WO2015165307A1 - 高低频音效可调的骨传导震子 - Google Patents

高低频音效可调的骨传导震子 Download PDF

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Publication number
WO2015165307A1
WO2015165307A1 PCT/CN2015/074474 CN2015074474W WO2015165307A1 WO 2015165307 A1 WO2015165307 A1 WO 2015165307A1 CN 2015074474 W CN2015074474 W CN 2015074474W WO 2015165307 A1 WO2015165307 A1 WO 2015165307A1
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frequency sound
bone conduction
low frequency
magnet
circuit board
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PCT/CN2015/074474
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English (en)
French (fr)
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张小成
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苏州佑克骨传导科技有限公司
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Publication of WO2015165307A1 publication Critical patent/WO2015165307A1/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

Definitions

  • the utility model relates to a bone conduction vibrator with adjustable high and low frequency sound effects.
  • Conventional earphones generally attach the earphones to the ear holes or to the ear holes.
  • the earphones vibrate the air, and the air vibrates the eardrum of the person to transmit the sound to the human brain.
  • This kind of earphones because it needs to be attached to the ear hole or plugged in the ear hole when using it, when people cross the road, they can not hear the whistle of the car, which is quite dangerous;
  • the use of such headphones at a high volume has an effect on the human eardrum, which can cause human tinnitus and severely cause hearing loss.
  • the existing high-low frequency sound adjustable bone conduction seismic structure has the following defects: 1.
  • the leakage sound is serious in the main body of the earphone; 2.
  • the internal structure causes noise phenomenon; 3.
  • the stereo sound effect is poor; 4.
  • the utility model overcomes the deficiencies of the prior art, and provides a bone conduction vibrator with adjustable high and low frequency sound effects with reduced external vibration.
  • a bone conduction vibrator with adjustable high and low frequency sound effects comprising a cylindrical outer casing and a elastic piece disposed near the bottom of the outer casing, the elastic piece including the elastic body, Opening at least two notches on the elastic body of the outer casing, the notches divide the elastic body into at least two elastic blocks of different sizes, and the elastic body is provided with a bowl toward a side of the opening of the outer casing a bracket, a bottom of the bracket is provided with a magnet, and an opening of the outer casing is provided with a circuit board and an upper cover located outside the circuit board, and the circuit board is disposed on a side of the bracket a coil, the coil being concentric with the magnet and at least partially covering the magnet.
  • the bone conduction transducer having adjustable high and low frequency sounds further includes supporting the elastic body and the circuit board through the annular support frame.
  • the bone conduction transducer having adjustable high and low frequency sounds further includes a radially inwardly extending boss on the bottom of the outer casing, and the elastic piece is placed on the boss.
  • the bone conduction transducer having adjustable high and low frequency sound effects further comprises the thickness of the elastic body being 0.15-0.20 mm.
  • the bone conduction transducer having adjustable high and low frequency sounds further comprises the body of the elastic piece being circular.
  • the high- and low-frequency sound-adjustable bone-conducting vibrator further includes the notch extending in a radial direction, and the notch divides the shrapnel body into at least two fan-shaped elastic blocks of different sizes. .
  • the bone conduction transducer having adjustable high and low frequency sounds further includes a distance between the elastic body of the elastic body and the bottom wall of the inner cylinder of the outer casing of 1.5-2.5 mm.
  • the bone conduction transducer having adjustable high and low frequency sounds further includes a receiving cavity for receiving the magnet in a center of the bowl bottom of the bracket.
  • the bone conduction transducer having adjustable high and low frequency sounds further includes the coil being electrically connected to the circuit board.
  • the bone conduction transducer having adjustable high and low frequency sounds further includes at least one annular rib on the outer circumferential surface of the outer casing.
  • the utility model solves the defects existing in the background art.
  • the utility model has the advantages of simple structure, no noise, reduced external vibration, noise reduction and comfortable wearing, and the magnet is generated by the magnetic field force through the change of the electric signal strength. Vibrate, the magnet emits different high and low audio by hitting different sizes of bullets, and can adjust the high and low frequency sound effects. It is suitable for various users and has a wide range of applications.
  • Figure 1 is an exploded view of a preferred embodiment of the present invention
  • Figure 2 is a cross-sectional view of a preferred embodiment of the present invention.
  • Figure 3 is a plan view of a spring piece of a preferred embodiment of the present invention.
  • outer casing 4, shrapnel, 6, magnet, 8, coil, 10, upper cover, 12, step, 14, shrapnel body, 16, slot, 18, spring block, 20, contact, 22, Support frame, 24, bracket, 26, circuit board, 28, raised.
  • a bone conduction transducer with adjustable high and low frequency sound effects includes a cylindrical outer casing 2 and a spring piece 4 disposed near the bottom of the outer casing 2.
  • the present invention preferably has a casing bottom provided with a radial direction.
  • the inwardly extending boss 6, the elastic piece 4 is placed on the boss 6, the elastic piece 4 is a thin metal piece, and the elastic piece 4 comprises the elastic piece body 8, and at least two notches 10 which are opened on the elastic body 8 from the outside to the inside, the notch 10
  • the spring body 8 is divided into at least two spring blocks 12 of different sizes.
  • the elastic body 8 is provided with a bowl-shaped bracket 14 on the side of the opening of the outer casing 2.
  • the present invention preferably uses the elastic block 12.
  • the bottom of the bracket 14 is spot-welded, and the bottom of the bracket 14 is provided with a magnet 16. Further, the bottom of the bowl of the bracket 14 is centrally provided with a receiving cavity 18 for receiving the magnet 16, and the magnet 16 is fixed in the bracket 14, and the outer casing 2 is
  • the circuit board 20 and the upper cover 22 located outside the circuit board 20 are disposed at the opening.
  • the upper end surface of the upper cover 22 is flush with the upper end surface of the outer casing 2.
  • the upper cover 22 of the present invention preferably is waterproof with the outer casing 2 and the circuit board 20 respectively.
  • the glue is bonded and fixed, and the elastic body 8 and the circuit board 20 Between the support frame 24 by an annular support bracket 20 toward the side of the circuit board 14 is provided with a coil 26, coil 26 is electrically connected to the circuit board 20, and the magnetic coil 26 The iron 16 is concentrically disposed and at least partially covered with the magnet 16.
  • the internal structure of the vibrator is firmly fixed without noise, and the magnet 16 transmits the vibration to the spring block 12 of different sizes, forming a different contact 28 with the spring block 12, by hitting Different high and low audio, high and low frequency sound effects can be adjusted to meet the needs of different users, and the overall size is small, which is easy to cooperate with the main body of the earphone to reduce external vibration and achieve noise reduction.
  • the thickness d1 of the elastic body 8 is preferably 0.15-0.20 mm, and the elastic body 8 is circular, but is not limited to a circular shape, and may be an elliptical shape, a square shape or the like.
  • the notch 10 extends in the radial direction, and the notch 10 divides the elastic body 14 into at least two sector-shaped blocks 12 of different sizes. Further preferably, the number of the slots 10 is four, and the notch 10 will be the body of the spring. 8 is divided into four fan-shaped blocks 12 of different sizes.
  • the present invention preferably has a d2 of a distance between the shrapnel body 8 and the inner bottom wall of the outer casing 2 of 1.5 to 2.5 mm.
  • the outer surface of the outer casing 2 of the present invention preferably has a circular cross section for easy insertion into the main body of the earphone, does not require additional auxiliary components, reduces the requirements on the main body structure of the earphone, and facilitates the processing of the main body of the earphone, but is not limited to a circular shape. It can also be square, oval, etc.
  • the outer peripheral surface of the outer casing 2 is provided with at least one annular rib 30 for facilitating the engagement with the groove in the earphone main body, achieving stable assembly of the outer casing 2 and the earphone main body, reducing external vibration and realizing noise reduction.
  • the magnet 16 When the utility model is used, when the coil 26 is energized, the magnet 16 vibrates under the action of the magnetic field force as the electric signal changes, and the magnet 16 emits different high and low audio by hitting the fan-shaped elastic blocks 12 of different sizes.
  • the high and low frequency sound effects are adjustable, so that the human bones can hear different high and low frequency sound effects and satisfy the preferences of different users.

Abstract

本实用新型涉及一种高低频音效可调的骨传导震子，包括筒形外壳以及靠近所述外壳筒底设置的弹片，所述弹片包括弹片本体、由外向内开设在所述弹片本体上的至少两个槽口，所述槽口将所述弹片本体分成至少两个大小不同的弹块，所述弹片本体朝向所述外壳开口的一侧设置有碗形支架，所述支架的碗底设置有磁铁，所述外壳的开口处设置有线路板以及位于所述线路板外侧的上盖，所述线路板朝向所述支架的一侧设置有线圈，所述线圈与所述磁铁同心设置并至少部分包覆所述磁铁。本实用新型结构简单，没有杂音，能减少外部震动，磁铁在磁场力的作用下发生震动，磁铁通过击打大小不同的弹块，发出不同的高、低音频，可调节高低频音效，适合各种使用者。

Description

高低频音效可调的骨传导震子 技术领域
本实用新型涉及一种高低频音效可调的骨传导震子。
背景技术
传统的耳塞式耳机，一般都是将耳机贴在耳朵孔或塞在耳朵孔内，耳机通过振动空气，空气再振动人的耳膜，而将声音传到人脑。这种耳塞式耳机，由于在使用时需要将耳机贴在耳朵孔或塞在耳朵孔内，当人们在过马路时就听不到汽车的鸣笛声，那是相当危险的；另外，如果长期大音量地使用这种耳机，对人的耳膜有影响，会引起人的耳鸣，严重地会造成听力下降。现有出现了一种骨传导耳机，将电信号变为震动信号，通过与人体的听骨接触，使人听到声音，声音不需要经过空气传播，耳机也不必贴在耳朵孔或塞在耳朵孔内。但是现有高低频音效可调的骨传导震子结构存在以下缺陷：1、安装在耳机主体内漏音严重；2、内部结构导致杂音现象发生；3、声音立体声效果差；4、外部震动感太大，影响佩戴的舒适性；5、高低频音效不可调，无法满足各使用者的需求，使用范围窄。
实用新型内容
本实用新型克服了现有技术的不足，提供一种减少外部震动的高低频音效可调的骨传导震子。
为达到上述目的，本实用新型采用的技术方案为：一种高低频音效可调的骨传导震子，包括筒形外壳以及靠近所述外壳筒底设置的弹片，所述弹片包括弹片本体、由外向内开设在所述弹片本体上的至少两个槽口，所述槽口将所述弹片本体分成至少两个大小不同的弹块，所述弹片本体朝向所述外壳开口的一侧设置有碗形支架，所述支架的碗底设置有磁铁，所述外壳的开口处设置有线路板以及位于所述线路板外侧的上盖，所述线路板朝向所述支架的一侧设置有 线圈，所述线圈与所述磁铁同心设置并至少部分包覆所述磁铁。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述弹片本体和线路板之间通过环形支撑架支撑。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述外壳筒底设置有径向向内的凸台，所述弹片置于所述凸台上。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述弹片本体的厚度为0.15-0.20mm。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述弹片本体呈圆形。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述槽口沿径向延伸，所述槽口将所述弹片本体分成至少两个大小不同的扇形弹块。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述弹片本体与所述外壳的内筒底壁之间的距离为1.5-2.5mm。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述支架的碗底居中设置有收容所述磁铁的收容腔。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述线圈与所述线路板电连接。
本实用新型一个较佳实施例中，高低频音效可调的骨传导震子进一步包括所述外壳的外周面上设有至少一个环形凸筋。
本实用新型解决了背景技术中存在的缺陷，本实用新型结构简单，没有杂音，能减少外部震动，实现降噪，佩戴舒适，同时通过电信号的强弱变化实现磁铁在磁场力的作用下发生震动，磁铁通过击打大小不同的弹块，发出不同的高、低音频，可调节高低频音效，适合各种使用者，适用范围广。
附图说明
下面结合附图和实施例对本实用新型进一步说明。
图1是本实用新型的优选实施例的爆炸图；
图2是本实用新型的优选实施例的剖面图；
图3是本实用新型的优选实施例的弹片的俯视图；
图中：2、外壳，4、弹片，6、磁铁，8、线圈，10、上盖，12、台阶，14、弹片本体，16、槽口，18、弹块，20、触点，22、支撑架，24、支架，26、线路板，28、凸起。
具体实施方式
现在结合附图和实施例对本实用新型作进一步详细的说明，这些附图均为简化的示意图，仅以示意方式说明本实用新型的基本结构，因此其仅显示与本实用新型有关的构成。
如图1、图2所示，一种高低频音效可调的骨传导震子，包括筒形外壳2以及靠近外壳2筒底设置的弹片4，本实用新型优选外壳2筒底设置有径向向内的凸台6，弹片4置于凸台6上，弹片4为薄金属片，弹片4包括弹片本体8、由外向内开设在弹片本体8上的至少两个槽口10，槽口10将弹片本体8分成至少两个大小不同的弹块12，弹片本体8朝向外壳2开口的一侧设置有碗形支架14，为了进一步实现弹片4与支架14的连接，本实用新型优选弹块12与支架14的碗底点焊连接，支架14的碗底设置有磁铁16，进一步的，支架14的碗底居中设置有收容磁铁16的收容腔18，磁铁16稳固在支架14内，外壳2的开口处设置有线路板20以及位于线路板20外侧的上盖22，上盖22的上端面与外壳2的上端面平齐，本实用新型优选上盖22分别与外壳2、线路板20通过防水胶水实现粘接固定，弹片本体8和线路板20之间通过环形支撑架24支撑，线路板20朝向支架14的一侧设置有线圈26，线圈26与线路板20电连接，线圈26与磁 铁16同心设置并至少部分包覆磁铁16，震子结构内部安装稳固，没有杂音，同时磁铁16将震动传递给大小不同的弹块12，与弹块12形成不同的触点28，通过击打发出不同的高、低音频，高低频音效可调，满足不同使用者的喜爱，且整体体积小，便于与耳机主体配合，减少外部震动，实现降噪。
本实用新型优选弹片本体8的厚度d1为0.15-0.20mm，弹片本体8呈圆形，但并不局限于圆形，也可以为椭圆形、方形等。如图3所示，槽口10沿径向延伸，槽口10将弹片本体14分成至少两个大小不同的扇形弹块12，进一步优选槽口10的数量为四个，槽口10将弹片本体8分成四个大小不同的扇形弹块12。为了达到更好的立体声效果，本实用新型优选弹片本体8与外壳2的内底壁之间的距离的d2为1.5-2.5mm。
本实用新型优选外壳2的外表面横截面呈圆形，便于置入耳机主体内，不需要另外的辅助部件，降低对耳机主体结构的要求，便于耳机主体的加工，但并不局限于圆形，也可以为方形、椭圆形等。外壳2的外周面上设有至少一个环形凸筋30，便于与耳机主体内的凹槽卡接，实现外壳2与耳机主体的稳固装配，减少外部震动，实现降噪。
本实用新型在使用时，当线圈26通电时，随着电信号的强弱变化，磁铁16在磁场力的作用下发生震动，磁铁16通过击打不同大小的扇形弹块12，发出不同高低音频，高低频音效可调，使人的听骨听到不同高低频音效，满足不同使用者的喜爱。
以上依据本实用新型的理想实施例为启示，通过上述的说明内容，相关人员完全可以在不偏离本项实用新型技术思想的范围内，进行多样的变更以及修改。本项实用新型的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定技术性范围。

Claims (10)

  1. 一种高低频音效可调的骨传导震子，包括筒形外壳以及靠近所述外壳筒底设置的弹片，其特征在于：所述弹片包括弹片本体、由外向内开设在所述弹片本体上的至少两个槽口，所述槽口将所述弹片本体分成至少两个大小不同的弹块，所述弹片本体朝向所述外壳开口的一侧设置有碗形支架，所述支架的碗底设置有磁铁，所述外壳的开口处设置有线路板以及位于所述线路板外侧的上盖，所述线路板朝向所述支架的一侧设置有线圈，所述线圈与所述磁铁同心设置并至少部分包覆所述磁铁。
  2. 根据权利要求1所述的高低频音效可调的骨传导震子，其特征在于：所述弹片本体和线路板之间通过环形支撑架支撑。
  3. 根据权利要求1所述的高低频音效可调的骨传导震子，其特征在于：所述外壳筒底设置有径向向内的凸台，所述弹片置于所述凸台上。
  4. 根据权利要求3所述的高低频音效可调的骨传导震子，其特征在于：所述弹片本体的厚度为0.15-0.20mm。
  5. 根据权利要求4所述的高低频音效可调的骨传导震子，其特征在于：所述弹片本体呈圆形。
  6. 根据权利要求5所述的高低频音效可调的骨传导震子，其特征在于：所述槽口沿径向延伸，所述槽口将所述弹片本体分成至少两个大小不同的扇形弹块。
  7. 根据权利要求3所述的高低频音效可调的骨传导震子，其特征在于：所述弹片本体与所述外壳的内筒底壁之间的距离为1.5-2.5mm。
  8. 根据权利要求1所述的高低频音效可调的骨传导震子，其特征在于：所述支架的碗底居中设置有收容所述磁铁的收容腔。
  9. 根据权利要求1所述的高低频音效可调的骨传导震子，其特征在于：所述线圈与所述线路板电连接。
  10. 根据权利要求1所述的高低频音效可调的骨传导震子，其特征在于：所述外壳的外周面上设有至少一个环形凸筋。
PCT/CN2015/074474 2014-04-28 2015-03-18 高低频音效可调的骨传导震子 WO2015165307A1 (zh)

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CN203840524U (zh) * 2014-04-28 2014-09-17 苏州佑克骨传导科技有限公司 高低频音效可调的骨传导震子
CN104967935A (zh) * 2015-06-12 2015-10-07 苏州佑克骨传导科技有限公司 适用于骨传导耳机的大功率振子
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