CN207410478U - Electroacoustic transducer - Google Patents

Electroacoustic transducer Download PDF

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Publication number
CN207410478U
CN207410478U CN201721306070.5U CN201721306070U CN207410478U CN 207410478 U CN207410478 U CN 207410478U CN 201721306070 U CN201721306070 U CN 201721306070U CN 207410478 U CN207410478 U CN 207410478U
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CN
China
Prior art keywords
shell
magnetic
blocking
conductive board
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721306070.5U
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Chinese (zh)
Inventor
李�杰
刘华伟
韩志磊
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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Priority to CN201721306070.5U priority Critical patent/CN207410478U/en
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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/08Mouthpieces; Microphones; Attachments therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Abstract

The utility model embodiment provides a kind of electroacoustic transducer, includes shell, sets electrical connection shrapnel on the housing and be molded the side magnetic conductive board being fixed in the side wall of the shell;Wherein, the electrical connection shrapnel includes the fixed part being fixed in the side wall of outer shell, the elasticity arm that is connected with the fixed part and limiting section by one end /V of the elasticity arm on the side wall end face of the shell is connected with the elasticity arm;The side wall end face of the shell, which is equipped with, is used cooperatively the blocking part for limiting the limiting section abjection with the limiting section;The side magnetic conductive board close to the blocking part is equipped with the extension stretched into the blocking part.The technical solution that the utility model embodiment provides greatly increases the intensity of shell blocking part, effectively solves in the prior art because electrical connection shrapnel takes off extension caused by the deformation of shell blocking part insufficient strength.

