing;
judging whether the timing of the timer is equal to the wrist body temperature monitoring period or not;
when the timing of the timer is equal to the wrist body temperature monitoring period, judging the stability of the ambient temperature according to the motion state of the intelligent watch and the ambient temperature around the intelligent watch;
When the ambient temperature around the intelligent watch is in a stable state, controlling the second temperature sensor to execute wrist body temperature measurement;
Inputting the measurement result of the wrist body temperature measurement and the average ambient temperature when the ambient temperature around the intelligent watch is in a stable state into an ambient temperature compensation model to calculate the actual wrist body temperature of the user;
resetting timing data of the timer to restart timing;
And returning to the step of judging whether the timing of the timer is equal to the body temperature monitoring period.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of judging the stability of the ambient temperature according to the motion state of the smart watch and the ambient temperature around the smart watch specifically includes:
determining a time point when the timing of the timer is equal to the wrist body temperature monitoring period as a first time point;
acquiring a motion state of the intelligent watch at the first moment;
Acquiring the sampling times and sampling periods of the single body temperature measurement of the second temperature sensor which are preset from the body temperature monitoring configuration information;
Calculating the measurement duration of the single body temperature measurement of the second temperature sensor according to the sampling times and the sampling period;
predicting the movement distance of a user in the time range of the measurement duration according to the movement state of the intelligent watch;
judging whether the movement distance is larger than a preset first threshold value or not;
and when the movement distance is larger than a preset first threshold value, determining that the ambient temperature around the intelligent watch is in an unstable state.
Further, in the method for dynamically monitoring the wrist body temperature based on the smart watch, after the step of determining whether the movement distance is greater than the preset first threshold value, the method further includes:
when the movement distance is smaller than a preset first threshold value, acquiring the change amplitude of the ambient temperature in a period of time before the first moment;
Judging whether the change amplitude of the ambient temperature in a period of time before the first moment is smaller than a preset second threshold value or not;
and when the change amplitude of the ambient temperature in a period of time before the first moment is smaller than a preset second threshold value, determining that the ambient temperature around the intelligent watch is in a stable state.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of obtaining the environmental temperature variation amplitude within a period of time before the first time specifically includes:
Acquiring a preconfigured environmental temperature change amplitude identification period;
Acquiring environmental temperature data in a time range in which the time interval between the first time and the first time is smaller than the environmental temperature change amplitude identification period;
Calculating an average value of the ambient temperature data within the time range;
determining a maximum difference between the ambient temperature data and the average value within the time range as an ambient temperature change amplitude within a period of time prior to the first time.
Further, in the above method for dynamically monitoring wrist body temperature based on the smart watch, the step of controlling the second temperature sensor to perform wrist body temperature measurement specifically includes:
controlling the second temperature sensor to start body temperature measurement according to the sampling times and the sampling period;
Detecting the ambient temperature change amplitude around the intelligent watch in real time through the first temperature sensor in the body temperature measurement process;
judging whether the ambient temperature change amplitude around the intelligent watch is larger than a preset second threshold value or not;
When the ambient temperature change amplitude around the intelligent watch is larger than a preset second threshold value, acquiring the sampled times of the current body temperature measurement;
And stopping the current body temperature measurement and outputting a first body temperature measurement result when the sampled times are smaller than the preset sampling times and larger than a preset third threshold value.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of detecting the ambient temperature variation amplitude around the smart watch in real time through the first temperature sensor in the body temperature measurement process specifically includes:
acquiring ambient temperature data around the intelligent watch output by the first temperature sensor in real time in the body temperature measurement process;
calculating an average value of the environmental temperature data in the body temperature measurement process in real time as an average value of corresponding moments;
the difference between the ambient temperature at each time and the average value at that time is determined as the ambient temperature variation amplitude at that time.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, after stopping the step of measuring the current body temperature and outputting the first body temperature measurement result, the method further includes:
Determining a first timing time less than the body temperature monitoring period according to the sampled times;
