WO2023109830A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2023109830A1
WO2023109830A1 PCT/CN2022/138761 CN2022138761W WO2023109830A1 WO 2023109830 A1 WO2023109830 A1 WO 2023109830A1 CN 2022138761 W CN2022138761 W CN 2022138761W WO 2023109830 A1 WO2023109830 A1 WO 2023109830A1
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WO
WIPO (PCT)
Prior art keywords
light
shielding structure
support plate
cover body
electronic device
Prior art date
Application number
PCT/CN2022/138761
Other languages
English (en)
French (fr)
Inventor
黄嘉恩
罗雷
Original Assignee
维沃移动通信有限公司
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Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2023109830A1 publication Critical patent/WO2023109830A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02438—Detecting, measuring or recording pulse rate or heart rate with portable devices, e.g. worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/377—Electroencephalography [EEG] using evoked responses
    • A61B5/381—Olfactory or gustatory stimuli

Definitions

  • the present application belongs to the technical field of terminals, and specifically relates to an electronic device.
  • the built-in heart rate sensor (light-emitting element and photosensitive element) of the smart watch is close to the skin.
  • the light-emitting element can be a light-emitting diode (Light Emitting Diode, LED).
  • the light beam is irradiated on the surface of the skin. Based on the principle of blood absorption of light, the reflected light intensity will change accordingly.
  • the photosensitive element can be a photo detector (Photo Detector, PD), and the heart rate can be analyzed and monitored by measuring the change of reflected light intensity through the photosensitive element.
  • the light emitted by the light-emitting element is scattered, and will irradiate the photosensitive element to form optical crosstalk, which affects the accuracy of the measurement.
  • the purpose of the embodiment of the present application is to provide an electronic device to solve the problem that in the process of monitoring the heart rate of the existing smart wearable watch through the photoelectric measurement method, the light emitted by the light-emitting element will irradiate the photosensitive element after scattering to form optical crosstalk, which affects the measurement accuracy. question of degree.
  • An embodiment of the present application provides an electronic device, including:
  • cover body and a support plate are sequentially arranged along the thickness direction of the cover body
  • a light-emitting unit and a photosensitive unit, the light-emitting unit and the photosensitive unit are arranged at intervals between the cover and the support plate, and the area on the cover corresponding to the light-emitting unit and the photosensitive unit is transparent. light area;
  • the light-shielding structure is arranged between the light-emitting unit and the light-sensitive unit, the light-shielding structure can be deformed along a direction close to at least one of the cover body and the support plate, and the light-shielding structure When the structure is deformed, one side of the light shielding structure stops against the surface of the cover, and the other side of the light shielding structure stops against the surface of the support plate.
  • the light shielding structure extends around the circumferential direction of the light emitting unit.
  • the light-shielding structure is ring-shaped, the light-shielding structure extends around the circumferential direction of the light-emitting unit, and the light-sensing unit is arranged on the outer periphery of the light-shielding structure.
  • the plurality of photosensitive units are arranged at intervals along the periphery of the light shielding structure.
  • the shading structure includes:
  • the magnetostrictive element includes:
  • a magnetostrictive material and a cladding layer the magnetostrictive material is clad in the cladding layer, the cladding layer is deformable, and when a magnetic field is applied to the magnetostrictive material, the magnetic The stretchable material can drive the cladding layer to deform along a direction close to at least one of the cover body and the support plate.
  • the covering layer is an elastic layer.
  • a magnet for applying a magnetic field to the magnetostrictive element is provided.
  • the shading structure includes:
  • the electrostrictive element is capable of deforming in a direction close to at least one of the cover body and the support plate when a voltage is applied.
  • the shading structure includes:
  • a filling body having a cavity therein;
  • the gas supply mechanism is used to inflate the cavity, and when the gas supply mechanism inflates the cavity, the filling body can move along the A directional deformation of at least one of the plates.
  • the gas supply mechanism includes:
  • a delivery pump and a pipe body one end of the pipe body communicates with the cavity, and the other end of the pipe body communicates with the delivery port of the delivery pump.
  • the filling body is an elastic material piece.
  • control module is used to control the deformation of the light-shielding structure along a direction close to at least one of the cover and the support plate, when the control module controls the deformation of the light-shielding structure
  • the control module controls the deformation of the light-shielding structure
  • the cover is provided with a first groove, and one side of the light-shielding structure is located in the first groove; and/or
  • a second groove is provided on the support plate, and the other side of the light-shielding structure is located in the second groove.
  • the supporting board is a circuit board.
  • the light-emitting unit and the photosensitive unit are arranged on the support plate, and the light-shielding structure is arranged on the cover.
  • a detection module the detection module is used to detect the heart rate according to the light signal received by the photosensitive unit.
  • the electronic device of the embodiment of the present application includes: a cover body and a support plate, the cover body and the support plate are arranged in sequence along the thickness direction of the cover body; a light emitting unit and a photosensitive unit, the light emitting unit and the photosensitive unit The units are arranged at intervals between the cover body and the support plate, and the area on the cover body corresponding to the light-emitting unit and the photosensitive unit is a light-transmitting area; a light-shielding structure, the light-shielding structure is arranged on the Between the light-emitting unit and the photosensitive unit, the light-shielding structure can be deformed along a direction close to at least one of the cover body and the support plate, and when the light-shielding structure is deformed, the light-shielding structure One side abuts against the surface of the cover body, and the other side of the light shielding structure abuts against the surface of the support plate.
  • the light-shielding structure in the electronic device of the embodiment of the present application, by providing a light-shielding structure between the light-emitting unit and the photosensitive unit, when the light-shielding structure is deformed, one side of the light-shielding structure stops against the cover The other side of the light-shielding structure stops against the surface of the support plate, the light-shielding structure can fill the gap between the cover and the support plate, and the light between the light-emitting unit and the photosensitive unit can be blocked by the light-shielding structure to avoid
  • the direct light emitted by the light-emitting unit irradiates the photosensitive unit to form optical crosstalk, which can avoid the optical crosstalk caused by assembly deviation, avoid the interference of crosstalk light, improve the photosensitive accuracy of the photosensitive unit, and improve the accuracy of heart rate measurement.
  • Fig. 1 is a schematic diagram of the cooperation of the magnetostrictive member and the support plate
  • Fig. 2 is a schematic structural view of the magnetostrictive element
  • Fig. 3 is a schematic diagram when the magnetostrictive element is in an initial state
  • Fig. 4 is a schematic diagram when the magnetostrictive element is in an extended state
  • Fig. 5 is a schematic diagram of the cooperation of the cover body, the magnetostrictive element and the support plate in the electronic device;
  • FIG. 6 is a schematic diagram of the distribution of the light emitting unit and the photosensitive unit on the support plate;
  • Fig. 7 is a schematic diagram of the cooperation between the filling body and the support plate
  • Fig. 8 is a schematic diagram of the connection between the filling body and the delivery pump
  • Fig. 9 is a schematic diagram of the cooperation of the cover body, the filling body and the support plate in the electronic device;
  • Fig. 10 is a schematic diagram of setting the second groove on the support plate.
  • Magnetostrictive member 40 Magnetostrictive material 41; Covering layer 42;
  • Filling body 50 ; delivery pump 51 ; tube body 52 .
  • the electronic device of the embodiment of the present application includes: a cover body 10, a support plate 20, a light-emitting unit 31, a photosensitive unit 32 and a light-shielding structure, wherein the cover body 10 and the support plate 20 are arranged along the cover body.
  • the thickness direction of 10 is arranged sequentially, the cover body 10 and the support plate 20 can be arranged at intervals along the thickness direction of the cover body 10, the cover body 10 and the support plate 20 can be connected together, and the cover body 10 and the support plate 20 are detachably connected.
  • the light-emitting unit 31 and the photosensitive unit 32 can be arranged at intervals between the cover body 10 and the support plate 20, the light-emitting unit 31 and the photosensitive unit 32 can be installed on the cover body 10 or the support plate 20, and the light-emitting unit 31 and the photosensitive unit on the cover body 10
  • the area corresponding to the unit 32 is a light-transmitting area, and the light-transmitting area may be a light-transmitting hole or a transparent area.
  • the light-emitting unit 31 can be a light-emitting diode.
  • the light-emitting unit 31 can emit light.
  • the light emitted by the light-emitting unit 31 can be detected by the photosensitive unit 32 after being reflected, and then the heart rate can be detected according to the light signal detected by the photosensitive unit 32 .
  • the light-shielding structure can be arranged between the light-emitting unit 31 and the light-sensitive unit 32, and the light-shielding structure can be deformed along a direction close to at least one of the cover body 10 and the support plate 20.
  • one side of the light-shielding structure can be Stop against the surface of the cover body 10
  • the other side of the light-shielding structure can stop against the surface of the support plate 20
  • the gap between the cover body 10 and the support plate 20 can be sealed through the light-shielding structure, to prevent light from passing through the cover body 10 and the support plate 20
  • the gap between them is passed to prevent the direct light emitted by the light emitting unit 31 from irradiating the photosensitive unit 32 to form optical crosstalk and avoid the interference of crosstalk light.
  • the light-shielding structure can automatically fill the gap between the cover 10 and the support plate 20, avoiding direct light crosstalk .
  • the electronic device of the embodiment of the present application by providing a light-shielding structure between the light-emitting unit 31 and the light-receiving unit 32, when the light-shielding structure is deformed, one side of the light-shielding structure stops against the surface of the cover body 10, and the other side of the light-shielding structure One side stops against the surface of the support plate 20, and the light-shielding structure can fill the gap between the cover and the support plate, and the light between the light-emitting unit 31 and the photosensitive unit 32 can be blocked by the light-shielding structure, so as to avoid the direct light emitted by the light-emitting unit 31
  • the optical crosstalk formed on the photosensitive unit 32 can avoid the optical crosstalk caused by assembly deviation, avoid the interference of crosstalk light, improve the photosensitive accuracy of the photosensitive unit 32, and improve the accuracy of heart rate measurement.
  • the light shielding structure extends around the circumferential direction of the light emitting unit 31 , the light shielding structure may surround the light emitting unit 31 , and the light shielding structure may extend around the circumferential direction of the photosensitive unit 32 .
  • the light-shielding structure can also surround the light-sensing unit 32 , by setting the light-shielding structure between the cover and the support plate and between the light-emitting unit 31 and the light-sensing unit 32 , crosstalk of light can be avoided.
  • the light-shielding structure can be ring-shaped, the light-shielding structure can extend around the circumferential direction of the light-emitting unit 31, and the photosensitive unit 32 can be arranged on the outer periphery of the light-shielding structure.
  • the light-emitting unit 31 and the light-sensing unit 32 can be separated, and the light-shielding structure can be filled between the cover body and the support plate and between the light-emitting unit 31 and the light-sensing unit 32, so as to avoid light crosstalk.
  • the light-shielding structure can be ring-shaped, and there can be multiple photosensitive units 32, such as four, a plurality of photosensitive units 32 can be arranged at intervals along the outer periphery of the light-shielding structure, and a plurality of photosensitive units 32 can be evenly spaced along the outer periphery of the light-shielding structure Setting, it can more accurately sense the light in different areas and improve the accuracy of light sensitivity.
  • the light-shielding structure may include: a magnetostrictive element 40 , and when a magnetic field is applied to the magnetostrictive element 40 , the magnetostrictive element 40 may move along the 10 and at least one of the support plate 20, by applying a magnetic field to the magnetostrictive member 40, the magnetostrictive member 40 can be deformed along a direction close to at least one of the cover 10 and the support plate 20.
  • one side of the magnetostrictive element 40 can stop against the surface of the cover body 10, and the other side of the magnetostrictive element 40
  • the side can stop against the surface of the support plate 20, and the gap between the cover body 10 and the support plate 20 can be sealed by the magnetostrictive element 40, so as to prevent light from passing through the gap between the cover body 10 and the support plate 20, and avoid the light emitting unit 31
  • the emitted direct light is irradiated on the photosensitive unit 32 to form optical crosstalk, so as to avoid the interference of crosstalk light.
  • the magnetostrictive element 40 may be annular, the magnetostrictive element 40 may extend around the circumferential direction of the light emitting unit 31 , and the photosensitive unit 32 may be disposed on the outer periphery of the magnetostrictive element 40 .
  • the light-emitting unit 31 and the photosensitive unit 32 can be isolated by the magnetostrictive member 40, and the magnetostrictive member 40 can be filled between the cover body 10 and the support plate 20 and between the light-emitting unit 31 and the photosensitive unit 32, which can avoid light crosstalk.
  • the magnetostrictive member 40 can automatically fill the gap between the cover 10 and the support plate 20 Clearance to avoid crosstalk of light.
  • the magnetostrictive member 40 may include: a magnetostrictive material 41 and a cladding layer 42, the cladding layer 42 may be an opaque layer, and the magnetostrictive material 41 is wrapped in the cladding layer 42, and the cladding layer 42 is deformable.
  • the magnetostrictive material 41 can drive the cladding layer 42 along the direction close to the cover body 10 and the support plate. At least one of the 20 directional deformations.
  • the stretchability of the magnetostrictive element 40 is small; As shown in Figure 4, under the situation that magnetic field is applied to the magnetostrictive material 41, the stretchability of the magnetostrictive element 40 increases , the magnetostrictive material 41 drives the cladding layer 42 to deform along a direction close to at least one of the cover body 10 and the support plate 20 .
  • the magnetostrictive material 41 drives the cladding layer 42 to deform along a direction close to at least one of the cover body 10 and the support plate 20
  • one side of the magnetostrictive element 40 can stop against the surface of the cover body 10
  • the other side of the stretchable part 40 can stop against the surface of the support plate 20, and the gap between the cover body 10 and the support plate 20 can be sealed by the magnetostrictive part 40, so as to prevent light from passing through the gap between the cover body 10 and the support plate 20. Through the gap, the crosstalk of light can be avoided.
  • the magnetostrictive element 40 may include: a magnetostrictive material 41 and a cladding layer 42 , and the magnetostrictive element 40 may include a magnetostrictive material and a flexible and opaque cladding layer.
  • Magnetostrictive materials can be composed of magnetorheological materials and other materials with magnetically controllable damping. This type of material has the characteristics of mutual conversion between electromagnetic energy and mechanical energy, and changes the internal magnetic flux density of the material under the action of a magnetic field. Under the action of a magnetic field, the internal magnetic flux density changes, which can present a high damping situation.
  • the flexible opaque wrapping layer can adopt opaque rubber or soft plastic material, which can be molded and deformed.
  • the covering layer 42 can be an elastic layer, for example, the covering layer 42 can be a rubber layer, and the elastic layer can enhance the sealing between the cover body 10 and the support plate 20 and improve the effect of shielding light.
  • the elastic layer can also reduce relative movement and impact between the cover body 10 and the support plate 20 .
  • the electronic device can also include: a magnet, which can be used to apply a magnetic field to the magnetostrictive member 40, the magnet can be a magnet or an electromagnet, the magnet can be arranged on the cover or the support plate 20, and the magnet can be adjacent to The magnetostrictive member 40 is provided so as to apply a magnetic field to the magnetostrictive material 41 .
  • a magnet which can be used to apply a magnetic field to the magnetostrictive member 40
  • the magnet can be a magnet or an electromagnet
  • the magnet can be arranged on the cover or the support plate 20, and the magnet can be adjacent to
  • the magnetostrictive member 40 is provided so as to apply a magnetic field to the magnetostrictive material 41 .
  • the cover 10 may be equipped with a magnet, which can continuously generate a magnetic field. Under the action of the magnetic field, the magnetic flux density of the magnetostrictive material changes, showing a high damping state. The magnetostrictive material is always in an expanded state, completely filling the cover 10 and the support. The gap between the boards 20 blocks direct light crosstalk between the light emitting unit 31 and the photosensitive unit 32 .
  • the light-shielding structure may include: an electrostrictive element, and when a voltage is applied, the electrostrictive element may deform along a direction close to at least one of the cover body 10 and the support plate 20 .
  • the electrostrictive element when a voltage is applied, the electrostrictive element may deform along a direction close to at least one of the cover body 10 and the support plate 20 .
  • one side of the electrostrictive element can stop against the surface of the cover body 10
  • the other side of the electrostrictive element can Stop against the surface of the support plate 20
  • the gap between the cover body 10 and the support plate 20 can be sealed by the electrostrictive element, so as to prevent the light from passing through the gap between the cover body 10 and the support plate 20 and avoid the direct light emitted by the light emitting unit 31
  • the light is irradiated on the photosensitive unit 32 to form light crosstalk, so as to avoid the interference of crosstalk light.
  • the electrostrictive element can be ring-shaped, the electrostrictive element can extend around the circumferential direction of the light emitting unit 31 , and the photosensitive unit 32 can be arranged on the outer periphery of the electrostrictive element.
  • the light-emitting unit 31 and the photosensitive unit 32 can be separated by the electrostrictive element, and the electrostrictive element can be filled between the cover body 10 and the support plate 20 and between the light-emitting unit 31 and the photosensitive unit 32, so as to avoid light crosstalk .
  • the electrostrictive element can automatically fill the gap between the cover body 10 and the support plate 20, Avoid light crosstalk.
  • the shading structure may include: a filling body 50 and a gas supply mechanism, the filling body 50 has a cavity, and the gas supply mechanism is used to inflate the cavity.
  • the supply mechanism inflates the cavity, the filling body 50 can deform along a direction approaching at least one of the cover body 10 and the support plate 20 .
  • the filling body 50 When the filling body 50 deforms along a direction close to at least one of the cover body 10 and the support plate 20, one side of the filling body 50 can stop against the surface of the cover body 10, and the other side of the filling body 50 can stop against the surface of the cover body 10.
  • the surface of the support plate 20 can seal the gap between the cover body 10 and the support plate 20 through the filler 50 , preventing light from passing through the gap between the cover body 10 and the support plate 20 and avoiding light crosstalk.
  • the filling body 50 can automatically fill the gap between the cover body 10 and the support plate 20 to avoid light crosstalk.
  • the gas supply mechanism may include: a delivery pump 51 and a tube body 52, one end of the tube body 52 communicates with the cavity, and the other end of the tube body 52 communicates with the delivery pump 51.
  • the delivery port is connected.
  • the gas can be delivered to the cavity through the delivery pump 51, so that the filling body 50 can be deformed, and the filling body 50 can be expanded, so that one side of the filling body 50 can stop against the surface of the cover body 10, and the other side of the filling body 50 The side can abut against the surface of the support plate 20 , and the gap between the cover body 10 and the support plate 20 can be sealed by the filling body 50 to avoid crosstalk of light.
  • the delivery pump 51 can pump out gas from the cavity of the filling body 50 through the tube body 52 , so that the filling body 50 shrinks.
  • the delivery pump 51 can be connected with the filling body 50 through the pipe body 52, and the delivery pump 51 can be a micro air pump, which can inflate and deflate the filling body 50 to expand and contract.
  • the delivery pump 51 can be a micro air pump, which can inflate and deflate the filling body 50 to expand and contract.
  • the signal of the photosensitive unit 32 will change, and the micro air pump can inflate the filling body 50 to completely fill the gap between the cover body 10 and the support plate 20, blocking the light emitting unit. 31 and the photosensitive unit 32, the direct optical crosstalk between the light emitting unit 31 and the photosensitive unit 32 can be blocked by the filling body 50 externally connected with the micro air pump.
  • the filling body 50 can be an elastic material piece with elasticity, and the elastic filling body 50 can enhance the sealing between the cover body 10 and the support plate 20, improve the effect of blocking light, and can also reduce the contact between the cover body 10 and the support plate 20.
  • the support plates 20 are relatively movable and collide.
  • the electronic device may further include: a control module, the control module is used to control the deformation of the light-shielding structure along a direction close to at least one of the cover body 10 and the support plate 20, and the control module controls the light-shielding structure.
  • a control module is used to control the deformation of the light-shielding structure along a direction close to at least one of the cover body 10 and the support plate 20, and the control module controls the light-shielding structure.
  • the control module controls the light-shielding structure.
  • one side of the light-shielding structure can stop against the surface of the cover body 10
  • the other side of the light-shielding structure can stop against the surface of the support plate 20 .
  • the light-shielding structure can seal the gap between the cover body 10 and the support plate 20 , prevent light from passing through the gap between the cover body 10 and the support plate 20 , and avoid light crosstalk.
  • the cover 10 may be provided with a first groove 11, and one side of the light-shielding structure is located in the first groove 11, so that the light-shielding structure can be stably matched with the cover 10 for light-shielding. Improve shading effect.
  • a second groove 21 may be provided on the supporting plate 20, and the other side of the light-shielding structure is located in the second groove 21, so that the light-shielding structure can be stably matched with the supporting plate 20 to improve the light-shielding structure. Effect, but also can reduce the space occupied.
  • the supporting board 20 may be a circuit board, and the light emitting unit 31 and the photosensitive unit 32 may be disposed on the circuit board.
  • the light emitting unit 31 and the photosensitive unit 32 can be arranged on the support plate 20, the light-shielding structure can be arranged on the cover body 10, a receiving groove can be provided on the support plate 20, and the light emitting unit 31 and the photosensitive unit 32 can be arranged Being arranged in the receiving groove can not only reduce space occupation, but also reduce light crosstalk between the light emitting unit 31 and the photosensitive unit 32 .
  • the electronic device may further include: a detection module, which may be used to detect the heart rate according to the light signal received by the photosensitive unit 32 .
  • a detection module which may be used to detect the heart rate according to the light signal received by the photosensitive unit 32 .

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  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
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  • Biophysics (AREA)
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  • Engineering & Computer Science (AREA)
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Abstract

一种电子设备，包括：盖体（10）和支撑板（20），盖体（10）与支撑板（20）沿盖体（10）的厚度方向依次设置；发光单元（31）与感光单元（32）间隔设置于盖体（10）与支撑板（20）之间，盖体（10）上和发光单元（31）与感光单元（32）对应的区域为透光区；遮光结构设置于发光单元（31）与感光单元（32）之间，遮光结构可沿着靠近盖体（10）和支撑板（20）中的至少一个的方向形变，在遮光结构形变的情况下，遮光结构的一侧止抵盖体（10）的表面，遮光结构的另一侧止抵支撑板（20）的表面。

Description

电子设备
相关申请的交叉引用
本申请主张在2021年12月17日在中国提交的中国专利申请No.202111552840.5的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于终端技术领域，具体涉及一种电子设备。
背景技术
随着智能化的发展，集成可用于心率监测功能的智能手表和智能手环等智能穿戴产品越发受到欢迎。大部分的智能穿戴手表都采用光电测量法监测心率，智能手表内置的心率传感器(发光元件与感光元件)靠近皮肤，发光元件可以为发光二极管(Light Emitting Diode，LED)，发光元件发射一定波长的光束照射在皮肤表面，基于血液对光的吸收原理，反射光强度会随之变化，感光元件可以为光检测器(Photo Detector，PD)，通过感光元件测量反射光强度的变化来分析监测心率情况，进而获得实时的心率数据。现有的智能穿戴手表通过光电测量法监测心率过程中，发光元件的发光经过散射，会照射到感光元件上形成光串扰，影响测量的准确度。
发明内容
本申请实施例的目的是提供一种电子设备，用以解决现有的智能穿戴手表通过光电测量法监测心率过程中，发光元件的发光经过散射会照射到感光元件上形成光串扰，影响测量准确度的问题。
本申请实施例提供了一种电子设备，包括：
盖体和支撑板，所述盖体与所述支撑板沿所述盖体的厚度方向依次设置；
发光单元和感光单元，所述发光单元与所述感光单元间隔设置于所述盖体与所述支撑板之间，所述盖体上和所述发光单元与所述感光单元对应的区域为透光区；
遮光结构，所述遮光结构设置于所述发光单元与所述感光单元之间，所述遮光结构可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变，在所述遮光结构形变的情况下，所述遮光结构的一侧止抵所述盖体的表面，所述遮光结构的另一侧止抵所述支撑板的表面。
其中，所述遮光结构围绕所述发光单元的周向方向延伸。
其中，所述遮光结构为环状，所述遮光结构围绕所述发光单元的周向方向延伸，所述感光单元设置于所述遮光结构的外周。
其中，所述感光单元具有多个，多个所述感光单元沿所述遮光结构的外周间隔设置。
其中，所述遮光结构包括：
磁致伸缩件，在向所述磁致伸缩件施加磁场的情况下，所述磁致伸缩件可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
其中，所述磁致伸缩件包括：
磁致伸缩材料和包覆层，所述磁致伸缩材料包覆于所述包覆层中，所述包覆层可形变，在向所述磁致伸缩材料施加磁场的情况下，所述磁致伸缩材料可带动所述包覆层沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
其中，所述包覆层为弹性层。
其中，还包括：
磁体，所述磁体用于向所述磁致伸缩件施加磁场。
其中，所述遮光结构包括：
电致伸缩件，在施加电压的情况下，所述电致伸缩件可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
其中，所述遮光结构包括：
填充体，所述填充体中具有腔体；
气体供应机构，所述气体供应机构用于为所述腔体充气，在所述气体供应机构为所述腔体充气的情况下，所述填充体可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
其中，所述气体供应机构包括：
输送泵和管体，所述管体的一端与所述腔体连通，所述管体的另一端与所述输送泵的输送口连通。
其中，所述填充体为弹性材料件。
其中，还包括：
控制模组，所述控制模组用于控制所述遮光结构沿着靠近所述盖体和所述支撑板中的至少一个的方向形变，在所述控制模组控制所述遮光结构形变的情况下，所述遮光结构的一侧止抵所述盖体的表面，所述遮光结构的另一侧止抵所述支撑板的表面。
其中，所述盖体上设有第一凹槽，所述遮光结构的一侧位于所述第一凹槽中；和/或
所述支撑板上设有第二凹槽，所述遮光结构的另一侧位于所述第二凹槽中。
其中，所述支撑板为电路板。
其中，所述发光单元与所述感光单元设置于所述支撑板上，所述遮光结构设置于所述盖体上。
其中，还包括：
检测模组，所述检测模组用于根据所述感光单元接收到的光信号检测心率。
本申请实施例的电子设备，包括：盖体和支撑板，所述盖体与所述支撑板沿所述盖体的厚度方向依次设置；发光单元和感光单元，所述发光单元与所述感光单元间隔设置于所述盖体与所述支撑板之间，所述盖体上和所述发光单元与所述感光单元对应的区域为透光区；遮光结构，所述遮光结构设置于所述发光单元与所述感光单元之间，所述遮光结构可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变，在所述遮光结构形变的情况下，所述遮光结构的一侧止抵所述盖体的表面，所述遮光结构的另一侧止抵所述支撑板的表面。在本申请实施例的电子设备中，通过在所述发光单元与所述感光单元之间设置遮光结构，在所述遮光结构形变的情况下，所述遮光结构的一侧止抵所述盖体的表面，所述遮光结构的另一侧止抵所述支撑板的表面，遮光结构可以填充盖体和支撑板之间的间隙，通过遮光结构可以遮挡发光单元 与感光单元之间的光线，避免发光单元发出的直射光照射到感光单元上形成光串扰，可以避免由于装配出现偏差导致的光串扰，避免串扰光线的干扰，提高感光单元的感光精确度，提高心率测量的准确度。
附图说明
图1为磁致伸缩件与支撑板配合的一个示意图；
图2为磁致伸缩件的一个结构示意图；
图3为磁致伸缩件处于初始状态时的一个示意图；
图4为磁致伸缩件处于伸长状态时的一个示意图；
图5为电子设备中盖体、磁致伸缩件与支撑板配合的一个示意图；
图6为发光单元与感光单元在支撑板上的一个分布示意图；
图7为填充体与支撑板配合的一个示意图；
图8为填充体与输送泵连接的一个示意图；
图9为电子设备中盖体、填充体与支撑板配合的一个示意图；
图10为第二凹槽在支撑板上的一个设置示意图。
附图标记
盖体10；第一凹槽11；
支撑板20；第二凹槽21；
发光单元31；感光单元32；
磁致伸缩件40；磁致伸缩材料41；包覆层42；
填充体50；输送泵51；管体52。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别 类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
下面结合附图1至图10所示，通过具体的实施例及其应用场景对本申请实施例提供的电子设备进行详细地说明。
如图1至图10所示，本申请实施例的电子设备，包括：盖体10、支撑板20、发光单元31、感光单元32和遮光结构，其中，盖体10与支撑板20沿盖体10的厚度方向依次设置，盖体10与支撑板20可以沿盖体10的厚度方向间隔设置，盖体10与支撑板20可以连接在一起，盖体10与支撑板20可拆卸地连接。发光单元31与感光单元32可以间隔设置于盖体10与支撑板20之间，发光单元31与感光单元32可以安装在盖体10或支撑板20上，盖体10上和发光单元31与感光单元32对应的区域为透光区，透光区可以为透光孔或透明区。发光单元31可以为发光二极管，发光单元31可以发出光线，发光单元31发出的光线经过反射后可以被感光单元32检测到，进而可以根据感光单元32检测到的光信号来检测心率。
遮光结构可以设置于发光单元31与感光单元32之间，遮光结构可以沿着靠近盖体10和支撑板20中的至少一个的方向形变，在遮光结构形变的情况下，遮光结构的一侧可以止抵盖体10的表面，遮光结构的另一侧可以止抵支撑板20的表面，通过遮光结构可以密封盖体10与支撑板20之间的间隙，避免光线从盖体10与支撑板20之间的间隙通过，避免发光单元31发出的直射光照射到感光单元32上形成光串扰，避免串扰光线的干扰。在盖体10与支撑板20之间相对移动错位或出现装配偏差产生新的间隙时，由于遮光结构可以形变，遮光结构可以自动填充盖体10与支撑板20之间的间隙，避免直接光串扰。
在本申请实施例的电子设备中，通过在发光单元31与感光单元32之间设置遮光结构，在遮光结构形变的情况下，遮光结构的一侧止抵盖体10的表面，遮光结构的另一侧止抵支撑板20的表面，遮光结构可以填充盖体和支撑 板之间的间隙，通过遮光结构可以遮挡发光单元31与感光单元32之间的光线，避免发光单元31发出的直射光照射到感光单元32上形成光串扰，可以避免由于装配出现偏差导致的光串扰，避免串扰光线的干扰，提高感光单元32的感光精确度，提高心率测量的准确度。
在一些实施例中，如图1所示，遮光结构围绕发光单元31的周向方向延伸，遮光结构可以围绕在发光单元31的一周，遮光结构可以围绕感光单元32的周向方向延伸。遮光结构还可以围绕在感光单元32的一周，通过在盖体和支撑板之间以及发光单元31与感光单元32之间设置遮光结构，可以避免光线的串扰。
在另一些实施例中，如图1和图2所示，遮光结构可以为环状，遮光结构可以围绕发光单元31的周向方向延伸，感光单元32可以设置于遮光结构的外周，通过遮光结构可以将发光单元31与感光单元32之间隔离开，遮光结构可以填充在盖体和支撑板之间以及发光单元31与感光单元32之间，可以避免光线的串扰。
可选地，遮光结构可以为环状，感光单元32可以具有多个，比如四个，多个感光单元32可以沿遮光结构的外周间隔设置，多个感光单元32可以沿遮光结构的外周均匀间隔设置，可以更准确地感测不同区域位置的光线，提高感光的准确度。
在一些实施例中，如图1至图5所示，遮光结构可以包括：磁致伸缩件40，在向磁致伸缩件40施加磁场的情况下，磁致伸缩件40可以沿着靠近盖体10和支撑板20中的至少一个的方向形变，通过向磁致伸缩件40施加磁场，可以使得磁致伸缩件40沿着靠近盖体10和支撑板20中的至少一个的方向形变，在磁致伸缩件40沿着靠近盖体10和支撑板20中的至少一个的方向形变的情况下，磁致伸缩件40的一侧可以止抵盖体10的表面，磁致伸缩件40的另一侧可以止抵支撑板20的表面，通过磁致伸缩件40可以密封盖体10与支撑板20之间的间隙，避免光线从盖体10与支撑板20之间的间隙通过，避免发光单元31发出的直射光照射到感光单元32上形成光串扰，避免串扰光线的干扰。磁致伸缩件40可以为环状，磁致伸缩件40可以围绕发光单元31的周向方向延伸，感光单元32可以设置于磁致伸缩件40的外周。通过磁致伸 缩件40可以将发光单元31与感光单元32之间隔离开，磁致伸缩件40可以填充在盖体10和支撑板20之间以及发光单元31与感光单元32之间，可以避免光线的串扰。在盖体10与支撑板20之间相对移动错位或出现装配偏差产生新的间隙时，由于磁致伸缩件40可以形变，磁致伸缩件40可以自动填充盖体10与支撑板20之间的间隙，避免光线的串扰。
在另一些实施例中，如图3和图4所示，磁致伸缩件40可以包括：磁致伸缩材料41和包覆层42，包覆层42可以为不透光层，磁致伸缩材料41包覆于包覆层42中，包覆层42可形变，在向磁致伸缩材料41施加磁场的情况下，磁致伸缩材料41可带动包覆层42沿着靠近盖体10和支撑板20中的至少一个的方向形变。如图3所示，在初始状态下，磁致伸缩件40的伸缩度小；如图4所示，在向磁致伸缩材料41施加磁场的情况下，磁致伸缩件40的伸缩度增大，磁致伸缩材料41带动包覆层42沿着靠近盖体10和支撑板20中的至少一个的方向形变。在磁致伸缩材料41带动包覆层42沿着靠近盖体10和支撑板20中的至少一个的方向形变的情况下，磁致伸缩件40的一侧可以止抵盖体10的表面，磁致伸缩件40的另一侧可以止抵支撑板20的表面，通过磁致伸缩件40可以密封盖体10与支撑板20之间的间隙，避免光线从盖体10与支撑板20之间的间隙通过，可以避免光线的串扰。
如图3和图4所示，磁致伸缩件40可以包括：磁致伸缩材料41和包覆层42，磁致伸缩件40可以包括磁致伸缩材料及柔性不透光的包裹层。磁致伸缩材料可以采用磁流变体等类似磁性可控制阻尼大小的材料构成，此类材料具备电磁能/机械能相互转换的特性，在磁场作用下改变材料内部磁通密度，磁致伸缩材料在磁场作用下，内部磁通密度变化，可呈现高阻尼情况。柔性不透光包裹层可以采用不透光橡胶或软性的塑胶材料，可塑造形变。
可选地，包覆层42可以为弹性层，比如包覆层42可以为橡胶层，通过弹性层可以增强盖体10与支撑板20之间的密封性，提高遮挡光线的效果。弹性层还可以减轻盖体10与支撑板20之间相对活动碰撞。
在一些实施例中，电子设备还可以包括：磁体，磁体可以用于向磁致伸缩件40施加磁场，磁体可以为磁铁或电磁铁，磁体可以设置于盖体或支撑板20上，磁体可以邻近磁致伸缩件40设置，以便于向磁致伸缩材料41施加磁 场。
盖体10上可以带有磁铁，可以持续产生磁场，在磁场作用下，磁致伸缩材料的磁通密度变化，呈现高阻尼状态，磁致伸缩材料始终处于膨胀状态，完全填充盖体10与支撑板20之间的间隙，阻挡发光单元31与感光单元32之间的直接光串扰。
在另一些实施例中，遮光结构可以包括：电致伸缩件，在施加电压的情况下，电致伸缩件可以沿着靠近盖体10和支撑板20中的至少一个的方向形变。在电致伸缩件沿着靠近盖体10和支撑板20中的至少一个的方向形变情况下，电致伸缩件的一侧可以止抵盖体10的表面，电致伸缩件的另一侧可以止抵支撑板20的表面，通过电致伸缩件可以密封盖体10与支撑板20之间的间隙，避免光线从盖体10与支撑板20之间的间隙通过，避免发光单元31发出的直射光照射到感光单元32上形成光串扰，避免串扰光线的干扰。电致伸缩件可以为环状，电致伸缩件可以围绕发光单元31的周向方向延伸，感光单元32可以设置于电致伸缩件的外周。通过电致伸缩件可以将发光单元31与感光单元32之间隔离开，电致伸缩件可以填充在盖体10和支撑板20之间以及发光单元31与感光单元32之间，可以避免光线的串扰。在盖体10与支撑板20之间相对移动错位或出现装配偏差产生新的间隙时，由于电致伸缩件可以形变，电致伸缩件可以自动填充盖体10与支撑板20之间的间隙，避免光线的串扰。
在本申请的实施例中，如图7至图10所示，遮光结构可以包括：填充体50与气体供应机构，填充体50中具有腔体，气体供应机构用于为腔体充气，在气体供应机构为腔体充气的情况下，填充体50可沿着靠近盖体10和支撑板20中的至少一个的方向形变。
在填充体50沿着靠近盖体10和支撑板20中的至少一个的方向形变的情况下，填充体50的一侧可以止抵盖体10的表面，填充体50的另一侧可以止抵支撑板20的表面，通过填充体50可以密封盖体10与支撑板20之间的间隙，避免光线从盖体10与支撑板20之间的间隙通过，可以避免光线的串扰。在盖体10与支撑板20之间相对移动错位或出现装配偏差产生间隙时，填充体50可以自动填充盖体10与支撑板20之间的间隙，避免光线的串扰。
可选地，如图7至图9所示，气体供应机构可以包括：输送泵51和管体52，管体52的一端与所述腔体连通，管体52的另一端与输送泵51的输送口连通。可以通过输送泵51向腔体中输送气体，使得填充体50可以形变，可以使得填充体50可以膨胀，以使得填充体50的一侧可以止抵盖体10的表面，填充体50的另一侧可以止抵支撑板20的表面，通过填充体50可以密封盖体10与支撑板20之间的间隙，避免光线的串扰。输送泵51可以通过管体52从填充体50的腔体中抽出气体，以使得填充体50收缩。
输送泵51可以通过管体52与填充体50相连，输送泵51可以为微型气泵，微型气泵可以充放气使得填充体50膨胀和收缩。当发光单元31与感光单元32之间存在光串扰，感光单元32的信号会出现变化，微型气泵可以向填充体50充气，完全填充满盖体10与支撑板20之间的间隙，阻挡发光单元31与感光单元32之间的直接光串扰，通过外接微型气泵的填充体50可以阻断发光单元31与感光单元32之间直接光串扰。
可选地，填充体50可以为弹性材料件，具有弹性，通过弹性的填充体50可以增强盖体10与支撑板20之间的密封性，提高遮挡光线的效果，还可以减轻盖体10与支撑板20之间相对活动碰撞。
在本申请的实施例中，电子设备还可以包括：控制模组，控制模组用于控制遮光结构沿着靠近盖体10和支撑板20中的至少一个的方向形变，在控制模组控制遮光结构形变的情况下，遮光结构的一侧可以止抵盖体10的表面，遮光结构的另一侧可以止抵支撑板20的表面。通过遮光结构可以密封盖体10与支撑板20之间的间隙，避免光线从盖体10与支撑板20之间的间隙通过，可以避免光线的串扰。
在一些实施例中，如图5所示，盖体10上可以设有第一凹槽11，遮光结构的一侧位于第一凹槽11中，便于遮光结构稳定地与盖体10配合遮光，提高遮光效果。如图6和图10所示，支撑板20上可以设有第二凹槽21，遮光结构的另一侧位于第二凹槽21中，便于遮光结构稳定地与支撑板20配合遮光，提高遮光效果，同时还可以减小空间的占用。
可选地，支撑板20可以为电路板，可以将发光单元31与感光单元32设置于电路板上。
在一些实施例中，发光单元31与感光单元32可以设置于支撑板20上，遮光结构可以设置于盖体10上，可以在支撑板20上设置容纳槽，可以将发光单元31与感光单元32设置于容纳槽中，既可以减小空间的占用，又可以减小发光单元31与感光单元32之间的光串扰。
在本申请的实施例中，电子设备还可以包括：检测模组，所述检测模组可以用于根据感光单元32接收到的光信号检测心率。通过在发光单元31与感光单元32之间设置遮光结构，可以避免光串扰，避免串扰光线的干扰，提高感光单元的感光精确度，提高心率测量的准确度。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (13)

  1. 一种电子设备，包括：
    盖体和支撑板，所述盖体与所述支撑板沿所述盖体的厚度方向依次设置；
    发光单元和感光单元，所述发光单元与所述感光单元间隔设置于所述盖体与所述支撑板之间，所述盖体上和所述发光单元与所述感光单元对应的区域为透光区；
    遮光结构，所述遮光结构设置于所述发光单元与所述感光单元之间，所述遮光结构可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变，在所述遮光结构形变的情况下，所述遮光结构的一侧止抵所述盖体的表面，所述遮光结构的另一侧止抵所述支撑板的表面。
  2. 根据权利要求1所述的电子设备，其中，所述遮光结构围绕所述发光单元的周向方向延伸。
  3. 根据权利要求1所述的电子设备，其中，所述遮光结构为环状，所述遮光结构围绕所述发光单元的周向方向延伸，所述感光单元设置于所述遮光结构的外周。
  4. 根据权利要求3所述的电子设备，其中，所述感光单元具有多个，多个所述感光单元沿所述遮光结构的外周间隔设置。
  5. 根据权利要求1所述的电子设备，其中，所述遮光结构包括：
    磁致伸缩件，在向所述磁致伸缩件施加磁场的情况下，所述磁致伸缩件可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
  6. 根据权利要求5所述的电子设备，其中，所述磁致伸缩件包括：
    磁致伸缩材料和包覆层，所述磁致伸缩材料包覆于所述包覆层中，所述包覆层可形变，在向所述磁致伸缩材料施加磁场的情况下，所述磁致伸缩材料可带动所述包覆层沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
  7. 根据权利要求6所述的电子设备，其中，所述包覆层为弹性层。
  8. 根据权利要求5所述的电子设备，其中，还包括：
    磁体，所述磁体用于向所述磁致伸缩件施加磁场。
  9. 根据权利要求1所述的电子设备，其中，所述遮光结构包括：
    电致伸缩件，在施加电压的情况下，所述电致伸缩件可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
  10. 根据权利要求1所述的电子设备，其中，所述遮光结构包括：
    填充体，所述填充体中具有腔体；
    气体供应机构，所述气体供应机构用于为所述腔体充气，在所述气体供应机构为所述腔体充气的情况下，所述填充体可沿着靠近所述盖体和所述支撑板中的至少一个的方向形变。
  11. 根据权利要求10所述的电子设备，其中，所述气体供应机构包括：
    输送泵和管体，所述管体的一端与所述腔体连通，所述管体的另一端与所述输送泵的输送口连通。
  12. 根据权利要求10所述的电子设备，其中，所述填充体为弹性材料件。
  13. 根据权利要求1所述的电子设备，其中，还包括：
    检测模组，所述检测模组用于根据所述感光单元接收到的光信号检测心率。
PCT/CN2022/138761 2021-12-17 2022-12-13 电子设备 WO2023109830A1 (zh)

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