WO2020238708A1 - 骨传导振子及骨传导听音装置 - Google Patents

骨传导振子及骨传导听音装置 Download PDF

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Publication number
WO2020238708A1
WO2020238708A1 PCT/CN2020/091159 CN2020091159W WO2020238708A1 WO 2020238708 A1 WO2020238708 A1 WO 2020238708A1 CN 2020091159 W CN2020091159 W CN 2020091159W WO 2020238708 A1 WO2020238708 A1 WO 2020238708A1
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Prior art keywords
elastic wave
bone conduction
conductive elastic
conductive
circuit board
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PCT/CN2020/091159
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English (en)
French (fr)
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朱达云
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朱达云
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Publication of WO2020238708A1 publication Critical patent/WO2020238708A1/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the utility model belongs to the technical field of bone conduction devices, in particular to a bone conduction vibrator and a bone conduction listening device.
  • the ways of sound conduction are air vibration and bone conduction.
  • people can hear sound because the air transmits vibration to the eardrum through the external ear canal, and the vibration formed by the eardrum drives the human auditory nerve, thereby perceiving the vibration of the sound.
  • bone conduction earphones can be transmitted to the human auditory nerve through human skin, subcutaneous tissue and bones, so that people can hear sound.
  • the production process of bone conduction earphones in the prior art is complicated, which leads to high processing costs. The defect rate is high.
  • the purpose of the utility model is to provide a bone conduction vibrator and a bone conduction listening device, which aims to solve the problem of high processing cost of the bone conduction vibrator in the prior art due to the complicated production process and the fragile voice coil lead which affects the service life. technical problem.
  • an embodiment of the present invention provides a bone conduction vibrator, which includes a U iron, a magnet, a voice coil, a conductive sheet and a conductive elastic wave;
  • the U iron is provided with a groove;
  • the magnet is set In the groove, a washer is provided on the top of the magnet, and a magnetic gap is formed between the outer side wall of the magnet and the inner side wall of the groove;
  • the conductive elastic wave is connected to the opening of the U iron
  • One end of the voice coil extends into the magnetic gap, the other end of the voice coil is connected to the conductive elastic wave, a pad is provided on the conductive elastic wave, and the conductive sheet is connected to the conductive elastic wave.
  • the voice coil is located outside of the conductive elastic wave.
  • the U iron includes a small-diameter cylinder, a large-diameter cylinder, and a connecting ring connected between the small-diameter cylinder and the large-diameter cylinder, and the outer side wall of the magnet is connected to the small-diameter cylinder.
  • a magnetic gap is formed between the inner side walls of the diameter cylinder, and the conductive elastic wave is connected to the open end of the large diameter cylinder.
  • the bone conduction vibrator further includes a connecting piece and a circuit board, the connecting piece is connected to the conductive elastic wave and both ends extend to opposite sides of the conductive elastic wave, and the conductive sheet is located at the opposite side of the conductive elastic wave.
  • the circuit board is located in the groove and connected to the connecting piece, the circuit board is fixedly connected to the voice coil, and the circuit board is connected to the The conductive elastic wave is electrically connected to the voice coil.
  • a spacer block is connected between the conductive elastic wave and the circuit board, and the spacer block is connected with the connector.
  • a wiring hole is provided on the connecting member, and a conductive member electrically connected to the conductive elastic wave and the circuit board is provided in the wiring hole;
  • the connecting member is provided with a wiring groove, and a conductive member electrically connected to the conductive elastic wave and the circuit board is provided in the wiring groove;
  • the connector is implanted with a conductive material that electrically connects the conductive elastic wave and the circuit board.
  • the bone conduction vibrator further includes an elastic connecting piece, a connecting piece, and a circuit board; the connecting piece is connected to the conductive elastic wave and its two ends extend to opposite sides of the conductive elastic wave, respectively.
  • the conductive sheet is located outside the groove and connected to the connector, the circuit board is located in the groove and connected to the connector, and the other end of the voice coil is connected to the circuit board And the voice coil is electrically connected to the conductive elastic wave through the circuit board, and the elastic connecting piece is located between the conductive piece and the conductive elastic wave and connected to the connecting piece.
  • the conductive elastic wave includes an outer ring, an inner ring, and a plurality of connecting portions uniformly connected between the outer ring and the inner ring, and at least A solder joint for electrical connection.
  • At least one pair of the connecting portions is provided with copper foil for conducting electricity.
  • this embodiment adopts a bracket-free installation method, by connecting the conductive elastic wave to the U iron The open end of the conductive elastic wave is fixed, thereby reducing the steps of the production process, reducing production and labor costs, thereby increasing the product yield and improving the production efficiency; connecting the conductive elastic wave directly to the U iron, The structure is stable, and the parts in the bone conduction vibrator are reduced to reduce the overall volume of the bone conduction vibrator and improve the space utilization rate.
