CN109924966A - It is a kind of for moving when measure heart rate Intelligent bracelet device - Google Patents
It is a kind of for moving when measure heart rate Intelligent bracelet device Download PDFInfo
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- CN109924966A CN109924966A CN201711373177.6A CN201711373177A CN109924966A CN 109924966 A CN109924966 A CN 109924966A CN 201711373177 A CN201711373177 A CN 201711373177A CN 109924966 A CN109924966 A CN 109924966A
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- heart rate
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Abstract
It is a kind of for moving when measure the Intelligent bracelet device of heart rate, including ring skeleton, heart rate measurement system and pulse transducer；Heart rate measurement system includes bluetooth processing transmission module, power module and display module；Bluetooth processing transmission module and power module are mounted on the top of ring skeleton, and display module is mounted on the boss at the top of ring skeleton；Pulse transducer is mounted on the inside of the ring of bracelet skeleton lower part；Pulse transducer includes: rubbery outer cover, pedestal, filled media, circuit board and sensor chip, circuit board is fixed on the base surface middle part, sensor chip is mounted on circuit board top central location, rubbery outer cover covers circuit board and sensor chip is mounted on the base, it is placed in sensor outermost layer full of rubbery outer cover described in filled media in gap between rubbery outer cover and pedestal, for contacting the site Cai Mai.Present invention measurement is accurate, easy to use, easy to operate, by external environment is not limited and is influenced.
Description
Technical field
The present invention relates to intelligent wearable device technical field more particularly to it is a kind of for moving when measure heart rate intelligent hand
Loop device.
Background technique
With the rise of intelligent wearable device, Intelligent bracelet has become very universal electronic product, at present intelligence hand
The function that ring has is also very diversified, wherein health of the heart rate measurement function due to that can reflect human body with monitor heart rate
Situation and by masses praise highly.Most of existing Intelligent bracelet carries out heart rate detection by photoelectric method, i.e., in Intelligent bracelet
Equipped with optoelectronic transceiver mould group, when Intelligent bracelet and skin contact, the light beam that optoelectronic transceiver mould group can issue specific wavelength is radiated at
On skin, since light of the blood to certain wavelength has strong absorption, such as: green light, it is anti-using the variation of absorbing amount
The circulation variation of blood in the artery is reflected, finally determines heart rate.However existing Intelligent bracelet is because when by light, movement
The influence of the reasons such as pressure change causes heart rate measurement very inaccurate, can not be moved according to real-time heart rate and judge to transport
Momentum.
According to modern blood circulation theory, blood vessel is to carry out blood supply to each histoorgan by resonating, and is passed through
Actual measurement, discovery resonant frequency is related with heart rate, and when human body is in steady state, resonant frequency is 1 frequency multiplication of heart rate, 2
Frequency multiplication, 3 frequencys multiplication, 4 frequencys multiplication etc., frequency all can accordingly be accelerated when movement, although frequency multiplication relationship changes, can also show one
A little rules.The present invention is exactly the algorithm made according to this phenomenon, and it is real-time, accurate to accomplish, is entirely capable of replacing heart rate band etc.
Professional heart rate measurement tool.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide it is a kind of for moving when measure heart rate intelligence
Expert's loop device, it is intended to solve the problems, such as that existing Intelligent bracelet heart rate data measurement is inaccurate.The device can lead to during exercise
It crosses real-time acquisition pulse and the frequency in different sections is decomposited by frequency analysis, be then reassembled into the side of pulse wave again
Formula carrys out exclusive PCR, finally obtains heart rate information.
