CN208625669U - 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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- CN208625669U CN208625669U CN201721239299.1U CN201721239299U CN208625669U CN 208625669 U CN208625669 U CN 208625669U CN 201721239299 U CN201721239299 U CN 201721239299U CN 208625669 U CN208625669 U CN 208625669U
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Abstract
The utility model embodiment is related to a kind of photoelectric detection system and physiological information detection device, wherein photoelectric detection system, it include: support member, and the light receiving element and a plurality of light-emitting elements that are set in support member, a plurality of light-emitting elements are located at light receiving element periphery and are alternatively arranged；A plurality of light-emitting elements emit light to detected body, and illumination of the light in detected body is overlapped projected area and forms common sensitive area, and the light of transmitting to common sensitive area is after detected body reflects to light receiving element.The utility model embodiment forms the common sensitive area of light overlapping by light-emitting component in detected body, the photosensitive sensor of light receiving element is reflexed to the transmitting light after detected body irradiation, so that emitting to the optical signal enhancing of the reflected light of light receiving element, the signal of detected body is received and sensed to increase light receiving element with this, so that the photosensitive sensor of general precision is equally applicable to photoelectric detection system, light receiving element use scope is greatly expanded.
Description
Technical field
The utility model embodiment is related to photoelectric detection technology field, and in particular to a kind of photoelectric detection system and physiology letter
Cease detection device.
Background technique
There are the numerous many and diverse Human Physiology information of category in the market in raising with people to personal health attention rate
Detection device, these detection devices are worn on human body mostly, for example, being worn on the positions such as wrist, arm, waist.At present
More commonly used detection method has electrocardiosignal method, by monitoring visible light (such as green light) in tissue by reflection feelings
Condition detects Human Physiology information indirectly.For example, since the skin of human body, bone, meat, fat etc. are fixed values to the reflection of light,
And the capillary and arterial-venous in tissue become smaller since pulse volume ceaselessly becomes larger, the reflection to light is wave
Dynamic value, the frequency of the fluctuation is exactly pulse, is consistent with the heart rate of human body.
In the detection device using above method detection Human Physiology information, it is worn on bracelet/wrist-watch of human body wrist
The wearable product of intelligence received and liked by more and more people.However, in these existing wearable Human Physiology information
In detection device, when it is worn when on human body, it will usually occur due to the movement of human body and/or wearing mode etc., out
The now true situation of the prohibited data detection of part user when in use.
Fig. 1 shows a kind of structural schematic diagram of photoelectric detection system that can be used for Human Physiology information detector.Such as
Shown in Fig. 1, in this scenario, especially by shading element 8 and high-precision light receiving element 2, light-emitting component 1 is used, with control
The angle of the angle A 2 of the angle A 1 and reflection light of incident light processed improves the accuracy of human body light reflection, guarantees testing number
According to accurate and effective.However, being only through the unilateral setting hair in light receiving element 2 in above-mentioned technical solution shown in fig. 1
Optical element 1, in this way, during human motion, it is likely that occur light receiving element 2 it is received by human body reflect from hair
The case where light of optical element 1 is weakened causes the prohibited data detection of part user true.
Utility model content
For the defects in the prior art, the utility model embodiment provides a kind of photoelectric detection system and physiologic information inspection
Survey device.
On the one hand, the utility model embodiment provides a kind of photoelectric detection system, comprising:
Support member, and the light receiving element and a plurality of light-emitting elements that are set in the support member, it is the multiple to shine
Element is located at the light receiving element periphery and is alternatively arranged；
For the multiple light-emitting component transmitting light to detected body, illumination of the light in detected body is overlapped projection
Region forms common sensitive area, and the light of transmitting to the common sensitive area is after detected body reflects to the light receiving element.
Optionally, the shading element to shut out the light is set between the light receiving element and the light-emitting component；The shading
Element crests are provided with opening, form the light for being incident to the light receiving element between area of illumination through the opening.
Optionally, further includes: light transparent member, the light transparent member are located in the support member and are covered on the light
The outside of element and the light-emitting component, for through the light emitted from the light-emitting component and through detected body reflection
Light.
Optionally, the light-emitting component includes two, and described two light-emitting components are symmetricly set on the light receiving element
Two sides.
Optionally, the surrounding of the light receiving element is arranged in the shading element, for filtering out by the detected body
The light that common sensitive area is reflected with exterior domain.
Optionally, the surrounding of the light-emitting component is arranged in the shading element, for filtering out the light-emitting component transmitting
To the common sensitive area with the light of exterior domain.
Optionally, by the angle that each open end of the light receiving element central point to the shading element is formed be 0 ° extremely
60°。
Optionally, by the angle that each open end of the light receiving element central point to the shading element is formed be 15 ° extremely
30°。
Optionally, the shading element is shading barricade or hood；
The inverted L-shaped that the section of the shading barricade or hood is symmetrical set, the shading barricade or hood it is interior
Edge extends internally.
On the other hand, the utility model embodiment also provides a kind of physiological information detection device, examines including above-mentioned photoelectricity
Survey device.
As shown from the above technical solution, photoelectric detection system and physiologic information detection dress provided by the embodiment of the utility model
It sets, emits light to detected body by a plurality of light-emitting elements of setting, illumination of the light in detected body is overlapped projection area
Domain forms common sensitive area, emits the light to the common sensitive area after detected body reflects to the light receiving element, due to
The light of the multiple light-emitting component transmitting, which is radiated in detected body, forms common sensitive area, so that light receiving element is received
From the optical signal enhancing of the light of light-emitting component, the signal of detected body is received and sensed to enhance light receiving element with this, from
And improve the applicability and accuracy in detection of the detection of optical signal.
A plurality of light-emitting elements are arranged in the utility model embodiment, and light receiving element multi-direction can receive with multi-angle and come from quilt
The light that detection body is reflected, to expand the angular range for being incident to the illumination section angle of the light of the light receiving element.This
The photoelectric detection system that utility model embodiment provides between the light receiving element and the light-emitting component by being arranged shading member
Part, the shading element can be set on the periphery close to light receiving element, can also be positioned close to the periphery of light-emitting component, pass through
The angle of the angle and reflected light that control the incident light of the common sensitive area of detected body in a certain range, can filter out other
The interference of the light of angle.
The utility model embodiment, which passes through, is arranged in the shading element of light receiving element or light-emitting component periphery, guarantee it is described by
Optical element is filtered out for only receiving the light reflected by the common sensitive area of the detected body from non-common sensitive area
Light.Photoelectric detection system provided by the embodiment of the utility model and physiological information detection device, by obtaining common sensitive area institute
The light of reflection increases the accuracy of detection light to increase the intensity of the received light of light receiving element, and human body is avoided to wear physiology
When information detector, since movement or the influence of wearing mode, the problem of the photosignal inaccuracy occurred also avoid not
Necessary light enters light receiving element, so that the precision of received reflected light signal is affected, obtains Gao Zhun to realize to detect
The physiologic parameter value of exactness.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is made one and is simply introduced, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of photoelectric detection system structural schematic diagram in the prior art；
Fig. 2 is the photoelectric detection system structural schematic diagram in the utility model one embodiment including a plurality of light-emitting elements；
Fig. 3 is the photoelectricity inspection including a plurality of light-emitting elements that light transparent member is provided in another embodiment of the utility model
Survey apparatus structure schematic diagram；
Fig. 4 is the schematic diagram that illumination angle defines in another embodiment of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in Fig. 2, the utility model embodiment provides a kind of photoelectric detection system, comprising: support member 6, and setting
In light receiving element 2 and a plurality of light-emitting elements 1 in support member 6, a plurality of light-emitting elements 1 are located at 2 periphery of light receiving element and are spaced
Arrangement；The transmitting light of a plurality of light-emitting elements 1 is to detected body 9, illumination of the light that a plurality of light-emitting elements 1 emit in detected body 9
It is overlapped projected area and forms common sensitive area 10, a plurality of light-emitting elements 1 emit to the light of common sensitive area 10 anti-through detected body 9
To light receiving element 2 after penetrating.Below photoelectric detection system provided by the embodiment of the utility model is unfolded to be described in detail.
Photoelectric detection system provided by the embodiment of the utility model, by the way that multiple shine is arranged on the periphery of light receiving element 2
Element 1, the light that a plurality of light-emitting elements 1 emit are radiated in detected body 9, are overlapped projected area shape in the illumination of detected body 9
At common sensitive area 10, the common received light from a plurality of light-emitting elements 1 of sensitive area 10 is after the reflection of detected body 9 to light
Element 2.Since the light that a plurality of light-emitting elements 1 emit is projected to common sensitive area 10 jointly, the light of common sensitive area 10 is increased
Intensity, to ensure the strength and stability of the light reflected through detected body 9.The light weight emitted by a plurality of light-emitting elements
It closes projection and forms common sensitive area 10, even with the light receiving element 2 of general precision, it is also possible to obtain stable and accurate light
Signal improves the selectable element scope of application of the light receiving element 2 of the utility model embodiment.And the utility model is specific
The light for being obtained the common sensitive area 10 reflected through detected body 9 in embodiment using high-precision light receiving element 2, is further protected
The accuracy of the physiological signal obtained after hindering the optical signal prosessing reflected through detected body 9 is help to obtain high-precision tested
Survey the physiologic parameter value of body 9.
