CN107495928A - A kind of photoelectric detection system and physiological information detection device - Google Patents
A kind of photoelectric detection system and physiological information detection device Download PDFInfo
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- CN107495928A CN107495928A CN201710876136.2A CN201710876136A CN107495928A CN 107495928 A CN107495928 A CN 107495928A CN 201710876136 A CN201710876136 A CN 201710876136A CN 107495928 A CN107495928 A CN 107495928A
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- 238000001514 detection method Methods 0.000 title claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000007639 printing Methods 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 230000035479 physiological effects, processes and functions Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- Medical Informatics (AREA)
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- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Cardiology (AREA)
- Physiology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present embodiments relate to a kind of photoelectric detection system and physiological information detection device, wherein photoelectric detection system includes：Support member, and the photo detector and light-emitting component being arranged in support member, light-emitting component are located at photo detector periphery；Light transparent member, in support member and it is covered in the outside of photo detector and light-emitting component, for through coming from the light of light-emitting component transmitting to detected body and passing through the light reflected through detected body, the housing face that light transparent member contacts with detected body to include the transparent curved of protrusion and the transmission plane at the top of transparent curved；The housing face that support member contacts with detected body includes face contact portion, face contact portion and light transparent member are spaced apart and are located at the periphery of light transparent member, and the height H2 of the height H1 of light transparent member in the vertical direction and the face contact portion in the vertical direction of supporting part meets H1 ＞ H2 ＞ 0.The embodiment of the present invention can increase the wear comfort of human body, avoid long discomfort.
Description
Technical field
The present embodiments relate to photoelectric detection technology field, and in particular to a kind of photoelectric detection system and physiologic information
Detection means.
Background technology
This part to reader introduce may be related to various aspects of the invention background technology, it is believed that can be carried to reader
The background information being provided with, so as to contribute to reader to more fully understand various aspects of the invention.It is, therefore, to be understood that our department
Point explanation be for the above purpose, and not form admission of prior art.
With raising of the people to personal health attention rate, there are the numerous numerous and diverse Human Physiology information of category in the market
Detection means, it is by being worn on the enterprising pedestrian's body physiologic information of human body mostly using electrocardiosignal method in these detection means
Detection.Because the reflection to light such as the skin of human body, bone, meat, fat is fixed value, and the capillary in tissue and
Arterial-venous diminishes greatly because pulse volume ceaselessly becomes, therefore the reflection to light is undulating value, and the frequency of the fluctuation is exactly arteries and veins
Fight, the heart rate with human body is consistent.So as to, can by monitor visible ray (such as green glow) in tissue by reflection feelings
Condition, indirect detection Human Physiology information.
However, in these existing wearable Human Physiology information detectors, when it is worn on human body, warp
Often occur the detection data of part user when in use due to the motion of human body and/or wearing mode etc., occur
Inaccurate situation.Fig. 1 shows a kind of structural representation of the photoelectric detection system available for physiological information detection device, such as
Shown in Fig. 1, in order to increase the accuracy of light transmitting, the photoelectric detection system of prior art, by photoelectric detection system
The outside covering of high-precision photo detector 2 and light-emitting component 1 sets the light transparent member with convex portion, so that it is receiving outside
The detection site of human body can be fully extruded in the case of extruding, spherical reflecting surface is formed on human body, so as to reach control
The angle A 1 of incident light and the angle A 2 of reflection light and the accuracy received.As can be seen that the photoelectric detection system institute in Fig. 1
The light transparent member of setting has the reflecting surface structure of sphere protruding upward or curved surface 40, be squeezed power it is small, it is uneven or
In the case of being not affected by extruding, light that light-emitting component 1 is sent present it is as shown in Figure 2 can not be fully according to the reflection of reflecting surface
The situation that light path is reflected.In actual use, due to the difference that the wearing mode and comfort level of user require, it is difficult people to be
To actively control the size of extruding force, to realize that photoelectric detection system can be given appropriate extruding force (as shown in Figure 3
) in the case of, exactly, stably obtain by the optical signal of tissue institute reflection light.
