CN202050537U - Sounder - Google Patents

Sounder Download PDF

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Publication number
CN202050537U
CN202050537U CN2011201152982U CN201120115298U CN202050537U CN 202050537 U CN202050537 U CN 202050537U CN 2011201152982 U CN2011201152982 U CN 2011201152982U CN 201120115298 U CN201120115298 U CN 201120115298U CN 202050537 U CN202050537 U CN 202050537U
Authority
CN
China
Prior art keywords
frame
breach
magnet steel
magnetic circuit
sidewall
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
CN2011201152982U
Other languages
Chinese (zh)
Inventor
江文涛
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 Holdings Shenzhen Co Ltd
AAC Technologies Holdings Changzhou Co Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Acoustic Technologies 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 Acoustic Technologies Changzhou Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Priority to CN2011201152982U priority Critical patent/CN202050537U/en
Application granted granted Critical
Publication of CN202050537U publication Critical patent/CN202050537U/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 magnetic circuit system, a vibrating system with a diaphragm and a frame which is used for holding the magnetic circuit system and the vibrating system. The magnetic circuit system is provided with magnetic steel and a magnetic frame which is used for holding the magnetic steel. The magnetic frame is provided with a frame bottom and a frame wall which vertically extends from the opposite side of the frame bottom. First notches are arranged on the two sides of the frame wall. The frame is provided with side walls and a holding chamber which is formed by the side walls and is used for holding the magnetic circuit system and the vibrating system. A second notch is arranged between adjacent side walls. The first notches are communicated with the second notches. Baffles which are abutted with the frame wall extend from the side walls to the collecting chamber. The sounder provided by the utility model can improve the positioning accuracy of the magnetic frame and the frame.

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.
[background technology]
Be miniaturization, the multifunction development that adapts to various stereo sets and information communication device, employed acoustical generator is in requisition for being tending towards miniaturization more in this kind equipment, and it is compact more with cooperating of described other elements of acoustical generator periphery, particularly along with the lightening growth requirement of mobile phone, wherein employed acoustical generator, not only require miniaturization, more require high pitch materialization and stereo etc.
The basin frame that the acoustical generator relevant with the utility model comprises magnetic circuit system, vibrational system and accommodate described magnetic circuit system and vibrational system, described magnetic circuit system comprises main magnet steel, place the secondary magnet steel on main magnet steel both sides, accommodate the magnet frame of main magnet steel and secondary magnet steel, and described magnet frame is provided with at the bottom of the frame and vertically extending frame wall at the bottom of frame; Described basin has set up sidewall, and adjacent wall is provided with first breach, and magnet frame is provided with second breach that constitutes leakage path with first breach.Because the increase of secondary magnet steel is positioned at the frame wall cancellation on the major axis limit of magnet frame, so magnet frame and basin frame be difficult to fix, and causes the location of magnetic circuit system and basin frame inaccurate, makes that the concentricity of magnetic circuit system and voice coil loudspeaker voice coil is bad and then influence acoustical behavior.
Therefore, be necessary to provide a kind of novel acoustical generator.
[utility model content]
The purpose of this utility model is that the magnet frame and the basin frame that solve said structure locate inexact deficiency, and a kind of acoustical generator that can improve the accuracy of magnet frame and basin frame location is provided.
The technical solution of the utility model is as follows: a kind of acoustical generator, it comprises magnetic circuit system, the basin frame that is provided with the vibrational system of vibrating diaphragm and accommodates described magnetic circuit system and vibrational system, the magnet frame that described magnetic circuit system is provided with magnet steel and accommodates described magnet steel, described magnet frame is provided with the vertically extending frame wall of relative edge at the bottom of the frame and at the bottom of frame, the both sides of described frame wall are provided with first breach, the host cavity of accommodating described magnetic circuit system and vibrational system that described basin sets up sidewall and surrounded by sidewall, be provided with second breach between adjacent sidewall, described first breach communicates with second breach, extends the plate washer that is provided with butt frame wall to host cavity from sidewall.
Preferably, the secondary magnet steel of dual-side that described magnet steel comprises main magnet steel and places the major axis of main magnet steel is respectively equipped with the main pole core and the consequent pole core of magnetic conduction on described main magnet steel and the secondary magnet steel.
Preferably, described frame wall is positioned at the dual-side of the minor axis of magnet frame.
Preferably, be provided with the fixed part that extends at the bottom of away from frame from the dual-side of major axis at the bottom of the described frame, described second sidewall is provided with the resettlement section of accommodating described fixed part.
Preferably, be provided with the 3rd breach at the bottom of the described frame, described the 3rd breach communicates with described first breach and second breach.
The beneficial effects of the utility model are: owing to be provided with the plate washer of butt frame wall to the host cavity vertical extent from the sidewall of basin frame, described plate washer is positioned at the both sides of frame wall, make magnet frame and basin frame location accurately, and then make magnetic circuit system and basin frame precise positioning more, thereby guarantee the concentricity between voice coil loudspeaker voice coil and the magnetic circuit system, improve rate of finished products.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of the utility model acoustical generator;
Fig. 2 is the stereogram of the utility model acoustical generator;
Fig. 3 is the cutaway view along the II-II line shown in Figure 2.
[embodiment]
The utility model is described in further detail below in conjunction with drawings and embodiments.
As depicted in figs. 1 and 2, be the utility model one embodiment acoustical generator, this acoustical generator comprises magnetic circuit system, vibrational system, accommodates the basin frame 40 of described magnetic circuit system and vibrational system and the loam cake 10 that connects with basin frame 40 lids.
The voice coil loudspeaker voice coil 22 that described vibrational system is provided with vibrating diaphragm 21 and is connected with vibrating diaphragm 21, described vibrating diaphragm 21 comprise ball top 210 and the ring portion 211 that centers on 210 peripheries, described ball top.
In the lump with reference to Fig. 3, the magnet frame 31 that described magnetic circuit system is provided with magnet steel 32 and accommodates described magnet steel 32, the secondary magnet steel 321 that described magnet steel 32 is provided with the main magnet steel 320 that is positioned at magnet frame 31 middle parts and places main magnet steel 320 both sides, secondary magnet steel 321 is placed on the dual-side of the major axis of main magnet steel 320, be provided with magnetic gap between main magnet steel 320 and the secondary magnet steel 321, described voice coil loudspeaker voice coil 22 is suspended in the magnetic gap, in the utility model, be respectively equipped with the main pole core 330 and consequent pole core 331 of magnetic conduction on main magnet steel 320 and the secondary magnet steel 321; Described magnet frame 31 be provided with at the bottom of the frame 310 and at the bottom of frame 310 the vertically extending frame wall 311 of relative edge, described frame wall 311 is positioned at the dual-side of the minor axis of magnet frame 31, the both sides of described frame wall 311 are provided with first breach 313, are provided with the 3rd breach 314 that communicates with first breach 313 at the bottom of the described frame.
Described basin frame 40 is provided with sidewall 42 and reaches by sidewall around the host cavity of accommodating magnetic circuit system and vibrational system 410 that forms.Described sidewall 42 comprises the first side wall 421 of dual-side of the minor axis that is positioned at sidewall 42 and second sidewall 422 of dual-side that is positioned at the major axis of sidewall 42, be provided with second breach 420 between the first side wall 421 and second sidewall 422, described first breach 313, second breach 420 and the 3rd breach 314 communicate, common formation leakage path is to reach the purpose of balance acoustic pressure.
In the utility model acoustical generator, be provided with the plate washer 430 of butt frame wall 311 to host cavity 410 vertical extent from sidewall 42, described plate washer 430 is positioned at the both sides of frame wall 311, plate washer 430 and the first side wall 421 actings in conjunction, frame wall 311 is positioned, thereby make magnet frame 31 and basin frame 40 compare precise positioning.310 are provided with from the dual-side of 310 major axis at the bottom of the frame 310 fixed part 312, the second sidewalls 422 that extend at the bottom of away from frame and are provided with the resettlement section 423 of accommodating described fixed part 312 at the bottom of the described frame, thereby make magnet frame 31 more firm with basin frame 40 location.
In above-mentioned utility model acoustical generator, because the first side wall 421 from basin frame 40 extends the plate washer 430 that is provided with butt frame wall 311 to host cavity 410, make magnet frame 31 accurate with basin frame 40 location, and then make magnetic circuit system and basin frame 40 precise positioning more, thereby guarantee the concentricity between voice coil loudspeaker voice coil 22 and the magnetic circuit system, improve rate of finished products.
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 (5)

1. acoustical generator, it comprises magnetic circuit system, the basin frame that is provided with the vibrational system of vibrating diaphragm and accommodates described magnetic circuit system and vibrational system, the magnet frame that described magnetic circuit system is provided with magnet steel and accommodates described magnet steel, described magnet frame is provided with the vertically extending frame wall of relative edge at the bottom of the frame and at the bottom of frame, the both sides of described frame wall are provided with first breach, the host cavity of accommodating described magnetic circuit system and vibrational system that described basin sets up sidewall and surrounded by sidewall, be provided with second breach between adjacent sidewall, described first breach communicates with second breach, it is characterized in that: extend the plate washer that is provided with butt frame wall to host cavity from sidewall.
2. acoustical generator according to claim 1 is characterized in that: the secondary magnet steel of dual-side that described magnet steel comprises main magnet steel and places the major axis of main magnet steel is respectively equipped with the main pole core and the consequent pole core of magnetic conduction on described main magnet steel and the secondary magnet steel.
3. acoustical generator according to claim 2 is characterized in that: described frame wall is positioned at the dual-side of the minor axis of magnet frame.
4. acoustical generator according to claim 3 is characterized in that: be provided with the fixed part that extends at the bottom of away from frame from the dual-side of major axis at the bottom of the described frame, described second sidewall is provided with the resettlement section of accommodating described fixed part.
5. according to claim 1 or 4 described acoustical generators, it is characterized in that: be provided with the 3rd breach at the bottom of the described frame, described the 3rd breach communicates with described first breach and second breach.
CN2011201152982U 2011-04-19 2011-04-19 Sounder Expired - Lifetime CN202050537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201152982U CN202050537U (en) 2011-04-19 2011-04-19 Sounder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201152982U CN202050537U (en) 2011-04-19 2011-04-19 Sounder

Publications (1)

Publication Number Publication Date
CN202050537U true CN202050537U (en) 2011-11-23

Family

ID=44990827

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201152982U Expired - Lifetime CN202050537U (en) 2011-04-19 2011-04-19 Sounder

Country Status (1)

Country Link
CN (1) CN202050537U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102711021A (en) * 2012-01-06 2012-10-03 瑞声声学科技(深圳)有限公司 Miniature sounding device
WO2018205440A1 (en) * 2017-05-08 2018-11-15 歌尔股份有限公司 Miniature sound generator
CN111641906A (en) * 2020-06-24 2020-09-08 瑞声科技(新加坡)有限公司 Sound production device
CN112165676A (en) * 2020-10-22 2021-01-01 瑞声新能源发展(常州)有限公司科教城分公司 Sound production monomer and speaker

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102711021A (en) * 2012-01-06 2012-10-03 瑞声声学科技(深圳)有限公司 Miniature sounding device
WO2018205440A1 (en) * 2017-05-08 2018-11-15 歌尔股份有限公司 Miniature sound generator
CN111641906A (en) * 2020-06-24 2020-09-08 瑞声科技(新加坡)有限公司 Sound production device
CN112165676A (en) * 2020-10-22 2021-01-01 瑞声新能源发展(常州)有限公司科教城分公司 Sound production monomer and speaker

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C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20111123