Description

Electroacoustic transducer
Technical field
The utility model is related to technical field of electronic equipment more particularly to a kind of electroacoustic transducers.
Background technology
At present, as requirement of the people to mobile phone quality in the market is higher and higher, all components of interior of mobile phone should all have There is higher product reliability.For example, the electroacoustic transducer (loud speaker and microphone) in mobile phone.
Shrapnel is electrically connected as most important conducting connecting component in electroacoustic transducer, it is tighter to its reliability requirement It is severe.Conventional bent angle electrical connection shrapnel, shrapnel hook is directly hung in the door hanging (also or blocking part) of injection casing, in high temperature Plastic cement can soften under super-humid conditions, and shell door hanging is highly prone to elastic effect deformation in the place with shrapnel hook contact, Shrapnel is caused to take off extension, product reliability is caused, which to reduce, influences acoustic quality.
Utility model content
The utility model embodiment provides a kind of electroacoustic transducer, to improve the reliability of product.
Then, in one embodiment of the utility model, a kind of electroacoustic transducer is provided.Electroacoustic transducer includes: Shell sets electrical connection shrapnel on the housing and is molded the side magnetic conductive board being fixed in the side wall of the shell;Its In,
The electrical connection shrapnel includes the fixed part being fixed in the side wall of outer shell, the elastic force being connected with the fixed part Arm and limiting section by one end /V of the elasticity arm on the side wall end face of the shell is connected with the elasticity arm;
The side wall end face of the shell, which is equipped with, to be used cooperatively to limit supporting for the limiting section abjection with the limiting section Stopper;
The side magnetic conductive board close to the blocking part is equipped with the extension stretched into the blocking part.
Optionally, the side magnetic conductive board includes:Main part and it is arranged on the curved to the blocking part of the main part both ends The bending part of folding;
The extension is arranged on the bending part.
Optionally, the main part, the bending part and the extension form zigzag structure.
Optionally, the limiting section is hook, and the side wall end face of the shell is equipped with links up with the hook groove being adapted to described, The cell wall in the sidewall end surface side of the hook groove is the blocking part.
Optionally, the shell is quadrangle shell;
The electrical connection shrapnel, and two opposite short side walls are equipped on the opposite short side wall of the two of the quadrangle shell On the limiting section of the electrical connection shrapnel be located at homonymy;
Being respectively equipped with positioned at the both ends of the long side side wall end face of the limiting section one side described in one for the shell is kept out Portion;
The both ends for the side magnetic conductive board that injection is fixed on the long side side wall, which are equipped with, to be stretched into the blocking part The extension.
Optionally, the electroacoustic transducer further includes magnetic circuit system;
The magnetic circuit system includes:The conductive magnetic yoke being fixedly connected with the madial wall of the shell, is fixed in conductive magnetic yoke Magnet assemblies and positioned at magnetic conductive board component of the magnet assemblies away from the conductive magnetic yoke one side;Wherein,
The magnet assemblies include centring magnet and the side magnet set around centring magnet, and the magnetic conductive board component includes The center magnetic conductive board that is arranged on the centring magnet and it is arranged on the while magnetic conductive board while on magnet;
The magnetic conductive board when magnetic conductive board is described.
Optionally, the electroacoustic transducer further includes the vibrational system, and the vibrational system is including vibrating diaphragm and admittedly It is scheduled on the voice coil of the vibrating diaphragm one side;
The internal magnetic circuit that the centring magnet and the center magnetic conductive board are formed, with it is described in magnet and it is described while magnetic conductive board it Between the external magnetic circuit that is formed, between there is magnetic gap;
The voice coil is hung in the magnetic gap.
Optionally, the fixed part of the electrical connection shrapnel is electrically connected in the enclosure and the lead of the voice coil It connects.
Optionally, the elasticity arm includes the shrapnel contact of arcuate structure, and the shrapnel contact is connected with external circuit leads It is logical.
The technical solution that the utility model embodiment provides, by adding extension on the magnetic conductive board of side, the extension is deep Enter to keep out the blocking part of the limiting section abjection of electrical connection shrapnel, greatly increase the intensity of shell blocking part, effectively It solves in the prior art because electrical connection shrapnel takes off extension caused by the deformation of shell blocking part insufficient strength.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 shows the positive structure diagram of the shell for the electroacoustic transducer that one embodiment of the utility model provides;
Fig. 2 shows the present invention looks up structural representation of the shell for the electroacoustic transducer that one embodiment of the utility model provides;
Fig. 3 shows the structure diagram of side magnetic conductive board in the electroacoustic transducer that one embodiment of the utility model provides;
Fig. 4 shows the exploded perspective view for the electroacoustic transducer that one embodiment of the utility model provides;
Fig. 5 shows the structure diagram that shrapnel is electrically connected in the electroacoustic transducer that one embodiment of the utility model provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those skilled in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