determining a time at which the current body temperature measurement is stopped as a second time;
starting timing by taking the second moment as a starting point;
judging whether the timing of the timer is equal to the first timing time or not;
when the timing of the timer is equal to the first timing time, controlling the second temperature sensor to execute wrist body temperature measurement again;
Detecting the ambient temperature change amplitude around the intelligent watch in real time through the first temperature sensor in the body temperature measurement process;
And outputting a second body temperature measurement result when the environmental temperature change amplitude of the intelligent watch is smaller than a preset second threshold value in the body temperature measurement process.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, after the step of obtaining the sampled times of the current body temperature measurement, the method further includes:
And stopping the current body temperature measurement and discarding the current body temperature measurement data when the sampled times are smaller than a preset third threshold value.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, after the step of judging the stability of the ambient temperature according to the motion state of the smart watch and the ambient temperature around the smart watch, the method further includes:
When the movement distance is smaller than a preset first threshold value and the change amplitude of the ambient temperature in a period of time before the first moment is larger than a preset second threshold value, determining that the ambient temperature around the intelligent watch is in an unstable state;
taking the environmental temperature change amplitude within a period of time before the third moment;
Judging whether the change amplitude of the ambient temperature in a period of time before the third moment is smaller than a preset second threshold value or not;
determining a second timing time greater than the body temperature monitoring period when the environmental temperature change amplitude within a period of time before the third moment is less than a preset second threshold value;
Determining the ending time of the last body temperature measurement as a fourth time;
starting timing by taking the fourth moment as a starting point;
Judging whether the timing of the timer is equal to the second timing time;
And when the timing of the timer is equal to the second timing time, controlling the second temperature sensor to execute wrist body temperature measurement again.
Further, in the method for dynamically monitoring the wrist body temperature based on the smart watch, after the step of starting timing with the fourth time as a starting point, the method further includes:
judging the stability of the ambient temperature according to the motion state of the intelligent watch and the ambient temperature around the intelligent watch;
and when the timing of the timer is smaller than the second timing time and the ambient temperature around the intelligent watch is in an unstable state, returning to execute the step of determining a second timing time which is larger than the body temperature monitoring period.
The invention provides a smart watch and a wrist body temperature dynamic monitoring method based on the smart watch, wherein a motion sensor, a first temperature sensor for measuring ambient temperature and a second temperature sensor for measuring wrist temperature are arranged, the first temperature sensor is a contact type temperature sensor, the second temperature sensor is a non-contact type temperature sensor, the smart watch further comprises a controller connected with the motion sensor, the first temperature sensor and the second temperature sensor, and the controller is used for judging the stability of the ambient temperature according to the motion state of the smart watch and the ambient temperature around the smart watch, so that when the ambient temperature around the smart watch is in a stable state, the second temperature sensor is controlled to execute wrist body temperature measurement, and the influence of the ambient temperature on the accuracy of wrist body temperature automatic monitoring can be reduced.
Drawings
FIG. 1 is a block diagram of a smart watch according to one embodiment of the present invention;
fig. 2 is a flowchart of a wrist body temperature dynamic monitoring method based on a smart watch according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of this specification, the terms "one embodiment," "some implementations," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
A smart watch and a wrist body temperature dynamic monitoring method based on the smart watch according to some embodiments of the present invention are described below with reference to the accompanying drawings.
As shown in fig. 1, a first aspect of the present invention proposes a smart watch, including a motion sensor disposed inside the smart watch, a first temperature sensor disposed on an upper surface of the smart watch for measuring an ambient temperature, and a second temperature sensor disposed on a lower surface of the smart watch for measuring a wrist temperature, where the first temperature sensor is a contact temperature sensor, and the second temperature sensor is a non-contact temperature sensor, and the smart watch further includes a controller connected to the motion sensor, the first temperature sensor, and the second temperature sensor, where the controller is configured to determine stability of the ambient temperature according to a motion state of the smart watch and the ambient temperature around the smart watch, so as to control the second temperature sensor to perform wrist body temperature measurement when the ambient temperature around the smart watch is in a stable state.