As shown in Fig. 2, the support member 6 of the utility model embodiment can be for for installing light-emitting component 1 and light member
The base platform of part 2 can use plastic material.Light receiving element 2 and a plurality of light-emitting elements 1 are installed in support member 6, multiple
Light-emitting component 1 is located at the periphery of light receiving element 2, and a plurality of light-emitting elements 1 can separate arrangement at a certain distance between each other, to realize
Common sensitive area 10 (common light area) is formed when light emitting to the position of detected body 9 that a plurality of light-emitting elements 1 emit.
The projecting direction of common sensitive area 10 and light shown in Figure 2 is only used for schematically illustrating the utility model embodiment, and
Non- is the limitation to the size, position of common sensitive area 10, nor angle, number to the transmitting light of a plurality of light-emitting elements 1
The limitation of amount.
As shown in Figure 2 and Figure 3, in the utility model embodiment, in order to control the range of the received light of light receiving element 2,
Ensure light receiving element 2 received optical signal stabilization accuracy, the utility model embodiment is in light receiving element 2 and light-emitting component
The shading element 8 of light can be blocked or be shielded to setting between 1, and the top of shading element 8 is provided with opening, makes to be incident to light
The light of element 8 is formed between area of illumination through opening.
As shown in Fig. 2, shading element 8 is arranged in around light receiving element 2, shading element 8 is in along the section in the direction AA 'Shape, shading element 8 surround the periphery of light receiving element 2 and atop part, block the periphery and part of shielding light receiving element 2
The light of top-direction, to controlling the received light of light receiving element 2 in a certain range.Specifically, shading element 8 is shading
Shelves wall or hood；The inner edge of the inverted L-shaped that the section of shading barricade or hood is symmetrical set, shading barricade or hood to
Interior extension.
As shown in figure 3, shading element 8 can also be arranged in around light-emitting component 1 for the utility model embodiment, shading
Element 8 is in along the section in the direction AA 'Shape, shading element 8 is by the periphery of each light-emitting component 1 and atop part packet
It encloses, the range for the light that light-emitting component 1 emits is controlled by shading element 8, filter out the light that a part of light-emitting component 1 emits,
Also the light that can control the transmitting of light-emitting component 1 to common sensitive area 10, so that the light for controlling common sensitive area 10 is transmitted through
The range of the light of light receiving element 2 is reflected into after detected body 9 again.In addition, the utility model embodiment can also shine
Be respectively provided with shading element 8 around element 1 and light receiving element 2, by control simultaneously range that light-emitting component 1 emits beam and by
Optical element 2 receives light and sees range, realizes that more accurately light controls.
The utility model embodiment passes through the shading element 8 that the periphery of light-emitting component 1 or/and light receiving element 2 is arranged in, control
The light range of the received light reflected through detected body 9 of light receiving element 2 processed is realized light receiving element 2 is received from altogether
With in photocontrol a certain range of sensitive area 10, the guarantee received light of light receiving element 8 is that a plurality of light-emitting elements 1 emit jointly
Light, can be enhanced received optical signal intensity.Also, by setting shading element 8, it can also ensure optical signal
On the basis of intensity, a certain range of optical signal is selected, and by the accurate and stable light in received range of choice
Signal is handled, and the physiological parameter of high-precision detected body 9 is obtained.
In the utility model embodiment, as shown in figure 4, in order to avoid in routine use damage light-emitting component 1 and by
Optical element 2, photoelectric detection system further include light transparent member 5, and light transparent member 5 is manufactured using transparent material, and light transparent member 5 is located at branch
On support part part 6 and it is covered on the outside of light receiving element 2 and light-emitting component 1 with enclosure and protection light receiving element 2 and light-emitting component 1,
The light emitted from light-emitting component 1 is transmitted through detected body 9 by translucent element, the light after the reflection of detected body 9, then
Light receiving element 2 is reflexed to by translucent element 5.