The content of the invention
Technical problems to be solved are how to provide a kind of photoelectric detection system and physiological information detection device.
For in the prior art the defects of, the embodiment of the present invention provides a kind of photoelectric detection system and physiologic information detection dress
Put, the scattering light that light-emitting component can be avoided to launch exposes to photo detector and disturbed by unnecessary optical signal.
In a first aspect, the embodiments of the invention provide a kind of photoelectric detection system, including：
Support member, and the photo detector and light-emitting component being arranged in the support member, the light-emitting component are located at
The photo detector periphery；
Light transparent member, in the support member and it is covered in the outside of the photo detector and the light-emitting component,
Come from the light of the light-emitting component transmitting for passing through to detected body and through the light reflected through the detected body, it is described
The housing face that light transparent member contacts with the detected body includes the transparent curved of protrusion and at the top of the transparent curved
Transmission plane；
The housing face that the support member contacts with the detected body includes face contact portion, the face contact position
It is spaced apart in the periphery of the light transparent member and with the light transparent member,
The height H1 of the light transparent member in the vertical direction and the face contact portion in the vertical direction of the supporting part
Height H2 meet H1 ＞ H2 ＞ 0.
Alternatively,
The face contact portion is spaced apart around the light transparent member and with the light transparent member, the face contact portion
Interval region between the light transparent member forms groove.
Alternatively, the housing face that the face contact portion contacts with the detected body is light tight curved surface, described impermeable
Light curved surface is made of non-transparent material.
Alternatively, the height H1 of the light transparent member in the vertical direction and face contact portion in the vertical direction
Height H2 difference △ H=H1-H2, meet 0.3mm≤△ H≤0.8mm.
Alternatively, the bottom vertical height H3 of groove described in the distance from top of the light tight curved surface in the face contact portion is
0.5mm to 1.6mm.
Alternatively, the transmission plane of the light transparent member places the light-emitting component and the light with the support member
The supporting surface of element is parallel.
Alternatively, the transmission plane is disc, and the transparent curved is sphere, the vertical direction in the center of circle of the disc
On projection overlapped with the projection on the vertical direction in the center of circle of the sphere.
Alternatively, the periphery of the photo detector is provided with shading element, and opening, institute are provided with the top of the shading element
The light for stating light-emitting component transmitting is incident on the photo detector after detected body reflects by the opening.
Alternatively, the light-emitting component is multiple that the multiple light-emitting component is located at the photo detector periphery and is spaced
Arrangement, the light transparent member are covered in the outside of the multiple light-emitting component, the photo detector and the shading element.
On the other hand, the embodiment of the present invention also provides a kind of physiological information detection device, including above-mentioned Photoelectric Detection dress
Put.
As shown from the above technical solution, photoelectric detection system provided in an embodiment of the present invention and physiological information detection device,
Face contact portion is set by the housing face contacted in support member with detected body, it is possible to achieve protrude to detected side
Light transparent member can more stably with detected body contact, ensure detected body with transparent curved and printing opacity of light transparent member
The detection faces of plane contact can be avoided the shadow due to wearing mode or exercise factor by uniform, stable extruding force
Ring, the caused light reflecting curved surface structure formed by the transparent curved and transmission plane of light transparent member in detected body changes
Become, so as to influence and change the angle of reflected light and path so that the optical signal of the reflected light of detection is inaccurate, unstable.
