CN103581807A - Moving coil type loudspeaker - Google Patents

Moving coil type loudspeaker Download PDF

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Publication number
CN103581807A
CN103581807A CN201310530136.9A CN201310530136A CN103581807A CN 103581807 A CN103581807 A CN 103581807A CN 201310530136 A CN201310530136 A CN 201310530136A CN 103581807 A CN103581807 A CN 103581807A
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China
Prior art keywords
voice coil
annular magnet
support
iron
vibrating diaphragm
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Granted
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CN201310530136.9A
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Chinese (zh)
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CN103581807B (en
Inventor
洪家冬
徐凌志
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Shenzhen Horn Audio Co Ltd
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Shenzhen Horn Audio Co Ltd
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Priority to CN201310530136.9A priority Critical patent/CN103581807B/en
Publication of CN103581807A publication Critical patent/CN103581807A/en
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Publication of CN103581807B publication Critical patent/CN103581807B/en
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Abstract

The invention provides a moving coil type loudspeaker. The moving coil type loudspeaker comprises a protective cover, a voice diaphragm assembly, a magnetic flux assembly and a piece of tuning paper. The protective cover is provided with a bearing platform. The voice diaphragm assembly comprises a vibrating diaphragm and a hollow voice coil, wherein the vibrating diaphragm is arranged on the bearing platform, and the voice coil is arranged on the vibrating diaphragm. The magnetic flux assembly comprises a hollow support, a hollow washer, a hollow annular magnet, a piece of T iron and a PCB, wherein the support is embedded into the protective cover, the edge of the support abuts against the periphery of the vibrating diaphragm, a rubber ring is arranged in a gap between the support and the protective cover, the annular magnet is arranged on the support through the washer, the support and the washer are integrated, the T iron is embedded into the annular magnet, the voice coil is located in a gap between the annular magnet and the T iron, the washer, the annular magnet and the T iron form a magnetic circuit, and the PCB is arranged at the end, away from the annular magnet, of the T iron. The tuning paper is arranged between the PCB and the T iron.

