Earplug, the physiological function measurement earphone using this earplug and method for measurement thereofArt
The present invention is about a kind of earplug, uses the physiological function of this earplug to measure earphone and method for measurement thereof, particularly relates to a kind of physiological function being used for capturing the earplug and this earplug of use that body of light in auditory meatus amasss variable signal and measures earphone and method for measurement thereof.
Background technology
Utilize heart rate variability degree (Heart Rate Variability HRV) that individual autonomic nerve (Autonomic Nervous System can be discovered, ANS) change in time, such as various viscera function, blood pressure, emotion changes and even life stress etc. are all relevant to the adjustment of autonomic nervous system, if the variation of autonomic nerve therefore can be discovered early, the health status of individual can be noted early, prevention individual physiological or psychological disease.
Wherein the analytic process of heart rate variability degree can be divided into temporal analysis and Spectral Analysis Method.Temporal analysis is with statistical computational methods to obtain the degree of variation in during heart beating is measured, and Spectral Analysis Method Process-centric is jumped the change of fluctuating be converted to frequency signal to understand.
Heart rate variability degree is relevant with cardiac rate (Heart Rate), and cardiac rate as the leading indicator of exercise intensity setting, to learn the training strength that individual can bear and then increase or reduce exercise in good time, can make the safer and more effective rate of motion.
A kind of existing monitoring of pulse earphone, in order to monitor heart rate degree of variation and cardiac rate, it comprises an earphone, a light source and an optical sensor, earphone has the earplug of a light-transmitting materials, and it is inserted in auditory meatus by earphone to form dark place, then makes light source penetrate earplug, skin back reflection in irradiation auditory meatus, the change come from a period of time by optical sensor induction light again amasss variable signal (Photoplethysmography, PPG) to obtain a body of light, uses and understands heart rate variability degree.
During motion, user wears monitoring of pulse earphone to monitor the change of cardiac rate, to maintain preferably exercise intensity, use the training reaching more safe and effective rate, as jogged, in order to can run for a long time or maintain certain exercise intensity, the cardiac rate that monitoring of pulse earphone can be utilized to provide decides running velocity.
But, during the earplug of light penetration light-permeable, the impact of earplug material and transmittance can be subject to and produce error.Moreover health will certainly produce vibrations during motion, now earphone in auditory meatus along with physical shocks time, intermittently can produce gap with ear canal wall, this gap enters in auditory meatus by making the light source outside auditory meatus, makes optical sensor cannot light change in volume in Measurement accuracy auditory meatus, produces another error.
Therefore earplug of the present invention with use the physiological function of this earplug to measure earphone and method for measurement is exactly that it is the interference that can prevent earplug material light transmittance in order to overcome described defect, and get rid of error signal when shaking.
Summary of the invention
The object of the invention is to provide a kind of earplug for described existing defect, use the physiological function of this earplug to measure earphone and method for measurement thereof, earplug material light transmittance can be got rid of and shake the error produced.
The present invention discloses a kind of physiological function of this earplug that uses and measures earphone, comprising: an ear casing; One earplug, is arranged at the side of ear casing, and earplug forms a smooth breakthrough portion; One light visits assembly, is arranged in earplug, and light visits that assembly is corresponding with light breakthrough portion arranges; And a processor module, couple light and visit assembly.
As further improvement, a support is extended in described ear casing side, support is formed the port run through, and light is visited assembly and is contained in support, and earplug is fixed on support periphery, and light visits assembly and light breakthrough portion is corresponding with port arranges.
As further improvement, described support is formed with an installing hole, and light is visited assembly and is contained in installing hole, support is provided with a circular rod, has a bottom surface, and bottom surface edge perpendicular extends at least one combination block, for light-transmitting materials, circular rod is arranged at cantilever tip, and combination block is contained in port.
As further improvement, described earplug has a main part, for light tight material, a columned inner ring is extended by plane perpendicular in main part, described smooth breakthrough portion comprises at least one first perforate and at least one second perforate, first perforate is arranged on main part, and the second perforate and the first perforate are relatively arranged on inner ring, and main part end face periphery inwardly vertically extends a brake sack.
