CN209003983U - Wearable device - Google Patents
Wearable device Download PDFInfo
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- CN209003983U CN209003983U CN201721584260.3U CN201721584260U CN209003983U CN 209003983 U CN209003983 U CN 209003983U CN 201721584260 U CN201721584260 U CN 201721584260U CN 209003983 U CN209003983 U CN 209003983U
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Abstract
The utility model discloses a kind of wearable device, wearable device includes shell, is installed on the intracorporal processor of shell, and connect with processor and be installed on optics sensing heart rate mould group and Distance-sensing mould group in shell user oriented wearing site one side.Optics sensing heart rate mould group emits optical signal, and detects and the reflected intensity is sent to the processor after the reflected intensity of the optical signal.The positional relationship that the Distance-sensing mould group will test between the optics sensing heart rate mould group of acquisition and user's wearing site is sent to the processor.The processor handles the positional relationship between the optics sensing heart rate mould group and user's wearing site, adjusts the signal transmission power of the optics sensing heart rate mould group, and controls the heart rate of the optics sensing heart rate mould group detection user.The utility model substantially increases the heart rate detection precision of wearable device.
Description
Technical field
The utility model belongs to electronic technology field, specifically, being related to a kind of wearable device.
Background technique
With the fast development of electronic technology, wearable device realizes more and more function by the heart rate of detection user
Can, for example, the functions such as motion monitoring, health monitoring, sleep monitor.
In the prior art, wearable device generallys use PPG (Photoplethysmography, photoplethaysmography) arteries and veins
Wave method of fighting carries out heart rate detection, and wherein PPG is that one kind is based on Photoelectric Detection volumetric blood with the changed principle of pulse beating
The method for carrying out heart rate measurement.Wearable device by the inclusion of LED light and the optics sensing heart rate mould group of photodetector to
The wearing site transmitting optical signal at family and the reflected intensity for detecting optical signal, and by changing frequency to detected reflected intensity
It can be obtained the heart rate of the user after rate processing.
But above-mentioned heart rate detection method, user when wearing wearable device due to wore pine or movement etc. other because
Element causes the equipment and the relative position of the wearing site of user to change, the light letter for causing optics sensing heart rate mould group to emit
Number propagation path change so that the reflected intensity of optical signal of optics sensing heart rate mould group detection becomes smaller, to influence
Heart rate detection is as a result, reduce the detection accuracy of heart rate.
Utility model content
In view of this, the present invention provides a kind of wearable device, for solve due to intelligent wearable device with
The problem of variation of wearing site relative position causes heart rate detection precision to reduce further improves the heart rate detection essence of equipment
Degree.
In order to solve the above-mentioned technical problem, the utility model provides a kind of wearable device, including shell, is installed on institute
The intracorporal processor of shell is stated, and is connected to the processor and is installed in the shell user oriented wearing site one side
Optics sensing heart rate mould group and Distance-sensing mould group；
The optics sensing heart rate mould group emits optical signal, and detects the reflected intensity of the optical signal；By the reflection
Intensity is sent to the processor；
The Distance-sensing mould group will test acquisition the optics sensing heart rate mould group and user's wearing site it
Between positional relationship be sent to the processor；
The processor handles the positional relationship between the optics sensing heart rate mould group and user's wearing site,
The signal transmission power of the optics sensing heart rate mould group is adjusted, and controls the heart of the optics sensing heart rate mould group detection user
Rate.
Preferably, the Distance-sensing mould group includes multiple capacitance sensors；The optics sensing heart rate mould group is mounted on
The center of the shell user oriented wearing site one side, the multiple capacitance sensor is with the optics heart rate sensor
Centered on mould group, it is looped around the optics heart rate sensor mould group periphery at equal intervals；
The capacitance sensor detects and sends the shell relative to the capacitance parameter between user's wearing site to institute
State processor；
The processor handles each capacitance parameter.
Preferably, the equipment further includes being connected to the processor and being set to the shell user oriented wearing site
Pressure sensing mould group on one side；
The pressure sensing mould group includes multiple pressure sensors；The multiple pressure sensor is passed with the optics heart rate
Centered on sensor mould group, it is arranged with the multiple capacitance sensor interval, is looped around the optics heart rate sensor mould at equal intervals
Group periphery；
The pressure sensing mould group detects and sends the pressure parameter between the shell and user's wearing site to described
Processor；
The processor handles the pressure parameter and the capacitance parameter.
Preferably, the optics sensing heart rate mould group includes multi-group light-emitting diode LED light for emitting optical signal, and
One or more photodetectors are used to detect the luminous intensity of the optical signal of user's wearing site reflection.
Preferably, the optics sensing heart rate mould group includes a photodetector and two groups of LED light；
The photodetector is located at the center of the optics sensing heart rate mould group, and two groups of LED light are symmetrically disposed on
At left and right sides of the photodetector, so that photodetector detection obtains the light of the optical signal of user's wearing site reflection
Intensity.
It preferably, further include the fixing belt being connect with the shell；The fixing belt is for fixing the wearable device
In user's wearing site.
Preferably, the shell both ends connect the fixing belt；The Distance-sensing mould group includes four capacitance sensors；
Four capacitance sensors are looped around the optics sensing heart rate centered on the optics heart rate sensor mould group at equal intervals
Device mould group periphery；Wherein, two capacitance sensors are respectively arranged at the both ends for connecting the shell of the fixing belt.
It preferably, further include pressure sensor mould group；The pressure sensing mould group includes four pressure sensors；Described four
A pressure sensor is arranged at equal intervals with four capacitance sensors, is looped around the optics heart rate sensor mould group at equal intervals
Periphery.
