CN209220246U - Biological characteristic detection device and electric terminal - Google Patents

Abstract

The embodiment of the present application provides a kind of biological characteristic detection device and electric terminal, biological characteristic detection device includes: light transmitting unit, light receiver unit, the light transmitting unit is used to emit light to biological tissue, light light receiver unit described in directive after the tissue processing of the light transmitting unit transmitting, the light receiver unit is for receiving the light after the tissue processing and carrying out photoelectric conversion to generate the raw electrical signal for carrying out biological characteristic detection, there is adjustable relative position and/or relative angle between the light transmitting unit and the light receiver unit, to realize the accurate measurements of biological characteristic.

Description

Biological characteristic detection device and electric terminal

This application claims on June 30th, 2017 be committed to China Intellectual Property Office, application No. is 201720779957.X, Apply for the priority of the Chinese patent application of entitled " biological characteristic detection device and electric terminal ", entire contents are by drawing With being incorporated in the present application.

Technical field

The invention relates to biological characteristic detection technique field more particularly to a kind of biological characteristic detection device and electricity Sub- terminal.

Background technique

The appearance of the fast development of intellectual product, such as smartwatch, Intelligent bracelet, intelligent earphone etc., facilitates health care The realization of sexual function application, for example can realize the detection of the biological characteristics such as heart rate, blood oxygen.Specific application scenarios are such as moving When heart rate, blood oxygen are monitored to judge whether the biological characteristic of user in motion process normal, alternatively, sleep when to the heart Rate, blood oxygen are monitored to judge whether the biological characteristic of user in sleep procedure is normal.

The realization of health application function above-mentioned for intellectual product, currently used mode are as follows: based on optical principle into The measurement of row biological characteristic, such as light principle of reflection, light project principle, by taking light principle of reflection as an example: light emitters It is reflected after being incident on biological tissue, light receiver receives the light of reflection, and the light based on reflection carries out biological characteristic Detection, in the process, incident ray forms reflection light after effect (the absorb, scattering) reflection of blood in tissue, Due to blood meeting generating period variation in tissue, by being incuded to the light of reflection, being analyzed, to obtain biological spy Sign.Similar, for light projection principle, the light based on projection is incuded, is analyzed, to obtain biological characteristic.

In the prior art, by taking the biological characteristic detection realized based on light principle of reflection as an example, light emitters and light Relative position between receiver usually immobilizes, therefore, it is impossible to by adjusting between light emitters and light receiver Relative position realize the accurate measurements of biological characteristic.

Utility model content

The embodiment of the present application is designed to provide a kind of biological characteristic detection device and electric terminal, at least to solve The above problem in the prior art.

For the purpose for realizing the embodiment of the present application, the embodiment of the present application provides a kind of biological characteristic detection device, packet Include: light transmitting unit, light receiver unit, the light transmitting unit are used to emit light, the light to biological tissue Light light receiver unit described in directive after the tissue processing of transmitting unit transmitting, the light receiver unit are used In receiving light after the tissue processing and carry out photoelectric conversion to generate for carrying out biological characteristic detection Raw electrical signal, with adjustable relative position and/or relatively between the light transmitting unit and the light receiver unit Angle.

Optionally, in the embodiment of the application, the light transmitting unit is arranged on the first substrate, the light Receiving unit is arranged in the second substrate.

Optionally, in the embodiment of the application, further includes: compliant member, the compliant member by pad or Plug is connected with the corresponding first substrate and the second substrate respectively, so that the light transmitting unit and the light There is adjustable relative position and/or relative angle between line receiving unit.

Optionally, in the embodiment of the application, the first substrate and the second substrate are multilayered structure, corresponding Ground, the detection device further include: at least one end of compliant member, the compliant member is embedded in the first substrate and/or institute It states to be connected respectively with the corresponding first substrate and/or the second substrate in the multilayered structure of the second substrate, so that institute Stating has adjustable relative position and/or relative angle between light transmitting unit and the light receiver unit.

Optionally, in the embodiment of the application, the first substrate and the second substrate are multilayered structure, described Any layer is made of flexible material and extends out to the second substrate and and the second substrate in the multilayered structure of first substrate Multilayered structure in any layer connection；Alternatively, in the multilayered structure of the second substrate any layer be made of flexible material and to The first substrate is extended to outside and is connect with any layer in the multilayered structure of first substrate, so that the light transmitting unit There is adjustable relative position and/or relative angle between the light receiver unit.

Optionally, in the embodiment of the application, further includes: optical block unit, for blocking or absorbing the light The light that line transmitting unit is launched, the light launched to avoid light transmitting unit is without straight after the tissue processing It is connected to up to the optical receiver unit；And/or, further includes: light element, for guiding the light transmitting unit to launch Light to the biological tissue test surface and/or be directed through the light after the tissue processing to the light receiver Unit.

Optionally, in the embodiment of the application, the optical block unit and the light element are structure as a whole, Alternatively, the optical block unit and the light element are separate structure.

Optionally, it in the embodiment of the application, is all provided on the light transmitting unit and the light receiver unit It is equipped with the light element, the light element on the light transmitting unit is with the light element on the light receiver unit Integral structure or separate structure.

Optionally, in the embodiment of the application, the surface shape of the light element and/or the optical block unit Shape is matched with the shape of the test surface of the biological tissue.

Optionally, in the embodiment of the application, further includes: processing circuit, the processing circuit are used for the original Beginning electric signal carries out analog-to-digital conversion and forms digital signal and be filtered to the digital signal；And/or further include: control Circuit processed, the control circuit emit light to biological tissue for controlling the light transmitting unit.

Optionally, in the embodiment of the application, further includes: processor, the processor are used for according to described original The detection of electric signal progress biological characteristic.

Optionally, in the embodiment of the application, the relative position is the light transmitting unit and the light Linear distance between the geometric center of receiving unit, the relative angle are the light transmitting unit and the light receiver Normal angle where unit between plane.

Optionally, in the embodiment of the application, the biological characteristic is the heart rate based on photoplethysmographic signal Feature or blood oxygen feature.

Optionally, in the embodiment of the application, the biological tissue is ear, when carrying out biological characteristic detection, The light receiver unit and/or the light transmitting unit are bonded with tragus inside region；Alternatively, the light receiver unit And/or the light transmitting unit is bonded with the region between inferior crura of antihelix and crus helicis；Alternatively, the light receiver unit And/or the light transmitting unit is bonded with the region between anthelix and crus helicis, alternatively, the light receiver unit and/ Or the light transmitting unit is bonded with cymba region；Alternatively, the light receiver unit and/or the light transmitting unit It is bonded with ear-lobe region；Alternatively, the light receiver unit and/or the light transmitting unit are located at concha auriculae cavity region；Alternatively, The light receiver unit and/or the light transmitting unit are located to be enclosed by the anthelix of crus helicis, ear hole mouth, close antitragus At region.

Optionally, in the embodiment of the application, if the light receiver unit is bonded with tragus inside region, institute It states light transmitting unit and is located at join domain below intertragic incisure and external ear hole；Alternatively, if the light transmitting unit with The fitting of tragus inside region, then the light receiver unit is located at join domain below intertragic incisure and external ear hole.

Optionally, in the embodiment of the application, further includes: wear auxiliary body, the light receiver unit and institute It states light transmitting unit to be arranged in the wearing auxiliary body, so that the light receiver unit and light transmitting are single The region between inferior crura of antihelix and crus helicis is arranged in member；Alternatively, so that the light receiver unit and light hair Penetrate the region that unit is arranged between anthelix and crus helicis.

Optionally, in the embodiment of the application, further includes: Flexible element, the Flexible element are carrying out biology spy When sign detection the light transmitting unit and the light receiver unit are fitted closely with the biological tissue.

The embodiment of the present application also provides a kind of electric terminal comprising any of the above-described detection device as described in the examples.

In the biological characteristic detection device provided in the embodiment of the present application, light transmitting unit is used to emit to biological tissue Light, light light receiver unit described in directive after the tissue processing of the light transmitting unit transmitting are described Light receiver unit is for receiving the light after the tissue processing and carrying out photoelectric conversion to generate for carrying out The raw electrical signal of biological characteristic detection has adjustable opposite between the light transmitting unit and the light receiver unit Position and/or relative angle, to realize the accurate measurements of biological characteristic.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application one；

Fig. 2 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application two；

Fig. 3 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application three；

Fig. 4 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application four；

Fig. 5 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application five；

Fig. 6 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application six；

Fig. 7 is the candidate region schematic diagram of the test surface of ear in the embodiment of the present application seven；

Fig. 8 A, Fig. 8 B are the signal of the sample detection signal filtering front and back of tragus inside region in the embodiment of the present application eight Figure；

Fig. 9 is wearing schematic of the earphone on ear in the embodiment of the present application nine；

Figure 10 is wearing schematic of the earphone on ear in the embodiment of the present application ten；

Figure 11 is wearing schematic of the earphone on ear in the embodiment of the present application 11；

Figure 12 is wearing schematic of the earphone on ear in the embodiment of the present application 12；

Figure 13 is wearing schematic of the earphone on ear in the embodiment of the present application 13；

Figure 14 is earphone wearing schematic on ear in the embodiment of the present application 14；

Figure 15 is earphone wearing schematic on ear in the embodiment of the present application 15；

Figure 16 is wearing schematic of the earphone on ear in the embodiment of the present application 16.

Figure 17 is wearing schematic of the earphone on ear in the embodiment of the present application 17；

Figure 18 is wearing schematic of the earphone on ear in the embodiment of the present application 18；

Figure 19 is the schematic diagram of intertragic incisure and collar extension hole line in the embodiment of the present application 19.

Specific embodiment

Presently filed embodiment is described in detail below in conjunction with schema and embodiment, how the application is applied whereby Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.

In the biological characteristic detection device provided in the embodiment of the present application, it is used for by light transmitting unit to biological tissue Transmitting light, light light receiver unit described in directive after the tissue processing of the light transmitting unit transmitting, The light receiver unit is used for for receiving the light after the tissue processing and carrying out photoelectric conversion with generating The raw electrical signal for carrying out biological characteristic detection has adjustable between the light transmitting unit and the light receiver unit Relative position and/or relative angle, to realize the accurate measurements of biological characteristic.

Fig. 1 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application one；In the present embodiment, biological characteristic Detection device 1 is also known as biological characteristic detection device, and specifically, biological characteristic detection device includes light transmitting unit 101, light Line receiving unit 102；The light transmitting unit 101 is used to emit light to biological tissue, and the light receiver unit 102 connects It receives the light after the tissue processing and carries out photoelectric conversion to generate for carrying out the original of biological characteristic detection Electric signal.