Figures 1 and 2 show that the structure diagram for the electroacoustic transducer that one embodiment of the utility model provides.Such as Fig. 1 and Shown in Fig. 2, electroacoustic transducer includes:Shell 1, the electrical connection shrapnel 2 being arranged on the shell 1 and injection are fixed on described Side magnetic conductive board 3 in the side wall of shell 1;Wherein, the electrical connection shrapnel 2 includes the fixation being fixed in 1 side wall of shell It portion's (Fig. 1 and Fig. 2 are not shown), the elasticity arm 21 being connected with the fixed part and is connected with the elasticity arm 21 by the elastic force Limiting section 22 of one end /V of arm 21 on the side wall end face of the shell 1;The side wall end face of the shell 1 is equipped with and institute Limiting section is stated to be used cooperatively to limit the blocking part 11 of the limiting section abjection;The side magnetic conductive board close to the blocking part 11 3 are equipped with the extension 31 stretched into the blocking part 11.
The technical solution that the utility model embodiment provides, by adding extension on the magnetic conductive board of side, the extension is deep Enter to keep out the blocking part of the limiting section abjection of electrical connection shrapnel, greatly increase the intensity of shell blocking part, effectively It solves in the prior art because electrical connection shrapnel takes off extension caused by the deformation of shell blocking part insufficient strength.
Need exist for explanation be:The electrical connection shrapnel can be realized by the way that fixed part is moulded in the side wall of outer shell It fixes or is fixed on the shell in a manner that the electrical connector with being molded inside the shell is connected.For example, it is molded in shell Electrical connector, electrical connection shrapnel are welded and fixed or connect and fix with electrical connector.
In a kind of achievable technical solution, as shown in figure 3, the side magnetic conductive board 3 includes:It main part 33 and is arranged on The bending part 32 bent to the blocking part at 33 both ends of main part;The extension 31 is arranged on the bending part 32 On.Wherein, the installation position of the extension 31 and angle during setting between bending part 32 etc. can be according to blocking parts Position and structure determine.Specifically, if wall is kept out in blocking part for one parallel with main part, and blocking part is located at magnetic conductive board The periphery of main body, then the extension 31 may be provided on bending part and extend towards the direction away from the main part, such as Fig. 2 and Shown in Fig. 3.More specifically, as shown in figure 3, the main part 33, the bending part 32 and the extension 31 form zigzag knot Structure.I.e., as shown in Figures 2 and 3, main part 33 is vertical with bending part 32, and bending part 32 is vertical with extension 31.
Need exist for explanation be:In addition to the set-up mode vertical with extension 31 except above-mentioned bending part 32, extension 31 Can be in the acute angle setting less than 90 degree with bending part, the present embodiment is not especially limited this.
Further, as shown in Fig. 2, the limiting section 22 is hook, the side wall end face of the shell 1 be equipped with it is described The hook groove of adaptation is linked up with, the cell wall in the sidewall end surface side of the hook groove is the blocking part 11.
Further, the shell 1 is quadrangle shell;On the opposite short side wall 12 and 13 of the two of the quadrangle shell The electrical connection shrapnel 2 is equipped with, and the limiting section of the electrical connection shrapnel 2 on two opposite short side walls 12 and 13 is located at together The place side that label 100 is directed toward in side, i.e. Fig. 1;The shell 1 positioned at 14 end face of long side side wall of 22 one side of limiting section Both ends be respectively equipped with a blocking part 11;Injection is fixed on two of the side magnetic conductive board 3 on the long side side wall 14 End is equipped with the extension 31 stretched into the blocking part 11.
Further, as shown in figure 4, the electroacoustic transducer further includes magnetic circuit system.The magnetic circuit system includes:With The conductive magnetic yoke 4 that the madial wall of the shell 1 is fixedly connected, magnet assemblies being fixed in conductive magnetic yoke 4 and positioned at magnet assemblies Magnetic conductive board component away from 4 one side of conductive magnetic yoke;Wherein, the magnet assemblies include centring magnet 5 and around centring magnets 5 The side magnet 6 of setting, the magnetic conductive board component include the center magnetic conductive board 7 being arranged on the centring magnet 5 and are arranged on The while magnetic conductive board 8 while on magnet 6;The magnetic conductive board 8 when magnetic conductive board 3 is described.
Further, as shown in figure 4, the electroacoustic transducer further includes the vibrational system, the vibrational system bag Include vibrating diaphragm 9 and the voice coil 10 for being fixed on 9 one side of vibrating diaphragm;The centring magnet 5 and the center magnetic conductive board 7 form interior Magnetic circuit, with it is described in magnet 6 and it is described while magnetic conductive board 8 between the external magnetic circuit that is formed, between there is magnetic gap;The voice coil 10 is outstanding It is located in the magnetic gap.When it is implemented, the fixed part of the electrical connection shrapnel 21 inside of the shell with it is described The lead electrical connection of voice coil 10.
A kind of realization structure of electrical connection shrapnel as shown in Figure 5, the elasticity arm 21 of the electrical connection shrapnel 2 include:Arc The shrapnel contact 25 of shape structure, the shrapnel contact 25 are connected conducting with external circuit.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc. With replacement;And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model technology The spirit and scope of scheme.