Compared with prior art, the utility model can be obtained including following technical effect:
The utility model provides a kind of wearable device, which includes shell, is installed on the intracorporal place of shell
Manage device, and the optics sensing heart rate mould group for connecting and being installed in the shell user oriented wearing site one side with the processor
And Distance-sensing mould group.The utility model by Distance-sensing mould group detect optics sensing heart rate mould group and user's wearing site it
Between positional relationship, according to detected positional relationship, and then can know optics sensing heart rate mould group transmitting optical signal
The variation of optical path, so that the signal transmission power of dynamic regulation optics sensing heart rate mould group is to compensate as caused by optical path change
The decaying of intensity of reflected light.Optics sensing heart rate mould group is avoided since the relative position variation of opposite wearing site leads to heart rate
The problem of testing result inaccuracy, substantially increases heart rate detection precision.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is a kind of functional block diagram of one embodiment of wearable device of the utility model embodiment；
Fig. 2 is a kind of functional block diagram of another embodiment of wearable device of the utility model embodiment；
Fig. 3 is a kind of structure schematic diagram of wearable device of the utility model embodiment；
When Fig. 4 is a kind of relative position variation of the wearable device of the utility model embodiment relative to wearing site
Side status schematic diagram；
Fig. 5 is a kind of flow chart of one embodiment of heart rate detection method of the utility model embodiment；
Fig. 6 is a kind of flow chart of another embodiment of heart rate detection method of the utility model embodiment.
Specific embodiment
The embodiments of the present invention is described in detail below in conjunction with accompanying drawings and embodiments, whereby to the utility model
How applied technology method solves technical problem and reaches the realization process of technical effect to fully understand and implement.
The skill of heart rate detection precision reduction is caused in order to solve intelligent wearable device and the variation of wearing site relative position
Art problem.The utility model provides a kind of heart rate detection method and a kind of wearable device, the wearable device include shell,
It is installed on the intracorporal processor of shell, and connect and is installed in the shell user oriented wearing site one side with the processor
Optics sensing heart rate mould group and Distance-sensing mould group.The utility model detects optics sensing heart rate mould group by Distance-sensing mould group
With the positional relationship between user's wearing site, according to detected positional relationship, and then optics sensing heart rate can be known
Mould group emit optical signal optical path variation, thus the signal transmission power of dynamic regulation optics sensing heart rate mould group with compensate by
The decaying of the intensity of reflected light caused by optical path change.It is opposite due to opposite wearing site to avoid optics sensing heart rate mould group
Change in location leads to the problem of heart rate detection result inaccuracy, substantially increases heart rate detection precision.
Technical solutions of the utility model are described in detail below in conjunction with attached drawing.
Fig. 1 is a kind of functional block diagram of one embodiment of wearable device of the utility model embodiment, this is wearable
Equipment may include shell 101, be installed on the intracorporal processor 102 of shell and connect with the processor 102 and be installed on the shell
Optics sensing heart rate mould group 103 and Distance-sensing mould group 104 in 101 user oriented wearing site one side of body.
Optics sensing heart rate mould group 103 detects the reflected intensity of optical signal for emitting optical signal；Reflected intensity is sent out
It send to processor 102.
In the utility model embodiment, it is based on PPG (Photoplethysmography, photoplethaysmography) pulse wave method
To detect heart rate, therefore the detection by the setting realization of optics sensing heart rate mould group 103 to user's heart rate.But this heart rate detection
Method is highly prone to the influence of use environment, especially wearing mode, for example, wearing tightness, with user's wearing site
Laminating degree directly affects the propagation and measurement of optical signal.And when user wears the heart rate detection equipment and moves, due to
Movement causes influence of the change in location to measurement result between optics sensing heart rate mould group and user's wearing site especially pronounced.
Wherein, optics sensing heart rate mould group 103 may include multiple groups LED (Light Emitting Diode, light-emitting diodes
Pipe) lamp is used to emit optical signal, and one or more photodetectors are used to detect the optical signal of user's wearing site reflection
Luminous intensity.When the optics sensing heart rate mould group is bonded with user's wearing site, multiple optical signals of multiple groups LED light transmitting hang down
Straight incidence user's wearing site, and reflected light signal is generated by the reflection of user's wearing site, by one or more photodetections
Device detection obtains the luminous intensity of multiple reflected light signal.Reflection due to the skin of human body, bone, muscle, fat etc. to light
Value is a fixed value, and capillary and arterial-venous blood vessel are one to the reflected value of optical signal with the variation of pulse volume
Directly change, and its changing rule is consistent with heart rate, therefore by optics sensing heart rate mould group to the reflected intensity of optical signal
Variation is detected, and be can be detected and is obtained user's heart rate.
Distance-sensing mould group 104 is for will test between the optics sensing heart rate mould group 103 of acquisition and user's wearing site
Positional relationship be sent to processor 102.
Processor 102 is used to detect the optics sensing heart rate mould group 103 and user's wearing portion according to Distance-sensing mould group 104
Positional relationship between position, obtains station-keeping data of the optics sensing heart rate mould group 103 relative to user's wearing site；According to
The station-keeping data adjusts the signal transmission power of optics sensing heart rate mould group 103, and passes through optics sensing heart rate mould group
The heart rate of 103 detection users.
Since optics sensing heart rate mould group 103 is the changing rule by detecting the reflected intensity of optical signal, obtains user
Heart rate.Therefore, when the positional relationship of the optics sensing heart rate mould group 103 and user's wearing site changes, the optics heart
The optical path for the optical signal that rate sensing mould group 103 emits just is not incident perpendicularly to user's wearing site but produces incident folder
Angle causes photodetector to detect that the reflected intensity of optical signal will become smaller, to affect the precision of heart rate detection.Therefore
By the positional relationship between the detection optics sensing heart rate mould group 103 of Distance-sensing mould group 104 and user's wearing site, and by
It manages device 102 and calculates the relative position obtained between optics sensing heart rate mould group 103 and user's wearing site according to the positional relationship
Data, according to the position data dynamic regulation optics sensing heart rate mould group 103 emit optical signal signal strength, with compensation due to
Optical path change leads to the decaying of the reflected intensity of optical signal.
Wherein, Distance-sensing mould group 104 can detect optics heart rate by real-time detection or in preset interval time and pass
Feel the positional relationship between mould group 103 and user's wearing site, so that processor 102 can be based on the positional relationship in time, calculates
Obtain the station-keeping data that optics sensing heart rate mould group 103 is worn relative to user.
In the utility model embodiment, worn by Distance-sensing mould group real-time detection optics sensing heart rate mould group and user
Positional relationship between position, and calculated by processor according to the positional relationship and obtain station-keeping data with the dynamic regulation light
Learn the luminous intensity of sensing heart rate mould group transmitting signal light.To ensure that the detection of optics sensing heart rate mould group obtains user's heart rate
Accuracy substantially increases the detection accuracy of heart rate.