To achieve the goals above, technical solution of the invention is as follows:
It is a kind of for moving when measure the Intelligent bracelet device of heart rate, including ring skeleton, heart rate measurement system and pulse
Sensor, the heart rate measurement system include bluetooth processing transmission module, power module and display module；The heart rate measurement system
The bluetooth processing transmission module and power module of system are mounted on the top of ring skeleton, and display module is mounted at the top of ring skeleton
Boss on；The pulse transducer is mounted on the inside of the ring of bracelet skeleton lower part；
The pulse transducer is transferred at the bluetooth for acquiring the pulse information of sporter in real time by data line
Manage transmission module；The pulse transducer includes: rubbery outer cover, pedestal, filled media, circuit board and sensor chip, circuit
Plate is fixed on the base surface middle part, and sensor chip is mounted on circuit board top central location, and rubbery outer cover covers circuit board
It is mounted on the base with sensor chip, filled media is full of in the gap between rubbery outer cover and pedestal；The rubbery outer cover
It is placed in sensor outermost layer, for contacting the site Cai Mai；
The bluetooth processing transmission module receives the pulse information of the pulse transducer acquisition, detects pulse signal
Wave crest and trough handle pulse information to obtain heart rate signal through built-in algorithm of heart rate, to obtained data information into
Row record storage, and be transmitted to the display module and show, while by Bluetooth transmission to cell phone application；
The algorithm of heart rate is exactly by the human pulse of acquisition by filtering, amplifying laggard line frequency domain analysis；It is conspicuous in 0.8-3
Hereby the pulse of segment finds out the frequency of peak swing；The frequency of peak swing is found out in the pulse of 1.6-6 hertz of segments, such as
The frequency of the segment peak swing is identical as 0.8-3 hertz of segments, then finds out the frequency of the second largest amplitude in this section；?
The pulse of 2.7-9 hertz of segments finds out the frequency of peak swing, frequency and 1.6-6 hertz of areas such as the segment peak swing
Between section it is identical, then find out the frequency of the second largest amplitude in this section；These three frequencies are reassembled into pulse wave；From again
Starting point is found on combined pulse wave, to calculate heart rate；Because the heart rate of people few moment changes, Ke Yiyi
The secondary starting point according to a upper waveform, judges the starting point of next waveform, plays the role of real-time heart rate.
The display module is for showing the heart rate data obtained after processing；
The heart rate data can be one of three kinds of image format, digital form and graphic form forms；
The power module is used to provide electric power to the bracelet device, and the power module includes charging module and lithium electricity
Pond.
Further, the pulse transducer can horizontally slip in ring skeleton lower part along ring.
Further, the display module is liquid crystal display.
Further, the sensor chip is piezoresistive transducer.
Further, the rubbery outer cover material of the sensor is thermoplastic polyurethane elastomer rubber.
Further, the material of the filled media of the sensor is silicone oil.
Due to the adoption of the above technical scheme, it is provided by the invention it is a kind of for moving when measurement heart rate Intelligent bracelet dress
Set, have compared with prior art it is such the utility model has the advantages that
Measurement sensitivity of the present invention is high: because being passed through as filled media using the piezoresistive effect of silicon using liquid silicone oil
Semiconductor planar technique, the diffusion resistance on the certain position of certain crystal orientation silicon wafer, connects into Wheatstone bridge, silicon wafer is processed
At the diaphragm of periphery fixed, it has just been made into the chip of diffusion silicon pressure sensor, compared with the sensor of traditional stress variation,
Sensitivity greatly improves.
Strong interference immunity of the present invention: in movement, there are many various interference, and apparatus of the present invention use the Fourier transform to waveform
With the resonance characteristics of blood vessel, the frequency filter not within the scope of vascular vibration is fallen, again by three apparent group of frequencies of feature
It is combined into pulse wave, to accurately reflect very much heart rate；
The great real-time of the present invention: at present in addition to heart rate band, without wrist strap class product energy real-time measurement heart rate, the present apparatus is very
Good solves this problem.Present invention measurement is accurate, easy to use, easy to operate, by external environment is not limited and is influenced.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the present invention；
Fig. 2 is schematic structural diagram of the device of the invention；
Fig. 3 is pulse transducer structural schematic diagram；
Fig. 4 is algorithm of heart rate flow chart；
Fig. 5 is the untreated original time domain spectrogram of pulse transducer acquisition；
Fig. 6 is frequency-domain spectrum figure；
Fig. 7 is last treated composite diagram.
Specific embodiment
With reference to embodiments and attached drawing the present invention is described in detail, but protection of the invention should not be limited with this
Range.
