CN201197707Y - Sensing device for continuously monitoring vital sign parameters when doing sports - Google Patents
Sensing device for continuously monitoring vital sign parameters when doing sports Download PDFInfo
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- CN201197707Y CN201197707Y CNU2008200041478U CN200820004147U CN201197707Y CN 201197707 Y CN201197707 Y CN 201197707Y CN U2008200041478 U CNU2008200041478 U CN U2008200041478U CN 200820004147 U CN200820004147 U CN 200820004147U CN 201197707 Y CN201197707 Y CN 201197707Y
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 230000031700 light absorption Effects 0.000 claims description 14
- 240000006409 Acacia auriculiformis Species 0.000 claims description 11
- 210000005069 ears Anatomy 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000008280 blood Substances 0.000 description 8
- 210000004369 blood Anatomy 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 230000011514 reflex Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010247 heart contraction Effects 0.000 description 2
- 238000002496 oximetry Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 210000000624 ear auricle Anatomy 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to a sensing device for monitoring vital sign parameters in motion, which comprises a shell body, at least one light source emitting rays, at least one light detector receiving the rays emitted by the light source and a light transmitting device for narrowing the emitted or received rays. The light source and the light detector are positioned inside the shell body, and the light transmitting device is respectively positioned between the shell surface and the light source as well as the light detector. The shell body comprises the shell part of an earphone arranged inside a human auditory meatus. The sensing device for monitoring vital sign parameters in motion has the advantages that firstly, with the light transmitting device adopted, the measurement errors due to motion can be eliminated, thereby correct vital sign parameters can be obtained in motion; and secondly, the shell body of the sensing device is the earphone arranged inside the human auditory meatus, therefore, the sensing device can be conveniently used in motion.
Description
Technical field
The present invention relates to a kind of sensing device, more particularly, the sensing device of continuous monitoring vital sign when relating to a kind of moving.
Background technology
Vital sign parameter, for example heart rate, body temperature and SpO2 (blood oxygen saturation that records with pulse oximeter) are important information for the situation of determining health, if when motion, obtain these parameters, just can judge the present health of user, thereby provide according to the purpose that reaches sentific training for increasing or reducing its quantity of motion.
The equipment that much can measure the vital sign of user when static is arranged, but these equipment all can not or be not easy to the measurement vital sign parameter when motion.For example, user can obtain body temperature by using infrared ear temperature meter, clinical clinical thermometer, obtains the amount of the oxygen that heart rate and hemoglobin carry by the use pulse oximeter.But all these equipment all can not be monitored vital sign continuously when user performs physical exercise.For example, thermometer should not use when user moves.As for the finger pulse oximeter, relevantly studies show that athletic meeting changes blood volume, measure invalid (list of references: " Motion Artifact inPulse Oximetry " thereby make, M.R.Neuman and N.Wang, Annual InternationalConference of the IEEE Engineering in Medicine and Biology Society, Vol.12 No.5,1990.).
Most of common heart rate monitor are all used the pectoral girdle of ECG type, this pectoral girdle and sports watch (sportwatch) wireless connections.Detect heart beating by the ECG signal of measuring from pectoral girdle, and pulsation is sent to sports watch by wireless connections.Such heart rate monitor accurately and reliably, but its defective is that user is dressed plastic tape when taking exercise be uncomfortable.Pectoral girdle can become very dirty after using.
The another kind of method that detects heart rate is to use infrared (IR) LED and the infrared sensor that leads to ear-lobe or finger tip.Such detector has this intrinsic problem of motion artifact, becomes unreliable when user is taken exercise.
In the above-mentioned various situation, its can't or the inconvenient main cause of measuring vital sign parameter at the volley be that its sensing device is not suitable for using when motion.
Summary of the invention
The technical problem to be solved in the present invention is that the above-mentioned defective that can not or be not easy to measure vital sign parameter when moving at prior art provides a kind of sensing device that can measure its vital sign parameter when user moves easily.
The technical solution adopted for the present invention to solve the technical problems is: the sensing device of monitoring vital sign parameter when constructing a kind of moving, comprise that housing, light source that at least one emits beam and at least one receive the photo-detector that described light source emits beam, also comprise the light delivery device that the light that is used to make emission or receives narrows down; Described light source and described photo-detector all are positioned at described enclosure interior, and described light delivery device lays respectively between described light source and photo-detector and the described surface of shell; Described housing comprises the earphone outer covering part that is used to be placed in the human antrum auris.