In order to more accurately detect the positional relationship between optics sensing heart rate mould group 103 and user's wearing site, away from
It may include multiple capacitance sensors from sensing mould group 104.And optics sensing heart rate mould group 103 be mounted on shell 101 towards with
The center of family wearing site one side, multiple capacitance sensors are centered on optics heart rate sensor mould group 103, ring at equal intervals
It is wound on optics heart rate sensor mould group periphery.
Processor 101 can be also used for: being based on the detected capacitance parameter of multiple capacitance sensors, calculates by multiple
Capacitance sensor detects the user distance between shell and user's wearing site respectively；Based on multiple user distances, calculates and obtain
The station-keeping data of optics sensing heart rate mould group 103 and user's wearing site.
Multiple capacitance sensors can be used for detecting the electricity in 101 different direction of shell relative to user's wearing site
Hold parameter, and calculated based on detected multiple capacitance parameters obtain user between shells 101 and user's wearing site away from
From.
It should be noted that processor 102 is based on each capacitance parameter, calculates and obtain each capacitance sensor to user's pendant
The user distance for wearing position may include: to be calculated and obtained respectively according to following user distance calculation formula based on each capacitance parameter
User distance of a capacitance sensor to user's wearing site.
User distance calculation formula can indicate are as follows: H=ε * SC；
Wherein, H indicate any one capacitance sensor to user's wearing site user distance, C indicate any one capacitor pass
The detected capacitance parameter of sensor, ε indicate dielectric constant of air, and S indicates the surface area of any one capacitance sensor.
Since each capacitance sensor is set to 101 surface of shell, and multiple capacitance sensors are with optics heart rate sensor
Centered on mould group 103, it is looped around optics heart rate sensor mould group periphery at equal intervals.Therefore it is arrived based on above-mentioned each capacitance sensor
The user distance of user's wearing site, the shell 101 for calculating acquisition can be similar to relative to the positional relationship of user's wearing site
Positional relationship of the optics sensing heart rate mould group 103 relative to user's wearing site.
In the utility model embodiment, multiple capacitance sensings are arranged by the one side in shell user oriented wearing site
Device, calculated by the detected capacitance parameter of capacitance sensor the user that obtains user's wearing site to each capacitance sensing away from
From further calculating and be located at so as to know positional relationship of the shell relative to user's wearing site from multiple orientation
Station-keeping data of the optics sensing heart rate mould group of casing center position relative to user's wearing site.
During user movement, in order to accurately reflect the opposite position of wearable device Yu user's wearing site
The variation set can usually embody the variation of relative position according to distance and two, inclination angle parameter.Therefore, optics sensing heart rate
Mould group 103 may include opposite offset distance and opposite deviation angle relative to the station-keeping data of user's wearing site.It can
Selection of land is based on multiple user distances, calculates the station-keeping data for obtaining optics sensing heart rate mould group 103 and user's wearing site
May include:
Based on multiple user distances, calculate multiple capacitance sensors to user's wearing site average user distance.
Determine that average user distance is the opposite offset distance of optics sensing heart rate mould group and wearing site.
Based on multiple user distances, determine that user distance difference is maximum and about optics sensing heart rate mould group centrosymmetric the
Three capacitance sensors and the 4th capacitance sensor.
Based on the detected third user distance of third capacitance sensor, the 4th capacitance sensor the detected 4th
Third spacing distance between user distance and third capacitance sensor and the 4th capacitance sensor calculates and obtains optics heart rate biography
Feel the opposite deviation angle of mould group 103 and user's wearing site.
It should be noted that being based on multiple user distances, multiple capacitance sensors being averaged to user's wearing site is calculated
User distance can be calculated according to following formula and be obtained:
Determine opposite offset distance are as follows: h=Have。
Since multiple capacitance sensors are to be centered around optics sensing heart rate at equal intervals centered on optics sensing heart rate mould group
Mould group periphery, thus in multiple capacitance sensors every two capacitance sensor about optics sensing heart rate mould group central symmetry, when
The wearable device causes shell not to be bonded with user's wearing site due to shifting during user movement, at this time the shell
There are angles between cognition and user's wearing site, by comparing every two about the centrosymmetric use of optics sensing heart rate mould group
Family range difference can determine the line of the maximum two capacitance sensor positions of user distance difference, positioned at the shell with
Orientation where user's wearing site angle.
Reality is in the wearable device engineering production phase, and measurement obtains every two about in optics sensing heart rate mould group in advance
Spacing distance between the symmetrical capacitance sensor of the heart, and be stored in advance into processor 102.Determining user distance difference most
The spacing distance of two big capacitance sensors can calculate according to triangle angle calculation formula and obtain optics sensing heart rate mould
Group opposite deviation angle with user's wearing site.
Therefore, it is obtained based on the detected third user distance of third capacitance sensor, the detection of the 4th capacitance sensor
Fourth user distance and the third spacing distance between third capacitance sensor and the 4th capacitance sensor, can be according to following
Opposite deviation angle calculation formula calculates the opposite deviation angle for obtaining optics sensing heart rate mould group 103 and user's wearing site；
Opposite deviation angle calculation formula are as follows: α=arcsin [(Hd-Hg) Ddg]；
Wherein, Hd indicates third user distance, and Hg indicates fourth user distance, and Ddg indicates third spacing distance.
In the utility model embodiment, when being applicable not only to wearable device housing parts and fitting in user's wearing site,
Calculating to opposite offset data can be applicable to all be detached from the user (without fitting part) when the wearable device shell
The calculating of opposite offset data when wearing, thus it is more suitable for user movement amplitude larger when, to wearing wearable device
Optics sensing heart rate mould group emits the scene that optical signal power carries out dynamic adjustment.
After obtaining the station-keeping data of optics sensing heart rate mould group and user's wearing site, need according to optical signal
The attenuation data of the reflected intensity for obtaining the optical signal of corresponding relationship between reflected intensity and station-keeping data.To basis
The attenuation data of reflected intensity enhances the intensity value of optics sensing heart rate mould group transmitting optical signal, accordingly to compensate the optics heart
The reflected intensity of rate sensing mould group measuring signal light.
It should be noted that data depending on the relative position, adjust the signal transmission power of optics sensing heart rate mould group, and lead to
Cross optics sensing heart rate mould group detection user heart rate may include:
Rule, determining attenuation coefficient corresponding with opposite offset distance are adjusted according to default attenuation parameter.
