CN204948347U - Microspeaker - Google Patents
Microspeaker Download PDFInfo
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- CN204948347U CN204948347U CN201520408964.XU CN201520408964U CN204948347U CN 204948347 U CN204948347 U CN 204948347U CN 201520408964 U CN201520408964 U CN 201520408964U CN 204948347 U CN204948347 U CN 204948347U
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- shell fragment
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- base portion
- voice coil
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Abstract
The utility model discloses a kind of Microspeaker, involving vibrations system and auxiliary system, vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, the protecgulum that auxiliary system comprises shell and matches with shell, shell is combined with electrical connector, electrical connector comprises the first shell fragment be electrically connected with the lead-in wire of voice coil loudspeaker voice coil and the second shell fragment be electrically connected with external circuit, first shell fragment and shell integrated injection molding, the space to be preserved in the corresponding first shell fragment front of shell has glue groove, the side of the second shell fragment is corresponding with the first shell fragment fits, and laser welding conducting, colloid is filled with in glue groove, second shell fragment and shell are fixed by colloid.Microspeaker of the present utility model, its electric connection structure and shell fixedly secure, good reliability, can save space simultaneously, are convenient to magnetic circuit and maximize, thus significantly promote the performance of loudspeaker monomer.
Description
Technical field
The utility model relates to electroacoustic field, is specifically related to a kind of Microspeaker.
Background technology
Loud speaker as a kind of be the device of acoustic energy by electric energy conversion, now be widely used in the electronic installation such as mobile phone, computer, PDA, MP3, and along with the continuous progress of science and technology and the fast development of electronic industry, the performance of people to loud speaker it is also proposed higher demand.Loud speaker generally includes magnetic circuit system, vibrational system and auxiliary system, and wherein, magnetic circuit system generally comprises frame, be fixed on magnet in frame and washer; Vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and auxiliary system then comprises shell and protecgulum.Existing speaker product, the lead-in wire of its voice coil loudspeaker voice coil is electrically connected with electrical connector (pad), and then be communicated with external circuit, when after the current signal receiving external circuit, voice coil loudspeaker voice coil can do the motion of the reciprocating cutting magnetic line of force in electromagnetic field, drive diaphragm oscillations, thus instigate air sounding, realize the conversion between electroacoustic.
In prior art, in order to improve the performance of loudspeaker monomer further, often need the magnet of magnetic circuit system to be accomplished maximum, but the monomer of same size can reduce the position of pad unavoidably while strengthening magnet as far as possible, thus bring certain difficulty to the design of monomer lead-out mode.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of Microspeaker, and the electric connection structure for monomer improves, and makes it under meeting electric connection structure operating state to have the prerequisite of desirable force value, save space.
To achieve these goals, the utility model by the following technical solutions: a kind of Microspeaker, involving vibrations system and auxiliary system; Described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil; The protecgulum that described auxiliary system comprises shell and matches with described shell; Described shell is combined with electrical connector, and wherein, described electrical connector comprises the first shell fragment be electrically connected with the lead-in wire of described voice coil loudspeaker voice coil and the second shell fragment be electrically connected with external circuit; Described first shell fragment and described shell integrated injection molding; The space to be preserved in the corresponding described first shell fragment front of described shell has glue groove; The side of described second shell fragment is corresponding with described first shell fragment fits, and laser welding conducting; Colloid is filled with in described glue groove; Described second shell fragment and described shell are fixed by described colloid.
Improve as one, the extension that described first shell fragment comprises the first base portion, the first sidepiece extended vertically downward from the side of described first base portion and extends vertically upward from the opposite side of described first base portion; All be connected smoothly between described first base portion and described first sidepiece, described extension.
Improve as one, the 3rd sidepiece that described second shell fragment comprises the second base portion, the second sidepiece extended vertically downward from the side of described second base portion and extends vertically downward from the opposite side of described second base portion; Described 3rd sidepiece is away from the outside horizontal-extending in one end of described second base portion; Described second base portion and described second sidepiece, described 3rd sidepiece are connected smoothly; The edge of one of them minor axis of described second base portion is provided with the kink that another short-axis direction to described second base portion extends.
