CN101984676A - Sound production device and manufacturing method thereof - Google Patents
Sound production device and manufacturing method thereof Download PDFInfo
- Publication number
- CN101984676A CN101984676A CN2010105386734A CN201010538673A CN101984676A CN 101984676 A CN101984676 A CN 101984676A CN 2010105386734 A CN2010105386734 A CN 2010105386734A CN 201010538673 A CN201010538673 A CN 201010538673A CN 101984676 A CN101984676 A CN 101984676A
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- Prior art keywords
- basin frame
- sound
- protecgulum
- hole
- hole section
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Abstract
The invention provides a sound production device, which comprises a vibration system and an auxiliary system, wherein the vibration system comprises a sound film; the sound film comprises a vibration part and a fixed part encircling the vibration part; the auxiliary system comprises a basin frame and a front cover matched with the basin frame; the fixed part is provided with a through hole part; and the through hole part is adhered between the basin frame and the front cover. The sound film of the structure can ensure that the glue can directly connect the basin frame and the front cover through a through hole when the basin frame and the front cover are glued, so the strength of the glue is increased; and the front cover and the basin frame are not easy to separate during dropping, so the stability of acoustic property is ensured.
Description
[technical field]
The present invention relates to a kind of field of transducer, relate in particular to a kind of sound-producing device and manufacture method thereof that electrical signal conversion is become acoustical signal.
[background technology]
Along with the development of wireless communication technique, miniature sound-producing device has become requisite device in the increasing electronic product, for example: mobile phone, notebook computer, multimedia player etc.People not only are speech quality to the requirement of microphone, and it is higher also to require it to require on structural stability.
And the fixed part on the present sound-producing device middle pitch film is clipped between basin frame and the protecgulum, by glue basin frame, fixed part and protecgulum three layer are successively sticked together, in conjunction with the glue insufficient strength, protecgulum and basin frame separate easily when falling, thereby cause acoustical behavior bad like this.
Therefore, be necessary above-mentioned sound-producing device, cause that protecgulum improves with the deficiency that the basin frame separates the chorus unstable properties easily when falling because of the glue insufficient strength between protecgulum and the basin frame.
[summary of the invention]
The objective of the invention is to solve above-mentioned sound-producing device because glue intensity not enough between protecgulum and the basin frame, cause that protecgulum and basin frame separate easily when falling, the deficiency that acoustical behavior is unsettled and a kind of sound-producing device is provided:
A kind of sound-producing device, involving vibrations system and auxiliary system, described vibrational system comprises the sound film, described sound film involving vibrations portion and around the fixed part of vibration section, described auxiliary system comprises basin frame and the protecgulum that matches with the basin frame, described fixed part is provided with through-hole section, and described through-hole section is bonded between basin frame and the protecgulum.
Preferably, described through-hole section is provided with a plurality of through holes, and described through hole evenly distributes at interval.
Preferably, described basin frame is provided with boss, and described protecgulum is provided with positioning table, and described through-hole section is bonded between positioning table and the boss.
The present invention also provides the manufacture method of this sound-producing device, this method comprises the steps: to provide vibrational system and auxiliary system, described vibrational system comprises the sound film, described sound film involving vibrations portion and around the fixed part of vibration section, described auxiliary system comprises basin frame and the protecgulum that matches with the basin frame; Establish through-hole section on described fixed part, described through-hole section is provided with a plurality of through holes, and described through hole is spaced apart; Utilize bonding agent that basin frame, sound film and protecgulum three is bonding successively, bonding between protecgulum and the basin frame by the bonding agent that overflows by through-hole section.
Beneficial effect of the present invention is: described glue can directly be connected the basin frame with protecgulum by the through hole of through-hole section, thereby has increased glue intensity, and protecgulum is not easy to separate with the basin frame when falling, and has guaranteed the stability of acoustical behavior.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of one embodiment of the invention sound-producing device;
Fig. 2 is the stereogram of one embodiment of the invention sound-producing device middle pitch film;
Fig. 3 is the first visual angle stereogram before protecgulum in one embodiment of the invention sound-producing device, sound film, the assembling of basin frame;
Fig. 4 is the second visual angle stereogram before basin frame in one embodiment of the invention sound-producing device, sound film, the protecgulum assembling.
[embodiment]
As shown in Figure 1, the invention provides an embodiment of sound-producing device, described sound-producing device a, 1a of involving vibrations system and auxiliary system 2a, it also comprises a magnetic circuit system 3a, described vibrational system 1a comprises that a sound film 10 and an end fix the coil 11 on it, and described auxiliary system 2a comprises protecgulum 20, conducting strip 21 and match with described protecgulum 20 and form the basin frame 22 of host cavity, and described magnetic circuit system 3a comprises magnetic bowl 32, be contained in the magnet steel 31 in the magnetic bowl 32 and attach the pole piece 30 on magnet steel 31 surfaces.
Described coil 11 1 ends are fixed on the sound film 10, and the other end is suspended in the magnetic gap of magnetic bowl 32 and magnet steel 31 formation.When giving coil 11 input electrical signals, voice coil loudspeaker voice coil 11 is made cutting magnetic line movement in described magnetic gap, drives sound film 10 vibration soundings thereby produce electromagnetic force.
Described conducting strip 21 is embedded in the basin frame 22, and described coil 11 electrically connects with conducting strip 21 1 ends, and described conducting strip 21 other ends are electrically connected with extraneous, thereby gives coil 11 input electricity signal frequently
As shown in Figure 2; described sound film 10 involving vibrations portions 101 and around the fixed part 100 of vibration section 101; on described fixed part 100, be provided with through-hole section 1001; described through-hole section 1001 is meant that fixed part 100 is provided with the part of through hole 1001a; described through-hole section 1001 is provided with a plurality of through hole 1001a; described through hole 1001a evenly distributes at interval; and the arrangement mode of described through hole 1001a is not limited only to a circle hole of present embodiment; also can be arranged in waveform etc.; its purpose is just in order to be provided with a through-hole section 1001 that has through hole 1001a; the through hole 1001a that utilizes this through-hole section 1001 can allow glue see through in it gets final product, and this change with principle all should belong to protection scope of the present invention.
As shown in Figure 3 and Figure 4, described sound film 10 is between protecgulum 20 and basin frame 22, described basin frame 22 is provided with boss 221, is provided with the positioning table 201 that matches with boss 221 on described protecgulum 20, and described fixed part 100 is bonded between positioning table 201 and the boss 221.Certainly; boss 221 also can be arranged on the protecgulum 20; corresponding positioning table 201 is arranged on the basin frame 22; such setting all is assembling for convenience, accurate positioning, and be not limited only to this two kinds of situations; such as when not having boss 221 and positioning table 201; as long as the fixed part 100 that protecgulum 20 and basin frame 22 provide edge part to push down sound film 10, its effect all is the same, all belongs to protection scope of the present invention.
Shown in Fig. 2 to 4, when protecgulum 20 and basin frame 22 usefulness glue are bonding, glue can directly couple together protecgulum 20 and basin frame 22 by through hole 1001a, and the even distribution of through hole 1001a can guarantee that the power of pullling around sound film 10 is when vibration is the same, has guaranteed that acoustical behavior is stable.
The present invention also provides the manufacture method of this sound-producing device a, and this manufacture method comprises the steps:
(1) provide vibrational system 1a and auxiliary system 2a, described vibrational system 1a comprises sound film 11, described sound film 11 involving vibrations portions 101 and around the fixed part 100 of vibration section 101, and described auxiliary system comprises basin frame 22 and the protecgulum 20 that matches with basin frame 22;
(2) establish through-hole section 1001 on described fixed part 100, described through-hole section 1001 is provided with a plurality of through hole 1001a, and described through hole 1001a is spaced apart;
(3) utilize bonding agent that basin frame 22, sound film 11 and protecgulum 20 threes are bonding successively, bonding between protecgulum 20 and the basin frame 22 by the bonding agent that overflows by through-hole section 1001.
