CN107948881A

CN107948881A - A kind of bone-conduction speaker

Info

Publication number: CN107948881A
Application number: CN201810015448.9A
Authority: CN
Inventors: 张磊; 廖风云; 齐心
Original assignee: Shenzhen Voxtech Co Ltd
Current assignee: Shenzhen Voxtech Co Ltd
Priority date: 2018-01-08
Filing date: 2018-01-08
Publication date: 2018-04-20
Also published as: CN117395572A

Abstract

This application involves a kind of magnetic circuit component of bone-conduction speaker, including the first magnetic element, the first magnetic conductive component and the second magnetic conductive component.First magnetic element produces the first magnetic field.At least partly described second magnetic conductive component forms magnetic gap around first magnetic element between first magnetic element.The magnetic circuit component further includes at least one second magnetic element.At least one second magnetic element connects the first magnetic conductive component upper surface.At least one second magnetic element produces the second magnetic field, and magnetic field intensity of first magnetic field in the magnetic gap is improved in second magnetic field.

Description

A kind of bone-conduction speaker

Technical field

This application involves a kind of bone-conduction speaker, more particularly to the magnetic circuit component in bone-conduction speaker.

Background technology

Bone-conduction speaker can convert the electrical signal to mechanical oscillation signal, and vibration signal is passed through tissue and bone Head is conducted into cochlea, user is heard sound.Air vibration is driven to produce sound by vibrating diaphragm relative to gas conduction speaker, Osteoacusis vibrating speaker need drive user soft tissue and bone vibrated, thus its required mechanical output compared with It is high.Improving the sensitivity of bone-conduction speaker can make electric energy be converted into the more efficient of mechanical energy, so as to export the machine of bigger Tool power.Improve sensitivity and seem even more important for the higher bone-conduction speaker of power requirement.

Summary

The application is the magnetic circuit component on a kind of bone-conduction speaker.The magnetic circuit component can include, the first magnetic member Part, first magnetic element produce the first magnetic field；First magnetic conductive component；Second magnetic conductive component, at least part of second magnetic conduction Element ring forms magnetic gap around first magnetic element between first magnetic element；And at least one second magnetism Element, at least one second magnetic element connect the first magnetic conductive component upper surface, at least one second magnetic element production Raw second magnetic field, which improves the magnetic field intensity of first magnetic field in the magnetic gap.

According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one second magnetic element The angle of the direction of magnetization of property element is at 150 degree between 180 degree.

It is the thickness of first magnetic element and first magnetic element, described according to some embodiments of the present application The ratio range of the sum of the thickness of at least one second magnetic element and first magnetic conductive component is 0.4-0.6.

According to some embodiments of the present application, the thickness of at least one second magnetic element is equal to the described first magnetism The thickness of element.

According to some embodiments of the present application, the thickness of at least one second magnetic element is less than the described first magnetism The thickness of element.

According to some embodiments of the present application, the magnetic circuit component further comprises at least one 3rd magnetic element, institute At least one 3rd magnetic element is stated around at least one second magnetic element.

According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 3rd magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.

According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 3rd magnetic element Property element the direction of magnetization between angle be not less than 90 degree.

According to some embodiments of the present application, the magnetic circuit component, further comprises at least one 4th magnetic element, its In, at least one 4th magnetic element connects second magnetic conductive component and at least one 3rd magnetic element.

According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 4th magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.

According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 4th magnetic element Property element the direction of magnetization between angle be not less than 90 degree.

According to some embodiments of the present application, the magnetic circuit component, further comprises at least one 5th magnetic element, its In, at least one 5th magnetic element is located at the lower section of the magnetic gap and connects first magnetic element and described Second magnetic conductive component.

According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 5th magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.

According to some embodiments of the present application, the direction of magnetization and first magnetic of at least one 5th magnetic element Property element the direction of magnetization between angle be not more than 90 degree.

According to some embodiments of the present application, the magnetic circuit component, further comprises the 3rd magnetic conductive component, and the described 3rd leads Magnetic cell connects at least one second magnetic element.

A part of bells and whistles of the application can illustrate in the following description.By to being described below and accordingly The inspection of attached drawing or production or the understanding of operation to embodiment, the skill of a part of bells and whistles of the application for this area Art personnel are obvious.Herein disclosed characteristic can pass through various methods, the means to specific embodiments described below Practice or use with combination are achieved or reach.

Attached drawing describes

Attached drawing described herein is used for providing further understanding of the present application, forms the part of the application, the application Schematic description and description be used for explain the application, do not form the restriction to the application.In the various figures, identical label Represent same parts.

Fig. 1 is a kind of construction module figure of bone-conduction speaker according to some embodiments of the present application；

Fig. 2 is a kind of Longitudinal cross section schematic of bone-conduction speaker according to some embodiments of the present application；

Fig. 3 A are a kind of Longitudinal cross section schematics of magnetic circuit component according to some embodiments of the present application；

Fig. 3 B are a kind of Longitudinal cross section schematics of magnetic circuit component according to some embodiments of the present application；

Fig. 3 C are a kind of Longitudinal cross section schematics of magnetic circuit component according to some embodiments of the present application；

Fig. 3 D are a kind of Longitudinal cross section schematics of magnetic circuit component according to some embodiments of the present application；

Fig. 3 E are a kind of Longitudinal cross section schematics of magnetic circuit component according to some embodiments of the present application；

Fig. 3 F are a kind of Longitudinal cross section schematics of magnetic circuit component according to some embodiments of the present application；

Fig. 4 A are a kind of cross-sectional views of magnetic element according to some embodiments of the present application；

Fig. 4 B are a kind of schematic diagrames of magnetic element according to some embodiments of the present application；

Fig. 4 C are the direction of magnetization schematic diagrames of magnetic element in magnetic circuit component according to some embodiments of the present application；

Fig. 4 D are the line of magnetic induction distribution maps of magnetic element in magnet assembly according to some embodiments of the present application；

Fig. 5 is a kind of structure diagram of bone-conduction speaker according to some embodiments of the present application；

Fig. 6 is a kind of structure diagram of bone-conduction speaker according to some embodiments of the present application.

Specifically describe

In order to illustrate more clearly of the technical solution of embodiments herein, make required in being described below to embodiment Attached drawing is briefly described.It should be evident that drawings in the following description are only some examples or the implementation of the application Example, without creative efforts, can also be according to these attached drawings for those of ordinary skill in the art The application is applied to other similar to scene.It should be appreciated that these exemplary embodiments are provided just for the sake of making association area Technical staff better understood when and then realize the present invention, and not limit the scope of the invention in any way.Unless Apparent or separately explain from language environment, identical label represents identical structure or operation in figure.

As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one The word such as kind " and/or "the" not refers in particular to odd number, may also comprise plural number.It is, in general, that term " comprising " is only prompted to wrap with "comprising" Include clearly identify the step of and element, and these steps and element do not form one it is exclusive enumerate, method or equipment The step of may also including other or element.Term "based" is " being based at least partially on ".Term " one embodiment " represents " at least one embodiment "；Term " another embodiment " expression " at least one further embodiment ".The correlation of other terms is determined Justice provides in will be described below.Hereinafter, without loss of generality, in describing the present invention osteoacusis correlation technique when, " bone will be used The description of conduction speaker " or " bone conduction earphone ".The description is only a kind of form of osteoacusis application, for the field For those of ordinary skill, " loudspeaker " or " earphone " can also be replaced with other similar words, such as " player ", " hearing aid " Deng.In fact, the various implementations in the present invention can be easily applied on the hearing device of other non-loudspeaker classes. For example, for those skilled in the art, may be without departing substantially from this after the basic principle of bone-conduction speaker is understood In the case of principle, the various amendments in form and details are carried out with step to the concrete mode for implementing bone-conduction speaker and are changed Become, especially, ambient sound pickup and processing function are added in bone-conduction speaker, the loudspeaker is realized the work(of hearing aid Energy.For example, the microphone such as microphone can pick up the sound of user/wearer's surrounding environment, under certain algorithm, by sound (or the electric signal produced) is sent to bone-conduction speaker part after sound processing.I.e. bone-conduction speaker can pass through necessarily Modification, adds the functions of picking up surrounding sounds, and after certain signal processing by bone-conduction speaker part by sound User/wearer is passed to, so as to fulfill the function of ossiphone.As an example, algorithm mentioned here can wrap Include noise elimination, automatic growth control, acoustic feedback suppression, wide dynamic range compression, active Context awareness, active anti-noise, orientation The combination of the one or more such as processing, tinnitus processing, multi-channel wide dynamic range compression, active chauvent's criterion, volume control.

The present invention provides a kind of highly sensitive bone-conduction speaker.In certain embodiments, the bone-conduction speaker It can include magnetic circuit component.The magnetic circuit component can include the first magnetic element, the first magnetic conductive component, the second magnetic conductive component with And one or more second magnetic elements.First magnetic element can produce the first magnetic field, and one or more of second Magnetic element forms magnetic gap around first magnetic element between first magnetic element.It is one or more A second magnetic element produces the second magnetic field, and magnetic field intensity of first magnetic field in magnetic gap is improved in second magnetic field. Multiple second magnetic elements in the magnetic circuit component set around first magnetic element and can improve magnetic gap magnetic field In the case of intensity, the sensitivity of raising bone-conduction speaker, the volume and weight of magnetic circuit component are reduced, osteoacusis is improved and raises one's voice The efficiency of device, increases the service life of bone-conduction speaker.

The bone-conduction speaker has the characteristics that small, light-weight, efficient, high sensitivity and service life are long, Easy to which the bone-conduction speaker is combined with wearable intelligent equipment, so as to fulfill the multifunction of single equipment, improve And optimize user experience.The wearable intelligent equipment includes but not limited to intelligent earphone, intelligent glasses, intelligent head hoop, intelligence The helmet, intelligent watch, Intelligent glove, intelligent shoe, intelligent camera, intelligent camera etc..The bone-conduction speaker can be into It is combined with intellectual material to one step, osteoacusis is integrated in the manufacture material of the clothes of user, gloves, cap, shoes etc. and is raised Sound device.The bone-conduction speaker can also further be implanted into human body, be implanted into chip with human body or external processor cooperates with fact Now more personalized function.

Fig. 1 is a kind of construction module figure of bone-conduction speaker 100 according to some embodiments of the present application.Such as figure Described, bone-conduction speaker 100 can include a magnetic circuit component 102,104, support components 106 of a vibration component with An and storage assembly 108.

Magnetic circuit component 102 can provide magnetic field.The magnetic field, which can be used for the signal containing acoustic information being converted into, to shake Dynamic signal.In certain embodiments, the acoustic information can be included with the video of format, audio file or can To be converted into the data or file of sound by particular approach.The signal containing acoustic information may come from osteoacusis and raise The storage assembly 108 of sound device 100 itself, can be from the information beyond bone-conduction speaker 100 and produces, stores or pass Delivery system.It is a kind of or more that the signal containing acoustic information can include electric signal, optical signal, magnetic signal, mechanical signal etc. The combination of kind.The signal containing acoustic information can come from a signal source or multiple signal sources.The multiple signal source Can correlation can not also be related.In certain embodiments, bone-conduction speaker 100 can be obtained by various ways The signal containing acoustic information, the acquisition of the signal can be wired or wireless, can be it is real-time or delay. For example, bone-conduction speaker 100 can be by wired or wirelessly receive the electric signal containing acoustic information, can also (for example, storage assembly 108) obtains data directly from storage medium, produces voice signal.In another example in ossiphone It can include the component with sound collection, by picking up the sound in environment, the mechanical oscillation of sound are converted into electricity Signal, obtains the electric signal for meeting particular requirement after being handled by amplifier.In certain embodiments, the wired connection can be with Including metallic cable, optical cable or metal and optical compound cable, for example, coaxial cable, communication cable, soft electricity Cable, spiral cable, nonmetallic sheathed cable, sheath wire, multicore cable, twisted-pair cable, ribbon cable, shielding electricity The combination of the one or more such as cable, communication cable, paired cable, twin-lead cable, twisted-pair feeder.Example described above is only made It is used for convenience of description, the medium of wired connection can also be other types, for example, the transmission of other electric signals or optical signal etc. Carrier.

Wireless connection can include radio communication, free space optical communication, acoustic communication and electromagnetic induction etc..Wherein without The communication of line electricity can include IEEE802.11 series standards, IEEE802.15 series standards (such as Bluetooth technology and purple-bee technology Deng), first generation mobile communication technology, Generation Mobile Telecommunication System technology (such as FDMA, TDMA, SDMA, CDMA and SSMA etc.), General packet radio service technology, 3rd generation mobile communication technology (such as CDMA2000, WCDMA, TD-SCDMA and WiMAX Deng), fourth generation mobile communication technology (such as TD-LTE and FDD-LTE etc.), satellite communication (such as GPS technology etc.), near field lead to Believe (NFC) and other technologies for operating in ISM band (such as 2.4GHz etc.)；Free space optical communication can include visible ray, Infra-red signal etc.；Acoustic communication can include sound wave, ultrasonic wave signal etc.；Electromagnetic induction can be including near field communication technology etc.. Example described above is only as purposes of discussion is facilitated, and the medium of wireless connection can also be other types, for example, Z-wave skills Art, the civil radio frequency range of other charges and military radio frequency range etc..For example, the application scenes as this technology, Bone-conduction speaker 100 can obtain the signal containing acoustic information by Bluetooth technology from other equipment.

Vibration component 104 can produce mechanical oscillation.With the conversion of energy, osteoacusis raises one's voice for the generation of the vibration Device 100 can use specific magnetic circuit component 102 to realize that the signal containing acoustic information turns to mechanical oscillation with vibration component 104 Change.Coexisting and changing for a variety of different type energy may be included during conversion.For example, electric signal can by transducing head To be directly changed into mechanical oscillation, sound is produced.For another example acoustic information may be embodied in optical signal, one kind is specifically changed Energy device can realize the process that vibration signal is converted to by optical signal.It is other can be coexisted in the transducing head course of work and The kind of energy of conversion includes thermal energy, magnetic field energy etc..The energy conversion regime of transducing head can include moving-coil type, it is electrostatic, Piezoelectric type, moving-iron type, pneumatic type, electromagnetic type etc..The frequency response range and tonequality of bone-conduction speaker 100 can be vibrated The influence of component 104.For example, in moving-coil type transducing head, vibration component 104 includes the cylindrical coil of winding and one is vibrated Body (for example, a vibrating reed), vibrating body vibration sounding, vibrating body are driven by the cylindrical coil that signal code drives in magnetic field The stretching, extension and contraction of material, the deformation of fold, size, shape and fixed form, the magnetic density of permanent magnet etc., can all pass bone The audio quality for leading loudspeaker 100 brings very big influence.In vibration component 104 vibrating body can be mirror-symmetrical structure, Centrosymmetric structure or asymmetrical structure；The cavernous structure of interruption can be provided with vibrating body, produces vibrating body The displacement of bigger, so as to allow bone-conduction speaker to realize the sensitivity of higher, improves vibration and the output power of sound；Vibrating body Can be torus structure, multiple struts to center influx are set in torus, the number of strut can be two or More.

Support component 106 can play a supporting role magnetic circuit component 102, vibration component 104 and/or storage assembly 108. Support component 106 can include one or more housings, one or more connectors.One or more of housings can be formed For accommodating the accommodation space of magnetic circuit component 102, vibration component 104 and/or storage assembly 108.One or more of connections Part can connect housing and magnetic circuit component 102, vibration component 104 and/or storage assembly 108.

Storage assembly 108 can store the signal containing acoustic information.In certain embodiments, storage assembly 108 can be with Including one or more storage devices.The storage device can include Direct Attached Storage (Direct Attached Storage), network attached storage (Network Attached Storage) and storage area network (Storage Area The storage device in storage system such as Network).Storage device can include all kinds of storage devices such as solid storage device (Gu State hard disk, solid-state hybrid hard disk etc.), mechanical hard disk, USB flash memory, memory stick, storage card (such as CF, SD), other driving (such as CD, DVD, HD DVD, Blu-ray etc.), random access memory (RAM) and read-only storage (ROM).Wherein RAM can include ten into Counting tube, selectron, delay line storage, WILLIAMS-DARLING Ton pipe, dynamic RAM (DRAM), Static RAM (SRAM), thyristor random access memory (T-RAM) and zero capacitance random access memory (Z-RAM) etc.；ROM can be deposited including magnetic bubble It is reservoir, A.O. linear memory, thin-film memory, magnetic plated wire memeory, magnetic core memory, magnetic drum memory, CD drive, hard Disk, tape, early stage NVRAM (nonvolatile storage), phase-change memory element, reluctance type random storage formula memory, ferroelectric random storage Memory, non-volatile SRAM, flash memory, the electronics formula of erasing can make carbon copies read-only storage, Erasable Programmable Read Only Memory EPROM, may be programmed Read-only storage, Mask ROM, floating connection door random access memory, nanometer random access memory, racing track memory, can Changing resistor type memory and programmable metallization unit etc..Above-mentioned storage device/storage unit is to list some examples Son, the storage device which can use are not limited thereto.

The description to bone-conduction speaker structure is only specific example above, is not considered as the reality of unique feasible Apply scheme., may be not after the basic principle of bone-conduction speaker is understood for one of skill in the art It is various in the concrete mode and step progress form and details to implementation bone-conduction speaker in the case of this principle Modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 100 can be with Including one or more processors, the processor can perform one or more sound signal processing algorithms.The sound letter Number Processing Algorithm can be modified or strengthen to the voice signal.Such as to voice signal carry out noise reduction, acoustic feedback suppress, Wide dynamic range compression, automatic growth control, active Context awareness, active anti-noise, directional process, tinnitus processing, multi-channel wide Dynamic range compression, active chauvent's criterion, volume control, or other similar, or more any combination processing, these amendments With change still within the claims of the present invention.In another example bone-conduction speaker 100 can include one or more A sensor, such as temperature sensor, humidity sensor, velocity sensor, displacement sensor etc..The sensor can gather User information or environmental information.

Fig. 2 is a kind of Longitudinal cross section schematic of bone-conduction speaker 200 according to some embodiments of the present application.Such as Shown in figure, bone-conduction speaker 200 can include the first magnetic element 202, the first magnetic conductive component 204, the second magnetic conductive component 206th, the first oscillating plate 208, voice coil loudspeaker voice coil 210, the second oscillating plate 212 and vibration panel 214.

The magnetic element described in this application refers to the element that can produce magnetic field, such as magnet etc..The magnetic member Part can have the direction of magnetization, and the direction of magnetization refers to the magnetic direction inside the magnetic element.First magnetic element 202 can include one or more magnet.In certain embodiments, the magnet can include metal alloy magnet, ferrite Deng.Wherein, metal alloy magnet can include neodymium iron boron, SmCo, aluminium nickel cobalt, siderochrome cobalt, ferro-aluminum boron, iron carbon aluminium, or similar, Or many of combination.Ferrite can include barium ferrite, barium ferrite, U.S. Mn ferrite, lithium Mn ferrite, or similar , or many of combination.

The lower surface of first magnetic conductive component 204 can connect the upper surface of the first magnetic element 202.Second magnetic conductive component 206 can connect the first magnetic element 202.It should be noted that magnetizer mentioned here is referred to as field concentrator Or iron core.Magnetizer can adjust the distribution in magnetic field (for example, magnetic field that the first magnetic element 202 produces).The magnetizer can With including the element being process by soft magnetic materials.In certain embodiments, the soft magnetic materials can include metal material, gold Belong to alloy, metal oxide materials, amorphous metal material etc., for example, iron, iron Si system alloy, iron aluminum series alloy, nickel iron-based alloy, Iron Co-based alloy, mild steel, silicon steel sheet, silicon steel sheet, ferrite etc..In certain embodiments, can be added by casting, plasticity The method of one or more combinations such as work, machining, powder metallurgy processes the magnetizer.Casting can include sand mold and cast Make, model casting, compression casting, centrifugal casting etc.；Plastic working can include rolling, casting, forging, punching press, extruding, draw Combined Deng one or more；Machining can include turning, milling, planing, grinding etc..In certain embodiments, it is described to lead The processing method of magnet can include 3D printing, numerically-controlled machine tool etc..First magnetic conductive component 204, the second magnetic conductive component 206 and first Connection mode between magnetic element 202 such as can include be bonded, be clamped, welding, riveting, being bolted at the one or more groups Close.In certain embodiments, the first magnetic element 202, the first magnetic conductive component 204 and the second magnetic conductive component 206 could be provided as Axially symmetric structure.The axially symmetric structure can be cyclic structure, column structure or other have axially symmetric structure.

In certain embodiments, magnetic gap can be formed between the first magnetic element 202 and the second magnetic conductive component 206.Sound Circle 210 can be arranged in the magnetic gap.Voice coil loudspeaker voice coil 210 can be connected with the first oscillating plate 208.First oscillating plate 208 can be with The second oscillating plate 212 is connected, the second oscillating plate 212 can connect vibration panel 214.After electric current is passed through in the voice coil loudspeaker voice coil 210, The voice coil loudspeaker voice coil 210 is located in the magnetic field that the first magnetic element 202, the first magnetic conductive component 214 and the second magnetic conductive component 206 are formed, Ampere force can be subject to act on, Ampere force driving voice coil loudspeaker voice coil 210 vibrates, the vibration of voice coil loudspeaker voice coil 210 can drive the first oscillating plate 208, The vibration of second oscillating plate 212 and vibration panel 214.The vibration is delivered to by vibration panel 214 by tissue with bone to be listened Nerve is felt, so as to make one to hear sound.The vibration panel 214, or can with directly can directly be contacted with human skin To pass through the vibration transfer layer and skin contact that are made of certain material.

In certain embodiments, for the bone-conduction speaker with single magnetic element, the magnetic induction line at voice coil loudspeaker voice coil is passed through And it is uneven, in divergent shape.Leakage field may be formed in magnetic circuit at the same time, i.e., more magnetic induction line is leaked to beyond magnetic gap, not Voice coil loudspeaker voice coil can be passed through, so that the magnetic induction intensity (or magnetic field intensity) at voice coil position declines, influence bone-conduction speaker Sensitivity.Therefore, bone-conduction speaker 200 may further include at least one second magnetic element and the/at least one 3rd Magnetic conductive component (not shown).At least one second magnetic element and/at least one 3rd magnetic conductive component can suppress magnetic Feel the leakage of line, constrain the magnetic strength line morphology through voice coil loudspeaker voice coil so that the more magnetic induction line level of trying one's best densely passes through voice coil loudspeaker voice coil, increases Magnetic induction intensity (or magnetic field intensity) at strong voice coil position, so as to improve the sensitivity of bone-conduction speaker 200, and then is improved The electric energy for inputting bone-conduction speaker 200 (that is, is converted into voice coil vibrations by the mechanical conversion efficiency of bone-conduction speaker 200 The efficiency of mechanical energy).More descriptions at least one second magnetic element may refer to Fig. 3 A-3F.

The description to 200 structure of bone-conduction speaker is only specific example above, is not considered as unique feasible Embodiment., may after the basic principle of bone-conduction speaker is understood for one of skill in the art In the case of without departing substantially from this principle, the concrete mode for implementing bone-conduction speaker is carried out in form and details with step Various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 200 It can include shell, connector etc..The connector can connect vibration panel 214 and shell.In another example bone-conduction speaker 200 can include the second magnetic element, and second magnetic element can connect the first magnetic conductive component 204.In another example osteoacusis Loudspeaker 200 may further include one or more annular magnet elements, and the annular magnet element can connect second and lead Magnetic cell 206.

Fig. 3 A are a kind of Longitudinal cross section schematics of magnetic circuit component 3100 according to some embodiments of the present application.Such as figure Shown in 3A, magnetic circuit component 3100 can include the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 with And second magnetic element 308.

In certain embodiments, the first magnetic element 302 and/or the second magnetic element 308 can include retouching in the application Any one or a few magnet stated.In certain embodiments, the first magnetic element 302 can include the first magnet, the second magnetic Property element 308 can include the second magnet, and first magnet can be identical or different with second magnet.First magnetic conduction member 304 and/or second magnetic conductive component 306 of part can include any one or a few permeability magnetic material described in this application.First leads The processing method of 304 and/or second magnetic conductive component 306 of magnetic cell can add including described in this application any one or a few Work mode.In certain embodiments, the first magnetic element 302, the first magnetic conductive component 304 and/or the second magnetic element 308 can be with It is arranged to axially symmetric structure.For example, the first magnetic element 302, the first magnetic conductive component 304 and/or the second magnetic element 308 can be with It is cylinder.In certain embodiments, the first magnetic element 302, the first magnetic conductive component 304 and/or the second magnetic element 308 can To be coaxial cylinder, contain identical or different diameter.The thickness of first magnetic element 302 can be greater than or equal to the The thickness of two magnetic elements 308.In certain embodiments, the thickness of the first magnetic element 302 and the first magnetic element 302, The ratio range of the sum of the thickness of two magnetic elements 308 and the first magnetic conductive component 304 is 0.4-0.6.In certain embodiments, Second magnetic conductive component 306 can be fluted body structure.The fluted body structure can include U-shaped section (as shown in Figure 3A). Second magnetic conductive component 306 of the fluted body can include bottom plate and side wall.In certain embodiments, the bottom plate and the side Wall can be integrally formed, for example, the side wall can be extended to form by bottom plate in the direction perpendicular to bottom plate.One In a little embodiments, the bottom plate can connect the side wall by any one or a few connection mode described in this application. Second magnetic element 308 can be set as ring-type or sheet.In certain embodiments, the second magnetic element 308 can be with first 302 and/or first magnetic conductive component 304 of magnetic element is coaxial.

The upper surface of first magnetic element 302 can connect the lower surface of the first magnetic conductive component 304.First magnetic element 302 lower surface can connect the bottom plate of the second magnetic conductive component 306.The lower surface of second magnetic element 308 connects the first magnetic conduction The upper surface of element 304.First magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and/or second are magnetic Connection mode between element 308 such as can include be bonded, be clamped, welding, riveting, being bolted at one or more combine.

First magnetic element 302, the first magnetic conductive component 304 and/or the second magnetic element 308 and the second magnetic conductive component 306 Side wall between form magnetic gap.Voice coil loudspeaker voice coil 320 can be arranged in the magnetic gap.In certain embodiments, the first magnetic member Part 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and the second magnetic element 308 can form magnetic loop.

In certain embodiments, magnetic circuit component 3100 can produce the first full field (also referred to as " and magnetic circuit component it is total Magnetic field "), the first magnetic element 302 can produce the second magnetic field.First full field is by the institute in the magnetic circuit component 3100 There is component (for example, the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and the second magnetic element 308) magnetic field produced is collectively forming.Magnetic field intensity of first full field in the magnetic gap (can also be referred to as magnetic Induction or magnetic density) it is more than magnetic field intensity of second magnetic field in the magnetic gap.In some embodiments In, the second magnetic element 308 can produce the 3rd magnetic field, and the 3rd magnetic field can improve second magnetic field between the magnetic Magnetic field intensity at gap.In other embodiment in the present specification, unless stated otherwise, magnetic circuit component represents to include all magnetic Property element and magnetic conductive component structure, the first full field represents the magnetic field that is integrally produced by magnetic circuit component, the second magnetic field, the 3rd magnetic ..., N magnetic fields represent the magnetic field as caused by corresponding magnetic element respectively.In various embodiments, described in generation Second magnetic field (or the 3rd magnetic field ..., N magnetic fields) magnetic element can be it is identical, can not also be same.

In certain embodiments, the direction of magnetization of the direction of magnetization of the second magnetic element 308 and the first magnetic element 302 it Between angle at 90 degree between 180 degree.In certain embodiments, the direction of magnetization of the second magnetic element 308 and the first magnetism Angle between the direction of magnetization of element 302 is at 150 degree between 180 degree.In certain embodiments, the second magnetic element 308 The direction of magnetization it is opposite with the direction of magnetization of the first magnetic element 302 (as shown in the figure, a directions with b directions).

Compared with the magnetic circuit component of single magnetic element, magnetic circuit component 3100 adds the second magnetic element 308.Second magnetic Property 308 direction of magnetization of element is magnetizing with 302 direction of magnetization of the first magnetic element on the contrary, can suppress the first magnetic element 302 Leakage field on direction, so that the magnetic field that the first magnetic element 302 produces can be more compressed in magnetic gap, thus carries Magnetic induction intensity in high magnetic gap.

The description to the structure of magnetic circuit component 3100 is only specific example above, is not considered as unique feasible Embodiment., may be not after the basic principle of bone magnetic circuit component is understood for one of skill in the art It is various in the concrete mode and step progress form and details to implementation magnetic circuit component 3100 in the case of this principle Modifications and variations, but these modifications and variations are still within the scope of above description.For example, the second magnetic conductive component 306 can be with It is loop configuration or laminated structure.In another example magnetic circuit component 3100 may further include a conducting element, the conductive element Part can connect the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306 and the second magnetic element 308.

Fig. 3 B are a kind of Longitudinal cross section schematics of magnetic circuit component 3200 according to some embodiments of the present application.Such as figure Shown in 3B, unlike magnetic circuit component 3100, magnetic circuit component 3200 may further include the 3rd magnetic element 310.

The lower surface of 3rd magnetic element 310 connects the side wall of the second magnetic conductive component 306.First magnetic element 302, first Magnetic gap can be formed between magnetic conductive component 304, the second magnetic element 308 and/or the 3rd magnetic element 310.Voice coil loudspeaker voice coil 320 can be with It is arranged in the magnetic gap.In certain embodiments, the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conduction member Part 306, the second magnetic element 308 and the 3rd magnetic element 310 can form magnetic loop.

In certain embodiments, magnetic circuit component 3200 can produce the first full field, and the first magnetic element 302 can produce Second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Magnetic field intensity.In certain embodiments, the 3rd magnetic element 310 can produce the 3rd magnetic field, and the 3rd magnetic field can carry Magnetic field intensity of high second magnetic field at the magnetic gap.

In certain embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and the 3rd magnetic element 310 it Between angle at 0 degree between 180 degree.In certain embodiments, the direction of magnetization of the first magnetic element 302 and the 3rd magnetic member The direction of magnetization of part 310 and between angle between 45 degree and 135 degree.In certain embodiments, first magnetic element 302 Angle between the direction of magnetization and the direction of magnetization of the 3rd magnetic element 310 is equal to or more than 90 degree.In some embodiments In, the direction of magnetization of the first magnetic element 302 perpendicular to the lower surface of the first magnetic element 302 or upper surface straight up (such as Direction shown in a in figure), the direction of magnetization of the 3rd magnetic element 310 is directed toward outer shroud (as schemed by the inner ring of the 3rd magnetic element 310 Middle c institutes direction shows that, on the right side of the first magnetic element 302, the direction of magnetization of the first magnetic element 302 is inclined clockwise It turn 90 degrees).

In certain embodiments, at the position of the 3rd magnetic element 310, direction and the 3rd magnetic of first full field Property element 310 the direction of magnetization between angle be not higher than 90 degree.In certain embodiments, in the position of the 3rd magnetic element 310 Put place, the angle between the direction in magnetic field that the first magnetic element 302 produces and the direction of magnetization of the 3rd magnetic element 310 can be with It is 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.

Compared with magnetic circuit component 3100, magnetic circuit component 3200 further increases the 3rd magnetic element 310.3rd magnetic member Part 310 can further increase the total magnetic flux in magnetic circuit component 3200 in magnetic gap, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of the 3rd magnetic element 310, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.

Fig. 3 C are a kind of Longitudinal cross section schematics of magnetic circuit component 3300 according to some embodiments of the present application.Such as figure Shown in 3C, unlike magnetic circuit component 3100, magnetic circuit component 3300 may further include the 4th magnetic element 312.

4th magnetic element 312 can be by being bonded, being clamped, welding, riveting, one or more combinations such as being bolted and connect Connect the side wall of the first magnetic element 302 and the second magnetic conductive component 306.In certain embodiments, the first magnetic element 302, One magnetic conductive component 304, the second magnetic conductive component 306, the second magnetic element 308 and the 4th magnetic element 312 can be formed between magnetic Gap.In certain embodiments, the direction of magnetization of the second magnetic element 308 may be referred to the detailed description of the application Fig. 3 A.

In certain embodiments, magnetic circuit component 3200 can produce the first full field, and the first magnetic element 302 can produce Second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Magnetic field intensity.In certain embodiments, the 4th magnetic element 312 can produce the 4th magnetic field, and the 4th magnetic field can carry Magnetic field intensity of high second magnetic field at the magnetic gap.

In certain embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and the 4th magnetic element 312 it Between angle at 0 degree between 180 degree.In certain embodiments, the direction of magnetization of the first magnetic element 302 and the 4th magnetic member The direction of magnetization of part 312 and between angle between 45 degree and 135 degree.In certain embodiments, first magnetic element 302 Angle between the direction of magnetization and the direction of magnetization of the 4th magnetic element 312 is not higher than 90 degree.In certain embodiments, the first magnetic Property element 302 the direction of magnetization perpendicular to the lower surface of the first magnetic element 302 or upper surface straight up (such as figure a directions institute Show), the direction of magnetization of the 4th magnetic element 312 as the outer shroud of the 4th magnetic element 312 be directed toward inner ring (as shown in e directions in figure, On the right side of the first magnetic element 302, the direction of magnetization of the first magnetic element 302 deflects 270 degree clockwise).

In certain embodiments, at the position of the 4th magnetic element 312, the direction of first full field and described the Angle between the direction of magnetization of four magnetic elements 312 is not higher than 90 degree.In certain embodiments, in the 4th magnetic element 312 Position, the first magnetic element 302 produce the direction in magnetic field and the direction of magnetization of the 4th magnetic element 312 between angle can Be 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.

Compared with magnetic circuit component 3200, magnetic circuit component 3300 further increases the 4th magnetic element 312.4th magnetic member Part 312 can further increase the total magnetic flux in magnetic circuit component 3300 in magnetic gap, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of the 4th magnetic element 312, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.

Fig. 3 D are a kind of Longitudinal cross section schematics of magnetic circuit component 3400 according to some embodiments of the present application.Such as figure Shown in 3D, unlike magnetic circuit component 3200, magnetic circuit component 3400 may further include the 5th magnetic element 314.

The lower surface of 3rd magnetic element 310 connects the 5th magnetic element 314, and the lower surface of the 5th magnetic element 314 connects Connect the side wall of the second magnetic conductive component 306.First magnetic element 302, the first magnetic conductive component 304, the second magnetic element 308 and/or Magnetic gap can be formed between 3rd magnetic element 310.Voice coil loudspeaker voice coil 320 can be arranged in the magnetic gap.In some embodiments In, the magnetic member of the first magnetic element 302, the first magnetic conductive component 304, the second magnetic conductive component 306, the second magnetic element the 308, the 3rd 310 and the 5th magnetic element 314 of part can form magnetic loop.In certain embodiments, the magnetization side of the second magnetic element 308 To and the 3rd magnetic element 310 may be referred to the detailed description of the application Fig. 3 A and 3B.

In certain embodiments, magnetic circuit component 3400 can produce the first full field, and the first magnetic element 302 can produce Second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Magnetic field intensity.In certain embodiments, the 5th magnetic element 314 can produce the 5th magnetic field, and the 5th magnetic field can carry Magnetic field intensity of high second magnetic field at the magnetic gap.

In certain embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and the 5th magnetic element 314 it Between angle at 0 degree between 180 degree.In certain embodiments, the direction of magnetization of the first magnetic element 302 and the 5th magnetic member The direction of magnetization of part 314 and between angle between 45 degree and 135 degree.In certain embodiments, first magnetic element 302 Angle between the direction of magnetization and the direction of magnetization of the 5th magnetic element 314 is equal to or more than 90 degree.

In certain embodiments, at the position of the 5th magnetic element 314, direction and the 5th magnetic of first full field Property element 314 the direction of magnetization between angle be not higher than 90 degree.In certain embodiments, in the position of the 5th magnetic element 314 Put place, the angle between the direction in magnetic field that the first magnetic element 302 produces and the direction of magnetization of the 5th magnetic element 314 can be with It is 0 degree, 10 degree, the angles for being less than or equal to 90 degree such as 20 degree.In certain embodiments, the magnetization side of the first magnetic element 302 To perpendicular to the lower surface of the first magnetic element 302 or upper surface straight up (as shown in figure a directions), the 5th magnetic element 314 direction of magnetization is directed toward lower surface (as shown in d directions in figure, in the first magnetic member as the upper surface of the 5th magnetic element 314 The right side of part 302, the direction of magnetization of the first magnetic element 302 deflect 180 degree clockwise).

Compared with magnetic circuit component 3200, magnetic circuit component 3400 further increases the 5th magnetic element 314.5th magnetic member Part 314 can further increase the total magnetic flux in magnetic circuit component 3400 in magnetic gap, and then increase the magnetic induction in magnetic gap Intensity.Also, under the action of the 4th magnetic element 314, magnetic induction line can further be restrained to magnetic gap position, further Increase the magnetic induction intensity in magnetic gap.

Fig. 3 E are a kind of Longitudinal cross section schematics of magnetic circuit component 3500 according to some embodiments of the present application.Such as figure Shown in 3E, unlike magnetic circuit component 3300, magnetic circuit component 3500 may further include the 6th magnetic element 316.

6th magnetic element 316 can be by being bonded, being clamped, welding, riveting, one or more combinations such as being bolted and connect Connect the side wall of the second magnetic element 308 and the second magnetic conductive component 306.In certain embodiments, the first magnetic element 302, One magnetic conductive component 304, the second magnetic conductive component 306, the second magnetic element 308, the 4th magnetic element 312 and the 6th magnetic element 316 can form magnetic gap.In certain embodiments, the direction of magnetization of the second magnetic element 308 and the 4th magnetic element 312 can With the detailed description with reference to the application Fig. 3 A and 3C.

In certain embodiments, magnetic circuit component 3500 can produce the first full field, and the first magnetic element 302 can produce Second magnetic field, magnetic field intensity of first full field in the magnetic gap are more than second magnetic field in the magnetic gap Magnetic field intensity.In certain embodiments, the 6th magnetic element 316 can produce the 6th magnetic field, and the 6th magnetic field can carry Magnetic field intensity of high second magnetic field at the magnetic gap.

In certain embodiments, the direction of magnetization of the direction of magnetization of the first magnetic element 302 and the 6th magnetic element 316 it Between angle at 0 degree between 180 degree.In certain embodiments, the direction of magnetization of the first magnetic element 302 and the 6th magnetic member The direction of magnetization of part 316 and between angle between 45 degree and 135 degree.In certain embodiments, first magnetic element 302 Angle between the direction of magnetization and the direction of magnetization of the 6th magnetic element 316 is not higher than 90 degree.In certain embodiments, the first magnetic Property element 302 the direction of magnetization perpendicular to the lower surface of the first magnetic element 302 or upper surface straight up (such as figure a directions institute Show), the direction of magnetization of the 6th magnetic element 316 as the outer shroud of the 6th magnetic element 316 be directed toward inner ring (as shown in f directions in figure, On the right side of the first magnetic element 302, the direction of magnetization of the first magnetic element 302 deflects 270 degree clockwise).

In certain embodiments, at the position of the 6th magnetic element 316, direction and the 6th magnetic of first full field Property element 316 the direction of magnetization between angle be not higher than 90 degree.In certain embodiments, in the position of the 6th magnetic element 316 Put place, the angle between the direction in magnetic field that the first magnetic element 302 produces and the direction of magnetization of the 6th magnetic element 316 can be with It is 90 degree, 110 degree, the angles for being more than 90 degree such as 120 degree.

Compared with magnetic circuit component 3100, it is magnetic that magnetic circuit component 3500 further increases the 4th magnetic element 312 and the 6th Element 316.4th magnetic element 312 and the 6th magnetic element 316 can improve magnetic total in magnetic gap in magnetic circuit component 3500 Flux, improves the magnetic induction intensity at magnetic gap, so as to improve the sensitivity of bone-conduction speaker.

Fig. 3 F are a kind of Longitudinal cross section schematics of magnetic circuit component 3400 according to some embodiments of the present application.Such as figure Shown in 3F, unlike magnetic circuit component 3100, magnetic circuit component 3400 may further include the 3rd magnetic conductive component 318.

In certain embodiments, the 3rd magnetic conductive component 318 can be led including described in this application any one or a few Magnetic material.Permeability magnetic material included by first magnetic conductive component 304, the second magnetic conductive component 306 and/or the 3rd magnetic conductive component 318 can With identical or different.In certain embodiments, the 3rd magnetic conductive component 318 could be provided as symmetrical structure.For example, the 3rd magnetic conduction is first Part 318 can be cylinder.In certain embodiments, the first magnetic element 302, the first magnetic conductive component 304, the second magnetic element 308 and/or the 3rd magnetic conductive component 318 can be coaxial cylinder, contain identical or different diameter.3rd magnetic conductive component 318 can connect the second magnetic element 308.In certain embodiments, the 3rd magnetic conductive component 318 can connect the second magnetic element 308 and second magnetic conductive component 306 so that the 3rd magnetic conductive component 318 and the second magnetic conductive component 306 form a cavity, the chamber Body can include the first magnetic element 302, the second magnetic element 308 and the first magnetic conductive component 304.

Compared with magnetic circuit component 3100, magnetic circuit component 3400 further increases the 3rd magnetic conductive component 318.3rd magnetic conduction member Part 318 can suppress leakage field of second magnetic element 308 in the direction of magnetization in magnetic circuit component 3400, so that the second magnetic member The magnetic field that part 308 produces can be more compressed in magnetic gap, thus improves the magnetic induction intensity in magnetic gap.

Fig. 4 A are a kind of cross-sectional views of magnetic element structure according to some embodiments of the present application.It is described Magnetic element 400 can be adapted in the application in any magnetic circuit component (for example, magnetic circuit component shown in Fig. 3 A-3F).Such as figure Shown, magnetic element 400 can be cricoid.Magnetic element 400 can include inner ring 402 and outer shroud 404.In some implementations In example, the shape of the inner ring 402 and/or outer shroud 404 can be circle, ellipse, triangle, quadrangle or other any polygon Shape.

Fig. 4 B are a kind of schematic diagrames of magnetic element structure according to some embodiments of the present application.The magnetic member Part can be adapted in the application in any magnetic circuit component (for example, magnetic circuit component shown in Fig. 3 A-3F).It is as shown in the figure, described Magnetic element can be rearranged by multiple magnets.The both ends of any one magnet of the magnet can be with adjacent magnet Both ends connect or there are certain spacing.Spacing between multiple magnets can be identical or different.In certain embodiments, it is described Magnetic element can be made of magnet (for example, magnet 408-2,408-4, and 408-6) equidistant arrangement of 2 or 3 sheets. The shape of the magnet of the sheet can be sector, quadrangle etc..

Fig. 4 C are the direction of magnetization schematic diagrames of magnetic element in magnetic circuit component according to some embodiments of the present application. As described in Figure, the magnetic circuit component can include the first magnetic element 401, the second magnetic element 403 and the 3rd magnetic element 405.The direction of magnetization of first magnetic element 401 can be directed toward upper surface (i.e. vertically by the lower surface of the first magnetic element 401 In paper outwardly direction).Second magnetic element 403 can be set around the first magnetic element 401.Second magnetic element 403 Inner ring and the first magnetic element 401 inner ring between can form magnetic gap.The direction of magnetization of second magnetic element 403 can be with Outer shroud is directed toward by the inner ring of the second magnetic element 403.The inner ring of 3rd magnetic element 405 can connect the first magnetic element 401 Outer shroud, the outer shroud of the 3rd magnetic element 405 can connect the inner ring of the second magnetic element 403.The magnetic of 3rd magnetic element 405 Inner ring can be directed toward by the outer shroud of the 3rd magnetic element 403 by changing direction.

Fig. 4 D are the line of magnetic inductions of the magnetic element in a kind of magnetic circuit component according to some embodiments of the present application Schematic diagram.As shown in the figure, magnetic circuit component 400 (for example, magnetic circuit component as illustrated in figs. 3a-f) can include the first magnetic element 402 and second magnetic element 404.The direction of magnetization of first magnetic element 402 can be the lower surface of the first magnetic element 402 It is directed toward upper surface (as shown by arrow a).First magnetic element 402 can produce the second magnetic field, and second magnetic field can be by magnetic The line of induction represents (solid line is represented in the presence of no second magnetic element 404 in figure, the distribution in the second magnetic field), described Magnetic direction of second magnetic field at certain point is tangential direction of this on the line of magnetic induction.The magnetic of second magnetic element 404 Change the inner ring that direction can be the second magnetic element 404 and be directed toward outer shroud (as shown by the arrowb).Second magnetic element 404 can produce Raw 3rd magnetic field.3rd magnetic field can also be represented that (dotted line is represented in no first magnetic element 402 in figure by the line of magnetic induction In the presence of, the distribution in the 3rd magnetic field), magnetic direction of the 3rd magnetic field at certain point is this o'clock in the 3rd magnetic strength Answer the tangential direction on line.Under the interaction in second magnetic field and the 3rd magnetic field, the magnetic circuit component 400 can be with Produce the first full field.Magnetic field intensity of first full field at voice coil loudspeaker voice coil 406 is more than second magnetic field or the described 3rd Magnetic field intensity of the magnetic field at voice coil loudspeaker voice coil 406.As shown in the figure, magnetic direction of second magnetic field at voice coil loudspeaker voice coil 406 and described the The angle of the direction of magnetization of two magnetic elements 404 is less than or equal to 90 degree.

Fig. 5 is a kind of structure diagram of bone-conduction speaker 5000 according to some embodiments of the present application.Such as Shown in figure, bone-conduction speaker 5000 can include the first magnetic element 502, the first magnetic conductive component 504, the second magnetic conductive component 506th, the second magnetic element 508, voice coil loudspeaker voice coil 510, the 3rd magnetic conductive component 512, stent 514 and connector 516.First magnetic element 502nd, the first magnetic conductive component 504, the second magnetic conductive component 506, the second magnetic element 508,510 and/or the 3rd magnetic conductive component of voice coil loudspeaker voice coil 512 may be referred to the associated description of other attached drawings in the application.

The upper surface of first magnetic element 502 can connect the lower surface of the first magnetic conductive component 504.Second magnetic element 508 lower surface can connect the upper surface of the first magnetic conductive component 504.Second magnetic conductive component 506 can include the first bottom plate with And the first side wall.The lower surface of first magnetic element 502 can connect the upper surface of first bottom plate.Second magnetic conductive component The side wall of 506 side wall and the first magnetic element 502, the first magnetic conductive component 504 and/or the second magnetic element 508 is formed between magnetic Gap.Stent 514 can include the second bottom plate and second sidewall.After stent 514 is connected with voice coil loudspeaker voice coil 510, voice coil loudspeaker voice coil 510 can be set In the magnetic gap.Voice coil loudspeaker voice coil 510 can connect the second sidewall.Between the upper surface of voice coil loudspeaker voice coil 510 and second bottom plate Latasuture can be formed.After voice coil loudspeaker voice coil 510 is placed in the magnetic gap, the 3rd magnetic conductive component 512 can connect the to pass through the latasuture The upper surface of two magnetic elements 508 and the first side wall of the second magnetic conductive component 506 so that the 3rd magnetic conductive component 512 with Second magnetic conductive component 506 forms closed cavity.First magnetic element 502, the first magnetic conductive component 504, the second magnetic conductive component 506, Connection between each elements such as the second magnetic element 508,510 and/or the 3rd magnetic conductive component 512 of voice coil loudspeaker voice coil can be by the application Any one or a few connection mode of description.In certain embodiments, the first magnetic element 502, the first magnetic conductive component 504, One or more can be set on second magnetic conductive component 506, the second magnetic element 508, the 3rd magnetic conductive component 512 and/or stent 514 A cavernous structure (for example, pin hole, threaded hole etc.).The cavernous structure can be arranged at the first magnetic element 502, the first magnetic conduction Element 504, the second magnetic conductive component 506, the second magnetic element 508, the center of the 3rd magnetic conductive component 512 and/or stent 514, four Week or other positions.Connector 516 can run through the cavernous structure, and connect each element.For example, connector 516 can be with It is barrel bolt.Staking punch can be utilized through stent 514 by 516 Pressing Deformation of barrel bolt, so that in fixed bone-conduction speaker 5000 All parts.

The description to the structure of bone-conduction speaker 5000 is only specific example above, is not considered as uniquely may be used Capable embodiment.For one of skill in the art, after the basic principle of magnetic circuit component is understood, Ke Neng In the case of without departing substantially from this principle, the concrete mode for implementing bone-conduction speaker 5000 is carried out in form and details with step Various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 5000 can include one or more conducting elements, and one or more of conducting elements are arranged at the madial wall, outer of voice coil loudspeaker voice coil 510 Side wall, top and/or bottom.In another example bone-conduction speaker 5000 may further include one or more annular magnet members Part, one or more of annular magnet elements can connect the upper surface of the side wall of the second magnetic conductive component 506 or be fixed on magnetic In gap.

Fig. 6 is a kind of structure diagram of bone-conduction speaker 6000 according to some embodiments of the present application.Such as Shown in figure, bone-conduction speaker 6000 can include the first magnetic element 602, the first magnetic conductive component 604, the second magnetic conductive component 606th, the second magnetic element 608, voice coil loudspeaker voice coil 610, the 3rd magnetic conductive component 612, stent 614, connector 616, rack rod 618 and Packing ring 620.The upper surface of first magnetic element 602 can connect the lower surface of the first magnetic conductive component 606.Second magnetic element 608 lower surface can connect the upper surface of the first magnetic conductive component 606.Second magnetic conductive component 606 can include the first bottom plate with The first side wall, the first side wall can be extended to form by the bottom plate along perpendicular to bottom plate direction.First magnetic member The lower surface of part 602 can connect the upper surface of the bottom plate of the second magnetic conductive component 606.The side wall of second magnetic conductive component 606 and The side wall of one magnetic element 602, the first magnetic conductive component 604 and/or the second magnetic element 608 forms magnetic gap.Rack rod 618 Surrounding one or more rod-like structures can be set.Voice coil loudspeaker voice coil 610 can be with connecting bracket connecting rod 618.Rack rod 618 and voice coil loudspeaker voice coil After 610 connections, voice coil loudspeaker voice coil 610 can be arranged in the magnetic gap.3rd magnetic conductive component 612 can include the second bottom plate and the Two side walls, the second sidewall can be extended to form by second bottom plate, and the second sidewall can set one or more A first cavernous structure, first cavernous structure is corresponding with the rod-like structure of rack rod 618, rack rod 618 it is rod-shaped Structure can run through the first cavernous structure of the 3rd magnetic conductive component 612.After voice coil loudspeaker voice coil 610 is placed in the magnetic gap, the The second sidewall of three magnetic conductive components 612 can by the rod-like structure of the first cavernous structure connecting bracket connecting rod 618, second Bottom plate can connect the upper surface of the second magnetic element 608.First magnetic element 602, the first magnetic conductive component 604, the second magnetic conduction Connection between each elements such as element 606, the second magnetic element 608,610 and/or the 3rd magnetic conductive component 612 of voice coil loudspeaker voice coil can pass through Any one or a few connection mode described in this application.In certain embodiments, the first magnetic element 602, the first magnetic conduction Element 604, the second magnetic conductive component 606, the second magnetic element 608, the center of the 3rd magnetic conductive component 612 and/or stent 614, four Week or other positions can set the second cavernous structure.Connector 616 can run through the cavernous structure, and connect each member Part.For example, connector 616 can be barrel bolt.Staking punch can be utilized through stent 614 by 616 Pressing Deformation of barrel bolt, so that solid Fixed first magnetic element 602, the first magnetic conductive component 604, the second magnetic conductive component 606, the second magnetic element 608 and the 3rd magnetic conduction Element 612.Stent 614 can further connect the second of the 3rd magnetic conductive component 612 with connecting bracket railing 618, packing ring 620 The first side wall of side wall and the second magnetic conductive component 606, so as to further fix the second magnetic conductive component 606 and the 3rd magnetic conduction member Part 612.In certain embodiments, the packing ring 620 can be connected by oscillating plate with stent 614.

The description to the structure of bone-conduction speaker 6000 is only specific example above, is not considered as uniquely may be used Capable embodiment.For one of skill in the art, after the basic principle of magnetic circuit component is understood, Ke Neng In the case of without departing substantially from this principle, the concrete mode for implementing bone-conduction speaker 6900 is carried out in form and details with step Various modifications and variations, but these modifications and variations are still within the scope of above description.For example, bone-conduction speaker 6000 can include one or more conducting elements, and one or more of conducting elements are arranged at the madial wall, outer of voice coil loudspeaker voice coil 610 Side wall, top and/or bottom.In another example bone-conduction speaker 6000 may further include one or more annular magnet members Part, one or more of annular magnet elements can connect the upper surface of the side wall of the second magnetic conductive component 606 or be fixed on magnetic In gap.

Basic conception is described above, it is clear that to those skilled in the art, foregoing invention discloses only As an example, and the restriction to the application is not formed.Although do not clearly state herein, those skilled in the art may Various modifications, improvement and amendment are carried out to the application.Such modification, improvement and amendment are proposed in this application, so such Modification, improve, correct the spirit and scope for still falling within the application example embodiment.

Meanwhile the application has used particular words to describe embodiments herein.Such as " one embodiment ", " one implements Example " and/or " some embodiments " mean and at least one embodiment of the application relevant a certain feature, structure or feature.Therefore, It should be emphasized that simultaneously it is noted that " embodiment " or " one embodiment " that is referred to twice or repeatedly in diverse location in this specification Or " alternate embodiment " is not necessarily meant to refer to the same embodiment.In addition, certain in one or more embodiments of the application A little feature, structure or features can carry out appropriate combination.

In addition, it will be understood by those skilled in the art that each side of the application can be by some with patentability Species or situation are illustrated and described, including any new and useful process, machine, the combination of product or material or to him Any new and useful improvement.Correspondingly, the various aspects of the application can be performed completely by hardware, can completely by Software (including firmware, resident software, microcode etc.) is performed, can also performed by combination of hardware.Hardware above or software It is referred to alternatively as " data block ", " module ", " engine ", " unit ", " component " or " system ".In addition, each side of the application can The computer product in one or more computer-readable mediums can be shown as, which compiles including computer-readable program Code.

In addition, except clearly stating in non-claimed, the order of herein described processing element and sequence, digital alphabet Using or other titles use, be not intended to limit the order of the application flow and method.Although by each in above-mentioned disclosure Kind of example discusses some it is now recognized that useful inventive embodiments, but it is to be understood that, such details only plays explanation Purpose, appended claims are not limited in the embodiment disclosed, on the contrary, claim is intended to cover and all meets the application The amendment of embodiment spirit and scope and equivalent combinations.For example, although system component described above can be set by hardware It is standby to realize, but can also be only achieved by the solution of software, such as pacify on existing server or mobile equipment Fill described system.

Similarly, it is noted that in order to simplify herein disclosed statement, so as to help real to one or more invention Apply the understanding of example, above in the description of the embodiment of the present application, sometimes by various features merger to one embodiment, attached drawing or In descriptions thereof.But this disclosure method is not meant to carry in the required aspect ratio claim of the application object And feature it is more.In fact, the feature of embodiment will be less than whole features of the single embodiment of above-mentioned disclosure.

Description component, the numeral of number of attributes are used in some embodiments, it should be appreciated that such to be used for embodiment The numeral of description, has used qualifier " about ", " approximation " or " generally " etc. to modify in some instances.Unless in addition say Bright, " about ", " approximation " or the numeral that " generally " shows allow the change for having ± 20%.Correspondingly, in some embodiments In, the numeric data used in description and claims is approximation, approximation feature according to needed for separate embodiment It can change.In certain embodiments, numeric data is considered as defined significant digit and is retained using general digit Method.Although it is used to confirm that the Numerical Range of its scope range and data are approximation in some embodiments of the application, specific real Apply in example, being set in for such numerical value is reported as precisely as possible in feasible region.

Finally, it will be understood that embodiment described herein is only illustrating the principle of the embodiment of the present application.Other Deformation may also belong to scope of the present application.Therefore, as an example, not a limit, the alternative configuration of the embodiment of the present application is visual To be consistent with teachings of the present application.Correspondingly, embodiments herein is not limited only to the implementation that the application is clearly introduced and described Example.

Claims

1. a kind of magnetic circuit component of bone-conduction speaker, the magnetic circuit component includes：

First magnetic element, first magnetic element produce the first magnetic field；

First magnetic conductive component；

Second magnetic conductive component, at least part of second magnetic conductive component is around first magnetic element, and with described first Magnetic gap is formed between magnetic element；And

At least one second magnetic element, at least one second magnetic element connect the first magnetic conductive component upper surface, At least one second magnetic element produces the second magnetic field, and first magnetic field is improved in the magnetic gap in second magnetic field Interior magnetic field intensity.

2. the magnetic circuit component described in claim 1, the direction of magnetization and first magnetic of at least one second magnetic element The angle of the direction of magnetization of property element is at 150 degree between 180 degree.

3. the magnetic circuit component described in claim 1, the thickness of first magnetic element and first magnetic element, it is described extremely The ratio range of the sum of the thickness of few second magnetic element and first magnetic conductive component is 0.4-0.6.

4. the magnetic circuit component described in claim 1, the thickness of at least one second magnetic element is equal to the described first magnetism The thickness of element.

5. the magnetic circuit component described in claim 1, the thickness of at least one second magnetic element is less than the described first magnetism The thickness of element.

6. the magnetic circuit component described in claim 1, further comprises,

At least one 3rd magnetic element, at least one 3rd magnetic element is around the described at least one second magnetic member Part.

7. the magnetic circuit component described in claim 6, the direction of magnetization and first magnetic of at least one 3rd magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.

8. the magnetic circuit component described in claim 7, the direction of magnetization and first magnetic of at least one 3rd magnetic element Property element the direction of magnetization between angle be not less than 90 degree.

9. right wants the magnetic circuit component described in 6, further comprise：

At least one 4th magnetic element, wherein, at least one 4th magnetic element connect second magnetic conductive component and At least one 3rd magnetic element.

10. the magnetic circuit component described in claim 9, the direction of magnetization and first magnetic of at least one 4th magnetic element Angle between the direction of magnetization of property element is between 45 degree and 135 degree.

11. the magnetic circuit component described in claim 10, the direction of magnetization and described first of at least one 4th magnetic element Angle between the direction of magnetization of magnetic element is not less than 90 degree.

12. the magnetic circuit component described in claim 1, further comprises：

At least one 5th magnetic element, wherein, at least one 5th magnetic element is located at the lower section of the magnetic gap simultaneously Connect first magnetic element and second magnetic conductive component.

13. the magnetic circuit component described in claim 12, the direction of magnetization and described first of at least one 5th magnetic element Angle between the direction of magnetization of magnetic element is between 45 degree and 135 degree.

14. the magnetic circuit component described in claim 13, the direction of magnetization and described first of at least one 5th magnetic element Angle between the direction of magnetization of magnetic element is not more than 90 degree.

15. the magnetic circuit component described in claim 13, further comprises：

3rd magnetic conductive component, the 3rd magnetic conductive component connect at least one second magnetic element.

16. a kind of bone-conduction speaker, the bone-conduction speaker includes：

Vibration component, the vibration component include voice coil loudspeaker voice coil and at least one oscillating plate；And

Any magnetic circuit components of claim 1-15.