Improve as one, the position of corresponding described second sidepiece of sidewall of described shell is provided with the groove of material formation; Described second sidepiece is taken in described groove.
Improve as one, the width of described groove cell body is greater than or equal to the thickness of described second sidepiece.
Improve as one, the side of described second shell fragment is described second sidepiece; First sidepiece of described first shell fragment is exposed to outside at least partly, fits, and fixed by laser welding conducting with described second sidepiece.
Improve as one, described glue groove, just to described first base portion and described 3rd sidepiece, goes material to be formed by the sidewall of described shell; Described 3rd sidepiece is fixed by the colloid in described glue groove and described shell.
Improve as one, described first base portion is exposed to outside at least partly, fits with described 3rd sidepiece; Described first base portion and described 3rd sidepiece can pass through laser welding conducting, also can be fixed by the colloid in described glue groove.
Improve as one, described first shell fragment and described second shell fragment are stainless steel.
Improve as one, described Microspeaker also comprises magnetic circuit system; Described magnetic circuit system comprises frame, is fixed on the magnet in described frame and is covered in the washer of described magnet surface.
Compared to existing technologies, Microspeaker of the present utility model, monomer whose and the electric connection structure of external circuit comprise the first shell fragment be electrically connected with the lead-in wire of voice coil loudspeaker voice coil respectively and the second shell fragment be electrically connected with external circuit, and the first shell fragment and the second shell fragment are by laser welding conducting, not only space can be saved, and its fix and the reliability of conducting high, use more convenient, the space that above-mentioned electric connection structure is saved can maximize for magnetic circuit to greatest extent, thus significantly can promote the performance of loudspeaker monomer; In addition, in the technical program, the both sides of the second shell fragment are fixed with the first shell fragment and shell respectively, can ensure the secure bond of itself and shell, realize it and have good reliability when pressing down work.To sum up, Microspeaker of the present utility model, its electric connection structure greatly can save space under meeting operating state to have the prerequisite of desirable force value.
Accompanying drawing explanation
Fig. 1 is the back appearance schematic diagram after the assembling of the utility model Microspeaker;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the cutaway view of Fig. 2 along A-A line;
Fig. 4 is the stereogram of the utility model Microspeaker second elastic piece structure;
Reference numeral wherein comprises: 1, frame, and 2, magnet, 3, washer, 4, vibrating diaphragm, 5, voice coil loudspeaker voice coil, 6, protecgulum, 7, shell, the 8, first shell fragment, the 81, first base portion, 82, the first sidepiece, the 9, second shell fragment, the 91, second base portion, 92, the second sidepiece, the 93, the 3rd sidepiece, 94, kink, 10, glue groove, 11, colloid, 12, groove.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment:
Consult Fig. 1, Fig. 2 and Fig. 3 jointly shown in, Microspeaker of the present utility model comprises magnetic circuit system, vibrational system and auxiliary system.Wherein, magnetic circuit system comprises frame 1, is fixed on the magnet 2 on frame 1 surface and is covered in the washer on magnet 2 surface; Vibrational system comprises vibrating diaphragm 4 and to bond fixing voice coil loudspeaker voice coil 5 with vibrating diaphragm 4; The protecgulum 6 that auxiliary system comprises shell 7 and matches with shell 7.
