CN202799105U - Sounder - Google Patents

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Publication number
CN202799105U
CN202799105U CN 201220014945 CN201220014945U CN202799105U CN 202799105 U CN202799105 U CN 202799105U CN 201220014945 CN201220014945 CN 201220014945 CN 201220014945 U CN201220014945 U CN 201220014945U CN 202799105 U CN202799105 U CN 202799105U
Authority
CN
China
Prior art keywords
voice coil
fixed
acoustical generator
shell fragment
vibrating diaphragm
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.)
Expired - Lifetime
Application number
CN 201220014945
Other languages
Chinese (zh)
Inventor
邵益
宋威
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Optoelectronic Changzhou Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Optoelectronic Changzhou Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Priority to CN 201220014945 priority Critical patent/CN202799105U/en
Application granted granted Critical
Publication of CN202799105U publication Critical patent/CN202799105U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a sounder, which comprises a vibration system, a magnetic circuit system, and a frame accommodating the vibration system and the magnetic circuit system, wherein the vibration system comprises a vibrating diaphragm and a voice coil deposited below the vibrating diaphragm. The vibrating diaphragm comprises a ball top part and a folding ring part around the periphery of the ball top part. The sounder is further provided with a plurality of open elastic pieces. The elastic piece comprises a connecting arm, a first fixing part and a second fixing part, wherein the first fixing part and the second fixing part extend from two ends of the connecting arm respectively, the first fixing part is fixed on the voice coil, and the second fixing part is fixed on the frame. The sounder provided by the utility model can improve the performance of products.

Description

Acoustical generator
[technical field]
The utility model relates to a kind of acoustical generator, relates in particular to a kind of ultrathin acoustical generator structure.
[background technology]
Be miniaturization, the multifunction development that adapts to various stereo sets and information communication device, employed acoustical generator is in requisition for more being tending towards miniaturization in this kind equipment, and compacter with cooperating of described other elements of acoustical generator periphery, particularly along with the lightening growth requirement of mobile phone, employed acoustical generator wherein, not only require miniaturization, more require high pitch materialization and stereo etc.
The acoustical generator relevant with the utility model comprises magnetic circuit system and vibrational system, described vibrational system comprises vibrating diaphragm, the voice coil loudspeaker voice coil that links to each other with vibrating diaphragm and the shell fragment that is connected with described voice coil loudspeaker voice coil, and described shell fragment comprises the described voice coil loudspeaker voice coil of encirclement and is immobilizated in the annular body section of voice coil loudspeaker voice coil, the linking arm that is fixed on the fixed part on the basin frame and connects described body and fixed part.The body of the shell fragment of this kind structure is arranged in the magnetic gap of vibrational system, if the space of magnetic gap is inadequate, shell fragment just can't be placed into, thereby affects the performance of product.
Therefore, be necessary to provide a kind of novel acoustical generator to solve the problems referred to above.
[utility model content]
The technical problem that the utility model need solve is to provide a kind of acoustical generator that can enhance product performance.
The utility model is achieved through the following technical solutions:
A kind of acoustical generator, its involving vibrations system, magnetic circuit system and the basin frame of accommodating described vibrational system and magnetic circuit system, the voice coil loudspeaker voice coil assembly that described vibrational system comprises vibrating diaphragm and is positioned at the vibrating diaphragm below, described vibrating diaphragm comprises ball top and the ring section that centers on described ball top periphery, described acoustical generator also is provided with some inc shell fragments, described shell fragment comprises linking arm and respectively extended the first fixed part and the second fixed part from described linking arm two ends, described the first fixed part is fixed on the voice coil loudspeaker voice coil assembly, and described the second fixed part is fixed on the basin frame.
Preferably, described shell fragment is four, and lays respectively at the edge of described basin frame.
Preferably, described basin has set up protuberance, and the second fixed part of described shell fragment is provided with the through hole corresponding with described protuberance, and described protuberance is placed in the described through hole.
Preferably, the linking arm of described shell fragment is provided with the kink that protrudes described linking arm surface.
Preferably, the ring section of described vibrating diaphragm is provided with recessed annular groove to magnetic circuit system.
Preferably, described voice coil loudspeaker voice coil assembly comprises and is fixed on the speech coil framework on the vibrating diaphragm and is wrapped in voice coil loudspeaker voice coil on the described speech coil framework.
The beneficial effects of the utility model are: because the shell fragment of acoustical generator of the present utility model has four, and lay respectively at the edge of basin frame, and shell fragment is not closed, can be used for some specific occasions, solve because the problem that shell fragment can't be placed not in the magnetic circuit system space, and shell fragment is divided into four weight that can also reduce shell fragment, thereby improves the performance of product.
[description of drawings]
Fig. 1 is the stereogram of the utility model acoustical generator;
Fig. 2 is that Fig. 1 is along the profile of A-A line;
Fig. 3 is the three-dimensional exploded view of the utility model acoustical generator;
Fig. 4 is the assembly drawing of shell fragment, voice coil loudspeaker voice coil and the basin frame of the utility model acoustical generator.
[embodiment]
The utility model is described in further detail below in conjunction with drawings and embodiments.
Acoustical generator 100 as shown in Figure 1, it comprises magnetic circuit system, vibrational system, is used for accommodating the basin frame 41 of vibrational system and magnetic circuit system and the loam cake 11 that connects with basin frame 41 lids.
In the lump with reference to Fig. 2 and shown in Figure 3, described magnetic circuit system comprises magnet frame 31, place first magnet steel 321 in magnet frame 31 centre positions, place the first magnet steel 321 upper surfaces the first pole piece 331, be positioned at the first magnet steel 321 both sides and produce the second magnet steel 322 of magnetic gap and the second pole piece 332 that places the second magnet steel 322 upper surfaces with the first magnet steel 321.
Vibrational system comprises vibrating diaphragm 21, be immobilizated on the vibrating diaphragm 21 and be arranged in the voice coil loudspeaker voice coil assembly 22 of magnetic gap; Vibrating diaphragm 21 comprises ball top 212 and centers on the ring section 211 of ball top 212 peripheries that ring section 211 is provided with recessed annular groove 2110 to magnetic circuit system, can reduce like this height of acoustical generator 100, is beneficial to the ultrathin development of acoustical generator 100.
In the lump with reference to shown in Figure 4, acoustical generator 100 also is provided with four inc shell fragments 23 that are positioned at the edge of basin frame 41, shell fragment 23 comprises linking arm 233 and from linking arm 233 extended the first fixed part 231 and the second fixed parts 232, the first fixed part 231 is fixed on the voice coil loudspeaker voice coil assembly 22, and the second fixed part 232 is fixed on the basin frame 41.Because shell fragment 23 has four, and not closed, such shell fragment 23 can be used for some specific occasions, solves because the problem that shell fragment 23 can't be placed not in the magnetic circuit system space, and shell fragment 23 is divided into four weight that can also reduce shell fragment 23, thereby improves the performance of product.Wherein, the first fixed part 231 of shell fragment 23 is fixed on lateral wall (not indicating) or the lower surface 220 of voice coil loudspeaker voice coil assembly 22.In the present embodiment, described voice coil loudspeaker voice coil assembly 22 is for to be formed by the conductive copper wire coiling.In other embodiments, voice coil loudspeaker voice coil assembly 22 also can be the combination that is fixed on the speech coil framework on the vibrating diaphragm and is wrapped in the voice coil loudspeaker voice coil on the described speech coil framework, and the first fixed part 231 of shell fragment 23 is fixed on the lateral wall of voice coil loudspeaker voice coil or is positioned at the below of voice coil loudspeaker voice coil.In order to strengthen the fixing of basin frame 41 and shell fragment 23, basin frame 41 also is provided with protuberance 410, and the first fixed part 232 of shell fragment 23 is provided with the through hole 2320 corresponding with protuberance 410, and protuberance 410 is placed in the through hole 2320.In addition, the linking arm 233 of shell fragment 23 can also be provided with the kink (not shown) that protrudes linking arm 233 surfaces, and kink (not shown) is wavy, and wavy like this kink (not shown) can increase the elasticity of linking arm 233.
Above-described only is execution mode of the present utility model; should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; can also make improvement, but these all belong to protection range of the present utility model.