It is of the invention it is a kind of for moving when measure the Intelligent bracelet device of heart rate, as shown in Figs. 1-2, which includes ring
Shape skeleton 1, heart rate measurement system and pulse transducer 5, the heart rate measurement system include bluetooth processing transmission module 2, power supply
Module 3 and display module 4；The bluetooth processing transmission module 2 and power module 3 of the heart rate measurement system are mounted on ring skeleton
1 top, display module 3 are mounted on the boss at 1 top of ring skeleton；The pulse transducer 5 is inlaid under bracelet skeleton 1
In the ring inboard groove in portion, it can horizontally slip along the groove on the inside of ring in ring skeleton lower part；
The pulse transducer 5 passes through the folding being embedded in ring skeleton 1 for acquiring the pulse information of sporter in real time
Data line is transferred to the bluetooth processing transmission module 2；As shown in figure 3, the pulse transducer 5 includes: rubbery outer cover 10, bottom
Seat 9, filled media 8, circuit board 7 and sensor chip 6；Circuit board 7 is fixed on 9 upper surface middle part of pedestal, and sensor chip 6 is adopted
With piezoresistive transducer, it is mounted on 7 upper central position of circuit board；Rubbery outer cover is thermoplastic polyurethane elastomer rubber, rubber
Glue shell 10 covers circuit board 7 and sensor chip 6 is mounted on pedestal 9, fills in the gap between rubbery outer cover 10 and pedestal 9
Full filled media 8 is silicone oil；The rubbery outer cover is placed in sensor outermost layer, for contacting the site Cai Mai；The filling is situated between
Matter silicone oil, for transmitting shock wave.
The bluetooth processing transmission module 2 receives the pulse information that the pulse transducer 5 acquires, and detects pulse signal
Wave crest and trough, pulse information is handled to obtain heart rate signal through built-in algorithm of heart rate, to obtained data information
Record storage is carried out, and is transmitted to the display module 3 and shows, while by Bluetooth transmission to cell phone application；
The bluetooth processing transmission module 2 uses CC2540, and CC2540 is the real system list of a super low consumpting power
Chip, it is incorporated comprising microcontroller, host side and application on the one element.CC2540 combines an excellent nothing
Line radio frequency transmits reinforced 8051 microcontroller of receiver and an industrial standard, it includes connection class when numerical digit inductor
Periphery, the flash memory of built-in programmable, the instruction of accurate radio frequency signal intensity, 2.0 interface full speed USB is built-in
AES-128 crypto engine.
CC2540 can allow strong master control or slave mode node to be set up with very low cost, it has very low sleep
Of short duration conversion time, the system for being applicable to super low consumpting power between mode power consumption and different working modes.
The pulse information that pulse transducer 5 acquires, waveform cover a large amount of information, wherein just containing heart rate letter
Breath.It is algorithm of heart rate flow chart shown in Fig. 4, the algorithm of heart rate is exactly that the human pulse of acquisition is laggard by filtering, amplifying
Line frequency domain analysis；It is the untreated original time domain spectrogram of pulse transducer acquisition shown in Fig. 5；It is frequency domain frequency shown in Fig. 6
Spectrogram；The frequency of peak swing is found out in the pulse of 0.8-3 hertz of segments；It is found out most in the pulse of 1.6-6 hertz of segments
The frequency of large amplitude, the frequency such as the segment peak swing is identical as 0.8-3 hertz of segments, then finds out this section second
The frequency of large amplitude；The frequency of peak swing is found out in the pulse of 2.7-9 hertz of segments, such as the frequency of the segment peak swing
Rate is identical as 1.6-6 hertz of segments, then finds out the frequency of the second largest amplitude in this section；These three frequencies are reassembled into
Pulse wave is last treated composite diagram shown in Fig. 7；Starting point is found from the pulse wave reconfigured, to count
Calculate heart rate；Because the heart rate of people few moment changes, can judge next successively according to the starting point of a upper waveform
The starting point of waveform plays the role of real-time heart rate.
The display module 3 is for showing the heart rate data obtained after processing；The heart rate data can be figure
As any one in three kinds of form, digital form and graphic form forms.The display module 3 is liquid crystal display.
The power module 4 is used to provide electric power to the bracelet device, and the power module 4 includes charging module and lithium
Battery, charging module charge to lithium battery using standard charging chip tp4056, and voltage reaches 4.2V；And to having substituted the bad for the good
The lithium battery of electricity is depressured, and 4.2V voltage is down to 3.3V and is powered.
Claims (6)
1. it is a kind of for moving when measure heart rate Intelligent bracelet device, it is characterised in that: including ring skeleton, heart rate measurement system
System and pulse transducer, the heart rate measurement system include bluetooth processing transmission module, power module and display module；The heart
The bluetooth processing transmission module and power module of rate measuring system are mounted on the top of ring skeleton, and display module is mounted on annular
On boss at the top of skeleton；The pulse transducer is mounted on the inside of the ring of bracelet skeleton lower part；
The pulse transducer is transferred to the bluetooth processing by data line and passes for acquiring the pulse information of sporter in real time
Defeated module；The pulse transducer includes: rubbery outer cover, pedestal, filled media, circuit board and sensor chip, and circuit board is solid
It is scheduled in the middle part of base upper surface, sensor chip is mounted on circuit board top central location, and rubbery outer cover covers circuit board and biography
Sensor chip is mounted on the base, and filled media is full of in the gap between rubbery outer cover and pedestal；The rubbery outer cover placement
In sensor outermost layer, for contacting the site Cai Mai；
The bluetooth processing transmission module receives the pulse information of the pulse transducer acquisition, detects the wave crest of pulse signal
And trough, pulse information is handled to obtain heart rate signal through built-in algorithm of heart rate, obtained data information is remembered
Address book stored, and be transmitted to the display module and show, while by Bluetooth transmission to cell phone application；
The algorithm of heart rate is exactly by the human pulse of acquisition by filtering, amplifying laggard line frequency domain analysis；In 0.8-3 hertz of areas
Between the pulse of section find out the frequency of peak swing；The frequency of peak swing is found out in the pulse of 1.6-6 hertz of segments, such as the area
Between section peak swing frequency it is identical as 0.8-3 hertz of segments, then find out the frequency of the second largest amplitude in this section；In 2.7-
The pulse of 9 hertz of segments finds out the frequency of peak swing, such as the frequency and 1.6-6 hertz of segments of the segment peak swing
It is identical, then find out the frequency of the second largest amplitude in this section；These three frequencies are reassembled into pulse wave；From reconfiguring
Pulse wave on find starting point, to calculate heart rate；It, can successively root because the heart rate of people few moment changes
According to the starting point of a upper waveform, the starting point of next waveform is judged, play the role of real-time heart rate.
The display module is for showing the heart rate data obtained after processing；
The heart rate data can be one of three kinds of image format, digital form and graphic form forms；
The power module is used to provide electric power to the bracelet device, and the power module includes charging module and lithium battery.
2. it is according to claim 1 it is a kind of for moving when measure heart rate Intelligent bracelet device, it is characterised in that: it is described
Pulse transducer can horizontally slip in bracelet skeleton lower part along ring.
3. it is according to claim 1 it is a kind of for moving when measure heart rate Intelligent bracelet device, it is characterised in that: it is described
Display module is liquid crystal display.
4. described according to claim 1-any one of 3 it is a kind of for moving when measure the Intelligent bracelet device of heart rate, it is special
Sign is: the sensor chip is piezoresistive transducer.
5. it is according to claim 4 it is a kind of for moving when measure heart rate Intelligent bracelet device, it is characterised in that: it is described
The rubbery outer cover material of sensor is thermoplastic polyurethane elastomer rubber.
6. it is according to claim 4 it is a kind of for moving when measure heart rate Intelligent bracelet device, it is characterised in that: it is described
The material of the filled media of sensor is silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373177.6A CN109924966A (en) | 2017-12-19 | 2017-12-19 | It is a kind of for moving when measure heart rate Intelligent bracelet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373177.6A CN109924966A (en) | 2017-12-19 | 2017-12-19 | It is a kind of for moving when measure heart rate Intelligent bracelet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109924966A true CN109924966A (en) | 2019-06-25 |
Family
ID=66983557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711373177.6A Pending CN109924966A (en) | 2017-12-19 | 2017-12-19 | It is a kind of for moving when measure heart rate Intelligent bracelet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109924966A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111920394A (en) * | 2020-06-23 | 2020-11-13 | 泰安市泰医医疗器械有限公司 | Air bag type pulse probe and manufacturing and using method thereof |
| CN112857633A (en) * | 2020-12-31 | 2021-05-28 | 心永(北京)科技有限公司 | Pressure sensor and device for measuring human body pulse wave |
| CN112998681A (en) * | 2021-02-23 | 2021-06-22 | 心永(北京)科技有限公司 | Pulse signal detection device |
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