Description

Coil-moving speaker
Technical field
The present invention relates to loud speaker field, relate in particular to a kind of coil-moving speaker.
Background technology
It is the electro-acoustic transducer device of application electric principle for coil-moving speaker, while passing through alternating current in the coil of loud speaker, (loud speaker has by magnet coil cutting magnetic line, magnetic conductive board, the permanent magnetic field that conducting magnetic column etc. form), coil will produce motion, and the direction of motion and size change according to the direction of input signal and size.Coil movement, just drive vibrophone, and vibrophone will compress or stretching air, thus conduct acoustic waves.
Coil-moving speaker is in updating, and decades, loud speaker development history, was exactly loudspeaker design, technique, and the history that material is updated, is also the history that performance grows with each passing hour.The structure of current loud speaker is comparatively complicated, and production efficiency is lower.
Summary of the invention
Based on this, be necessary to provide a kind of simple in structure, coil-moving speaker that production efficiency is high.
Its technical scheme is that a kind of coil-moving speaker, comprising:
Protecting cover, is provided with carrying platform;
Sound membrane module, comprises the voice coil loudspeaker voice coil of vibrating diaphragm, hollow, and described vibrating diaphragm is arranged on described carrying platform, and described voice coil loudspeaker voice coil is arranged on described vibrating diaphragm;
Magnetic flux assembly, the support that comprises hollow, the washer of hollow, the annular magnet of hollow, T iron, pcb board, described support embeds described protecting cover, and the edge of described support and the periphery of described vibrating diaphragm offset, the gap of described support and described protecting cover is provided with cushion rubber, described annular magnet is arranged on described support by washer, described support and described washer are integrated, described T iron is embedded in annular magnet, described voice coil loudspeaker voice coil is arranged in the gap of described annular magnet and T iron, described washer, annular magnet, T iron forms magnetic circuit, pcb board is arranged on T iron away from one end of described annular magnet,
Adjustable sound paper, described adjustable sound paper is arranged between described pcb board and described T iron.
Therein in an embodiment, being centered close on same axis of described voice coil loudspeaker voice coil, annular magnet, support, T iron.
Therein in an embodiment, comprise that one is dull and stereotyped and around the sidewall of dull and stereotyped surrounding, described flat board and sidewall form the accommodation space of an end opening, and described carrying platform is arranged on opening part one end of the described accommodation space of described sidewall.
In an embodiment, described sidewall is to opening part step-like that size increases gradually by the bottom of accommodation space therein, and described carrying platform is located at size maximum.
In an embodiment, the flat board of described protecting cover is offered at least one sender therein.
In an embodiment, it is concordant with described support that described protecting cover is used for taking in sound membrane module end therein, makes described magnetic flux assembly can be exposed to outside.
In an embodiment, described vibrating diaphragm comprises diaphragm and around diaphragm periphery around, described voice coil loudspeaker voice coil is located on described diaphragm therein, and the edge of described periphery and described support offsets.
In an embodiment, on described vibrating diaphragm, apply glue-line therein, described voice coil loudspeaker voice coil can be bonded on described vibrating diaphragm by described glue-line.
Therein in an embodiment, described T iron comprises installation portion and is arranged on the stem stem on described installation portion, described stem stem is housed in described annular magnet and is fitted on described installation portion, described installation portion is provided with several salient points, on described pcb board, offer the mating holes corresponding to described salient point, described pcb board was arranged on described installation portion by described salient point and coordinating of mating holes.
In an embodiment, on described installation portion, apply tack coat with the contact-making surface of described annular magnet therein, described installation portion can rely on described tack coat to be combined with described annular magnetic ironware.
Above-mentioned coil-moving speaker, described support and described washer are integrated, and integrated support and washer can save coordinating installation, simplifying the structure of product of support washer.Cushion rubber is located between support and protecting cover, avoids the glue of cushion rubber to flow on vibrating diaphragm and causes reducing the bad of curve and tonequality.Meanwhile, cushion rubber is set between support and protecting cover and can realizes machinery operation, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the coil-moving speaker described in an embodiment;
Fig. 2 is the profile of the coil-moving speaker described in an embodiment;
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the coil-moving speaker described in an embodiment.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provided better embodiment of the present invention.But the present invention can realize in many different forms, be not limited to execution mode described herein.On the contrary, providing the object of these execution modes is make the disclosure of the present invention understand more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, can directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not represent it is unique execution mode.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in specification of the present invention herein, just in order to describe the object of concrete execution mode, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the coil-moving speaker 10 providing in one embodiment comprises protecting cover 100, sound membrane module 300, magnetic flux assembly 500, adjustable sound paper 700.
Protecting cover 100 is provided with carrying platform 170.Concrete, comprise one dull and stereotyped 110 and around the sidewall 130 of dull and stereotyped 110 surroundings.Flat board 110 and sidewall 130 form the accommodation space 150 of end openings.Carrying platform 170 is set near opening part at sidewall 130 in receiving space.In the illustrated embodiment, the outward appearance of protecting cover 100 is turriform, by the bottom of accommodation space 150, to opening part, is step-like that size increases gradually, at the step of size maximum, is carrying platform 170.On dull and stereotyped 110, offer at least one sender 190.
Sound membrane module 300 comprises vibrating diaphragm 310 and voice coil loudspeaker voice coil 330.It is laminar that vibrating diaphragm 310 is substantially, and vibrating diaphragm 310 comprises diaphragm 311 and around diaphragm 311 periphery 313 around.Described diaphragm 311 is placed on described carrying platform 170.The scope of the outside dimension of described vibrating diaphragm 310 is at 4.8mm to 5.2mm.Voice coil loudspeaker voice coil 330 is the ring bodies of hollow.Described voice coil loudspeaker voice coil 330 is arranged on described diaphragm 311, and the axis of voice coil loudspeaker voice coil 330 is perpendicular to vibrating diaphragm 310.Voice coil loudspeaker voice coil 330 is roughly positioned at the central area of vibrating diaphragm 310.In other embodiments, the place that can contact with voice coil loudspeaker voice coil 330 on described vibrating diaphragm 310 applies glue-line, and described voice coil loudspeaker voice coil 330 can be bonded on described vibrating diaphragm 310 by described glue-line.
Magnetic flux assembly 500 comprises support 510, washer 530, annular magnet 550, T iron 570, pcb board 580.Support 510 is hollow form.Described support 510 embeds described protecting cover 100, and the periphery 313 of the edge of described support 510 and described vibrating diaphragm 310 offsets.Annular magnet 550 is hollow columnar, and described annular magnet 550 is arranged on washer 530, and described T iron 570 is embedded in annular magnet 550, and meanwhile, the axis of washer 530, annular magnet 550, T iron 570 overlaps.That is, the external diameter of T iron 570 is less than the internal diameter of annular magnet 550, and with the gap forming between described T iron 570 and described annular magnet 550, described washer 530, annular magnet 550, T iron 570 form magnetic circuit.Described support 510 is integrated with described washer 530, and integrated support 510 and washer 530 can save the structure that coordinates installation, simplification product of support 510 washers 530.
Between described protecting cover 100 and described support 510, be provided with cushion rubber, the gap of 510, protecting cover 100 and described support described in described rubber sealing.In other embodiments, cushion rubber can adopt in the gap between protecting cover 100, support 510 and fill sealing, and then baking forms.The sidewall 130 of described protecting cover 100 is concordant with the bottom of described support 510 away from dull and stereotyped 110 end face.Concordant protecting cover 100 and support 510, can directly adopt machine to carry out the formation of cushion rubber, if for example will adopt liquid glue to carry out sealing, is convenient to the filling of sealing, saves manual work, can realize the continuous productive process of machine.Also avoid glue to flow on vibrating diaphragm 310 and cause reducing the bad of curve and tonequality.Concordant protecting cover 100 makes magnetic flux assembly 500 whole externally exposed with support 510, convenient disassembly, and the spare part after dismounting can re-use.
Described T iron 570 comprises installation portion 571 and is arranged on the stem stem 573 on described installation portion 571.Stem stem 573 is hollow form, and installation portion 571 is perpendicular with the axis of stem stem 573.Described stem stem 573 is housed in described annular magnet 550, and is fitted on described installation portion 571.Described installation portion 571 is provided with several salient points 575, offers the mating holes 581 to described salient point 575 correspondences on described pcb board 580.Described pcb board was arranged on described installation portion 571 by described salient point 575 and coordinating of mating holes 581.On described installation portion 571, apply tack coat with the contact-making surface of described annular magnet 550, described installation portion 571 can rely on described tack coat to be combined with described annular magnet 550.
Adjustable sound paper 700, described adjustable sound paper 700 is arranged between described pcb board and described T iron 570.
Assemble method below in conjunction with coil-moving speaker is described further it.
First, assembling sound membrane module 300.Concrete, vibrating diaphragm 310 is placed on for assembling the tool of vibrating diaphragm 310 and voice coil loudspeaker voice coil 330.Glue is played in central area at vibrating diaphragm 310, and the contact area of beating glue area and vibrating diaphragm 310 and voice coil loudspeaker voice coil 330 is suitable.Voice coil loudspeaker voice coil 330 is pressed together on and is beaten on glue region, then toast with solidified glue, make to be fixedly connected with between voice coil loudspeaker voice coil 330 and vibrating diaphragm 310.
Secondly, assembling magnetic circuit assembly.Concrete, support 510 is placed on for assembling the tool of magnetic circuit assembly.In support 510 glue coated so that annular magnet 550 is arranged on support 510.Then annular magnet 550 need to T iron 570 phase-contact surface glue coated, T iron 570 is arranged in annular magnet 550, then pcb board is arranged on the salient point 575 of T iron 570.
Finally, assembling sound membrane module 300 and magnetic circuit assembly.Sound membrane module 300 is put in protecting cover 100, and vibrating diaphragm 310 contacts with carrying platform 170.Then support 510 is embedded in protecting cover 100, support 510 and vibrating diaphragm 310 are offseted.Filling with sealant water between the gap of support 510 and protecting cover 100.Baking-curing, support 510 is connected fastening with protecting cover 100.
With specific embodiment, be described further below.
Refer to Fig. 1, coil-moving speaker comprises protecting cover 100, sound membrane module 300, magnetic circuit assembly 500, adjustable sound paper 700.Wherein, the outward appearance of protecting cover 100 is turriform, comprises dull and stereotyped 110 and around the sidewall 130 of dull and stereotyped 110 surroundings.Flat board 110 and sidewall 130 form the accommodation space 150 of end openings.Bottom by accommodation space 150 is to opening part step-like that size increases gradually, at the step of size maximum, is carrying platform 170.On dull and stereotyped 110, offer a sender 190.
Sound membrane module 300 comprises vibrating diaphragm 310 and voice coil loudspeaker voice coil 330.Vibrating diaphragm 310 is laminar.Vibrating diaphragm 310 comprises diaphragm 311 and around diaphragm 311 periphery 313 around.Described vibrating diaphragm 310 is placed on carrying platform 170.The axis of the voice coil loudspeaker voice coil 330 of hollow and annular is perpendicular to vibrating diaphragm 310.Voice coil loudspeaker voice coil 330 is positioned at the central area of vibrating diaphragm 310.The place contacting with voice coil loudspeaker voice coil 330 on vibrating diaphragm 310 applies glue-line, and described voice coil loudspeaker voice coil 330 is bonded on described vibrating diaphragm 310 by described glue-line.
Magnetic circuit assembly 500 comprises support 510, washer 530, annular magnet 550, T iron 570, pcb board.The support 510 of hollow form embeds in protecting cover 100, and the periphery 313 of the edge of support 510 and vibrating diaphragm 310 offsets.The annular magnet 550 of hollow columnar is arranged on washer 530, and T iron 570 is embedded in annular magnet 550.The axis of washer 530, annular magnet 550, T iron 570 overlaps.The gap that protecting cover 100 and described support are 510 is rubber sealing.Support 510 is one-body molded with washer 530.
Stem stem 573 hollows of T iron 570, installation portion 571 is perpendicular with the axis of stem stem 573.Stem stem 573 is housed in described annular magnet 550, and is fitted on installation portion 571.Described installation portion 571 is provided with several salient points 575.Pcb board was arranged on installation portion 571 by salient point 575 and coordinating of mating holes 581.On installation portion 571, apply tack coat with the contact-making surface of annular magnet 550, described installation portion 571 can rely on described tack coat to be combined with described annular magnet 550.Adjustable sound paper 700, described adjustable sound paper 700 is arranged between described pcb board and described T iron 570.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (10)

1. a coil-moving speaker, is characterized in that, comprising:
Protecting cover, is provided with carrying platform;
Sound membrane module, comprises the voice coil loudspeaker voice coil of vibrating diaphragm, hollow, and described vibrating diaphragm is arranged on described carrying platform, and described voice coil loudspeaker voice coil is arranged on described vibrating diaphragm;
Magnetic flux assembly, the support that comprises hollow, the washer of hollow, the annular magnet of hollow, T iron, pcb board, described support embeds described protecting cover, and the edge of described support and the periphery of described vibrating diaphragm offset, the gap of described support and described protecting cover is provided with cushion rubber, described annular magnet is arranged on described support by washer, described support and described washer are integrated, described T iron is embedded in annular magnet, described voice coil loudspeaker voice coil is arranged in the gap of described annular magnet and T iron, described washer, annular magnet, T iron forms magnetic circuit, described pcb board is arranged on T iron away from one end of described annular magnet,
Adjustable sound paper, described adjustable sound paper is arranged between described pcb board and described T iron.
2. coil-moving speaker as claimed in claim 1, is characterized in that, being centered close on same axis of described voice coil loudspeaker voice coil, annular magnet, support, T iron.
3. coil-moving speaker as claimed in claim 1, it is characterized in that, comprise that one is dull and stereotyped and around the sidewall of dull and stereotyped surrounding, described flat board and sidewall form the accommodation space of an end opening, and described carrying platform is arranged on opening part one end of the described accommodation space of described sidewall.
4. coil-moving speaker as claimed in claim 3, is characterized in that, described sidewall is to opening part step-like that size increases gradually by the bottom of accommodation space, and described carrying platform is located at size maximum.
5. coil-moving speaker as claimed in claim 3, is characterized in that, the flat board of described protecting cover is offered at least one sender.
6. coil-moving speaker as claimed in claim 1, is characterized in that, it is concordant with described support that described protecting cover is used for taking in sound membrane module end, makes described magnetic flux assembly can be exposed to outside.
7. coil-moving speaker as claimed in claim 1, is characterized in that, described vibrating diaphragm comprises diaphragm and around diaphragm periphery around, described voice coil loudspeaker voice coil is located on described diaphragm, and the edge of described periphery and described support offsets.
8. coil-moving speaker as claimed in claim 1, is characterized in that, on described vibrating diaphragm, applies glue-line, and described voice coil loudspeaker voice coil can be bonded on described vibrating diaphragm by described glue-line.
9. coil-moving speaker as claimed in claim 1, it is characterized in that, described T iron comprises installation portion and is arranged on the stem stem on described installation portion, described stem stem is housed in described annular magnet and is fitted on described installation portion, described installation portion is provided with several salient points, on described pcb board, offer the mating holes corresponding to described salient point, described pcb board was arranged on described installation portion by described salient point and coordinating of mating holes.
10. coil-moving speaker as claimed in claim 8, is characterized in that, on described installation portion, applies tack coat with the contact-making surface of described annular magnet, and described installation portion can rely on described tack coat to be combined with described annular magnetic ironware.
CN201310530136.9A 2013-10-30 2013-10-30 Coil-moving speaker Active CN103581807B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957491A (en) * 2014-04-25 2014-07-30 中山市天键电声有限公司 Earphone loudspeaker structure
CN104010244A (en) * 2014-06-25 2014-08-27 朝阳聚声泰（信丰）科技有限公司 In-ear telephone receiver
CN105992110A (en) * 2016-05-05 2016-10-05 歌尔股份有限公司 Sound generating device and sound generating device module group
WO2018006544A1 (en) * 2016-07-04 2018-01-11 中兴通讯股份有限公司 Loudspeaker and wearable device
CN108366323A (en) * 2017-04-21 2018-08-03 朝阳聚声泰（信丰）科技有限公司 Seal type loudspeaker
CN109716789A (en) * 2016-09-02 2019-05-03 东京音响株式会社 Electroacoustic transducer
CN110933571A (en) * 2019-12-13 2020-03-27 歌尔股份有限公司 Sound production device and electronic equipment
CN111770420A (en) * 2020-08-28 2020-10-13 歌尔光学科技有限公司 Wearable sound production mechanism, neck area earphone and wear display device
CN113596682A (en) * 2021-08-05 2021-11-02 高邮市华声电子有限公司 Novel waterproof moving coil type receiver with high protection level

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Publication number Priority date Publication date Assignee Title
US20060254852A1 (en) * 2005-05-11 2006-11-16 Yen-Shan Chen Integral audio module
CN201450589U (en) * 2009-06-06 2010-05-05 陈建标 Loudspeaker
CN201590894U (en) * 2010-01-04 2010-09-22 东莞市石排乐音电子厂 Miniature loudspeaker
CN202907173U (en) * 2012-11-15 2013-04-24 深圳市盛泰兴业科技有限公司 Frequency-reducing horn capable of being mounted quickly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060254852A1 (en) * 2005-05-11 2006-11-16 Yen-Shan Chen Integral audio module
CN201450589U (en) * 2009-06-06 2010-05-05 陈建标 Loudspeaker
CN201590894U (en) * 2010-01-04 2010-09-22 东莞市石排乐音电子厂 Miniature loudspeaker
CN202907173U (en) * 2012-11-15 2013-04-24 深圳市盛泰兴业科技有限公司 Frequency-reducing horn capable of being mounted quickly

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957491A (en) * 2014-04-25 2014-07-30 中山市天键电声有限公司 Earphone loudspeaker structure
CN104010244A (en) * 2014-06-25 2014-08-27 朝阳聚声泰（信丰）科技有限公司 In-ear telephone receiver
CN105992110A (en) * 2016-05-05 2016-10-05 歌尔股份有限公司 Sound generating device and sound generating device module group
WO2018006544A1 (en) * 2016-07-04 2018-01-11 中兴通讯股份有限公司 Loudspeaker and wearable device
CN109716789A (en) * 2016-09-02 2019-05-03 东京音响株式会社 Electroacoustic transducer
CN108366323A (en) * 2017-04-21 2018-08-03 朝阳聚声泰（信丰）科技有限公司 Seal type loudspeaker
CN110933571A (en) * 2019-12-13 2020-03-27 歌尔股份有限公司 Sound production device and electronic equipment
CN111770420A (en) * 2020-08-28 2020-10-13 歌尔光学科技有限公司 Wearable sound production mechanism, neck area earphone and wear display device
CN111770420B (en) * 2020-08-28 2020-12-04 歌尔光学科技有限公司 Wearable sound production mechanism, neck area earphone and wear display device
CN113596682A (en) * 2021-08-05 2021-11-02 高邮市华声电子有限公司 Novel waterproof moving coil type receiver with high protection level

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