The manufacture method of the sound-producing device a that provides by this invention, its beneficial effect is: described glue can directly be connected basin frame 22 with protecgulum 20 by the through hole 1001a of through-hole section 1001, thereby increased glue intensity, protecgulum 20 is not easy to separate with basin frame 22 when falling, and has guaranteed the stability of acoustical behavior.
Above-described only is better embodiment of the present invention, 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 invention design, can also make improvement, but these all belongs to protection scope of the present invention.
Claims (4)
1. sound-producing device, involving vibrations system and auxiliary system, described vibrational system comprises the sound film, described sound film involving vibrations portion and around the fixed part of vibration section, described auxiliary system comprises basin frame and the protecgulum that matches with the basin frame, it is characterized in that: described fixed part is provided with through-hole section, and described through-hole section is bonded between basin frame and the protecgulum.
2. sound-producing device according to claim 1 is characterized in that: described through-hole section is provided with a plurality of through holes, and described through hole evenly distributes at interval.
3. sound-producing device according to claim 1 is characterized in that: described basin frame is provided with boss, and described protecgulum is provided with positioning table, and described through-hole section is bonded between positioning table and the boss.
4. method of making sound-producing device as claimed in claim 1, it is characterized in that: this method comprises the steps:
(1) provide vibrational system and auxiliary system, described vibrational system comprises the sound film, described sound film involving vibrations portion and around the fixed part of vibration section, and described auxiliary system comprises basin frame and the protecgulum that matches with the basin frame;
(2) establish through-hole section on described fixed part, described through-hole section is provided with a plurality of through holes, and described through hole is spaced apart;
(3) utilize bonding agent that basin frame, sound film and protecgulum three is bonding successively, bonding between protecgulum and the basin frame by the bonding agent that overflows by through-hole section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105386734A CN101984676A (en) | 2010-11-10 | 2010-11-10 | Sound production device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105386734A CN101984676A (en) | 2010-11-10 | 2010-11-10 | Sound production device and manufacturing method thereof |
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| CN101984676A true CN101984676A (en) | 2011-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105386734A Pending CN101984676A (en) | 2010-11-10 | 2010-11-10 | Sound production device and manufacturing method thereof |
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| CN (1) | CN101984676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040278A (en) * | 2021-11-17 | 2022-02-11 | 瑞声光电科技(常州)有限公司 | Loudspeaker box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238374Y (en) * | 2008-07-04 | 2009-05-13 | 瑞声声学科技(常州)有限公司 | Novel miniature sounding device |
| CN201383870Y (en) * | 2009-01-19 | 2010-01-13 | 歌尔声学股份有限公司 | Micro-movable coil electroacoustic transducer |
| CN201533400U (en) * | 2009-10-19 | 2010-07-21 | 瑞声声学科技(常州)有限公司 | Vibration membrane and a sounder using the vibration membrane |
-
2010
- 2010-11-10 CN CN2010105386734A patent/CN101984676A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201238374Y (en) * | 2008-07-04 | 2009-05-13 | 瑞声声学科技(常州)有限公司 | Novel miniature sounding device |
| CN201383870Y (en) * | 2009-01-19 | 2010-01-13 | 歌尔声学股份有限公司 | Micro-movable coil electroacoustic transducer |
| CN201533400U (en) * | 2009-10-19 | 2010-07-21 | 瑞声声学科技(常州)有限公司 | Vibration membrane and a sounder using the vibration membrane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114040278A (en) * | 2021-11-17 | 2022-02-11 | 瑞声光电科技(常州)有限公司 | Loudspeaker box |
| CN114040278B (en) * | 2021-11-17 | 2024-02-23 | 瑞声光电科技(常州)有限公司 | Loudspeaker box |
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Application publication date: 20110309 |