In the technical program, shell 7 is combined with electrical connector, and electrical connector structure comprises the first shell fragment 8 and the second shell fragment 9, wherein, first shell fragment 8 is electrically connected with the lead-in wire of voice coil loudspeaker voice coil 5, and the second shell fragment 9 is then electrically connected with external circuit, and the side of the second shell fragment 9 is corresponding with the first shell fragment 8 fits, the two carries out conducting by laser welding and fixes, and realizes the conducting of Microspeaker monomer and external circuit thus.In addition, the first shell fragment 8 and shell 7 are integrated the structure of injection mo(u)lding, and the position in corresponding first shell fragment 8 front of shell 7 is reserved with glue groove 10, is filled with colloid 11 in glue groove 10, and the second shell fragment 9 bonds fixing with shell 7 by colloid 11.Like this, the current signal of external circuit can be passed to voice coil loudspeaker voice coil 5 by the second shell fragment 9 and the first shell fragment 8, and voice coil loudspeaker voice coil 5 can do the motion of the reciprocating cutting magnetic line of force under the active force of electromagnetic field, and drive is attached thereto the vibrating diaphragm 4 connect and vibrates, outwardly radiative acoustic wave, realizes the transformation of energy of electric energy harmony.
Pass through technique scheme, electric connection structure is set to the first shell fragment 8 and the second shell fragment 9, the two is fixed by laser welding conducting in side, not only space can be saved, and its fix and the reliability of conducting high, use more convenient, the space that above-mentioned electric connection structure is saved can maximize for magnetic circuit to greatest extent, thus significantly can promote the performance of loudspeaker monomer; In addition, in the technical program, the both sides of the second shell fragment 9 are fixed with the first shell fragment 8 and shell 7 respectively, can ensure the secure bond of itself and shell 7, realize it and have good reliability when pressing down work.
Consult shown in Fig. 3 and Fig. 4, Microspeaker of the present utility model, first shell fragment 8 is different with the second shell fragment 9 structure, the extension (not shown) that first shell fragment 8 comprises the first base portion 81, the first sidepiece 82 extended vertically downward from the side of the first base portion 81 and extends vertically upward from the opposite side of the first base portion 81, wherein, be between the first base portion 81 and the first sidepiece 82, extension and be connected smoothly.The 3rd sidepiece 93 that second shell fragment 9 then comprises the second base portion 91, the second sidepiece 92 extended vertically downward from the side of the second base portion 91 and extends vertically downward from the opposite side of the second base portion 92,3rd sidepiece 93 is away from the outside horizontal-extending in one end of the second base portion 91, same, second base portion 91 and the second sidepiece 92, the 3rd sidepiece 93 are also for being connected smoothly, and the edge of one of them minor axis of the second base portion 91 is provided with the kink 94 that another short-axis direction to the second base portion 91 extends.
In addition, due to the second shell fragment 9 belong to after shoot sheet, the side of shell 7 needs the thickness space abdicating the second shell fragment 9, therefore, the position of the second sidepiece 92 of corresponding second shell fragment 9 of sidewall of shell 7 is provided with expects that groove 12, second sidepiece 92 formed is taken in groove 12.Meanwhile, the width of groove 12 cell body should be greater than or equal to the thickness of the second sidepiece 92, only in this way, just can not exceed the maximum profile of monomer after the second shell fragment 9 assembles.
Consult shown in Fig. 3 and Fig. 4, the side of the second shell fragment 9 is that the first sidepiece 82 of its second sidepiece 92, first shell fragment 8 is exposed to outside at least partly, is convenient to fit with the second sidepiece 92, and is fixed by laser welding conducting.
In present embodiment, glue groove 10, just to the first base portion 81 of the first shell fragment 8 and the 3rd sidepiece 93 of the second shell fragment 9, goes material to be formed by the sidewall of shell 7, and the 3rd sidepiece 93 bonds fixing by the colloid 11 in glue groove 10 and shell 7.Correspondingly, first base portion 81 also should ensure to be exposed to outside at least partly, fit with the 3rd sidepiece 93, first base portion 81 and the 3rd sidepiece 93 can pass through laser welding conducting, and then it is fixing to be bondd by colloid 11, also can be directly fixed by the colloid 11 in glue groove 10, that is, in present embodiment, the conducting of the first shell fragment 8 and the second shell fragment 9 is mainly realized by the welding conducting at the first sidepiece 82 and the second sidepiece 92 place.
In present embodiment, the first shell fragment 8 and the second shell fragment 9 are stainless steel.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (10)
1. a Microspeaker, involving vibrations system and auxiliary system; Described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil; The protecgulum that described auxiliary system comprises shell and matches with described shell; Described shell is combined with electrical connector, it is characterized in that: described electrical connector comprises the first shell fragment be electrically connected with the lead-in wire of described voice coil loudspeaker voice coil and the second shell fragment be electrically connected with external circuit; Described first shell fragment and described shell integrated injection molding; The space to be preserved in the corresponding described first shell fragment front of described shell has glue groove; The side of described second shell fragment is corresponding with described first shell fragment fits, and laser welding conducting; Colloid is filled with in described glue groove; Described second shell fragment and described shell are fixed by described colloid.
2. Microspeaker according to claim 1, is characterized in that: the extension that described first shell fragment comprises the first base portion, the first sidepiece extended vertically downward from the side of described first base portion and extends vertically upward from the opposite side of described first base portion; All be connected smoothly between described first base portion and described first sidepiece, described extension.
3. Microspeaker according to claim 1, is characterized in that: the 3rd sidepiece that described second shell fragment comprises the second base portion, the second sidepiece extended vertically downward from the side of described second base portion and extends vertically downward from the opposite side of described second base portion; Described 3rd sidepiece is away from the outside horizontal-extending in one end of described second base portion; Described second base portion and described second sidepiece, described 3rd sidepiece are connected smoothly; The edge of one of them minor axis of described second base portion is provided with the kink that another short-axis direction to described second base portion extends.
4. Microspeaker according to claim 1, is characterized in that: the position of the second sidepiece of corresponding described second shell fragment of sidewall of described shell is provided with the groove of material formation; Second sidepiece of described second shell fragment is taken in described groove.
5. Microspeaker according to claim 4, is characterized in that: the width of described groove cell body is greater than or equal to the thickness of described second sidepiece.
6. Microspeaker according to claim 1, is characterized in that: the side of described second shell fragment is the second sidepiece; First sidepiece of described first shell fragment is exposed to outside at least partly, fits, and fixed by laser welding conducting with described second sidepiece.
7. Microspeaker according to claim 1, is characterized in that: described glue groove, just to the first base portion of described first shell fragment and the 3rd sidepiece of described second shell fragment, goes material to be formed by the sidewall of described shell; 3rd sidepiece of described second shell fragment is fixed by the colloid in described glue groove and described shell.
8. Microspeaker according to claim 7, is characterized in that: described first base portion is exposed to outside at least partly, fits with described 3rd sidepiece; Described first base portion and described 3rd sidepiece can pass through laser welding conducting, also can be fixed by the colloid in described glue groove.
9. Microspeaker according to claim 1, is characterized in that: described first shell fragment and described second shell fragment are stainless steel.
10. Microspeaker according to claim 1, is characterized in that: described Microspeaker also comprises magnetic circuit system; Described magnetic circuit system comprises frame, is fixed on the magnet in described frame and is covered in the washer of described magnet surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408964.XU CN204948347U (en) | 2015-06-13 | 2015-06-13 | Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408964.XU CN204948347U (en) | 2015-06-13 | 2015-06-13 | Microspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204948347U true CN204948347U (en) | 2016-01-06 |
Family
ID=55015731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520408964.XU Active CN204948347U (en) | 2015-06-13 | 2015-06-13 | Microspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204948347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959887A (en) * | 2016-06-29 | 2016-09-21 | 歌尔股份有限公司 | Loud speaker and loud speaker module |
-
2015
- 2015-06-13 CN CN201520408964.XU patent/CN204948347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959887A (en) * | 2016-06-29 | 2016-09-21 | 歌尔股份有限公司 | Loud speaker and loud speaker module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |