CN204442665U - Stack Microspeaker - Google Patents
Stack Microspeaker Download PDFInfo
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- CN204442665U CN204442665U CN201520088018.1U CN201520088018U CN204442665U CN 204442665 U CN204442665 U CN 204442665U CN 201520088018 U CN201520088018 U CN 201520088018U CN 204442665 U CN204442665 U CN 204442665U
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Abstract
The utility model discloses a kind of stack Microspeaker, relate to electro-acoustic product technical field, comprise magnetic circuit system and vibrational system, magnetic circuit system comprises center magnetic path and around magnetic circuit, center magnetic path comprises centring magnet and center washer, annular magnet and annular washer is comprised around magnetic circuit, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, magnetic circuit system is fixed on the upper surface of magnetic conductive board, magnetic conductive board is plate-like structure, support housing is provided with between annular washer and vibrating diaphragm, the metal structure that support housing is formed in one, comprise four sidewalls, magnetic conductive board, magnetic circuit system, support housing and vibrational system be stacking setting from bottom to top.Stack Microspeaker of the present utility model can meet the demand of product slimming, and assembly technology is simple, can realize unified location, superposition assembling, can realize magnetic circuit simultaneously and maximize, enhance product performance between each parts of product.
Description
Technical field
The utility model relates to electroacoustic field, is specifically related to a kind of stack Microspeaker.
Background technology
Microspeaker is a kind of is the energy transducer of acoustical signal by transform electrical signals, and being widely used in the terminal equipments such as PC, toy for children, PDA, is affect the vitals that end product sound puts effect.Along with the fast development of information industry and electron trade, slimming becomes the new development trend of of Microspeaker design already.
In traditional Microspeaker, generally comprise magnetic circuit system, vibrational system and auxiliary system, in prior art, auxiliary system arranges plastic shell usually to support vibrating diaphragm, fixing protecgulum and magnetic circuit, but, the tolerance of injection casing is comparatively large, and due to the wall of injection casing thicker, limit the volume of magnetic circuit; Meanwhile, for the design of thinner Microspeaker product, plastic shell is difficult to make, and is easily out of shape when assembling.Thus, for the demand of current Microspeaker product slimming, shell mechanism design aspect is good solution not.
Utility model content
For the problems referred to above, technical problem to be solved in the utility model is: provide a kind of stack Microspeaker, by the improvement to Total Product structure, simplify the assembly technology of product component, cater to the needs of product slimming, expand the volume of magnetic circuit simultaneously as much as possible, improve the performance of product.
In order to solve the problem, the technical solution of the utility model is:
A kind of stack Microspeaker, comprises magnetic circuit system and vibrational system; Described magnetic circuit system comprises center magnetic path and around magnetic circuit; Described center magnetic path comprises centring magnet and center washer; Describedly comprise annular magnet and annular washer around magnetic circuit; Described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and wherein, described magnetic circuit system is fixed on the upper surface of magnetic conductive board; Described magnetic conductive board is plate-like structure; Support housing is provided with between described annular washer and described vibrating diaphragm; The metal structure that described support housing is formed in one, comprises four sidewalls; The stacking setting from bottom to top of described magnetic conductive board, described magnetic circuit system, described support housing and described vibrational system.
Wherein, described magnetic conductive board is the structure that horizontal direction extends; Described magnetic circuit system is arranged in the upper surface tiling of described magnetic conductive board.
Wherein, described support housing is made up of copper or soft iron material, through punching press or cold-heading one-body molded.
Wherein, the described vibrating diaphragm ring portion that comprises pars intermedia and arrange around described pars intermedia; The periphery in described ring portion is provided with joint portion; The sidewall bonding of the corresponding described support housing in described joint portion is fixing.
Wherein, the upside of described vibrating diaphragm pars intermedia is combined with reinforcement part; Between described vibrating diaphragm and described reinforcement part, centring disk is set; Described centring disk comprise the inner support portion in inner side, the outer support portion in outside and between described inner support portion and described outer support portion around arrange flexible support arm; The centre position of side, left and right, described inner support portion is provided with internal pads, is electrically connected with the lead-in wire of described voice coil loudspeaker voice coil; Described centring disk also comprises the protuberance extending to loud speaker outside from described outer support portion; Described protuberance is provided with external pads, is electrically connected with loud speaker external circuit.
Wherein, the bight of described centring disk is provided with location hole, the position of the corresponding described location hole of described support housing is provided with reference column, and the sidewall of the corresponding described support housing in outer support portion of described centring disk is fixed, and the correspondence position of described vibrating diaphragm joint portion is provided with avoiding structure; Described ring portion is to lower recess, and interior outer ledge is fixed with described inner support portion and described outer support portion respectively; Described voice coil loudspeaker voice coil is bonded in the downside of described vibrating diaphragm pars intermedia.