Further, in the above smart watch, the first temperature sensor is a thermal resistance temperature sensor, and a resistance of the first temperature sensor contacts with air.
Further, in the above smart watch, the second temperature sensor is an infrared temperature sensor.
As shown in fig. 2, a second aspect of the present invention proposes a wrist body temperature dynamic monitoring method based on a smart watch, including:
Starting a wrist body temperature monitoring program according to the operation of a user or according to body temperature monitoring configuration information stored in the intelligent watch;
monitoring the motion state of the intelligent watch through a motion sensor arranged on the intelligent watch;
The method comprises the steps that the ambient temperature around the intelligent watch is monitored through a first temperature sensor arranged on the upper surface of the intelligent watch, and the first temperature sensor is a contact type temperature sensor;
acquiring a pre-configured wrist body temperature monitoring period for monitoring the wrist body temperature of a user through a second temperature sensor arranged on the lower surface of the intelligent watch from the body temperature monitoring configuration information;
Starting a timer to start timing;
judging whether the timing of the timer is equal to the wrist body temperature monitoring period or not;
when the timing of the timer is equal to the wrist body temperature monitoring period, judging the stability of the ambient temperature according to the motion state of the intelligent watch and the ambient temperature around the intelligent watch;
When the ambient temperature around the intelligent watch is in a stable state, controlling the second temperature sensor to execute wrist body temperature measurement;
Inputting the measurement result of the wrist body temperature measurement and the average ambient temperature when the ambient temperature around the intelligent watch is in a stable state into an ambient temperature compensation model to calculate the actual wrist body temperature of the user;
resetting timing data of the timer to restart timing;
And returning to the step of judging whether the timing of the timer is equal to the body temperature monitoring period.
Further, in the above method for dynamically monitoring wrist body temperature based on the smart watch, the starting the wrist body temperature monitoring program according to the user operation or the body temperature monitoring configuration information stored in the smart watch specifically includes:
And starting the wrist body temperature monitoring program according to the operation of a user in a user interaction interface of the intelligent watch.
Further, in the above method for dynamically monitoring wrist body temperature based on the smart watch, the smart watch stores a starting program list, and the starting of the wrist body temperature monitoring program according to the operation of the user or the body temperature monitoring configuration information stored in the smart watch specifically includes:
reading the starting program list when the intelligent watch is started, wherein the starting program list comprises the wrist body temperature monitoring program;
Starting application programs including the wrist body temperature monitoring program according to the starting sequence of the starting program list;
Reading body temperature monitoring configuration information stored in the intelligent watch;
and controlling the second temperature sensor to monitor the wrist body temperature of the user according to the body temperature monitoring configuration information.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of resetting the timing data of the timer to restart timing specifically includes resetting the timing of the timer to 0to restart timing.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of judging the stability of the ambient temperature according to the motion state of the smart watch and the ambient temperature around the smart watch specifically includes:
determining a time point when the timing of the timer is equal to the wrist body temperature monitoring period as a first time point;
acquiring a motion state of the intelligent watch at the first moment;
Acquiring the sampling times and sampling periods of the single body temperature measurement of the second temperature sensor which are preset from the body temperature monitoring configuration information;
Calculating the measurement duration of the single body temperature measurement of the second temperature sensor according to the sampling times and the sampling period;
predicting the movement distance of a user in the time range of the measurement duration according to the movement state of the intelligent watch;
judging whether the movement distance is larger than a preset first threshold value or not;
and when the movement distance is larger than a preset first threshold value, determining that the ambient temperature around the intelligent watch is in an unstable state.
Further, in the above method for dynamically monitoring a wrist body temperature based on a smart watch, predicting a movement distance of a user within a time range of the measurement duration according to a movement state of the smart watch specifically includes:
acquiring the movement speed of the intelligent watch in a period of time before the first moment;
Calculating the moving speed of a user at the first moment according to the moving speed of the intelligent watch in a period of time before the first moment;
And calculating the movement distance of the user in the time range of the measurement duration according to the movement speed of the user at the first moment.
Further, in the method for dynamically monitoring the wrist body temperature based on the smart watch, after the step of determining whether the movement distance is greater than the preset first threshold value, the method further includes:
when the movement distance is smaller than a preset first threshold value, acquiring the change amplitude of the ambient temperature in a period of time before the first moment;
Judging whether the change amplitude of the ambient temperature in a period of time before the first moment is smaller than a preset second threshold value or not;
and when the change amplitude of the ambient temperature in a period of time before the first moment is smaller than a preset second threshold value, determining that the ambient temperature around the intelligent watch is in a stable state.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of obtaining the environmental temperature variation amplitude within a period of time before the first time specifically includes:
Acquiring a preconfigured environmental temperature change amplitude identification period;
Acquiring environmental temperature data in a time range in which the time interval between the first time and the first time is smaller than the environmental temperature change amplitude identification period;
Calculating an average value of the ambient temperature data within the time range;
determining a maximum difference between the ambient temperature data and the average value within the time range as an ambient temperature change amplitude within a period of time prior to the first time.
Further, in the above method for dynamically monitoring wrist body temperature based on the smart watch, the step of controlling the second temperature sensor to perform wrist body temperature measurement specifically includes:
controlling the second temperature sensor to start body temperature measurement according to the sampling times and the sampling period;
Detecting the ambient temperature change amplitude around the intelligent watch in real time through the first temperature sensor in the body temperature measurement process;
judging whether the ambient temperature change amplitude around the intelligent watch is larger than a preset second threshold value or not;
When the ambient temperature change amplitude around the intelligent watch is larger than a preset second threshold value, acquiring the sampled times of the current body temperature measurement;
And stopping the current body temperature measurement and outputting a first body temperature measurement result when the sampled times are smaller than the preset sampling times and larger than a preset third threshold value.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of detecting the ambient temperature variation amplitude around the smart watch in real time through the first temperature sensor in the body temperature measurement process specifically includes:
acquiring ambient temperature data around the intelligent watch output by the first temperature sensor in real time in the body temperature measurement process;
calculating an average value of the environmental temperature data in the body temperature measurement process in real time as an average value of corresponding moments;
the difference between the ambient temperature at each time and the average value at that time is determined as the ambient temperature variation amplitude at that time.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, after stopping the step of measuring the current body temperature and outputting the first body temperature measurement result, the method further includes:
Determining a first timing time less than the body temperature monitoring period according to the sampled times;
determining a time at which the current body temperature measurement is stopped as a second time;
starting timing by taking the second moment as a starting point;
judging whether the timing of the timer is equal to the first timing time or not;
when the timing of the timer is equal to the first timing time, controlling the second temperature sensor to execute wrist body temperature measurement again;
Detecting the ambient temperature change amplitude around the intelligent watch in real time through the first temperature sensor in the body temperature measurement process;
And outputting a second body temperature measurement result when the environmental temperature change amplitude of the intelligent watch is smaller than a preset second threshold value in the body temperature measurement process.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the product of the first timing time and the pre-configured sampling frequency is proportional to the product of the body temperature monitoring period and the sampled frequency.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, after the step of obtaining the sampled times of the current body temperature measurement, the method further includes:
And stopping the current body temperature measurement and discarding the current body temperature measurement data when the sampled times are smaller than a preset third threshold value.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, after the step of judging the stability of the ambient temperature according to the motion state of the smart watch and the ambient temperature around the smart watch, the method further includes:
When the movement distance is smaller than a preset first threshold value and the change amplitude of the ambient temperature in a period of time before the first moment is larger than a preset second threshold value, determining that the ambient temperature around the intelligent watch is in an unstable state;
taking the environmental temperature change amplitude within a period of time before the third moment;
Judging whether the change amplitude of the ambient temperature in a period of time before the third moment is smaller than a preset second threshold value or not;
determining a second timing time greater than the body temperature monitoring period when the environmental temperature change amplitude within a period of time before the third moment is less than a preset second threshold value;
Determining the ending time of the last body temperature measurement as a fourth time;
starting timing by taking the fourth moment as a starting point;
Judging whether the timing of the timer is equal to the second timing time;
And when the timing of the timer is equal to the second timing time, controlling the second temperature sensor to execute wrist body temperature measurement again.
