CN201663684U - Speaker - Google Patents
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- Publication number
- CN201663684U CN201663684U CN200920261212XU CN200920261212U CN201663684U CN 201663684 U CN201663684 U CN 201663684U CN 200920261212X U CN200920261212X U CN 200920261212XU CN 200920261212 U CN200920261212 U CN 200920261212U CN 201663684 U CN201663684 U CN 201663684U
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- CN
- China
- Prior art keywords
- voice coil
- loud speaker
- centring disk
- coil loudspeaker
- loudspeaker voice
- 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
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Abstract
The utility model provides a speaker, which comprises a magnetic circuit, a voice coil and a centering disk. The magnetic circuit comprises a magnetic gap. The voice coil comprises a voice coil outgoing line. The centering disk comprises an electric conduction circuit formed on the surface thereof. One end of the voice coil is accommodated in the magnetic gap, and other end thereof is fixed at the centering disk. The voice coil outgoing line is correspondingly and electrically connected with the electric conduction circuit of the centering disk. The voice coil and the centering disk of the speaker of the utility model are correspondingly in electric connection through the voice coil outgoing line and the electric conduction circuit, so the voice coil can be electrically connected with a drive circuit board of an outside speaker through the voice coil outgoing line and the electric conduction circuit of the centering disk, the speaker has compact overall structure, reasonably utilizes the space, is beneficial to realizing the light and thin miniaturization development of the speaker, has convenient overall manufacturing technology and assembly technology, and effectively solves the problem of current limit.
Description
Technical field
The utility model relates to a kind of loud speaker.
Background technology
Be miniaturization, the multifunction development adapt to various stereo sets and information communication device, in this kind equipment employed loud speaker in requisition for being tending towards miniaturization more, and compact more with cooperating of described other elements of loud speaker periphery.Particularly along with the lightening growth requirement of mobile phone, wherein employed loud speaker not only requires miniaturization, more requires high pitch materialization and stereo etc.
For adapting to above-mentioned development trend, industry has employing to reduce the mode of component size or minimizing component number to reach described purpose.A kind of loud speaker relevant with the utility model as shown in Figure 1, this loud speaker 1 comprises a support 11, a magnetic circuit system 13, a voice coil loudspeaker voice coil 15 and a vibrational system 17.Described support 11 cooperates described vibrational system 17 to surround a receiving space, in order to accommodate described magnetic circuit system 13 and described voice coil loudspeaker voice coil 15.
Described support 11 supports described magnetic circuit system 13 and described vibrational system 17.
Described magnetic circuit system 13 is contained in the described support 11, and by described support 11 support fixation.Described magnetic circuit system 13 comprises a ring-type magnetic gap 131.
Described voice coil loudspeaker voice coil 15 comprises a voice coil loudspeaker voice coil lead-out wire 151.One end of described voice coil loudspeaker voice coil 15 is the magnetic gaps 131 that movably are embedded in described magnetic circuit system 13, and it can move along the vertical direction with respect to described magnetic gap 131.The other end of described voice coil loudspeaker voice coil 15 then is adhesively fixed in described vibrational system 17 by adhesive, and with described vibrational system 17 synchronous vibrations.Described voice coil loudspeaker voice coil lead-out wire 151 is conductor wires, and it realizes that described voice coil loudspeaker voice coil 15 is electrically connected mutually with the drive circuit board (figure does not show) of described loud speaker 1.
Described vibrational system 17 is parts of a formation loud speaker 1 sound generation source.
When described loud speaker 1 was worked, it was received from the electroacoustic signal of described drive circuit board, and transfers to described voice coil loudspeaker voice coil 15 via described voice coil loudspeaker voice coil lead-out wire 151.The 15 corresponding inductions of described voice coil loudspeaker voice coil produce a magnetic field, and interaction force takes place in its magnetic field with described magnetic gap 131, orders about described voice coil loudspeaker voice coil 15 and moves back and forth along the vertical direction, drive described vibrational system 17 corresponding generation sound and are sent by loud speaker 1.
