CN112817165A - Intelligent glasses and wireless charging seat - Google Patents

Intelligent glasses and wireless charging seat Download PDF

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Publication number
CN112817165A
CN112817165A CN202011636373.XA CN202011636373A CN112817165A CN 112817165 A CN112817165 A CN 112817165A CN 202011636373 A CN202011636373 A CN 202011636373A CN 112817165 A CN112817165 A CN 112817165A
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China
Prior art keywords
wireless charging
coil
receiving coil
transmitting coil
loudspeaker
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Granted
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CN202011636373.XA
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Chinese (zh)
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CN112817165B (en
Inventor
刘恒
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Goertek Inc
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Goertek Inc
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Publication of CN112817165A publication Critical patent/CN112817165A/en
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    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00Non-optical adjuncts; Attachment thereof
    • G02C11/10Electronic devices other than hearing aids
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00Non-optical adjuncts; Attachment thereof
    • G02C11/06Hearing aids
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The embodiment of the application discloses intelligent glasses and a wireless charging seat, wherein the intelligent glasses comprise glasses legs and a loudspeaker module positioned on the glasses legs; the loudspeaker module comprises a loudspeaker shell and a loudspeaker single body accommodated in the loudspeaker shell; a wireless charging receiving coil with a multi-turn structure in the axial direction is accommodated in the loudspeaker shell; when the loudspeaker shell and the wireless charging seat accommodating the wireless charging transmitting coil are detachably combined and fixed for wireless charging, the wireless charging receiving coil and the wireless charging transmitting coil comprise mutually overlapped parts in the radial direction. This intelligent glasses can realize that the efficient is wireless to charge, has high convenience and high flexibility, and simultaneously, this intelligent glasses's the mode of charging is difficult to cause wearing and tearing, does not have the potential safety hazard, effectively improves the security that intelligent glasses charged.

Description

Intelligent glasses and wireless charging seat
Technical Field
The application relates to the technical field of glasses, and more particularly relates to intelligent glasses and a wireless charging seat.
Background
With the development of science and technology, smart glasses gradually appear in the field of vision of people, and particularly in recent years, the product sales volume and the scale of the smart glasses exponentially increase.
Present intelligent glasses adopt wired mode of charging to charge, can't last when the outdoor use charge, and wired charging uses inconveniently, mainly because intelligent glasses have fairly meticulous geometric dimensions, are difficult to charge through connecting cable. Also, when the smart glasses are not worn, the smart glasses are generally stored in a location where wired charging is not possible, such as in a handbag. In addition, the electric energy transmission mode of wired charging is easy to cause abrasion, electric sparks are caused, and potential safety hazards exist.
Therefore, in order to overcome the defects in the prior art, a novel intelligent glasses and a wireless charging seat are needed.
Disclosure of Invention
The invention aims to provide intelligent glasses and a wireless charging seat, which can realize efficient wireless charging of the intelligent glasses and improve the charging safety of the intelligent glasses.
In order to achieve at least one of the above purposes, the following technical scheme is adopted in the application:
the application provides in a first aspect intelligent glasses, the intelligent glasses include glasses legs and a speaker module located on the glasses legs;
the loudspeaker module comprises a loudspeaker shell and a loudspeaker single body accommodated in the loudspeaker shell;
a wireless charging receiving coil with a multi-turn structure in the axial direction is accommodated in the loudspeaker shell;
when the loudspeaker shell and a wireless charging seat accommodating the wireless charging transmitting coil are detachably combined and fixed for wireless charging, the wireless charging receiving coil and the wireless charging transmitting coil comprise mutually overlapped parts in the radial direction.
Optionally, the smart glasses comprise a first speaker module and a second speaker module;
the wireless charging receiving coil comprises a first wireless charging receiving coil and a second wireless charging receiving coil;
wherein the content of the first and second substances,
the first wireless charging receiving coil is accommodated in a loudspeaker shell of the first loudspeaker module;
the second wireless charging receiving coil is accommodated in a loudspeaker shell of the second loudspeaker module.
Optionally, when the speaker housing is detachably combined and fixed with a wireless charging stand accommodating a wireless charging transmitting coil for wireless charging,
the wireless charging receiving coil is positioned at the outer side of the wireless charging transmitting coil, or
The wireless charging transmitting coil is located on the outer side of the wireless charging receiving coil.
Optionally, one side of the wireless charging receiving coil is provided with a first shielding sheet.
Optionally, when the speaker housing is detachably combined and fixed with a wireless charging stand accommodating a wireless charging transmitting coil for wireless charging,
in the radial direction, the first shielding sheet covers at least a portion where the wireless charging receiving coil and the wireless charging transmitting coil overlap with each other.
Optionally, the speaker housing includes a first side wall portion, and the wireless charging receiving coil is formed on the first side wall portion in a surrounding manner.
A second aspect of the present application provides a wireless charging cradle, comprising:
the wireless charging transmitting coil is accommodated in the wireless charging seat and has a multi-turn structure in the axial direction;
when the wireless charging seat is detachably combined and fixed on the loudspeaker shell of the intelligent glasses, which accommodates the wireless charging receiving coil, so as to perform wireless charging, the wireless charging receiving coil and the wireless charging transmitting coil comprise mutually overlapped parts in the radial direction.
Optionally, one side of the wireless charging transmitting coil is provided with a second shielding sheet.
Optionally, when the wireless charging seat is detachably combined and fixed on the speaker housing of the smart glasses, which accommodates the wireless charging receiving coil, for wireless charging,
in the radial direction, the second shielding sheet covers at least a portion where the wireless charging reception coil and the wireless charging transmission coil overlap each other.
Optionally, the wireless charging cradle includes a second sidewall, and the wireless charging transmitting coil is formed around an inner side or an outer side of the second sidewall.
The beneficial effect of this application is as follows:
to the problem that exists among the prior art at present, this application provides an intelligence glasses and wireless charging seat, through setting up wireless receiving coil and the wireless transmitting coil that charges to realize that the efficient is wireless to charge, have high convenience and high flexibility, moreover, this intelligence glasses's the charge mode is difficult to cause wearing and tearing, does not have the potential safety hazard, effectively improves the security that intelligence glasses charged. Simultaneously, speaker shell combines fixedly in order to carry out wireless charging with the wireless charging seat detachably that accepts wireless transmitting coil that charges, in radial direction, wireless receiving coil and the wireless transmitting coil that charges including the part that overlaps each other, both can realize wireless receiving coil and the wireless transmitting coil that charges's of charging fast, accurate counterpoint, need not the user by oneself artifical counterpoint regulation and can guarantee the relative position of wireless receiving coil and the wireless transmitting coil that charges, reduce the interval between wireless receiving coil and the wireless transmitting coil that charges simultaneously, the reinforcing coupling coefficient, improve coupling strength, thereby guarantee high-efficient, low-loss charges.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 shows a 3D diagram of smart glasses in one embodiment of the present application.
Fig. 2 shows a structural cross-sectional view of a speaker housing in an embodiment of the present application.
Fig. 3 shows a schematic structure diagram of a wireless charging cradle in an embodiment of the present application.
Fig. 4 shows a schematic structural diagram of a wireless charging receiving coil and a first shielding sheet in an embodiment of the present application.
Fig. 5 shows a schematic structural diagram of a wireless charging transmitting coil and a second shielding plate in an embodiment of the present application.
Fig. 6 shows a schematic structural diagram of a wireless charging receiving coil and a wireless charging transmitting coil in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is further noted that, in the description of the present application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
To solve the problems in the prior art, an embodiment of the present application provides a pair of smart glasses 100, as shown in fig. 1 to 6, the pair of smart glasses 100 includes a frame 110, a temple 120, and a speaker module 130 located on the temple 120; the speaker module 130 includes a speaker housing 1301 and a speaker unit 1302 accommodated in the speaker housing 1301; the speaker case 1301 accommodates the wireless charging reception coil 140 having a multi-turn structure in the axial direction.
When the speaker housing 1301 is detachably coupled and fixed to the wireless charging stand 150 housing the wireless charging transmitting coil 160 for wireless charging, the wireless charging receiving coil 140 and the wireless charging transmitting coil 150 include portions overlapping each other in a radial direction.
In one particular example, the speaker housing 1301 and the smart eyewear 100 may be integrally formed. The smart glasses 100 may be, for example, a welding mask, a pair of glasses, a pair of ski goggles, a pair of VR glasses, a pair of AR glasses, and a pair of 3D glasses, which is not further limited in this embodiment.
The speaker housing 1301 may be, for example, a cylindrical housing, such as a circular ring housing, a triangular cylindrical housing, a square cylindrical housing, and the like shown in fig. 2. In addition, the wireless charging receiving coil 140 is annularly wound with a plurality of turns in the axial direction thereof, and the wireless charging receiving coil 140 can be used for receiving the electromagnetic signal emitted by the wireless charging transmitting coil 160.
It should be noted that the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 include mutually overlapped portions in the radial direction, that is, the wireless charging receiving coil 140 may be embedded in the wireless charging transmitting coil 160, or the wireless charging transmitting coil 160 may be embedded in the wireless charging receiving coil 140, which means that compared with the case where the wireless charging receiving coil and the wireless charging transmitting coil are arranged in parallel, the distance between the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 of this embodiment is lower, so that more magnetic field lines generated by the wireless charging transmitting coil 160 after being powered on enter the wireless charging receiving coil 140, the electromagnetic signals received by the wireless charging receiving coil 140 are improved, and the efficiency of wireless charging is improved.
In one example, the smart glasses 100 further include a first battery (not shown) electrically connected to the wireless charging receiver coil 140, and correspondingly, the wireless charging stand 150 includes a second battery (not shown) electrically connected to the wireless charging transmitter coil 160, and the second battery performs power transmission through electromagnetic induction between the wireless charging receiver coil 140 and the wireless charging transmitter coil 160, so as to charge the first battery. The first battery may be disposed on the frame 110 or the temple 120, and the first battery is specifically configured to provide power to the functional modules in the smart glasses 100 when the smart glasses 100 are in an operating state; wherein, the functional module can at least comprise one of the following items: microphone, speaker, display element, control unit. The second battery is located in the wireless charging stand 150, and the wireless charging stand 150 and the speaker housing 1301 can be fixed together, so that the first battery in the smart glasses 100 can be charged. In one example, the first battery and the second battery may be lithium batteries based on characteristics of the lithium batteries, such as small volume and large capacity.
In a specific example, the wireless charging receiving coil 140 is electrically connected to a first battery through a first power management module, wherein when the wireless charging receiving coil 140 is embedded in the wireless charging transmitting coil 160 or the wireless charging transmitting coil 160 is embedded in the wireless charging receiving coil 140, an electromagnetic signal is transmitted to the wireless charging receiving coil 140 by energizing the wireless charging transmitting coil 160, and the wireless charging receiving coil 140 receives the electromagnetic signal, so as to obtain an Alternating Current (AC) signal. The first power management module may include a rectification voltage stabilizing circuit, and is specifically configured to convert an ac signal received by the wireless charging receiving coil 140 into a Direct Current (Direct Current) voltage signal, and charge the first battery after stabilizing the voltage of the obtained Direct Current voltage signal.
In a particular embodiment, the wireless charging receiving coil 140 includes a number of wire harnesses; the wireless charging transmitting coil 160 includes a plurality of wire harnesses, that is, the wireless charging receiving coil 140 is formed by winding a coil formed by a plurality of wire harnesses, and the wireless charging transmitting coil 160 is formed by winding a coil formed by a plurality of wire harnesses, so that the charging efficiency of wireless charging can be further improved.
In a specific embodiment, the wireless charging receiving coil 140 is formed by winding a coil wire; or, the wireless charging receiving coil 140 is formed by etching a copper foil, that is, etching a plurality of lines on the copper foil (such as a flexible circuit board), and then wrapping the copper foil on a framework to form the wireless charging receiving coil; it can be understood that the copper foil can be wrapped on the framework and then etched to form a plurality of circuits. In addition, the wireless charging transmitting coil 160 is formed by winding a coil wire; or, the wireless charging transmitting coil 160 is formed by etching a copper foil, and also by etching a plurality of lines on the copper foil (such as a flexible circuit board), and then wrapping the copper foil on the framework to form the wireless charging transmitting coil; it can be understood that the copper foil can be wrapped on the framework and then etched to form a plurality of circuits.
The intelligent glasses of this embodiment pass through the wireless cooperation of receiving coil 140 and the wireless transmitting coil 160 that charges to realize the wireless charging of efficient, have high convenience and high flexibility, moreover, this intelligent glasses 100's the mode of charging is difficult to cause wearing and tearing, does not have the potential safety hazard, effectively improves the security that intelligent glasses 100 charged. Simultaneously, the intelligent glasses 100 of this embodiment utilizes current speaker module 130 structure, set up wireless receiving coil 140 that charges in speaker module 130, charge intelligent glasses 100 through wireless receiving coil 140 that charges and wireless transmitting coil 160 that charges, do not additionally occupy intelligent glasses 100's space, it is good with current preparation technology matching, can also increase intelligent glasses 100's duration, can also improve charge efficiency simultaneously, accelerate the charging speed, charging time has been reduced.
It should be noted that, for wireless charging, the magnitude of the lateral offset between the wireless charging transmitting coil 160 and the wireless charging receiving coil 140 and the distance between the wireless charging transmitting coil 160 and the wireless charging receiving coil 140 have a serious influence on the wireless charging efficiency. When the lateral offset between the wireless charging transmitting coil 160 and the wireless charging receiving coil 140 is large or the distance between the wireless charging transmitting coil 160 and the wireless charging receiving coil 140 is long, the charging efficiency may be significantly reduced, or even charging may be impossible.
Therefore, when the speaker housing 1301 of the smart glasses of this embodiment is detachably combined and fixed with the wireless charging stand 150 housing the wireless charging transmitting coil 160 for wireless charging, in the radial direction, the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 are provided with mutually overlapped parts, that is, the wireless charging receiving coil 140 can be embedded into the wireless charging transmitting coil 160, or the wireless charging transmitting coil 160 can be embedded into the wireless charging receiving coil 140, that is, the wireless charging stand 150 can be housed into the speaker housing 1301, or the speaker housing 1301 can be housed into the wireless charging stand 150, so as to realize fast and accurate positioning of the wireless charging receiving coil 140 and the wireless charging transmitting coil 160, without manual alignment adjustment by a user, ensure stable relative position between the wireless charging receiving coil 140 and the wireless charging transmitting coil 160, and the shaking of the wireless charging receiving coil or the wireless charging transmitting coil is reduced, the transverse offset between the wireless charging receiving coil and the wireless charging transmitting coil is reduced, so that the influence of the transverse offset on the wireless charging efficiency is eliminated, and the charging efficiency of wireless charging is ensured. Simultaneously compare in prior art wireless receiving coil that charges and the wireless scheme that charges transmitting coil parallel arrangement, the intelligent glasses 100 of this embodiment further reduces the wireless interval between receiving coil 140 and the wireless transmitting coil 160 that charges, improve the electromagnetic signal that wireless receiving coil 140 received that charges, and then improve the efficiency of wireless charging, strengthen the wireless coupling coefficient who charges receiving coil 140 and the wireless transmitting coil 160 that charges, improve the wireless coupling strength who charges receiving coil 140 and the wireless transmitting coil 160 that charges, thereby guarantee high-efficient, low-loss charging.
In a specific example, the speaker housing 1301 of the smart glasses is detachably fixed to the wireless charging stand 150, so that the coupling coefficient between the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 can reach 0.58, and the requirement of the current wireless charging technology on the coupling strength is met. Meanwhile, the smart glasses 100 of this embodiment can realize efficient wireless charging within the operating frequency range of the wireless charging alliance Qi protocol. Meanwhile, the construction of the charging system of the intelligent glasses 100, such as hardware circuit and software programming, is well matched with the existing design, so that the intelligent glasses 100 are easy to implement.
In a specific embodiment, the smart glasses 100 include a first temple 121, a second temple 122, a first speaker module 131 disposed on the first temple 121, and a second speaker module 132 disposed on the second temple 122, wherein the wireless charging receiving coil includes a first wireless charging receiving coil and a second wireless charging receiving coil, a speaker housing of the first speaker module 131 is detachably fixed to the first wireless charging base, and a speaker housing of the second speaker module 132 is detachably fixed to the second wireless charging base. The first wireless charging receiving coil is accommodated in the speaker housing of the first speaker module 131; the second wireless charging receiving coil is accommodated in the speaker housing of the second speaker module 132.
In one specific example, the smart glasses 100 further include a first battery electrically connected to the first wireless charging reception coil, a second battery electrically connected to the wireless charging transmission coil of the first wireless charging dock, a third battery electrically connected to the second wireless charging reception coil, and a fourth battery electrically connected to the wireless charging transmission coil of the second wireless charging dock. The first battery and the third battery are respectively disposed on the first temple 121 and the second temple 122, and the first battery and the third battery can be respectively used for providing power for different functional modules in the smart glasses 100, and can also provide power for the same functional module. The second battery and the fourth battery are charged for the first battery and the third battery through the first wireless charging seat and the second wireless charging seat, so that the wireless charging efficiency is effectively improved, the charging speed is increased, and the charging time is shortened.
In one embodiment, when the speaker housing is detachably coupled to a wireless charging cradle housing a wireless charging transmitting coil for wireless charging, the wireless charging receiving coil 140 is located outside the wireless charging transmitting coil 160, or the wireless charging transmitting coil 160 is located outside the wireless charging receiving coil 140. In one specific example, the wireless charging transmitting coil 160 is disposed around the outside of the wireless charging receiving coil 140, the wireless charging receiving coil 140 may be embedded in the wireless charging transmitting coil 160, and when the wireless charging receiving coil 140 is embedded in the wireless charging transmitting coil 160, the wireless charging transmitting coil 160 is located outside the wireless charging receiving coil 140 in the radial direction thereof. In another specific example, the wireless charging receiving coil 140 is disposed around the outside of the wireless charging transmitting coil 160, and the wireless charging transmitting coil 160 may be embedded within the wireless charging receiving coil 140. When the wireless charging transmission coil 160 is embedded in the wireless charging reception coil 140, the wireless charging reception coil 140 is located outside the wireless charging transmission coil 160 in a radial direction thereof.
In one specific embodiment, the speaker housing 1301 includes a first side wall portion on which the wireless charging receiving coil 140 is formed around; in another particular embodiment, as shown in fig. 4-6, one side of the wireless charging receiving coil 140 includes a first shield sheet 170. The first shielding sheet 170 is used for gathering magnetic field lines of the wireless charging receiving coil 140 and the wireless charging transmitting coil 160, so that coupling strength between the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 is improved, and charging efficiency of wireless charging is improved. Meanwhile, in the wireless charging process, by arranging the first shielding sheet 170, the wireless charging efficiency is effectively improved, and meanwhile, the electronic device or the external metal object close to the smart glasses 100 can be protected from the influence of thermal stress generated by eddy current, so that necessary electric shielding conforming to the existing wireless charging standard (for example, the Qi standard) can be realized.
In a specific embodiment, when the speaker housing is detachably combined and fixed with a wireless charging stand housing a wireless charging transmitting coil for wireless charging, and the first shielding sheet 170 covers at least a portion of the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 overlapping each other in a radial direction, that is, when the wireless charging receiving coil 140 can be embedded into the wireless charging transmitting coil 160 or the wireless charging transmitting coil 160 can be embedded into the wireless charging receiving coil 140, the first shielding sheet 170 covers an overlapping region of the wireless charging transmitting coil 160 and the wireless charging receiving coil 140, thereby gathering magnetic field lines in the region, so that the magnetic field lines generated by the wireless charging transmitting coil 160 enter the wireless charging receiving coil 140 more, thereby increasing electromagnetic signals received by the wireless charging receiving coil 140 and coupling strength between the wireless charging receiving coil 140 and the wireless charging transmitting coil 160, and then improve wireless charging's efficiency.
Another embodiment of the present application provides a wireless charging stand, as shown in fig. 3-6, comprising a wireless charging transmitting coil accommodated in the wireless charging stand and having a multi-turn structure in an axial direction; the wireless charging seat is detachably combined and fixed on the loudspeaker shell of the intelligent glasses, which contains the wireless charging receiving coil, so that when the wireless charging is carried out, the wireless charging receiving coil and the wireless charging transmitting coil comprise mutually overlapped parts in the radial direction.
In a specific example, the wireless charging stand 150 can be, for example, a cylindrical housing, such as a circular ring housing, a triangular cylindrical housing, a square cylindrical housing, or the structure shown in fig. 3. In addition, the wireless charging transmitting coil 160 is annularly wound with a plurality of turns in the axial direction thereof, and the wireless charging transmitting coil 160 is charged, so that the wireless charging transmitting coil 160 transmits an electromagnetic signal to the wireless charging receiving coil 140.
In one embodiment, the wireless charging stand 150 includes a second sidewall, and the wireless charging transmitting coil 160 is formed around the inside or outside of the second sidewall, and when the wireless charging stand is detachably combined and fixed on the speaker housing of the smart glasses, which houses the wireless charging receiving coil, for wireless charging, the first sidewall is located on the outside or inside of the second sidewall.
In a specific example, the speaker module 130 is shown in fig. 2, and includes a speaker unit 1302, an inner casing 1303 for wrapping the speaker unit, and a wireless charging receiving coil 140 disposed between an outer side of the inner casing 1303 and an inner side of the speaker housing 1301. The wireless charging stand 150 has a structure as shown in fig. 3, that is, the wireless charging stand 150 includes a cylindrical main body 151 and an accommodating portion 152 formed by inwardly recessing a side surface of the main body 151 close to the speaker module 130, the accommodating portion 152 and the speaker housing 1301 are correspondingly disposed, and the wireless charging transmitting coil 160 is disposed between a side wall of the main body 151 and a side wall of the accommodating portion 152 in a surrounding manner. The first side wall portion is a side wall portion of the speaker housing 1301, and the second side wall portion is a side wall of the accommodating portion 152. When the wireless charging stand 150 is assembled on the speaker housing 1301, that is, the speaker housing 1301 is accommodated in the accommodating portion 152 of the wireless charging stand 150, so that the wireless charging receiving coil 140 is embedded in the wireless charging transmitting coil 160 to realize wireless charging of the smart glasses 100, and the sidewall of the speaker housing 1301 is located inside the sidewall of the accommodating portion 152 of the wireless charging stand 150.
In still another specific example, the speaker housing includes a cylindrical bottom wall portion, a side portion extending upward from an edge of one side surface of the bottom wall portion to form a ring shape, and a central portion extending upward from a center of the bottom wall portion, wherein the first side wall portion is a side portion of the speaker housing, the speaker unit is housed and fixed in the central portion, and the wireless charging receiving coil is disposed around the side portion. The wireless charging stand 150 is configured as shown in fig. 3, that is, the wireless charging stand 150 includes a cylindrical main body 151 and an accommodating portion 152 formed by recessing from a side surface of the main body 151 close to the speaker module 130, and the wireless charging transmitting coil 160 is disposed between a side wall of the main body 151 and a side wall of the accommodating portion 152 in a surrounding manner. The second sidewall portion may be a sidewall of the main body 151, and the wireless charging stand 150 is accommodated and fixed in the speaker housing 1301, that is, the sidewall of the main body 151 and the sidewall of the accommodating portion 152 of the wireless charging stand 150 are located between the inner sidewall of the side portion and the outer sidewall of the central portion of the speaker housing 1301, so that when the wireless charging transmitting coil 160 is embedded into the wireless charging receiving coil 140, the side portion of the speaker housing 1301 is located outside the sidewall of the main body 151 of the wireless charging stand 150. To enable wireless charging of the smart eyewear 100.
In another specific embodiment, as shown in fig. 4-6, a second shield sheet 180 is provided on one side of the wireless charging transmission coil 160. The second shielding sheet 180 is used for gathering magnetic field lines of the wireless charging receiving coil 140 and the wireless charging transmitting coil 160, so that coupling strength between the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 is improved, and charging efficiency of wireless charging is improved. Meanwhile, in the wireless charging process, by arranging the second shielding sheet 180, the wireless charging efficiency is effectively improved, and meanwhile, the electronic device or the external metal object close to the intelligent glasses 100 can be protected from the influence of thermal stress generated by eddy current, so that necessary electric shielding conforming to the existing wireless charging standard (such as the Qi standard) can be realized.
In a specific embodiment, the first shielding sheet 170 is attached around a side surface of the wireless charging receiver coil 140 facing away from the wireless charging transmitter coil 160, and the second shielding sheet 180 is attached around a side surface of the wireless charging transmitter coil 160 facing away from the wireless charging receiver coil 140. In a specific example, the wireless charging receiver coil 140 is located inside the wireless charging transmitter coil 160, the first shielding sheet 170 is attached around the inside of the wireless charging receiver coil 140, and the second shielding sheet 180 is attached around the outside of the wireless charging transmitter coil 160. In another specific example, the wireless charging receiver coil 140 is located on the outer side of the wireless charging transmitter coil 160, the first shielding sheet 170 is attached around the outer side of the wireless charging receiver coil 140, and the second shielding sheet 180 is attached around the inner side of the wireless charging transmitter coil 160.
In a specific embodiment, when the speaker housing is detachably combined and fixed with a wireless charging stand housing a wireless charging transmitting coil for wireless charging, and the second shielding sheet 180 covers at least a portion of the wireless charging receiving coil 140 and the wireless charging transmitting coil 160 overlapping each other in a radial direction, that is, when the wireless charging receiving coil 140 can be embedded into the wireless charging transmitting coil 160 or the wireless charging transmitting coil 160 can be embedded into the wireless charging receiving coil 140, the second shielding sheet 180 covers an overlapping region of the wireless charging transmitting coil 160 and the wireless charging receiving coil 140, thereby gathering magnetic field lines in the region, so that the magnetic field lines generated by the wireless charging transmitting coil 160 enter the wireless charging receiving coil 140 more, thereby increasing electromagnetic signals received by the wireless charging receiving coil 140 and coupling strength between the wireless charging receiving coil 140 and the wireless charging transmitting coil 160, and then improve wireless charging's efficiency.
In one embodiment, the material of the first shielding sheet 170 or the material of the second shielding sheet 180 is ferrite, nanocrystalline or amorphous. The material of the first shielding sheet 170 may be the same as or different from the material of the second shielding sheet 180.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.

Claims (10)

1. An intelligent glasses is characterized in that the intelligent glasses are provided with a plurality of lenses,
the intelligent glasses comprise glasses legs and a loudspeaker module positioned on the glasses legs;
the loudspeaker module comprises a loudspeaker shell and a loudspeaker single body accommodated in the loudspeaker shell;
a wireless charging receiving coil with a multi-turn structure in the axial direction is accommodated in the loudspeaker shell;
when the loudspeaker shell and a wireless charging seat accommodating the wireless charging transmitting coil are detachably combined and fixed for wireless charging, the wireless charging receiving coil and the wireless charging transmitting coil comprise mutually overlapped parts in the radial direction.
2. The smart eyewear of claim 1,
the intelligent glasses comprise a first loudspeaker module and a second loudspeaker module;
the wireless charging receiving coil comprises a first wireless charging receiving coil and a second wireless charging receiving coil;
wherein the content of the first and second substances,
the first wireless charging receiving coil is accommodated in a loudspeaker shell of the first loudspeaker module;
the second wireless charging receiving coil is accommodated in a loudspeaker shell of the second loudspeaker module.
3. The smart eyewear of claim 1,
when the loudspeaker shell and the wireless charging seat containing the wireless charging transmitting coil are detachably combined and fixed for wireless charging,
the wireless charging receiving coil is positioned at the outer side of the wireless charging transmitting coil, or
The wireless charging transmitting coil is located on the outer side of the wireless charging receiving coil.
4. The smart eyewear of claim 1,
one side of the wireless charging receiving coil is provided with a first shielding sheet.
5. The smart eyewear of claim 4,
when the loudspeaker shell and the wireless charging seat containing the wireless charging transmitting coil are detachably combined and fixed for wireless charging,
in the radial direction, the first shielding sheet covers at least a portion where the wireless charging receiving coil and the wireless charging transmitting coil overlap with each other.
6. The smart eyewear of claim 1,
the loudspeaker shell comprises a first side wall part, and the wireless charging receiving coil is formed on the first side wall part in a surrounding mode.
7. A wireless charging cradle, comprising:
the wireless charging transmitting coil is accommodated in the wireless charging seat and has a multi-turn structure in the axial direction;
when the wireless charging seat is detachably combined and fixed on the loudspeaker shell of the intelligent glasses, which accommodates the wireless charging receiving coil, so as to perform wireless charging, the wireless charging receiving coil and the wireless charging transmitting coil comprise mutually overlapped parts in the radial direction.
8. The wireless charging cradle according to claim 7,
and a second shielding sheet is arranged on one side of the wireless charging transmitting coil.
9. The wireless charging cradle according to claim 8,
when the wireless charging seat is detachably combined and fixed on the loudspeaker shell of the intelligent glasses which is accommodated with the wireless charging receiving coil for wireless charging,
in the radial direction, the second shielding sheet covers at least a portion where the wireless charging reception coil and the wireless charging transmission coil overlap each other.
10. The wireless charging cradle according to claim 7,
the wireless charging seat comprises a second side wall part, and the wireless charging transmitting coil is formed on the inner side or the outer side of the second side wall part in a surrounding mode.
CN202011636373.XA 2020-12-31 2020-12-31 Intelligent glasses and wireless charging seat Active CN112817165B (en)

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