Further, in the method for dynamically monitoring the wrist body temperature based on the smart watch, after the step of starting timing with the fourth time as a starting point, the method further includes:
judging the stability of the ambient temperature according to the motion state of the intelligent watch and the ambient temperature around the intelligent watch;
and when the timing of the timer is smaller than the second timing time and the ambient temperature around the intelligent watch is in an unstable state, returning to execute the step of determining a second timing time which is larger than the body temperature monitoring period.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, before the step of determining a second timing time greater than the body temperature monitoring period, the method further includes:
Acquiring a preconfigured accumulation step length, wherein the accumulation step length is smaller than the body temperature monitoring period;
an accumulated count variable is configured to initialize a value of 0 for determining the second timing time.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, before returning to the step of determining a second timing time greater than the body temperature monitoring period, the method further includes:
The accumulated count variable is incremented by 1 based on the current value.
Further, in the wrist body temperature dynamic monitoring method based on the smart watch, the step of determining a second timing time longer than the body temperature monitoring period specifically includes:
Let the second timing time = body temperature monitoring period + accumulated count variable x accumulated step size.
It should be noted that in this document relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Embodiments in accordance with the present invention, as described above, are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention and various modifications as are suited to the particular use contemplated. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The wrist body temperature dynamic monitoring method based on the intelligent watch is characterized by comprising the following steps of:
Starting a wrist body temperature monitoring program according to the operation of a user or according to body temperature monitoring configuration information stored in the intelligent watch;
monitoring the motion state of the intelligent watch through a motion sensor arranged on the intelligent watch;
Monitoring the ambient temperature around the intelligent watch through a first temperature sensor arranged on the upper surface of the intelligent watch, wherein the first temperature sensor is a contact type temperature sensor;
acquiring a pre-configured wrist body temperature monitoring period for monitoring the wrist body temperature of a user through a second temperature sensor arranged on the lower surface of the intelligent watch from the body temperature monitoring configuration information;
Starting a timer to start timing;
judging whether the timing of the timer is equal to the wrist body temperature monitoring period or not;
when the timing of the timer is equal to the wrist body temperature monitoring period, judging the stability of the ambient temperature according to the motion state of the intelligent watch and the ambient temperature around the intelligent watch;
When the ambient temperature around the intelligent watch is in a stable state, controlling the second temperature sensor to execute wrist body temperature measurement;
Inputting the measurement result of the wrist body temperature measurement and the average ambient temperature when the ambient temperature around the intelligent watch is in a stable state into an ambient temperature compensation model to calculate the actual wrist body temperature of the user;
resetting timing data of the timer to restart timing;
Returning to execute the step of judging whether the timing of the timer is equal to the body temperature monitoring period;
the step of judging the stability of the ambient temperature according to the motion state of the intelligent watch and the ambient temperature around the intelligent watch specifically comprises the following steps:
determining a time point when the timing of the timer is equal to the wrist body temperature monitoring period as a first time point;
acquiring a motion state of the intelligent watch at the first moment;
Acquiring the sampling times and sampling periods of the single body temperature measurement of the second temperature sensor which are preset from the body temperature monitoring configuration information;
Calculating the measurement duration of the single body temperature measurement of the second temperature sensor according to the sampling times and the sampling period;
predicting the movement distance of a user in the time range of the measurement duration according to the movement state of the intelligent watch;
judging whether the movement distance is larger than a preset first threshold value or not;
when the movement distance is greater than a preset first threshold value, determining that the ambient temperature around the intelligent watch is in an unstable state;
after the step of judging whether the movement distance is greater than the preset first threshold value, the method further comprises the following steps:
when the movement distance is smaller than a preset first threshold value, acquiring the change amplitude of the ambient temperature in a period of time before the first moment;
Judging whether the change amplitude of the ambient temperature in a period of time before the first moment is smaller than a preset second threshold value or not;
and when the change amplitude of the ambient temperature in a period of time before the first moment is smaller than a preset second threshold value, determining that the ambient temperature around the intelligent watch is in a stable state.
2. The method for dynamically monitoring the body temperature of a wrist based on a smart watch according to claim 1, wherein the step of obtaining the magnitude of the change in the ambient temperature within a period of time before the first time comprises:
Acquiring a preconfigured environmental temperature change amplitude identification period;
Acquiring environmental temperature data in a time range in which the time interval between the first time and the first time is smaller than the environmental temperature change amplitude identification period;
Calculating an average value of the ambient temperature data within the time range;
determining a maximum difference between the ambient temperature data and the average value within the time range as an ambient temperature change amplitude within a period of time prior to the first time.
3. The wrist body temperature dynamic monitoring method based on the smart watch according to claim 2, wherein the step of controlling the second temperature sensor to perform wrist body temperature measurement specifically comprises:
controlling the second temperature sensor to start body temperature measurement according to the sampling times and the sampling period;
Detecting the ambient temperature change amplitude around the intelligent watch in real time through the first temperature sensor in the body temperature measurement process;
judging whether the ambient temperature change amplitude around the intelligent watch is larger than a preset second threshold value or not;
When the ambient temperature change amplitude around the intelligent watch is larger than a preset second threshold value, acquiring the sampled times of the current body temperature measurement;
And stopping the current body temperature measurement and outputting a first body temperature measurement result when the sampled times are smaller than the preset sampling times and larger than a preset third threshold value.
4. The wrist body temperature dynamic monitoring method based on the smart watch according to claim 3, wherein the step of detecting the ambient temperature variation amplitude around the smart watch in real time through the first temperature sensor during the body temperature measurement specifically comprises:
acquiring ambient temperature data around the intelligent watch output by the first temperature sensor in real time in the body temperature measurement process;
calculating an average value of the environmental temperature data in the body temperature measurement process in real time as an average value of corresponding moments;
the difference between the ambient temperature at each time and the average value at that time is determined as the ambient temperature variation amplitude at that time.
5. The method for dynamically monitoring the body temperature of a wrist based on a smart watch according to claim 3, further comprising, after the step of stopping the current body temperature measurement and outputting the first body temperature measurement result:
Determining a first timing time less than the body temperature monitoring period according to the sampled times;
determining a time at which the current body temperature measurement is stopped as a second time;
starting timing by taking the second moment as a starting point;
judging whether the timing of the timer is equal to the first timing time or not;
when the timing of the timer is equal to the first timing time, controlling the second temperature sensor to execute wrist body temperature measurement again;
Detecting the ambient temperature change amplitude around the intelligent watch in real time through the first temperature sensor in the body temperature measurement process;
And outputting a second body temperature measurement result when the environmental temperature change amplitude of the intelligent watch is smaller than a preset second threshold value in the body temperature measurement process.
6. The method for dynamically monitoring the body temperature of a wrist based on a smart watch according to claim 3, further comprising, after the step of obtaining the sampled number of current body temperature measurements:
And stopping the current body temperature measurement and discarding the current body temperature measurement data when the sampled times are smaller than a preset third threshold value.
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