CN207022155U

CN207022155U - A kind of receiver

Info

Publication number: CN207022155U
Application number: CN201720909624.4U
Authority: CN
Inventors: 陈晓明; 吴哲
Original assignee: Suzhou Yi Acoustic Technology Co Ltd
Current assignee: Suzhou Yiyi Technology Co.,Ltd.
Priority date: 2017-07-25
Filing date: 2017-07-25
Publication date: 2018-02-16
Anticipated expiration: 2027-07-25

Abstract

The utility model discloses a kind of receiver, receiver includes housing, separator, vibrating diaphragm sound generating mechanism and electromagnetic drive mechanism, and inner chamber is separated into the first cavity and the second cavity by separator, the vibration accommodating cavity in separator with a upper and lower opening；Electromagnetic drive mechanism includes the first magnetic and part and the second magnetic generation part occurs, and the first magnetic occurs part and provides the first variable magnetic field for the first cavity, and the second magnetic occurs part and provides the second variable magnetic field for the second cavity；Vibrating diaphragm sound generating mechanism is arranged in vibration accommodating cavity.The utility model simplifies the internal structure of receiver, improves efficiency of assembling, and can prevent magnet short-cut path.

Description

A kind of receiver

Technical field

It the utility model is related to receiver technical field, and in particular to a kind of receiver.

Background technology

Receiver is that audio electrical signal is converted into voice signal by one kind under the conditions of voiceless sound leakage, to realize audio weight The microminiature electro-acoustic element put, is widely used in the portable electric appts such as mobile phone, notebook computer, earphone, audiphone.With The continuous development of mobile electronic device, simplify the structure and its assembly method of the receiver being applied in mobile electronic device, be The consistent pursuit of production firm at present.

Receiver can be divided into moving-coil type, electromagnetic type (moving-iron type), piezoelectric type, carbon granules formula etc. by operation principle, wherein dynamic iron Formula receiver is widely used due to stable frequency response curve, the features such as high sensitivity.The operation principle of moving-iron type receiver Changed for electromagnetic energy, i.e., sound sent to magnet coil with ac signal pattern, magnet coil produce electromagnetic field effect in Balanced armature, in magnetic fields lower band dynamic balancing armature chatter, balanced armature one end passes through the magnet positioned at balanced armature both sides Guide pin is connected with vibrating diaphragm, and vibrating diaphragm does the vibration of corresponding frequencies therewith under the vibration of balanced armature, so as to agitate surrounding air to do Corresponding sports, by sound reproduction.

Current moving-iron type receiver, during assembling, typically first coil is sheathed on balanced armature, then balanced armature is consolidated It is scheduled in housing, is afterwards fixed at the both ends of vibrating diaphragm on the internal face of housing manually respectively, and ensure vibrating diaphragm and balanced armature The alignment of vibration position, then by vibrating diaphragm and balance one end of armature chatter by guide pin or drive link and be connected, due to need by Vibrating diaphragm is fixed on the inwall of housing manually, causes assembling process complex, and efficiency of assembling is low, and time-consuming, and in the later stage , it is necessary to carry out integral disassembly, assembly when maintenance or performance detection, operation is very inconvenient；Moreover, the vibration section of vibrating diaphragm and balanced armature Between position by way of guide pin or drive link connection, cause complicated, further increase the complexity of assembling process.

To sum up, how to simplify the structure of moving-iron type receiver is one of this area urgent problem.

Utility model content

Therefore, the technical problems to be solved in the utility model is to overcome moving-iron type telephone receiver structure of the prior art to answer Miscellaneous technical problem, so as to provide a kind of receiver simple in construction, being easy to assembling.

Therefore, the utility model provides a kind of receiver, including：

Housing, including the first housing and the second housing, first housing removably fasten shape with second housing Into inner chamber；

Separator, it is arranged in the inner chamber, and the inner chamber is separated into the first cavity and the second cavity, the isolation There is the vibration accommodating cavity of a upper and lower opening in part；

Electromagnetic drive mechanism, including the first magnetic occur part and the second magnetic and occur part, and part occurs for first magnetic for described the One cavity provides the first variable magnetic field, and second magnetic occurs part and provides the second variable magnetic field for second cavity, and described the One variable magnetic field is identical close to the polarity of the separator with second variable magnetic field；

Vibrating diaphragm sound generating mechanism, it is arranged in the vibration accommodating cavity, there is a fixed magnetic field, can be variable described first In the vibration accommodating cavity internal vibration sounding under magnetic field and second variable magnetic field driving.

Alternatively, the vibrating diaphragm sound generating mechanism first magnetic occur part or the second magnetic occur part magnetic force attract under, It is suspended on the top or bottom of the vibration accommodating cavity.

Alternatively, part, which occurs, for first magnetic includes：

First yoke, is fixedly installed on first inside cavity, and first yoke is included outside the first internal layer and first Layer；

First magnet coil, it is wound between first internal layer and first outer layer；

And/or second magnetic occurs part and included：

Second yoke, is fixedly installed on second inside cavity, and second yoke is included outside the second internal layer and second Layer；

Second magnet coil, it is wound between second internal layer and second outer layer.

Alternatively, the vibrating diaphragm sound generating mechanism at the contact gap of the accommodating cavity wall of the vibration with being filled with magnetic fluid.

Alternatively, the outward flange of the vibrating diaphragm sound generating mechanism is fixedly connected with the inwall of the vibration accommodating cavity.

Alternatively, the vibrating diaphragm sound generating mechanism includes vibration generating arrangement, and the vibration generating arrangement has the fixation Magnetic field.

Alternatively, the vibration generating arrangement includes elastic vibration plate, and the elastic vibration plate is made of magnetic material；

Or the vibration generating arrangement includes elastic vibration plate and the magnet steel being fixed on the elastic vibration plate, institute Elastic vibration plate is stated to be made of nonmagnetic substance.

Alternatively, the vibrating diaphragm sound generating mechanism also includes：

Tibial membrane, it is attached at the vibration generating arrangement.

Alternatively, the vibrating diaphragm sound generating mechanism includes：

Fixed frame, has a hollow via-hole, and outward flange is fixedly connected with the vibration accommodating cavity；

Vibration generating arrangement, it is arranged in the hollow via-hole, and is connected by some connection straps with the fixed frame；

Tibial membrane, surrounding are fixedly connected with the fixed frame and cover the hollow via-hole, the middle part of the tibial membrane with The vibration generating arrangement is fixedly connected.

Alternatively, the separator is the spacer ring with certain altitude, and the spacer ring uses non-magnet_conductible material It is made.

Alternatively, the outward flange of the separator be fixedly mounted between first internal layer and second internal layer and Between first magnet coil and the second magnet coil, between first housing and the second housing and first outer layer and It is to be sealedly and fixedly connected between two outer layers.

Alternatively, part occurs for the housing, first magnetic, part occurs for second magnetic, the separator is cylinder Shape.

The technical solution of the utility model, have the following advantages that：

1. receiver provided by the utility model, including housing, separator, electromagnetic drive mechanism and vibrating diaphragm sounding machine Structure, wherein, inner chamber is separated into the first cavity and the second cavity by separator, and part and the occur for the first magnetic in electromagnetic drive mechanism Two magnetic occur part and are separately positioned in the first cavity and the second cavity, provide the first variable magnetic field and the second variable magnetic field respectively, For vibrating diaphragm sound generating mechanism as in the vibration for being wholy set in a separator accommodating cavity, vibrating diaphragm sound generating mechanism has one to fix magnetic , by the magnetic field interaction between the fixed magnetic field and the first variable magnetic field, the second variable magnetic field, vibrating diaphragm sound generating mechanism exists Vibrate up-down vibration sounding in accommodating cavity.

Tibial membrane is arranged on housing with traditional receiver, connected tibial membrane and balanced armature by guide pin or drive link The structure being connected together is different, and receiver provided by the utility model, vibrating diaphragm sound generating mechanism is as an entirety, installed in vibration In accommodating cavity, the internal structure of receiver is simplified, improves efficiency of assembling.In addition, the receiver of the structure, by three modules Composition：Part occurs for the first housing and its first magnetic in first the first cavity of housing, as the first module；Second housing And its part occurs for the second magnetic in second the second cavity of housing, as the second module；Separator and its it is arranged on isolation Vibrating diaphragm sound generating mechanism in part vibration accommodating cavity, as the 3rd module；Three modules are individually assembled, finally by these three module groups The assembling process of receiver can be completed by being fitted together, in this way, enormously simplify the internal structure of receiver, improve assembling effect Rate.

In addition, the setting of separator, on the one hand, part is occurred into for the first magnetic and the second magnetic occurs part and separated, is effectively prevented Magnet short-cut path phenomenon occurs；On the other hand, the vibration accommodating cavity in separator provides certain vibration sky for vibrating diaphragm sound generating mechanism Between and Oscillation Amplitude, ensure that its sounding effect.

2. receiver provided by the utility model, part occurs using the first magnetic, part and vibrating diaphragm sound generating mechanism occur for the second magnetic Between attractive magnetic force, by vibrating diaphragm sound generating mechanism vacantly be arranged at vibration accommodating cavity top or bottom.Specifically, when this by Words device is not when working, because vibrating diaphragm sound generating mechanism has a fixed magnetic field, its occur with the first magnetic part and the second magnetic generation part it Between have magnetic force attraction, when the first magnetic of vibrating diaphragm sound generating mechanism distance occurs that part is nearer, attraction between part occurs the first magnetic for it Power is larger, then one end of part occurs in vibration accommodating cavity close to the first magnetic for absorption, conversely, then absorption occurs close to the second magnetic One end of part.In this way, manually vibrating diaphragm sound generating mechanism need not be arranged in vibration accommodating cavity, assembling further simplify Technique, improve the automaticity of the receiver.

3. receiver provided by the utility model, part, which occurs, for the first magnetic includes the first yoke and the first magnet coil, first Magnet coil is wound between the first internal layer of the first yoke and the first outer layer, and part, which occurs, for the second magnetic includes the second yoke and second Magnet coil, the second magnet coil are wound between the second internal layer of the second yoke and the second outer layer.