Wherein, it presets attenuation parameter adjustment rule to be pre-stored in wearable device, presets attenuation parameter adjustment rule
In the corresponding relationship comprising opposite offset distance and attenuation coefficient.
Based on attenuation coefficient and opposite deviation angle, the attenuation multiple of reflected intensity is calculated.
The signal transmission power of optics sensing heart rate mould group is adjusted according to attenuation multiple, and passes through optics sensing heart rate mould group
Detect the heart rate of user.
The practical engineering production phase in wearable device in advance in standard test environment, for being set to surface of shell
The optics sensing heart rate mould group opposite deviation angle different from user's wearing site and opposite offset distance, measurement obtains pair
The attenuation data of optical signal is answered, and establishes the attenuation coefficient model of optical signal according to test result.By being by the decaying in advance
Exponential model is stored into processor 102, is calculating the phase for obtaining current optical sensing heart rate mould group relative to user's wearing site
After offset distance and opposite deviation angle, corresponding attenuation coefficient k (h) can be obtained according to the attenuation coefficient pattern query.
It should be noted that becoming when the intensity of the optical signal of optics sensing heart rate mould group transmitting is R relative position occurs
After change, the reflected intensity of the detected signal light of optics sensing heart rate mould group are as follows:
R (h, α)=k (h) * cos2(α)*R。
In practical applications, it can wrap based on attenuation coefficient and opposite deviation angle, the attenuation multiple for calculating reflected intensity
It includes:
Based on attenuation coefficient and opposite deviation angle, is calculated according to following attenuation multiple calculation formula and obtain reflected intensity
Attenuation multiple；
Attenuation multiple calculation formula are as follows: M=k (h) * cos2(α)；
Wherein, M indicates that attenuation multiple, h indicate that opposite offset distance, k (h) indicate the opposite corresponding decaying of offset distance h
Coefficient.
Therefore, it after optics sensing heart rate mould group detects the reflected intensity decrease for obtaining optical signal, can be obtained according to calculating
The attenuation multiple of the reflected intensity obtained, is adjusted to original 1M times for the signal transmission power of optics sensing heart rate mould group, to protect
Hold the stability that optics sensing heart rate mould group receives signal.
In the utility model embodiment, the attenuation coefficient for establishing optical signal and opposite deviation angle and phase are tested based on preparatory
To the attenuation coefficient model of offset distance, acquisition can be inquired by calculating the opposite deviation angle obtained and opposite offset distance
The corresponding attenuation coefficient of optical signal.The attenuation multiple for obtaining reflected intensity can be calculated according to attenuation coefficient, so that processor can root
The transmission power for dynamically adjusting optics sensing heart rate mould group in real time according to the attenuation multiple for calculating acquisition, ensure that optics heart rate passes
Feel the stability that mould group receives optical signal, interferes detected reflected intensity by factors such as extraneous and optical path changes, greatly
The precision of heart rate detection is improved greatly.
Fig. 2 is a kind of functional block diagram of another embodiment of wearable device of the utility model embodiment, this can wear
Wear equipment and remove include shell 101 in Fig. 1 embodiment, the processor 102 that is installed in shell 101 and with the processor 102
The optics sensing heart rate mould group 103 and Distance-sensing mould for connecting and being installed in the 101 user oriented wearing site one side of shell
It further include that the pressure for connecting and being set to processor 102 in 101 user oriented wearing site one side of shell passes except group 104
Feel mould group 105.
Pressure sensing mould group 105 includes multiple pressure sensors, and multiple pressure sensor is with heart rate sensor mould group 103
Centered on, it is arranged with multiple capacitance sensor intervals, is looped around 103 periphery of optics heart rate sensor mould group at equal intervals.
Pressure sensing mould group 105 is for detecting and sending the pressure parameter between shell 101 and user's wearing site to place
Manage device 102.
Processor 102 is based on multiple user distances, calculates and obtains optics sensing heart rate mould group 103 and user's wearing site
Station-keeping data may include:
Based on each pressure parameter, the big corresponding first pressure sensor of two pressure parameters of numerical value and the are determined
Two pressure sensors；Determine first capacitor sensor between first pressure sensor and second pressure sensor and with
First capacitor sensor is about centrosymmetric second capacitance sensor of optics sensing heart rate mould group 103；It is passed according to first capacitor
Sensor and the detected user distance of the second capacitance sensor, calculate obtain optics sensing heart rate mould group 103 relative to
The station-keeping data of family wearing site.
In 101 partial offset user's wearing site of wearable device shell, when part is still bonded with user's wearing site, lead to
The pressure parameter being arranged in multiple pressure sensor detection shell different directions is crossed, processor is quickly obtained based on detection
The pressure parameter obtained determines maximum two capacitance sensors of user distance difference.
The utility model embodiment, in order to further mitigate the workload of processor when there are more capacitance sensor,
By the way that centered on optics sensing heart rate mould group mould group, optics is arranged in capacitance sensor in multiple pressure sensors at equal intervals
Sensing heart rate mould group mould group periphery.It is detected according to multiple pressure sensors and obtains two maximum pressure values, can directly determined
With the nearest first capacitor sensor of user's wearing site user distance, and with symmetrical second capacitor of first capacitor center sensor
Sensor is the farthest capacitance sensor of user distance.So as to directly determine the maximum first capacitor sensing of user distance difference
Device and the second capacitance sensor do not need again to calculate the user distance difference of the centrosymmetric capacitance sensor of every two one by one,
The treatment effeciency of processor can be greatly improved.
By Fig. 1 embodiment it is found that optics sensing heart rate mould group 103 can relative to the station-keeping data of user's wearing site
To include opposite offset distance and opposite deviation angle.Therefore, it is examined according to first capacitor sensor and the second capacitance sensor
Survey the user distance obtained, calculate obtain optics sensing heart rate mould group can be with relative to the station-keeping data of user's wearing site
Include:
It is detected according to first capacitor sensor and obtains the first user distance, the detection of the second capacitance sensor obtains second user
The first spacing distance and first pressure sensor or the second pressure between distance, first capacitor sensor and the second capacitance sensor
Force snesor and the second spacing distance of optics sensing heart rate mould group, which calculate, obtains optics sensing heart rate mould group and user's wearing portion
The opposite offset distance of position.
Based on the first user distance, second user distance and the first spacing distance, calculates and obtain optics sensing heart rate mould group
The opposite deviation angle with user's wearing site.
