WO2022227465A1 - 可发声镜腿结构和头戴式显示设备 - Google Patents

可发声镜腿结构和头戴式显示设备 Download PDF

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Publication number
WO2022227465A1
WO2022227465A1 PCT/CN2021/127815 CN2021127815W WO2022227465A1 WO 2022227465 A1 WO2022227465 A1 WO 2022227465A1 CN 2021127815 W CN2021127815 W CN 2021127815W WO 2022227465 A1 WO2022227465 A1 WO 2022227465A1
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WO
WIPO (PCT)
Prior art keywords
sound
temple
sounding
opening
side wall
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PCT/CN2021/127815
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English (en)
French (fr)
Inventor
殷海军
姜滨
迟小羽
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歌尔股份有限公司
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Publication of WO2022227465A1 publication Critical patent/WO2022227465A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/026—Supports for loudspeaker casings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops

Definitions

  • the present invention relates to the technical field of electro-acoustic conversion, in particular to a sound-producing temple structure and a head-mounted display device.
  • Speakers need to be placed in the AR headset for audio playback. When the speaker emits sound, it will cause vibration of surrounding parts, which may cause the surrounding parts to resonate, produce noise or abnormal sound, and make the user have a poor acoustic experience.
  • the main purpose of the present invention is to provide a sound-producing temple structure and a head-mounted display device, which aims to solve the problem that the sound of the speaker in the existing head-mounted AR device causes the surrounding parts to vibrate and generate noise or abnormal sound, which makes the user's acoustic experience poor. technical issues.
  • the sound-producing temple structure includes a temple shell with a receiving space, a deformation sleeve and a sound-emitting unit arranged in the temple shell, and the deformation sleeve covers the On the outer surface of the sound-generating unit, the deformation sleeve abuts between the temple shell and the sound-generating unit, so that the sound-generating unit is fixedly suspended in the receiving space.
  • the temple shell is an integral molded part
  • the temple shell is provided with an assembly port opposite to the sound-emitting unit
  • the sound-emitting temple structure further includes a cover provided on the assembly port. sealing cover.
  • the deformation sleeve includes a rubber sleeve and a fixing plate, the rubber sleeve is provided with a first opening and a second opening oppositely arranged, the fixing plate is arranged at the first opening, and the sound-emitting unit is The vibrating membrane faces the second opening, and one end of the sounding unit away from the vibrating membrane is connected to the fixing plate.
  • the rubber sleeve has two oppositely arranged first side walls and two oppositely arranged second side walls, the first side walls and the second side walls are connected end to end in sequence to enclose the first side wall.
  • An opening and the second opening, the first side wall and the second side wall are covered on the side wall of the sounding unit, and the sealing cover is arranged opposite to the first side wall.
  • the temple shell further includes two limit seats arranged in the temple shell, the two limit seats are oppositely arranged along the long axis direction of the temple shell, and the two The limiting seats are respectively abutted with the two second side walls.
  • the temple shell includes an inner sidewall facing the user's head and a bottom sidewall facing the user's ear, the assembling opening is opened on the bottom sidewall, and the vibration of the sound-emitting unit is The membrane is positioned towards the inner side wall.
  • the sealing cover includes a main body and a waterproof net, a pre-sound cavity is formed between the vibrating membrane of the sound-generating unit and the inner side wall, and an outlet communicating with the pre-sound cavity is opened on the main body. The sound hole, the waterproof net is blocked at the sound outlet.
  • the waterproof net includes an assembling bracket adapted to the wall of the sound outlet, and an upper mesh membrane covered on the assembling bracket, and the omentum covers the sound outlet.
  • a sounding rear cavity is formed between the surface connecting the sounding unit and the fixing plate and the temple shell, and the temple shell is also provided with a sound leakage hole, the rubber sleeve, and/ Or the fixed plate is provided with an air flow channel connecting the sound leakage hole and the sounding rear cavity, and/or the gap between the rubber sleeve and the fixed plate forms a connection between the sound leakage hole and the The airflow channel of the back cavity of the sound.
  • the present invention also provides a head-mounted display device, comprising a hanger and a display module connected to the hanger, the two ends of the hanger are provided with the above-mentioned sound-producing temple structures;
  • the display module It includes a first frame mounted with a first lens, and a light engine assembly installed on one or both sides of the first frame for transmitting display content to the first lens.
  • the hanger further includes a second mirror frame, two ends of the second mirror frame are connected to the sound-emitting temple structure, and the second mirror frame is used to install a second lens, and the second lens is short-sighted Lenses, photochromic lenses or electrochromic lenses.
  • the deformation sleeve by wrapping the deformation sleeve on the outer surface of the sound-generating unit, the deformation sleeve can pass between the temple shell and the sound-generating unit, and the sound-generating unit is fixed and suspended. Placed in the containing space, the deformation sleeve absorbs the vibration caused by part or all of the sound-emitting monomer through deformation, and the temple shell and other components in the temple shell are not affected by the vibration of the sound-emitting monomer, thereby reducing or Avoid abnormal noise from the temple shell and other parts inside the temple shell.