Wherein, the described annular washer body that comprises annular hollow structure and the extension that outwards extends in parallel from the bight of described body; The sidewall bonding of the corresponding described support housing of described extension is fixing.
Wherein, described vibrating diaphragm forms the rear operatic tunes near the space of described magnetic circuit system side; The bight of described annular washer body is provided with perforate, forms the passage of speaking of the described rear operatic tunes; The position of the corresponding described perforate of described annular magnet is provided with dodges unfilled corner, dodges described perforate.
Wherein, protecgulum is covered with above the outer support portion of described centring disk; Described protecgulum offers through hole as passage of speaking.
Wherein, be describedly arranged at the periphery of described center magnetic path around magnetic circuit and be that certain distance is arranged with described center magnetic path, form magnetic gap; The end of described voice coil loudspeaker voice coil is suspended in described magnetic gap.
After have employed technique scheme, the beneficial effects of the utility model are:
Due in the utility model, magnetic circuit system is fixed on the upper surface of magnetic conductive board, magnetic conductive board is the plate-like structure that horizontal direction extends, magnetic circuit system tiles setting on magnetic conductive board, makes magnetic circuit system be exposed to outside completely, compared to traditional frame structure comprising sidewall, for magnetic circuit system provides larger accommodation space, under the prerequisite that Microspeaker Total Product size is certain, magnetic circuit volume maximization can be realized, thus improve the performance of this kind of Microspeaker product.
Due in stack Microspeaker of the present utility model, not continuing to adopt traditional injection casing, but be provided with support housing between annular washer and vibrating diaphragm, for supporting vibrating diaphragm, limiting the distance between magnetic circuit system and vibrational system; In addition, because support housing is through punching press or the integrated metal structure of cold-heading, is more convenient for ironed, the demand of consumer to speaker product slimming can be met.In the utility model, magnetic conductive board, magnetic circuit system, support housing and vibrational system be stacking setting from bottom to top, can unify to position, superpose assembling between each parts of product, simplifies assembly technology.
Owing to arranging centring disk structure between vibrating diaphragm and reinforcement part, can be used for the location of voice coil loudspeaker voice coil, prevent voice coil loudspeaker voice coil from vibration processes, polarization occurring; The centre position of side, left and right, centring disk inner support portion is provided with internal pads, is electrically connected with the lead-in wire of voice coil loudspeaker voice coil; Centring disk also comprises the protuberance extending to loud speaker outside from outer support portion, and protuberance arranges external pads, can realize the electric connection of product and external circuit.
Due in the utility model, centring disk is positioned at the top of vibrating diaphragm, and vibrating diaphragm has downward depression, and this structural design can reduce the thickness of product equally.
Due in stack Microspeaker of the present utility model, the bight of centring disk is provided with location hole, the position of the corresponding location hole of support housing is provided with reference column, and the correspondence position of vibrating diaphragm joint portion is provided with avoiding structure, is convenient to the assembly completing centring disk and support housing smoothly.
Due in the utility model, vibrating diaphragm forms the rear operatic tunes near the space of magnetic circuit system side, and the bight of annular washer body arranges perforate, as the passage of speaking of the rear operatic tunes, Microspeaker product is operationally spoken smooth and easy, can increase the loudness of product; And be provided with the dodge unfilled corner expecting formed corresponding to the annular magnet that annular washer fixes, to dodge the perforate for speaking, then the passage of speaking of the rear operatic tunes can being avoided to be blocked by annular magnet when assembling, ensureing that it is spoken smoothly.
In sum, stack Microspeaker of the present utility model, on the one hand, by arranging the support housing of metal structure, being convenient to ironed, meeting the trend of product slimming development, also achieve the unified location between each parts of product, superposition assembling simultaneously, simplify assembly technology; On the other hand, magnetic circuit system is fixed on the magnetic conductive board of plate-like structure, achieves the maximization of magnetic circuit volume, improve properties of product, be adapted at applying within the scope of thin speaker and other relevant industries.
Accompanying drawing explanation
Fig. 1 is the product back appearance schematic diagram of the utility model stack Microspeaker;
Fig. 2 is the product front appearance schematic diagram of the utility model stack Microspeaker;
Fig. 3 is the explosive view that the utility model stack Microspeaker removes front-cover structure;
Fig. 4 is the utility model stack Microspeaker oblique cutaway view diagonally;
Reference numeral wherein comprises: 1, centring magnet, 2, center washer, 3, annular magnet, 31, dodge unfilled corner, 4, annular washer, 41, body, 42, extension, 43, perforate, 5, support housing, 51, sidewall, 52, reference column, 6, vibrating diaphragm, 61, pars intermedia, 62, ring portion, 63, joint portion, 64, avoiding structure, 7, reinforcement part, 8, centring disk, 81, inner support portion, 82, outer support portion, 83, support arm, 84, internal pads, 85, protuberance, 86, external pads, 87, location hole, 9, voice coil loudspeaker voice coil, 10, magnetic conductive board, 11, protecgulum, 111, through hole, AA ', to speak passage.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
Embodiment:
As Fig. 1-Fig. 4 jointly shown in, stack Microspeaker of the present utility model, comprise magnetic circuit system and vibrational system, magnetic circuit system comprises center magnetic path (non-label) and around magnetic circuit (non-label), center magnetic path comprises centring magnet 1 and center washer 2, comprises annular magnet 3 and annular washer 4 around magnetic circuit; The voice coil loudspeaker voice coil 9 that vibrational system comprises vibrating diaphragm 6 and is bonded on the downside of vibrating diaphragm pars intermedia 61.During concrete enforcement, annular magnet 3 and annular washer 4 are surrounded on the periphery of centring magnet 1 and center washer 2 respectively and arrange certain distance, and form magnetic gap, the end of voice coil loudspeaker voice coil 9 is suspended in magnetic gap.When the coil of voice coil loudspeaker voice coil 9 receives the signal of telecommunication that size and Orientation do not wait, voice coil loudspeaker voice coil 9 can do the motion of the reciprocating cutting magnetic line of force in magnetic gap, drives vibrating diaphragm 6 fixing with it to vibrate.
As Fig. 3 and Fig. 4 jointly shown in, the plate-like structure that magnetic conductive board 10 extends for horizontal direction, magnetic circuit system is fixed on the upper surface of magnetic conductive board 10, and tiling is arranged, magnetic circuit system is exposed to outside completely, under the prerequisite that Microspeaker Total Product size is certain, realizes magnetic circuit and maximizes.
As shown in Figure 4, support housing 5 is provided with between annular washer 4 and vibrating diaphragm 6, in order to support vibrating diaphragm.Support housing 5 is metal structure, comprises four sidewalls 51.During enforcement, support housing 5 can adopt copper or soft iron material to make, through punching press or cold-heading process one-body molded, the support housing 5 of this metal structure is more convenient for ironed.Magnetic conductive board 10, magnetic circuit system, support housing 5 and vibrational system stacking setting from bottom to top.
By technique scheme, the support housing of metal structure is set, is beneficial to ironed on the one hand, meets the demand of product slimming; The unified location between each parts of Microspeaker, superposition assembling can be realized on the other hand, simplify assembly technology.In addition, magnetic circuit system is fixed on the surface of flat magnetic conductive board 10, can realize magnetic circuit volume maximization, enhance product performance.
Preferably, the ring portion 62 that vibrating diaphragm 6 comprises pars intermedia 61 and arranges around pars intermedia 61, the periphery in ring portion 62 is provided with joint portion 63, and the sidewall 51 of the corresponding support housing 5 in joint portion 63 bonds fixing.
Preferably, the upside of vibrating diaphragm pars intermedia 61 is combined with reinforcement part 7, arranges centring disk 8 between vibrating diaphragm 6 and reinforcement part 7, for the location of voice coil loudspeaker voice coil 9, prevents voice coil loudspeaker voice coil 9 from vibration processes, polarization occurring.Centring disk 8 comprise the inner support portion 81 in inner side, the outer support portion 82 in outside and between inner support portion 81 and outer support portion 82 around arrange flexible support arm 83.The centre position of the side, inner support portion about 81 of centring disk 8 is provided with internal pads 84, is electrically connected with the lead-in wire of voice coil loudspeaker voice coil 9; Centring disk 8 also comprises the protuberance 85 extending to loud speaker outside from outer support portion 82, protuberance 85 is provided with external pads 86, external pads 86 is electrically connected with loud speaker external circuit, the signal of telecommunication of external circuit can be received, and the voice coil loudspeaker voice coil 9 be electrically connected with internal pads 84 is passed to by centring disk 8, make voice coil loudspeaker voice coil 9 produce displacement under the effect of electromagnetic field, drive diaphragm oscillations.
Preferably, the bight of centring disk 8 is provided with location hole 87, the correspondence position of support housing 5 arranges reference column 52, support housing 5 and centring disk 8 are by reference column 52 and location hole 87 positioning combination, because vibrating diaphragm 6 is between support housing 5 and centring disk 8, in order to complete the assembly of support housing 5 and centring disk 8 smoothly, the bight correspondence of vibrating diaphragm 6 arranges the avoiding structure 64 of dodging reference column 52 and location hole 87.The ring portion 62 of vibrating diaphragm 6 is to lower recess, and interior outer ledge is fixed with the inner support portion 81 of centring disk 8 and outer support portion 82 respectively.
Preferably, the body 41 that annular washer 4 comprises annular hollow structure and the extension 42 outwards extended in parallel from the bight of body 41, the sidewall 51 of the corresponding support housing 5 of extension 42 bonds fixing.
Preferably, vibrating diaphragm 6 forms the rear operatic tunes near the space of magnetic circuit system side, and the bight of annular washer body 41 is provided with perforate 43, the passage AA ' that speaks of the operatic tunes after being formed, stack Microspeaker of the present utility model is operationally spoken more smooth and easy, increase the loudness of product.The position of the corresponding perforate 43 of annular magnet 3 is provided with dodges unfilled corner 31, dodges perforate 43, when vibrating diaphragm 6 vibrates, sound wave can pass through AA ' and be delivered to product outside, thus instigate air sounding, transform electrical signals is acoustical signal the most at last, completes the conversion between electroacoustic.
Preferably, above the outer support portion 82 of centring disk 8, be covered with protecgulum 11, protecgulum 11 offer through hole 111 as passage of speaking.
When assembling stack Microspeaker of the present utility model, vibrating diaphragm 6, centring disk 8 and reinforcement part 7 bonding can be fixed as vibrating diaphragm assembly; At the upper surface gluing of magnetic conductive board 10, be fixed on flat magnetic conductive board 10 by center magnetic path with around magnetic circuit, be bonded as magnetic circuit assembly; Vibrating diaphragm assembly, support housing 5, voice coil loudspeaker voice coil 9 bond from top to bottom with magnetic circuit assembly and are fixed as stack Microspeaker monomer of the present utility model.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (10)
1. a stack Microspeaker, comprises magnetic circuit system and vibrational system; Described magnetic circuit system comprises center magnetic path and around magnetic circuit; Described center magnetic path comprises centring magnet and center washer; Describedly comprise annular magnet and annular washer around magnetic circuit; Described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, it is characterized in that: described magnetic circuit system is fixed on the upper surface of magnetic conductive board; Described magnetic conductive board is plate-like structure; Support housing is provided with between described annular washer and described vibrating diaphragm; The metal structure that described support housing is formed in one, comprises four sidewalls; The stacking setting from bottom to top of described magnetic conductive board, described magnetic circuit system, described support housing and described vibrational system.
2. stack Microspeaker according to claim 1, is characterized in that: described magnetic conductive board is the structure that horizontal direction extends; Described magnetic circuit system is arranged in the upper surface tiling of described magnetic conductive board.
3. stack Microspeaker according to claim 1, is characterized in that: described support housing is made up of copper or soft iron material, through punching press or cold-heading one-body molded.
4. stack Microspeaker according to claim 1, is characterized in that: the ring portion that described vibrating diaphragm comprises pars intermedia and arranges around described pars intermedia; The periphery in described ring portion is provided with joint portion; The sidewall bonding of the corresponding described support housing in described joint portion is fixing.
5. stack Microspeaker according to claim 4, is characterized in that: the upside of described vibrating diaphragm pars intermedia is combined with reinforcement part; Between described vibrating diaphragm and described reinforcement part, centring disk is set; Described centring disk comprise the inner support portion in inner side, the outer support portion in outside and between described inner support portion and described outer support portion around arrange flexible support arm; The centre position of side, left and right, described inner support portion is provided with internal pads, is electrically connected with the lead-in wire of described voice coil loudspeaker voice coil; Described centring disk also comprises the protuberance extending to loud speaker outside from described outer support portion; Described protuberance is provided with external pads, is electrically connected with loud speaker external circuit.
6. stack Microspeaker according to claim 5, it is characterized in that: the bight of described centring disk is provided with location hole, the position of the corresponding described location hole of described support housing is provided with reference column, the sidewall of the corresponding described support housing in outer support portion of described centring disk is fixed, and the correspondence position of described vibrating diaphragm joint portion is provided with avoiding structure; Described ring portion is to lower recess, and interior outer ledge is fixed with described inner support portion and described outer support portion respectively; Described voice coil loudspeaker voice coil is bonded in the downside of described vibrating diaphragm pars intermedia.
7. stack Microspeaker according to claim 1, is characterized in that: the body that described annular washer comprises annular hollow structure and the extension outwards extended in parallel from the bight of described body; The sidewall bonding of the corresponding described support housing of described extension is fixing.
8. stack Microspeaker according to claim 1, is characterized in that: described vibrating diaphragm forms the rear operatic tunes near the space of described magnetic circuit system side; The bight of described annular washer body is provided with perforate, forms the passage of speaking of the described rear operatic tunes; The position of the corresponding described perforate of described annular magnet is provided with dodges unfilled corner, dodges described perforate.
9. stack Microspeaker according to claim 5, is characterized in that: be covered with protecgulum above the outer support portion of described centring disk; Described protecgulum offers through hole as passage of speaking.
10. stack Microspeaker according to claim 1, is characterized in that: be describedly arranged at the periphery of described center magnetic path around magnetic circuit and be that certain distance is arranged with described center magnetic path, forms magnetic gap; The end of described voice coil loudspeaker voice coil is suspended in described magnetic gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088018.1U CN204442665U (en) | 2015-02-06 | 2015-02-06 | Stack Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088018.1U CN204442665U (en) | 2015-02-06 | 2015-02-06 | Stack Microspeaker |
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| CN204442665U true CN204442665U (en) | 2015-07-01 |
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|---|---|---|---|
| CN201520088018.1U Active CN204442665U (en) | 2015-02-06 | 2015-02-06 | Stack Microspeaker |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162470A (en) * | 2016-08-31 | 2016-11-23 | 歌尔股份有限公司 | A kind of coil-moving speaker |
| CN106231513A (en) * | 2016-08-31 | 2016-12-14 | 歌尔股份有限公司 | A kind of coil-moving speaker |
| CN107277718A (en) * | 2017-07-28 | 2017-10-20 | 常州市润蒙声学科技有限公司 | Loudspeaker |
| WO2018039883A1 (en) * | 2016-08-29 | 2018-03-08 | Harman International Industries, Incorporated | Suspension arm used in speaker |
| CN109246561A (en) * | 2018-09-21 | 2019-01-18 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN109982222A (en) * | 2019-05-16 | 2019-07-05 | 国光电器股份有限公司 | A kind of micro-telephone receiver |
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| WO2019205710A1 (en) * | 2018-04-27 | 2019-10-31 | 歌尔股份有限公司 | Sound producing device |
| WO2019205714A1 (en) * | 2018-04-28 | 2019-10-31 | 歌尔股份有限公司 | Sound-emitting apparatus |
| CN112770242A (en) * | 2020-12-25 | 2021-05-07 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| CN117939373A (en) * | 2024-03-25 | 2024-04-26 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
-
2015
- 2015-02-06 CN CN201520088018.1U patent/CN204442665U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018039883A1 (en) * | 2016-08-29 | 2018-03-08 | Harman International Industries, Incorporated | Suspension arm used in speaker |
| CN109906618A (en) * | 2016-08-29 | 2019-06-18 | 哈曼国际工业有限公司 | For the suspension link in loudspeaker |
| CN106231513A (en) * | 2016-08-31 | 2016-12-14 | 歌尔股份有限公司 | A kind of coil-moving speaker |
| CN106162470B (en) * | 2016-08-31 | 2023-11-07 | 歌尔股份有限公司 | Moving-coil loudspeaker |
| CN106162470A (en) * | 2016-08-31 | 2016-11-23 | 歌尔股份有限公司 | A kind of coil-moving speaker |
| CN107277718A (en) * | 2017-07-28 | 2017-10-20 | 常州市润蒙声学科技有限公司 | Loudspeaker |
| WO2019205710A1 (en) * | 2018-04-27 | 2019-10-31 | 歌尔股份有限公司 | Sound producing device |
| WO2019205714A1 (en) * | 2018-04-28 | 2019-10-31 | 歌尔股份有限公司 | Sound-emitting apparatus |
| CN109246561A (en) * | 2018-09-21 | 2019-01-18 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| CN109982222A (en) * | 2019-05-16 | 2019-07-05 | 国光电器股份有限公司 | A kind of micro-telephone receiver |
| CN109982222B (en) * | 2019-05-16 | 2024-02-06 | 国光电器股份有限公司 | Miniature telephone receiver |
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| CN112770242A (en) * | 2020-12-25 | 2021-05-07 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| CN117939373A (en) * | 2024-03-25 | 2024-04-26 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| 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. |