  • the embodiment of the utility model also provides a bone conduction vibrator, which includes a U iron, a magnet, a voice coil, a connector, a circuit board, an elastic connecting piece, a conductive piece and a conductive elastic wave;
  • the U iron is provided with a concave Groove;
  • the magnet is provided in the groove, the top of the magnet is provided with a washer, and a magnetic gap is formed between the outer side wall of the magnet and the inner side wall of the groove;
  • the elastic connecting piece is connected to the open end of the U iron, the connecting piece is connected to the elastic connecting piece, and both ends extend to opposite sides of the elastic connecting piece, and the circuit board is located in the concave Inside the groove and connected to the connecting piece, one end of the voice coil extends into the magnetic gap, and the other end of the voice coil is connected to the circuit board;
  • the conductive sheet is located outside the groove and connected to the connecting piece, the conductive elastic wave is connected to the connecting piece and is located between the conductive sheet and the elastic connecting sheet, and the conductive elastic The wave is electrically connected to the circuit board, and the conductive elastic wave is provided with a pad.
  • this embodiment adopts a bracketless installation mode, and is connected to the U iron through the elastic connecting piece. Fixing the conductive elastic wave, thereby reducing the steps of the production process, reducing production and labor costs, thereby increasing the product yield and improving production efficiency; directly connecting the conductive elastic wave to the U iron, the structure is stable, The components in the bone conduction vibrator are reduced to reduce the overall volume of the bone conduction vibrator and improve the space utilization rate.
  • the embodiment of the present invention also provides a bone conduction listening device, which includes the above-mentioned bone conduction vibrator.
  • the bone conduction listening device provided in this embodiment uses the bone conduction in the above embodiment
  • the vibrator by simplifying the structure of the bone conduction vibrator, the volume of the entire bone conduction vibrator is reduced, which can make the bone conduction listening device using the bone conduction vibrator lighter and more comfortable to wear.
  • the production process steps are reduced, the production and labor costs are reduced, and the production efficiency is improved.
  • FIG. 1 is a schematic diagram of the structure of a bone conduction vibrator provided by Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of the structure of the bone conduction vibrator provided in the second embodiment of the present invention.
  • Fig. 3 is a schematic diagram of the structure of the bone conduction vibrator provided in the third embodiment of the present invention.
  • FIG. 4 is a schematic diagram of the structure of the bone conduction vibrator provided by the fourth embodiment of the utility model
  • Figure 5 is a schematic diagram of the structure of the conductive bomb in the utility model.
  • FIGS. 1 to 4 are exemplary, and are intended to explain the embodiments of the present utility model, and should not be understood as a limitation of the present utility model.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the embodiments of the present invention, “multiple” means two or more than two, unless otherwise specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense.
  • they can be fixed connection or It can be detachably connected or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be a communication between two components or an interaction relationship between two components.
  • the specific meaning of the above-mentioned terms in the embodiments of the present utility model can be understood according to specific conditions.
  • a bone conduction vibrator which includes a U iron 10, a magnet 20, a voice coil 30, a conductive plate 40, and a conductive elastic wave 50;
  • the U iron 10 is provided with Groove 11;
  • the magnet 20 is arranged in the groove 11, the top of the magnet 20 is provided with a washer 21, and a magnetic gap is formed between the outer side wall of the magnet 20 and the inner side wall of the groove 11
  • the conductive elastic wave 50 is connected to the open end of the U iron 10, one end of the voice coil 30 extends into the magnetic gap, and the other end of the voice coil 30 is connected to the conductive elastic wave 50,
  • the conductive elastic wave 50 is provided with a pad 100, the conductive elastic wave 50 is electrically connected to the pad 100, and the conductive sheet 40 is connected to the voice coil 30 and is located outside the conductive elastic wave 50 .
  • this embodiment adopts a bracketless installation method, and fixes the conductive elastic wave 50 by connecting the conductive elastic wave 50 to the open end of the U iron 10, thereby reducing the steps of the production process, reducing production and labor.
  • the cost of the bone conduction vibrator is improved, thereby increasing the product yield and production efficiency; the conductive elastic wave 50 is directly connected to the U iron 10, the structure is stable, and the components in the bone conduction vibrator are reduced to reduce the bone conduction vibrator
  • the overall volume improves space utilization.
  • the U iron 10 includes a small-diameter cylinder 12, a large-diameter cylinder 13, and a connection between the small-diameter cylinder 12 and the large-diameter cylinder 13 Connecting ring 14, a magnetic gap is formed between the outer side wall of the magnet 20 and the inner side wall of the small diameter cylinder 12, the conductive elastic wave 50 is connected to the open end of the large diameter cylinder 13;
  • the outer diameter of the diameter cylinder 13 is greater than the outer diameter of the small diameter cylinder 12, the vertical cross section of the small diameter cylinder 12 is U-shaped, the magnet 20 is arranged in the small diameter cylinder 12,
  • the inner ring 57 of the connecting ring 14 is connected to the open end of the small diameter cylinder 12, the large diameter cylinder 13 is connected to the outer circumference of the connecting ring 14, and the conductive elastic wave 50 is connected to the The open end of the large-diameter cylinder 13; the small-diameter cylinder 12, the large-diameter cylinder 13
  • the conductive elastic wave 50 includes an outer ring 56, an inner ring 57, and a plurality of connecting portions 58 evenly connected between the outer ring 56 and the inner ring 57, Both the outer ring 56 and the inner ring 57 are provided with at least one welding point 59 for electrical connection; the thickness of the conductive elastic wave 50 ranges from 0.05 mm to 3 mm; the outer ring 56 and the The inner ring 57 increases the vibration of the voice coil 30, reduces power consumption, and improves the mechanical efficiency of bone conduction; the welding points 59 on the outer ring 56 are electrically connected to the pad 100, and the outer ring 56 is The welding points 59 on the inner ring 57 are conductive to each other, avoiding the use of voice coil leads, and also avoiding the loss of sound of the bone conduction vibrator due to the fracture of the voice coil lead, thereby reducing the thickness of the bone conduction vibrator and improving the bone conduction vibrator the quality of.
  • the conductive elastic wave 50 has at least one pair of the connecting portions 58 provided with copper foil; the welding points 59 on the outer ring 56 and the inner ring 57 are conducted through the copper foil.
  • the conductive elastic wave 50 is conducted through the copper foil, avoiding the use of voice coil leads, and also avoiding the loss of sound of the bone conduction vibrator due to the fracture of the voice coil lead, thereby reducing the thickness of the bone conduction vibrator and improving the bone conduction vibrator the quality of.
  • the bone conduction vibrator further includes a connecting piece 51 and a circuit board 52, and the connecting piece 51 and the conductive elastic
  • the wave 50 is connected and the two ends respectively extend to the opposite sides of the conductive elastic wave 50
  • the conductive sheet 40 is located outside the groove 11 and connected to the connector 51
  • the circuit board 52 is located in the Inside the groove 11 and connected to the connecting member 51
  • the circuit board 52 is fixedly connected to the voice coil 30, and the circuit board 52 is electrically connected to the conductive elastic wave 50 and the voice coil 30;
  • the circuit board 52 is electrically connected to the conductive elastic wave 50, instead of electrically connecting the circuit board 52 and the conductive elastic wave 50 through a voice coil lead, which avoids the breakage of the voice coil lead.
  • the bone conduction vibrator loses sound, thereby reducing the thickness of the bone conduction vibrator, improving the quality of the bone conduction vibrator, and having a stable structure.
  • a spacer 53 is connected between the conductive elastic wave 50 and the circuit board 52, and the spacer 53 is connected to the connecting member 51; the spacer 53 is added 53.
  • the connecting member 14 is provided with a wiring hole 55, and a conductive member electrically connected to the conductive elastic wave 50 and the circuit board 52 is provided in the wiring hole 55.
  • the connecting member 14 is provided with a wiring groove (not shown), and a conductive member electrically connected to the conductive elastic wave 50 and the circuit board 52 is provided in the wiring groove;
  • the connecting member 14 is implanted with a conductive material (not shown) that electrically connects the conductive elastic wave 50 and the circuit board 52, and the conductive material is, for example, solder.
  • the conductive member is arranged in the wiring hole 55 to avoid the frictional fracture of the wire vibration during operation, which may affect the bone conduction vibrator.
  • the above three methods can make the conductive elastic wave and the circuit board electrically connected.
  • the circuit board 52 is preferably a flexible circuit board.
  • the connecting member 51 may be a plastic member or a metal member.
  • the conductive member may be a wire or a solder bar, which has high stability.
  • the bone conduction vibrator further includes an elastic connecting piece 54, a connecting piece 51 and a circuit board 52;
  • the member 51 is connected to the conductive elastic wave 50 and its two ends respectively extend to opposite sides of the conductive elastic wave 50, and the conductive sheet 40 is located outside the groove 11 and connected to the connecting member 51,
  • the circuit board 52 is located in the groove 11 and connected to the connector 51, the other end of the voice coil 30 is connected to the circuit board 52, and the voice coil 30 passes through the circuit board 52
  • Electrically connected to the conductive elastic wave 50, the elastic connecting piece 54 is located between the conductive piece 40 and the conductive elastic wave 50 and connected to the connecting piece 51; the elastic connecting piece 54 is provided to improve the connection
  • the stability of the component 51 improves the reliability of the bone conduction vibrator, while avoiding the use of voice coil leads, and also avoids the loss of sound of the bone conduction vibrator due to the fracture of the voice coil lead, thereby reducing
  • a bone conduction vibrator which includes a U iron 10, a magnet 20, a voice coil 30, a connector 51, a circuit board 52, an elastic connecting piece 54, a conductive piece 40, and Conductive elastic wave 50;
  • the U iron is provided with a groove 11;
  • the magnet 20 is provided in the groove 11, the top of the magnet 20 is provided with a washer 21, the outer side wall of the magnet 20 and the A magnetic gap is formed between the inner side walls of the groove 11;
  • the elastic connecting piece 54 is connected to the open end of the U iron 10
  • the connecting piece 51 is connected to the elastic connecting piece 54 and the two ends respectively extend to opposite sides of the elastic connecting piece 54
  • the board 52 is located in the groove 11 and connected to the connecting member 51, one end of the voice coil 30 extends into the magnetic gap, and the other end of the voice coil 30 is connected to the circuit board 52;
  • the conductive sheet 40 is located outside the groove 11 and connected to the connecting piece 51, and the conductive elastic wave 50 is connected to the connecting piece 51 and located between the conductive sheet 40 and the elastic connecting piece 54
  • the conductive elastic wave 50 is electrically connected to the circuit board 52, a pad 100 is provided on the conductive elastic wave 50, and the pad 100 is electrically connected to the conductive elastic wave 50.
  • a bracketless installation method is adopted, and the elastic connecting piece 54 is connected to the U iron 10 to fix the conductive elastic wave 50, thereby reducing the steps of the production process, reducing production and labor costs, and improving Product yield rate, improve production efficiency; stable structure, reduce the components in the bone conduction vibrator to reduce the overall volume of the bone conduction vibrator, improve space utilization; at the same time through the conductive elastic wave 50 and the pad 100
  • the electrical connection avoids the use of voice coil leads and also avoids the loss of sound of the bone conduction vibrator due to the fracture of the voice coil lead, thereby reducing the thickness of the bone conduction vibrator and improving the quality of the bone conduction vibrator.
  • This embodiment provides a bone conduction listening device, including the bone conduction vibrator of the above-mentioned embodiment.
  • the bone conduction listening device may be a bone conduction hearing aid, a bone conduction smart glasses, a bone conduction smart helmet or a bone conduction headset,
  • the bone conduction listening device uses the bone conduction vibrator in the above embodiment. Due to the simplified structure of the bone conduction vibrator, the volume of the entire bone conduction vibrator becomes smaller, which can make the bone conduction listening device using the bone conduction vibrator lighter and more wearable. Comfortable. At the same time, during the manufacturing process of the entire bone conduction listening device, the production process steps are reduced, the production and labor costs are reduced, and the production efficiency is improved.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本实用新型属于骨传导装置技术领域，尤其涉及一种骨传导振子及骨传导听音装置，骨传导振子包括U铁、磁铁、音圈、传导片和导电弹波；所述U铁内设有凹槽；所述磁铁设于所述凹槽内，所述磁铁的顶部设有华司，所述磁铁的外侧壁与所述凹槽的内侧壁之间形成磁隙；所述导电弹波连接于所述U铁的开口端，所述音圈的一端伸入所述磁隙中，所述音圈的另一端与所述导电弹波连接，所述传导片连接于所述音圈并位于所述导电弹波的外侧；通过将所述导电弹波连接于所述U铁的开口端的方式固定所述导电弹波，从而减少生产工艺的步骤，减少生产以及人工的成本，从而提高产品成品率，提高生产效率，结构稳定。

Description

骨传导振子及骨传导听音装置 技术领域
本实用新型属于骨传导装置技术领域，尤其涉及一种骨传导振子及骨传导听音装置。
背景技术
声音传导的方式有空气振动和骨传导。一般情况下，人能够听见声音是因为空气通过外耳耳道把振动传递到耳膜，通过耳膜形成的振动驱动人的听觉神经，由此感知声音的振动。骨传导耳机在工作时，可以通常通过人的皮肤、皮下组织及骨骼传递到人的听觉神经，从而使人听到声音，但是现有技术中骨传导耳机的生产工艺复杂，导致加工成本高，不良率高。
实用新型内容
本实用新型的目的在于提供一种骨传导振子及骨传导听音装置，旨在解决现有技术中骨传导振子因生产工艺复杂而导致加工成本高，以及音圈引线易断而影响使用寿命的技术问题。
为实现上述目的，本实用新型实施例提供的一种骨传导振子，其中，包括U铁、磁铁、音圈、传导片和导电弹波；所述U铁内设有凹槽；所述磁铁设于所述凹槽内，所述磁铁的顶部设有华司，所述磁铁的外侧壁与所述凹槽的内侧壁之间形成磁隙；所述导电弹波连接于所述U铁的开口端，所述音圈的一端伸入所述磁隙中，所述音圈的另一端与所述导电弹波连接，所述导电弹波上设置有焊盘，所述传导片连接于所述音圈并位于所述导电弹波的外侧。
可选地，所述U铁包括小直径圆筒、大直径圆筒以及连接于所述小直径圆 筒和所述大直径圆筒之间的连接环，所述磁铁的外侧壁与所述小直径圆筒的内侧壁之间形成磁隙，所述导电弹波连接于所述大直径圆筒的开口端。
可选地，所述骨传导振子还包括连接件和电路板，所述连接件与所述导电弹波连接且两端分别延伸至所述导电弹波的相对两侧，所述传导片位于所述凹槽之外并与所述连接件连接，所述电路板位于所述凹槽之内并与所述连接件连接，所述电路板与所述音圈固定连接，且所述电路板与所述导电弹波和所述音圈电连接。
可选地，所述导电弹波与所述电路板之间连接有一垫块，所述垫块与所述连接件连接。
可选地，所述连接件上设有接线孔，所述接线孔内设有与所述导电弹波和电路板电连接的导电件；
或者所述连接件上设有接线槽，所述接线槽内设有与所述导电弹波和电路板电连接的导电件；
或者所述连接件植入有电连接所述导电弹波和所述电路板的导电材料。
可选地，所述骨传导振子还包括弹性连接片、连接件和电路板；所述连接件与所述导电弹波连接且其两端分别延伸至所述导电弹波的相对两侧，所述传导片位于所述凹槽之外并与所述连接件连接，所述电路板位于所述凹槽之内并与所述连接件连接，所述音圈的另一端于所述电路板连接，且所述音圈通过所述电路板与所述导电弹波电连接，所述弹性连接片位于所述传导片与所述导电弹波之间并与连接件连接。
可选地，所述导电弹波包括外圈、内圈和均匀连接于所述外圈和所述内圈之间的多个连接部，所述外圈和所述内圈上均设有至少一个用于电连接的焊接点。
可选地，至少一对所述连接部上设有用于导电的铜箔。
本实用新型实施例提供的骨传导振子中的上述一个或多个技术方案至少具有如下技术效果之一：本实施例采用无支架的安装方式，通过将所述导电弹波 连接于所述U铁的开口端的方式固定所述导电弹波，从而减少生产工艺的步骤，减少生产以及人工的成本，从而提高产品成品率，提高生产效率；将所述导电弹波直接连接于所述U铁上，结构稳定，减少所述骨传导振子内的零配件以使减少骨传导振子的整体体积，提高空间利用率。
本实用新型实施例还提供的一种骨传导振子，其中，包括U铁、磁铁、音圈、连接件、电路板、弹性连接片、传导片和导电弹波；所述U铁内设有凹槽；所述磁铁设于所述凹槽内，所述磁铁的顶部设有华司，所述磁铁的外侧壁与所述凹槽的内侧壁之间形成磁隙；
所述弹性连接片连接于所述U铁的开口端，所述连接件与所述弹性连接片连接且两端分别延伸至所述弹性连接片的相对两侧，所述电路板位于所述凹槽内并与所述连接件连接，所述音圈的一端伸入所述磁隙中，所述音圈的另一端与所述电路板连接；
所述传导片位于所述凹槽之外并与所述连接件连接，所述导电弹波与所述连接件连接并位于所述传导片与所述弹性连接片之间，且所述导电弹波与所述电路板电性连接，所述导电弹波上设置有焊盘。
本实用新型实施例提供的骨传导振子中的上述一个或多个技术方案至少具有如下技术效果之一：本实施例采用无支架的安装方式，通过所述弹性连接片与所述U铁连接以使固定所述导电弹波，从而减少生产工艺的步骤，减少生产以及人工的成本，从而提高产品成品率，提高生产效率；将所述导电弹波直接连接于所述U铁上，结构稳定，减少所述骨传导振子内的零配件以使减少骨传导振子的整体体积，提高空间利用率。
本实用新型实施例还提供一种骨传导听音装置，其包括上述的骨传导振子。
本实用新型实施例提供的骨传导听音装置中的上述一个或多个技术方案至少具有如下技术效果之一：本实施例提供的骨传导听音装置，由于使用有上述实施例中的骨传导振子，通过对该骨传导振子的结构简化，使得整个骨传导振子体积变小，这样可以使得使用有该骨传导振子的骨传导听音装置更加轻便， 佩戴更加舒适。同时，整个骨传导听音装置在生产制造过程中，减少了生产工艺的步骤，减少生产以及人工的成本，提高生产效率。
附图说明
为了更清楚地说明本实用新型实施例中的技术方案，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实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本实用新型实施例一提供的骨传导振子的结构示意图。
图2为本实用新型实施例二提供的骨传导振子的结构示意图。
图3为本实用新型实施例三提供的骨传导振子的结构示意图。
图4为本实用新型实施例四提供的骨传导振子的结构示意图
图5为本实用新型中导电弹波的结构示意图。
其中，图中各附图标记：
10—U铁          11—凹槽         12—小直径圆筒
13—大直径圆筒   14—连接环       20—磁铁
21—华司         30—音圈         40—传导片
50—导电弹波     51—连接件       52—电路板
53—垫块         54—弹性连接片   55—接线孔
56—外圈         57—内圈         58—连接部
59—焊接点       100—焊盘。
具体实施方式
下面详细描述本实用新型的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图1～4描述的实施例是示例性的，旨在用于解释本实用 新型的实施例，而不能理解为对本实用新型的限制。
在本实用新型实施例的描述中，需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型实施例和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示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一个或者更多个该特征。在本实用新型实施例的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本实用新型实施例中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型实施例中的具体含义。
实施例一
在本实施例中，如图1所示，提供一种骨传导振子，其中，包括U铁10、磁铁20、音圈30、传导片40和导电弹波50；所述U铁10内设有凹槽11；所述磁铁20设于所述凹槽11内，所述磁铁20的顶部设有华司21，所述磁铁20的外侧壁与所述凹槽11的内侧壁之间形成磁隙；所述导电弹波50连接于所述U铁10的开口端，所述音圈30的一端伸入所述磁隙中，所述音圈30的另一端与所述导电弹波50连接，所述导电弹波50上设置有焊盘100，所述导电弹波50与所述焊盘100电连接，所述传导片40连接于所述音圈30并位于所述导电弹波50的外侧。
其中，本实施例采用无支架的安装方式，通过将所述导电弹波50连接于所 述U铁10的开口端的方式固定所述导电弹波50，从而减少生产工艺的步骤，减少生产以及人工的成本，从而提高产品成品率，提高生产效率；将所述导电弹波50直接连接于所述U铁10上，结构稳定，减少所述骨传导振子内的零配件以使减少骨传导振子的整体体积，提高空间利用率。
在本实施例中，如图1所示，所述U铁10包括小直径圆筒12、大直径圆筒13以及连接于所述小直径圆筒12和所述大直径圆筒13之间的连接环14，所述磁铁20的外侧壁与所述小直径圆筒12的内侧壁之间形成磁隙，所述导电弹波50连接于所述大直径圆筒13的开口端；所述大直径圆筒13的外径大于所述小直径圆筒12的外径，所述小直径圆筒12的垂直截面呈U形，所述磁铁20设于所述小直径圆筒12内，所述连接环14的内圈57部与所述小直径圆筒12的开口端连接，所述大直径圆筒13连接于所述连接环14的外圆部，所述导电弹波50连接于所述大直径圆筒13的开口端；所述小直径圆筒12、所述大直径圆筒13与所述连接环14一体成型，结构稳定，便于加工生产，设置所述大直径圆筒13，所述导电弹波50连接于所述大直径圆筒13上，采用无支架的安装方式固定所述导电弹波50，结构稳定，且便于生产。
在本实施例中，如图5所示，所述导电弹波50包括外圈56、内圈57和均匀连接于所述外圈56和所述内圈57之间的多个连接部58，所述外圈56和所述内圈57上均设有至少一个用于电连接的焊接点59；所述导电弹波50的厚度取值范围为0.05mm～3mm；所述外圈56与所述内圈57加大所述音圈30的振动，降低功耗，提高骨传导的机械效率；所述外圈56上的焊接点59与所述焊盘100电连接，所述外圈56与所述内圈57上的焊接点59之间相互导电，避免使用了音圈引线，也避免了由于音圈引线断裂导致的骨传导振子失声，从而降低了骨传导振子的厚度，提高骨传导振子的质量。
在本实施例中，所述导电弹波50上至少有一对所述连接部58上设有铜箔；所述外圈56与所述内圈57上的焊接点59通过所述铜箔进行导电，所述导电弹波50通过所述铜箔进行导电，避免使用了音圈引线，也避免了由于音圈引线断 裂导致的骨传导振子失声，从而降低了骨传导振子的厚度，提高骨传导振子的质量。
实施例二
在本实施例中，如图2所示，所述骨传导振子与上述实施例的区别在于：所述骨传导振子还包括连接件51和电路板52，所述连接件51与所述导电弹波50连接且两端分别延伸至所述导电弹波50的相对两侧，所述传导片40位于所述凹槽11之外并与所述连接件51连接，所述电路板52位于所述凹槽11之内并与所述连接件51连接，所述电路板52与所述音圈30固定连接，且所述电路板52与所述导电弹波50和所述音圈30电连接；所述电路板52与所述导电弹波50电连接，代替把所述电路板52与所述导电弹波50之间通过音圈引线进行电连接的方式，避免了由于音圈引线断裂导致的骨传导振子失声，从而降低了骨传导振子的厚度，提高骨传导振子的质量，结构稳定。
在本实施例中，如图2所示，所述导电弹波50与所述电路板52之间连接有一垫块53，所述垫块53与所述连接件51连接；增设所述垫块53，减少所述导电弹波50与所述电路板52之间的轴向间隙，减少所述电路板52因振动产生的余振，从而提高所述电路板52的安装稳定性，提高所述骨传导振子结构稳定性。
在本实施例中，如图2所示，所述连接件14上设有接线孔55，所述接线孔55内设有与所述导电弹波50和电路板52电连接的导电件。
另一种实施方式是：所述连接件14上设有接线槽(图未示)，所述接线槽内设有与所述导电弹波50和电路板52电连接的导电件；
另一种实施方式是：所述连接件14植入有电连接所述导电弹波50和所述电路板52的导电材料(图未示)，导电材料例如是焊锡等。将所述导电件设置在所述接线孔55中，避免工作时导线振动而发生摩擦断裂造成对所述骨传导振子造成影响。
上述三种方式均可以使得导电弹波和所述电路板电性连接。
本实施例中，电路板52优选采用柔性电路板。
进一步地，本实施例中，连接件51可以是塑胶件或者金属件。
进一步地，本实施例中，导电件可以是导线或者焊锡条，稳定性高。
实施例三
在本实施例中，如图3所示，提供的所述骨传导振子与上述实施例的区别在于：所述骨传导振子还包括弹性连接片54、连接件51和电路板52；所述连接件51与所述导电弹波50连接且其两端分别延伸至所述导电弹波50的相对两侧，所述传导片40位于所述凹槽11之外并与所述连接件51连接，所述电路板52位于所述凹槽11之内并与所述连接件51连接，所述音圈30的另一端于所述电路板52连接，且所述音圈30通过所述电路板52与所述导电弹波50电连接，所述弹性连接片54位于所述传导片40与所述导电弹波50之间并与连接件51连接；设置所述弹性连接片54，提高所述连接件51的稳定性，提高所述骨传导振子的可靠性，同时避免使用了音圈引线，也避免了由于音圈引线断裂导致的骨传导振子失声，从而降低了骨传导振子的厚度，提高骨传导振子的质量。
实施例四
在本实施例中，如图4所示，提供一种骨传导振子，其中，包括U铁10、磁铁20、音圈30、连接件51、电路板52、弹性连接片54、传导片40和导电弹波50；所述U铁内设有凹槽11；所述磁铁20设于所述凹槽11内，所述磁铁20的顶部设有华司21，所述磁铁20的外侧壁与所述凹槽11的内侧壁之间形成磁隙；
所述弹性连接片54连接于所述U铁10的开口端，所述连接件51与所述弹性连接片54连接且两端分别延伸至所述弹性连接片54的相对两侧，所述电路板52位于所述凹槽11内并与所述连接件51连接，所述音圈30的一端伸入所述磁隙中，所述音圈30的另一端与所述电路板52连接；
所述传导片40位于所述凹槽11之外并与所述连接件51连接，所述导电弹波50与所述连接件51连接并位于所述传导片40与所述弹性连接片54之间， 且所述导电弹波50与所述电路板52电性连接，所述导电弹波50上设置有焊盘100，所述焊盘100与所述导电弹波50电连接。
本实施例采用无支架的安装方式，通过所述弹性连接片54与所述U铁10连接以使固定所述导电弹波50，从而减少生产工艺的步骤，减少生产以及人工的成本，从而提高产品成品率，提高生产效率；结构稳定，减少所述骨传导振子内的零配件以使减少骨传导振子的整体体积，提高空间利用率；同时通过所述导电弹波50与所述焊盘100电连接，避免使用了音圈引线，也避免了由于音圈引线断裂导致的骨传导振子失声，从而降低了骨传导振子的厚度，提高骨传导振子的质量。
实施例五
本实施例提供了一种骨传导听音装置，包括上述一实施例的骨传导振子，所述骨传导听音装置可以为骨传导助听器、骨传导智能眼镜、骨传导智能头盔或骨传导耳机，骨传导听音装置使用上述实施例中的骨传导振子，由于骨传导振子结构简化，整个骨传导振子体积变小，这样可以使得使用有该骨传导振子的骨传导听音装置更加轻便，佩戴更加舒适。同时，整个骨传导听音装置在生产制造过程中，减少了生产工艺的步骤，减少生产以及人工的成本，提高生产效率。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。

Claims (10)

  1. 一种骨传导振子，其特征在于，包括U铁、磁铁、音圈、传导片和导电弹波；所述U铁内设有凹槽；所述磁铁设于所述凹槽内，所述磁铁的顶部设有华司，所述磁铁的外侧壁与所述凹槽的内侧壁之间形成磁隙；所述导电弹波连接于所述U铁的开口端，所述音圈的一端伸入所述磁隙中，所述音圈的另一端与所述导电弹波连接，所述导电弹波上设置有焊盘，所述传导片连接于所述音圈并位于所述导电弹波的外侧。
  2. 根据权利要求1所述的骨传导振子，其特征在于，所述U铁包括小直径圆筒、大直径圆筒以及连接于所述小直径圆筒和所述大直径圆筒之间的连接环，所述磁铁的外侧壁与所述小直径圆筒的内侧壁之间形成磁隙，所述导电弹波连接于所述大直径圆筒的开口端。
  3. 根据权利要求1所述的骨传导振子，其特征在于，所述骨传导振子还包括连接件和电路板，所述连接件与所述导电弹波连接且两端分别延伸至所述导电弹波的相对两侧，所述传导片位于所述凹槽之外并与所述连接件连接，所述电路板位于所述凹槽之内并与所述连接件连接，所述电路板与所述音圈固定连接，且所述电路板与所述导电弹波和所述音圈电连接。
  4. 根据权利要求3所述的骨传导振子，其特征在于，所述导电弹波与所述电路板之间连接有一垫块，所述垫块与所述连接件连接。
  5. 根据权利要求3所述的骨传导振子，其特征在于，所述连接件上设有接线孔，所述接线孔内设有与所述导电弹波和电路板电连接的导电件；
    或者所述连接件上设有接线槽，所述接线槽内设有与所述导电弹波和电路板电连接的导电件；
    或者所述连接件植入有电连接所述导电弹波和所述电路板的导电材料。
  6. 根据权利要求1所述的骨传导振子，其特征在于，所述骨传导振子还包括弹性连接片、连接件和电路板；所述连接件与所述导电弹波连接且其两端分别 延伸至所述导电弹波的相对两侧，所述传导片位于所述凹槽之外并与所述连接件连接，所述电路板位于所述凹槽之内并与所述连接件连接，所述音圈的另一端于所述电路板连接，且所述音圈通过所述电路板与所述导电弹波电连接，所述弹性连接片位于所述传导片与所述导电弹波之间并与连接件连接。
  7. 根据权利要求1～6任一项所述的骨传导振子，其特征在于，所述导电弹波包括外圈、内圈和均匀连接于所述外圈和所述内圈之间的多个连接部，所述外圈和所述内圈上均设有至少一个用于电连接的焊接点。
  8. 根据权利要求7所述的骨传导振子，其特征在于，至少一对所述连接部上设有用于导电的铜箔。
  9. 一种骨传导振子，其特征在于，包括U铁、磁铁、音圈、连接件、电路板、弹性连接片、传导片和导电弹波；所述U铁内设有凹槽；所述磁铁设于所述凹槽内，所述磁铁的顶部设有华司，所述磁铁的外侧壁与所述凹槽的内侧壁之间形成磁隙；
    所述弹性连接片连接于所述U铁的开口端，所述连接件与所述弹性连接片连接且两端分别延伸至所述弹性连接片的相对两侧，所述电路板位于所述凹槽内并与所述连接件连接，所述音圈的一端伸入所述磁隙中，所述音圈的另一端与所述电路板连接；
    所述传导片位于所述凹槽之外并与所述连接件连接，所述导电弹波与所述连接件连接并位于所述传导片与所述弹性连接片之间，且所述导电弹波与所述电路板电性连接，所述导电弹波上设置有焊盘。
  10. 一种骨传导听音装置，其特征在于，包括权利要求1～9任一项所述的骨传导振子。
PCT/CN2020/091159 2019-05-29 2020-05-20 骨传导振子及骨传导听音装置 WO2020238708A1 (zh)

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