Wherein, it is measured in advance in the wearable device engineering production phase and is stored with each pressure sensor and the optics heart
Rate senses the spacing distance between mould group 103, and the interval distance between each pressure sensor and optics sensing heart rate mould group 103
From referring to the spacing distance for arriving symmetry axis respectively about axisymmetric two capacitance sensings of optics sensing heart rate mould group 103.
The first user distance, the inspection of the second capacitance sensor are obtained it should be noted that detecting according to first capacitor sensor
Survey the first spacing distance and first pressure obtained between second user distance, first capacitor sensor and the second capacitance sensor
Sensor or second pressure sensor and the second spacing distance of optics sensing heart rate mould group, which calculate, obtains optics sensing heart rate mould
Opposite offset distance may include: group 101 with user's wearing site
Based on the first user distance, second user distance, the first spacing distance and the second spacing distance, according to following opposite
Offset distance calculation formula calculates the opposite offset distance for obtaining optics sensing heart rate mould group 103 and user's wearing site:
Opposite offset distance calculation formula are as follows: h=(Ha-He) * DcdDae；
Wherein, h indicates that opposite offset distance, Ha indicate the first user distance, and He indicates second user distance, and Dae is indicated
First spacing distance, Dcd indicate the second spacing distance.
It is segmented into scaling principle based on parallel lines, the first user distance, second user distance and opposite offset distance, are vertical
Directly in the parallel lines of user's wearing site, and the first spacing distance is parallel to the second spacing distance, therefore is segmented according to parallel lines
Between the ratio and first capacitor sensor and the second capacitance sensing of proportional principle, the first spacing distance and the second spacing distance
User distance difference it is equal with the opposite ratio of offset distance, so that opposite offset distance be calculated.
Based on the first user distance, second user distance and the first spacing distance, calculates and obtain optics sensing heart rate mould group
Opposite deviation angle may include: with user's wearing site
Based on the first user distance, second user distance and the first spacing distance, calculated according to following opposite deviation angle
Formula calculates the opposite deviation angle for obtaining optics sensing heart rate mould group 103 and user's wearing site；
Opposite deviation angle calculation formula are as follows: α=arcsin [(Ha-He) Dae].
This is identical as the calculation method in Fig. 1 embodiment here, repeating no more with respect to the calculation method example of deviation angle.
In the utility model embodiment, by be arranged multiple detected pressure parameters of pressure sensor determine user away from
The maximum first capacitor sensor of deviation and the second capacitance sensor, and based on parallel lines be segmented into scaling principle obtain it is opposite
Offset distance is more accurate compared with the numerical value by calculating the opposite offset distance that average user distance obtains, and avoids and averages
Caused by calculate error, the computational accuracy of opposite offset distance and opposite deviation angle is improved, so that the reflection being calculated
The attenuation multiple of intensity is more accurate, to further improve the precision of optics sensing heart rate mould group heart rate measurement.
In a practical application, optics sensing heart rate mould group 103 may include a photodetection and two groups of LED light,
Two groups of LED light are connect with processor 102 respectively, to realize the dynamic to 103 transmission power of optics sensing heart rate module signal
It adjusts.Wherein, photodetector is located at the center of the optics sensing heart rate mould group 103, and two groups of LED light are symmetrically disposed on the photoelectricity
At left and right sides of detector, so that the photodetector can detecte the reflected intensity for obtaining optical signal.
In a practical application, which can also include the fixing belt connecting with shell 101；The fixing belt
For fixing the wearable device in user's wearing site.
Usual wearable device shell both ends are for being connected and fixed band, and during user movement, it is inclined that position occurs for shell
The shell for moving usually fixing belt one side tilts, another side fitting and user's wearing site.In order to accurately detect 101 phase of shell
To the positional relationship of user's wearing site, Distance-sensing mould group 104 may include four capacitance sensors；Four capacitance sensings
Device is looped around 103 periphery of optics heart rate sensor mould group centered on optics heart rate sensor mould group 103 at equal intervals；Its
In, two capacitance sensors are respectively arranged at the shell both ends for being connected and fixed band.
The pressure sensing mould group 105 can also include four pressure sensors；Four pressure sensors with it is described
Four capacitance sensors are arranged at equal intervals, are looped around the periphery of the optics heart rate sensor mould group 103 at equal intervals.
The wearable device can be Intelligent bracelet or smartwatch.As Fig. 3 be any smartwatch rear view its
Middle optics sensing heart rate mould group 103 be located at 101 central optical sensing heart rate mould group 103 of shell include a photodetector 31 and
Two groups of LED light 32 and 33.Distance-sensing mould group 104 and pressure sensing mould group 105 centered on optics sensing heart rate mould group 103,
Interval is arranged and is looped around 103 periphery of optics heart rate sensor mould group at equal intervals.Wherein, Distance-sensing mould group 104 includes 4 electricity
Hold sensor (octagon expression capacitance sensor as shown in Figure 3), pressure sensing mould group includes 4 pressure sensor (such as Fig. 3
Shown in diamond shape indicate pressure sensor), processor 102 is located in shell 101 and the Distance-sensing mould group 104 and pressure respectively
Mould group 105 is sensed with the connection of optics sensing heart rate mould group 103, is not shown in Figure 3.
The fitting of the Wristwatch case back side is passed through optics sensing heart rate mould with user's wearing site by watchband by the smartwatch
Group 103 carries out heart rate detection.When smartwatch shell 101 relative to user's wearing site produces position to user during the motion
Offset and inclination angle are set, side when relative position variation of the smartwatch shell 101 relative to wearing site is illustrated in figure 4
Status diagram.Pressure sensor 35 is bonded with user's wearing site at this time, at this time pressure sensor 35 and pressure sensor 36
Detection obtains pressure parameter value maximum, may thereby determine that the capacitance sensing between pressure sensor 35 and pressure sensor
Device 34 is first capacitor sensor, with capacitance sensor 34 about the centrosymmetric capacitance sensing of optics sensing heart rate mould group 103
Device 37 is the second capacitance sensor.Spacing distance of the Dae between capacitance sensor 34 and capacitance sensor 37 i.e. first is spaced
Distance；Dcd is optics sensing heart rate mould group 103 away from the spacing distance between pressure sensor 35 or pressure sensor 36 i.e. second
Spacing distance；Ha is the first user distance, and He is second user distance；It therefore is exactly that formula by above-mentioned opposite offset distance
The opposite offset distance h of acquisition can be calculated, the opposite deviation angle of acquisition can be calculated according to above-mentioned opposite deviation angle calculation formula
Spend α.
Further, according to the opposite offset distance h obtained and opposite deviation angle α is calculated, inquiry acquisition is corresponding to decline
Subtract coefficient, and calculate the attenuation multiple for obtaining optical signal reflected intensity, so that processor is adjusted in real time according to the attenuation multiple
The signal transmission power for saving optics sensing heart rate mould group, substantially increases the precision of the equipment heart rate detection.
Fig. 5 is a kind of flow chart of one embodiment of heart rate detection method of the utility model embodiment, and being applied to can
Wearable device, wearable device includes shell, is installed on the intracorporal processor of shell, and connect with processor and be installed on shell
Optics sensing heart rate mould group and Distance-sensing mould group in user oriented wearing site one side.
This method may include:
S501: the position between optics sensing heart rate mould group and user's wearing site is detected by Distance-sensing mould group and is closed
System, obtains station-keeping data of the optics sensing heart rate mould group relative to user's wearing site.
S502: data depending on the relative position adjust the signal transmission power of optics sensing heart rate mould group.
S503: the heart rate of user is detected by optics sensing heart rate mould group.
Details are not described herein for the aforementioned feasible program for being described in detail the utility model embodiment.
In the utility model embodiment, worn by Distance-sensing mould group real-time detection optics sensing heart rate mould group and user
Positional relationship between position, and calculated by processor according to the positional relationship and obtain station-keeping data with the dynamic regulation light
Learn the luminous intensity of sensing heart rate mould group transmitting signal light.To ensure that the detection of optics sensing heart rate mould group obtains user's heart rate
Accuracy substantially increases the detection accuracy of heart rate.
In order to more accurately detect the positional relationship between optics sensing heart rate mould group and user's wearing site, distance is passed
Feeling mould group may include multiple capacitance sensors.And optics sensing heart rate mould group is mounted on shell user oriented wearing site one side
Center, multiple capacitance sensors are looped around optics sensing heart rate centered on optics heart rate sensor mould group at equal intervals
Device mould group periphery.
The positional relationship between optics sensing heart rate mould group and user's wearing site is detected by Distance-sensing mould group, is obtained
Optics sensing heart rate mould group may include: relative to the station-keeping data of user's wearing site
Based on the detected capacitance parameter of multiple capacitance sensors, calculates and detect shell respectively by multiple capacitance sensors
User distance between body and user's wearing site；Based on multiple user distances, calculates and obtain optics sensing heart rate mould group and use
The station-keeping data of family wearing site.
It should be noted that processor is based on each capacitance parameter, calculates and obtain each capacitance sensor to user's wearing
The user distance at position may include: that it is each to calculate acquisition according to following user distance calculation formula based on each capacitance parameter
User distance of the capacitance sensor to user's wearing site.
User distance calculation formula can indicate are as follows: H=ε * SC；
Wherein, H indicate any one capacitance sensor to user's wearing site user distance, C indicate any one capacitor pass
The detected capacitance parameter of sensor, ε indicate dielectric constant of air, and S indicates the surface area of any one capacitance sensor.
In the utility model embodiment, multiple capacitance sensings are arranged by the one side in shell user oriented wearing site
Device, calculated by the detected capacitance parameter of capacitance sensor the user that obtains user's wearing site to each capacitance sensing away from
From further calculating and be located at so as to know positional relationship of the shell relative to user's wearing site from multiple orientation
Station-keeping data of the optics sensing heart rate mould group of casing center position relative to user's wearing site.
During user movement, in order to accurately reflect the opposite position of wearable device Yu user's wearing site
The variation set, usually can distance and two, inclination angle parameter embody the variation of relative position.Therefore, optics sensing heart rate mould group
Station-keeping data relative to user's wearing site may include opposite offset distance and opposite deviation angle.Optionally, base
In multiple user distances, calculates acquisition optics sensing heart rate mould group and the station-keeping data of user's wearing site may include:
Based on multiple user distances, calculate multiple capacitance sensors to user's wearing site average user distance.
Determine that average user distance is the opposite offset distance of optics sensing heart rate mould group and wearing site.
Based on multiple user distances, determine that user distance difference is maximum and about optics sensing heart rate mould group centrosymmetric the
Three capacitance sensors and the 4th capacitance sensor.
Based on the detected third user distance of third capacitance sensor, the 4th capacitance sensor the detected 4th
Third spacing distance between user distance and third capacitance sensor and the 4th capacitance sensor calculates and obtains optics heart rate biography
Feel the opposite deviation angle of mould group and user's wearing site.
It should be noted that being based on multiple user distances, multiple capacitance sensors being averaged to user's wearing site is calculated
User distance can be calculated according to following formula and be obtained:
Determine opposite offset distance are as follows: h=Have。
Based on the detected third user distance of third capacitance sensor, the 4th capacitance sensor the detected 4th
Third spacing distance between user distance and third capacitance sensor and the 4th capacitance sensor, can be according to following relatively inclined
It moves angle calculation formula and calculates the opposite deviation angle for obtaining optics sensing heart rate mould group and user's wearing site；
Opposite deviation angle calculation formula are as follows: α=arcsin [(Hd-Hg) Ddg]；
Wherein, Hd indicates third user distance, and Hg indicates fourth user distance, and Ddg indicates third spacing distance.
In the utility model embodiment, when being applicable not only to wearable device housing parts and fitting in user's wearing site,
Calculating to opposite offset data can be applicable to all be detached from the user (without fitting part) when the wearable device shell
The calculating of opposite offset data when wearing, thus it is more suitable for user movement amplitude larger when, to wearing wearable device
Optics sensing heart rate mould group emits the scene that optical signal power carries out dynamic adjustment.
It should be noted that data depending on the relative position, adjust the signal transmission power of optics sensing heart rate mould group, and lead to
Cross optics sensing heart rate mould group detection user heart rate may include:
Rule, determining attenuation coefficient corresponding with opposite offset distance are adjusted according to default attenuation parameter.
Wherein, it presets attenuation parameter adjustment rule to be pre-stored in wearable device, presets attenuation parameter adjustment rule
In the corresponding relationship comprising opposite offset distance and attenuation coefficient.