Optionally, in the present embodiment, biological characteristic detection device can also include: a hard substrate 103, the light hair Penetrate unit 101, light receiver unit 102 is arranged on hard substrate 103.

Optionally, in the present embodiment, biological characteristic detection device can also include: optical block unit 104, for blocking Or absorb in the light that the light transmitting unit is launched and directly reach the optical receiver unit without the biological tissue, And then the light for avoiding the light transmitting unit from launching directly reaches noise caused by the optical receiver unit, increases The accuracy of detection.

Optionally, in the present embodiment, biological characteristic detection device can also include light element 105, described for guiding The light that light transmitting unit is launched is to the test surface of the biological tissue and/or after being directed through the tissue processing Light to the light receiver unit.Specifically, it can be respectively provided with for light transmitting unit 101, light receiver unit 102 There is light element 105, i.e. biological characteristic detection device includes two light elements 105, the two light elements 105 can be one Body structure or separate structure, i.e., light element 105 and the light receiver unit 102 on the described light transmitting unit 101 On light element 105 be structure as a whole or separate structure.However, it is desirable to which explanation, can also emit only for light A light element 105 is arranged in unit 101 or light receiver unit 102, i.e. biological characteristic detection device includes one guide-lighting single Member 105.In the present embodiment, the presence of light element 105 improves the efficiency of light transmission, reduces the overall power of device, Also improve the accuracy of detection.

Specifically, described when optical block unit 104 and light element 105 is arranged simultaneously in biological characteristic detection device Optical block unit 104 and the light element 105 are structure as a whole, alternatively, the optical block unit 104 and the leaded light Unit 105 is separate structure.

In the present embodiment, the surface shape towards test surface of the light element 105 and the optical block unit 104 It is arranged to match with the test surface of the biological tissue.If test surface is plane, the light element 105 and the optics The surface towards test surface of block unit 104 is plane；If test surface is arcwall face, the light element 105 and institute The surface towards test surface for stating optical block unit 104 is arcwall face；If test surface is irregular curved surface, described to lead The surface towards test surface of light unit 105 and the optical block unit 104 is similarly irregular curved surface.It needs to illustrate It is that the needs that can be designed according to structure only detect direction in the light element 105 or the optical block unit 104 The surface shape in face is arranged to match with the test surface of the biological tissue.

In an other embodiment, on the basis of above-mentioned Fig. 1 embodiment, biological characteristic detection device can also include: Processing circuit, the processing circuit are used to carry out the raw electrical signal analog-to-digital conversion to form digital signal and to the number Signal is filtered；And/or, further includes: control circuit, the control circuit for control the light transmitting unit to Biological tissue emits light.

It should be noted that the function of processing circuit can be extended according to actual needs, it is not only limited to modulus and turns It changes, be filtered.

In an other embodiment, on the basis of above-mentioned Fig. 1 embodiment, biological characteristic detection device can be with: processor, The processor is used to carry out the detection of biological characteristic according to the raw electrical signal.The processor is according to the original telecommunications Number carry out biological characteristic detection when, can be specifically from the number after processing circuit has carried out analog-to-digital conversion, filtering processing Biological characteristic signal is extracted in signal；Either, analog-to-digital conversion, filtering processing etc. are directly carried out to raw electrical signal by processor Carry out the detection of biological characteristic signal again later.It should be noted that processor can be independent increased microprocessor, it can also To share the processor for the terminal connecting with earphone.

Fig. 2 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application two；As shown in Fig. 2, the present embodiment In by taking configuration schematic diagram as an example, identical with above-mentioned Fig. 1 embodiment is that biological characteristic detection device equally includes: light Transmitting unit 101, light receiver unit 102, unlike the embodiments above, biological characteristic detection device includes: flexible part Part 106 and two pieces of substrates, two pieces of substrates are respectively first substrate 107, the second substrate 108, and the light transmitting unit 101 is set It sets on the first substrate 107, the light receiver unit 102 is arranged in the second substrate 108.In the present embodiment, The first substrate 107 and the second substrate 108 are hard substrate, and the compliant member 106 is flexible circuit board.Hard Substrate is such as the not bent structure such as compoboard of pcb board or FPC and stiffening plate, flexible circuit board be such as FPC, FFC is directly the bent structures such as the set of electrical appliance connecting wire.

It should be noted that alternatively, the light transmitting unit 101 and the light receiver unit 102 can also be with It is arranged on same rigid substrates or flexible base board.

In the present embodiment, the light transmitting unit 101 is approximately column source, and the light receiver unit 102 is approximately Planar array, to receive light as far as possible with biggish light sensing area.

In the present embodiment, pass through the flexible part between the light transmitting unit 101 and the light receiver unit 102 The connection of part 106 (including but not limited to physical connection and/or electric appliance connection), the compliant member is for adjusting the light transmitting Relative position and/or relative angle between unit 101 and the light receiver unit 102.

Optionally, in the present embodiment, the relative position is the light transmitting unit 101 and the light receiver unit Linear distance between 102 geometric center, and/or, the relative angle is the light transmitting unit 101 and the light Normal angle between the outer surface of receiving unit 102.

Optionally, in any embodiment of the application, the light receiver unit 102 is towards the outer surface of test surface The normal parallel of normal and the test surface；And/or the method for outer surface of the light transmitting unit 101 towards test surface The normal parallel of line and the test surface.

It should be noted that alternatively, one of the first substrate and the second substrate be flexible base board or The two is flexible base board.Further, flexible portion can be the part-structure of flexible base board.

In an other embodiment, above-mentioned light transmitting unit 101, light receiver unit 102 can physically with institute Stating processing circuit is separate structure, can also be with the processing circuit, control circuit, the integrated structure of processor.

In an other embodiment, above-mentioned light transmitting unit 101, light receiver unit 102, processing circuit, MCU are in object It is mutually discrete separate structure in reason, also can integrate and be formed as one chip structure.

It may include multiple light transmitting units and a light in an other embodiment, in biological characteristic detection device Line receiving unit, to improve the emission effciency of light.

It may include multiple light receiver units and a light in an other embodiment, in biological characteristic detection device Line receiving unit, to improve the receiving efficiency of light.

In the above-mentioned embodiment including compliant member, due to the presence of compliant member, it is single can arbitrarily to adjust light transmitting Relative position, relative angle between member and light receiver unit, so that biological characteristic detection device can be adapted on the whole In addition the test surface of arbitrary shape improves the quality of raw electrical signal.

In addition, when embodiment shown in Fig. 2 being applied on the specific product of subsequent earphone, light transmitting unit and light The adjustment of relative position, relative angle between receiving unit, so that the structure of earphone complete product is more compact.

Fig. 3 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application three；As shown in figure 3, the present embodiment In stress to illustrate compliant member in above-mentioned Fig. 2 as an individual structural member, how with first substrate shown in Fig. 2, The second substrate connection.

In the present embodiment, for light transmitting unit 101, light receiver unit 102, need to be respectively configured driving electricity Road and detection circuit, and in circuit design, driving circuit and detection circuit are generally all integrated in control chip, and are controlled Chip may be placed in this side of first substrate 107 or the light receiver unit at 101 place of light transmitting unit as a whole This side of the second substrate 108 where 102, thus may result in the detection circuit of light receiver unit 102 not with light Receiving unit 102 be located on same substrate be the second substrate 108 on, alternatively, the driving circuit of light transmitting unit 101 not with It is on first substrate 107 that light transmitting unit 101, which is located on same substrate,.For this purpose, in view of above-mentioned light receiver unit 102 Detection circuit is not located on same substrate with light receiver unit 102, alternatively, the driving circuit of light transmitting unit 101 is simultaneously It is not located on same substrate with light transmitting unit 101.In the present embodiment, since compliant member 106 is to be totally independent of One structural member of one substrate, the second substrate, wherein it is configured with electrical appliance connecting wire, when being connect with first substrate, the second substrate, Guarantee that light receiver unit 102 cooperates with work between its detection circuit or light transmitting unit 101 and its driving circuit Make, such as if light receiver unit 102 and its detection circuit not on the same substrate, detection circuit and light receiver unit Between 102 electric appliance communication can be carried out by the electrical appliance connecting wire in compliant member 106.Therefore, the compliant member 106 passes through the One plug 107-1, the second plug 108-1 are connected with the corresponding first substrate and the second substrate respectively, simultaneously Also being able to achieve between the light transmitting unit and the light receiver unit has adjustable relative position and/or relative angle Degree.

In other embodiments, above-mentioned first plug 107-1, the second plug 108-1 can also be substituted by pad.

Fig. 4 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application four, real with above-mentioned Fig. 2 or Fig. 3 It applies unlike example, the first substrate 107 and the second substrate 108 are multilayered structure, the compliant member both ends difference Be embedded in the first substrate and the multilayered structure of the second substrate with respectively with the corresponding first substrate and described The connection of two substrates.For example, the structure referring to compliant member is double-layer structure, first substrate and the second substrate made of flexible material Multilayered structure in being made of flexible material for two layers with neighbouring positional relationship (be equivalent to first substrate and the second substrate For Rigid Flex), therefore, in processing, directly by the both ends of compliant member 106 respectively and in first substrate and the second substrate The docking of adjacent two layers plate made of flexible material, and closed with other laminations in first substrate, while in order to realize that electric appliance connects, In the region setting via hole that compliant member and other laminations are closed to realize that electric appliance is connect, be equivalent to instead of above-mentioned plug or Pad.

In the present embodiment, by taking first substrate 107 and the second substrate 108 are respectively the pcb board of four-layer structure as an example, i.e., first Substrate 107 includes four layers, is respectively as follows: first layer pcb board 107a, second layer pcb board 107b, third layer pcb board from top to bottom 107c, the 4th layer of pcb board 107d.The second substrate 108 includes four layers, is respectively as follows: first layer pcb board 108a, second from top to bottom Layer pcb board 108b, third layer pcb board 108c, the 4th layer of pcb board 108d.

Specifically, the wherein double-layer structure in second layer pcb board 107b and third layer pcb board 107c and compliant member 106 Corresponding, therefore, one end of compliant member 106 is sandwiched in first layer pcb board 107a and the 4th layer of pcb board in first substrate 107 Between 107d.Equally, the other end of compliant member 106 is sandwiched in the second substrate 108 first layer pcb board 108a and the 4th layer Between pcb board 108d.

Fig. 5 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application five, as shown in figure 5, with above-mentioned Fig. 4 Embodiment is compared, and selectively only presses to one end of compliant member 106 in first substrate 107, to realize compliant member 106 one end is embedded in the first substrate 107, and the other end of compliant member 106 passes through the second plug 108-1 and first Substrate connection, for this purpose, first substrate 107 can be Rigid Flex, and the second substrate 108 is hard substrate.

Appoint so that first substrate 107 is four-layer structure as an example, i.e., first substrate 107 includes four layers, is respectively as follows: the from top to bottom One layer of pcb board 107a, second layer pcb board 107b, third layer pcb board 107c, the 4th layer of pcb board 107d, in first substrate 107 Second layer pcb board 107b and third layer pcb board 107c are corresponding with the double-layer structure in compliant member 106, meanwhile, compliant member 106 one end is sandwiched between first layer pcb board 107a and the 4th layer of pcb board 107d in first substrate 107.And compliant member 106 other end directly passes through the second plug 108-1 and connect with the second substrate 108.

It should be noted that the structure level number of first substrate 107 and the second substrate 108 is only to show in above-described embodiment Example, actually first substrate 107 and the second substrate 108 are also possible to 6 layers, 8 layers.

Alternatively, it is also possible to embodiment referring to Figure 5, it is also referred to the side of above-mentioned compliant member insertion first substrate Above-mentioned one end of compliant member in Fig. 5 is connect by way of plug with first substrate by formula, and in addition by compliant member One end is embedded in the second substrate.

It should be noted that the above-mentioned mode being pressed together is only to realize compliant member insertion first substrate and/or the Other equivalent substitutes also can be used for those in the field in a kind of optional way of two substrates under the inspiration of the application Mode.

Certainly, in other embodiments, if the first substrate and the second substrate are base with multi-layer structure Plate, any layer is made of flexible material and extends out to the second substrate and in the multilayered structure of the first substrate Any layer connects in the multilayered structure of two substrates；Alternatively, any layer is by flexible material system in the multilayered structure of the second substrate At and extend out to the first substrate and connect with any layer in the multilayered structure of first substrate so that the light is sent out Penetrating has adjustable relative position and/or relative angle between unit and the light receiver unit.

Fig. 6 is the structural schematic diagram of biological characteristic detection device in the embodiment of the present application six；In the present embodiment, biological characteristic Detection device 1 is realized in the form of earphone, alternatively, can be regarded as the biological characteristic detection device by shown in is integrated into existing earphone In structure, in order to clearly illustrate the application of biological characteristic detection device, the ear as biological tissue is illustrated in Fig. 1 simultaneously Pieces 2.When realizing biological characteristic detection with Headphone structure, the position of test surface on light transmitting unit and light receiver unit and ear Relationship embodiment as described below is set to record.When test surface setting is at these following positions, while the structure of conventional earphone is changed It is dynamic smaller, and wear comfort is good.

Fig. 7 is the candidate region schematic diagram of the test surface of ear in the embodiment of the present application seven；As shown in fig. 7, corresponding to State Fig. 6, the Partial Feature of ear 2 include: helix 201, anthelix 202, concha auriculae 203, antitragus 204, fossa triangularis 205, to ear Wheel leftover bits and pieces 206, cymba 207, crus helicis 208, tragus superior thyroid notch 209, external ear hole 210, ear canal 211, tragus 212, tragus Between incisura 213.

In following embodiments, by this specific product form of earphone come for realizing biological characteristic detection device, for this purpose, being The characteristic area of the more preferably ear shown in above-mentioned Fig. 7 determines test surface, passes through artery to ear different characteristic region point It is after the carry out comprehensive analysis of branch, venous tributary and flatness, arterial branch, venous tributary density is larger, it is more smooth Characteristic area is as test surface.

For this purpose, illustratively, light transmitting unit and/or light receiver unit are arranged in tragus 211 in following embodiments Inside region or, intertragic incisure 212 on the connecting line at external ear hole 210, the ear clip cavity region of concha auriculae 203, extend to Region, 203rd area of concha auriculae between the region of tragus superior thyroid notch 209, inferior crura of antihelix 206 (or anthelix 202) and crus helicis 208 Domain, 207 region of cymba, ear-lobe region (not shown), alternatively, crus helicis, alternatively, by crus helicis, ear hole mouth, close to right The region etc. that the anthelix of tragus surrounds, for different users, the form in these regions is relatively stable, i.e., so that Biological characteristic detection device is preferable to the compatibility of different user ear, to relatively easily generate the higher detection of signal-to-noise ratio Signal, it is ensured that biological characteristic detection accuracy.

In one embodiment, light transmitting unit and the setting of light receiver unit are by crus helicis, ear hole mouth, close The region D that the anthelix of antitragus surrounds, light transmitting unit and light receiver unit in biological characteristic detection device with should Test surface fits closely, since position arteriovenous distribution herein is more concentrated, obtained raw electrical signal noise compares Greatly, the interference free performance of raw electrical signal is stronger, further ensures biological characteristic detection accuracy.In addition, due to not similar shape The ear of shape difference on the D of region is smaller, therefore, if biological characteristic detection device is integrated on earphone, can make ear Machine preferably to the compatibility of ear, the scope of application of earphone is wider, earphone for the signal detection of various users accuracy more It is high.

Fig. 8 A, Fig. 8 B are the signal of the sample raw electrical signal filtering front and back of tragus inside region in the embodiment of the present application eight Figure；As shown in Fig. 8 A, 8B, the variation of raw electrical signal is more steady, and quality is higher, it can be seen that, in 212 inside of tragus Region arterial branch, venous tributary and flatness meet the condition as test surface.

Fig. 9 is wearing schematic of the earphone on ear in the embodiment of the present application nine；As shown in figure 9, in the present embodiment, When carrying out biological characteristic detection, the light receiver unit 102 and the light transmitting unit 101 and 212 inside region of tragus Fitting specifically can be by being arranged a reference line R, by the light receiver unit 102 and the light transmitting unit 101 with 212 inside region of tragus when being bonded, so that the geometry of the light receiver unit 102 and the light transmitting unit 101 Center is respectively positioned on reference line R.Since arterial branch, the distribution of venous tributary are closeer at 212 inside region of tragus, and it is flat Whole degree be preferably the light receiver unit 102 and the light transmitting unit 101 and 212 inside region of tragus as much as possible without Seam fitting.

In the present embodiment, in order to enable the light receiver unit 102 and the light transmitting unit 101 and tragus 212 The light receiver unit 102 and the light transmitting unit 101 can be integrated in after earphone worn by inside region fitting At the shell position that can be bonded with 212 inside region of tragus, without any auxiliary body is increased, so that including the light receiver The biological characteristic detection device of unit 102 and the light transmitting unit 101 is fitted closely with tragus inside region on the whole.

Figure 10 is wearing schematic of the earphone on ear in the embodiment of the present application ten；As shown in Figure 10, in the present embodiment, It is identical with above-mentioned Fig. 9 embodiment nine to be, although when carrying out biological characteristic detection, the light receiver unit 102 and described Light transmitting unit 101 is bonded with tragus inside region, still, in the specific bonding position of 212 inside region of tragus far from outer Ear hole mouth, since arterial branch, the distribution of venous tributary are closeer at 212 inside region of tragus, and flatness is preferably i.e. described Light receiver unit 102 and the light transmitting unit 101 and tragus inside region are seamless applying as much as possible.

In the present embodiment, similar above-mentioned embodiment shown in Fig. 9, in order to enable the light receiver unit 102 and described Light transmitting unit 101 is bonded with 212 inside region of tragus, the light receiver unit 102 and the light can be emitted Unit 101 is integrated at the shell position that can be bonded with 212 inside region of tragus after earphone is worn, without any auxiliary of increase Mechanism, so that the biological characteristic detection device including the light receiver unit 102 and the light transmitting unit 101 is on the whole It is fitted closely with tragus inside region.

Figure 11 is wearing schematic of the earphone on ear in the embodiment of the present application 11；As shown in figure 11, the present embodiment In, identical with above-mentioned Fig. 9 to be, when carrying out biological characteristic detection, the light receiver unit 102 is pasted with tragus inside region It closes, the light transmitting unit 101 is further located at intertragic incisure and external ear hole join domain and simultaneously with tragus, to ear The characteristic area fitting that screen, intertragic incisure surround.Since 212 inside region of tragus and intertragic incisure and external ear hole connect The distribution for connecing the arterial branch, venous tributary in region is closeer, and flatness is preferable, to guarantee the light receiver unit 102 It is seamless applying as much as possible with the light transmitting unit 101 and ear.

It should be noted that in other embodiments, the light transmitting unit 101 is bonded with tragus inside region, institute State light receiver unit 102 be further located at intertragic incisure and external ear hole join domain and simultaneously with tragus, antitragus, ear The characteristic area fitting that intertragic notch surrounds.

In the present embodiment, similar above-mentioned embodiment shown in Fig. 9, in order to enable the light receiver unit 102 and described Light transmitting unit 101 is fitted closely with 212 inside region of tragus, intertragic incisure and external ear hole join domain, can be incited somebody to action The light receiver unit 102 and the light transmitting unit 101 are integrated in after earphone is worn can be with 212 inside region of tragus It is any without increasing at the shell position being bonded at the shell position of fitting, with intertragic incisure and external ear hole join domain Auxiliary body, so that the biological characteristic detection device including the light receiver unit 102 and the light transmitting unit 101 is whole It is fitted closely on body with ear.

Figure 12 is wearing schematic of the earphone on ear in the embodiment of the present application 12；As shown in figure 12, the present embodiment In, the light transmitting unit 101 and the light receiver unit 102 are respectively positioned on intertragic incisure and external ear hole join domain And the characteristic area surrounded simultaneously with tragus, antitragus, intertragic incisure is bonded.

In the present embodiment, embodiment shown in similar above-mentioned Figure 12, in order to enable the light receiver unit 102 and described Light transmitting unit 101 is fitted closely with intertragic incisure and external ear hole join domain, can be by the light receiver unit 102 and the light transmitting unit 101 be integrated in after earphone is worn and can be pasted with intertragic incisure and external ear hole join domain At the shell position of conjunction, without any auxiliary body is increased, so that including that the light receiver unit 102 and the light emit The biological characteristic detection device of unit 101 is fitted closely with tragus inside region on the whole.

Figure 13 is wearing schematic of the earphone on ear in the embodiment of the present application 13；As shown in figure 13, the light Receiving unit 102 and the light transmitting unit 101 are bonded with the region between inferior crura of antihelix and crus helicis.

In the present embodiment, earphone can also include: to wear auxiliary body 110, the light receiver unit 102 and the light Line transmitting unit 101 is arranged in the wearing auxiliary body 110, so that the light receiver unit 102 and the light Region between transmitting unit 101 and the inferior crura of antihelix and crus helicis is bonded.

In an other embodiment, similar Figure 13, the light receiver unit 102 and the light transmitting unit 101 with Region fitting between anthelix and crus helicis.

In an other embodiment, wearing can be detachable between auxiliary body 110 and earphone, to be given birth to Supplementary structure 110 will be worn when object feature detects to be assembled on earphone, and when not needing to carry out biological characteristic detection, it will wear Supplementary structure 110 is disassembled from earphone, to facilitate earphone and wear the flexible use of auxiliary body 110.

In the specific implementation, wearing auxiliary body 110 can be fixed on the shell of earphone with one end, light described in other end Line receiving unit 102 and the light transmitting unit 101.

Figure 14 is earphone wearing schematic on ear in the embodiment of the present application 14；As shown in figure 14, in the present embodiment, The light receiver unit 102 and the light transmitting unit 101 are bonded with cymba region；In other embodiments, institute One of light receiver unit 102 and the light transmitting unit 101 is stated to be bonded with cymba region.

In above-mentioned Fig. 9-Figure 14 embodiment, the detection of biological characteristic is carried out based on light principle of reflection.However, it is desirable to say It is bright, corresponding adjustment can be done to the setting position of above-mentioned light transmitting unit 101 or light receiver unit 102, with The detection of biological characteristic is carried out based on light projection principle.

In an other embodiment, the light receiver unit 102 is bonded with cymba region, the light transmitting unit 101 hard of hearing region fittings corresponding with cymba region accordingly can carry out the inspection of biological characteristic based on light projection principle It surveys.

Figure 15 is earphone wearing schematic on ear in the embodiment of the present application 15；As shown in figure 15, the light connects It receives unit 102 and the light transmitting unit 101 is bonded with ear-lobe region.It, can be by the light receiver in the present embodiment The same side in ear-lobe region is arranged in unit 102 and the light transmitting unit 101, accordingly, can be based on light reflection principle Carry out the detection of biological characteristic.

In addition, if the light receiver unit 102 and the light transmitting unit 101 are separately positioned on ear-lobe region Two sides the detection of biological characteristic accordingly can be carried out based on light projection principle, be the embodiment of the present application ten referring to Figure 16 Wearing schematic of the earphone on ear in six.

Figure 17 is wearing schematic of the earphone on ear in the embodiment of the present application 17；As shown in figure 17, with above-mentioned reality It applies unlike example, three pairs of light transmitting units 101 and light receiver unit 102 is set on earphone.Specifically, such as Figure 17 Shown, a pair of of light hair is respectively set in region, ear clip cavity region between tragus inside region, inferior crura of antihelix and crus helicis Penetrate unit 101 and light receiver unit 102.

Figure 18 is wearing schematic of the earphone on ear in the embodiment of the present application 18；As shown in figure 18, this city is implemented In example, Flexible element 109 is increased, the Flexible element 109 makes the light transmitting single when carrying out biological characteristic detection The test surface of member 101 and the light receiver unit 102 and the ear fits closely.In the present embodiment, with reality shown in Fig. 8 It applies for increasing Flexible element on the basis of example, as shown in figure 18, Flexible element 109 is arranged far from around the ear at external ear hole Region, so that the test surface that can extrude the light transmitting unit 101 and the light receiver unit 102 and the ear is close Fitting.

Alternatively, in other embodiments, it is also possible that Flexible element 109 is only to the light transmitting unit 101 It is squeezed with one of the light receiver unit 102 formation, so that the light transmitting unit 101 or light receiver unit that are extruded 102 fit closely with the test surface of the ear.

In the embodiment for including Flexible element 109, even if during the motion, light transmitting unit 101 and/or light Receiving unit 102 and the test surface of the ear can be closely adhered to, can prevent biological characteristic detection device and test surface it Between opposite sliding occurs, to improve the stability and intensity of detection signal, weaken or eliminate movement pair at the same time The negative effect of detection information signal-to-noise ratio further improves the signal-to-noise ratio of raw electrical signal.

In above-described embodiment, Flexible element 109 can be made of soft silica gel material.Flexible element 109 specifically can be set In earphone outer covering.

Figure 19 is the schematic diagram of intertragic incisure and collar extension hole join domain in the embodiment of the present application 19；Such as Figure 19 institute Show, there are a plurality of connecting lines with collar extension hole join domain for intertragic incisure, or to form connection race, emit in setting light When unit or light receiver unit, it can be specifically set on any connecting line of connection race.

In above-described embodiment, light emitters can specifically be made of LED light or LED pipe, and light receiver is concretely It is made of photodiode.

The apparatus embodiments described above are merely exemplary, wherein described, module can as illustrated by the separation member It is physically separated with being or may not be, the component shown as module may or may not be physics mould Block, it can it is in one place, or may be distributed on multiple network modules.It can be selected according to the actual needs In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness Labour in the case where, it can understand and implement.

Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the application range.Obviously, those skilled in the art can be to the application Various modification and variations are carried out without departing from spirit and scope.If in this way, these modifications and variations of the application Belong within the scope of the claim of this application and its equivalent technologies, then the application is also intended to encompass these modification and variations and exists It is interior.