In the sensing device of when motion monitoring vital sign parameter of the present invention, described light transmitting device comprises at least one air duct or optical fiber between described light source or photo-detector and described surface of shell.
In the sensing device of monitoring vital sign parameter, described light transmitting device also comprises the light absorption assembly when motion of the present invention, and described light absorption assembly is arranged at around the described air duct; Described light absorption assembly comprises circular plastic sheath.
In the sensing device of monitoring vital sign parameter, described air path length makes the ray cast of described light source can not project the regional overlaid of human antrum auris with other light sources to the zone of human antrum auris when motion of the present invention.
In the sensing device of monitoring vital sign parameter, described light source comprises light emitting diode when motion of the present invention; The optical wavelength that described light emitting diode sends comprises the 880-920 nanometer or/and 660 nanometers.
In the sensing device of monitoring vital sign parameter, described light source and described photo-detector are positioned at described housing is cut section open along its axis the same side when motion of the present invention.
In the sensing device of monitoring vital sign parameter, described light source and described photo-detector are positioned at described housing is cut section open along its axis not homonymy when motion of the present invention.
In the sensing device of monitoring vital sign parameter, described housing comprises three layers: be used to place outer circular layer, the inner circular layer of light source and photo-detector and the intermediate layer that is connected described outer circular layer and described inner circular layer when motion of the present invention; The material of described outer circular layer and inner circular layer comprises hard plastic, and the material in described intermediate layer comprises soft plastic; Described intermediate layer also comprises a plurality of through holes that are parallel to its axis.
When motion of the present invention, monitor in the sensing device of vital sign parameter, the material of described housing comprises soft plastic, described light source and described photo-detector by the hard plastic parcel that leaves the air duct that leads to surface of shell or by the hard plastic parcel but described hard plastic be provided with through hole and communicate with described housing outer surface by optical fiber.
In the sensing device of monitoring vital sign parameter, the corresponding a plurality of one-tenth circumference of a described light source are symmetrically distributed in the photo-detector on the described housing when motion of the present invention.
The sensing device of continuous monitoring vital sign parameter when implementing of the present invention moving has following beneficial effect: owing to adopted light delivery device, can eliminate the measurement error of bringing because of motion, therefore can obtain correct vital sign parameter at the volley; Again because the housing of this sensing device is the earphone that is positioned in the human antrum auris, so very convenient when using at the volley.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
The structural representation of Fig. 1 sensing device first embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move;
The placement light source of Fig. 2 sensing device first embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move and the profile of photo-detector part;
The placement light source of Fig. 3 sensing device second embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move and the profile of photo-detector part;
The placement light source of Fig. 4 sensing device the 3rd embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move and the profile of photo-detector part;
The structural representation of Fig. 5 sensing device the 4th embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move.
The specific embodiment
As depicted in figs. 1 and 2, when a kind of moving of the present invention among sensing device first embodiment of monitoring vital sign parameter, this sensing device unites two into one with the earphone that is used to listen to the music, and the pick off of this sensing device is positioned at the partial shell that is positioned over human antrum auris 32 of above-mentioned earphone.In Fig. 1, Fig. 2, this device comprises photo-detector 7 that housing 2, two light sources that emit beam 6 and two receive described light source 6 and emit beam, be used to make emission or light delivery device 5 and ear cap 1 and earphone cable 4 that the light that receives narrows down, wherein, placed the parts speaker of finishing the original vocal function of earphone in the ear cap 1, and earphone cable 4 also will send out the vital sign parameter of sensing that pick off in the above-mentioned sensing device sends except audio signal is sent to the earphone; In the present embodiment, as shown in Figure 2, the housing in above-mentioned placement and the human antrum auris 3 is divided into three layers: be used to place outer circular layer 21, the inner circular layer 23 of light source and photo-detector and the intermediate layer 22 that is connected described outer circular layer 21 and described inner circular layer 23; Wherein, the constituting of described outer circular layer 21 and inner circular layer 23, the constituting of described intermediate layer 22 by soft plastic by hard plastic; The structure of described inner circular layer 23 is tubuloses of a hollow, the material of its hard plastic supports intermediate layer 22 for it and outer circular layer 21 provides enough intensity, and the transmission sound that the space of its hollow then can be sent the sounding component (not shown) in the ear cap 1 is given user; And because the structure in above-mentioned intermediate layer 22 is flexible, so, when described inner circular layer 23 with outside the rigid structure of circular layer 21 when being connected by the flexible structure in described intermediate layer 22, this flexible structure can weaken pressure and the vibration of transmitting the outside, reduces the influence that motion itself is obtained vital sign parameter.