Based on attenuation coefficient and opposite deviation angle, the attenuation multiple of reflected intensity is calculated.
The signal transmission power of optics sensing heart rate mould group is adjusted according to attenuation multiple, and passes through optics sensing heart rate mould group
Detect the heart rate of user.
In practical applications, it can wrap based on attenuation coefficient and opposite deviation angle, the attenuation multiple for calculating reflected intensity
It includes:
Based on attenuation coefficient and opposite deviation angle, is calculated according to following attenuation multiple calculation formula and obtain reflected intensity
Attenuation multiple；
Attenuation multiple calculation formula are as follows: M=k (h) * cos2(α)；
Wherein, M indicates that attenuation multiple, h indicate that opposite offset distance, k (h) indicate the opposite corresponding decaying of offset distance h
Coefficient.
Therefore, it after optics sensing heart rate mould group detects the reflected intensity decrease for obtaining optical signal, can be obtained according to calculating
The attenuation multiple of the reflected intensity obtained, is adjusted to original 1M times for the signal transmission power of optics sensing heart rate mould group, to protect
Hold the stability that optics sensing heart rate mould group receives signal.
In the utility model embodiment, the attenuation coefficient for establishing optical signal and opposite deviation angle and phase are tested based on preparatory
To the attenuation coefficient model of offset distance, acquisition can be inquired by calculating the opposite deviation angle obtained and opposite offset distance
The corresponding attenuation coefficient of optical signal.The attenuation multiple for obtaining reflected intensity can be calculated according to attenuation coefficient, so that processor can root
The transmission power for dynamically adjusting optics sensing heart rate mould group in real time according to the attenuation multiple for calculating acquisition, ensure that optics heart rate passes
Feel the stability that mould group receives optical signal, interferes detected reflected intensity by factors such as extraneous and optical path changes, greatly
The precision of heart rate detection is improved greatly.
Fig. 6 is a kind of flow chart of another embodiment of heart rate detection method of the utility model embodiment, this method
Applied to wearable device.
Wearable device remove include Fig. 5 embodiment in shell, be installed on the intracorporal processor of shell, and and processor
It connects and outside the optics sensing heart rate mould group and Distance-sensing mould group that are installed in shell user oriented wearing site one side, also wraps
Include the pressure sensing mould group for connecting and being set to processor in shell user oriented wearing site one side.
Pressure sensing mould group includes multiple pressure sensors；Multiple pressure sensors centered on heart rate sensor mould group,
It is arranged with multiple capacitance sensor intervals, is looped around optics heart rate sensor mould group periphery at equal intervals.
This method may include:
S601: being based on the detected capacitance parameter of multiple capacitance sensors, and calculating is distinguished by multiple capacitance sensors
Detect the user distance between shell and user's wearing site.
S602: the pressure parameter between shell and user's wearing site is detected by pressure sensing mould group.
S603: being based on each pressure parameter, determines the corresponding first pressure sensing of two big pressure parameters of numerical value
Device and second pressure sensor.
S604: determine that the capacitance sensor between first pressure sensor and second pressure sensor is first capacitor
Sensor, and with first capacitor sensor about centrosymmetric second capacitance sensor of optics sensing heart rate mould group.
S605: it according to first capacitor sensor and the detected user distance of the second capacitance sensor, calculates and obtains
Station-keeping data of the optics sensing heart rate mould group relative to user's wearing site.
S606: data depending on the relative position adjust the signal transmission power of optics sensing heart rate mould group.
S607: the heart rate of user is detected by optics sensing heart rate mould group.
Wherein, it according to first capacitor sensor and the detected user distance of the second capacitance sensor, calculates and obtains
Optics sensing heart rate mould group may include: relative to the station-keeping data of user's wearing site
It is detected according to first capacitor sensor and obtains the first user distance, the detection of the second capacitance sensor obtains second user
The first spacing distance and first pressure sensor or the second pressure between distance, first capacitor sensor and the second capacitance sensor
Force snesor and the second spacing distance of optics sensing heart rate mould group, which calculate, obtains optics sensing heart rate mould group and user's wearing portion
The opposite offset distance of position.
Based on the first user distance, second user distance and the first spacing distance, calculates and obtain optics sensing heart rate mould group
The opposite deviation angle with user's wearing site.
The first user distance, the inspection of the second capacitance sensor are obtained it should be noted that detecting according to first capacitor sensor
Survey the first spacing distance and first pressure obtained between second user distance, first capacitor sensor and the second capacitance sensor
Sensor or second pressure sensor and the second spacing distance of optics sensing heart rate mould group, which calculate, obtains optics sensing heart rate mould
Opposite offset distance may include: group with user's wearing site
Based on the first user distance, second user distance, the first spacing distance and the second spacing distance, according to following opposite
Offset distance calculation formula calculates the opposite offset distance for obtaining optics sensing heart rate mould group and user's wearing site:
Opposite offset distance calculation formula are as follows: h=(Ha-He) * DcdDae；
Wherein, h indicates that opposite offset distance, Ha indicate the first user distance, and He indicates second user distance, and Dae is indicated
First spacing distance, Dcd indicate the second spacing distance.
Based on the first user distance, second user distance and the first spacing distance, calculates and obtain optics sensing heart rate mould group
Opposite deviation angle may include: with user's wearing site
Based on the first user distance, second user distance and the first spacing distance, calculated according to following opposite deviation angle
Formula calculates the opposite deviation angle for obtaining optics sensing heart rate mould group and user's wearing site；
Opposite deviation angle calculation formula are as follows: α=arcsin [(Ha-He) Dae].
Details are not described herein for the aforementioned feasible program for being described in detail the utility model embodiment.
In the utility model embodiment, by be arranged multiple detected pressure parameters of pressure sensor determine user away from
The maximum first capacitor sensor of deviation and the second capacitance sensor, and based on parallel lines be segmented into scaling principle obtain it is opposite
Offset distance is more accurate compared with the numerical value by calculating the opposite offset distance that average user distance obtains, and avoids and averages
Caused by calculate error, the computational accuracy of opposite offset distance and opposite deviation angle is improved, so that the reflection being calculated
The attenuation multiple of intensity is more accurate, thus the further precision of optics sensing heart rate mould group heart rate measurement.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include non-temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification
Subsequent descriptions are preferred embodiment of the present invention, and so the description is the rule to illustrate the utility model
For the purpose of, it is not intended to limit the scope of the utility model.The protection scope of the utility model is when view appended claims institute circle
Subject to the person of determining.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements
Several preferred embodiments of the present invention have shown and described in above description, but as previously described, it should be understood that this
Utility model is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various
Other combinations, modification and environment, and above-mentioned introduction or the skill of related fields can be passed through in application contemplated scope described herein
Art or knowledge are modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model,
It then all should be in the protection scope of the appended claims for the utility model.