Claims (9)

1. a kind of electroacoustic transducer, which is characterized in that including:Shell, the electrical connection shrapnel and note of setting on the housing Modeling is fixed on the side magnetic conductive board in the side wall of the shell;Wherein,
The electrical connection shrapnel include the fixed part being fixed in the side wall of outer shell, the elasticity arm that is connected with the fixed part with And the limiting section by one end /V of the elasticity arm on the side wall end face of the shell is connected with the elasticity arm;
The side wall end face of the shell, which is equipped with, is used cooperatively the blocking part for limiting the limiting section abjection with the limiting section;
The side magnetic conductive board close to the blocking part is equipped with the extension stretched into the blocking part.
2. electroacoustic transducer according to claim 1, which is characterized in that the side magnetic conductive board includes:Main part and setting The bending part bent to the blocking part at the main part both ends;
The extension is arranged on the bending part.
3. electroacoustic transducer according to claim 2, which is characterized in that the main part, the bending part and described prolong Long portion forms zigzag structure.
4. electroacoustic transducer according to any one of claim 1 to 3, which is characterized in that the limiting section is links up with, institute The side wall end face for stating shell is equipped with the hook groove being adapted to the hook, the cell wall in the sidewall end surface side of the hook groove For the blocking part.
5. electroacoustic transducer according to any one of claim 1 to 3, which is characterized in that the shell is outside quadrangle Shell;
The electrical connection shrapnel is equipped on the opposite short side wall of the two of the quadrangle shell, and on two opposite short side walls The limiting section of the electrical connection shrapnel is located at homonymy;
The shell is respectively equipped with a blocking part positioned at the both ends of the long side side wall end face of the limiting section one side;
Be molded the both ends of the side magnetic conductive board being fixed on the long side side wall be equipped with stretch into it is described in the blocking part Extension.
6. electroacoustic transducer according to any one of claim 1 to 3, which is characterized in that further include magnetic circuit system;
The magnetic circuit system includes:The conductive magnetic yoke being fixedly connected with the madial wall of the shell, the magnet being fixed in conductive magnetic yoke Component and positioned at magnetic conductive board component of the magnet assemblies away from the conductive magnetic yoke one side;Wherein,
The magnet assemblies include centring magnet and the side magnet set around centring magnet, and the magnetic conductive board component includes setting In the center magnetic conductive board on the centring magnet and it is arranged on the while magnetic conductive board while on magnet.
7. electroacoustic transducer according to claim 6, which is characterized in that further include vibrational system, the vibrational system bag Include vibrating diaphragm and the voice coil for being fixed on the vibrating diaphragm one side;
The internal magnetic circuit that the centring magnet and the center magnetic conductive board are formed, with it is described in magnet and it is described while magnetic conductive board between shape Into external magnetic circuit, between have magnetic gap;
The voice coil is hung in the magnetic gap.
8. electroacoustic transducer according to claim 7, which is characterized in that the fixed part injection of the electrical connection shrapnel It is electrically connected in the enclosure with the lead of the voice coil.
9. electroacoustic transducer according to any one of claim 1 to 3, which is characterized in that the elasticity arm includes arc The shrapnel contact of structure, the shrapnel contact are connected conducting with external circuit.
CN201721306070.5U 2017-09-30 2017-09-30 Electroacoustic transducer Active CN207410478U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721306070.5U CN207410478U (en) 2017-09-30 2017-09-30 Electroacoustic transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721306070.5U CN207410478U (en) 2017-09-30 2017-09-30 Electroacoustic transducer
PCT/CN2017/113968 WO2019061797A1 (en) 2017-09-30 2017-11-30 Electroacoustic converter

Publications (1)

Publication Number Publication Date
CN207410478U true CN207410478U (en) 2018-05-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721306070.5U Active CN207410478U (en) 2017-09-30 2017-09-30 Electroacoustic transducer

Country Status (2)

Country Link
CN (1) CN207410478U (en)
WO (1) WO2019061797A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110933570A (en) * 2019-12-13 2020-03-27 歌尔股份有限公司 Sound production device and electronic equipment

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Publication number Priority date Publication date Assignee Title
JP2002058095A (en) * 2000-08-11 2002-02-22 Star Micronics Co Ltd Electromagnetic-to-sound converter
CN201869356U (en) * 2010-12-06 2011-06-15 厦门冠音泰科技有限公司 Mounting structure for spring leaves of sound generator
CN202488635U (en) * 2012-02-23 2012-10-10 歌尔声学股份有限公司 Miniature speaker
CN204031437U (en) * 2014-08-25 2014-12-17 歌尔声学股份有限公司 A kind of elastic piece structure and loadspeaker structure
CN105516869B (en) * 2016-02-26 2018-09-25 歌尔股份有限公司 Electroacoustic transducer
CN106792388A (en) * 2016-12-26 2017-05-31 歌尔股份有限公司 Microspeaker housing and loudspeaker monomer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110933570A (en) * 2019-12-13 2020-03-27 歌尔股份有限公司 Sound production device and electronic equipment

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WO2019061797A1 (en) 2019-04-04

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