CN202496059U - Loudspeaker - Google Patents

Loudspeaker Download PDF

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Publication number
CN202496059U
CN202496059U CN2012200014208U CN201220001420U CN202496059U CN 202496059 U CN202496059 U CN 202496059U CN 2012200014208 U CN2012200014208 U CN 2012200014208U CN 201220001420 U CN201220001420 U CN 201220001420U CN 202496059 U CN202496059 U CN 202496059U
Authority
CN
China
Prior art keywords
voice coil
magnet steel
basin frame
magnetic bowl
magnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2012200014208U
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Chinese (zh)
Inventor
邵益
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
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 CN2012200014208U priority Critical patent/CN202496059U/en
Application granted granted Critical
Publication of CN202496059U publication Critical patent/CN202496059U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a loudspeaker which comprises a frame, a magnetic circuit system accommodated in the frame and a vibration system fixed to the frame. The vibration system comprises a vibration diaphragm whose periphery is fixed to the frame and a voice coil for driving the vibration diaphragm to vibrate. The voice coil comprises a voice coil framework and a voice coil winding fixed to the voice coil framework. The voice coil framework comprises a body part for fixing the voice coil winding and a spring sheet part which extends outward from two short edges of the body part along the long axis direction to form at least two positioning voice coils. The spring sheet part and the body part are integrated together and are fixed to the frame. With the structure of the integration of the voice coil framework with the spring sheet, the voice coil framework and the spring sheet are not separated, at the same time the process of bonding the voice coil framework and the spring sheet is reduced, thus the stability of the vibration system is improved.

