CN102196339A - Vibration loudspeaker - Google Patents
Vibration loudspeaker Download PDFInfo
- Publication number
- CN102196339A CN102196339A CN2011101292183A CN201110129218A CN102196339A CN 102196339 A CN102196339 A CN 102196339A CN 2011101292183 A CN2011101292183 A CN 2011101292183A CN 201110129218 A CN201110129218 A CN 201110129218A CN 102196339 A CN102196339 A CN 102196339A
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- central part
- magnetic
- magnetic conduction
- limit
- extension
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- 239000002184 metal Substances 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 13
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a vibration loudspeaker. A vibration unit of the vibration loudspeaker comprises a square magnetic circuit system and a metal dome used for suspending the magnetic circuit system in an auxiliary system. The metal dome comprises a squarely annular central part, a first elastic arm and a second elastic arm, wherein the central part is sleeved on the periphery of a magnetic conducting part, fixed on a magnetic conducting base corresponding to a magnetic interval, and is provided with a first side and a second side which are opposite to each other; the first elastic arm is led out of the first side of the central part, and is bent and extended along the first side of the central part; the end part of the first elastic arm is fixed on a plastic shell of the auxiliary system; the second elastic arm is led out of the second side of the central part, and is bent and extended along the second side of the central part; and the end part of the second elastic arm is fixed on the plastic shell of the auxiliary system. The vibration loudspeaker can provide stable vibration feel at the same time of improving product performance by increasing the magnet size of the magnetic circuit system.
Description
Technical field
The present invention relates to the vibrating speaker technical field.
Background technology
Development along with the portable terminal consumer electronics product, people are also more and more stronger to the functional requirement of product, on functions such as mobile phone Music Appreciation, in order to make entertainment effect stronger, the pattern that the band vibration occurred in playing back music also strengthens gradually to the performance requirement of the loud speaker of band vibrating function.
Known, vibrating speaker is mainly established by a sheathed flexure strip on the fixed magnetic circuit in the conventional loudspeakers product is hanged magnetic circuit system, and increase the sense of shaking by sheathed mass on magnetic circuit system, when being connected with the audio signal of upper frequency in the vibrating speaker, the quality of establishing part because of magnetic circuit system etc. is outstanding is bigger, the frequency of audio signal is far above its resonance frequency, and voice coil loudspeaker voice coil will promote the vibrating diaphragm vibration sounding; Otherwise when being connected with low frequency signal, magnetic circuit system will produce vibration, thereby makes vibrating speaker produce the sense of shaking.
In the shell fragment technology of traditional structure, for ease of design and fixing, generally shell fragment is set to circle, and is set in the edge of magnetic circuit system, and corresponding magnetic circuit system also is set to circle, this design, the vibrating speaker of circular configuration needs bigger installing space, and along with the volume of portable electric appts such as mobile phone reduces, the volume of corresponding vibrating speaker constantly reduces, the size of magnet is restricted, and will influence the output volume and the tonequality of vibrating speaker.
So, be necessary the vibrating speaker structure of said structure is further improved, to avoid above-mentioned defective.
Summary of the invention
Technical problem to be solved by this invention is: a kind of vibrating speaker is provided, with when improving properties of product, can provides the stable sense of shaking in the magnet size that increases the vibrating speaker magnetic circuit system.
For solving the problems of the technologies described above, technical scheme of the present invention is: vibrating speaker comprises: auxiliary system, described auxiliary system comprise secure bond plastic casing and bottom together; Vibration unit, described vibration unit comprise magnetic circuit system and are used for magnetic circuit system is suspended in metal clips in the described auxiliary system; Described magnetic circuit system is square, comprise the outer magnetic conductive board, external magnet and the magnetic conduction base that combine from top to bottom, described magnetic conduction base is provided with the magnetic conduction portion of projection, the both sides of described magnetic conduction portion are provided with described external magnet, described external magnet be bar shaped and and described magnetic conduction portion between form magnetic gap.Wherein, described metal clips comprises: the central part of square ring-type, described central part is set in the periphery of described magnetic conduction portion and is fixed on the magnetic conduction base of described magnetic gap correspondence, and described central part has the first relative limit and second limit that is positioned at described magnetic conduction portion two ends; First elasticity arm of drawing by described central part first limit, described first elasticity arm is along the direction bending extension on described central part first limit, described first elasticity arm comprises first kink towards an end on described central part first limit, and first extension towards the other end on described central part first limit that is connected with described first kink, the end of described first extension is fixed on the described plastic casing; Second elasticity arm of drawing by described central part second limit, described second elasticity arm is along the direction bending extension on described central part second limit, described second elasticity arm comprises second kink towards an end on described central part second limit, and second extension towards the other end on described central part second limit that is connected with described second kink, the end of described second extension is fixed on the described plastic casing; Described first kink and described second kink are the diagonal setting.
As a kind of optimized technical scheme, described bottom is the groove shape bottom of the end opening that is made of base plate and flanging, is provided with installation gap at the openend of described bottom and described flanging near the position of described base plate; Described shell comprises concave edges, and described concave edges is inserted to described bottom inside from the openend of described bottom, and is provided with the installation base that is plugged in the described installation gap on described concave edges.
As a kind of optimized technical scheme, described magnetic conduction portion comprises the internal magnet of being located on the described magnetic conduction base, and is located at the interior magnetic conductive board on the described internal magnet.
As a kind of optimized technical scheme, the central part of described metal clips and described magnetic conduction base bonding or welding are fixing.
As a kind of optimized technical scheme, the end of the end of described first extension and described second extension all combines with described plastic casing injection moulding.
As a kind of optimized technical scheme, the density of described magnetic conduction base is greater than 7.8g/cm
3, the density of described outer magnetic conductive board is greater than 7.8g/cm
3
After having adopted technique scheme, the invention has the beneficial effects as follows: in the vibration unit of the present invention, magnetic circuit system is square, metal clips comprises central part and first elasticity arm and second elasticity arm of being drawn by central part, wherein, and the central part side of being ring-type and being fixed on the magnetic conduction base of magnetic gap correspondence, not only saved and taken up room, under the condition that the vibrating speaker volume reduces, can guarantee the size of magnetic circuit system, guarantee vibrating speaker output quality and tonequality; And central part is fixed in the magnetic gap, makes metal clips have the magnetic conduction effect concurrently, can increase the magnetic flux of magnetic circuit system, improves the performance of vibrating speaker.
Adopt two elasticity arms, can avoid the bending direction rotation of magnetic circuit system along one of them elasticity arm; In two gaps of elasticity arm between magnetic circuit system and shell along the direction bending extension of central part limit portion, it is little to take up room, on the basis of this structure, what the size of magnet can be done in the magnetic circuit system is bigger, with output quality and the tonequality that improves vibrating speaker, the performance of improving vibrating speaker; Two elasticity arms all have kink, more help alleviating the stress that produces in the vibration processes, help to improve metal clips fatigue life.In sum, the present invention with when improving properties of product, can provide the stable sense of shaking in the magnet size that increases the vibrating speaker magnetic circuit system.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the invention;
Fig. 2 is the cross-sectional view of the embodiment of the invention;
Fig. 3 is the structural representation of the embodiment of the invention;
Fig. 4 is the structural representation of vibration unit in the embodiment of the invention;
Fig. 5 is the structural representation of metal clips in the embodiment of the invention;
Fig. 6 is the vertical view after the assembling of metal clips and shell in the embodiment of the invention;
Fig. 7 is the structural representation after the assembling of metal clips and shell in the embodiment of the invention;
Among the figure: 11. loam cakes, 12. plastic casings, 121. installation bases, 122. concave edges, 13. bottoms, 131. base plates, 132. flanging, 133. installation gaps, 21. vibrating diaphragms, 22. voice coil loudspeaker voice coil, 23. composite beds, 311. outer magnetic conductive boards, 312. interior magnetic conductive board, 321. external magnets, 322. internal magnets, 33. the magnetic conduction base, 4. metal clips, 41. central parts, 411. first limit, 412. second limits, 42. first elasticity arms, 421. first kink, 422. first extension, 43. second elasticity arms, 431. second kinks, 432. second extension, 5. electrical connector.
Embodiment
In the following description, only the mode by explanation is described some one exemplary embodiment of the present invention, undoubtedly, those of ordinary skill in the art can recognize, under situation without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used to limit the protection range of claim.In addition, in this manual, identical Reference numeral indicates identical part.
As shown in Figure 1 to Figure 3, vibrating speaker of the present invention is a square structure, comprises auxiliary system, vibrational system and the vibration unit that comprises magnetic circuit system.
Wherein, auxiliary system comprises secure bond metal top cover 11, plastic casing 12 and metal bottom cover 13 together, and the three constitutes the external frame of vibrating speaker.Being provided with electrical connector 5 on shell 12 is used for and being electrically connected of external electronic circuits.Bottom 13 is groove shape bottoms of the end opening that is made of base plate 131 and flanging 132, is provided with installation gap 133 at the openend of bottom 13 and flanging 132 near the position of base plates 131; Shell 12 comprises concave edges 122, and this concave edges 122 is inserted to bottom 13 inside from the openend of bottom 13, and is provided with the installation base 121 that is plugged in the installation gap 133 on concave edges 122.Adopt above-mentioned structure, simplified the packaging technology of bottom 13 with shell 12, during assembling, the concave edges 122 of shell 12 is inserted to bottom 13 inside from the openend of bottom 13, and make installation gap 133 can finish assembling with installation base 121 corresponding being plugged on together, and the assembling of pegging graft of bottom 13 and shell 12 can accurately be located, production technology is more easy, bottom 13 and shell 12 are fixedly secured, bottom and shell assembly yield have been improved, lower the fraction defective of product, guaranteed the stability of properties of product.
Vibrational system is fixed in the auxiliary system, and it comprises vibrating diaphragm 21 and the voice coil loudspeaker voice coil 22 that combines with vibrating diaphragm 21, also is provided with the composite bed 23 that improves vibrating diaphragm 21 performances at the middle part of vibrating diaphragm 21.
Vibration unit comprises magnetic circuit system and is used for magnetic circuit system is suspended in metal clips 4 in the auxiliary system.Magnetic circuit system is square two magnetic route structure, comprises the outer magnetic conductive board 311, external magnet 321 and the magnetic conduction base 33 that combine from top to bottom, and the centre of magnetic conduction base 33 is provided with the magnetic conduction portion of projection.Preferably, this magnetic conduction portion comprises the internal magnet of being located on the magnetic conduction base 33 322, and is located at the interior magnetic conductive board 312 on the internal magnet 322; External magnet 321 is a bar magnet, is provided with two, is separately positioned on the both sides of magnetic conduction portion and keeps certain interval with magnetic conduction portion, to form the magnetic gap of vibrating speaker magnetic circuit system.In this implementation process, preferred, the density of outer magnetic conductive board 311, interior magnetic conductive board 312, external magnet 321, internal magnet 322 and magnetic conduction base 33 is all greater than 7.8g/cm
3, can increase the quality of vibration unit like this, and then improve the sense of shaking of vibrating speaker, and not need to increase mass.
The fixed relationship of metal clips 4 and magnetic circuit system and structure are as shown in Figure 4 and Figure 5.Metal clips 4 adopts the stainless steel material punching press to make, and it comprises central part 41 and first elasticity arm 42 and second elasticity arm 43 of being drawn by central part 41.Wherein, central part 41 side's of being ring-types, it is set in the periphery of magnetic conduction portion and is fixed on the magnetic conduction base 33 of magnetic gap correspondence, and central part 41 is fixing with magnetic conduction base 33 bondings or welding.Central part 41 has the first relative limit 411 and second limit 412, and both sides lay respectively at the two ends of magnetic conduction portion.
As shown in Figure 6 and Figure 7, the end of first extension 422 and second extension 432 is fixed with plastic casing 12 injection mouldings respectively, combines by the injection moulding mode, and technology is more easy.
Combine with the magnetic circuit system of square structure, central part 41 side's of being ring-types of metal clips 4, it is set in the periphery of magnetic conduction portion and is fixed on the magnetic conduction base 33 of magnetic gap correspondence, saved and taken up room, under the condition that the vibrating speaker volume reduces, the size of magnetic circuit system be can guarantee, vibrating speaker output quality and tonequality guaranteed; And central part 41 is fixed in the magnetic gap, makes metal clips have the magnetic conduction effect concurrently, can increase the magnetic flux of magnetic circuit system, improves the performance of vibrating speaker.Two elasticity arms of said structure are set in the metal clips 4, can avoid the bending direction rotation of magnetic circuit system along one of them elasticity arm; In two gaps of elasticity arm between magnetic circuit system and shell 12 along the direction bending extension of central part 41 limit portions, it is little to take up room, on the basis of this structure, what the size of magnet can be done in the magnetic circuit system is bigger, with output quality and the tonequality that improves vibrating speaker, the performance of improving vibrating speaker; Two elasticity arms all have kink, more help alleviating the stress that produces in the vibration processes, help to improve metal clips fatigue life; The kink of two elasticity arms is the diagonal setting, and by the upwards bending backward then downwards more earlier of position, central part leading point, the part of the position, overcenter portion leading point, end of the extension that is attached thereto upwards lifts and the end is combined on the shell by injection moulding, adopt said structure, under the condition that the vibrating speaker volume reduces, guaranteed sufficient oscillation space, and guaranteed that direction of vibration is vertical, for vibrating speaker provides the stable sense of shaking.
In implementation process of the present invention, the central part 41 of metal clips 4 also can disconnect, as metal clips 4 is divided into two independent parts; Magnetic circuit system also can be an external magnetic type structure, and promptly magnetic conduction portion and magnetic conduction base are integrative-structures.The neither enforcement that influences the invention of above-mentioned improvement.
Under above-mentioned instruction of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description; and these improvement and distortion; all drop in protection scope of the present invention; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained purpose of the present invention, and protection scope of the present invention is limited by claim and equivalent thereof.
Claims (7)
1. vibrating speaker comprises:
Auxiliary system, described auxiliary system comprise secure bond plastic casing and bottom together;
Vibration unit, described vibration unit comprise magnetic circuit system and are used for magnetic circuit system is suspended in metal clips in the described auxiliary system; Described magnetic circuit system is square, comprise the outer magnetic conductive board, external magnet and the magnetic conduction base that combine from top to bottom, described magnetic conduction base is provided with the magnetic conduction portion of projection, the both sides of described magnetic conduction portion are provided with described external magnet, described external magnet be bar shaped and and described magnetic conduction portion between form magnetic gap;
It is characterized in that described metal clips comprises:
The central part of Fang Huanzhuan, described central part are set in the periphery of described magnetic conduction portion and are fixed on the magnetic conduction base of described magnetic gap correspondence, and described central part has the first relative limit and second limit that is positioned at described magnetic conduction portion two ends;
First elasticity arm of drawing by described central part first limit, described first elasticity arm is along the direction bending extension on described central part first limit, described first elasticity arm comprises first kink towards an end on described central part first limit, and first extension towards the other end on described central part first limit that is connected with described first kink, the end of described first extension is fixed on the described plastic casing;
Second elasticity arm of drawing by described central part second limit, described second elasticity arm is along the direction bending extension on described central part second limit, described second elasticity arm comprises second kink towards an end on described central part second limit, and second extension towards the other end on described central part second limit that is connected with described second kink, the end of described second extension is fixed on the described plastic casing;
Described first kink and described second kink are the diagonal setting.
2. vibrating speaker as claimed in claim 1 is characterized in that: described bottom is the groove shape bottom of the end opening that is made of base plate and flanging, is provided with installation gap at the openend of described bottom and described flanging near the position of described base plate;
Described shell comprises concave edges, and described concave edges is inserted to described bottom inside from the openend of described bottom, and is provided with the installation base that is plugged in the described installation gap on described concave edges.
3. vibrating speaker as claimed in claim 1 is characterized in that: described magnetic conduction portion comprises the internal magnet of being located on the described magnetic conduction base, and is located at the interior magnetic conductive board on the described internal magnet.
4. vibrating speaker as claimed in claim 1 is characterized in that: the central part of described metal clips and described magnetic conduction base bonding or welding are fixing.
5. vibrating speaker as claimed in claim 1 is characterized in that: the end of the end of described first extension and described second extension all combines with described plastic casing injection moulding.
6. as the described vibrating speaker of the arbitrary claim of claim 1 to 5, it is characterized in that: the density of described magnetic conduction base is greater than 7.8g/cm
3
7. vibrating speaker as claimed in claim 6 is characterized in that: the density of described outer magnetic conductive board is greater than 7.8g/cm
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110129218.3A CN102196339B (en) | 2011-05-19 | 2011-05-19 | Vibration loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110129218.3A CN102196339B (en) | 2011-05-19 | 2011-05-19 | Vibration loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102196339A true CN102196339A (en) | 2011-09-21 |
| CN102196339B CN102196339B (en) | 2014-01-22 |
Family
ID=44603601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110129218.3A Expired - Fee Related CN102196339B (en) | 2011-05-19 | 2011-05-19 | Vibration loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102196339B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105681981A (en) * | 2016-01-11 | 2016-06-15 | 瑞声光电科技(常州)有限公司 | Multifunctional loudspeaker |
| WO2017045465A1 (en) * | 2015-09-15 | 2017-03-23 | 歌尔股份有限公司 | Receiver |
| CN103763667B (en) * | 2013-12-31 | 2017-10-13 | 瑞声声学科技(深圳)有限公司 | Multifunctional electroacoustic device |
| CN109451408A (en) * | 2018-12-27 | 2019-03-08 | 瑞声声学科技(深圳)有限公司 | Contact terminal and loudspeaker |
| CN112929801A (en) * | 2021-03-04 | 2021-06-08 | 歌尔股份有限公司 | Speaker and electronic apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308418A (en) * | 1999-12-17 | 2001-08-15 | 三星电机株式会社 | Vibrating loudspeaker |
| JP2002345061A (en) * | 2001-05-22 | 2002-11-29 | Foster Electric Co Ltd | Bodily feeling acoustic device |
| CN201839428U (en) * | 2010-07-09 | 2011-05-18 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN202068559U (en) * | 2011-05-19 | 2011-12-07 | 歌尔声学股份有限公司 | Vibrating loudspeaker |
-
2011
- 2011-05-19 CN CN201110129218.3A patent/CN102196339B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308418A (en) * | 1999-12-17 | 2001-08-15 | 三星电机株式会社 | Vibrating loudspeaker |
| JP2002345061A (en) * | 2001-05-22 | 2002-11-29 | Foster Electric Co Ltd | Bodily feeling acoustic device |
| CN201839428U (en) * | 2010-07-09 | 2011-05-18 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN202068559U (en) * | 2011-05-19 | 2011-12-07 | 歌尔声学股份有限公司 | Vibrating loudspeaker |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103763667B (en) * | 2013-12-31 | 2017-10-13 | 瑞声声学科技(深圳)有限公司 | Multifunctional electroacoustic device |
| WO2017045465A1 (en) * | 2015-09-15 | 2017-03-23 | 歌尔股份有限公司 | Receiver |
| US10244329B2 (en) | 2015-09-15 | 2019-03-26 | GoeItek Inc. | Receiver |
| CN105681981A (en) * | 2016-01-11 | 2016-06-15 | 瑞声光电科技(常州)有限公司 | Multifunctional loudspeaker |
| CN109451408A (en) * | 2018-12-27 | 2019-03-08 | 瑞声声学科技(深圳)有限公司 | Contact terminal and loudspeaker |
| CN109451408B (en) * | 2018-12-27 | 2021-06-11 | 瑞声声学科技(深圳)有限公司 | Contact terminal and speaker |
| CN112929801A (en) * | 2021-03-04 | 2021-06-08 | 歌尔股份有限公司 | Speaker and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102196339B (en) | 2014-01-22 |
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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. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 |