As further improvement, physiological function measures earphone and also comprises an accelerometer, and accelerometer can be arranged in ear casing or in earplug, and is connected with processor module.
The present invention discloses a kind of earplug, is used in physiological function and measures earphone, and physiological function measures earphone and comprises an ear casing, this earplug is arranged at the side of ear casing, and arrange a light in earplug and visit assembly, light is visited assembly and coupled a processor module, comprise: a smooth breakthrough portion, visit with light that assembly is corresponding to be arranged.
As further improvement, described earplug has a main part, for light tight material, a columned inner ring is extended by plane perpendicular in main part, described smooth breakthrough portion comprises at least one first perforate and at least one second perforate, first perforate is arranged on main part, and the second perforate and the first perforate are relatively arranged on inner ring, and main part end face periphery inwardly vertically extends a brake sack.
The method for measurement that physiological function of the present invention measures earphone comprises:
First, the earplug providing testee physiological function to be measured earphone is inserted in auditory meatus;
Moreover the light source visiting assembly through light, through behind the light breakthrough portion of earplug, to be squeezed in auditory meatus and the body of light captured in auditory meatus amasss variable signal;
Finally, microprocessor amasss variable signal from captured body of light and calculates a physiologic information.
As further improvement, described physiological function measures the method for measurement of the present embodiment of earphone, is included in after earplug inserts in auditory meatus, the displacement signal utilizing microprocessor to receive an accelerometer to respond to, moreover microprocessor visits component switches according to the numerical control light of displacement signal.
As further improvement, described physiological function measures earphone method for measurement after earplug is inserted in auditory meatus, microprocessor captures the displacement signal of an accelerometer simultaneously and body of light amasss variable signal, afterwards, microprocessor captures body of light according to displacement signal and amasss the OK range of variable signal to obtain physiologic information.
In sum, physiological function of the present invention measures earphone and light source to be concentrated in auditory meatus a narrower region by light breakthrough portion, and reduces the interference of medium to light, and utilizes accelerometer to get rid of the interference shaking and cause, and effectively can improve precision.
Accompanying drawing explanation
Fig. 1 is the axonometric chart that physiological function of the present invention measures earphone.
Fig. 2 is the three-dimensional exploded view that physiological function shown in Fig. 1 measures earphone.
Fig. 3 is the combination schematic diagram that physiological function shown in Fig. 1 measures earphone.
Fig. 4 is the profile that physiological function shown in Fig. 1 measures the earplug of earphone.
Fig. 5 is the flow chart that function of the present invention measures the method for measurement of earphone.
Fig. 6 is another embodiment flow chart that function of the present invention measures the method for measurement of earphone.
In figure, each description of reference numerals is as follows.
Physiological function measures earphone 1 ear casing 10
First acoustic aperture 11 enters ear 20
Support 21 installing hole 211
Port 212 circular rod 22
Bottom surface 221 second acoustic aperture 222
Combination block 223 earplug 23
Main part 231 inner ring 232
The 3rd smooth breakthrough portion 234 of acoustic aperture 233
First perforate 2,341 second perforate 2342
Groove 235 brake sack 236
Speaker 30 optical sensing module 40
Cone spacer 41 soft board 411
Extension 412 mounting plane 4121
Falling tone hole 4122 light visits assembly 42
Visible light source 421 invisible light source 422
Optical sensor 423 signal amplifier 43
A/D converter 44 accelerometer 50
Processor module 60 microprocessor 61
Adapter 62 wireless transport module 63
Display device 70.
Detailed description of the invention
By describing technology contents of the present invention, structural feature in detail, being reached object and effect, hereby illustrate below and coordinate accompanying drawing to be explained in detail.