Specifically, translucent element is arranged in support member 6 and including cladding light-emitting component 1 protruding upward and light receiving element
2 transparent curved.The photoelectric detection system of the utility model embodiment is when detecting the physiological parameter information of detected body 9, thoroughly
The transparent curved that light component 5 protrudes is contacted with detected body 9, and the light after the reflection of detected body 9 is saturating using light transparent member 5
It is incident upon light receiving element 2.
In the utility model embodiment, as shown in Figures 2 to 4, the reflection received for the ease of control light receiving element 2
Light-emitting component 1 can be arranged to two by the light intensity of light, and two light-emitting components 1 are separately positioned on the two of light receiving element 2
Side is separated by a distance with light receiving element 2.The illumination that the light that light-emitting component 1 positioned at 2 two sides of light receiving element emits is overlapped
Region forms common sensitive area 10, and the light positioned at the transmitting of two light-emitting components 1 to the common sensitive area 10 of 2 two sides of light receiving element passes through
Detected body 9 reflexes to light receiving element 2 and is converted into electric signal by light receiving element processing.In the embodiments of the present invention
In, after the reflection of detected body 9, centrality is incident to the light for being incident to common sensitive area 10 from two light-emitting components 1
Light receiving element 2 ensure that the intensity of the received light of light receiving element 2, so that more easily acquisition is more accurate and steady for light receiving element 2
Fixed optical signal.
The quantity of light-emitting component 1 in the utility model embodiment and the position being arranged in support member 6 are not limited only to
This, for example, 1 quantity of light-emitting component can be set according to actual needs 4,4 light-emitting components 1 can be equal around light receiving element 2
It is even to separate the surrounding for being symmetricly set on light receiving element 2.Furthermore 4 light-emitting components 1 can also be divided into two groups, every two shines
Element 1 is listed as one group, and two groups of light-emitting components 1 are symmetricly set on the two sides of light receiving element 2 again and separate one with light receiving element 2
Fixed distance with centrality increases the incident intensity of the common sensitive area 10 of formation, can also increase the number of light-emitting component 1
The light-emitting component 1 of the different numbers such as amount setting 3,5,6, so that the reflected light of the incident light of the common sensitive area 10 formed
The strong light of intensity, so that being conducive to light receiving element 2 obtains the optical signal for receiving to stablize luminous intensity.
As shown in Fig. 2, in the above embodiments of the present invention, in order to control light receiving element 2 received light
Range is arranged shading element 8 in the surrounding of light receiving element 2, selectively receives the light of common sensitive area 10, such as filter out not
The light for being directly transmitted to light receiving element 2 reflected through detected body 9, can also filter out the common sensitive area 10 of detected body 9 with
The light of exterior domain reflection, control light receiving element 2 receives a certain range of light by common sensitive area 10, to avoid light-emitting component
The light of a part of 1 transmitting enters light receiving element 2, interferes the received optical signal of light receiving element 2.For example, human body is being moved through
Cheng Zhong may cause and have in other light incidence light receiving elements 2 due to being influenced by human motion intensity and external force, and
By the shading element 8 of setting, is received by control light receiving element 2 in a certain range of light, ensure that the accurate of testing result
Property and reliability.
As shown in figure 4, the dimensions of shading element 8 is controlled in specific embodiment of the utility model, so that by
The angular range that the angle theta that 2 central point of light receiving element to each open end of the shading element 8 is formed is 0 ° to 60 °, from
And the light reflected through detected body 9 for controlling common sensitive area 10 can be incident to the light range of light receiving element 2, guarantee light
Element 2 is only used for receiving the reflection light from common sensitive area 10, and the light of other region reflection lights of detected body 9 is avoided to believe
Number interference, obtain convenient for control and processing reliable and stable optical signal.The utility model is in a particular embodiment as a result,
The light receiving element 2 of photoelectric detection system will be formed by each open end of 2 central point of light receiving element to the shading element 8
The angular range of angle theta controls in a certain range, this ensure that the accuracy of testing result, can be greatly reduced light
Element 2 is influenced bring noise by other light, to improve the detection accuracy of the optical signal reflected detected body 9
And reliability.For convenient for controlling the range for the light for being incident to light receiving element 2 and obtaining the light of reliability, specific real
It applies in example, the angle theta formed by each open end of 2 central point of light receiving element to the shading element 8 can be for 15 ° extremely
30 ° of angular range is easier to control the received light range of light receiving element 2 in this way.
As shown in figure 3, shading element 8 may be provided at light-emitting component 1 week in another embodiment of the utility model
It encloses, such as the settable shading element 8 on the light-emitting component 1 of 2 two sides of light receiving element, to limit the transmitting of light-emitting component 1
The angle of light allows the light of only certain angle range to be incident to detected body 9 and forms common sensitive area 10, meanwhile,
The light that can avoid light-emitting component 1 is directly transmitted to light receiving element 2.The light that other angles range not only can be filtered out is incident
To light receiving element 2, the interference of other optical signals is avoided.Meanwhile further define formed by the light for being incident to detected body 9 it is common
The size of sensitive area 10 ensure that light receiving element 2 receives the intensity of light.
Therefore, the side that the utility model embodiment passes through the setting shading element 8 on light receiving element 2 or/and light-emitting component 1
Formula, to control the range of the received light of light receiving element 2, thus increase stability and accuracy that light receiving element 2 receives light,
The range of applicability that light receiving element 2 receives light is increased, and the light of the received common sensitive area 10 of light receiving element 2 is transmitted through
Reflected light after detected body 9, also increase light receiving element 2 received light signal strength, consequently facilitating obtain more
The physiological signal of the reliable and stable detected body 9 sensed by optical signal, is advantageously implemented high-precision detected body 9
Physio-parameter detection standard.
In order to further provide for the superiority of photoelectric detection system provided by the embodiment of the utility model, the utility model is real
It applies an embodiment and a kind of physiological information detection device is also provided, including above-mentioned photoelectric detection system.
The physiological information detection device of the utility model embodiment works as the utility model based on above-mentioned photoelectric detection system
When the physiological information detection device of embodiment is worn in detected body 9, pass through the detected body 9 of photoelectric detection system acquisition
The optical signal of reflection obtains the physiologic information parameter of detected body 9 after the optical signal prosessing for reflecting detected body 9.
The physiological information detection device of the utility model embodiment includes photoelectric detection system, by photoelectric detection system
Light receiving element 2 around a plurality of light-emitting elements 1 are set, it is practical at this to form common sensitive area 10 in detected body 9
When the physiological information detection device that new embodiment provides is worn on such as human body of detected body 9, in photoelectric detection system
Light transparent member realizes curved face contact by the transparent curved and detected body 9 of protrusion, thus, the light that light-emitting component 1 emits can be saturating
Light light transparent member 5 is incident to detected body 9, and can be again passed through light transmission by the vasoreflex in detected body 9, the light of reflection
Component, and finally being received by light receiving element 2, the light signal strength variable quantity based on the received of light receiving element 2, determines that Human Physiology is believed
Breath.After light is incident in human body, it will receive the diffusion such as epidermis, corium and subcutaneous tissue or scattering, enter back into blood vessel,
And by vasoreflex, by the process, the intensity of the light finally reflected through detected body 9 can greatly be weakened, therefore right
The required precision of light receiving element 2 is very high.
Photoelectric detection system provided by the embodiment of the utility model and physiological information detection device, by detected body 9
It is upper to form common sensitive area 10, it can greatly overcome the presence of the above problem, light receiving element 2 is avoided to be believed by unnecessary light
Number interference, the applicability of the light receiving element 2 of common precision can be increased.