  • FIG. 1 is a schematic three-dimensional structural diagram of an embodiment of the structure of a sound-emitting temple according to the present invention
  • FIG. 2 is a schematic diagram of a disassembled structure of an embodiment of the structure of a sound-emitting temple of the present invention
  • FIG. 3 is a schematic diagram of the assembly structure of an embodiment of the deformable sleeve and the sounding unit of the present invention
  • FIG. 4 is a schematic cross-sectional structural diagram of an embodiment of the structure of a sound-emitting temple according to the present invention.
  • Fig. 5 is the enlarged structural schematic diagram of part A of the audible temple structure shown in Fig. 4;
  • FIG. 6 is a schematic cross-sectional structural diagram of the audible temple structure shown in FIG. 1 along the B-B line;
  • FIG. 7 is a schematic three-dimensional structural diagram of an embodiment of the deformation sleeve of the present invention.
  • Fig. 8 is the enlarged structural schematic diagram of the part C of the audible temple structure shown in Fig. 6;
  • FIG. 9 is a schematic three-dimensional structural diagram of an embodiment of a head-mounted display device according to the present invention.
  • the present invention provides a sound-emitting temple structure.
  • the technical solution of the present invention provides a sound-emitting temple structure 100 .
  • the sound-emitting temple structure 100 includes a temple housing 1 having a receiving space, and a deformed temple housing 1 provided in the temple housing 1 .
  • a sleeve 5 and a sounding unit 7, the deformation sleeve 5 is covered on the outer surface of the sounding unit 7, and the deformation sleeve 5 abuts between the temple shell 1 and the sounding unit 7, So that the sounding unit 7 is fixedly suspended in the receiving space.
  • the sound generating unit 7 includes a vibration system and a magnetic circuit system with a magnetic gap.
  • the vibration system includes a diaphragm 71 and a voice coil (not shown) supporting the vibration of the diaphragm 71 , and the voice coil is electrically connected to an external circuit. , when the voice coil is energized, under the influence of the magnetic field generated by the magnetic circuit system, the voice coil vibrates, thereby driving the diaphragm 71 to vibrate and produce sound.
  • the sound-producing temple structure 100 is used to be assembled into a head-mounted wearable device, and the wearable device may be an AR (Augmented Reality) device.
  • the sound-emitting temple structure 100 is used to support the head-mounted wearable device on the user's head.
  • the sound-producing temple structure 100 may further include a battery, a communication module, a microphone, a touch module, and the like, which are arranged in the temple housing 1 .
  • the deformation sleeve 5 is prepared from a soft material, and the soft material may specifically be silica gel, rubber, or the like.
  • the sounding unit 7 is assembled in the deformation sleeve 5, and then the sounding unit 7 covered with the deformation sleeve 5 is assembled in the temple shell 1.
  • the deformation sleeve 5 is subjected to the external force of the temple shell 1. After being squeezed, a certain deformation occurs to adapt to the structure of the temple shell 1, so that the sound-emitting unit 7 is suspended in the receiving space through the deformation sleeve 5.
  • the deformation sleeve 5 absorbs part or all of the vibration through deformation, so that the temple shell 1 and other components in the temple shell 1 are not affected by the vibration of the sounding monomer 7, thereby reducing the vibration. Or avoid abnormal noise from the temple shell 1 and other components in the temple shell 1 .
  • the sounding unit 7 is completely covered in the deformation sleeve 5, and the diaphragm 71 of the sounding unit 7 divides the cavity in the deformation sleeve 5 into a front cavity and a rear cavity, and is only opened on the deformation sleeve 5.
  • the sound outlet channel communicates with the front cavity.
  • the deformation sleeve 5 only covers the side wall of the sound generating unit 7 , so that the diaphragm 71 is exposed from an opening of the deformation sleeve 5 .
  • the deformation sleeve 5 by wrapping the deformation sleeve 5 on the outer surface of the sounding unit 7, the deformation sleeve 5 can pass between the temple shell 1 and the sounding unit 7, and the The sound-emitting unit 7 is fixedly suspended in the accommodation space, and the deformation sleeve 5 absorbs the vibration caused by part or all of the sound-emitting unit 7 through deformation, and the temple shell 1 and other components in the temple shell 1 are not subject to sound.
  • the influence of the vibration of the single body 7, thereby reducing or avoiding the abnormal sound of the temple shell 1 and other components in the temple shell 1.
  • the temple shell 1 is an integral molded part, and the temple shell 1 is provided with an assembly opening 12 opposite to the sound-emitting unit 7 , and the sound-emitting temple structure 100 also includes a cover arranged on a The sealing cover 3 of the assembly port 12 .
  • the deformation sleeve 5 for assembling the sounding unit 7 is put into the temple shell 1 through the assembling opening 12 .
  • the deformation sleeve 5 is made into a shape suitable for the temple shell 1 , so that the deformation sleeve 5 is clamped in the temple shell 1 through deformation.
  • glue, a snap-fit structure, etc. can also be provided, so that the deformation sleeve 5 is fixed in the temple shell 1 .
  • the sealing cover 3 can be attached to the assembly opening 12 by gluing, or can be connected with the temple shell 1 by a snap structure.
  • the temple shell 1 By arranging the temple shell 1 as an integral molded part, the sound-producing temple structure 100 has a beautiful appearance. In order to ensure a consistent appearance, the temple shell 1 and the sealing cover 3 can also be of the same color.
  • the deformation sleeve 5 includes a rubber sleeve 51 and a fixing plate 53 .
  • the rubber sleeve 51 is provided with a first opening 512 and a second opening 514 arranged oppositely.
  • the fixing plate 53 Located at the first opening 512 , the diaphragm 71 of the sounding unit 7 faces the second opening 514 , and the end of the sounding unit 7 away from the diaphragm 71 is connected to the fixing plate 53 , So that the sounding unit 7 can be stably fixed in the rubber sleeve 51 .
  • the edge of the fixing plate 53 is embedded in the rubber sleeve 51 , and the sound generating unit 7 is attached or adsorbed on the fixing plate 53 .
  • the fixing plate 53 is a metal fixing plate 53 , and the sound generating unit 7 is magnetically adsorbed on the fixing plate 53 .
  • the edge of the fixing plate 53 is provided with a plurality of through holes, and the edge of the fixing plate 53 is embedded in the rubber sleeve 51 through the injection molding process. After the injection molding material is solidified, the injection molding material located in the through hole can enhance the stability of the connection between the fixing plate 53 and the rubber sleeve 51 .
  • the rubber sleeve 51 has two oppositely arranged first side walls 511 and two oppositely arranged second side walls 513 .
  • the second side wall 513 is connected end to end to enclose the first opening 512 and the second opening 514 , and the first side wall 511 and the second side wall 513 cover the side of the sounding unit 7
  • the sealing cover 3 is disposed opposite to the first side wall 511 .
  • the first side wall 511 and the second side wall 513 are connected in turn around the side wall of the sound-generating unit 7 for one turn, so as to fix the four surfaces of the sound-generating unit 7 .
  • a bottom wall 515 is formed by extending from one end of the first side wall 511 and the second side wall 513 close to the first opening 512, and the edge of the fixing plate 53 is connected to the bottom wall 515, so that the end of the sounding unit 7 away from the diaphragm 71 can be fixed with the
  • the plate 53 is connected to the bottom wall 515 , so that the rubber sleeve 51 can fix the five surfaces of the sounding unit 7 .
  • a top wall 517 is formed by extending from one end of the first side wall 511 and the second side wall 513 close to the second opening 514, and the end of the sound-emitting unit 7 with the diaphragm 71 can be connected to the top wall 517, so that the rubber sleeve 51 can be connected to the top wall 517.
  • the six surfaces of the sounding unit 7 are fixed to ensure a stable position of the sounding unit 7 in the rubber sleeve 51 .
  • the sound-producing temple structure 100 further includes two limit seats 15 arranged in the temple shell 1 , and the two limit seats 15 are arranged opposite to each other along the long axis direction of the temple shell 1 .
  • Each of the limiting seats 15 abuts against the two second side walls 513 respectively.
  • the space between the two limit seats 15 communicates with the assembly port 12 , so that when the rubber sleeve 51 carrying the sounding unit 7 is assembled, the rubber sleeve 51 can be directly placed between the two limit seats 15 through the assembly port 12 .
  • the limiting seat 15 abuts against the second side wall 513 .
  • the diaphragm 71 determines the length and the sum of the sounding unit 7. width, so that the sound-emitting unit 7 is a rectangular parallelepiped or a cylinder whose length and width are much greater than the height.
  • the long-axis direction of the temple shell 1 is perpendicular to the vibration direction of the diaphragm 71, so that when assembling the sound-emitting unit 7, the sound-emitting unit 7 can be assembled into the accommodation space in a direction parallel to the plane of the diaphragm 71, thereby assembling
  • the size of the port 12 only needs to be adapted to a certain side wall of the sounding unit 7, which reduces the size of the assembly port 12.
  • the size of the assembly opening 12 is matched with the deformation sleeve 5 , so that the deformation sleeve 5 covering the sounding unit 7 is deformed and placed in the receiving space through the assembly opening 12 .
  • the structure and size of the deformation sleeve 5 are adapted to the accommodation space of the temple shell, so that the deformation sleeve 5 can directly pass through the assembly port 12, and at the same time, the interference is fixed. inside the temple housing.
  • the size of the assembly opening 12 is matched with the deformation sleeve 5 , so that the assembly opening 12 is small enough to improve the consistency of the appearance of the sound-emitting temple structure 100 .
  • the temple shell 1 includes an inner side wall 11 for facing the user's head and a bottom side wall 13 for facing the user's ear.
  • the vibrating membrane 71 is disposed toward the inner side wall 11 .
  • the sound-emitting temple structure 100 is placed between the user's ear and the head so that the inner side wall 11 is in contact with the user's head and the bottom side wall 13 is in contact with the user's ear.
  • the diaphragm 71 of the sound-generating unit 7 By orienting the diaphragm 71 of the sound-generating unit 7 toward the inner side wall 11 , the sound of the sound-generating unit 7 is closer to the user, and the vibration and sound of the diaphragm 71 can be effectively transmitted to the user.
  • the sealing cover 3 can be hidden, and the exposed appearance is consistent.
  • the sealing cover 3 includes a main body 31 and a waterproof mesh 33 , and a pre-sound cavity 74 is formed between the diaphragm 71 of the sound producing unit 7 and the inner side wall 11 .
  • 31 is provided with a sound outlet 32 that communicates with the sounding front cavity 74 , and the waterproof mesh 33 is blocked at the sound outlet 32 .
  • the preparation of the sealing cover 3 and the preparation of the temple shell 1 can be carried out at the same time, and the sound outlet 32 is arranged on the sealing cover 3. Since the structure of the sealing cover 3 is simpler than that of the temple shell 1, it is not necessary to install the temple shell. 1.
  • the waterproof net 33 is processed on the upper part to improve the processing efficiency of the temple shell 1.
  • the waterproof net 33 includes an assembling bracket adapted to the wall surface of the sound outlet 32 , and an upper mesh membrane covered on the assembling bracket, and the omentum covers the sound outlet 32 .
  • the mesh membrane is a waterproof and breathable membrane, so that the airflow can pass through the mesh membrane to the outside, and at the same time, external water vapor, dust, etc. can be blocked outside the mesh membrane.
  • a sound-emitting cavity 72 is formed between the surface of the sound-emitting unit 7 and the fixing plate 53 and the temple shell 1 , and the temple shell 1 is also provided with a vent.
  • the sound hole 14, the rubber sleeve 51 and/or the fixing plate 53 are provided with an air flow channel connecting the sound vent hole 14 and the sounding rear cavity 72, and/or the rubber sleeve 51 and the The gap between the fixed plates 53 forms an air flow channel connecting the sound vent hole 14 and the sound-emitting cavity 72 .
  • the fixed plate 53 and the rubber sleeve 51 can also be provided with air flow holes 54 that communicate with the inside of the sounding unit 7 to form an air flow channel, so that the air pressure inside the sounding unit 7 is consistent with the outside.
  • the present invention also provides a head-mounted display device, including a hanger 20 and a display module 40 connected to the hanger 20 , and the two ends of the hanger 20 are provided with the above-mentioned sound-producing temple structures 100 ;
  • the display module 40 includes a first frame 41 mounted with a first lens, and a light engine assembly 43 installed on one or both sides of the first frame 41 for transmitting the display content to the first lens.
  • the specific structure of the sound-producing temple structure 100 refers to the above-mentioned embodiments. Since the head-mounted display device adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments. I won't go into details here.
  • the light engine assembly 43 is a self-luminous active display device. After the light engine assembly 43 emits light, the light beam is refracted and reflected by a series of optical elements, and finally displayed in the first lens. The light beams of different colors and brightness form the display screen. . Since the first lens itself is made of transparent material, the user can see the display image generated by the light engine assembly 43 and the real image in the real environment through the lens, so as to realize the fusion of the display image and the real image.
  • the hanger 20 is a columnar structure, two ends of the hanger 20 are connected to the sound-emitting temple structure 100 , and the display module 40 is detachably connected to the sound-emitting temple structure 100 .
  • the display module 40 is detachably connected to the hanger 20, so that the relative positional relationship between the light engine assembly 43 in the display module 40 and the first mirror frame 41 will not be changed.
  • the structure of the temples and the deformation of the hanger 20 are changed, so as to ensure the display accuracy of the display module 40 .
  • the hanger 20 further includes a second mirror frame (not shown), two ends of the second mirror frame are connected to the audible temple structure 100, and the second mirror frame is used to install a second lens, and the second lens is short-sighted Lenses, photochromic lenses or electrochromic lenses.
  • the second mirror frame is fixedly connected or detachably connected to the second lens. When the second mirror frame is detachably connected to the second mirror, the user can decide whether to install the second mirror on the second mirror frame and what kind of second mirror to install on the second mirror according to needs. on the second frame.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Eyeglasses (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

一种可发声镜腿结构（100）和头戴式可穿戴设备，可发声镜腿结构（100）包括具有收容空间的镜腿外壳（1）、设于镜腿外壳（1）内的形变套（5）和发声单体（7），形变套（5）包覆在发声单体（7）的外表面，形变套（5）抵接于镜腿外壳（1）和发声单体（7）之间，以使发声单体（7）固定悬置于收容空间内。可发声镜腿结构（100）能有效避免非发声单体（7）振动产生的异响。

Description

可发声镜腿结构和头戴式显示设备
本申请要求于2021年04月27日提交中国专利局、申请号为202110462316.2、发明名称为“可发声镜腿结构和头戴式显示设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及电声转换技术领域，特别涉及一种可发声镜腿结构和头戴式显示设备。
背景技术
头戴式AR设备中需要放置扬声器，以实现音频的播放。扬声器发声的同时会引起周围零件的震动，就有可能造成周围的零件共震，产生杂音或异响，使得用户有较差的声学体验。
因此，需要提供一种新型的可发声镜腿结构和头戴式显示设备，解决上述技术问题。
发明内容
本发明的主要目的是提供一种可发声镜腿结构和头戴式显示设备，旨在解决现有头戴式AR设备中扬声器发声造成周围零件共震产生杂音或异响，使得用户声学体验差的技术问题。
为实现上述目的，本发明提供的所述可发声镜腿结构包括具有收容空间的镜腿外壳、设于所述镜腿外壳内的形变套和发声单体，所述形变套包覆在所述发声单体的外表面，所述形变套抵接于所述镜腿外壳和所述发声单体之间，以使所述发声单体固定悬置于所述收容空间内。
可选地，所述镜腿外壳为一体成型件，所述镜腿外壳上开设有与所述发声单体相对设置的装配口，所述可发声镜腿结构还包括盖设于所述装配口的密封盖。
可选地，所述形变套包括胶套和固定板，所述胶套开设有相对设置的第 一开口和第二开口，所述固定板设于所述第一开口处，所述发声单体的振膜朝向所述第二开口，所述发声单体背离所述振膜的一端与所述固定板连接。
可选地，所述胶套具有两个相对设置的第一侧壁和两个相对设置的第二侧壁，所述第一侧壁和所述第二侧壁首尾依次连接围成所述第一开口和所述第二开口，所述第一侧壁和所述第二侧壁包覆在所述发声单体的侧壁上，所述密封盖与所述第一侧壁相对设置。
可选地，所述镜腿外壳还包括设于所述镜腿外壳内的两个限位座，两个所述限位座沿所述镜腿外壳的长轴方向相对设置，两个所述限位座分别与两个所述第二侧壁抵接。
可选地，所述镜腿外壳包括用于朝向用户头部的内侧壁和用于朝向用户耳朵的底侧壁，所述装配口开设于所述底侧壁上，所述发声单体的振膜朝向所述内侧壁设置。
可选地，所述密封盖包括主体部和防水网，所述发声单体的振膜和所述内侧壁之间形成发声前腔，所述主体部上开设有连通所述发声前腔的出声孔，所述防水网封堵于所述出声孔处。
可选地，所述防水网包括与所述出声孔的壁面适配的装配支架和盖设于所述装配支架上网膜，所述网膜覆盖所述出声孔。
可选地，所述发声单体与所述固定板连接的表面与所述镜腿外壳之间形成发声后腔，所述镜腿外壳上还开设有泄声孔，所述胶套、和/或所述固定板上设置有连通所述泄声孔与所述发声后腔的气流通道，和/或所述胶套和所述固定板之间的间隙形成连通所述泄声孔与所述发声后腔的气流通道。
本发明还提供了一种头戴式显示设备，包括挂架以及与所述挂架连接的显示模组，所述挂架的两端设有如上述的可发声镜腿结构；所述显示模组包括安装有第一镜片的第一镜框，以及安装于所述第一镜框一侧或两侧用于将显示内容传递至所述第一镜片的光引擎组件。
可选地，所述挂架还包括第二镜框，所述第二镜框的两端连接所述可发声镜腿结构，所述第二镜框用于安装第二镜片，所述第二镜片为近视镜片、光致标色镜片或电致变色镜片。
在本发明中，通过将形变套包覆在所述发声单体的外表面，使得形变套可以通过抵接于所述镜腿外壳和所述发声单体之间，所述发声单体固定悬置 于所述收容空间内，形变套通过发生形变吸收部分或全部发声单体引起的震动，镜腿外壳、以及镜腿外壳内的其他零部件不受发声单体振动的影响，从而减小或避免镜腿外壳、以及镜腿外壳内的其他零部件发生异响。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。
图1为本发明可发声镜腿结构一实施例的立体结构示意图；
图2为本发明可发声镜腿结构一实施例的拆解结构示意图；
图3为本发明形变套和发声单体一实施例的装配结构示意图；
图4为本发明可发声镜腿结构一实施例的剖面结构示意图；
图5为图4所示可发声镜腿结构A部分的放大结构示意图；
图6为图1所示可发声镜腿结构沿B-B线的剖面结构示意图；
图7为本发明形变套一实施例的立体结构示意图；
图8为图6所示可发声镜腿结构C部分的放大结构示意图；
图9为本发明头戴式显示设备一实施例的立体结构示意图。
实施例附图标号说明：
标号 名称 标号 名称
100 可发声镜腿结构 1 镜腿外壳
12 装配口 11 内侧壁
13 底侧壁 14 泄声孔
15 限位座 3 密封盖
31 主体部 32 出声孔
33 防水网 5 形变套
51 胶套 511 第一侧壁
512 第一开口 513 第二侧壁
514 第二开口 515 底壁
517 顶壁 52 间隙
53 固定板 54 气流孔
7 发声单体 71 振膜
72 发声后腔 74 发声前腔
20 挂架 40 显示模组
41 第一镜框 43 光引擎组件
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，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，都属于本发明保护的范围。
需要说明，本发明实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
另外，在本发明中涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是 以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。
本发明提出一种可发声镜腿结构。
参照图1至图3，本发明技术方案提出一种可发声镜腿结构100，所述可发声镜腿结构100包括具有收容空间的镜腿外壳1、设于所述镜腿外壳1内的形变套5和发声单体7，所述形变套5包覆在所述发声单体7的外表面，所述形变套5抵接于所述镜腿外壳1和所述发声单体7之间，以使所述发声单体7固定悬置于所述收容空间内。
请结合参阅图6，发声单体7包括振动系统和具有磁间隙的磁路系统，振动系统包括振膜71和支撑振膜71振动的音圈(未图示)，音圈与外部电路电连接，音圈通电时，在磁路系统所产生的磁场影响下，音圈进行振动，从而驱动振膜71振动发声。可发声镜腿结构100用于装配制成头戴式可穿戴设备，该可穿戴设备具有可以是AR(Augmented Reality)设备。可发声镜腿结构100用于支撑头戴式可穿戴设备于用户的头部。可发声镜腿结构100还可以包括设于镜腿外壳1内的电池、通信模块、麦克风、触控模块等。
形变套5通过软质材料制备，软质材料具体可以是硅胶、橡胶等。装配时，将发声单体7装配于形变套5中，再将包覆有形变套5的发声单体7装配于镜腿外壳1内，形变套5在装配过程中，受到镜腿外壳1外力的挤压后发生一定的形变，以适配镜腿外壳1的结构，从而通过形变套5使发声单体7悬置在收容空间内。发声单体7振动发声时，形变套5通过发生形变吸收部分或全部震动，以使得镜腿外壳1、以及镜腿外壳1内的其他零部件不受发声单体7振动的影响，从而减小或避免镜腿外壳1、以及镜腿外壳1内的其他零部件发生异响。在一实施例中，发声单体7完全包覆在形变套5中，发声单体7的振膜71将形变套5内的空腔分隔为前腔和后腔，仅在形变套5上开设出音通道连通前腔。在图2所示的实施例中，形变套5仅包覆在发声单体7的侧壁上，以使振膜71从形变套5一开口外露。
在本发明中，通过将形变套5包覆在所述发声单体7的外表面，使得形变套5可以通过抵接于所述镜腿外壳1和所述发声单体7之间，所述发声单 体7固定悬置于所述收容空间内，形变套5通过发生形变吸收部分或全部发声单体7引起的震动，镜腿外壳1、以及镜腿外壳1内的其他零部件不受发声单体7振动的影响，从而减小或避免镜腿外壳1、以及镜腿外壳1内的其他零部件发生异响。
进一步地，所述镜腿外壳1为一体成型件，所述镜腿外壳1上开设有与所述发声单体7相对设置的装配口12，所述可发声镜腿结构100还包括盖设于所述装配口12的密封盖3。装配发声单体7的形变套5通过该装配口12放入镜腿外壳1中。在本实施例中，将形变套5制成与镜腿外壳1适配的形状，使得形变套5通过形变卡合在镜腿外壳1中。当然还可以设置胶水、卡合结构等，使形变套5固定在镜腿外壳1中。密封盖3可以通过打胶贴附在装配口12处，也可以通过设置卡扣结构与镜腿外壳1卡合连接。通过将镜腿外壳1设置为一体成型件，使得可发声镜腿结构100外观美观。为了保证外观一致，还可以将镜腿外壳1和密封盖3采用统一颜色。
请参阅图3、图6和图7，所述形变套5包括胶套51和固定板53，所述胶套51开设有相对设置的第一开口512和第二开口514，所述固定板53设于所述第一开口512处，所述发声单体7的振膜71朝向所述第二开口514，所述发声单体7背离所述振膜71的一端与所述固定板53连接，使得发声单体7可以稳定的固定在胶套51内。
在一实施例中，所述固定板53的边沿嵌设于所述胶套51内，所述发声单体7贴设于或吸附于所述固定板53上。固定板53为金属固定板53，发声单体7通过磁性吸附在固定板53上。固定板53的边沿开设有多个通孔，通过注塑工艺将固定板53的边沿嵌设在胶套51内，注塑过程中，通孔可实现加工设备定位，同时注塑材料填充至通孔中，待注塑材料凝固后，位于通孔内的注塑材料能加强固定板53和胶套51连接的稳定性。
请结合参阅图4、图5和图6，所述胶套51具有两个相对设置的第一侧壁511和两个相对设置的第二侧壁513，所述第一侧壁511和所述第二侧壁513首尾依次连接围成所述第一开口512和所述第二开口514，所述第一侧壁511和所述第二侧壁513包覆在所述发声单体7的侧壁上，所述密封盖3与所述第一侧壁511相对设置。在本实施例中，第一侧壁511和第二侧壁513依次连接绕发声单体7的侧壁一圈，从而对发声单体7的4个面进行固定。 自第一侧壁511和第二侧壁513靠近第一开口512一端延伸形成底壁515，固定板53的边沿与底壁515连接，使得发声单体7远离振膜71的一端可以同时与固定板53和底壁515连接，从而胶套51可以对发声单体7的5个面进行固定。再进一步地，自第一侧壁511和第二侧壁513靠近第二开口514一端延伸形成顶壁517，发声单体7设置振膜71的一端可以与顶壁517连接，从而胶套51可以对发声单体7的6个面进行固定，保证发声单体7在胶套51内位置稳定。
所述可发声镜腿结构100还包括设于所述镜腿外壳1内的两个限位座15，两个所述限位座15沿所述镜腿外壳1的长轴方向相对设置，两个所述限位座15分别与两个所述第二侧壁513抵接。两个限位座15之间的空间连通装配口12，使得装配携带有发声单体7的胶套51时，胶套51可以直接通过装配口12放置于两个限位座15之间，实现限位座15抵接第二侧壁513。以振膜71的振动方向为发声单体7的高度方向，一般为了保证发声单体7发声响度，振膜71需要做到足够大，振膜71的尺寸决定了发声单体7的长和宽，使得发声单体7为长宽远大于高度的长方体或圆柱体。镜腿外壳1的长轴方向与振膜71的振动方向垂直设置，从而使得装配发声单体7时，可以以平行于振膜71所在平面方向将发声单体7装配至收容空间内，从而装配口12的尺寸仅需要与发声单体7的某个侧壁适配，减小了装配口12的尺寸。
所述装配口12的尺寸与所述形变套5相配合，以使包覆有所述发声单体7的形变套5形变后通过所述装配口12放置于所述收容空间内。为了保证镜腿壳体和形变套5之间位置关系稳定，形变套5的结构、尺寸设置与镜腿壳体的收容空间适配，从而形变套5可以直接通过装配口12，同时过盈固定在镜腿壳体内。装配口12的尺寸与所述形变套5相配合，使得装配口12足够小，提高可发声镜腿结构100外观的一致性。
所述镜腿外壳1包括用于朝向用户头部的内侧壁11和用于朝向用户耳朵的底侧壁13，所述装配口12开设于所述底侧壁13上，所述发声单体7的振膜71朝向所述内侧壁11设置。使用可发声镜腿结构100时，可发声镜腿结构100放置于用户耳朵和头部之间，使得内侧壁11与用户头部接触，底侧壁13与用户耳朵接触。通过将发声单体7的振膜71朝向内侧壁11，使得发声单体7的发声离用户更近，振膜71振动发声能有效传播至用户。通过将装配 口12开设于底侧壁13上，使得用户佩戴可发声镜腿结构100时，可以隐藏密封盖3，外露的外观一致。
请参阅图6和图8，所述密封盖3包括主体部31和防水网33，所述发声单体7的振膜71和所述内侧壁11之间形成发声前腔74，所述主体部31上开设有连通所述发声前腔74的出声孔32，所述防水网33封堵于所述出声孔32处。密封盖3的制备和镜腿外壳1的制备可以同时进行，将出声孔32设置在密封盖3上，由于密封盖3结构相较于镜腿外壳1的结构简单，免去在镜腿外壳1上加工防水网33，提高镜腿外壳1的加工效率。所述防水网33包括与所述出声孔32的壁面适配的装配支架和盖设于所述装配支架上网膜，所述网膜覆盖所述出声孔32。网膜为防水透气膜，使得气流可以通过网膜至外部，同时外部水汽、灰尘等可以阻隔在网膜外部。
请结合参阅图1和图5，所述发声单体7与所述固定板53连接的表面与所述镜腿外壳1之间形成发声后腔72，所述镜腿外壳1上还开设有泄声孔14，所述胶套51、和/或所述固定板53上设置有连通所述泄声孔14与所述发声后腔72的气流通道，和/或所述胶套51和所述固定板53之间的间隙形成连通所述泄声孔14与所述发声后腔72的气流通道。在本实施例中，胶套51底壁515和固定板53之间具有间隙52，使得发声单体7内的气压可以通过该间隙52、以及间隙52至泄声孔14的气流通道、泄声孔14与外部保持一致，有助于振膜71振动。当然还可以在固定板53和胶套51上开设连通发声单体7内部的气流孔54形成气流通道，以使得发声单体7内的气压与外部保持一致。
请参阅图9，本发明还提供了一种头戴式显示设备，包括挂架20以及与挂架20连接的显示模组40，挂架20的两端设有如上述的可发声镜腿结构100；显示模组40包括安装有第一镜片的第一镜框41，以及安装于第一镜框41一侧或两侧用于将显示内容传递至第一镜片的光引擎组件43。该可发声镜腿结构100的具体结构参照上述实施例，由于本头戴式显示设备采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
光引擎组件43为自发光的有源显示器件，光引擎组件43发光后，光束经过一系列光学元件折射、反射等作用下，最终在第一镜片中显示，不同颜色、明暗的光束组成显示画 面。由于第一镜片本身为透明材质，使得用户可以通过镜片看到光引擎组件43生成的显示画面，以及现实环境中的现实画面，实现显示画面和现实画面融合。在图8所示实施例中，挂架20为柱状结构，挂架20的两端连接可发声镜腿结构100，显示模组40与可发声镜腿结构100可拆卸连接，通过将光引擎组件43设置于第一镜框41的一侧或两侧，同时显示模组40与挂架20可拆卸连接，使得显示模组40中光引擎组件43和第一镜框41的相对位置关系，不会随着镜腿结构和挂架20的形变发生变化，从而保证显示模组40显示的精准性。
在另一实施例中，挂架20还包括第二镜框(未图示)，第二镜框的两端连接可发声镜腿结构100，第二镜框用于安装第二镜片，第二镜片为近视镜片、光致标色镜片或电致变色镜片。本领域技术人员可以理解的是，第一镜片和第二镜片叠设，从而使得用户可通过近视镜片、光致标色镜片或电致变色镜片观看到不同成像的现实画面。第二镜框与第二镜片固定连接或可拆卸连接，当第二镜框与第二镜片可拆卸连接时，用户可以根据需要决定第二镜框上是否安装第二镜片，以及安装何种第二镜片在第二镜框上。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (11)

  1. 一种可发声镜腿结构，其特征在于，所述可发声镜腿结构包括具有收容空间的镜腿外壳、设于所述镜腿外壳内的形变套和发声单体，所述形变套包覆在所述发声单体的外表面，所述形变套抵接于所述镜腿外壳和所述发声单体之间，以使所述发声单体固定悬置于所述收容空间内。
  2. 如权利要求1所述的可发声镜腿结构，其特征在于，所述镜腿外壳为一体成型件，所述镜腿外壳上开设有与所述发声单体相对设置的装配口，所述可发声镜腿结构还包括盖设于所述装配口的密封盖。
  3. 如权利要求2所述的可发声镜腿结构，其特征在于，所述形变套包括胶套和固定板，所述胶套开设有相对设置的第一开口和第二开口，所述固定板设于所述第一开口处，所述发声单体的振膜朝向所述第二开口，所述发声单体背离所述振膜的一端与所述固定板连接。
  4. 如权利要求3所述的可发声镜腿结构，其特征在于，所述胶套具有两个相对设置的第一侧壁和两个相对设置的第二侧壁，所述第一侧壁和所述第二侧壁首尾依次连接围成所述第一开口和所述第二开口，所述第一侧壁和所述第二侧壁包覆在所述发声单体的侧壁上。
  5. 如权利要求4所述的可发声镜腿结构，其特征在于，所述可发声镜腿结构还包括设于所述镜腿外壳内的两个限位座，两个所述限位座沿所述镜腿外壳的长轴方向相对设置，两个所述限位座分别与两个所述第二侧壁抵接，所述密封盖与所述第一侧壁相对设置。
  6. 如权利要求1至5中任一项所述的可发声镜腿结构，其特征在于，所述镜腿外壳包括用于朝向用户头部的内侧壁和用于朝向用户耳朵的底侧壁，所述装配口开设于所述底侧壁上，所述发声单体的振膜朝向所述内侧壁设置。
  7. 如权利要求6所述的可发声镜腿结构，其特征在于，所述密封盖包括主体部和防水网，所述发声单体的振膜和所述内侧壁之间形成发声前腔，所述主体部上开设有连通所述发声前腔的出声孔，所述防水网封堵于所述出声孔处。
  8. 如权利要求7所述的可发声镜腿结构，其特征在于，所述防水网包括与所述出声孔的壁面适配的装配支架和盖设于所述装配支架上网膜，所述网膜覆盖所述出声孔。
  9. 如权利要求3所述的可发声镜腿结构，其特征在于，所述发声单体与所述固定板连接的表面与所述镜腿外壳之间形成发声后腔，所述镜腿外壳上还开设有泄声孔，所述胶套、和/或所述固定板上设置有连通所述泄声孔与所述发声后腔的气流通道，和/或所述胶套和所述固定板之间的间隙形成连通所述泄声孔与所述发声后腔的气流通道。
  10. 一种头戴式显示设备，其特征在于，包括挂架以及与所述挂架连接的显示模组，所述挂架的两端设有如权利要求1至9中任一项所述的可发声镜腿结构；所述显示模组包括安装有第一镜片的第一镜框，以及安装于所述第一镜框一侧或两侧用于将显示内容传递至所述第一镜片的光引擎组件。
  11. 如权利要求10所述的头戴式显示设备，其特征在于，所述挂架还包括第二镜框，所述第二镜框的两端连接所述可发声镜腿结构，所述第二镜框用于安装第二镜片，所述第二镜片为近视镜片、光致标色镜片或电致变色镜片。
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