In the prior art, a major reason of measuring when plurality of devices can not be used to move is: when motion, the light of skin reflex changes significantly, because the light that LED sends has big beam angle, so light scattering causes the vital sign parameter that measures to depart from actual value greatly to detector.Therefore, in the present embodiment, used light delivery device 5.The purpose of using above-mentioned light delivery device 5 is that the path that light can be passed through becomes narrower, thereby obtains the accurate type of narrower optical transmission angle, raising measurement vital sign parameter.So in the present embodiment, a light delivery device 5 all is set in the front of each light source 6 and photo-detector 7.Light delivery device 5 in the present embodiment comprises a long and narrow air duct 51 and is positioned at this long and narrow air duct 51 light absorption assembly 52 on every side that this light absorption assembly 52 is used to absorb the light that does not directly enter skin.In the present embodiment, 52 pairs of whole designs of light absorption assembly are crucial, because it has guaranteed that the deviation of bringing owing to motion is an approximately linear, avoid nonlinear properties to enter follow-up signal processing step.Light absorption assembly 52 in the present embodiment is round plastic or foam encasement of black, and the selection of its color, material and shape is all to absorb the light of the progressive or scattering of non-rectilinear to greatest extent.
In order to reach the purpose that produces narrow angle light beam, guarantee that external vibration can not cause big disturbance to the direct current signal that receptor receives and produce narrow angle light beam with the Oximetry of pulsing effectively, the diameter and the degree of depth to above-mentioned air duct 51 all have certain requirement, in the present embodiment, described air path length makes the ray cast of described light source can not project the regional overlaid of human antrum auris with other light sources to the zone of human antrum auris.
In the present embodiment, comprised two light sources 6, these two light sources 6 use the LED of known wavelength as light source.Its wavelength be respectively the 880-920 nanometer (infrared, IR) and 660 nanometers (HONGGUANG, RED).Obtain heart rate (HR), only need the IR light source to get final product.Calculate blood oxygen level (pulsation blood oxygen), just need to use IR light source and red light source.Obtain heart rate or calculate blood oxygen level, all need to use photo-detector, comprise that infrared receiving tube and photodiode (Photo Diode) respond to the light that is transmitted into or reflexes to skin or use the ken (application sight).The transmission that is mapped to light body surface and that reflex to photo-detector that carries blood is subjected to the influence of the pulsating flow of each heart beating.This slight change of light intensity is detected and extract to set up signal waveform, promptly general said plethysmograph (plethysmograph).The pulsating flow of signal waveform or actual detected can be converted into the heart rate when not moving.
For calculating pulsation blood oxygen, the emission of IR and red light will independently be analyzed, and is used for experience calculating, to generate predetermined blood oxygen level.Calibration and experience are calculated and are not belonged to scope of the present invention, and calibration and experience are calculated and can be found in a lot of documents.
The placement light source of Fig. 3 sensing device second embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move and the profile of photo-detector part, the second embodiment of the present invention is in above-mentioned first embodiment of the invention difference: in the second embodiment of the present invention, only comprise a light source 6 and a photo-detector 7, and this light source 6 is not to lay respectively at described housing 2 is cut section open along its axis not homonymy as the first embodiment light source 6 and photo-detector 7 with a photo-detector 7, like this, in first embodiment, the percutaneous propagation of light that light source 6 is sent is transmitted into photo-detector 7; And in a second embodiment, described light source 6 and photo-detector 7 are positioned at described housing is cut section open along its axis the same side, and like this, in a second embodiment, the light that light source 6 is sent arrives photo-detector 7 by skin reflex.Another difference of first embodiment and second embodiment is that second embodiment can only test the heart rate in the vital sign parameter, so its light source 6 is IR light sources, promptly sends ultrared LED.