Description

Loud speaker
[technical field]
The utility model relates to a kind of electroacoustic transducer, relates in particular in a kind of electroacoustic transducer the loud speaker that the signal of telecommunication is converted into voice signal.
[background technology]
Along with the fast development of wireless telecommunications, Global Mobile Phone is more and more, and people are not limited only to basic conversation to the requirement of mobile phone, more requires the face shaping of traditional mobile phone is proposed more requirements.Especially the arrival in 3G epoch, mobile multimedia technology be development thereupon also, and a lot of mobile phones have multiple amusement function, and like video playback, digital vedio recording, recreation, GPS navigation etc., this requires mobile phone screen increasing, so that better visual experience.
Loud speaker glues together shell fragment, still in order to obtain better sounding performance on voice coil loudspeaker voice coil now; Loud speaker is when work, and voice coil loudspeaker voice coil can produce heat, and the heat of generation makes the glue of bonding shell fragment and voice coil loudspeaker voice coil softening easily; Cause shell fragment to separate with voice coil loudspeaker voice coil; Thereby have a strong impact on the quality of loud speaker, simultaneously, also many shell fragments glue together this procedure with speech coil framework.
Therefore, be necessary a kind of new loud speaker to be provided to above-mentioned shortcoming.
[utility model content]
The purpose of the utility model is to solve the heat that above-mentioned loud speaker produces because of voice coil loudspeaker voice coil softens the glue of bonding shell fragment and voice coil loudspeaker voice coil; Cause shell fragment to separate with voice coil loudspeaker voice coil; Thereby have a strong impact on the quality of loud speaker; Simultaneously also many shell fragments glue together the deficiency of this procedure with speech coil framework, and a kind of loud speaker is provided.
A kind of loud speaker; Comprise the basin frame; Be contained in magnetic circuit system and the vibrational system that is immobilizated in the basin frame in the basin frame; Said vibrational system comprises that periphery is immobilizated in the vibrating diaphragm and the voice coil loudspeaker voice coil that drives said vibrating diaphragm vibration of basin frame; Said voice coil loudspeaker voice coil comprises speech coil framework and the voice coil loudspeaker voice coil coiling that is immobilizated in said speech coil framework, and said speech coil framework comprises the body of fixedly voice coil loudspeaker voice coil coiling and outwards derive along long axis direction from two short end of body and extend at least two shell fragment portions of locating voice coil loudspeaker voice coils that said shell fragment portion and body are one and are immobilizated in the basin frame.
Preferably, said magnetic circuit system comprises that the magnetic bowl that is contained in the basin frame, assembly are in the main magnet steel and the secondary magnet steel of magnetic bowl and be attached at said main magnet steel respectively and the main pole core and the consequent pole core on secondary magnet steel surface.
Preferably, said magnetic bowl comprises the magnetic bowl sidewall of the vertical magnetic bowl diapire that turnup forms that makes progress magnetic bowl diapire and two short end from said magnetic bowl diapire, said magnetic bowl sidewall butt basin frame.
Preferably; Said main magnet steel is positioned at magnetic bowl diapire central authorities, and said secondary magnet steel is positioned at edge, the long limit of magnet steel diapire, and said secondary magnet steel is provided with about main magnet steel symmetry and interval; Gap between said secondary magnet steel and the main magnet steel is a magnetic gap, and said voice coil loudspeaker voice coil one end is suspended in this magnetic gap.
Preferably, said body is closed racetrack, and said shell fragment portion is provided with the fixed part away from body, and said fixed part is provided with at least one fixing hole.
Preferably, said basin frame comprise the broadside sidewall and with the long side wall of broadside sidewall vertical connection, said broadside sidewall is provided with boss, said boss is provided with the fixed leg with the fixing hole coupling, said fixed part is immobilizated in this boss.
Preferably, said body comprises over against the top edge of vibrating diaphragm and the lower limb relative with said top edge, and said shell fragment portion derives from the short end of the short end of said top edge or said lower limb and extends.
The beneficial effect of the utility model is: the incorporate structure of this speech coil framework and shell fragment, and speech coil framework can not separated with shell fragment, reduced the operation of shell fragment and speech coil framework gummed simultaneously, improved the stability of vibrational system.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of the utility model loud speaker first embodiment;
Fig. 2 is the cutaway view of embodiment among Fig. 1;
Fig. 3 is the stereogram that embodiment lacks the magnetic bowl among Fig. 1;
Fig. 4 is the voice coil loudspeaker voice coil stereogram of embodiment among Fig. 1;
Fig. 5 is the stereogram that the utility model loud speaker second embodiment hides vibrational system;
Fig. 6 is the voice coil loudspeaker voice coil stereogram of embodiment among Fig. 5.
[embodiment]
Below in conjunction with accompanying drawing and execution mode the utility model is described further.