Claims (6)

1. acoustical generator, its involving vibrations system, magnetic circuit system and the basin frame of accommodating described vibrational system and magnetic circuit system, the voice coil loudspeaker voice coil assembly that described vibrational system comprises vibrating diaphragm and is positioned at the vibrating diaphragm below, described vibrating diaphragm comprises ball top and the ring section that centers on described ball top periphery, it is characterized in that: described acoustical generator also is provided with some inc shell fragments, described shell fragment comprises linking arm and respectively extended the first fixed part and the second fixed part from described linking arm two ends, described the first fixed part is fixed on the voice coil loudspeaker voice coil assembly, and described the second fixed part is fixed on the basin frame.
2. acoustical generator according to claim 1, it is characterized in that: described shell fragment is four, and lays respectively at the edge of described basin frame.
3. acoustical generator according to claim 2, it is characterized in that: described basin has set up protuberance, and the second fixed part of described shell fragment is provided with the through hole corresponding with described protuberance, and described protuberance is placed in the described through hole.
4. acoustical generator according to claim 2 is characterized in that: the linking arm of described shell fragment is provided with the kink that protrudes described linking arm surface.
5. acoustical generator according to claim 1, it is characterized in that: the ring section of described vibrating diaphragm is provided with recessed annular groove to magnetic circuit system.
6. acoustical generator according to claim 1 is characterized in that: described voice coil loudspeaker voice coil assembly comprises and is fixed on the speech coil framework on the vibrating diaphragm and is wrapped in voice coil loudspeaker voice coil on the described speech coil framework.
CN 201220014945 2012-01-13 2012-01-13 Sounder Expired - Lifetime CN202799105U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220014945 CN202799105U (en) 2012-01-13 2012-01-13 Sounder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220014945 CN202799105U (en) 2012-01-13 2012-01-13 Sounder

Publications (1)

Publication Number Publication Date
CN202799105U true CN202799105U (en) 2013-03-13

Family

ID=47826271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220014945 Expired - Lifetime CN202799105U (en) 2012-01-13 2012-01-13 Sounder

Country Status (1)

Country Link
CN (1) CN202799105U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108337611A (en) * 2018-01-04 2018-07-27 瑞声科技(新加坡)有限公司 Microphone device
CN110099341A (en) * 2019-05-10 2019-08-06 瑞声声学科技(深圳)有限公司 Loudspeaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108337611A (en) * 2018-01-04 2018-07-27 瑞声科技(新加坡)有限公司 Microphone device
CN110099341A (en) * 2019-05-10 2019-08-06 瑞声声学科技(深圳)有限公司 Loudspeaker
CN110099341B (en) * 2019-05-10 2021-07-09 瑞声声学科技(深圳)有限公司 Loudspeaker

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170510

Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8

Co-patentee after: AAC Optoelectronic (Changzhou) Co., Ltd.

Patentee after: AAC Technologies (Singapore) Co., Ltd.

Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167

Co-patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd.

Patentee before: AAC Optoelectronic (Changzhou) Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20181109

Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8

Patentee after: AAC Technologies (Singapore) Co., Ltd.

Address before: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8

Co-patentee before: AAC Optoelectronic (Changzhou) Co., Ltd.

Patentee before: AAC Technologies (Singapore) Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130313