In a second embodiment, all the other are all the same with first embodiment; But in actual applications, housing 2 among second embodiment can also change the employed material of a side of wherein not placing light source 6 and photo-detector 7 into flexible glue, like this, when above-mentioned housing 2 is put into the auditory meatus 3 of user, an above-mentioned side of not placing light source 6 and photo-detector 7 can be pushed auditory canal wall, make a side that is placed with light source 6 and photo-detector 7 more near auditory canal wall, thereby obtain better effect.
The placement light source of Fig. 4 sensing device the 3rd embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move and the profile of photo-detector part, the third embodiment of the present invention and above-mentioned second embodiment of the invention difference are: in the 3rd embodiment, described light delivery device 5 is not that the air duct 51 among second embodiment adds light absorption assembly 52, in the 3rd embodiment, this light delivery device 5 is an optical fiber, as shown in Figure 4.In the 3rd embodiment, optical fiber can not only be finished the function 52 that air duct 51 among first, second embodiment adds the light absorption assembly, and the air duct 51 that its effect is better than among first, second embodiment adds light absorption assembly 52.
What deserves to be mentioned is, in the first embodiment of the present invention, also can use optical fiber to replace above-mentioned air duct 51 to add light absorption assembly 52.
Except that above-mentioned difference, described the 3rd embodiment and second embodiment are basic identical.
The structural representation of Fig. 5 sensing device the 4th embodiment of monitoring vital sign parameter when to be that the present invention is a kind of move.As shown in Figure 5, in the fourth embodiment of the present invention, a light source 6 and a photo-detector 7 have also been included only, different with the various embodiments described above is, described light source 6 and photo-detector 7 are installed in the prefabricated shell, and this prefabricated shell is placed on the end of described ear cap 1 near above-mentioned housing 2; Described light source 6 has only a light delivery device 5 to be communicated to the surface of described housing 2, and described photo-detector 7 has a plurality of light delivery devices 5 to be communicated to the surface of described housing 2, and the outlet of these light delivery devices 5 on described housing 2 surfaces becomes circumference to be symmetrically distributed on the described housing 2.Like this, described photo-detector 7 can receive the light intensity of a plurality of points of auditory meatus and come statokinetic influence, for more linear signal is prepared in follow-up processing.
Except that above-mentioned difference, described the 4th embodiment and second embodiment are basic identical.
Certainly, in fourth embodiment of the invention, can also use two light sources 6 and two photo-detectors 7, at this moment, use two above-mentioned prefabricated shells, a same light source 6 and photo-detector 7 placed in each prefabricated shell; Similarly, light source 6 has only a light delivery device 5 to be communicated to the surface of described housing 2, and described photo-detector 7 has a plurality of light delivery devices 5 to be communicated to the surface of described housing 2, and the outlet of these light delivery devices 5 on described housing 2 surfaces becomes circumference to be symmetrically distributed on the described housing 2.Different is the outlet of the light transmitting device 5 of each light source 6 and photo-detector 7, is positioned at the diverse location on described housing 2 outer surfaces.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. sensing device of time monitoring vital sign parameter that moves, comprise that housing, light source that at least one emits beam and at least one receive the photo-detector that described light source emits beam, it is characterized in that, also comprise the light delivery device that the light that is used to make emission or receives narrows down; Described light source and described photo-detector all are positioned at described enclosure interior, and described light delivery device lays respectively between described light source and photo-detector and the described surface of shell; Described housing comprises the earphone outer covering part that is used to be placed in the human antrum auris.
2. the sensing device of monitoring vital sign parameter according to claim 1 is characterized in that, described light transmitting device comprises at least one air duct or optical fiber between described light source or photo-detector and described surface of shell.
3. the sensing device of monitoring vital sign parameter according to claim 2 is characterized in that, described light transmitting device also comprises the light absorption assembly, and described light absorption assembly is arranged at around the described air duct; Described light absorption assembly comprises circular plastic sheath.