As depicted in figs. 1 and 2, the utility model provides a kind of loud speaker 1, comprises basin frame 10, is contained in magnetic circuit system 11 in the basin frame 10, is immobilizated in the vibrational system 12 of basin frame 10, the weld tabs 14 that is immobilizated in the protecgulum 13 of basin frame 10 tops and is embedded at basin frame 10.Said magnetic circuit system 11 comprises that the magnetic bowl 15 that is contained in the basin frame 10, assembly are in the main magnet steel 16 and the secondary magnet steel 17 of magnetic bowl 15 and be attached at said main magnet steel 16 respectively and the main pole core 18 and the consequent pole core 19 on secondary magnet steel 17 surfaces.Said vibrational system 12 comprises that periphery is immobilizated in the vibrating diaphragm 20 and the voice coil loudspeaker voice coil 21 that drives said vibrating diaphragm 20 vibrations of basin frame 10.Said weld tabs 14 quantity are four, are embedded at four corners of basin frame 10 respectively, are used to weld protecgulum 13.
As shown in Figure 1, said magnetic bowl 15 comprises the magnetic bowl sidewall 152 of the vertical magnetic bowl diapire 151 that turnup forms that makes progress magnetic bowl diapire 151 and two short end from said magnetic bowl diapire 151, said magnetic bowl sidewall 152 butt basin framves 10.Combine shown in Figure 3 again; Said main magnet steel 16 is positioned at magnetic bowl diapire 151 central authorities; Said secondary magnet steel 17 is positioned at edge, magnet steel diapire 151 long limit; Said secondary magnet steel 17 is about main magnet steel 16 symmetries and setting at interval, and the gap between said secondary magnet steel 17 and the main magnet steel 16 is a magnetic gap, and said voice coil loudspeaker voice coil 21 1 ends are suspended in this magnetic gap.
Like Fig. 1, Fig. 3 and shown in Figure 4, said voice coil loudspeaker voice coil 21 comprises speech coil framework 211 and the voice coil loudspeaker voice coil coiling 212 that is immobilizated in said speech coil framework 211.Said speech coil framework 211 comprises the body 213 of fixing voice coil loudspeaker voice coil coiling 212 and outwards derives along long axis direction from two short end of body 213 and extend the shell fragment portions 214 of at least two location voice coil loudspeaker voice coils 21, and said shell fragment portion 214 and body 213 are for one and be immobilizated in basin frame 10.Said body 213 is closed racetrack, the fixed part 2141 that said shell fragment portion 214 is provided with away from body 213, and said fixed part 2141 is provided with at least one fixing hole 2142.Said basin frame 10 comprise broadside sidewall 101 and with the long side wall 102 of broadside sidewall 101 vertical connections.Said broadside sidewall 101 is provided with boss 103, and said boss 103 is provided with the fixed leg 1031 with fixing hole 2142 couplings.Said fixed part 2141 is immobilizated in this boss 103, this fixed leg 1031 increased temperature to make it to dissolve then, thus fixing this fixed part 2141, and then make voice coil loudspeaker voice coil 21 be fixed in basin frame 10.
Like Fig. 1 and shown in Figure 4, said body 213 comprises over against the top edge 2131 of vibrating diaphragm 20 and the lower limb 2132 relative with said top edge 2131, and said shell fragment portion 214 derives from the short end of said lower limb 2132 and extends.
Like Fig. 1 and shown in Figure 6, said body 213 comprises over against the top edge 2131 of vibrating diaphragm 20 and the lower limb 2132 relative with said top edge 2131, and said shell fragment portion 214 derives from the short end of said top edge 2131 and extends.Combine Fig. 5 to know again; In Fig. 5, hidden the vibrational system above the basin frame 10, the fixed part 2141 that has disclosed voice coil loudspeaker voice coil shell fragment portion 214 is provided with fixing hole 2142, and said fixed part 2141 is fixed on the boss 103; Fixing hole 2142 cooperates with fixed leg 1031; This fixed leg 1031 increased temperature make it to dissolve, thus fixing this fixed part 2141, and then make voice coil loudspeaker voice coil 21 be fixed in basin frame 10.
Can know in conjunction with Fig. 4 and Fig. 6; Said shell fragment portion 214 derives from the short end of the short end of said top edge 2131 or lower limb 2132 and extends the preferred implementation for this programme; The utility model comprises but this dual mode only not only, and said shell fragment portion 214 also maybe be simultaneously extends with lower limb 2132 from the top edge 2131 of this body 213 simultaneously.In addition, at the embodiment that the utility model provides, said shell fragment portion 214 is closed, and the utility model comprises but be not limited to the shell fragment portion 214 of closed, also can be non-closed.
This incorporate speech coil framework 211 structures make body 213 can not separate with shell fragment portion 214, have reduced the operation of shell fragment portion 214 with body 213 gummeds simultaneously, have improved the stability of vibrational system 12.Said speech coil framework 211 can adopt electric conducting material to make; So not only can play the effect of location voice coil loudspeaker voice coil 21; And can play electric action; Be about to voice coil leads (not indicating) and be electrically connected on speech coil framework 211, combine Fig. 1 to know again, utilize speech coil framework 211 and the conducting strip (not indicating) that is embedded in the basin frame 10 to electrically conduct.When said speech coil framework 211 adopts non-conducting material, only be used to locate voice coil loudspeaker voice coil 21.
Above-described only is the preferred embodiments of the 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 the protection range of the utility model.

Claims (7)

1. loud speaker; Comprise the basin frame; Be contained in magnetic circuit system and the vibrational system that is immobilizated in the basin frame in the basin frame; Said vibrational system comprises that periphery is immobilizated in the vibrating diaphragm and the voice coil loudspeaker voice coil that drives said vibrating diaphragm vibration of basin frame; It is characterized in that: said voice coil loudspeaker voice coil comprises speech coil framework and the voice coil loudspeaker voice coil coiling that is immobilizated in said speech coil framework, and said speech coil framework comprises the body of fixedly voice coil loudspeaker voice coil coiling and outwards derive along long axis direction from two short end of body and extend at least two shell fragment portions of locating voice coil loudspeaker voice coils that said shell fragment portion and body are one and are immobilizated in the basin frame.
2. loud speaker according to claim 1 is characterized in that: said magnetic circuit system comprises that the magnetic bowl that is contained in the basin frame, assembly are in the main magnet steel and the secondary magnet steel of magnetic bowl and be attached at said main magnet steel respectively and the main pole core and the consequent pole core on secondary magnet steel surface.
3. loud speaker according to claim 2 is characterized in that: said magnetic bowl comprises the magnetic bowl sidewall of the vertical magnetic bowl diapire that turnup forms that makes progress magnetic bowl diapire and two short end from said magnetic bowl diapire, said magnetic bowl sidewall butt basin frame.
4. loud speaker according to claim 3; It is characterized in that: said main magnet steel is positioned at magnetic bowl diapire central authorities; Said secondary magnet steel is positioned at edge, the long limit of magnet steel diapire; Said secondary magnet steel is about main magnet steel symmetry and setting at interval, and the gap between said secondary magnet steel and the main magnet steel is a magnetic gap, and said voice coil loudspeaker voice coil one end is suspended in this magnetic gap.
5. according to claim 1 or 4 any described loud speakers, it is characterized in that: said body is closed racetrack, and said shell fragment portion is provided with the fixed part away from body, and said fixed part is provided with at least one fixing hole.
6. loud speaker according to claim 5; It is characterized in that: said basin frame comprise the broadside sidewall and with the long side wall of broadside sidewall vertical connection; Said broadside sidewall is provided with boss, and said boss is provided with the fixed leg with the fixing hole coupling, and said fixed part is immobilizated in this boss.
7. loud speaker according to claim 6 is characterized in that: said body comprises over against the top edge of vibrating diaphragm and the lower limb relative with said top edge, and said shell fragment portion derives from the short end of the short end of said top edge or said lower limb and extends.
CN2012200014208U 2012-01-04 2012-01-04 Loudspeaker Active CN202496059U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200014208U CN202496059U (en) 2012-01-04 2012-01-04 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200014208U CN202496059U (en) 2012-01-04 2012-01-04 Loudspeaker

Publications (1)

Publication Number Publication Date
CN202496059U true CN202496059U (en) 2012-10-17

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ID=47002269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200014208U Active CN202496059U (en) 2012-01-04 2012-01-04 Loudspeaker

Country Status (1)

Country Link
CN (1) CN202496059U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103297882A (en) * 2013-06-29 2013-09-11 歌尔声学股份有限公司 Loudspeaker module
CN108235194A (en) * 2018-01-04 2018-06-29 瑞声科技(新加坡)有限公司 Microphone device and its installation method
CN111131979A (en) * 2019-12-13 2020-05-08 瑞声科技(新加坡)有限公司 Sound production device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103297882A (en) * 2013-06-29 2013-09-11 歌尔声学股份有限公司 Loudspeaker module
CN103297882B (en) * 2013-06-29 2017-08-18 歌尔股份有限公司 Loudspeaker module
CN108235194A (en) * 2018-01-04 2018-06-29 瑞声科技(新加坡)有限公司 Microphone device and its installation method
CN111131979A (en) * 2019-12-13 2020-05-08 瑞声科技(新加坡)有限公司 Sound production device

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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: 20170509

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: 20181108

Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore

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.