In above-mentioned loud speaker 1, still there is following defective in it:
At first, described vibrational system 17 is separate element with described voice coil loudspeaker voice coil lead-out wire 151 each other, because when described vibrational system 17 is vibrated, need certain oscillation space, described voice coil loudspeaker voice coil lead-out wire 151 moves with described voice coil loudspeaker voice coil 15 and needs oscillation space equally simultaneously, so described loud speaker 1 inside needs adequate space to satisfy the vibrations of described vibrational system 17 and voice coil loudspeaker voice coil lead-out wire 151.Yet this kind structure is unfavorable for realizing the frivolous miniaturization development trend of described loud speaker 1 integral body.
Secondly, because described vibrational system 17 is the elements that are mutually independent with voice coil loudspeaker voice coil lead-out wire 151, so to whole loud speaker 1 generally speaking, its element is too much, complicated integral structure, manufacture craft are also more numerous and diverse.
In addition, because self diameter of described voice coil loudspeaker voice coil lead-out wire 151 is thinner, be to increase loud speaker 1 power, then need to increase the circuit diameter of lead-out wire 151, like this then can increase the gap width of described magnetic gap 131, then directly cause power decline thus on the contrary.
At the above-mentioned loud speaker 1 overall structure technical problem of numerous, the structure of compactness, frivolous miniaturization inadequately, element and manufacturing process complexity and power limited inadequately, the utility model proposes following solution.
The utility model content
At the prior art loud speaker overall structure technical problem of compactness, frivolous miniaturization inadequately, structure and manufacturing process complexity and power limited inadequately, provide a kind of compact overall structure, more frivolous miniaturization, structure and manufacturing process simply and high-power loud speaker real in necessary.
A kind of loud speaker, it comprises a magnetic circuit system, a voice coil loudspeaker voice coil and a centring disk, described magnetic circuit system comprises a magnetic gap, described voice coil loudspeaker voice coil comprises a voice coil loudspeaker voice coil lead-out wire, described centring disk comprises that one is formed at its surperficial conducting wire, described voice coil loudspeaker voice coil one end is contained in the described magnetic gap, and its other end is fixed in described centring disk, the corresponding electrical connection with the conducting wire of described centring disk of described voice coil loudspeaker voice coil lead-out wire.
As the further improvement of above-mentioned loud speaker, described conducting wire is the coat of metal that is formed on described centring disk surface by electroplating technology.
As the further improvement of above-mentioned loud speaker, described voice coil loudspeaker voice coil and described centring disk are the integrative-structure setting.
As the further improvement of above-mentioned loud speaker, described centring disk surface also is provided with a plurality of solder joints, and described voice coil loudspeaker voice coil and described centring disk weld together in described bond pad locations.
As the further improvement of above-mentioned loud speaker, described centring disk is a hollow annular structure.
As the further improvement of above-mentioned loud speaker, described loud speaker also comprises ball top, the corresponding hollow region that is arranged on described centring disk in described ball top.
As the further improvement of above-mentioned loud speaker, described ball top is corresponding bonding with described centring disk inside edge.
As the further improvement of above-mentioned loud speaker, described loud speaker also comprises a vibrating diaphragm, and described vibrating diaphragm and described centring disk are folded to be established, and the outer ledge of described vibrating diaphragm is corresponding bonding with the outer ledge of described centring disk.
Further improvement as above-mentioned loud speaker, described loud speaker also comprises a ball top and a vibrating diaphragm, described voice coil loudspeaker voice coil one end is fixed in described centring disk surface, and described ball top, described vibrating diaphragm and described voice coil loudspeaker voice coil support by described centring disk and the fixing one that forms.
As the further improvement of above-mentioned loud speaker, described loud speaker also comprises the framework of a tool receiving space, and described magnetic circuit system is contained in the lower part of described receiving space, and described vibrational system partly is contained in the top of described receiving space.
Compared to prior art, the corresponding electrical connection of the voice coil loudspeaker voice coil of loud speaker of the present utility model with described centring disk, make described voice coil loudspeaker voice coil realize being electrically connected with extraneous loudspeaker driving circuit plate by the conducting wire on described voice coil loudspeaker voice coil lead-out wire and described centring disk surface, satisfy the electroacoustic signal transmission, avoid drawing separately the voice coil loudspeaker voice coil lead-out wire to extraneous drive circuit board, saved the space that the voice coil loudspeaker voice coil lead-out wire is occupied, make whole loud speaker overall structure compact more, rationally utilize the space, help realizing the frivolous miniaturization development of loud speaker.Simultaneously, simplify the structure, make that whole manufacturing process and packaging technology are convenient.The more important thing is that described voice coil loudspeaker voice coil lead-out wire can be realized signal of telecommunication transmission by centring disk, effectively solves the problem of current limited, making the loud speaker overall power improve becomes possibility.