Meanwhile photoelectric detection system provided in an embodiment of the present invention and physiological information detection device, also by by transmittance section
The height H1 of the part in the vertical direction and height H2 of face contact portion in the vertical direction is arranged to meet H1 ＞ H2 ＞ 0, no
It can only allow the transmission plane for the light transparent member protruded to be contacted completely with detected body, while transmittance section can also be ensured
The transparent curved of part can also realize with detected body and contact, and so, can greatly reduce that detected body is subject to comes from light
The pressing force of electric detection means and physiological information detection device, the wear comfort of human body is improved, meanwhile, expand the reflection of light
Scope so that larger range of light can pass through light transparent member to photo detector, increase the light signal strength of reflected light, obtain
Detection signal exactly, realize stable and reliability measurement.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to make a simply introduction, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of photoelectric detection system structural representation in the prior art；
Fig. 2 is a kind of photoelectric detection system principle schematic in the prior art；
Fig. 3 is a kind of photoelectric detection system principle schematic in the prior art；
Fig. 4 is a kind of photoelectric detection system structural representation in one embodiment of the invention；
Fig. 5 is a kind of detection view of photoelectric detection system of the prior art；
Fig. 6 is a kind of detection view when an embodiment of the present invention photoelectric detection system is used for detected body；
Fig. 7 is another embodiment photoelectric detection system structural representation of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 4 shows a kind of photoelectric detection system structural representation in one embodiment of the invention, as shown in figure 4, at this
In embodiment, the photoelectric detection system includes：Support member 6, and the photo detector 2 being arranged in support member 6 and luminous member
Part 1, light-emitting component 1 are located at the periphery of photo detector 2；Light transparent member 5, in support member 6 and it is covered in photo detector 2 and sends out
The outside of optical element 1, light to the detected body 9 and transmission that the transmitting of light-emitting component 1 is come from for transmission reflect through detected body 9
Light, the housing face that light transparent member 5 contacts with detected body 9 includes the transparent curved 51 of protrusion and positioned at the top of transparent curved 51
Transmission plane 50；The housing face that support member 6 contacts with detected body 9 includes face contact portion 60,60, face contact portion
It is spaced apart in the periphery of light transparent member 5 and with light transparent member 5, height H1 and the supporting part 6 of the in the vertical direction of light transparent member 5
The height H2 of the in the vertical direction of face contact portion 60 meet H1 ＞ H2 ＞ 0.
In embodiments of the present invention, as shown in figure 4, in order to preferably make photoelectric detection system better contact with skin, lead to
Cross and face contact portion 60 is set in the housing face that support member 6 contacts with detected body, it is possible to achieve protruded to the side of detected body 9
Light transparent member 5 can more stably with detected body 9 contact, ensure detected body 9 the transparent curved with light transparent member 5
51 and the detection faces that contact of transmission plane 50 can be avoided by uniform, stable extruding force due to wearing mode or fortune
The influence of reason element, the caused light formed by the transparent curved 51 and transmission plane 50 of light transparent member 5 in detected body
Reflecting curved surface structural change, so as to influence and change the angle of reflected light and path so that the optical signal of the reflected light of detection is not
Accurately, it is unstable.
Fig. 5 shows a kind of detection view of photoelectric detection system of the prior art.As shown in figure 5, the light
Electric detection means is simultaneously not provided with face contact portion 60, and the feelings for occurring in Fig. 5 will be easier when detected body 9 is moved
Condition, the position A and position B of detected body 9 receive different size of extruding force, the transparent curved 51 and printing opacity of light transparent member 5
After the pinch detection body 9 of plane 50, its formed light reflecting curved surface will to the side of light transparent member 5 tilt (in Fig. 5 be specially
Rolled to position B oblique), so as to influence and change the angle of the reflected light of detected body 9 and path, influence photo detector detection light
The accuracy of signal.
The present invention is specially by the height H1 of the in the vertical direction of light transparent member 5 and the in the vertical direction of face contact portion 60
Height H2 is arranged to meet H1 ＞ H2 ＞ 0, and the part that light transparent member 5 is higher by face contact portion 60 can cause the transmittance section protruded
The transmission plane 50 of part 5 can contact with detected body 9 completely, while can also ensure the transparent curved 51 of light transparent member 5
Can realize to contact with detected body 9 allows light transparent member 5 to be easily embedded in very much detected body 9, so, can be greatly
Reduce the pressing force from photoelectric detection system that detected body is subject to, improve the wear comfort of human body, meanwhile, expand light
Reflected range so that larger range of light can pass through saturating part to photo detector, increase the light signal strength of reflected light,
Detection signal exactly is obtained, the optical signal detecting information of stable and reliability measurement is realized, has ensured the physiology of detected body 9
The accuracy detection of parameter.
In embodiments of the present invention, in order to avoid power that the dynamic change contacted with detected body 9 brings incident ray
Change causes the data inaccuracy detected, and face contact portion 60 is spaced apart around light transparent member and with light transparent member 5, pressed
Region forms groove 7 between contact site 60 and light transparent member 5.Specifically, the housing that face contact portion 60 contacts with detected body 9
Face is light tight curved surface, and light tight curved surface is made of non-transparent material.So, other light can be shielded to light transparent member
5 interference, ensure that photo detector 2 can only receive the optical signal of the light passed through by light transparent member 5.
In embodiments of the present invention, when Fig. 6 shows that an embodiment of the present invention photoelectric detection system is used for detected body
A kind of detection view.As shown in fig. 6, the face contact portion 60 by being arranged at the periphery of light transparent member 5, light transparent member
5 in completely enclosed detection environment, and photo detector 2 can only receive passes through translucent element 5 through quilt by what light-emitting component 1 was launched
Detect the light of body reflection.Under the detection state, support light transparent member 5 that the face contact portion 60 of protrusion can stablize, and point
Dissipate extruding of the light transparent member 5 to detected body 9.Even if under strenuous exercise's state, positioned at the face contact portion on the periphery of light transparent member 5
It is also ensured that light transparent member 5 contacts any position of detected body 9 all by same extruding force, avoid light transparent member 5 can
The inclination that can occur, ensure that the accuracy of the reflection light of detected body 9.
In order to ensure while the accuracy of the physiological parameter of detected body 9 is sensed, comfort level when not influenceing also to wear,
The height H1 of the in the vertical direction of the light transparent member 5 and height H2 of the in the vertical direction of face contact portion 60 difference △ H=H1-
H2, meet 0.3mm≤△ H≤0.8mm.I.e.:The height of light transparent member 5 is higher than the height in face contact portion 60 0.3 millimeter to 0.8
Millimeter.When in the range of the difference in height, it is ensured that the transmission plane 50 and the meeting of transparent curved 51 and detected body of light transparent member 5
The conflict of 9 large area areas；Secondly, the face contact portion 60 of setting can readily shield other direct projection light and pass through printing opacity
Part ensure that the detection environment of photoelectric detection system to photo detector；Furthermore by the setting of difference in height in the range of this, press
Crimping contact portion 60 can disperse the extruding force that detected body 9 receives, and avoid because the part of detected body 9 is by larger extruding
Power, increase the sticky feeling of user.
Preferably, the distance from top texturearunaperpendicular height H3 of the light tight curved surface in face contact portion 60 be 0.5mm extremely
1.6mm.In the altitude range, face contact portion 60 can easily support light transparent member 5, detected body 9 when avoiding moving
Rock, the conflict detected body for causing light transparent member 5 to stablize, influence the accuracy of the physiological data of detection.
Fig. 7 shows another embodiment photoelectric detection system structural representation of the present invention.As shown in fig. 7, the present invention is real
The periphery for applying the photo detector 2 of the photoelectric detection system of example is additionally provided with shading element 8, and opening is provided with the top of shading element,
The light that light-emitting component 1 is launched is incident on photo detector 2 after the reflection of detected body 9 by the opening.Outside by photo detector 2
The shading element 8 that week is set, the light for being directly transmitted to photo detector 2 reflected without detected body 9 can be filtered out, meanwhile,
The scope that photo detector 2 receives light can also be limited, ensures that photo detector 2 receives the intensity and scope of light.Such as it is also possible that
Shading element 8 is provided with the periphery of light-emitting component 1, the top of shading element 8 is provided with opening, the light that light-emitting component 1 is launched
Launch by opening to detected body 9.Photoelectric detection system provided in an embodiment of the present invention passes through in photo detector 2 or luminous
The mode of shading element 8 is set on element 1, to control the scope of the light of the reception of photo detector 2, by adjusting shading element 8
Opening size, the light range that shading element 8 can pass through can be adjusted flexibly, so as to control photo detector 2 to connect
The scope of light is received, improves the accuracy that photo detector 2 receives light, adds the applicability model that photo detector 2 receives light
Enclose, consequently facilitating relatively accurately given/setting range in light optical signal, ensured the quilt for obtaining high accuracy
Detect the physiological parameter of body 9.
As shown in Figure 6, Figure 7, the photoelectric detection system of the embodiment of the present invention includes multiple light-emitting components 1, multiple luminous members
Part 1 is spaced at the periphery of photo detector 2 according to default ad hoc rules, light transparent member 5 be covered in multiple light-emitting components 1, by
The outside of optical element 2 and shading element.Set multiple light-emitting components 1 to ensure the light signal strength that photo detector 2 receives, make
Common photo detector 2 can also receive optical signal, reduce photoelectric detection system to the precision of photo detector 2 will
Ask, expand the use range of photo detector 2.Preferably, the transmission plane 50 of light transparent member 5 is placed luminous with support member 6
Element 1 is parallel with the supporting surface of photo detector 2.
As shown in Figure 6, Figure 7, the photoelectric detection system of the embodiment of the present invention, the transmission plane included by light transparent member 5
50 and the translucent construction of transparent curved 51, it is plane that the bottom being recessed to the side of detected body 9 can be formed in detected body 9
Reflecting curved surface, to control light-emitting component 1 to launch the light angle to the light of detected body 9 after the reflection of detected body 9, make light
Photo detector 2 can be intensively incident to, ensures the stability for the light that photo detector 1 receives.Alternatively, the embodiment of the present invention
The transmission plane 50 at the top of the light transparent member be chosen as disc, transparent curved 51 is sphere.For the life of preferably human body
Reason parameter detects and improves the comfort level of wearing, the projection on the vertical direction in the center of circle of the disc of transmission plane 50 with thoroughly
Projection on the vertical direction in the center of circle of the sphere of light curved surface 51 overlaps.When the light that light-emitting component 1 is launched passes through transmission plane
During 50 reflection light, because the reflecting surface of reflected light is plane, the reflection angle of reflection light is smaller so that reflection light is irradiated
Positioned at the centre position region by optical range of photo detector.
In order to further provide for the superiority of photoelectric detection system provided in an embodiment of the present invention, the embodiment of the present invention also carries
For a kind of physiological information detection device, including above-mentioned photoelectric detection system.
In summary, photoelectric detection system provided in an embodiment of the present invention and physiological information detection device, by supporting
The housing face that part contacts with detected body sets face contact portion, it is possible to achieve the light transparent member protruded to detected side can
With the more stably contact with detected body, ensure being contacted with the transparent curved and transmission plane of light transparent member for detected body
Detection faces can be avoided the influence due to wearing mode or exercise factor by uniform, stable extruding force, it is caused by
The light reflecting curved surface structural change that the transparent curved and transmission plane of light transparent member are formed in detected body, so as to influenceing and
Change angle and the path of reflected light so that the optical signal of the reflected light of detection is inaccurate, unstable.
