CN205123983U - Loudspeaker - Google Patents

Loudspeaker Download PDF

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Publication number
CN205123983U
CN205123983U CN201520808225.XU CN201520808225U CN205123983U CN 205123983 U CN205123983 U CN 205123983U CN 201520808225 U CN201520808225 U CN 201520808225U CN 205123983 U CN205123983 U CN 205123983U
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CN
China
Prior art keywords
voice coil
centring disk
loud speaker
vibrating diaphragm
shell
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CN201520808225.XU
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Chinese (zh)
Inventor
陈小源
李志�
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Goertek Inc
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Goertek Inc
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Priority to CN201520808225.XU priority Critical patent/CN205123983U/en
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Abstract

The utility model provides a loudspeaker, including shell, vibrating diaphragm, voice coil loudspeaker voice coil subassembly, centring disk and magnetic circuit, wherein, the vibrating diaphragm is fixed on the shell, is provided with the opening in the centre of vibrating diaphragm, and the opening part at the vibrating diaphragm is fixed to the voice coil loudspeaker voice coil subassembly to hang in the shell, magnetic circuit includes with shell fixed connection's magnetic conduction yoke, is located the magnetic conduction yoke and is close to the magnet of voice coil loudspeaker voice coil subassembly one side and is located the china department that magnetic conduction yoke one side was kept away from to magnet, be provided with the support that is used for supporting the centring disk in china department, and, the centring disk coheres to be fixed on the voice coil loudspeaker voice coil subassembly inner wall. Utilize above -mentioned utility model can effectively reduce loudspeaker's height to improve the acoustic performance of product.

Description

Loud speaker
Technical field
The utility model relates to acoustic-electric switch technology field, more specifically, relates to a kind of loud speaker.
Background technology
Loud speaker is as the conventional electro-acoustic transducer device by converting electric energy being acoustic energy, and it plays a part indispensable in sound place system.In our daily life, use at most, the most widely loud speaker be dynamic speaker, be also called coil-moving speaker.It primarily of vibrational system, magnetic circuit system and auxiliary system three part composition.Wherein, vibrational system comprises vibrating diaphragm, voice coil loudspeaker voice coil and centring disk etc.; Magnetic circuit system comprises magnet, washer and conductive magnetic yoke etc.; Auxiliary system comprises protecgulum, shell and lead-out wire etc.In existing coil-moving speaker, especially in loudspeaker, usually form sounding vibrating diaphragm with the ring of paper wood or Fiber Materials with cone basin.Trumpet have with cone basin is connected, the speech coil framework be suspended in magnetic field, described speech coil framework by electromagnetic induction effect produce vibration, thus drive diaphragm oscillations, manufacture sound.
Normal conditions, evenly apply bonding agent at the cone basin of loud speaker and the junction of speech coil framework, both be fixedly connected with by binding agent, thus make cone basin that speech coil framework is suspended on inside loudspeakers, speech coil framework vibration can be with mantle basin to vibrate, thus produces sound.In addition, the centring disk primary bond for stable voice coil loudspeaker voice coil is outside at voice coil loudspeaker voice coil, and namely the centre bore of centring disk is bonded on voice coil loudspeaker voice coil, and the external diameter of centring disk is then bonded in frame, makes loud speaker overall dimensions larger.
Along with the development of loudspeaker techniques, people all have higher requirement to the size of loud speaker and performance, and the defect existing for the fixed form of traditional centring disk affects the lifting of speaker performance.On the one hand, make the whole height of loud speaker higher, be unfavorable for the miniaturization of product.On the other hand, easily impact centring disk in high-power lower voice coil leads, make the sound quality of loud speaker produce flaw, thus the high tone quality requirement of user to loud speaker cannot be met.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of loud speaker, and comparatively large to solve size existing for current loadspeaker structure, voice coil leads easily impacts centring disk, thus affects the problems such as the outward appearance of loud speaker sound and acoustical behavior.
There is provided a kind of loud speaker according to the utility model, comprise shell, vibrating diaphragm, voice coil loudspeaker voice coil, centring disk and magnetic circuit system; Wherein, vibrating diaphragm is fixed on shell, and the centre of vibrating diaphragm is provided with opening, and voice coil loudspeaker voice coil is fixed on the opening part of vibrating diaphragm, and hangs in the enclosure; Magnetic circuit system comprise be fixedly connected with shell conductive magnetic yoke, be positioned at conductive magnetic yoke near the magnet of voice coil loudspeaker voice coil side and be positioned at the washer of magnet away from conductive magnetic yoke side; Washer is provided with the support for supporting centring disk, and centring disk coheres and is fixed on Voice coil assemblies inwall.
In addition, preferred scheme is, centring disk is the annular wavy shaped configuration being provided with mesopore, and the inward flange of centring disk is fixed on support, and the outward flange of centring disk coheres on Voice coil assemblies inwall.
In addition, preferred scheme is, the inwall of Voice coil assemblies has been sticked paster, and paster is brown paper, tawny daylily marble paper, asbestos paper or aramid fiber, and centring disk is cohered by paster and is fixed on Voice coil assemblies inwall.
In addition, preferred scheme is, Voice coil assemblies comprises voice coil loudspeaker voice coil and speech coil framework, and the outward flange of centring disk coheres and is fixed on speech coil framework inwall.
In addition, preferred scheme is, vibrating diaphragm comprises ring and cone basin, and the outward flange of ring and shell cohere fixing, and the inward flange of ring coheres fixing with the top edge of cone basin; Voice coil loudspeaker voice coil coheres fixing with the lower limb of cone basin.
In addition, preferred scheme also comprises dust cover; Wherein, the inward flange of cone basin forms opening, and dust cover is fixed on the opening part of vibrating diaphragm, and coheres fixing with the cone basin of vibrating diaphragm.
In addition, preferred scheme is, magnet and washer are housed in the cavity that conductive magnetic yoke and shell formed; Magnet and form magnetic gap between washer and conductive magnetic yoke, voice coil loudspeaker voice coil is hung in magnetic gap.
In addition, preferred scheme is that Voice coil assemblies comprises voice coil leads, and loud speaker comprises terminal block, and terminal block to be fixed on shell and to be electrically connected with voice coil leads.
Utilize above-mentioned according to loud speaker of the present utility model, have the following advantages:
1, centring disk coheres at speech coil framework inwall, and energy Gu Youxiao reduces the height of speaker product, is beneficial to the slimming development of product.