The photoelectric detection system of the physiological information detection device of the utility model embodiment is total to using what light-emitting component 1 was formed
After sensitive area 10, the reflected light of reinforcement can be formed in common sensitive area 10, considerably increases the light-sensitive element of light receiving element 2
The light signal strength of light is received, it is also possible to the applicability of light sensor is greatly expanded, it is specific without being limited to
The photosensitive sensor of high-precision light receiving element 2.The applicability of light receiving element 2 is increased, so that common light receiving element 2 can also
To obtain high-precision optical signal, to sense the physiological signal of detected body 9, the received reflected light of light receiving element 2 is avoided to believe
Number precision be affected, be more advantageous to and obtain high-precision 9 physio-parameter detection of detected body.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.Term " on ", "lower" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.Unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
In the specification of the utility model, numerous specific details are set forth.Although it is understood that the utility model
Embodiment can be practiced without these specific details.In some instances, be not been shown in detail well known method,
Structure and technology, so as not to obscure the understanding of this specification.Similarly, it should be understood that disclosed to simplify the utility model
And it helps to understand one or more of each utility model aspect, the retouching to the exemplary embodiment of the utility model above
In stating, each feature of the utility model is grouped together into a single embodiment, figure, or description thereof sometimes.However,
The method of the disclosure should not be explained to be in reflect an intention that the requires of the utility model ratio i.e. claimed in each power
The more features of feature being expressly recited in benefit requirement.More precisely, as the following claims reflect, it is practical new
It is all features less than single embodiment disclosed above in terms of type.Therefore, it then follows the claim of specific embodiment
Thus book is expressly incorporated in the specific embodiment, wherein independent implementation of each claim as the utility model itself
Example.It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can be mutual group
It closes.The utility model is not limited to any single aspect, is also not limited to any single embodiment, is also not limited to this
Any combination and/or displacement of a little aspects and/or embodiment.Furthermore, it is possible to be used alone the utility model each aspect and/
Or embodiment or with it is one or more other aspect and/or embodiment be used in combination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (9)
1. a kind of photoelectric detection system characterized by comprising
Support member, and the light receiving element and a plurality of light-emitting elements that are set in the support member, the multiple light-emitting component
Positioned at the light receiving element periphery and it is alternatively arranged；
For the multiple light-emitting component transmitting light to detected body, illumination of the light in detected body is overlapped projected area
Common sensitive area is formed, the light of transmitting to the common sensitive area is after detected body reflects to the light receiving element.
2. photoelectric detection system according to claim 1, which is characterized in that the light receiving element and the light-emitting component it
Between the shading element to shut out the light is set, be provided with opening at the top of the shading element.
3. photoelectric detection system according to claim 2, which is characterized in that further include: light transparent member, the light transparent member
In the support member and it is covered on the outside of the light receiving element and the light-emitting component, for through from described
The light of light-emitting component transmitting and the light reflected through detected body.
4. photoelectric detection system according to claim 2, which is characterized in that the light-emitting component is including two, described two
A light-emitting component is symmetricly set on the two sides of the light receiving element.
5. photoelectric detection system according to claim 2, which is characterized in that the shading element setting is in the light member
The surrounding of part, the light that the common sensitive area for filtering out by the detected body is reflected with exterior domain.
6. photoelectric detection system according to claim 5, which is characterized in that by the light receiving element central point to the screening
The angle that each open end of optical element is formed is 0 ° to 60 °.
7. photoelectric detection system according to claim 6, which is characterized in that by the light receiving element central point to the screening
The angle that each open end of optical element is formed is 15 ° to 30 °.
8. photoelectric detection system according to claim 2, which is characterized in that the shading element is shading barricade or shading
Cover；
The inner edge of the inverted L-shaped that the section of the shading barricade or hood is symmetrical set, the shading barricade or hood to
Interior extension.
9. a kind of physiological information detection device, which is characterized in that filled including Photoelectric Detection described in claim 1-8 any one
It sets.
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| CN201721239299.1U CN208625669U (en) | 2017-09-25 | 2017-09-25 | A kind of photoelectric detection system and physiological information detection device |
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| CN201721239299.1U CN208625669U (en) | 2017-09-25 | 2017-09-25 | A kind of photoelectric detection system and physiological information detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485372A (en) * | 2017-09-25 | 2017-12-19 | 北京我爱购科技发展有限公司 | A kind of photoelectric detection system and physiological information detection device |
| CN110460705A (en) * | 2019-08-31 | 2019-11-15 | 深圳阜时科技有限公司 | Biological characteristic detection system and electronic equipment |
| CN115040788A (en) * | 2021-07-31 | 2022-09-13 | 天一智能科技(东莞)有限公司 | Skin phototherapy device and equipment based on full spectrum LED |
-
2017
- 2017-09-25 CN CN201721239299.1U patent/CN208625669U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107485372A (en) * | 2017-09-25 | 2017-12-19 | 北京我爱购科技发展有限公司 | A kind of photoelectric detection system and physiological information detection device |
| CN110460705A (en) * | 2019-08-31 | 2019-11-15 | 深圳阜时科技有限公司 | Biological characteristic detection system and electronic equipment |
| CN115040788A (en) * | 2021-07-31 | 2022-09-13 | 天一智能科技(东莞)有限公司 | Skin phototherapy device and equipment based on full spectrum LED |
| CN115040788B (en) * | 2021-07-31 | 2023-08-04 | 天一智能科技(东莞)有限公司 | Skin phototherapy device and equipment based on full spectrum LED |
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