Claims (8)
1. a kind of wearable device, which is characterized in that including shell, be installed on the intracorporal processor of the shell, and with it is described
The optics sensing heart rate mould group and Distance-sensing that processor is connected and is installed in the shell user oriented wearing site one side
Mould group；
The optics sensing heart rate mould group emits optical signal, and detects the reflected intensity of the optical signal；By the reflected intensity
It is sent to the processor；
The Distance-sensing mould group will test between the optics sensing heart rate mould group of acquisition and user's wearing site
Positional relationship is sent to the processor；
The processor handles the positional relationship between the optics sensing heart rate mould group and user's wearing site, adjusts
The signal transmission power of the optics sensing heart rate mould group, and control the heart rate of the optics sensing heart rate mould group detection user.
2. wearable device according to claim 1, which is characterized in that the Distance-sensing mould group includes that multiple capacitors pass
Sensor；The optics sensing heart rate mould group is mounted on the center of the shell user oriented wearing site one side, described more
A capacitance sensor is looped around the optics heart rate sensor mould group centered on the optics heart rate sensor mould group at equal intervals
Periphery；
The capacitance sensor detects and sends the shell relative to the capacitance parameter between user's wearing site to the place
Manage device；
The processor handles each capacitance parameter.
3. wearable device according to claim 2, which is characterized in that the equipment further includes being connected to the processor
And it is set to the pressure sensing mould group in the shell user oriented wearing site one side；
The pressure sensing mould group includes multiple pressure sensors；The multiple pressure sensor is with the optics heart rate sensor
Centered on mould group, it is arranged with the multiple capacitance sensor interval, is looped around outside the optics heart rate sensor mould group at equal intervals
It encloses；
The pressure sensing mould group detects and sends the pressure parameter between the shell and user's wearing site to the processing
Device；
The processor handles the pressure parameter and the capacitance parameter.
4. wearable device according to claim 1, which is characterized in that the optics sensing heart rate mould group includes multiple groups hair
Optical diode LED light is for emitting optical signal, and one or more photodetectors for detecting the reflection of user's wearing site
Optical signal luminous intensity.
5. wearable device according to claim 4, which is characterized in that the optics sensing heart rate mould group includes a light
Electric explorer and two groups of LED light；
The photodetector is located at the center of the optics sensing heart rate mould group, and two groups of LED light are symmetrically disposed on described
At left and right sides of photodetector, so that photodetector detection obtains the light intensity of the optical signal of user's wearing site reflection
Degree.
6. wearable device according to claim 1, which is characterized in that further include the fixing belt being connect with the shell；
The fixing belt is for fixing the wearable device in user's wearing site.
7. wearable device according to claim 6, which is characterized in that the shell both ends connect the fixing belt；Institute
Stating Distance-sensing mould group includes four capacitance sensors；Four capacitance sensors are with the optics heart rate sensor mould group
Center is looped around the optics heart rate sensor mould group periphery at equal intervals；Wherein, two capacitance sensors are respectively arranged at connection
The both ends of the shell of the fixing belt.
8. wearable device according to claim 7, which is characterized in that further include pressure sensor mould group；The pressure
Sensing mould group includes four pressure sensors；Four pressure sensors are arranged at equal intervals with four capacitance sensors,
It is looped around the optics heart rate sensor mould group periphery at equal intervals.
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| CN201721584260.3U CN209003983U (en) | 2017-11-23 | 2017-11-23 | Wearable device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721584260.3U CN209003983U (en) | 2017-11-23 | 2017-11-23 | Wearable device |
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| CN209003983U true CN209003983U (en) | 2019-06-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575153A (en) * | 2019-09-27 | 2019-12-17 | 歌尔股份有限公司 | Heart rate detection method and intelligent wearable device |
| CN110730630A (en) * | 2019-09-10 | 2020-01-24 | 深圳市汇顶科技股份有限公司 | Heart rate detection method and device, chip, electronic device and storage medium |
| CN110784793A (en) * | 2019-10-29 | 2020-02-11 | 歌尔股份有限公司 | Wear detector and wearing formula electronic equipment |
| CN112690762A (en) * | 2019-10-04 | 2021-04-23 | 财团法人工业技术研究院 | Wrist strap type biological sensing system, device and biological sensing method |
| CN113080919A (en) * | 2021-03-31 | 2021-07-09 | 歌尔股份有限公司 | Heart rate detection method, device, equipment and computer readable storage medium |
-
2017
- 2017-11-23 CN CN201721584260.3U patent/CN209003983U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730630A (en) * | 2019-09-10 | 2020-01-24 | 深圳市汇顶科技股份有限公司 | Heart rate detection method and device, chip, electronic device and storage medium |
| CN110575153A (en) * | 2019-09-27 | 2019-12-17 | 歌尔股份有限公司 | Heart rate detection method and intelligent wearable device |
| CN110575153B (en) * | 2019-09-27 | 2022-06-10 | 歌尔股份有限公司 | Heart rate detection method and intelligent wearable device |
| CN112690762A (en) * | 2019-10-04 | 2021-04-23 | 财团法人工业技术研究院 | Wrist strap type biological sensing system, device and biological sensing method |
| US11690571B2 (en) | 2019-10-04 | 2023-07-04 | Industrial Technology Research Institute | Wristband biosensing system, wristband biosensing apparatus and biosensing method |
| CN112690762B (en) * | 2019-10-04 | 2023-07-25 | 财团法人工业技术研究院 | Wrist strap type biosensing system, device and biosensing method |
| CN110784793A (en) * | 2019-10-29 | 2020-02-11 | 歌尔股份有限公司 | Wear detector and wearing formula electronic equipment |
| CN113080919A (en) * | 2021-03-31 | 2021-07-09 | 歌尔股份有限公司 | Heart rate detection method, device, equipment and computer readable storage medium |
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