Meanwhile photoelectric detection system provided in an embodiment of the present invention and physiological information detection device, also by by transmittance section
The height H1 of the part in the vertical direction and height H2 of face contact portion in the vertical direction is arranged to meet H1 ＞ H2 ＞ 0, no
It can only allow the transmission plane for the light transparent member protruded to be contacted completely with detected body, while transmittance section can also be ensured
The transparent curved of part can also realize with detected body and contact, and so, can greatly reduce that detected body is subject to comes from light
The pressing force of electric detection means and physiological information detection device, the wear comfort of human body is improved, meanwhile, expand the reflection of light
Scope so that larger range of light can pass through light transparent member to photo detector, increase the light signal strength of reflected light, obtain
Detection signal exactly, realize stable and reliability measurement.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.Term " on ", " under " etc. refers to
The orientation or position relationship shown is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies
Description, rather than the device or element of instruction or hint meaning must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In the specification of the present invention, numerous specific details are set forth.Although it is understood that embodiments of the invention can
To be put into practice in the case of these no details.In some instances, known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.Similarly, it will be appreciated that disclose in order to simplify the present invention and helps to understand respectively
One or more of individual inventive aspect, in the description to the exemplary embodiment of the present invention above, each spy of the invention
Sign is grouped together into single embodiment, figure or descriptions thereof sometimes.However, should not be by the method solution of the disclosure
Release and be intended in reflection is following：I.e. the present invention for required protection requirement is than the feature that is expressly recited in each claim more
More features.More precisely, as the following claims reflect, inventive aspect is to be less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of embodiment are expressly incorporated in the embodiment,
Wherein each claim is in itself as separate embodiments of the invention.It should be noted that in the case where not conflicting, this
The feature in embodiment and embodiment in application can be mutually combined.The invention is not limited in any single aspect,
Any single embodiment is not limited to, is also not limited to any combination and/or the displacement of these aspects and/or embodiment.And
And can be used alone the present invention each aspect and/or embodiment or with other one or more aspects and/or its implementation
Example is used in combination.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (10)
- A kind of 1. photoelectric detection system, it is characterised in that including：Support member, and the photo detector and light-emitting component being arranged in the support member, the light-emitting component is positioned at described Photo detector periphery；Light transparent member, in the support member and the outside of the photo detector and the light-emitting component is covered in, is used for The light reflected through the light for coming from the light-emitting component transmitting to detected body and transmission through the detected body, the printing opacity The housing face that part contacts with the detected body includes the transparent curved of protrusion and the printing opacity at the top of the transparent curved Plane；The housing face that the support member contacts with the detected body includes face contact portion, and the face contact portion is located at institute State the periphery of light transparent member and be spaced apart with the light transparent member,The height H1 of the light transparent member in the vertical direction and the face contact portion in the vertical direction of the supporting part height Degree H2 meets H1 ＞ H2 ＞ 0.
- 2. photoelectric detection system according to claim 1, it is characterised in thatThe face contact portion is spaced apart around the light transparent member and with the light transparent member, the face contact portion and institute The interval region stated between light transparent member forms groove.
- 3. photoelectric detection system according to claim 2, it is characterised in that the face contact portion and the detected body The housing face of contact is light tight curved surface, and the light tight curved surface is made of non-transparent material.
- 4. photoelectric detection system according to claim 3, it is characterised in that the height of the light transparent member in the vertical direction Spend the height H2 of H1 and face contact portion in the vertical direction difference △ H=H1-H2, meet 0.3mm≤△ H≤ 0.8mm。
- 5. photoelectric detection system according to claim 3, it is characterised in that the light tight curved surface in the face contact portion The bottom vertical height H3 of groove described in distance from top is 0.5mm to 1.6mm.
- 6. photoelectric detection system according to claim 3, it is characterised in that the transmission plane of the light transparent member with it is described It is parallel with the supporting surface of the photo detector that support member places the light-emitting component.
- 7. photoelectric detection system according to claim 6, it is characterised in that the transmission plane is disc, the printing opacity Curved surface is sphere, the projection on the vertical direction in the center of circle of the disc and the projection on the vertical direction in the center of circle of the sphere Overlap.
- 8. photoelectric detection system according to claim 1, it is characterised in that the periphery of the photo detector is provided with shading Element, the shading element top are provided with opening, and the light that the light-emitting component is launched is after detected body reflects by described Opening is incident on the photo detector.
- 9. photoelectric detection system according to claim 8, it is characterised in that the light-emitting component is the multiple to be multiple Light-emitting component is located at the photo detector periphery and is spaced, and the light transparent member is covered in the multiple light-emitting component, institute State the outside of photo detector and the shading element.
- 10. a kind of physiological information detection device, including the photoelectric detection system described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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