Physiological function measures the physiologic information that earphone 1 transmits for measuring pulse, is can get rid of earplug light-transmitting materials and shake the error produced.Refer to Fig. 1 and Fig. 2, physiological function measurement earphone 1 comprises an ear casing 10, and enters ear 20, speaker 30, optical sensing module 40, accelerometer 50 and a processor module 60.Enter the side that ear 20 is arranged at ear casing 10, inner to be connected with ear casing 10, accelerometer 50 and optical sensing module 40 are arranged at into coupling processor module 60 in ear 20, and it is interior and couple processor module 60 that speaker 30 is arranged at ear casing 10.Enter ear 20 and comprise an earplug 23, in other embodiments, accelerometer 50 can be arranged in ear casing 10 or enter in the earplug 23 of ear 20, and is connected with processor module 60.
Ear casing 10 is formed first acoustic aperture 11 relative with speaker 30 surface.
Enter ear 20 and comprise support 21, circular rod 22 and a described earplug 23.Support 21 is extended by the edge perpendicular of the first acoustic aperture 11 of ear casing 10 side, become cylinder haply, support 21 is formed an installing hole 211, installing hole 211 is communicated with the first acoustic aperture 11, support 21 surface forms at least one rectangle and the port 212 run through, and port 212 runs through support 21 and forms opening in support 21 apical margin.
Circular rod 22 selects light-transmitting materials, has a discoid bottom surface 221, the second acoustic aperture 222 that one runs through bottom surface 221 is formed in the middle part of bottom surface 221, bottom surface 221 edge perpendicular extends at least one combination block 223, and circular rod 22 is arranged at support 21 top, and combination block 223 is contained in port 212.In the specific implementation, combination block 223 is light-transmitting materials, and bottom surface 221 can be light tight material.
Refer to Fig. 4, earplug 23 has one one-tenth bowl-shape main part 231, it is light tight material, a columned inner ring 232 is extended by plane perpendicular in main part 231, inner ring 232 has the 3rd acoustic aperture 233 that runs through bottom and top, earplug 23 forms a smooth breakthrough portion 234 on main part 231 and inner ring 232, it is the import and export as light, comprise at least one first perforate 2341 and at least one second perforate 2342, first perforate 2341 is arranged on main part 231, second perforate 2342 and the first perforate 2341 are relatively arranged on inner ring 232, main part 231 inwardly concaves formation one groove 235 around the first perforate 2341, use and make main part 231 easily deformable, main part 231 end face periphery inwardly vertically extends a brake sack 236, use the light source stopped outside auditory meatus, support 21 is inserted at 3rd acoustic aperture 233 top fixedly makes earplug 23 be arranged at the side of ear casing 10.
Refer to Fig. 2, optical sensing module 40 is the light sources launching at least one wavelength, and receive the reflected signal of described light source, comprise a cone spacer 41, at least one light visits assembly 42, signal amplifier 43 and an A/D converter 44, cone spacer 41 comprises a soft board 411 (FlexiblePrintCircuit, FPC) and one connect the extension 412 of soft board 411, light is visited assembly 42 and is comprised visible light source 421, invisible light source 422 and an at least one optical sensor 423.
Extension 412 is arranged in installing hole 211, there is at least one mounting plane 4121, mounting plane 4121 is relative with port 212, extension 412 is formed one between the first acoustic aperture 11 and the second acoustic aperture 222 and coupled logical falling tone hole 4122, soft board 411 extends to ear casing 10 positioned internal by entering ear 20, light spy assembly 42 is arranged at respectively on mounting plane 4121 with accelerometer 50 and is also jointly contained in installing hole 211, light is visited assembly 42 and is coupled processor module 60, correspondingly with light breakthrough portion 234 to arrange, its light source is launched through light breakthrough portion 234.
Light is visited assembly 42 and is sent light source by port 212; Signal amplifier 43 and A/D converter 44 to be arranged on soft board 411 and to couple processor module 60, use, light is visited assembly 42 input reflection signal to signal amplifier 43 and is then proceeded to A/D converter 44 and obtain a body of light and amass change information and be sent to processor module 60.
Please continue with reference to Fig. 2, a microprocessor 61, at least one adapter 62 and a wireless transport module 63 is comprised in processor module 60, microprocessor 61 is in order to capture body of light and amass the variable signal cycle and to calculate the time distance in each cycle, and the variation relation between then depicting is to obtain heart rate variability degree information.Wireless transport module 63 is in order to transmit physiologic information to display interface (not shown).Physiologic information comprises a body of light and amasss change curve, cardiac rate, heart rate variability degree, blood oxygen saturation etc., is by processor calculating gained.
Refer to Fig. 3, the first acoustic aperture 11, second acoustic aperture 222, the 3rd acoustic aperture 233 and falling tone hole 4122 form a sound channel outwardly extended by speaker 30 jointly.
Visible light source 421 wavelength is preferably the HONGGUANG between about 600 millimicrons to 700 millimicrons, and it is easier to be reflected by blood, obtains preferably signal contrast; Through the characteristic of invisible light source 422, the reflected signal reflected signal recorded being compared visible light source 421 can calculate blood oxygen saturation, it is worth mentioning that monitoring cardiac rate, heart rate variability degree can not need black light unit.
After auditory meatus inserted by physiological function measurement earphone 1, optical sensor 423 starts the change receiving auditory meatus inner light source, and be sent to microprocessor 61 and depict one group of continually varying waveform, then coordinate the change of heart rate variability degree analytic process record user physiological situation within the unit interval, and be sent to a display device 70 through adapter 62 or wireless transport module 63.
Described display device 70 can be the portable electronic product such as intelligent mobile phone, smart watch, through the physiologic information that physiological function measurement earphone 1 provides, display device 70 can change exported music categories in real time, music is changed along with the physiological status of user is made, and the accuracy of physiological function measurement earphone 1 have impact on the judgement that display device 70 selection group is put the music on, and then have impact on the effect of this function, wherein the light breakthrough portion 234 of earplug 23 and accelerometer 50 can be got rid of earplug 23 material and shake the error produced.
Physiological function measures earphone 1 can visit assembly 42 monitoring sleep status through accelerometer 50 and light, be applied in there is Sleep Apnea disease patient with it, send alert news when disease occurs.
Physiological function measures earphone 1 when shaking easily because angle measurement change, or light leak affects reflected signal, cause the error of real data, therefore for microprocessor 61, lasting transmission one displacement information is judged that light visits the unlatching time point of assembly 42 by described accelerometer 50 in measurement process, makes microprocessor 61 directly obtain interrupted range of signal union and goes out physiologic information.
The measurement step that physiological function of the present invention measures earphone 1 is as follows:
First, the earplug 23 providing testee physiological function to be measured earphone 1 is inserted in auditory meatus;
Moreover the light source visiting assembly 42 through light, through behind the light breakthrough portion 234 of earplug 23, to be squeezed in auditory meatus and the body of light captured in auditory meatus amasss variable signal;
Finally, microprocessor 61 amasss variable signal from captured body of light and calculates a physiologic information.
Please refer to Fig. 5, in the present embodiment, method for measurement is also included in after earplug 23 inserts in auditory meatus, the displacement signal that microprocessor 61 can be utilized to receive an accelerometer 50 respond to, moreover microprocessor 61 visits assembly 42 switch according to the numerical control light of displacement signal.
In the middle of other embodiments, light is visited assembly 42 and can be selected to continue to open, and microprocessor 61 directly captures range of signal suitable in the middle of reflected signal through displacement information, uses range arithmetic and goes out physiologic information.Please refer to shown in Fig. 6, step comprises: after earplug is inserted in auditory meatus, microprocessor 61 captures the displacement signal of an accelerometer 50 simultaneously and body of light amasss variable signal, and afterwards, microprocessor 61 captures body of light according to displacement signal and amasss the OK range of variable signal to obtain physiologic information.
In sum, physiological function of the present invention measures earphone 1 and light source to be concentrated in auditory meatus a narrower region by the first perforate 2341 of the light breakthrough portion 234 of earplug 23 and the second perforate 2342, and reduce the interference of medium to light, and utilize accelerometer 50 to get rid of the interference shaking and cause, effectively can improve precision.
The foregoing is only preferred embodiment of the present invention, non-ly therefore namely limit to the scope of the claims of the present invention, therefore the equivalent structure change of such as using description of the present invention and accompanying drawing content to do, be all in like manner all included within the scope of the present invention, close and give Chen Ming.