Claims (18)

1. a kind of biological characteristic detection device characterized by comprising light transmitting unit, light receiver unit, the light Transmitting unit is used to emit to biological tissue light, and the light of the light transmitting unit transmitting is by after the tissue processing Light receiver unit described in directive, the light receiver unit are gone forward side by side for receiving the light after the tissue processing To generate the raw electrical signal for carrying out biological characteristic detection, the light transmitting unit and the light connect row photoelectric conversion Receiving has adjustable relative position and/or relative angle between unit.

2. detection device according to claim 1, which is characterized in that the light transmitting unit is arranged in first substrate On, the light receiver unit is arranged in the second substrate.

3. detection device according to claim 2, which is characterized in that further include: compliant member, the compliant member pass through Pad or plug are connect with the first substrate and the second substrate respectively, so that the light transmitting unit and the light There is adjustable relative position and/or relative angle between receiving unit.

4. detection device according to claim 2, which is characterized in that the first substrate and the second substrate are multilayer Structure, accordingly, the detection device further include: at least one end of compliant member, the compliant member is embedded in first base To connect respectively with the corresponding first substrate and/or the second substrate in plate and/or the multilayered structure of the second substrate It connects, so as to have adjustable relative position and/or relative angle between the light transmitting unit and the light receiver unit.

5. detection device according to claim 2, which is characterized in that the first substrate and the second substrate are multilayer Structure, in the multilayered structure of the first substrate any layer be made and extend out to of flexible material the second substrate and with Any layer connects in the multilayered structure of the second substrate；Alternatively, any layer is by flexible material in the multilayered structure of the second substrate It is made and extends out to the first substrate and connect with any layer in the multilayered structure of first substrate, so that the light There is adjustable relative position and/or relative angle between transmitting unit and the light receiver unit.

6. detection device according to claim 1, which is characterized in that further include: optical block unit, for blocking or inhaling The light that the light transmitting unit is launched is received, the light launched to avoid light transmitting unit is without the biological tissue The optical receiver unit is directly reached after processing；And/or, further includes: light element, for guiding the light transmitting unit The light launched to the biological tissue test surface and/or be directed through the light after the tissue processing to described Light receiver unit.

7. detection device according to claim 6, which is characterized in that the optical block unit and the light element are Integral structure, alternatively, the optical block unit and the light element are separate structure.

8. detection device according to claim 6, which is characterized in that the light transmitting unit and the light receiver list The light element is provided in member, the light element on the light transmitting unit and leading on the light receiver unit Light unit is structure as a whole or separate structure.

9. detection device according to claim 6, which is characterized in that the light element and/or the optical block list The surface shape of member is matched with the shape of the test surface of the biological tissue.

10. detection device according to claim 1 to 9, which is characterized in that further include: processing circuit, it is described Processing circuit is used to carry out the raw electrical signal analog-to-digital conversion to form digital signal and be filtered the digital signal Processing；And/or, further includes: control circuit, the control circuit emit for controlling the light transmitting unit to biological tissue Light.

11. detection device according to claim 1, which is characterized in that further include: processor, the processor are used for root The detection of biological characteristic is carried out according to the raw electrical signal.

12. detection device according to claim 10, which is characterized in that the relative position is the light transmitting unit Linear distance between the geometric center of the light receiver unit, the relative angle are the light transmitting unit and institute Normal angle where stating light receiver unit between plane.

13. detection device according to claim 1, which is characterized in that the biological characteristic is based on photoplethaysmography The heart rate feature or blood oxygen feature of signal.

14. detection device according to claim 10, which is characterized in that the biological tissue is ear, is carrying out biology When feature detects, the light receiver unit and/or the light transmitting unit are bonded with tragus inside region；Alternatively, described Light receiver unit and/or the light transmitting unit are bonded with the region between inferior crura of antihelix and crus helicis；Alternatively, described Light receiver unit and/or the light transmitting unit are bonded with the region between anthelix and crus helicis, alternatively, the light Receiving unit and/or the light transmitting unit are bonded with cymba region；Alternatively, the light receiver unit and/or described Light transmitting unit is bonded with ear-lobe region；Alternatively, the light receiver unit and/or the light transmitting unit are located at concha auriculae Cavity region；Alternatively, the light receiver unit and/or the light transmitting unit are located at by crus helicis, ear hole mouth, close to ear The region that the anthelix of screen surrounds.

15. detection device according to claim 14, which is characterized in that if the light receiver unit and tragus medial area Domain fitting, then the light transmitting unit is located at join domain below intertragic incisure and external ear hole；Alternatively, if the light Transmitting unit is bonded with tragus inside region, then the light receiver unit is located at connection below intertragic incisure and external ear hole Region.

16. detection device according to claim 14, which is characterized in that further include: auxiliary body is worn, the light connects It receives unit and the light transmitting unit to be arranged in the wearing auxiliary body, so that the light receiver unit and described The region between inferior crura of antihelix and crus helicis is arranged in light transmitting unit；Alternatively, so that the light receiver unit and The region between anthelix and crus helicis is arranged in the light transmitting unit.

17. -9 described in any item detection devices according to claim 1, which is characterized in that further include: Flexible element, the bullet Property unit make the light transmitting unit and the light receiver unit and the biological group when carrying out biological characteristic detection It knits and fits closely.

18. a kind of electric terminal, which is characterized in that including the described in any item detection devices of claim 1-17.