4. the sensing device of monitoring vital sign parameter according to claim 3 is characterized in that, described air path length makes the ray cast of described light source can not project the regional overlaid of human antrum auris with other light sources to the zone of human antrum auris.
5. the sensing device of monitoring vital sign parameter according to claim 1 is characterized in that, described light source comprises light emitting diode; The optical wavelength that described light emitting diode sends comprises the 880-920 nanometer or/and 660 nanometers.
6. the sensing device of monitoring vital sign parameter according to claim 5 is characterized in that, described light source and described photo-detector are positioned at described housing is cut section open along its axis the same side.
7. the sensing device of monitoring vital sign parameter according to claim 5 is characterized in that, described light source and described photo-detector are positioned at described housing is cut section open along its axis not homonymy.
8. the sensing device of monitoring vital sign parameter according to claim 5 is characterized in that, described housing: comprise that three layers are used to place outer circular layer, the inner circular layer of light source and photo-detector and the intermediate layer that is connected described outer circular layer and described inner circular layer; The material of described outer circular layer and inner circular layer comprises hard plastic, and the material in described intermediate layer comprises soft plastic.
9. the sensing device of monitoring vital sign parameter according to claim 5, it is characterized in that, the material of described housing comprises soft plastic, described light source and described photo-detector by the hard plastic parcel that leaves the air duct that leads to surface of shell or by the hard plastic parcel but described hard plastic be provided with through hole and communicate with described housing outer surface by optical fiber.
10. according to the sensing device of any described monitoring vital sign parameter of claim 1-9, it is characterized in that the corresponding a plurality of one-tenth circumference of a described light source are symmetrically distributed in the photo-detector on the described housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200041478U CN201197707Y (en) | 2008-02-03 | 2008-02-03 | Sensing device for continuously monitoring vital sign parameters when doing sports |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008200041478U CN201197707Y (en) | 2008-02-03 | 2008-02-03 | Sensing device for continuously monitoring vital sign parameters when doing sports |
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Cited By (7)
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| CN101873520A (en) * | 2010-06-14 | 2010-10-27 | 清华大学 | Sound-generating device |
| WO2010133066A1 (en) * | 2009-05-18 | 2010-11-25 | 幻音科技(深圳)有限公司 | Earplug-type earphone |
| CN104622427A (en) * | 2013-11-13 | 2015-05-20 | 富港电子（东莞）有限公司 | Earplug, physiological function measuring earphone using earplug and measuring method thereof |
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- 2008-02-03 CN CNU2008200041478U patent/CN201197707Y/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010133066A1 (en) * | 2009-05-18 | 2010-11-25 | 幻音科技(深圳)有限公司 | Earplug-type earphone |
| CN101873520A (en) * | 2010-06-14 | 2010-10-27 | 清华大学 | Sound-generating device |
| CN101873520B (en) * | 2010-06-14 | 2013-03-06 | 清华大学 | Sound-generating device |
| CN104622427A (en) * | 2013-11-13 | 2015-05-20 | 富港电子（东莞）有限公司 | Earplug, physiological function measuring earphone using earplug and measuring method thereof |
| CN105636510A (en) * | 2014-07-18 | 2016-06-01 | 卫保数码有限公司 | Apparatus and method suitable for monitoring arterial blood in a body part |
| US10806355B2 (en) | 2014-07-18 | 2020-10-20 | Well Being Digital Limited | Device and method suitable for monitoring arterial blood in a body part |
| US11653846B2 (en) | 2014-07-18 | 2023-05-23 | Well Being Digital Limited | Device and method suitable for monitoring arterial blood in a body part |
| US12029536B2 (en) | 2014-07-18 | 2024-07-09 | Well Being Digital Limited | Device and method suitable for monitoring arterial blood in a body part |
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| CN110267587A (en) * | 2017-02-07 | 2019-09-20 | 皇家飞利浦有限公司 | Optical sensing apparatus and corresponding optical sensing method |
| CN114259223A (en) * | 2021-12-17 | 2022-04-01 | 南昌航空大学 | A Human Movement Status Monitoring System Based on D-type Plastic Optical Fiber |
| WO2023185649A1 (en) * | 2022-03-28 | 2023-10-05 | Well Being Digital Limited | A photoplethysmography sensor having a novel arrangement |
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