Description of drawings
Fig. 1 is a kind of side decomposition texture schematic diagram of the loud speaker relevant with the utility model.
Fig. 2 is the perspective exploded view of the utility model loud speaker one better embodiment.
Fig. 3 is the side sectional view after the loud speaker assembling shown in Figure 2.
Fig. 4 is another angle schematic perspective view of centring disk shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing loadspeaker structure of the present utility model is described.
Please consult Fig. 2 and Fig. 3 simultaneously, wherein Fig. 2 is the perspective exploded view of the utility model loud speaker one better embodiment, and Fig. 3 is the side sectional view after the loud speaker assembling shown in Figure 2.Described loud speaker 2 comprises a framework 21, a magnetic circuit system 23, a voice coil loudspeaker voice coil 25 and a vibrational system 27.Described framework 21 is accommodated described magnetic circuit system 23, described voice coil loudspeaker voice coil 25 and described vibrational system 27 in it, supports described magnetic circuit system 23 and vibrational system 27 simultaneously.
Described framework 21 is one to adopt the support body of the tool receiving space (indicating) that plastics make.Described receiving space is the receiving space of a both ends open.Be provided with a step 211 in the receiving space of described framework 21, described step 211 is provided with a plurality of draw-in grooves 213.Described step 211 is divided into two parts with described receiving space, and its lower middle portion correspondence is accommodated described magnetic circuit system 23, and the top correspondence is accommodated the part of described voice coil loudspeaker voice coil 25 and described vibrational system 27.
Described magnetic circuit system 23 comprises a magnetic bowl 231, a magnet 233 and a pole piece 235.Described magnetic bowl 231 surrounds an ostiolate receiving space (not indicating), and the openend of described magnetic bowl 231 is provided with a plurality of steady pins 232, and described a plurality of steady pins 232 correspond respectively to a plurality of draw-in grooves 213 of described step 211.The described magnetic bowl 231 corresponding nested lower parts that are contained in the receiving space of described framework 21, and described a plurality of steady pin 232 correspondences are sticked in described a plurality of draw-in groove 213.Described magnet 233 and the 235 superimposed settings of described pole piece, and corresponding being contained in the receiving space of described magnetic bowl 231, described magnet 233 is sandwiched between described magnetic bowl 231 and the described pole piece 235.Simultaneously, set a column gap between the side surface of described magnetic bowl 231 inner surfaces and described magnet 233, this gap is the magnetic gap 230 of described magnetic circuit system 23.
Described voice coil loudspeaker voice coil 25 is annuluses, and it can correspondingly produce magnetic field after energising.Described voice coil loudspeaker voice coil 25 comprises a voice coil loudspeaker voice coil lead-out wire 251.
Described vibrational system 27 comprises a centring disk 271, ball top 273 and one vibrating diaphragm 275.Described centring disk 271 is elastic plate supports.Described centring disk 271 integral body are hollow ring, and described annular section is provided with pierced pattern, the assurance airflow.The outline of described centring disk 271 is corresponding consistent with step 211 edges of described support 21.Please consult Fig. 4 more simultaneously, it is another angle schematic perspective view of centring disk 271 shown in Figure 2.Described centring disk 271 is to adopt non-conducting material as base material, forms a conducting wire 2711 and a plurality of solder joint 2713 at described substrate surface then.Described conducting wire 2711 can be to be formed at substrate surface by electroplating technology, and the thickness of its conducting wire 2711 and width are according to the corresponding design of required electric current of described voice coil loudspeaker voice coil 25.Described a plurality of solder joint 2713 is disposed on the loop curve track, and this loop curve track is corresponding to the ring-type profile of described voice coil loudspeaker voice coil 25.Described voice coil loudspeaker voice coil 25 contiguous described centring disk 271 tool conducting wires 2711 and the 2713 side settings of a plurality of solder joint, a plurality of solder joints 2713 on itself and described centring disk 271 surfaces are fixed together by welding manner, make described centring disk 271 and described voice coil loudspeaker voice coil 25 form an integral body.The voice coil loudspeaker voice coil lead-out wire 251 of described voice coil loudspeaker voice coil 25 is corresponding to welding realization electrical connection.
Described ball pushes up the hollow region that 273 correspondences are located at described centring disk 271, and the outline edge on described ball top 273 is connected with the annular inboard edge of described centring disk 271, and bonds together by adhesive.
Described vibrating diaphragm 275 is a hollow annular structure equally, and the outer ledge of described circulus is corresponding to the outline of described centring disk 271, and the circulus of described vibrating diaphragm 275 bonds together by adhesive.Described vibrating diaphragm 275 covers together with described ball top 273, and described ball top 273 is positioned at the hollow region of described vibrating diaphragm 275, and the two cooperation surrounds a lid, and centring disk 271 fixed supports by bonding together with it simultaneously form the vibrational system 27 of one.
The assembling process of described loud speaker 2 is as follows:
At first, in the superimposed receiving space that is contained in described magnetic bowl 231 of described magnet 233 and described pole piece 235, and between the inwall of the side of described magnet 233 and described magnetic bowl 231, form ring-type magnetic gap 230.
Secondly, with the inside edge of described centring disk 271 corresponding the bonding together of outer ledge with described ball top 273, its outer ledge then bonds together with described vibrating diaphragm 275, and described centring disk 271 is corresponding fixing and support described ball top 273 and vibrating diaphragm 275 is the vibrational system 27 of one.Wherein said centring disk 271 is provided with a plurality of solder joints 2713 and a conducting wire 2711 away from vibrating diaphragm 271 side surfaces.
Then, a plurality of solder joints 2713 corresponding welding with an end with the described centring disk 271 of described voice coil loudspeaker voice coil 25, the conducting wire 2711 corresponding electrical connections on the voice coil loudspeaker voice coil lead-out wire 251 of described voice coil loudspeaker voice coil 25 and described centring disk 271 surfaces, make described voice coil loudspeaker voice coil 25 corresponding to described vibrational system 27, and described voice coil loudspeaker voice coil 25 is by described vibrational system 27 corresponding electrical connections so that extraneous speaker circuit plate (figure does not show) by described conducting wire 2711 and described voice coil loudspeaker voice coil lead-out wire 251 transmission of electric signals to described voice coil loudspeaker voice coil 25.
Then, described magnetic circuit system 25 correspondences are contained in receiving space the latter half of framework 21, other end correspondence with described voice coil loudspeaker voice coil 25 is contained in the magnetic gap 230 of described magnetic circuit system 23 simultaneously, and the centring disk 271 of described vibrational system 27 engages with step 211 places of described framework 21 are nested.
Thus, form described loud speaker 2, described loud speaker 2 makes described voice coil loudspeaker voice coil 25 and the corresponding electrical connection of extraneous speaker circuit plate by the conducting wire 2711 of being located at described centring disk 271 surfaces, the transmission of the realization signal of telecommunication, described loud speaker 2 correspondences are acoustic signal propagation with the electrical signal conversion that is received.
Compared to prior art, in this embodiment, a plurality of solder joints 2713 and conducting wire 2711 are set, make described voice coil loudspeaker voice coil 25 be integrated in described vibrational system 27 by welding manner in described centring disk 271 surfaces, make that the integrated level of whole loud speaker 2 is higher, ease of assembly.Simultaneously because described vibrational system 27 is formed an integral body with voice coil loudspeaker voice coil 25, so when loud speaker 2 when working, be solidly connected with each other between the corresponding elements, reduce greatly because vibration or external force collision cause the element dislocation, the possibility that causes product quality to descend improves production reliability.
In addition, because miniaturization development trend demand along with electronic product, the effective and reasonable space that utilizes is the prerequisite that realizes above-mentioned purpose, the voice coil loudspeaker voice coil lead-out wire needs certain spatial accommodation in the prior art, described centring disk is also in requisition for certain oscillation space, then the loud speaker overall volume is bigger, be unfavorable for realizing frivolous miniaturization, and the utility model is directly welded in described voice coil loudspeaker voice coil lead-out wire 251 conducting wire 2711 of described centring disk 271, avoid independent space to hold voice coil loudspeaker voice coil lead-out wire 251 to be electrically connected with extraneous speaker circuit plate, save the space greatly, designs simplification, the more frivolous miniaturization of integral body.The power of described loud speaker 2 can be by adjusting the live width of described conducting wire 2711, reduces its impedance and improve.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. loud speaker, it comprises a magnetic circuit system, a voice coil loudspeaker voice coil and a centring disk, described magnetic circuit system comprises a magnetic gap, described voice coil loudspeaker voice coil comprises a voice coil loudspeaker voice coil lead-out wire, described voice coil loudspeaker voice coil one end is contained in the described magnetic gap, its other end is fixed in described centring disk, it is characterized in that: described centring disk comprises that one is formed at its surperficial conducting wire, the corresponding electrical connection with the conducting wire of described centring disk of described voice coil loudspeaker voice coil lead-out wire.
2. loud speaker according to claim 1 is characterized in that: described conducting wire is the coat of metal that is formed on described centring disk surface by electroplating technology.
3. loud speaker according to claim 1 is characterized in that: described voice coil loudspeaker voice coil and described centring disk are the integrative-structure setting.
4. loud speaker according to claim 3 is characterized in that: described centring disk surface also is provided with a plurality of solder joints, and described voice coil loudspeaker voice coil and described centring disk weld together in described bond pad locations.
5. loud speaker according to claim 4 is characterized in that: described centring disk is a hollow annular structure.
6. loud speaker according to claim 5 is characterized in that: described loud speaker also comprises ball top, the corresponding hollow region that is arranged on described centring disk in described ball top.
7. loud speaker according to claim 6 is characterized in that: described ball top is corresponding bonding with described centring disk inside edge.
8. loud speaker according to claim 6 is characterized in that: described loud speaker also comprises a vibrating diaphragm, and described vibrating diaphragm and described centring disk are folded to be established, and the outer ledge of described vibrating diaphragm is corresponding bonding with the outer ledge of described centring disk.
9. loud speaker according to claim 1, it is characterized in that: described loud speaker also comprises a ball top and a vibrating diaphragm, described voice coil loudspeaker voice coil one end is fixed in described centring disk surface, and described ball top, described vibrating diaphragm and described voice coil loudspeaker voice coil support by described centring disk and the fixing one that forms.
10. loud speaker according to claim 9 is characterized in that: described loud speaker also comprises the framework of a tool receiving space, and described magnetic circuit system is contained in the lower part of described receiving space, and described vibrational system partly is contained in the top of described receiving space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920261212XU CN201663684U (en) | 2009-12-07 | 2009-12-07 | Speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920261212XU CN201663684U (en) | 2009-12-07 | 2009-12-07 | Speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663684U true CN201663684U (en) | 2010-12-01 |
Family
ID=43234101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920261212XU Expired - Lifetime CN201663684U (en) | 2009-12-07 | 2009-12-07 | Speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663684U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102811410A (en) * | 2012-08-14 | 2012-12-05 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN105187997A (en) * | 2015-10-16 | 2015-12-23 | 歌尔声学股份有限公司 | Loudspeaker |
| CN105704615A (en) * | 2016-01-25 | 2016-06-22 | 何长毛 | Waterproof loudspeaker and earphone |
| CN108271106A (en) * | 2018-01-08 | 2018-07-10 | 瑞声科技(新加坡)有限公司 | Loud speaker |
-
2009
- 2009-12-07 CN CN200920261212XU patent/CN201663684U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102811410A (en) * | 2012-08-14 | 2012-12-05 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN102811410B (en) * | 2012-08-14 | 2015-09-02 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN105187997A (en) * | 2015-10-16 | 2015-12-23 | 歌尔声学股份有限公司 | Loudspeaker |
| CN105704615A (en) * | 2016-01-25 | 2016-06-22 | 何长毛 | Waterproof loudspeaker and earphone |
| CN105704615B (en) * | 2016-01-25 | 2019-03-19 | 何长毛 | A kind of waterproof speaker and earphone |
| CN108271106A (en) * | 2018-01-08 | 2018-07-10 | 瑞声科技(新加坡)有限公司 | Loud speaker |
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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 |
Effective date of registration: 20170531 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: AAC Acoustic Technologies (Changzhou) Co., Ltd. Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: 518057 Nanshan District province high tech Industrial Park, Shenzhen, North West New Road, No. 18 Co-patentee before: AAC Acoustic Technologies (Changzhou) Co., Ltd. Patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |