CN203368742U - Loudspeaker monomer and loudspeaker module accepting same - Google Patents
Loudspeaker monomer and loudspeaker module accepting same Download PDFInfo
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- CN203368742U CN203368742U CN 201320452732 CN201320452732U CN203368742U CN 203368742 U CN203368742 U CN 203368742U CN 201320452732 CN201320452732 CN 201320452732 CN 201320452732 U CN201320452732 U CN 201320452732U CN 203368742 U CN203368742 U CN 203368742U
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- loudspeaker
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Abstract
The utility model discloses a loudspeaker monomer and a loudspeaker module accepting the same, and relates to the electroacoustical product technology field. The monomer comprises a monomer shell and a monomer front cover combined as one, a vibration system and a magnetic circuit system are accepted in a cavity defined by the monomer shell and the monomer front cover, and the back end edge part of the monomer shell is equipped with a stepped structure. The stepped structure comprises a stepped surface and a stepped side surface used for connecting a back end face of the monomer shell and the stepped surface, the stepped surface is equipped with a first sound aperture for communicating an inner cavity of the monomer and the world outside the monomer, and the above loudspeaker monomer is accepted in a module shell. The loudspeaker monomer of the utility model has the advantages of high acoustic performance, long service life, etc., thereby improving the acoustic performance and service life of the loudspeaker module accepting the loudspeaker monomer.
Description
Technical field
The utility model relates to the electro-acoustic product technical field, particularly a kind of loudspeaker monomer and contain the loud speaker module of this loudspeaker monomer.
Background technology
Develop rapidly along with electronic industry, portable electric appts is easy to carry with it, complete function, can meet many-sided demand such as people's online, communication and amusement and be favourably welcome, and as the loud speaker module of the important acoustic element of electronic equipment, also is widely used.Because the kind of portable electric appts is various, structure is also different, so it is not identical to be arranged on the structure of the loud speaker module in portable electric appts yet.
The structure of existing loud speaker module is to comprise module shell, contains loudspeaker monomer in module shell, and module shell is comprised of at least two housings.Get used in this area, by the end of speaking of loudspeaker monomer, towards audience's a end, being defined as the front end of loudspeaker monomer, the other end of loudspeaker monomer is defined as to rear end.In order to meet the slimming development of loud speaker module, reduce the thickness of loud speaker module, that in design, need to be tried one's best in the rear end face of loudspeaker monomer and the space between module shell is little.
Yet the structure of existing loudspeaker monomer is as shown in Figure 1, comprise the monomer shell 10a and the monomer protecgulum 20a that are combined as a whole, the rear end face of monomer shell 10a is provided with some sound hole 12, and sound hole 12 sizes are less.The loudspeaker monomer of this kind of structure is because the sound hole is less, and the heat produced while making loudspeaker monomer work is difficult for distributing, thus serious impact the useful life of loudspeaker monomer.Sound hole due to the loudspeaker monomer of this kind of structure is arranged on the rear end face of loudspeaker monomer again, can only be from the short transverse radiative acoustic wave, after being arranged in module shell by this loudspeaker monomer, the sound hole can be easy to be blocked by module shell, make sound wave be difficult to be radiated in the rear operatic tunes of loud speaker module, make the air pressure in the loudspeaker monomer inner chamber unbalanced, thereby reduced the acoustical behavior of loud speaker module.
The utility model content
First technical problem to be solved in the utility model is to provide a kind of loudspeaker monomer, this loudspeaker monomer in being installed to the loud speaker module after, the sound hole can not blocked by module shell, sound wave can be radiated in the rear operatic tunes of module very smoothly, air pressure equilibrium in the inner chamber of loudspeaker monomer, improved the acoustical behavior of loud speaker module.
Further, first technical problem to be solved in the utility model is to provide a kind of loudspeaker monomer, this loudspeaker monomer in being installed to the loud speaker module after, the sound hole can not blocked by module shell, sound wave can be radiated in the rear operatic tunes of module very smoothly, air pressure equilibrium in the inner chamber of loudspeaker monomer, improved the acoustical behavior of loud speaker module; And this loudspeaker monomer perfect heat-dissipating, long service life.
Second technical problem to be solved in the utility model is to provide a kind of loud speaker module, this loud speaker module long service life, and acoustical behavior is high.
For solving above-mentioned first technical problem, the technical solution of the utility model is:
A kind of loudspeaker monomer, comprise the monomer shell and the monomer protecgulum that are combined as a whole, contain vibrational system and magnetic circuit system in the cavity that described monomer shell and monomer protecgulum surround, the back edge position of described monomer shell is provided with sagging hierarchic structure, described hierarchic structure comprises step surface, between described step surface and described monomer outer casing back face, by step side, is connected; Described step surface is provided with the first sound hole that is communicated with monomer inner chamber and the monomer external world.
Wherein, described magnetic circuit system comprises external magnetic circuit and internal magnetic circuit, and the parts that form described external magnetic circuit are provided with some breach; Described step side is provided with the rising tone hole that is communicated with described monomer inner chamber and the described monomer external world, and described rising tone hole is corresponding with described breach.
Wherein, described first sound hole is connected with described rising tone hole.
Wherein, described loudspeaker monomer is rectangular configuration, and the major axis that defines described loudspeaker monomer is Y-axis, and the minor axis of described loudspeaker monomer is X-axis, and the longitudinal axis of described loudspeaker monomer is Z axis.
As a kind of execution mode, described hierarchic structure is arranged on a side minor axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is Y direction.
As another kind of execution mode, described hierarchic structure is arranged on the both sides minor axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is Y direction.
As another execution mode, described hierarchic structure is arranged on a side major axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is X-direction.
As another execution mode, described hierarchic structure is arranged on the both sides major axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is X-direction.
For solving above-mentioned second technical problem, the technical solution of the utility model is:
A kind of loud speaker module, comprise module shell, contains above-mentioned loudspeaker monomer in described module shell.
Wherein, described module shell comprises the first housing and the second housing combined, and described the first housing contacts with the rear end face of described loudspeaker monomer.
After having adopted technique scheme, the beneficial effects of the utility model are:
Because the back edge position of the monomer shell of the utility model loudspeaker monomer is provided with sagging hierarchic structure, the step surface of hierarchic structure is provided with the first sound hole that is communicated with monomer inner chamber and the monomer external world.The position in first sound hole is away from the rear end face of loudspeaker monomer, therefore after the utility model loudspeaker monomer is installed in module, the first sound hole can not blocked by module shell, sound wave can be radiated in the rear operatic tunes of loud speaker module very smoothly, thereby guaranteed the air pressure equilibrium in loudspeaker monomer, improved the acoustical behavior that the utility model loud speaker module is installed.
Because step side is provided with the rising tone hole that is communicated with monomer inner chamber and the monomer external world, the side of the aperture position in rising tone hole in loudspeaker monomer, therefore can directly sound wave be radiated from the monomer inner chamber to the rear operatic tunes of module, can not blocked by module shell; Increase behind the rising tone hole total area that has also increased the sound hole simultaneously, the gross area change in sound hole is conducive to greatly the loudspeaker monomer heat radiation, can so that loudspeaker monomer when work the heat that produces distribute timely, effectively extended the useful life of loudspeaker monomer.
Owing in the utility model loud speaker module, containing above-mentioned loudspeaker monomer, therefore the utility model loud speaker module has long service life, the advantage that acoustical behavior is high.
In sum, it is short useful life that the utility model loudspeaker monomer and the loud speaker module that contains this loudspeaker monomer have solved in prior art the loud speaker module, the technical problem that acoustical behavior is poor.It is high that the utility model loudspeaker monomer has acoustical behavior, the advantages such as long service life, thereby acoustical behavior and the useful life of having improved the loud speaker module that contains this loudspeaker monomer.
The accompanying drawing explanation
Fig. 1 is the perspective view of loudspeaker monomer in background technology;
Fig. 2 is the perspective view of the utility model loudspeaker monomer embodiment mono-;
Fig. 3 is the planar structure schematic diagram of the utility model loudspeaker monomer embodiment mono-;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the A-A line cutaway view of Fig. 3;
Fig. 6 is the cross-sectional view of the utility model loud speaker module;
In figure: 10a, monomer shell, 10b, monomer shell, 12, the sound hole, 14, rising tone hole, 16a, first sound hole, 16b, first sound hole, 18, step surface, 19, step side, 20a, monomer protecgulum, 20b, monomer protecgulum, 30, vibrating diaphragm, 32, the ball top, 34, voice coil loudspeaker voice coil, 40, the basin frame, 50, pad, 60, the first housing, the 70, second housing.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Embodiment mono-:
As shown in Fig. 2 and Fig. 3 are common, a kind of loudspeaker monomer, be rectangular configuration, and the major axis of definition loudspeaker monomer is Y-axis, and the minor axis of loudspeaker monomer is X-axis, and the longitudinal axis of loudspeaker monomer is Z axis.Loudspeaker monomer comprises monomer shell 10b and the monomer protecgulum 20b be combined as a whole; contain vibrational system and magnetic circuit system in the cavity that monomer shell 10b and monomer protecgulum 20b surround; the basin frame 40 of magnetic circuit system is fixed in the rear end of monomer shell 10b; the front end of monomer shell 10b is combined with monomer protecgulum 20b, and monomer protecgulum 20b for the protection of the vibrating diaphragm 30(of vibrational system as shown in Figure 5).The back edge position of monomer shell 10b mono-side minor axis is provided with sagging hierarchic structure, hierarchic structure comprises step surface 18, step surface 18 is parallel with the rear end face of monomer shell 10b, between the rear end face of step surface 18 and monomer shell 10b, by step side 19, be connected, step side 19 is vertical with the rear end face of monomer shell 10b.Step surface 18 is provided with the first sound hole that is communicated with monomer inner chamber and the monomer external world, and the first sound hole is provided with four altogether, and its opening direction is Z-direction.The first sound hole comprises the first sound hole 16b of two rectangles that are located at centre position, also comprises the first sound hole 16a of two arcs that are positioned at two ends.Due to the position in the first sound hole rear end face away from loudspeaker monomer, therefore after loudspeaker monomer is installed in module, the first sound hole can not blocked by module shell, sound wave can be radiated in the rear operatic tunes of loud speaker module very smoothly, thereby guaranteed the air pressure equilibrium in loudspeaker monomer, improved the acoustical behavior of loud speaker module.
As shown in Fig. 4 and Fig. 5 are common, step side 19 is provided with two rising tone holes 14 that are communicated with monomer inner chambers and the monomer external world, and the opening direction in rising tone hole 14 is Y direction.The magnetic circuit system of loudspeaker monomer comprises the basin frame 40 combined with monomer shell 10b, and basin frame 40 is provided with internal magnetic circuit and external magnetic circuit, between internal magnetic circuit and external magnetic circuit, is provided with magnetic gap.External magnetic circuit can be that external magnet and the outer washer (not shown in accompanying drawing) on being arranged on basin frame 40 forms; Can be also that sidewall (not shown) by basin frame 40 forms.External magnetic circuit is interrupted circulus, is being positioned at magnetic gap along on the bearing of trend of Y-axis, being provided with breach, two rising tone holes 14 respectively be positioned at minor axis on two breach corresponding.Rising tone hole 14 is corresponding with the breach of external magnetic circuit is in order to prevent that the rising tone hole 14 from being blocked by external magnetic circuit, can to guarantee that the sound wave in the loudspeaker monomer inner chamber is radiated in the rear operatic tunes of module more smoothly.The opening direction in rising tone hole 14 is Y direction, therefore can not blocked by module shell, can directly sound wave be radiated from the monomer inner chamber to the rear operatic tunes of module.
As shown in Fig. 2 and Fig. 5 are common, two first sound hole 16a that are positioned at two ends are corresponding with 14 position, rising tone hole, and first sound hole 16a is connected with rising tone hole 14.The more effective structure of utilizing monomer shell 10b of the structure that first sound hole 16a is connected with rising tone hole 14, simplified the difficulty of processing of monomer shell 10b, also further increased the gross area in sound hole, is more conducive to the radiation of sound wave and distributing of heat simultaneously.
As shown in Figure 5, the vibrational system of loudspeaker monomer comprises that edge part is fixed on the vibrating diaphragm 30 between monomer shell 10b and monomer protecgulum 20b, vibrating diaphragm 30 is provided with ball top 32 with respect to the middle side part of monomer protecgulum 20b, the opposite side secure bond of vibrating diaphragm 30 has voice coil loudspeaker voice coil 34, and the end of voice coil loudspeaker voice coil 34 is in magnetic gap.Voice coil loudspeaker voice coil 34 carries out reciprocal cutting magnetic line movement according to the size and Orientation of the electric current by coil, and drives vibrating diaphragm 30 vibrations, and the vibration of vibrating diaphragm 30 has produced a driving force to air, forms sound wave, thereby completes the conversion of electroacoustic.
As shown in Figure 5, the upper injection moulding of monomer shell 10b is combined with pad 50, and pad 50 is for being electrically connected to the external circuit of voice coil loudspeaker voice coil 34 and loudspeaker monomer.
Quantity and shape for first sound hole and rising tone hole are not limited in the situation of describing in the present embodiment, those skilled in the art can be increased and decreased and be changed according to structure or the size of monomer shell in actual applications, as long as can meet the radiation of sound wave and the specification requirement of heat radiation.
Embodiment bis-:
A kind of loudspeaker monomer, present embodiment and embodiment mono-are basic identical, and its difference is:
Hierarchic structure is arranged on the both sides minor axis of loudspeaker monomer, and the opening direction that is positioned at the first sound hole on step surface is Z-direction, and the opening direction that is positioned at the rising tone hole on step side is Y direction.
Embodiment tri-:
A kind of loudspeaker monomer, present embodiment and embodiment mono-are basic identical, and its difference is:
Hierarchic structure is arranged on a side major axis of loudspeaker monomer, and the opening direction that is positioned at the first sound hole on step surface is Z-direction, and the opening direction that is positioned at the rising tone hole on step side is X-direction.Breach on the external magnetic circuit of loudspeaker monomer is arranged at magnetic gap along on the bearing of trend of X-axis, and rising tone hole is corresponding with the breach on external magnetic circuit.
Embodiment tetra-:
A kind of loudspeaker monomer, present embodiment and embodiment tri-are basic identical, and its difference is:
Hierarchic structure is arranged on the both sides major axis of loudspeaker monomer, and the opening direction that is positioned at the first sound hole on step surface is Z-direction, and the opening direction that is positioned at the rising tone hole on step side is X-direction.
The structure of the utility model loudspeaker monomer is not limited to the described rectangular configuration of above-described embodiment, this kind is provided with sagging hierarchic structure in the edge of monomer shell, and hierarchic structure intersect and Liang Ge plane, end away from the monomer shell on be equipped with the technical scheme in sound hole, can be applied in track type equally, on the loudspeaker monomer of round rectangle or circle, be not easy to be radiated the operatic tunes after module in order to sound wave after solving loudspeaker monomer and being installed in the loud speaker module, make the air pressure of loudspeaker monomer inner chamber unbalanced, and the technical problem such as the loudspeaker monomer heat dispersion is poor.Due to just simple peculation on the loudspeaker monomer that the technical solution of the utility model is applied in to track type, round rectangle or circle, not needing those skilled in the art to pay performing creative labour can realize, therefore omit at this for the explanation of track type, round rectangle and circular loudspeakers monomer.
Embodiment five:
As shown in Figure 6, a kind of loud speaker module, comprise module shell, module shell comprises the first housing 60 and the second housing 70 combined, contain above-mentioned loudspeaker monomer in the module inner chamber that the first housing 60 and the second housing 70 surround, the inner surface of the first housing 60 contacts with the rear end face of loudspeaker monomer.
Due to the sound hole of the loudspeaker monomer rear end face away from loudspeaker monomer, away from the first housing 60 of loud speaker module, even can not have influence on sound wave in loudspeaker monomer to operatic tunes radiation after module so the first housing 60 contacts with the rear end face of loudspeaker monomer yet, and the first housing 60 contacts and can effectively reduce the height of loud speaker module with the rear end face of loudspeaker monomer, when having guaranteed loud speaker module acoustical behavior, make the loud speaker module become thinner, more can meet the requirement of loud speaker module slimming development.
Structure for module shell is not limited to the described structure of the present embodiment; because kind and the structure of portable electric appts has a lot; it is also varied causing structure and the profile of loud speaker module; two shell structures as in the embodiment described in; also have three shell structures; and the surface of housing is arc or irregularly shaped etc.; at this, can not exemplify one by one, therefore all fall into protection range of the present utility model so long as contain the loud speaker module of loudspeaker monomer described in the utility model in module shell.
The first sound hole of naming in the utility model and rising tone hole, and the first housing and the second housing, be in order to distinguish technical characterictic, not the erection sequence between representative feature or job order etc.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection range of the present utility model.
Claims (10)
1. loudspeaker monomer, comprise the monomer shell and the monomer protecgulum that are combined as a whole, contain vibrational system and magnetic circuit system in the cavity that described monomer shell and monomer protecgulum surround, it is characterized in that, the back edge position of described monomer shell is provided with sagging hierarchic structure, described hierarchic structure comprises step surface, between described step surface and described monomer outer casing back face, by step side, is connected; Described step surface is provided with the first sound hole that is communicated with monomer inner chamber and the monomer external world.
2. loudspeaker monomer according to claim 1, is characterized in that, described magnetic circuit system comprises external magnetic circuit and internal magnetic circuit, and the parts that form described external magnetic circuit are provided with some breach; Described step side is provided with the rising tone hole that is communicated with described monomer inner chamber and the described monomer external world, and described rising tone hole is corresponding with described breach.
3. loudspeaker monomer according to claim 2, is characterized in that, described first sound hole is connected with described rising tone hole.
4. according to the described loudspeaker monomer of claim 2 or 3, it is characterized in that, described loudspeaker monomer is rectangular configuration, and the major axis that defines described loudspeaker monomer is Y-axis, and the minor axis of described loudspeaker monomer is X-axis, and the longitudinal axis of described loudspeaker monomer is Z axis.
5. loudspeaker monomer according to claim 4, is characterized in that, described hierarchic structure is arranged on a side minor axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is Y direction.
6. loudspeaker monomer according to claim 4, is characterized in that, described hierarchic structure is arranged on the both sides minor axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is Y direction.
7. loudspeaker monomer according to claim 4, is characterized in that, described hierarchic structure is arranged on a side major axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is X-direction.
8. loudspeaker monomer according to claim 4, is characterized in that, described hierarchic structure is arranged on the both sides major axis of described loudspeaker monomer, and the opening direction in described first sound hole is Z-direction, and the opening direction in described rising tone hole is X-direction.
9. contain the loud speaker module of loudspeaker monomer claimed in claim 1, comprise module shell, it is characterized in that, contain described loudspeaker monomer in described module shell.
10. loud speaker module according to claim 9, is characterized in that, described module shell comprises the first housing and the second housing combined, and described the first housing contacts with the rear end face of described loudspeaker monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452732 CN203368742U (en) | 2013-07-26 | 2013-07-26 | Loudspeaker monomer and loudspeaker module accepting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320452732 CN203368742U (en) | 2013-07-26 | 2013-07-26 | Loudspeaker monomer and loudspeaker module accepting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368742U true CN203368742U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320452732 Expired - Lifetime CN203368742U (en) | 2013-07-26 | 2013-07-26 | Loudspeaker monomer and loudspeaker module accepting same |
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| Country | Link |
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| CN (1) | CN203368742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104540080A (en) * | 2014-12-26 | 2015-04-22 | 歌尔声学股份有限公司 | Loudspeaker module |
| WO2015165318A1 (en) * | 2014-04-30 | 2015-11-05 | 歌尔声学股份有限公司 | Speaker sounding hole device |
-
2013
- 2013-07-26 CN CN 201320452732 patent/CN203368742U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165318A1 (en) * | 2014-04-30 | 2015-11-05 | 歌尔声学股份有限公司 | Speaker sounding hole device |
| US9832565B2 (en) | 2014-04-30 | 2017-11-28 | Goertek Inc. | Speaker sound hole device |
| KR101815843B1 (en) | 2014-04-30 | 2018-01-08 | 고어텍 인크 | Speaker Sounding Hole Device |
| CN104540080A (en) * | 2014-12-26 | 2015-04-22 | 歌尔声学股份有限公司 | Loudspeaker module |
| US9998809B2 (en) | 2014-12-26 | 2018-06-12 | Goertek Inc. | Loudspeaker 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. |
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| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |