WO2013044550A1 - Armature apparatus for moving iron microphone/transducer - Google Patents

Armature apparatus for moving iron microphone/transducer Download PDF

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Publication number
WO2013044550A1
WO2013044550A1 PCT/CN2011/082122 CN2011082122W WO2013044550A1 WO 2013044550 A1 WO2013044550 A1 WO 2013044550A1 CN 2011082122 W CN2011082122 W CN 2011082122W WO 2013044550 A1 WO2013044550 A1 WO 2013044550A1
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WO
WIPO (PCT)
Prior art keywords
armature
vibration
transducer
moving iron
armature device
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PCT/CN2011/082122
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French (fr)
Chinese (zh)
Inventor
周巍
Original Assignee
苏州恒听电子有限公司
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Application filed by 苏州恒听电子有限公司 filed Critical 苏州恒听电子有限公司
Publication of WO2013044550A1 publication Critical patent/WO2013044550A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/01—Transducers used as a loudspeaker to generate sound aswell as a microphone to detect sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones

Definitions

  • the present invention relates to an energy conversion and vibration generating device, and more particularly to an armature device for use in a micro-moving iron microphone/transducer, and belongs to the field of electroacoustics and micro-mechanics.
  • the armature devices for moving iron microphones/transducers currently on the market generally adopt the "U” type, "E” type or flat type.
  • the "U” type armature When used, the "U” type armature is made up of its “U”. One end of the bending is connected to the yoke, and the other end is used as a vibration transducing part.
  • the armature is made in a relatively simple manner, but the variation between the workpieces is large and the assembly process at the rear end is complicated; the "E” type armature uses its “E” "The two ends of the type are connected to the yoke, and the middle part of the "E” type is the vibration transducing part.
  • This armature is mechanically more rigid than the "U” type armature, but the armature is very complicated to manufacture and the difference between the workpieces is large.
  • the flat armature is similar to the "E” type armature and is also relatively simple to manufacture. However, the flatness of the workpiece and the mechanical structure of the workpiece with which it is matched have become the bottleneck for its widespread use. In short, the existing armature devices generally have insufficient structural rigidity, poor resistance to mechanical impulses, complicated manufacturing processes, and high human and equipment costs.
  • the armature device needs special material, and it is impossible to flexibly change the stiffness of the transducer part by fine-tuning the mechanical shape of the connection part, thereby limiting the scope of use of the specific armature device and weakening its competitive advantage.
  • the present invention is directed to an armature device for a moving iron microphone/transducer that combines tradition
  • the advantages of the armature design and reasonable avoidance of its structural defects can effectively improve the mechanical impact resistance of the armature device, and the content of the invention has good manufacturability and large cost advantages, thereby overcoming the prior art. Insufficient.
  • the various derivative and variant applications of the present invention also greatly expand the scope of its use, so that it has a large technical expansion space and good market promotion.
  • An armature device for a moving iron microphone/transducer comprising a vibration transducing portion at a middle portion thereof, a connecting portion of a magnetic conductive portion and a tail end of the both side wings, characterized in that: the vibration transducing The portion is a planar structure, and the armature device is constructed by connecting the connecting portion which is a planar structure and the magnetic guiding portions of the two side wings orthogonal thereto.
  • the armature device can be changed by adjusting only the mechanical shape of the connecting portion without changing the vibration transducing and magnetically permeable portions.
  • the mechanical rigidity of the armature device is achieved.
  • the specific implementation has two kinds of concave and convex shapes, and the shapes are (but not limited to): semi-circular, circular, triangular, square, rectangular and trapezoidal; convex Semicircles, arcs, triangles, squares, rectangles, and trapezoids.
  • the armature device is made of a soft magnetic alloy such as soft iron, A3 steel, or permalloy which is relatively high in magnetic permeability.
  • the armature device is made by a punching and bending one-shot forming process in the manufacturing process.
  • the armature device may be selected from resistance, laser or ultrasonic welding due to the weldability of the material of its choice, and the connection between the vibration conduction of the moving iron microphone/transducer and the yoke device.
  • the invention ensures the magnetic circuit is smooth On the basis of the combination, the design advantages are integrated and the structural defects are reasonably avoided.
  • the unique vibration transducing part and the magnetic conducting part are orthogonal to each other, which can effectively improve the mechanical impact resistance of the armature device;
  • the armature structure design of the invention is clean and stable, and is convenient for punching and bending processing, and has better manufacturability and greater cost advantage than the conventional armature structure;
  • the armature device of the present invention can also adjust the mechanical shape of the connecting portion to change the mechanical rigidity of the system without changing the vibration transducing and the magnetic conductive portion to realize various derivative and variant applications to satisfy different microphones.
  • the frequency response requirements of the transducer greatly expand the scope of its use, giving it a large space for technological development and good marketability.
  • FIG. 1 is a schematic structural view of a conventional "U" type armature device
  • FIG. 2 is a schematic structural view of a conventional "E" type armature device
  • FIG. 3 is a schematic structural view of a conventional flat armature device
  • Figure 4 is a schematic view showing the structure of an armature device for a moving iron microphone/transducer according to the present invention
  • Figure 5 is an armature device for a moving iron microphone/transducer of the present invention applied to a moving iron microphone/ Schematic diagram of the cross-sectional structure in the transducer;
  • Figure 6 is a schematic view showing various derivations and variants of the connecting portion of the armature device for the moving iron microphone/transducer of the present invention.
  • A1-vibration transducing section A2-magnetic conducting section, A3-connecting section
  • B1-vibration conduction device B2-armature device, B3-diaphragm, B4-yoke, B5-magnet, B6-induction coil, B7-shield, B8-induction coil signal line, B9-speaker.
  • the present embodiment relates to an armature device B2 for use in a moving iron microphone/transducer comprising a vibration transducing portion A1 at its central portion, a magnetically conductive portion A2 and a trailing end of the wings on both sides
  • the connecting portion A3 is composed of the above-mentioned vibration transducing portion A1 which is divided into a planar structure, and is connected to the two-winged magnetic conducting portion A2 which is orthogonal to the planar connecting portion A3, and constitutes the armature device B2.
  • the armature device B2 in this embodiment is fabricated by a punching and bending one-shot forming process.
  • the two-side wing magnetic conducting portion A2 of the armature device B2 is fixedly connected to the yoke device B4, and combined with the magnet piece B5 and the induction coil B6 to form the aforementioned Vibration/transformation drive mechanism in a moving iron microphone/transducer. Further, the front end protruding portion of the central vibration transducing portion A1 of the armature device B2 is connected to the vibration transmitting device B1.
  • the alternating current signal passes through the induction coil B6 along the induction coil signal line B8, and thereby generates an electromagnetic induction effect to induce an alternating magnetic field, and the alternating magnetic field magnetizes the armature device in the vibration/transmission drive mechanism.
  • the armature device B2 is pushed and pulled according to the principle of the same pole repulsive and the opposite pole attraction, and the magnet piece B5 is pushed and pulled, thereby driving the vibration conducting device B1 connected to the armature device B2 to be orthogonal to the armature device B2.
  • the direction of the vibration is generated.
  • the diaphragm B3 When the vibration displacement is transmitted from the vibration transmitting device B1 to the diaphragm B3 connected thereto, the diaphragm B3 is driven to generate vibration, causing the surrounding air to vibrate, thereby being emitted from the front end of the shielding shell B7.
  • Port B9 emits a sound that completes the transducing effect from electrical energy to magnetic energy to mechanical energy and finally to acoustic energy.
  • the invention integrates the design advantages and reasonablely avoids the structural defects on the basis of ensuring the smooth flow of the magnetic circuit, and adopts a structure in which the unique vibration transducing portion is orthogonal to the magnetic conductive portion.
  • the utility model can effectively improve the mechanical shock resistance of the armature device and prolong the service life of the microphone/transducer product using the armature device of the invention; moreover, the armature structure of the invention is designed to be clean, stable and convenient. Punching, bending, production equipment and related mold structures are much larger than conventional armatures, so they have better manufacturability and greater cost advantages; the armature device of the present invention can also be used without changing vibrations.
  • the mechanical shape of the connecting part is adjusted to change the mechanical stiffness of the system to achieve various derivative and variant applications to meet the frequency response requirements of different microphones/transducers.
  • the specific implementation has two kinds of concave and convex shapes, and the shapes are (but not limited to): semi-circular, circular, triangular, square, rectangular and trapezoidal; convex Semi-circular, circular, triangular, square, rectangular and trapezoidal, which greatly expands the scope of its use, giving it a large technical expansion space and Of good marketing.

Abstract

Disclosed is an armature apparatus having an improved structure for use in a moving iron microphone/transducer, which armature apparatus comprises a vibration transducing part (A1) located at the centre of an armature, magnetically conducting parts (A2) in two side limbs, and a connecting part (A3) at the end thereof, characterized in that the vibration transducing part has a planar structure, and by means of the connecting part which also has a planar structure, is connected to the magnetically conducting parts in the two side limbs which are orthogonal thereto, forming the armature apparatus. The advantages of the present invention at least lie in the fact that: compared with conventional armature apparatuses, the mechanical structure of the vibration transducing part in the centre of the armature and the magnetically conducting parts is improved, significantly increasing the resistance of the armature apparatus to mechanical shock; compared with conventional designs, the manufacturability of the design of the armature apparatus in the present invention is higher and costs are lower; and, moreover, the armature apparatus can also satisfy the need for different frequency responses of various microphones/transducers by means of modifying the mechanical shape of the connecting part while not altering the vibration transducing and magnetically conducting parts, thus giving a wide field of application.

Description

用于动铁式传声器 /换能器的电枢装置 技术领域  Armature device for moving iron microphone/transducer
本发明涉及一种能量转换与振动发生装置， 特别涉及一种应用于微型动铁 式传声器 /换能器中的电枢装置， 属于电声学和微型机械学领域。  The present invention relates to an energy conversion and vibration generating device, and more particularly to an armature device for use in a micro-moving iron microphone/transducer, and belongs to the field of electroacoustics and micro-mechanics.
背景技术 Background technique
目前市场上的用于动铁式传声器 /换能器的电枢装置普遍采用 "U" 型， "E" 型或平板型三种方式， 使用时， "U"型电枢由其 "U"型弯折的一端与磁轭连接， 另一端作为振动换能部分， 此种电枢制作相对筒单， 但工件间变差大且后端组 装工艺复杂； "E" 型电枢使用其 "E" 型两端与磁轭连接， "E" 型中间部分为振 动换能部分， 此种电枢较之 "U" 型电枢机械刚性更强， 但电枢制作非常复杂且 工件间变差大； 平板型电枢使用上与 "E" 型电枢近似且制作也相对筒单， 但工 件平整度的保证和与其配合的工件的机械结构设计成为了其被广泛使用的瓶颈 所在。 总之， 现有的电枢装置普遍存在结构刚性不足， 抗机械沖力能力差， 且 制造工艺复杂， 人力及设备成本高等不足； 更进一步的， 对于不同的传声器 /换 能器频率响应需求， 现有的电枢装置需要专材专用， 无法通过微调连接部分机 械形状来灵活改变换能部分刚度， 从而限制了特定电枢装置的使用范围， 削弱 了其竟争优势。  The armature devices for moving iron microphones/transducers currently on the market generally adopt the "U" type, "E" type or flat type. When used, the "U" type armature is made up of its "U". One end of the bending is connected to the yoke, and the other end is used as a vibration transducing part. The armature is made in a relatively simple manner, but the variation between the workpieces is large and the assembly process at the rear end is complicated; the "E" type armature uses its "E" "The two ends of the type are connected to the yoke, and the middle part of the "E" type is the vibration transducing part. This armature is mechanically more rigid than the "U" type armature, but the armature is very complicated to manufacture and the difference between the workpieces is large. The flat armature is similar to the "E" type armature and is also relatively simple to manufacture. However, the flatness of the workpiece and the mechanical structure of the workpiece with which it is matched have become the bottleneck for its widespread use. In short, the existing armature devices generally have insufficient structural rigidity, poor resistance to mechanical impulses, complicated manufacturing processes, and high human and equipment costs. Further, for different microphone/transducer frequency response requirements, existing The armature device needs special material, and it is impossible to flexibly change the stiffness of the transducer part by fine-tuning the mechanical shape of the connection part, thereby limiting the scope of use of the specific armature device and weakening its competitive advantage.
发明内容 Summary of the invention
本发明旨在提出一种用于动铁式传声器 /换能器的电枢装置， 其综合了传统 电枢设计的优点并合理规避了其结构缺陷， 可以有效的提高电枢装置的抗机械 沖击性能， 并且， 本发明内容具有良好的可制造性和较大成本优势， 从而克服 了现有技术中的不足。 同时， 本发明的各种衍生、 变体应用还大大扩宽了其使 用范围， 使其具有较大的技术拓展空间和很好的市场推广性。 The present invention is directed to an armature device for a moving iron microphone/transducer that combines tradition The advantages of the armature design and reasonable avoidance of its structural defects can effectively improve the mechanical impact resistance of the armature device, and the content of the invention has good manufacturability and large cost advantages, thereby overcoming the prior art. Insufficient. At the same time, the various derivative and variant applications of the present invention also greatly expand the scope of its use, so that it has a large technical expansion space and good market promotion.
为实现上述发明目的， 本发明采用了如下技术方案：  In order to achieve the above object, the present invention adopts the following technical solutions:
一种用于动铁式传声器 /换能器的电枢装置， 其包括位于其中部的振动换能 部分， 两侧翼的导磁部分和尾端的连接部分组成， 其特征在于： 所述振动换能 部分为一平面结构， 通过同为平面结构的所述连接部分和与其正交的两侧翼所 述导磁部分连接， 构成所述电枢装置。  An armature device for a moving iron microphone/transducer comprising a vibration transducing portion at a middle portion thereof, a connecting portion of a magnetic conductive portion and a tail end of the both side wings, characterized in that: the vibration transducing The portion is a planar structure, and the armature device is constructed by connecting the connecting portion which is a planar structure and the magnetic guiding portions of the two side wings orthogonal thereto.
进一步的， 为了满足各种传声器 /换能器的不通频率响应需求， 所述电枢装 置可以通过在不改变所述振动换能和导磁部分的情况下只调整所述连接部分机 械形状以改变所述电枢装置的机械刚度来实现。 具体实现方式有连接部分内凹 式和外凸式两种， 可供选择的形状有 （但不仅限于）： 内凹的半圆形、 圆弧形、 三角形、 正方形、 矩形和梯形； 外凸的半圆形、 圆弧形、 三角形、 正方形、 矩 形和梯形。  Further, in order to meet the non-passing frequency response requirements of various microphones/transducers, the armature device can be changed by adjusting only the mechanical shape of the connecting portion without changing the vibration transducing and magnetically permeable portions. The mechanical rigidity of the armature device is achieved. The specific implementation has two kinds of concave and convex shapes, and the shapes are (but not limited to): semi-circular, circular, triangular, square, rectangular and trapezoidal; convex Semicircles, arcs, triangles, squares, rectangles, and trapezoids.
所述电枢装置在材料上使用导磁率比较高的软铁、 A3钢以及坡莫合金等软 磁合金来制造。  The armature device is made of a soft magnetic alloy such as soft iron, A3 steel, or permalloy which is relatively high in magnetic permeability.
同时， 所述电枢装置在制作工艺上由沖切、 弯折一次成型工艺制成。  At the same time, the armature device is made by a punching and bending one-shot forming process in the manufacturing process.
此外， 所述电枢装置由于其选用材料的可焊性， 与所述动铁式传声器 /换能 器的振动传导及磁轭装置之间的连接方式可选择电阻、 激光或超声波焊接。  Further, the armature device may be selected from resistance, laser or ultrasonic welding due to the weldability of the material of its choice, and the connection between the vibration conduction of the moving iron microphone/transducer and the yoke device.
与现有技术相比， 本发明的优点在于：  The advantages of the present invention over the prior art are:
( 1 )较之现有 "U" 型， "E" 型及平板型电枢装置， 本发明在保证磁路畅 通的基础上综合了其设计优点并合理规避了其结构缺陷， 采用了独有的振动换 能部分与导磁部分正交的结构， 可以有效的提高电枢装置的抗机械沖击性能；(1) Compared with the existing "U" type, "E" type and flat type armature device, the invention ensures the magnetic circuit is smooth On the basis of the combination, the design advantages are integrated and the structural defects are reasonably avoided. The unique vibration transducing part and the magnetic conducting part are orthogonal to each other, which can effectively improve the mechanical impact resistance of the armature device;
( 2 )本发明中电枢结构设计筒洁、 稳定， 方便于进行沖切、 弯折加工， 较 之传统电枢结构具有更好的可制造性和较大成本优势； (2) The armature structure design of the invention is clean and stable, and is convenient for punching and bending processing, and has better manufacturability and greater cost advantage than the conventional armature structure;
( 3 )本发明中的电枢装置还可以在不改变振动换能和导磁部分的情况下只 调整连接部分机械形状以改变系统机械刚度来实现各种衍生、 变体应用， 以满 足不同传声器 /换能器的频率响应需求， 大大扩宽了其使用范围， 使其具有较大 的技术拓展空间和很好的市场推广性。  (3) The armature device of the present invention can also adjust the mechanical shape of the connecting portion to change the mechanical rigidity of the system without changing the vibration transducing and the magnetic conductive portion to realize various derivative and variant applications to satisfy different microphones. / The frequency response requirements of the transducer greatly expand the scope of its use, giving it a large space for technological development and good marketability.
附图说明 DRAWINGS
图 1是现有 "U" 型电枢装置结构示意图；  1 is a schematic structural view of a conventional "U" type armature device;
图 2是现有 "E" 型电枢装置结构示意图；  2 is a schematic structural view of a conventional "E" type armature device;
图 3是现有平板型电枢装置结构示意图；  3 is a schematic structural view of a conventional flat armature device;
图 4是本发明用于动铁式传声器 /换能器的电枢装置结构示意图； 图 5是本发明用于动铁式传声器 /换能器的电枢装置应用于一种动铁式传声 器 /换能器中的剖面结构示意图；  Figure 4 is a schematic view showing the structure of an armature device for a moving iron microphone/transducer according to the present invention; Figure 5 is an armature device for a moving iron microphone/transducer of the present invention applied to a moving iron microphone/ Schematic diagram of the cross-sectional structure in the transducer;
图 6 是本发明用于动铁式传声器 /换能器的电枢装置的连接部分的各种衍 生、 变体结构示意图；  Figure 6 is a schematic view showing various derivations and variants of the connecting portion of the armature device for the moving iron microphone/transducer of the present invention;
图中各附图标记及其所指示的组件分别为：  The reference numerals in the figures and the components indicated therein are:
A1-振动换能部分， A2-导磁部分， A3-连接部分  A1-vibration transducing section, A2-magnetic conducting section, A3-connecting section
B1-振动传导装置， B2-电枢装置， B3-振膜， B4-磁轭， B5-磁铁片， B6-感 应线圈， B7-屏蔽壳， B8-感应线圈信号线， B9-出声口。 具体实施方式 B1-vibration conduction device, B2-armature device, B3-diaphragm, B4-yoke, B5-magnet, B6-induction coil, B7-shield, B8-induction coil signal line, B9-speaker. detailed description
以下结合附图及一较佳实施例对本发明的技术方案作进一步的说明。  The technical solutions of the present invention are further described below in conjunction with the accompanying drawings and a preferred embodiment.
参阅图 4-6 ,本实施例涉及一种应用于动铁式传声器 /换能器的电枢装置 B2 , 其包括位于其中部的振动换能部分 A1 ,两侧翼的导磁部分 A2和尾端的连接部分 A3组成， 前述振动换能部 A1 分为一平面结构， 通过同为平面结构的连接部分 A3和与其正交的两侧翼导磁部分 A2连接， 构成电枢装置 B2。  Referring to Figures 4-6, the present embodiment relates to an armature device B2 for use in a moving iron microphone/transducer comprising a vibration transducing portion A1 at its central portion, a magnetically conductive portion A2 and a trailing end of the wings on both sides The connecting portion A3 is composed of the above-mentioned vibration transducing portion A1 which is divided into a planar structure, and is connected to the two-winged magnetic conducting portion A2 which is orthogonal to the planar connecting portion A3, and constitutes the armature device B2.
由于振动换能部 A1和两侧翼导磁部分 A2改良的设计为相互正交结构， 优 选的， 该实施例中的电枢装置 B2采用沖切、 弯折一次成型工艺制作。  Since the vibration transducing portion A1 and the two side wing magnetic conducting portions A2 are modified to have mutually orthogonal structures, it is preferable that the armature device B2 in this embodiment is fabricated by a punching and bending one-shot forming process.
当具体的应用于动铁式传声器 /换能器中时， 前述电枢装置 B2 的两侧翼导 磁部分 A2与磁轭装置 B4固定连接， 并和磁铁片 B5与感应线圈 B6组合， 共同 构成前述动铁式传声器 /换能器中的振动 /换能驱动机构。 而前述电枢装置 B2的 中部振动换能部分 A1的前端突出部分则用于和振动传导装置 B1连接。  When specifically applied to the moving iron microphone/transducer, the two-side wing magnetic conducting portion A2 of the armature device B2 is fixedly connected to the yoke device B4, and combined with the magnet piece B5 and the induction coil B6 to form the aforementioned Vibration/transformation drive mechanism in a moving iron microphone/transducer. Further, the front end protruding portion of the central vibration transducing portion A1 of the armature device B2 is connected to the vibration transmitting device B1.
工作时， 交变电流信号沿感应线圈信号线 B8通过感应线圈 B6 , 并由此产生 电磁感应效应而感生交变磁场， 前述交变磁场会磁化前述振动 /换能驱动机构中 的电枢装置 B2 , 前述电枢装置 B2会根据同极相斥， 异极相吸的原理与磁铁片 B5发生推拉作用， 从而带动连接于电枢装置 B2上的振动传导装置 B1沿与电枢 装置 B2正交的方向产生振动位移， 当振动位移由振动传导装置 B1传播到与其 连接的振膜 B3时， 前述振膜 B3受驱动产生振动， 带动其周围空气振动， 从而 由置于屏蔽壳 B7前端的出声口 B9发出声音， 完成由电能至磁能再至机械能最 终至声能的换能效应。  During operation, the alternating current signal passes through the induction coil B6 along the induction coil signal line B8, and thereby generates an electromagnetic induction effect to induce an alternating magnetic field, and the alternating magnetic field magnetizes the armature device in the vibration/transmission drive mechanism. B2, the armature device B2 is pushed and pulled according to the principle of the same pole repulsive and the opposite pole attraction, and the magnet piece B5 is pushed and pulled, thereby driving the vibration conducting device B1 connected to the armature device B2 to be orthogonal to the armature device B2. The direction of the vibration is generated. When the vibration displacement is transmitted from the vibration transmitting device B1 to the diaphragm B3 connected thereto, the diaphragm B3 is driven to generate vibration, causing the surrounding air to vibrate, thereby being emitted from the front end of the shielding shell B7. Port B9 emits a sound that completes the transducing effect from electrical energy to magnetic energy to mechanical energy and finally to acoustic energy.
本发明较之现有的电枢装置， 在保证磁路畅通的基础上综合了其设计优点 并合理规避了其结构缺陷， 采用了独有的振动换能部分与导磁部分正交的结构， 可以有效的提高电枢装置的抗机械沖击性能， 延长使用本发明中电枢装置的传 声器 /换能器产品的使用寿命； 而且， 本发明中电枢结构设计筒洁、 稳定， 方便 于进行沖切、 弯折加工， 生产设备及相关模具结构较之传统电枢大为筒化， 因 此具有更好的可制造性和较大成本优势； 本发明中的电枢装置还可以在不改变 振动换能和导磁部分的情况下只调整连接部分机械形状以改变系统机械刚度来 实现各种衍生、 变体应用， 以满足不同传声器 /换能器的频率响应需求， 其衍生、 变体应用的具体实现方式有连接部分内凹式和外凸式两种， 可供选择的形状有 (但不仅限于）： 内凹的半圆形、 圆弧形、 三角形、 正方形、 矩形和梯形； 外凸 的半圆形、 圆弧形、 三角形、 正方形、 矩形和梯形， 由此大大扩宽了其使用范 围， 使其具有较大的技术拓展空间和很好的市场推广性。 Compared with the existing armature device, the invention integrates the design advantages and reasonablely avoids the structural defects on the basis of ensuring the smooth flow of the magnetic circuit, and adopts a structure in which the unique vibration transducing portion is orthogonal to the magnetic conductive portion. The utility model can effectively improve the mechanical shock resistance of the armature device and prolong the service life of the microphone/transducer product using the armature device of the invention; moreover, the armature structure of the invention is designed to be clean, stable and convenient. Punching, bending, production equipment and related mold structures are much larger than conventional armatures, so they have better manufacturability and greater cost advantages; the armature device of the present invention can also be used without changing vibrations. In the case of transducer and magnetically permeable parts, only the mechanical shape of the connecting part is adjusted to change the mechanical stiffness of the system to achieve various derivative and variant applications to meet the frequency response requirements of different microphones/transducers. The specific implementation has two kinds of concave and convex shapes, and the shapes are (but not limited to): semi-circular, circular, triangular, square, rectangular and trapezoidal; convex Semi-circular, circular, triangular, square, rectangular and trapezoidal, which greatly expands the scope of its use, giving it a large technical expansion space and Of good marketing.
以上对本发明的目的、 技术方案和有益效果进行了进一步详细说明， 所应 理解的是， 以上所述仅为本发明的较佳实施例而已， 并不用于限制本发明， 凡 在本发明的精神和原则之内， 所做的任何修改、 等同替换、 改进等， 均应包含 在本发明的保护范围之内。  The above is a detailed description of the objects, technical solutions, and advantages of the present invention. It is to be understood that the foregoing is only the preferred embodiments of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the scope of the present invention are intended to be included within the scope of the present invention.

Claims

1. 一种用于动铁式传声器 /换能器的电枢装置， 其特征在于： 所述电枢装 置包括位于其中部的振动换能部分， 两侧翼的导磁部分和尾端的连接部分组成。 An armature device for a moving iron microphone/transducer, characterized in that: the armature device comprises a vibration transducing portion at a middle portion thereof, and a connecting portion of a magnetic conducting portion and a tail end of the both wings .
2. 根据权利要求 1 所述的用于动铁式传声器 /换能器的电枢装置， 其特征 在于： 所述振动换能部分为一平面结构， 通过同为平面结构的所述连接部分和 与其正交的两侧翼所述导磁部分连接， 构成所述电枢装置。  2. The armature device for a moving iron microphone/transducer according to claim 1, wherein: the vibration transducing portion is a planar structure, and the connecting portion is a planar structure The magnetically conductive portions are connected to the opposite side wings thereof to constitute the armature device.
3. 根据权利要求 1和 2所述的用于动铁式传声器 /换能器的电枢装置， 其 特征在于： 为了满足各种传声器 /换能器的不通频率响应需求， 所述电枢装置可 以通过在不改变所述振动换能和导磁部分的情况下只调整所述连接部分机械形 状以改变所述电枢装置的机械刚度来实现。 具体实现方式有连接部分内凹式和 外凸式两种， 可供选择的形状有（但不仅限于）： 内凹的半圆形、 圆弧形、 三角 形、 正方形、 矩形和梯形； 外凸的半圆形、 圆弧形、 三角形、 正方形、 矩形和 梯形。  3. An armature device for a moving iron microphone/transducer according to claims 1 and 2, characterized in that: in order to meet the radio frequency response requirements of various microphones/transducers, the armature device This can be achieved by merely adjusting the mechanical shape of the connecting portion to change the mechanical rigidity of the armature device without changing the vibration transducing and magnetically permeable portions. The specific implementation has two kinds of concave and convex shapes, and the shapes are (but not limited to): semi-circular, circular, triangular, square, rectangular and trapezoidal; convex Semicircles, arcs, triangles, squares, rectangles, and trapezoids.
4. 根据权利要求 1和 2所述的用于动铁式传声器 /换能器的电枢装置， 其 特征在于： 所述电枢装置在材料上使用导磁率比较高的软铁、 A3钢以及坡莫合 金等软磁合金来制造。  4. The armature device for a moving iron microphone/transducer according to claims 1 and 2, wherein: the armature device uses soft iron, A3 steel with relatively high magnetic permeability and material on the material. Manufactured from soft magnetic alloys such as permalloy.
5. 根据权利要求 1和 2和 3所述的用于动铁式传声器 /换能器的电枢装置， 其特征在于： 所述电枢装置在制作工艺上由沖切、 弯折一次成型工艺制成。  5. The armature device for a moving iron microphone/transducer according to claims 1 and 2 and 3, wherein: the armature device is formed by a die cutting and bending forming process in a manufacturing process production.
6. 根据权利要求 1和 2和 3所述的动铁式传声器 /换能器， 其特征在于： 所述传声器 /换能器中使用了所述电枢装置， 所述传声器 /换能器中磁轭装置与 所述电枢装置的两侧翼导磁部分连接， 并和磁铁片与感应线圈组合， 共同构成 所述动铁式传声器 /换能器中的振动 /换能驱动机构。 当交变电流信号通过所述 感应线圈， 并由此产生电磁感应效应而感生交变磁场， 所述交变磁场会磁化所 述振动 /换能驱动机构中的电枢装置， 所述电枢装置会根据同极相斥， 异极相吸 的原理与所述磁片发生推拉作用， 从而带动连接于所述电枢装置上的振动传导 装置沿与所述电枢装置正交的方向产生振动位移， 当振动位移由所述振动传导 装置传播到与其连接的振膜， 所述振膜受驱动产生振动， 带动其周围空气振动， 从而发出声音， 完成由电能至磁能再至机械能最终至声能的换能效应。 6. A moving iron microphone/transducer according to claims 1 and 2 and 3, characterized in that: said armature device is used in said microphone/transducer, said microphone/transducer The yoke device is connected to the magnetically conductive portions of the two wings of the armature device, and is combined with the magnet piece and the induction coil to form a common A vibration/transformation drive mechanism in the moving iron microphone/transducer. An alternating magnetic field is induced when an alternating current signal passes through the induction coil and thereby generating an electromagnetic induction effect, the alternating magnetic field magnetizing an armature device in the vibration/transmission drive mechanism, the armature The device generates a push-pull action with the magnetic sheet according to the principle of the same pole repulsive and the opposite pole attracting, thereby driving the vibration conducting device connected to the armature device to generate vibration in a direction orthogonal to the armature device. Displacement, when the vibration displacement is transmitted by the vibration conducting device to the diaphragm connected thereto, the diaphragm is driven to generate vibration, causing the surrounding air to vibrate, thereby generating a sound, completing the electrical energy to the magnetic energy and then the mechanical energy to the final acoustic energy. The effect of the conversion.
7. 根据权利要求 6 所述的动铁式传声器 /换能器， 其特征在于： 所述动铁 式传声器 /换能器中的电枢装置与振动传导装置之间的连接方式为电阻、 激光或 超声波焊接。  7. The moving iron microphone/transducer according to claim 6, wherein: the connection between the armature device and the vibration transmitting device in the moving iron microphone/transducer is resistance, laser Or ultrasonic welding.
8. 根据权利要求 6 所述的动铁式传声器 /换能器， 其特征在于： 所述动铁 式传声器 /换能器中的电枢与磁轭装置之间的连接方式为电阻、 激光或超声波焊 接。  8. The moving iron microphone/transducer according to claim 6, wherein: the connection between the armature and the yoke device in the moving iron microphone/transducer is resistance, laser or Ultrasonic welding.
PCT/CN2011/082122 2011-09-30 2011-11-12 Armature apparatus for moving iron microphone/transducer WO2013044550A1 (en)

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