2, to be sticked a circle paster at speech coil framework inwall, the outward flange of centring disk to be pasted on paster, the firmness that centring disk and speech coil framework cohere can be guaranteed, avoid the phenomenon of high-power lower voice coil leads impact centring disk.
3, at washer upper surface mounting bracket, provide one fixed platform is installed to centring disk, ensure the stability of centring disk, ensure that the acoustical behavior of product is stablized.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the decomposition texture schematic diagram of the loud speaker according to the utility model embodiment;
Fig. 2 is the cross-sectional view of the loud speaker according to the utility model embodiment.
Reference numeral wherein comprises: dust cover 1, vibrating diaphragm 2, ring 21, cone basin 22, centring disk 3, shell 4, terminal block 5, Voice coil assemblies 6, support 7, washer 8, magnet 9, conductive magnetic yoke 10.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
In the following description, for purposes of illustration, in order to provide the complete understanding to one or more embodiment, many details have been set forth.But, clearly, also these embodiments can be realized when there is no these details.In other example, one or more embodiment for convenience of description, known structure and equipment illustrate in block form an.
Mesopore for above-mentioned centring disk coheres outside voice coil loudspeaker voice coil, it is larger that the outward flange of centring disk is fixed on product size existing on shell, voice coil leads is easily beaten and is played ripple (i.e. centring disk), cause the problems such as product acoustical behavior instability, the mesopore (or inward flange) of centring disk is fixed on support by the utility model, the outward flange of centring disk is fixed on the inwall of Voice coil assemblies, effectively can reduce the height of loud speaker, be easy to the realization of Ultrathin speaker, simultaneously, high-power lower voice coil leads can be avoided to beat the phenomenon playing ripple, guarantee the low-profile of product, acoustical behavior is stablized.
For describing loud speaker of the present utility model in detail, below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Fig. 1 shows the loud speaker decomposition texture according to the utility model embodiment; Fig. 2 shows the cross-section structure of the loud speaker according to the utility model embodiment.
As Fig. 1 and Fig. 2 jointly shown in, the loud speaker of the utility model embodiment, comprises the shell 4 in peviform structure, vibrating diaphragm 2, the Voice coil assemblies 6 be fixedly connected with vibrating diaphragm 2, centring disk 3 and magnetic circuit system; Wherein, vibrating diaphragm 2 is fixed on shell 4, and the centre of vibrating diaphragm 2 is provided with opening, and Voice coil assemblies 6 is fixed on the opening part of vibrating diaphragm 2, and is suspended in shell 4; Magnetic circuit system then comprise be fixedly connected with shell 4 conductive magnetic yoke 10, be positioned at conductive magnetic yoke 10 near the magnet 9 of Voice coil assemblies 6 side and be positioned at the washer 8 of magnet 9 away from conductive magnetic yoke 10 side; It is inner that centring disk 3 is arranged on Voice coil assemblies 6, washer 8 is provided with the support 7 for supporting centring disk 3, and Voice coil assemblies 6 comprises voice coil loudspeaker voice coil and speech coil framework, the inwall of speech coil framework has been sticked paster, and centring disk 3 is cohered by paster and is fixed on the inwall of speech coil framework.
Particularly, vibrating diaphragm 2 comprises ring 21 and the cone basin 22 of structure all ringwise, and outward flange and the shell 4 of ring 21 cohere fixing, and the inward flange of ring 21 coheres fixing with the top edge of cone basin 22, and namely the lower limb of cone basin 22 forms the middle opening of vibrating diaphragm 2; Voice coil assemblies 6 coheres fixing with the lower limb (or opening) of cone basin 22, and is suspended in shell 4.Wherein, ring 21 can respectively with shell 4 with bore basin 22 and cohere fixing, also can according to other the fixed form of selection of selecting materials of vibrating diaphragm 2 and shell 4.
Wherein, cone basin 22 is as main sound-producing device, metal material can be adopted in the present embodiment to make, ring 21 as suspention connector, enough intensity and toughness should be had, and for cone basin 22 and Voice coil assemblies 6 enough Oscillation Amplitudes are provided, therefore, ring 21 can adopt rubber, macromolecule polymer material, or in order to improve radiating effect and sound quality further, ring 21 also can adopt metal material.Need to be fixedly connected with closely between ring 21 with cone basin 22, make ring 21 to select different materials according to actual needs.
As shown in Figure 2, the magnetic circuit system in the utility model embodiment comprise be fixedly connected with shell 4 conductive magnetic yoke 10, be positioned at conductive magnetic yoke 10 near the magnet 9 of Voice coil assemblies 6 side and be positioned at the washer 8 of magnet 9 away from conductive magnetic yoke 10 side; Wherein, conductive magnetic yoke 10 can adopt the U-shaped iron of mesopore peviform structure, and conductive magnetic yoke 10 and shell 4 form the cavity of accommodating vibrational system (comprising Voice coil assemblies 6 and vibrating diaphragm) and magnetic circuit system; Namely magnet 9 and washer 8 are housed in the cavity that conductive magnetic yoke 10 and shell 4 formed, magnetic gap is formed between the sidewall of magnet 9 and washer 8 and conductive magnetic yoke 10, be hung in magnetic gap after Voice coil assemblies 6 is fixing with vibrating diaphragm, Voice coil assemblies 6 produces vibration by galvanomagnetic effect, thus drives diaphragm oscillations and sound.
In other words, in specific embodiment of the utility model, magnetic circuit system can comprise conductive magnetic yoke 10, magnet 9 and washer 8.As Fig. 1 and Fig. 2 jointly shown in, the bottom surface of conductive magnetic yoke 10 is circular, and the top of the sidewall of conductive magnetic yoke 10 is arranged on shell 4, and conductive magnetic yoke 10 and shell 4 combine the basic profile forming speaker unit.Conductive magnetic yoke 10 inside is provided with center magnetic path, center magnetic path comprises magnet 9 and washer 8 from top to bottom successively, gap (magnetic gap) is there is between the sidewall of center magnetic path and conductive magnetic yoke 10, make to produce uniform magnetic field between the sidewall of center magnetic path and conductive magnetic yoke 10, the bottom of Voice coil assemblies 6 skeleton extend in magnetic gap, and is positioned at uniform magnetic field.
Wherein, on the upside of washer 8 (namely away from the side of conductive magnetic yoke 10) be provided with the support 7 for supporting centring disk 3, the inward flange of Voice coil assemblies 6 coheres on this support 7.Particularly, centring disk 3 in the utility model can be set to the annular wavy shaped configuration with mesopore, for the vibrational state of steady sound coil assembly 6, Voice coil assemblies 6 is stably vibrated along the direction perpendicular to magnetic field, centring disk 3 comprises inward flange (forming the mesopore of centring disk 3) and outward flange, it is inner that this centring disk 3 is arranged on Voice coil assemblies 6, and inner edges is fixed on support 7, outward flange coheres on speech coil framework inwall, centring disk 3 is arranged on the height that Voice coil assemblies 6 inside can effectively reduce speaker product, realize the slimming development of product.
In addition, conductive magnetic yoke 10, magnet 9, washer 8 and support 7 are provided with the central through hole that position is corresponding up and down, for the rear operatic tunes phonate hole of loud speaker.
It should be noted that, the Voice coil assemblies 6 in the utility model comprises voice coil leads, and voice coil leads is used for and external circuit conducting; Because speech coil framework generally adopts the material such as aluminium or plastics, surperficial smoother, is directly fixed centring disk 3 and speech coil framework, coheres firmness low, easily cause the slippage of centring disk 3.Therefore, in loadspeaker structure of the present utility model, to be sticked a layered paper at the inwall of speech coil framework, centring disk 3 and paster to be carried out cohere fixing, the firmness of centring disk 3 and voice coil loudspeaker voice coil can be improved.Wherein, paster can select brown paper, tawny daylily marble paper, asbestos paper or aramid fiber etc., can realize firmly cohering between centring disk 3 and voice coil loudspeaker voice coil and all can.
In another embodiment of the present utility model, loud speaker also comprises and coheres fixing dust cover 1 with the cone basin 22 of vibrating diaphragm, dust cover 1 can be arcwall face shape structure, for reaching better acoustic efficiency, dust cover 1 can adopt the material identical with vibrating diaphragm material to make, because the inward flange of boring basin 22 forms opening, dust cover 1 is fixed on the opening part of vibrating diaphragm, foreign matter can be prevented, dusts etc. drop down onto in Voice coil assemblies 6 and shell 4, avoid the acoustical behavior affecting loud speaker, in addition, dust cover 1 can also by completely isolated for the upper side and lower side of vibrating diaphragm 2, prevent acoustic short circuit phenomenon.
In addition, the loud speaker of the utility model embodiment can also comprise terminal block 5, and terminal block 5 is fixed on for fixing voice coil leads on shell 4, and makes voice coil leads be connected conducting with external circuit; Wherein, terminal block 5 is fixed on the side of shell 4, and the end of voice coil leads is inserted in or is welded on terminal block 5, and outside voice signal cable also can be inserted on connecting plate 5, directly docks with voice coil leads.
Utilize above-mentioned loud speaker of the present utility model, the inward flange of centring disk is fixed on support, the outward flange of centring disk is fixed on the inwall of speech coil framework, effectively can reduce the height of loud speaker, be easy to realize Ultrathin speaker; In addition, to be sticked a circle paster at speech coil framework inwall, the outward flange of centring disk to be pasted on paster, the firmness that centring disk and speech coil framework cohere can be guaranteed, avoid high-power lower voice coil leads impact centring disk, thus ensure that the acoustical behavior of speaker product is stablized.
Describe in an illustrative manner according to loud speaker of the present utility model above with reference to figure accompanying drawing.But, it will be appreciated by those skilled in the art that the loud speaker that above-mentioned the utility model is proposed, various improvement can also be made on the basis not departing from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.

Claims (8)

1. a loud speaker, comprises shell, vibrating diaphragm, Voice coil assemblies, centring disk and magnetic circuit system; Wherein,
Described vibrating diaphragm is fixing on the housing, and the centre of described vibrating diaphragm is provided with opening, and described Voice coil assemblies is fixed on the opening part of described vibrating diaphragm, and is suspended in described shell;
Described magnetic circuit system comprise be fixedly connected with described shell conductive magnetic yoke, be positioned at described conductive magnetic yoke near the magnet of described Voice coil assemblies side and be positioned at the washer of described magnet away from described conductive magnetic yoke side;
Described washer is provided with the support for supporting described centring disk, and described centring disk coheres and is fixed on described Voice coil assemblies inwall.
2. loud speaker as claimed in claim 1, wherein,
Described centring disk is the annular wavy shaped configuration being provided with mesopore, and the inward flange of described centring disk is fixing on the bracket, and the outward flange of described centring disk coheres on described Voice coil assemblies inwall.
3. loud speaker as claimed in claim 1, wherein,
The inwall of described Voice coil assemblies has been sticked paster, and described paster is brown paper, tawny daylily marble paper, asbestos paper or aramid fiber, and described centring disk is cohered by described paster and is fixed on described Voice coil assemblies inwall.
4. loud speaker as claimed in claim 1, wherein,
Described Voice coil assemblies comprises voice coil loudspeaker voice coil and speech coil framework, and the outward flange of described centring disk coheres and is fixed on described speech coil framework inwall.
5. loud speaker as claimed in claim 4, wherein,
Described magnet and washer are housed in the cavity that described conductive magnetic yoke and described shell formed;
Described magnet and form magnetic gap between washer and described conductive magnetic yoke, described voice coil loudspeaker voice coil is hung in described magnetic gap.
6. loud speaker as claimed in claim 4, wherein,
Described speech coil framework comprises voice coil leads, and described loud speaker comprises terminal block, and described terminal block is fixed on the housing and is electrically connected with described voice coil leads.
7. loud speaker as claimed in claim 1, wherein,
Described vibrating diaphragm comprises ring and cone basin, and outward flange and the described shell of described ring cohere fixing, and the inward flange of described ring and the top edge of described cone basin cohere fixing;
The lower limb of described voice coil loudspeaker voice coil and described cone basin coheres fixing.
8. loud speaker as claimed in claim 7, also comprises dust cover; Wherein,
The inward flange of described cone basin forms opening, and described dust cover is fixed on the opening part of described vibrating diaphragm, and coheres fixing with the cone basin of described vibrating diaphragm.
CN201520808225.XU 2015-10-16 2015-10-16 Loudspeaker Active CN205123983U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520808225.XU CN205123983U (en) 2015-10-16 2015-10-16 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520808225.XU CN205123983U (en) 2015-10-16 2015-10-16 Loudspeaker

Publications (1)

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CN205123983U true CN205123983U (en) 2016-03-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105187997A (en) * 2015-10-16 2015-12-23 歌尔声学股份有限公司 Loudspeaker
CN106231482A (en) * 2016-08-12 2016-12-14 苏州秀转电子有限公司 The vehicle audio of high cooling efficiency
CN106792381A (en) * 2016-12-02 2017-05-31 广东长虹电子有限公司 A kind of simple loudspeaker

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105187997A (en) * 2015-10-16 2015-12-23 歌尔声学股份有限公司 Loudspeaker
US10469952B2 (en) 2015-10-16 2019-11-05 Goertek Inc. Loudspeaker
CN106231482A (en) * 2016-08-12 2016-12-14 苏州秀转电子有限公司 The vehicle audio of high cooling efficiency
CN106231482B (en) * 2016-08-12 2019-10-18 苏州秀转电子有限公司 The vehicle audio of high cooling efficiency
CN106792381A (en) * 2016-12-02 2017-05-31 广东长虹电子有限公司 A kind of simple loudspeaker

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GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee after: Goertek Inc.

Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee before: Goertek Inc.

C56 Change in the name or address of the patentee