CN101316457A - Loudspeaker and its manufacturing method - Google Patents
Loudspeaker and its manufacturing method Download PDFInfo
- Publication number
- CN101316457A CN101316457A CNA200710028422XA CN200710028422A CN101316457A CN 101316457 A CN101316457 A CN 101316457A CN A200710028422X A CNA200710028422X A CN A200710028422XA CN 200710028422 A CN200710028422 A CN 200710028422A CN 101316457 A CN101316457 A CN 101316457A
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- basin frame
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- basin
- shaped frame
- loud speaker
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Abstract
The invention discloses a speaker and a manufacturing method thereof. The speaker of the invention comprises a basin-shaped frame component, and a sound emitting component is fixed in the front of basin-shaped frame component; a magnetic conductive mesh enclosure is fixed in the front of the sound emitting component; the basin-shaped frame component comprises a basin-shaped frame, a basin-shaped frame breach is provided on the basin-shaped frame; the sound emitting component comprises a voice coil and an internal lead which is fetched out from the voice coil; the internal lead is fetched out from the basin-shaped frame breach of the basin-shaped frame and is fixed at the peripheral edge of the basin-shaped frame breach by a colloid fixation point. In the manufacturing method of the speaker, a product performance test is carried out under the state that the basin-shaped frame component and the sound emitting component are magnetically pulled in with the magnetic conductive mesh enclosure; when finding sub-par performance, means such as leading the basin-shaped component and sound emitting component to generate relative move can be adopted to adjust the relative position of the internal lead and a sound film so as to change sound emitting effect and carry out the test directly. The speaker and the manufacturing method of the invention can effectively promote the sound emitting effect of the speaker, particularly improve the distortion characteristic of the speaker and heighten the product percent of pass.
Description
Technical field
The present invention relates to a kind of loudspeaker techniques, relate in particular to a kind of structure and manufacture method thereof of loud speaker, be mainly used in earphone and mobile phone etc.
Background technology
Current consumption electronic products such as earphone and mobile phone obtain widely applying along with development of electronic technology and social economy's level improve, and bring great convenience for people's work, study and amusement.
The loud speaker of current consumption electronic products generally comprises basin frame component and pronunciation component.The basin frame component comprises the basin frame, and pronunciation component comprises sound film, retainer ring and voice coil loudspeaker voice coil.Lead to lead on the voice coil loudspeaker voice coil, lead is provided with fixing point and finally extracts from fixing point on retainer ring.
Current loud speaker during fabrication, and is after lead is coated in sound film face, promptly fixing on retainer ring by fixing point; , after basin frame component, pronunciation component and guard are adhesively fixed fully, magnetize again thereupon, carry out performance test then.
Because the restriction of basin frame, sound film and retainer ring structure, very most of meeting of lead is attached at the sound film, in order to avoid produce different sound, and improve the lead life-span.Problems such as and the sound film is owing to be subjected to the fit influence of restriction of lead, and it is poor to tend to produce voice effect, and distortion is serious in a certain frequency range.Be easy to generate the full range peak distortion as a kind of earphone speaker in the 300-500Hz frequency band range, distortion factor the lighter 1.0%, and heavy person reaches 10%, and the full range peak distortion amounts to about 10% above 3% ratio.
Performance test when current loud speaker is made generally all is to carry out after assembling fixes fully again, in case discovery has problems such as full range distortion, but remedial measure is limited, and effect is also undesirable, often goods will be scrapped.
Summary of the invention
First purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of lead and sound film can not attach less even and attaches, thereby improve the pronunciation performance, particularly reduces the loud speaker of full range distortion defective products rate.
Another object of the present invention is to provide a kind of manufacture method of loud speaker, can after product testing is qualified, be adhesively fixed again, make qualification rate thereby improve product.
For reaching above-mentioned first goal of the invention, loud speaker provided by the present invention comprises basin frame component and pronunciation component; The basin frame component comprises the basin frame, has basin frame breach on this basin frame; Pronunciation component comprises voice coil loudspeaker voice coil, and this voice coil loudspeaker voice coil leads to lead, and this lead is drawn and is fixed in basin frame indentation, there from basin frame breach.
For reaching above-mentioned second goal of the invention, loudspeaker production method provided by the present invention may further comprise the steps:
(1) basin frame component assembling;
(2) the basin frame component is magnetized;
(3) pronunciation component assembling;
(4) lead in the pronunciation component is fixed in the basin frame indentation, there of basin frame, basin frame component, pronunciation component and magnetic conduction guard magnetic attracting by the basin frame component;
(5) performance test of pronouncing, performance is up to standard directly enters next step; Performance is not up to standard, directly adjusts and tests, and is up to standard up to performance;
(6) basin frame component, pronunciation component and magnetic conduction guard are adhesively fixed.
As mentioned above, because loud speaker lead of the present invention is drawn and is fixed in basin frame breach outer rim from the basin frame breach of basin frame, thereby can move lead to trend and leave the sound film, no longer attaches sound film or less attaching sound film, the influence that minimizing is vibrated the sound film, thus voice effect can be improved.
Because in the manufacture method of loud speaker of the present invention, the properties of product test is carried out at the magnetic attracting state at basin frame component, pronunciation component and magnetic conduction guard, and in case find to have performance situation not up to standard, can adopt the relative position relation that makes means such as basin frame component and pronunciation component generation relatively move adjust lead and sound film to change the pronunciation performance, and directly test, so can effectively improve properties of product and improve product manufacturing qualification rate.
Description of drawings
In Figure of description
Fig. 1 is the partial sectional view of a kind of loud speaker of the present invention.
Fig. 2 be behind the loud speaker shown in Figure 1 to three-dimensional decomposing assembly figure.
Fig. 3 is the three-dimensional exploded view of loud speaker shown in Figure 1.
Fig. 4 is the process chart of a kind of loudspeaker production method of the present invention.
The description of reference numerals of each assembly is as follows among the figure:
Basin frame breach 131 fixing points 132
Sound film 22 voice coil loudspeaker voice coils 23
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode Bing conjunction with figs. is detailed.
See also Fig. 1 and Fig. 2, loud speaker of the present invention comprises basin frame component 10.The front of basin frame component 10 is fixed with pronunciation component 20.The front of pronunciation component 20 is fixed with magnetic conduction guard 3.
See also Fig. 3, described basin frame component 10 comprises basin frame 13, has the basin frame on this basin frame 13 and lacks 131.The back of basin frame 13 is provided with pcb board 14, is provided with magnet piece 12 and magnetic conduction sheet 11 in basin frame 13 front cavity.Magnetic conduction sheet 11, magnet piece 12, basin frame 13 and pcb board 14 are fixed together by rivet 15.
Please continue to consult Fig. 3, described pronunciation component 20 comprises sound film 22, and sound film 22 borders are fixed with the retainer ring 21 as sound film 22 supports, are adhesively fixed with voice coil loudspeaker voice coil 23 on the rear surface of sound film 22.Lead to lead 231 on the voice coil loudspeaker voice coil 23, be coated with viscoelastic colloid (not shown) on the lead 231.The viscoelastic colloid can prolong lead useful life, avoids face because of lead 231 and sound film 22 that bump takes place simultaneously and friction produces different sound.
See also Fig. 1, the lead 231 on the described pronunciation component 20 is drawn and is fixed in basin frame breach 131 outer rims by the fixing point 132 of colloid from the basin frame breach 131 of basin frame 13.
Described magnetic conduction guard 3 can whole be used the permeability magnetic material manufacturing, also can partly adopt the permeability magnetic material manufacturing.
See also Fig. 3 and Fig. 4, a kind of manufacture method of loud speaker may further comprise the steps:
(1) basin frame component 10 assemblings: adopt rivet 15 that magnetic conduction sheet 11, magnet piece 12, basin frame 13 and pcb board 14 are fixed together;
(2) basin frame component 10 is magnetized;
(3) pronunciation component 20 assemblings: sound film 22 and retainer ring 21, voice coil loudspeaker voice coil 23 are adhesively fixed together;
(4) lead 231 to voice coil loudspeaker voice coil 23 applies the viscoelastic colloid.
(5) fixing point 132 that lead 231 in the pronunciation component 20 is sentenced colloid at the basin frame breach 131 of basin frame 13 is fixed; Basin frame component 10, pronunciation component 20 are arranged according to normal assemble sequence with magnetic conduction guard 3, and it is pulled together by the magnetic of basin frame component 10 and the magnetic conductivity of magnetic conduction guard 3;
(6) performance test of pronouncing, performance is up to standard directly enters next step; Performance is not up to standard, directly adjusts and tests, and is up to standard up to performance;
(7) basin frame component 10, pronunciation component 20 are adhesively fixed with magnetic conduction guard 3.
In summary, because loud speaker lead 231 of the present invention is drawn and is fixed in basin frame breach 131 from the basin frame breach 131 of basin frame 13, thereby can move lead 231 to trend and leave sound film 22, no longer or less attaching sound film 22, thereby reduce influence, and then can improve voice effect 22 vibrations of sound film.
Because in the manufacture method of loud speaker of the present invention, the properties of product test is at basin frame component 10, pronunciation component 20 carries out at the magnetic attracting state with magnetic conduction guard 3, thereby in case find to have performance situation not up to standard, can adopt basin frame component 10 and pronunciation component 20 generations are relatively moved (as rotary fine adjustment, left and right sides off normal fine setting) means such as relative position (also can adopt the way of unit replacement sometimes) of adjustment lead 231 and sound film 22 change the pronunciation performance of loud speaker, and directly test, so can effectively improve the pronunciation performance of loud speaker and improve product percent of pass.Production statistical result showed, full range distortion defective products almost all can be adjusted to the requirement of symbol platform performance index.
Coated viscoelastic colloid also can replace with shock liquid on the lead 231 of aforementioned loud speaker.Step in the aforementioned loudspeaker production method (1) and step (2) are coordinations with step (3), no sequencing.
Claims (8)
1. a loud speaker comprises basin frame component and pronunciation component; The basin frame component comprises the basin frame, has basin frame breach on this basin frame; Pronunciation component comprises voice coil loudspeaker voice coil, and this voice coil loudspeaker voice coil leads to lead, it is characterized in that: this lead is drawn and is fixed in basin frame indentation, there from basin frame breach.
2. loud speaker as claimed in claim 1 is characterized in that: also comprise the magnetic conduction guard, this guard is fixed in the front of pronunciation component.
3. loud speaker as claimed in claim 1 is characterized in that: the back of basin frame is fixed with pcb board in the described basin frame component, and basin frame internal fixation has magnet piece and magnetic conduction sheet.
4. loud speaker as claimed in claim 1 is characterized in that: the front of voice coil loudspeaker voice coil is fixed with the sound film in the described pronunciation component, and sound film border is fixed with retainer ring.
5. loud speaker as claimed in claim 1 is characterized in that: be coated with the viscoelastic colloid on the described lead.
6. loud speaker as claimed in claim 1 is characterized in that: be coated with shock liquid on the described lead.
7. the manufacture method of a loud speaker comprises step:
(1) assembling basin frame component;
(2) the basin frame component is magnetized;
(3) assembling pronunciation component;
(4) lead in the pronunciation component is fixed in the basin frame indentation, there of basin frame, basin frame component, pronunciation component and magnetic conduction guard magnetic attracting by the basin frame component;
(5) performance test of pronouncing, performance is up to standard directly enters next step; Performance is not up to standard, directly adjusts and tests, and is up to standard up to performance;
(6) basin frame component, pronunciation component and magnetic conduction guard are adhesively fixed.
8. the manufacture method of loud speaker as claimed in claim 7 is characterized in that: be provided with the step to lead gluing or shock liquid between step (3) and step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710028422XA CN101316457A (en) | 2007-06-01 | 2007-06-01 | Loudspeaker and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710028422XA CN101316457A (en) | 2007-06-01 | 2007-06-01 | Loudspeaker and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101316457A true CN101316457A (en) | 2008-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710028422XA Pending CN101316457A (en) | 2007-06-01 | 2007-06-01 | Loudspeaker and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101316457A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348152A (en) * | 2010-07-28 | 2012-02-08 | 宝星电子股份有限公司 | Multifunctional speaker using mesh cover |
| CN101621731B (en) * | 2009-07-31 | 2015-09-23 | 瑞声声学科技(深圳)有限公司 | The manufacture method of minitype acoustic generator |
| CN108322874A (en) * | 2018-03-19 | 2018-07-24 | 歌尔股份有限公司 | A kind of loud speaker and electronic equipment |
| WO2019128439A1 (en) * | 2017-12-25 | 2019-07-04 | 歌尔股份有限公司 | Magnetic conductive plate carrier tape and sounding device module |
| US11638098B2 (en) * | 2019-08-26 | 2023-04-25 | AAC Technologies Pte. Ltd. | Screen sounding system |
-
2007
- 2007-06-01 CN CNA200710028422XA patent/CN101316457A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101621731B (en) * | 2009-07-31 | 2015-09-23 | 瑞声声学科技(深圳)有限公司 | The manufacture method of minitype acoustic generator |
| CN102348152A (en) * | 2010-07-28 | 2012-02-08 | 宝星电子股份有限公司 | Multifunctional speaker using mesh cover |
| WO2019128439A1 (en) * | 2017-12-25 | 2019-07-04 | 歌尔股份有限公司 | Magnetic conductive plate carrier tape and sounding device module |
| CN108322874A (en) * | 2018-03-19 | 2018-07-24 | 歌尔股份有限公司 | A kind of loud speaker and electronic equipment |
| CN108322874B (en) * | 2018-03-19 | 2019-09-17 | 歌尔股份有限公司 | A kind of loudspeaker and electronic equipment |
| US11638098B2 (en) * | 2019-08-26 | 2023-04-25 | AAC Technologies Pte. Ltd. | Screen sounding system |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081203 |