Part occurs for the magnetic of the structure, using the law of electromagnetic induction, by leading to the first magnet coil and the second magnet coil Enter forward current or reverse current, simple in construction so as to produce the first variable magnetic field and the second variable magnetic field, reliability is high.

The setting of first yoke and the second yoke, on the one hand the first variable magnetic field and the second variable magnetic field are concentrated respectively In the first cavity and the second cavity, magnetic field intermolecular forces are enhanced, especially at separator, magnetic field force is most strong, and this makes The vibrating diaphragm sound generating mechanism in separator vibration accommodating cavity must be suspended under the driving of the first variable magnetic field and the second variable magnetic field, The extreme position of motion holds to vibrate the top or bottom of accommodating cavity, the i.e. most strong position of magnetic field force without moving to vibration Put outside chamber.

On the other hand, because yoke is made of using the materials such as the high soft iron of permeability or magnetically soft alloy, vibrating diaphragm sounding machine Structure has fixed magnetic field, therefore, magnetic force attraction between the first yoke and the second yoke and vibrating diaphragm sound generating mechanism be present, this causes not During energization, hanging vibrating diaphragm sound generating mechanism can be suspended in vibration accommodating cavity close to the first magnetic under the magnetic force sucking action One end of yoke or one end of close second yoke.

4. receiver provided by the utility model, vibrating diaphragm sound generating mechanism at the contact gap inside vibration accommodating cavity with filling There is magnetic fluid.Magnetic fluid is a kind of new nano-functional material, not only the mobility with liquid but also with solid magnetic material Magnetic, magnetic conductivity is excellent.Magnetic fluid is applied to the utility model, on the one hand, be advantageous to the first cavity and the second cavity Between sealed, avoid vibrating diaphragm sound generating mechanism both sides up and down space circulation, influence sounding；On the other hand, due to magnetic current Body has good magnetic property, therefore can strengthen magnetic force, specifically, when receiver does not work, can strengthen Part occurs for the first magnetic, absorption affinity between part and hanging vibrating diaphragm sound generating mechanism occurs for the second magnetic, when receiver works, to the One variable magnetic field and the second variable magnetic field play a guide effect, strengthen its magnetic force between fixed magnetic field, carry The sensitivity of high receiver.

5. receiver provided by the utility model, the outward flange of vibrating diaphragm sound generating mechanism and the inwall of vibration accommodating cavity are fixed and connected Connect, when receiver works, vibrating diaphragm sound generating mechanism is by the driving effect of the first variable magnetic field and the second variable magnetic field, and middle part is towards first Air, and then sounding are agitated in cavity and the second cavity direction, and the receiver of the structure, stability and reliability are high.

6. receiver provided by the utility model, vibrating diaphragm sound generating mechanism only includes vibration generating arrangement, vibration generating arrangement With fixed magnetic field, when vibrating diaphragm sound generating mechanism is suspended in vibration accommodating cavity, vibration generating arrangement under variable magnetic field driving, The up-down vibration in vibration accommodating cavity, and then both sides air up and down is agitated, realize sounding；When vibrating diaphragm sound generating mechanism outward flange with When the accommodating cavity wall of vibration connects, for vibration generating arrangement under variable magnetic field driving, air is agitated in middle part towards upper and lower both sides direction, Realize sounding.The vibrating diaphragm sound generating mechanism of the structure eliminates traditional tibial membrane, enormously simplify on the basis of sounding is met Structure and assembling process.

7. receiver provided by the utility model, vibrating diaphragm sound generating mechanism includes fixed frame, vibration generating arrangement and pronunciation Film, vibration generating arrangement are located in the hollow via-hole of fixed frame, and are connected by connection strap with fixed frame, tibial membrane and fixed frame And vibration generating arrangement is connected, and cover hollow via-hole.

The vibrating diaphragm sound generating mechanism of the structure, increase the stiffness of vibration generating arrangement so that vibration generating arrangement is first Under the driving of variable magnetic field and the second variable magnetic field, it is easier to vibrate, vibration frequency is improved, and improves vibrating diaphragm sound generating mechanism High frequency performance.In addition, gap between fixed frame and vibrating diaphragm generating means be present, tibial membrane covers the gap, and is sent out with vibration Generating apparatus is connected with fixed frame, and therefore, when receiver works, vibration generating arrangement is driven coverage gap by magnetic force The tibial membrane at place agitates air to realize sounding, and sounding effect is more preferable.

8. receiver provided by the utility model, part occurs for housing, the first magnetic, part occurs for the second magnetic and separator is Drum, relative to rectangular shape or other shapes, the volume of the receiver can accomplish very little, and raising uses portability Energy.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of receiver provided by the utility model；

Fig. 2 is a kind of partial top view of structure of vibrating diaphragm sound generating mechanism in receiver provided by the utility model；

Fig. 3 is the top view of receiver provided by the utility model.

Description of reference numerals：

1- housings；The housings of 11- first；The housings of 12- second；13- senders；The cavitys of 14- first；The cavitys of 15- second；16- Sound regulating hole；

2- separators；21- vibrates accommodating cavity；211- magnetic fluids；

3- vibrating diaphragm sound generating mechanisms；31- tibial membranes；32- vibration generating arrangements；321- elastic vibration plates；3211- connection straps； 322- magnet steel；33- fixed frames；331- hollow via-holes；

Part occurs for the magnetic of 41- first；The yokes of 411- first；The internal layers of 4111- first；The outer layers of 4112- first；The electromagnetism of 412- first Coil；

Part occurs for the magnetic of 42- second；The yokes of 421- second；The internal layers of 4211- second；The outer layers of 4212- second；The electromagnetism of 422- second Coil.

Embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Conflict can is not formed to be combined with each other.

Embodiment 1

The present embodiment provides a kind of receiver, as shown in Figures 1 to 3, including：

Housing 1, including the first housing 11 and the second housing 12, the first housing 11 removably fasten shape with the second housing 12 Into inner chamber, sender 13 is provided with housing 1；

Separator 2, set in the lumen, and inner chamber is separated into the first cavity 14 and the second cavity 15, have in separator 2 There is the vibration accommodating cavity 21 of a upper and lower opening；

Electromagnetic drive mechanism, including the first magnetic occur the magnetic of part 41 and second and part 42 occur, and it is first that part 41, which occurs, for the first magnetic Cavity 14 provides the first variable magnetic field, and it is that the second cavity 15 provides the second variable magnetic field, the first variable magnetic that part 42, which occurs, for the second magnetic Field and the second variable magnetic field are vertical direction, and in the opposite direction, i.e. the first variable magnetic field and the second variable magnetic field are close to isolation The polarity of part 2 is identical；

Vibrating diaphragm sound generating mechanism 3, it is arranged in vibration accommodating cavity 21, there is the fixed magnetic field of vertical direction distribution, it is fixed There are magnetic fields between magnetic field and the first variable magnetic field, the second variable magnetic field, under the driving of magnetic fields, vibrating diaphragm sounding machine Structure 3 is in the vibration internal vibration sounding of accommodating cavity 21.

The specific work process of receiver is in the present embodiment：

Assuming that the N poles of the fixed magnetic field of vibrating diaphragm sound generating mechanism 3, upper, S poles are under, and part occurs for the first magnetic in the first cavity 14 Upper, second magnetic occurs that part 42 provides under, in the second cavity 15 for S poles second can for the N poles of 41 the first variable magnetic fields provided The N poles of varying magnetic field are under, and S poles are upper, i.e. the S poles of the first variable magnetic field and the N of fixed magnetic field are extremely relative, the second variable magnetic field The S of S poles and fixed magnetic field is extremely relative, according to " magnetic pole of the same name is mutually exclusive, synonyms pole attracts each other " law, fixed magnetic field by The attraction of first variable magnetic field in the first cavity 14, while by the repulsive force of the second variable magnetic field in the second cavity 15, Now, vibrating diaphragm sound generating mechanism 3 vibrates towards the direction of the first cavity 14；Similarly understand, when changing the first variable magnetic field and second variable The magnetic direction in magnetic field, vibrating diaphragm sound generating mechanism 3 vibrate towards the direction of the second cavity 15.So circulation, realizes vibrating diaphragm sound generating mechanism 3 Up and down reciprocatingly vibration sounding.

The setting of separator 2, on the one hand, the magnetic of part 41 and second generation part 42 is occurred into for the first magnetic and separated, is effectively prevented First variable magnetic field and the second variable magnetic field interfere, and avoid magnet short-cut path phenomenon from occurring；On the other hand, shaking in separator 2 Dynamic accommodating cavity 21 is that vibrating diaphragm sound generating mechanism 3 provides certain oscillation space and Oscillation Amplitude, ensure that its sounding effect.

Tibial membrane 31 is arranged on housing 1 with traditional receiver, by guide pin or drive link by tibial membrane 31 with balancing The structure that armature links together is different, receiver provided by the utility model, and vibrating diaphragm sound generating mechanism 3 is used as an entirety, peace In vibration accommodating cavity 21, the internal structure of receiver is simplified, improves efficiency of assembling.In addition, the receiver of the structure, It is made up of three modules：Part 41 occurs for the first housing 11 and its first magnetic in the cavity 14 of the first housing 11 first, makees For the first module；Part 42 occurs for the second housing 12 and its second magnetic in the cavity 15 of the second housing 12 second, is used as the Two modules；Separator 2 and its vibrating diaphragm sound generating mechanism 3 being arranged in the vibration accommodating cavity 21 of separator 2, as the 3rd module；Three Individual module is individually assembled, and these three module assembleds can finally be completed to the assembling process of receiver together, in this way, significantly simple The internal structure of receiver is changed, has improved the degree of modularity of receiver, improve efficiency of assembling.

As preferred design, the magnetic force of the magnetic of part 41 or second generation part 42 occurs in the first magnetic for vibrating diaphragm sound generating mechanism 3 Under attraction, the top or bottom of vibration accommodating cavity 21 are suspended on.

Specifically, when the receiver does not work, because vibrating diaphragm sound generating mechanism 3 has a fixed magnetic field, itself and the first magnetic The magnetic of generation part 41 and second occur part 42 between have magnetic force attraction, when the first magnetic of distance of vibrating diaphragm sound generating mechanism 3 occur part 41 compared with When near, the attraction that it occurs with the first magnetic between part 41 is larger, then absorption occurs in vibration accommodating cavity 21 close to the first magnetic One end of part 41, conversely, then one end of part 42 is occurring close to the second magnetic for absorption.In this way, manually vibrating diaphragm need not be sent out Sound mechanism 3 is arranged in vibration accommodating cavity 21, be further simplify assembly technology, is improved the automaticity of the receiver.

Include as shown in figure 1, part 41 occurs for the first magnetic：

First yoke 411, it is fixedly installed on inside the first cavity 14, the first yoke 411 includes the first internal layer 4111 and the One outer layer 4112, and the first yoke 411 is close to one end closure in the outside of the first cavity 14；

First magnet coil 412, it is wound between the first internal layer 4111 and the first outer layer 4112；

Part 42, which occurs, for the second magnetic includes：

Second yoke 421, it is fixedly installed on inside the second cavity 15, the second yoke 421 includes the second internal layer 4211 and the Two outer layers 4212, and the second yoke 421 is close to one end closure in the outside of the second cavity 15；

Second magnet coil 422, it is wound between the second internal layer 4211 and the second outer layer 4212.

Part occurs for the magnetic of the structure, using the law of electromagnetic induction, by the first magnet coil 412 and the second magnet coil 422 are passed through forward current or reverse current, so as to produce the first variable magnetic field and the second variable magnetic field, simple in construction, reliability It is high.

The setting of first yoke 411 and the second yoke 421, on the one hand cause the first variable magnetic field and the second variable magnetic field point Do not concentrate in the first cavity 14 and the second cavity 15, enhance magnetic field intermolecular forces, especially at separator 2, magnetic field Power is most strong, and this vibrating diaphragm sound generating mechanism 3 for be suspended in the vibration accommodating cavity 21 of separator 2 can in the first variable magnetic field and second Under the driving of varying magnetic field, the extreme position of motion is the top or bottom of vibration accommodating cavity 21, i.e. the most strong position of magnetic field force, and It will not move to outside vibration accommodating cavity 21.

On the other hand, because yoke is made of using the materials such as the high soft iron of permeability or magnetically soft alloy, vibrating diaphragm sounding machine Structure 3 has fixed magnetic field, therefore, magnetic force attraction be present between the first yoke 411 and the second yoke 421 and vibrating diaphragm sound generating mechanism 3, When this causes no power, hanging vibrating diaphragm sound generating mechanism 3 can be suspended on close in vibration accommodating cavity 21 under magnetic force attraction One end of first yoke 411 or one end of close second yoke 421.

Vibrating diaphragm sound generating mechanism 3 at the contact gap of the vibration inwall of accommodating cavity 21 with being filled with magnetic fluid 211.Magnetic fluid 211 It is a kind of new nano-functional material, the not only mobility with liquid but also the magnetic with solid magnetic material, magnetic property It is excellent.Magnetic fluid 211 is applied to the utility model, on the one hand, be advantageous to entering between the first cavity 14 and the second cavity 15 Row sealing, the space circulation of the both sides up and down of vibrating diaphragm sound generating mechanism 3 is avoided, influences sounding；On the other hand, due to magnetic fluid 211 With good magnetic property, therefore magnetic force can be strengthened, specifically, when receiver does not work, can be strengthened Absorption affinity between part 41, the second magnetic generation part 42 and hanging vibrating diaphragm sound generating mechanism 3 occurs for one magnetic, when receiver works, One guide effect is played to the first variable magnetic field and the second variable magnetic field, increases its magnetic force between fixed magnetic field By force, the sensitivity of receiver is improved.

As change design scheme, the outward flange of vibrating diaphragm sound generating mechanism 3 is fixedly connected with vibrating the inwall of accommodating cavity 21, Gu It is spot welding mode or glue mode to determine mode.When receiver works, vibrating diaphragm sound generating mechanism 3 is by the first variable magnetic field and second Air, and then sounding are agitated in the driving effect of variable magnetic field, middle part towards the first cavity 14 and the direction of the second cavity 15, the structure Receiver, stability and reliability are high.

In the present embodiment, vibrating diaphragm sound generating mechanism 3 includes vibration generating arrangement 32, and vibration generating arrangement 32 has fixed magnetic .When vibrating diaphragm sound generating mechanism 3 is suspended in vibration accommodating cavity 21, vibration generating arrangement 32 is shaking under variable magnetic field driving Up-down vibration in dynamic accommodating cavity 21, and then both sides air up and down is agitated, realize sounding；When vibrating diaphragm sound generating mechanism 3 outward flange with When vibrating the connection of the inwall of accommodating cavity 21, vibration generating arrangement 32 under variable magnetic field driving, towards upper and lower both sides direction agitate by middle part Air, realize sounding.The vibrating diaphragm sound generating mechanism 3 of the structure eliminates traditional tibial membrane 31, greatly on the basis of sounding is met Simplify structure and assembling process greatly.

Wherein, vibration generating arrangement 32 includes elastic vibration plate 321 and the magnet steel 322 being fixed on elastic vibration plate 321, Elastic vibration plate 321 is made of nonmagnetic substance, and magnet steel 322 is made up of magnetic material, and magnet steel 322 is usually glue in bullet The side of property oscillating plate 321, and extend close to vibrate the position of accommodating cavity wall.Because magnet steel 322 is made up of magnetic material, Therefore magnet steel 322 can produce fixed magnetic field, in the presence of the first cavity 14 and the variable magnetic field of the second cavity 15, magnet steel 322 It can replace by magnetic field force up or down, and then drive the up-down vibration sounding of elastic vibration plate 321.

As the change design scheme of vibration generating arrangement 32, vibration generating arrangement 32 only includes elastic vibration plate 321, bullet Property oscillating plate 321 be made of magnetic material, such as high lead magnetically hard alloy.Magnet steel 322 is just so eliminated, by the He of magnet steel 322 Elastic vibration plate 321 is combined into one, and simplifies the structure of vibration generating arrangement 32.

As the change design scheme of vibrating diaphragm sound generating mechanism 3, vibrating diaphragm sound generating mechanism 3 also includes tibial membrane 31, is attached at and shakes Dynamic generating means 32.Tibial membrane 31 is provided with beneficial to its sounding effect of raising.

As the another change design scheme of vibrating diaphragm sound generating mechanism 3, as shown in Fig. 2 vibrating diaphragm sound generating mechanism 3 also includes：

Fixed frame 33, there is a hollow via-hole 331, vibration generating arrangement 32 is arranged in hollow via-hole 331, and if by Involvement narrow bars 3211 are connected with fixed frame 33；

Tibial membrane 31, surrounding are fixedly connected with fixed frame 33 and cover hollow via-hole 331, and the middle part of tibial membrane 31 is with shaking Dynamic generating means 32 is fixedly connected；

The vibrating diaphragm sound generating mechanism 3 is only applicable to its outward flange with vibrating the state when inwall of accommodating cavity 21 is fixedly connected, Now, the outward flange of fixed frame 33 is fixedly connected with vibrating the inwall of accommodating cavity 21.

The vibrating diaphragm sound generating mechanism 3 of the structure, increase the stiffness of vibration generating arrangement 32, make it in the first variable magnetic field and Under the driving of second variable magnetic field, it is easier to vibrate, vibration frequency is improved, and improves the high frequency of vibrating diaphragm sound generating mechanism 3 Energy.In addition, gap between fixed frame 33 and vibration generating arrangement 32 be present, tibial membrane 31 covers the gap, and occurs with vibration Device 32 is connected with fixed frame 33, and therefore, when receiver works, vibration generating arrangement 32 is driven covering by magnetic force The tibial membrane 31 of gap location agitates air to realize sounding, and sounding effect is more preferable.

In the present embodiment, separator 2 is the spacer ring with certain altitude, and spacer ring uses non-magnet_conductible material system Into.

In the present embodiment, the outward flange of separator 2 has certain thickness, is easy to assemble, as shown in figure 1, separator 2 Outward flange is fixedly mounted between the first internal layer 4111 and the second internal layer 4211 and the first magnet coil 412 and the second electromagnetic wire It is close between the first housing 11 and the second housing 12 and between the first outer layer 4112 and the second outer layer 4212 between circle 422 Envelope is fixedly connected.Wherein, fixed mode can use spot welding mode or glue mode.

In the present embodiment, as shown in figure 3, part 41 occurs for housing 1, the first magnetic, part 42 occurs for the second magnetic, separator 2 is Drum.Relative to rectangular shape or other shapes, the volume of the receiver can accomplish very little, and raising uses portability Energy.

In the present embodiment, sound regulating hole 16 is also included on housing 1.

Embodiment 2

The present embodiment provides a kind of assembly method of above-mentioned receiver, comprises the following steps：

S11, by the first magnet coil 412 around the home the first internal layer 4111 of the first yoke 411 and the first outer layer 4112 it Between, part 41 occurs to form the first magnetic；

S12, by the second magnet coil 422 around the home the second internal layer 4211 of the second yoke 421 and the second outer layer 4212 it Between, part 42 occurs to form the second magnetic；

S13, assembling vibrating diaphragm sound generating mechanism 3；

S21, by the first magnetic occur part 41 be arranged on the first housing 11 inside, formed the first module；

S22, by the second magnetic occur part 42 be arranged on the second housing 12 inside, formed the second module；

S23, vibrating diaphragm sound generating mechanism 3 is arranged in the vibration accommodating cavity 21 of separator 2, forms the 3rd module；

S3, the first module and the second module assembled fixed, while the 3rd module is fixed on the first module and the second mould Between block.

It should be noted that step S11, S12, S13 are synchronously carried out, it is not necessary to are carried out successively, in this way, part occurs for the first magnetic 41st, part 42 and vibrating diaphragm sound generating mechanism 3, which occur, for the second magnetic individually to assemble simultaneously.Step S21, S22, S23 are synchronously carried out, the One module, the second module and the 3rd module can be assembled individually simultaneously, it is thereby achieved that the modularization assembling of receiver, section Substantial amounts of installation time has been saved, has substantially increased efficiency of assembling.

In addition, vibrating diaphragm sound generating mechanism 3 is assembled as overall, tibial membrane 31 is pacified when being assembled different from traditional receiver On housing 1, then the assembly method for being connected tibial membrane 31 with balanced armature by guide pin or drive link, it enormously simplify dress With process, efficiency of assembling is improved.

Wherein, vibrating diaphragm sound generating mechanism 3 includes vibration generating arrangement 32, and vibration generating arrangement 32 has fixed magnetic field, vibration Generating means 32 includes elastic vibration plate 321 and magnet steel 322,

Step S13 is specially：Magnet steel 322 is fixed on to the side of elastic vibration plate 321 using glue mode, to be formed Vibrating diaphragm sound generating mechanism 3, wherein magnet steel 322 extend close to 321 outer peripheral position of elastic vibration plate.

As the change design scheme of vibration generating arrangement 32, vibration generating arrangement 32 only includes elastic vibration plate 321, bullet Property oscillating plate 321 be made of magnetic material, such as high lead magnetically hard alloy.Magnet steel 322 is just so eliminated, by the He of magnet steel 322 Elastic vibration plate 321 is combined into one, and further simplify assembly technology.

As the change design scheme of vibrating diaphragm sound generating mechanism 3, vibrating diaphragm sound generating mechanism 3 includes vibration generating arrangement 32 and pronunciation Film 31, vibration generating arrangement 32 include elastic vibration plate 321 and magnet steel 322,

Step S13 is specially：Magnet steel 322 is fixed on to the side of elastic vibration plate 321 using glue mode, using glue Tibial membrane 31 is attached at the opposite side of elastic vibration plate 321 by bonding method, to form vibrating diaphragm sound generating mechanism 3.Similarly, magnet steel 322 can save.

As the another change design scheme of vibrating diaphragm sound generating mechanism 3, vibrating diaphragm sound generating mechanism 3 includes fixed frame 33, vibration hair Generating apparatus 32 and tibial membrane 31, vibration generating arrangement 32 include elastic vibration plate 321 and magnet steel 322,

Step S13 is specially：Magnet steel 322 is fixed on to the side of elastic vibration plate 321 using glue mode, by elasticity Oscillating plate 321 is arranged in the hollow via-hole 331 of fixed frame 33, and by some connection straps 3211 by elastic vibration plate 321 with Fixed frame 33 is connected, then tibial membrane 31 is attached at into elastic vibration plate 321 and fixed frame 33, and covers hollow via-hole 331, with Form vibrating diaphragm sound generating mechanism 3.Similarly, magnet steel 322 can save.

Step S21 is specially：The first yoke 411 for being arranged with the first magnet coil 412 is glued by way of glue It is attached on the internal face of the first housing 11.

Step S22 is specially：The second yoke 421 for being arranged with the second magnet coil 422 is glued by way of glue It is attached on the internal face of the second housing 12.

Step S23 is specially：Vibrating diaphragm sound generating mechanism 3 is vacantly positioned in vibration accommodating cavity 21, now needed and step S3, which coordinates, to be carried out, specifically, the first module and separator 2 is pre-assembled, and vibrating diaphragm sound generating mechanism 3 then is positioned over into isolation In the vibration accommodating cavity 21 of part 2, attract because part 41 occurs for the magnetic of vibrating diaphragm sound generating mechanism 3 and first with magnetic force, vibrating diaphragm sounding machine Structure 3 is suspended in the position that part 41 occurs in vibration accommodating cavity 21 close to the first magnetic, finally completes the assembling of the second module；Or will Second module and separator 2 are pre-assembled, and then vibrating diaphragm sound generating mechanism 3 is positioned in the vibration accommodating cavity 21 of separator 2, The magnetic of vibrating diaphragm sound generating mechanism 3 and second occurs part 42 and attracted with magnetic force, and vibrating diaphragm sound generating mechanism 3 is suspended in vibration accommodating cavity 21 and leaned on The position of part 42 occurs for nearly second magnetic, finally completes the assembling of the first module.

It should be noted that except last a kind of in a variety of alterable designs of the foregoing structure of vibrating diaphragm sound generating mechanism 3 Structure, remaining is applied to above-mentioned assembly method.

The step of inwall coating magnetic fluid 211 of vibration accommodating cavity 21 are additionally included in before step S23.

As alterable design, step S23 is specially：By the outward flange of vibrating diaphragm sound generating mechanism 3 be fixedly connected on every Off member 2 is vibrated on the inwall of accommodating cavity 21, and fixed form is spot welding or dispensing.

It should be noted that a variety of alterable designs of the foregoing structure of vibrating diaphragm sound generating mechanism 3 are applied to above-mentioned dress Method of completing the square, for example, when the outward flange of vibrating diaphragm sound generating mechanism 3 is elastic vibration plate 321, then elastic vibration plate 321 and vibration are held The inwall of chamber 21 is put to fix, when the outward flange of vibrating diaphragm sound generating mechanism 3 is fixed frame 33, then by fixed frame 33 with vibration accommodating cavity 21 Wall is fixed.

Step S3 is specially：There is certain thickness outward flange to consolidate by glue mode or spot welding mode separator 2 Surely be connected between the first internal layer 4111 and the second internal layer 4211 and the first magnet coil 412 and the second magnet coil 422 it Between, being that sealing is fixed between the first housing 11 and the second housing 12 and between the first outer layer 4112 and the second outer layer 4212 connects Connect.

Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims

A kind of 1. receiver, it is characterised in that including：

Housing (1), including the first housing (11) and the second housing (12), first housing (11) is removably with described second Housing (12) fastens and forms inner chamber；

Separator (2), is arranged in the inner chamber, and the inner chamber is separated into the first cavity (14) and the second cavity (15), There is the vibration accommodating cavity (21) of a upper and lower opening in the separator (2)；

Electromagnetic drive mechanism, including part (41) occurs for the first magnetic and part (42) occurs for the second magnetic, part (41) occurs for first magnetic The first variable magnetic field is provided for first cavity (14), second magnetic occurs part (42) and provided for second cavity (15) Second variable magnetic field, first variable magnetic field and second variable magnetic field are identical close to the polarity of the separator (2)；

Vibrating diaphragm sound generating mechanism (3), it is arranged in the vibration accommodating cavity (21), there is a fixed magnetic field, can be described first In described vibration accommodating cavity (21) internal vibration sounding under variable magnetic field and second variable magnetic field driving.
2. receiver according to claim 1, it is characterised in that the vibrating diaphragm sound generating mechanism (3) is sent out in first magnetic Raw part (41) or the second magnetic occur under the magnetic force attraction of part (42), are suspended on the top or bottom of the vibration accommodating cavity (21).
3. receiver according to claim 1 or 2, it is characterised in that part (41), which occurs, for first magnetic includes：

First yoke (411), is fixedly installed on the first cavity (14) inside, and first yoke (411) is included in first Layer (4111) and the first outer layer (4112)；

First magnet coil (412), it is wound between first internal layer (4111) and first outer layer (4112)；

And/or second magnetic occurs part (42) and included：

Second yoke (421), is fixedly installed on the second cavity (15) inside, and second yoke (421) is included in second Layer (4211) and the second outer layer (4212)；

Second magnet coil (422), it is wound between second internal layer (4211) and second outer layer (4212).
4. receiver according to claim 2, it is characterised in that the vibrating diaphragm sound generating mechanism (3) and the vibration are accommodating Magnetic fluid (211) is filled with the contact gap of chamber (21) inwall.
5. receiver according to claim 1, it is characterised in that the outward flange of the vibrating diaphragm sound generating mechanism (3) with it is described The inwall of vibration accommodating cavity (21) is fixedly connected.
6. the receiver according to claim 2 or 5, it is characterised in that the vibrating diaphragm sound generating mechanism (3) includes vibration Device (32), the vibration generating arrangement (32) have the fixed magnetic field.
7. receiver according to claim 6, it is characterised in that the vibration generating arrangement (32) includes elastic vibration plate (321), the elastic vibration plate (321) is made of magnetic material；

Or the vibration generating arrangement (32) includes elastic vibration plate (321) and is fixed on the elastic vibration plate (321) Magnet steel (322), the elastic vibration plate (321) is made of nonmagnetic substance.
8. receiver according to claim 6, it is characterised in that the vibrating diaphragm sound generating mechanism (3) also includes：

Tibial membrane (31), it is attached at the vibration generating arrangement (32).
9. receiver according to claim 5, it is characterised in that the vibrating diaphragm sound generating mechanism (3) includes：

Fixed frame (33), has a hollow via-hole (331), and outward flange is fixedly connected with the vibration accommodating cavity (21)；

Vibration generating arrangement (32), be arranged in the hollow via-hole (331), and by some connection straps (3211) with it is described solid Determine frame (33) connection；

Tibial membrane (31), surrounding are fixedly connected with the fixed frame (33) and cover the hollow via-hole (331), the pronunciation The middle part of film (31) is fixedly connected with the vibration generating arrangement (32).
10. receiver according to claim 1, it is characterised in that the separator (2) be with certain altitude every From packing ring, the spacer ring is made of non-magnet_conductible material.
11. receiver according to claim 3, it is characterised in that the outward flange of the separator (2) is fixedly mounted on institute State between the first internal layer (4111) and second internal layer (4211) and the first magnet coil (412) and the second magnet coil (422) between, between first housing (11) and the second housing (12) and first outer layer (4112) and the second outer layer (4212) it is to be sealedly and fixedly connected between.
12. receiver according to claim 1, it is characterised in that the housing (1), first magnetic occur part (41), Part (42) occurs for second magnetic, the separator (2) is drum.