WO2022007249A1 - 智能穿戴式眼镜 - Google Patents

智能穿戴式眼镜 Download PDF

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Publication number
WO2022007249A1
WO2022007249A1 PCT/CN2020/123571 CN2020123571W WO2022007249A1 WO 2022007249 A1 WO2022007249 A1 WO 2022007249A1 CN 2020123571 W CN2020123571 W CN 2020123571W WO 2022007249 A1 WO2022007249 A1 WO 2022007249A1
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WO
WIPO (PCT)
Prior art keywords
sound
hole
smart wearable
wearable glasses
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/123571
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English (en)
French (fr)
Inventor
孙舒远
黄兴志
张欣
黄翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
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Filing date
Publication date
Application filed by AAC Acoustic Technologies Shenzhen Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022007249A1 publication Critical patent/WO2022007249A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00—Non-optical adjuncts; Attachment thereof
    • G02C11/06—Hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • 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
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/14—Side-members
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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

Definitions

  • the invention relates to the field of smart wearable devices, in particular to portable smart wearable glasses.
  • Smart wearable glasses have very broad application prospects in many fields such as communication, education, medical care, culture, and manufacturing.
  • the related art smart wearable glasses mostly use micro-speakers or small-sized paper cone speakers or headphone chips for their sound-emitting devices.
  • the performance is much lower than the speakers used in traditional speakers, resulting in poor sound effect of the entire smart wearable glasses, especially in the lack of bass.
  • the purpose of the present invention is to provide smart wearable glasses with good sound effect, high comfort and good privacy.
  • the present invention provides a kind of smart wearable glasses, which includes a frame and temples extending from opposite sides of the frame; the temples are in a hollow structure, and the smart wearable glasses further comprise separately installed glasses.
  • the sound producing device divides the receiving space into a coupling rear cavity and a sound guiding front cavity, the first sound outlet is communicated with the sound guiding front cavity, and the first sound guiding cavity
  • Two sound holes are communicated with the coupling rear cavity; the opposite sides of the temple are respectively provided with a first sound hole and a second sound hole passing through them, and the first sound hole is connected to the first sound hole.
  • the second sound hole is communicated with the second sound outlet, and the sound signal generated by the sound module is directed outwards in two opposite directions through the first sound hole and the second sound hole. radiation.
  • the temples include a lower surface mounted on the user's ear when wearing, an upper surface opposite to the lower surface, and a side surface connected between the upper surface and the lower surface, the first The sound hole is opened on the lower surface to face the user's ear, and the second sound hole is opened on the upper surface to be away from the user's ear.
  • the housing includes a housing frame with an installation hole, and an upper cover and a lower cover that are respectively covered on opposite sides of the housing frame and jointly enclose the receiving space, and the sound-emitting device is fixed to the installation hole, The upper cover, the housing frame and the sound-emitting device together enclose the sound-guiding front cavity, and the lower cover, the housing frame and the sound-emitting device together enclose the coupling rear cavity; the first The sound outlet hole and the second sound outlet hole are respectively disposed on the other opposite sides of the housing frame.
  • the casing further comprises a bass tube surrounded by the lower cover and the casing, the bass tube communicates with the coupling back cavity and extends away from the sound-emitting device, and the first The second sound hole is communicated with the coupling rear cavity through the bass tube.
  • the first sound outlet hole and the second sound outlet hole are respectively located on opposite sides of the housing frame along the sound emission direction perpendicular to the sound emission device.
  • the first sound outlet is arranged opposite to the first sound hole, and the second sound outlet is arranged opposite to the second sound hole.
  • the first sound hole is located at the end of the temple that is away from the mirror frame so as to face the user's ear; the second sound hole is located at the end of the temple that is close to the mirror frame.
  • the sound generating device is one of a moving coil speaker, a MEMS speaker, a moving coil or a moving iron earphone core.
  • the smart wearable glasses of the present invention are provided with a sound-emitting module with a coupling rear cavity and a sound-guiding front cavity in the temples, and at the same time, the shell is provided with a first sound-exit hole that communicates with the sound-guiding front cavity.
  • the second sound outlet communicated with the coupling rear cavity the sound guiding cavity increases the coupling between the sound module and the human ear and improves the sound quality, and the coupling rear cavity improves the low frequency performance of the sound module and effectively reduces the sound quality.
  • the shell vibration of the sound module avoids the vibration transmission between it and the temple and the frame, and improves the comfort of use; at the same time, the opposite sides of the temple are respectively provided with a first sound hole and a second sound hole.
  • the first sound hole is connected with the first sound hole
  • the second sound hole is connected with the second sound hole, then the sound signal generated by the sound module will be opposite through the first sound hole and the second sound hole.
  • the two directions of radiation have the effect of cancelling the volume of each other, thereby effectively improving the sound privacy problem of smart wearable glasses and making the user experience better.
  • Fig. 1 is the three-dimensional structure schematic diagram of the smart wearable glasses of the present invention
  • FIG. 2 is an exploded schematic diagram of a part of the three-dimensional structure of the temple and the sound module of the smart wearable glasses of the present invention
  • FIG. 3 is a perspective perspective view of a sound module of the smart wearable glasses of the present invention.
  • FIG. 4 is an exploded schematic diagram of the three-dimensional structure of the sound module of the smart wearable glasses of the present invention.
  • FIG. 5 is a graph showing the comparison of acoustic performance between a sound module with a bass tube and a sound module in the related art in the smart wearable glasses of the present invention
  • Fig. 6 is the wearing schematic diagram of the smart wearable glasses of the present invention.
  • FIG. 7 is a partial schematic diagram of one of the viewing angles in FIG. 6;
  • Fig. 8 is a partial schematic diagram of another viewing angle in Fig. 6;
  • FIG. 9 is a graph showing the sound leakage improvement effect of the smart wearable glasses of the present invention.
  • the present invention provides a smart wearable glasses 100 , including a frame 1 , temples 2 extending from opposite sides of the frame 1 , and a sound-emitting device installed and fixed in the temples 2 Module 3.
  • the spectacle frame 1 is used for installing lenses, etc., to realize the visual interaction function.
  • the temple 2 has a hollow structure, and an installation space is provided inside it for installing the sound module 3.
  • the opposite sides of the temple 2 are respectively provided with a first sound hole 201 and a second sound hole passing through it.
  • Hole 202, the sound signal generated by the sound module 3 is radiated outwards in two opposite directions through the first sound hole 201 and the second sound hole 202, so that the first sound hole 201 and the second sound hole 201
  • the holes 202 have the effect of cancelling the volume of each other, thereby effectively improving the sound privacy problem of the smart wearable glasses 100, and making the user experience better.
  • the temple 2 includes a lower surface 21 mounted on the user's ear when wearing, an upper surface 22 opposite to the lower surface 21 , and a connection between the upper surface 22 and the lower surface 21 .
  • Side 23 the first sound hole 201 is opened on the lower surface 21 to face the user's ear, and the second sound hole 202 is opened on the upper surface 22 to be away from the user's ear, so as to face two opposite directions Radiated sound.
  • the first sound hole 201 is located at the end of the temple 2 away from the mirror frame 1 to face the user's ear to reduce sound loss and increase the coupling between the sound module 3 and the human ear;
  • the second sound hole 202 is located at one end of the temple 2 close to the mirror frame 1 , and it and the first sound hole 201 cancel each other out for volume effect seiyuu.
  • the sound module 3 includes a housing 31 installed in the temple 2 and having a receiving space 10 , a housing 31 installed inside the housing 31 for generating the sound signal
  • the sound hole 20 communicates with the sound outlet hole 43 .
  • the sound-generating device 32 divides the receiving space 10 into a sound-guiding front cavity 101 and a coupling rear cavity 102.
  • the sound-guiding front cavity 101 is used to improve the sound quality
  • the coupling rear cavity 102 is used to improve the low-frequency acoustic performance, and the coupling rear cavity 102 has obvious vibration isolation effect.
  • the first sound outlet hole 331 communicates with the sound guiding front cavity 101
  • the second sound outlet hole communicates with the coupling rear cavity 102 .
  • the first sound hole 201 is communicated with the first sound outlet hole 331, and can be communicated by setting a sound guide structure;
  • the second sound hole 202 is communicated with the second sound outlet hole 332, and can be connected by setting a sound guide structure. Connected.
  • the sound signal emitted by the sound-emitting device 32 passes through the sound-guiding front cavity 101 and then through the first sound-out hole 331 and then is emitted by the first sound-hole 201, and propagates through the free-field near-field, so that the medium and high frequency sound is transmitted.
  • the signal is transmitted to the human ear; at the same time, the sound signal emitted by the sound generating device 32 is emitted from the second sound hole 201 after the coupling back cavity 102 and then the second sound outlet hole 332, and propagates in the direction away from the human ear. Therefore, the sound of the sound-emitting device 32 is radiated in opposite directions.
  • the radiated sound is in opposite phase and has the effect of cancelling the volume.
  • the sound heard by the wearing user is mainly emitted by the first sound hole 201, and the sound heard by the people around the wearing user is the sound jointly emitted by the first sound hole 201 and the second sound hole 202, because the two cancel each other out.
  • the effect of the volume thus effectively reducing the sound leakage of the entire device, greatly improving the privacy.
  • the coupling back cavity 102 of the sound-emitting device 32 has a vibration isolation effect, and the air vibration caused by the sound-emitting device 32 will not be directly transmitted to the whole machine of the smart wearable glasses 100, thus reducing the shock of the whole machine felt by the user, and increasing the for wearing comfort.
  • the housing 31 includes a housing frame 311 having mounting holes 30 , and an upper cover 312 and a lower cover 312 that are respectively covered on opposite sides of the housing frame 311 and jointly enclose the receiving space 10 .
  • the sound-generating device 32 is fixed to the mounting hole 30 , and the upper cover 312 , the housing 311 and the sound-generating device 32 together form the sound-guiding front cavity 101 ; the lower cover 313 , the housing 311 and the The sound-emitting devices 32 together form the post-coupling cavity 102 . That is, the upper cover 312 and the lower cover 313 are independent structures.
  • the sound generating device 32 is one of a moving coil speaker, a MEMS speaker, a moving coil or a moving iron earphone core.
  • the casing 31 further includes a bass tube 314 surrounded by the lower cover 313 and the casing 311 , the bass tube 314 communicates with the rear coupling cavity 102 and faces away from the sound-emitting device Extending in the direction of 32 , the second sound outlet 332 communicates with the back-coupling cavity 102 through the bass tube 314 .
  • the bass tube 314 has a significant enhancement effect on outputting the sound heard by the human ear of the wearing user, effectively improving the sound quality effect.
  • the sound generating device is a moving coil speaker with a size of 8mm x 15mm x 3mm.
  • the volume of the coupling rear cavity 102 is 0.6 cubic centimeters; the length of the bass tube 314 is 3 cm, and the cross section of the bass tube 314 is a rectangle of 2 mm x 4 mm.
  • Figure 5 is a frequency response curve with an input voltage of 1 Vrms, where Figure 5 ( a) is the frequency response curve diagram of the sound-emitting device without the bass tube structure in the smart wearable glasses in the related art, and FIG.
  • 5(b) is the frequency response curve diagram of the smart wearable glasses of the present invention. It can be seen from FIG. The low-frequency performance of the smart wearable glasses 100 with the bass tube 314 structure is significantly improved compared to the related art smart wearable glasses.
  • the dimensions of the sounding device 32 , the coupling rear cavity 102 , and the bass tube 314 are not limited to the above examples, and the principles are the same.
  • the first sound outlet hole 331 and the second sound outlet hole 332 are respectively located on opposite sides of the housing frame 311 along the sound emission direction perpendicular to the sound emission device 32 . That is, the first sound hole 331 and the first sound hole 201 are located on the same side of the sound generating device 32 , and the second sound hole 332 and the second sound hole 202 are located on the other same side of the sound generating device 32 . Therefore, the size of the sound guiding structure in which the first sound outlet hole 331 communicates with the first sound hole 201 can be reduced, and the size of the sound guiding structure in which the second sound outlet hole 332 communicates with the second sound hole 202 can be reduced.
  • the first sound outlet 331 is arranged opposite to the first sound hole 201
  • the second sound outlet 332 is arranged opposite to the second sound hole 202 .
  • the first sound hole 331 can be directly communicated with the first sound hole 201
  • the second sound hole 332 can be directly communicated with the second sound hole 202, which avoids designing a sound guiding structure and simplifies the structure.
  • the acoustic module 3 is installed in the temple 2. Since the acoustic module 3 has its own independent coupling back cavity 102, it has a certain vibration isolation effect. The vibration will not be directly transmitted to the whole machine of the smart wearable glasses 100, thus reducing the vibration of the whole machine felt by the user and increasing the wearing comfort.
  • the opening direction of the first sound hole 201 faces the tragus of the human ear, so as to increase the coupling degree between the sound-emitting device 32 and the human ear.
  • the sounds radiated by the first sound hole 201 and the second sound hole 202 are in opposite phases, and have the effect of cancelling the volume of each other.
  • the sound heard by the wearing user is mainly emitted by the first sound hole 202, and the bass tube 314 outputs a pair of
  • the sound heard by the wearing user's human ear has an enhancement effect, and the sound heard outside is the sound jointly emitted by the first sound hole 201 and the second sound hole 202, and the two have the effect of canceling each other's volume, so the entire device can be reduced.
  • the effect is shown in Figure 9.
  • the curve is that the smart wearable glasses of the present invention are normally worn on the artificial artificial head, and when the sound is produced during normal operation, the sound-emitting device 32 is tested at a distance of 10 cm from the artificial artificial head.
  • the smart wearable glasses of the present invention are provided with a sound-emitting module with a coupling rear cavity and a sound-guiding front cavity in the temples, and at the same time, the shell is provided with a first sound-exit hole that communicates with the sound-guiding front cavity.
  • the second sound outlet communicated with the coupling rear cavity the sound guiding cavity increases the coupling between the sound module and the human ear and improves the sound quality, and the coupling rear cavity improves the low frequency performance of the sound module and effectively reduces the sound quality.
  • the shell vibration of the sound module avoids the vibration transmission between it and the temple and the frame, and improves the comfort of use; at the same time, the opposite sides of the temple are respectively provided with a first sound hole and a second sound hole.
  • the first sound hole is connected with the first sound hole
  • the second sound hole is connected with the second sound hole, then the sound signal generated by the sound module will be opposite through the first sound hole and the second sound hole.
  • the two directions of radiation have the effect of cancelling the volume of each other, thereby effectively improving the sound privacy problem of smart wearable glasses and making the user experience better.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本发明提供了一种智能穿戴式眼镜，包括镜框、镜脚及分别安装固定于镜脚内的发声模组；发声模组包括具有收容空间的壳体、安装于壳体内部的发声器件及分别贯穿壳体的第一出声孔和第二出声孔；发声器件将收容空间分隔成耦合后腔与导声前腔，第一出声孔与导声前腔连通，第二出声孔与耦合后腔连通；镜脚的相对两侧分别设第一音孔和第二音孔，第一音孔与第一出声孔连通，第二音孔与第二出声孔连通，发声模组产生的声音信号经第一音孔和第二音孔向外朝相反的两个方向辐射。与相关技术相比，本发明的智能穿戴式眼镜声音效果好、舒适度高且私密性好。

Description

智能穿戴式眼镜 技术领域
本发明涉及智能穿戴设备领域，尤其涉及一种便携式的智能穿戴式眼镜。
 背景技术
智能穿戴式眼镜在通信、教育、医疗、文化、生产制造等多个领域都有非常广泛的应用前景。
 技术问题
视觉、听觉、触觉是人与外界交互的三大方式，目前，智能穿戴式眼镜上采用的听觉交互，但是相关技术中的智能穿戴式眼镜的声音交互一直存在着如下问题：
一方面，相关技术的智能穿戴式眼镜从穿戴式眼镜的整体重量和尺寸方面考虑，其发声器件多采用微型扬声器或小尺寸的纸盆扬声器或耳机芯片，这类微型电声换能器普遍声学性能要远低于传统音箱用的扬声器，导致整个智能穿戴式眼镜的声音效果很差，尤其体现在低音不足的方面。
另一方面，相关技术的智能穿戴式眼镜的扬声器中，大多数没有独立的耦合后腔，这导致扬声器工作时的振动，通过气流传导，直接传递给智能穿戴式眼镜，引起整机的强烈壳振，严重影响了佩戴的舒适度。
再一方面，相关技术的智能穿戴式眼镜的声音泄漏较为严重，为了保证佩戴者能够有足够好的声学交互体验，就必须加大穿戴式眼镜本身的声音输出，导致非佩戴者的其他用户也能明显的听到设备发出的声音，不仅影响了他人，也保证不了正常使用者的隐私性。
因此，实有必要提供一种新的智能穿戴式眼镜解决上述技术问题。
 技术解决方案
本发明的目的在于提供一种声音效果好、舒适度高且私密性好的智能穿戴式眼镜。
为了达到上述目的，本发明提供了一种智能穿戴式眼镜，包括镜框和由所述镜框的相对两侧延伸的镜脚；所述镜脚呈中空结构，所述智能穿戴式眼镜还包括分别安装固定于所述镜脚内的发声模组；所述发声模组包括安装在所述镜脚内且具有收容空间的壳体、安装于所述壳体内部的发声器件以及分别贯穿壳体的第一出声孔和第二出声孔；所述发声器件将所述收容空间分隔成耦合后腔与导声前腔，所述第一出声孔与所述导声前腔连通，所述第二出声孔与所述耦合后腔连通；所述镜脚的相对两侧分别设有贯穿其上的第一音孔和第二音孔，所述第一音孔与所述第一出声孔连通，所述第二音孔与所述第二出声孔连通，所述发声模组产生的声音信号经所述第一音孔和所述第二音孔向外朝相反的两个方向辐射。
优选的，所述镜脚包括佩戴时架设于用户耳部的下表面、与所述下表面相对的上表面、以及连接在所述上表面与所述下表面之间的侧面，所述第一音孔开设于所述下表面以朝向用户耳部，所述第二音孔开设于所述上表面以背离用户耳部。
优选的，所述壳体包括具有安装孔的壳架以及分别盖设于所述壳架相对两侧并共同围成所述收容空间的上盖和下盖，所述发声器件固定于安装孔，所上盖、所述壳架及所述发声器件共同围成所述导声前腔，所述下盖、所述壳架及所述发声器件共同围成所述耦合后腔；所述第一出声孔和所述第二出声孔分别设置于所述壳架的另外相对两侧。
优选的，所述壳体还包括由所述下盖和所述壳架围成的低音管，所述低音管与所述耦合后腔连通并朝远离所述发声器件的方向延伸，所述第二出声孔经所述低音管与所述耦合后腔连通。
优选的，所述第一出声孔和所述第二出声孔分别位于所述壳架的沿垂直于所述发声器件的发声方向的相对两侧。
优选的，所述第一出声孔与所述第一音孔正对设置，所述第二出声孔与所述第二音孔正对设置。
优选的，所述第一音孔位于所述镜脚远离所述镜框的一端用以正对于用户耳部；所述第二音孔位于所述镜脚靠近所述镜框的一端。
优选的，所述发声器件为动圈式扬声器、MEMS扬声器、动圈或动铁式耳机芯中的其中一种。
 有益效果
与相关技术相比，本发明的智能穿戴式眼镜在所述镜脚内设置具有耦合后腔和导声前腔的发声模组，同时壳体开设与导声前腔连通的第一出声孔以及与耦合后腔连通的第二出声孔，导声前腔增加了发声模组与人耳之间的耦合度并改善音质，耦合后腔提高了发声模组的低频性能且有效减小了发声模组的壳振，避免了其与镜脚及镜框之间的传振，提高了使用舒适度；同时，镜脚的相对两侧分别设有贯穿其上的第一音孔和第二音孔，并使第一音孔与第一出声孔连通，第二音孔与第二出声孔连通，则发声模组产生的声音信号经第一音孔和第二音孔向外朝相反的两个方向辐射，具有相互抵消音量的效果，从而有效改善了智能穿戴眼镜的声音私密性问题，使得用户体验效果更优。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例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获得其它的附图，其中：
图1为本发明智能穿戴式眼镜的立体结构示意图；
图2为本发明智能穿戴式眼镜的镜脚及发声模组的部分立体结构分解示意图；
图3为本发明智能穿戴式眼镜的发声模组的透视立体结构示意图；
图4为本发明智能穿戴式眼镜的发声模组的立体结构分解示意图；
图5为本发明智能穿戴式眼镜中设置低音管的发声模组与相关技术的发声模组的声学性能对比曲线图；
图6为本发明智能穿戴式眼镜的佩戴示意图；
图7为图6中其中一视角的部分示意图；
图8为图6中另一视角的部分示意图；
图9为本发明智能穿戴式眼镜的声音泄漏改善效果曲线图。
 本发明的实施方式
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做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
请同时参阅图1-2，本发明提供了一种智能穿戴式眼镜100，包括镜框1、由所述镜框1的相对两侧延伸的镜脚2以及安装固定于所述镜脚2内的发声模组3。
所述镜框1用于安装镜片等，实现视觉交互功能。
所述镜脚2呈中空结构，其内部提供安装空间，用于安装所述发声模组3，所述镜脚2的相对两侧分别设有贯穿其上的第一音孔201和第二音孔202，所述发声模组3产生的声音信号经所述第一音孔201和所述第二音孔202向外朝相反的两个方向辐射，从而使得第一音孔201和第二音孔202具有相互抵消音量的效果，进而有效改善了智能穿戴眼镜100的声音私密性问题，使得用户体验效果更优。
具体的，所述镜脚2包括佩戴时架设于用户耳部的下表面21、与所述下表面21相对的上表面22、以及连接在所述上表面22与所述下表面21之间的侧面23，所述第一音孔201开设于所述下表面21以朝向用户耳部，所述第二音孔202开设于所述上表面22以背离用户耳部，实现朝向相反的两个方向辐射声音。
更优的，所述第一音孔201位于所述镜脚2远离所述镜框1的一端用以正对于用户耳部，减少声音损耗，以增加发声模组3与人耳的耦合度；所述第二音孔202位于所述镜脚2靠近所述镜框1的一端，其与第一音孔201互抵消音量效果声优。
请结合图2-4所示，所述发声模组3包括安装在所述镜脚2内且具有收容空间10的壳体31、安装于所述壳体31内部的用于产生所述声音信号的发声器件32以及贯穿壳体31设置的第一出声孔331和第二出声孔332。所述音孔20与所述出声孔43连通。
发声器件32将所述收容空间10分隔成导声前腔101与耦合后腔102，导声前腔101用以改善音质，耦合后腔102用以提高低频声学性能，且耦合后腔102具有明显的隔振效果。所述第一出声孔331与所述导声前腔101连通，所述第二出声孔与所述耦合后腔102连通。所述第一音孔201与所述第一出声孔331连通，可通过设置导声结构连通；所述第二音孔202与所述第二出声孔332连通，可通过设置导声结构连通。所述发声器件32发出的声音信号经所述导声前腔101再经所述第一出声孔331后由第一音孔201发出，通过自由场近场传播，将中高频的所述声音信号传至人耳中；同时，所述发声器件32发出的声音信号经耦合后腔102再经第二出声孔332后由第二音孔201发出，朝向背离人耳方向传播。从而将所述发声器件32的声音朝向相反两个方向辐射出，因第一音孔201和第二音孔202的朝向方向相反，则辐射的声音是相反相位，具有相互抵消音量的效果。佩戴用户所听到的声音主要由第一音孔201发出，佩戴用户周围的人听到的声音则是由第一音孔201和第二音孔202共同发出的声音，因二者具有相互抵消音量的效果，因此有效减少整个设备的声音泄漏，极大程度的提高了私密性。
由发声器件32的耦合后腔102具有隔振效果，发声器件32工作时引起的空气振动不会直接传导到智能穿戴式眼镜100的整机上，因此减小用户感受到的整机震感，增加了佩戴舒适度。
具体的，本实施方式中，所述壳体31包括具有安装孔30的壳架311以及分别盖设于所述壳架311相对两侧并共同围成所述收容空间10的上盖312和下盖313。所述发声器件32固定于安装孔30，所上盖312、所述壳架311及所述发声器件32共同围成所述导声前腔101；所述下盖313、所述壳架311及所述发声器件32共同围成所述耦合后腔102。即，所述上盖312和所述下盖313为独立的结构。
本实施方式中，所述发声器件32为动圈式扬声器、MEMS扬声器、动圈或动铁式耳机芯中的其中一种。
更优的，所述壳体31还包括由所述下盖313和所述壳架311围成的低音管314，所述低音管314与所述耦合后腔102连通并朝远离所述发声器件32的方向延伸，所述第二出声孔332经所述低音管314与所述耦合后腔102连通。此时，低音管314对输出佩戴用户人耳听到的声音具有明显增强作用，有效的改善的音质效果。
本实施方式中，所述发声器件为规格8mm x 15mm x 3 mm的动圈式扬声器。与此同时，所述耦合后腔102的体积为0.6立方厘米；所述低音管314的长度为3cm，所述低音管314的横截面为2mm x 4 mm的矩形。以此为例，其与相关技术的智能穿戴式眼镜（不具有低音管结构 ）相比，其性能曲线如图5所示，该曲线是输入电压为1 Vrms的频率响应曲线，其中图5（a）为相关技术中智能穿戴式眼镜中发声器件不具低音管结构的频率响应曲线图，图5（b）为本发明智能穿戴式眼镜的频率响应曲线图，由图5可见，本发明的具有低音管314结构的智能穿戴式眼镜100相对于相关技术的智能穿戴式眼镜的低频性能显著提升。当然，所述发声器件32、耦合后腔102、低音管314的尺寸并不限于上述举例，其原理都一样。
本实施方式中，将所述第一出声孔331和所述第二出声孔332分别位于所述壳架311的沿垂直于所述发声器件32的发声方向的相对两侧。即第一出声孔331与第一音孔201位于发声器件32其中同一侧，第二出声孔332与第二音孔202位于发声器件32的另外同一侧。从而可减少第一出声孔331与第一音孔201连通的导声结构尺寸，以及减少第二出声孔332与第二音孔202连通的导声结构尺寸。
更优的，所述第一出声孔331与所述第一音孔201正对设置，所述第二出声孔332与所述第二音孔202正对设置。此结构则可使第一出声孔331与第一音孔201直接连通，第二出声孔332与第二音孔202直接连通，避免设计导声结构，简化结构。
请结合图6-8所示，声学模组3安装在镜腿2中，由于声学模组3自带独立的耦合后腔102，具有一定的隔振效果，由发声器件32工作时引起的空气振动不会直接传导到智能穿戴式眼镜100的整机上，因此减小用户感受到的整机震感，增加了佩戴舒适度。正常佩戴时，第一音孔201的开口方向朝向人耳的耳屏，以增加发声器件32与人耳的耦合度。第一音孔201和第二音孔202所辐射的声音是相反相位的，具有相互抵消音量的效果，佩戴用户所听到的声音主要由第一音孔202发出，此时低音管314对输出佩戴用户人耳听到的声音具有增强作用，在外部听到的声音是由第一音孔201和第二音孔202共同发出的声音，两者具有相互抵消音量的效果，因此可以减少整个设备的声音泄漏，其效果如图9所示，图9中该曲线为本发明的智能穿戴式眼镜正常佩戴在仿真人工头上，且正常工作发声时，发声器件32距离仿真人工头10cm测试的声压级曲线，其中，曲线A为没有第二音孔201的声压级曲线，曲线B为本发明中有第二音孔201的声压级曲线，可以明显看出，当打开第二音孔202时，设备泄漏到外部的声压级明显降低。
与相关技术相比，本发明的智能穿戴式眼镜在所述镜脚内设置具有耦合后腔和导声前腔的发声模组，同时壳体开设与导声前腔连通的第一出声孔以及与耦合后腔连通的第二出声孔，导声前腔增加了发声模组与人耳之间的耦合度并改善音质，耦合后腔提高了发声模组的低频性能且有效减小了发声模组的壳振，避免了其与镜脚及镜框之间的传振，提高了使用舒适度；同时，镜脚的相对两侧分别设有贯穿其上的第一音孔和第二音孔，并使第一音孔与第一出声孔连通，第二音孔与第二出声孔连通，则发声模组产生的声音信号经第一音孔和第二音孔向外朝相反的两个方向辐射，具有相互抵消音量的效果，从而有效改善了智能穿戴眼镜的声音私密性问题，使得用户体验效果更优。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (8)

  1. 一种智能穿戴式眼镜，包括镜框和由所述镜框的相对两侧延伸的镜脚，其特征在于，所述镜脚呈中空结构，所述智能穿戴式眼镜还包括分别安装固定于所述镜脚内的发声模组；所述发声模组包括安装在所述镜脚内且具有收容空间的壳体、安装于所述壳体内部的发声器件以及分别贯穿所述壳体的第一出声孔和第二出声孔；所述发声器件将所述收容空间分隔成耦合后腔与导声前腔，所述第一出声孔与所述导声前腔连通，所述第二出声孔与所述耦合后腔连通；所述镜脚的相对两侧分别设有贯穿其上的第一音孔和第二音孔，所述第一音孔与所述第一出声孔连通，所述第二音孔与所述第二出声孔连通，所述发声模组产生的声音信号经所述第一音孔和所述第二音孔向外朝相反的两个方向辐射。
  2. 根据权利要求1所述的智能穿戴式眼镜，其特征在于，所述镜脚包括佩戴时架设于用户耳部的下表面、与所述下表面相对的上表面、以及连接在所述上表面与所述下表面之间的侧面，所述第一音孔开设于所述下表面以朝向用户耳部，所述第二音孔开设于所述上表面以背离用户耳部。
  3. 根据权利要求2所述的智能穿戴式眼镜，其特征在于，所述壳体包括具有安装孔的壳架以及分别盖设于所述壳架相对两侧并共同围成所述收容空间的上盖和下盖，所述发声器件固定于安装孔，所上盖、所述壳架及所述发声器件共同围成所述导声前腔，所述下盖、所述壳架及所述发声器件共同围成所述耦合后腔；所述第一出声孔和所述第二出声孔分别设置于所述壳架的另外相对两侧。
  4. 根据权利要求3所述的智能穿戴式眼镜，其特征在于，所述壳体还包括由所述下盖和所述壳架围成的低音管，所述低音管与所述耦合后腔连通并朝远离所述发声器件的方向延伸，所述第二出声孔经所述低音管与所述耦合后腔连通。
  5. 根据权利要求4所述的智能穿戴式眼镜，其特征在于，所述第一出声孔和所述第二出声孔分别位于所述壳架的沿垂直于所述发声器件的发声方向的相对两侧。
  6. 根据权利要求5所述的智能穿戴式眼镜，其特征在于，所述第一出声孔与所述第一音孔正对设置，所述第二出声孔与所述第二音孔正对设置。
  7. 根据权利要求2所述的智能穿戴式眼镜，其特征在于，所述第一音孔位于所述镜脚远离所述镜框的一端用以正对于用户耳部；所述第二音孔位于所述镜脚靠近所述镜框的一端。
  8. 根据权利要求4所述的智能穿戴式眼镜，其特征在于，所述发声器件为动圈式扬声器、MEMS扬声器、动圈或动铁式耳机芯中的其中一种。
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WO2024001188A1 (zh) * 2022-06-29 2024-01-04 广州视源电子科技股份有限公司 一种扬声器模组以及智能头戴式设备
WO2025107110A1 (en) * 2023-11-20 2025-05-30 Harman International Industries , Incorporated Audio glasses device

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