CN202068558U - Thin vibration plate and loudspeaker unit with same - Google Patents
Thin vibration plate and loudspeaker unit with same Download PDFInfo
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- CN202068558U CN202068558U CN2011201567497U CN201120156749U CN202068558U CN 202068558 U CN202068558 U CN 202068558U CN 2011201567497 U CN2011201567497 U CN 2011201567497U CN 201120156749 U CN201120156749 U CN 201120156749U CN 202068558 U CN202068558 U CN 202068558U
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Abstract
The utility model relates to a thin vibration plate, which is provided with a circular plate-shaped body, wherein a ball surface concave vein region, a middle ring region and an outer ring region are sequentially arranged on the plate-shaped body from inside to outside so that a bending state is formed between every two region blocks, so the rigidity of the thin vibration plate is enhanced; the ball surface concave vein region is recessed towards one side of the plate-shaped body through the ball surface type radian; the middle ring region is annularly arranged on the outer periphery of the ball surface concave vein region and forms an annular plate; and the outer annular region is arranged at the outer periphery of the middle ring region and inclines and extends in the direction towards the recessed direction of the ball surface concave vein region, so the middle ring region and the outer ring region are connected through an obtuse angle, the arc-shaped recess of the ball surface concave rein region and folding lines at the junction parts of the middle ring region and the outer ring region are utilized, and the rigidity of the vibration plate can be effectively improved under the condition without increasing the depth of the vibration plate. The utility model also provides a thin loudspeaker unit adopting the vibration plate.
Description
Technical field
The utility model refers in particular to a kind of high rigidity and slim slim oscillating plate of having concurrently relevant for a kind of oscillating plate that is applied to loud speaker.
Background technology
General loudspeaker unit is broadly divided into the magnet that is positioned at the loudspeaker back, is located at the solenoid of above-mentioned magnet one magnetic pole, and the three parts such as vibration component that link with solenoid.Can produce induced field after solenoid feeds electric current, and interact with the magnetic field of above-mentioned magnet and produce vibration, this vibration is delivered to the vibration component that is positioned at the loudspeaker front end via solenoid, makes the vibration component vibrate air and forms sound wave.
Along with popularizing of loudspeaker, except traditional loudspeaker, people more begin to seek to have more small size, are fit to be installed on vehicle or are embedded in loudspeaker in the wall.Yet the volume of loudspeaker unit has been subjected to the restriction of above-mentioned vibration component significantly, reason is that the oscillating plate in the vibration component must have suitable rigidity, if the rigidity of oscillating plate is low excessively, then in the process of vibration sounding, just be easy to generate irregular vibration, and then influence the quality of sounding, therefore oscillating plate all is made as from the loudspeaker front end between the loudspeaker rear end, has the peviform structure of the suitable degree of depth.This peviform structure can not only produce enough rigidity, and the simple easily production of its molding surface.
In order further to promote the rigidity of oscillating plate, the practice of being taked in existing technology mainly is to change the material of oscillating plate.For example in oscillating plate, add metal wire rod to increase rigidity, use macromolecule polymeric material or glass fibre to make oscillating plate or the like with higher rigidity.Even yet the rigidity of material increased, but for the depth effect that reduces the peviform structure and little, the degree of depth of peviform structure still can limit reducing of loudspeaker unit volume.Therefore, in order to reduce the volume of loudspeaker unit, certainly will need improve the oscillating plate of loudspeaker unit.
Summary of the invention
Main purpose of the present utility model is to provide a kind of oscillating plate with the high rigidity and the shallow degree of depth, by this oscillating plate the volume of loudspeaker unit and thickness can significantly be dwindled, and can keep high-quality tonequality output.
Of the present utility model time a purpose is to provide a kind of thin type horn unit that uses above-mentioned oscillating plate, and this loudspeaker unit has the littler volume and the degree of depth, is fit to be used in states such as automobile audio or concealed sound equipment.
For reaching above-mentioned purpose, slim oscillating plate of the present utility model is provided with the plate-like body of a circle, and described plate-like body comprises a sphere dimpled grain district of arranging in regular turn from inside to outside at least, and described sphere dimpled grain district is recessed to a side of plate-like body with the radian of a dome shape; One is located on the Central District of periphery, above-mentioned sphere dimpled grain district; And one be located on above-mentioned Central District periphery and to the outer zone of the recessed direction diagonally extending in sphere dimpled grain district, outer zone be connected with the Central District with an obtuse angle.
In a preferred embodiment, the front end of above-mentioned basin frame further group is established a front shroud, described front shroud comprises the linking part of a ring-type, described linking part combines with the locking of above-mentioned basin frame and extends to form at least one support to the central authorities of above-mentioned slim oscillating plate, be provided with a platform part at described support end, and be provided with secondary loudspeaker in the assembling of described platform part, described secondary loudspeaker are placed in the above-mentioned sphere dimpled grain district.
In a most preferred embodiment, above-mentioned sphere dimpled grain district occupies the about one-third of the area of above-mentioned plate-like body; Above-mentioned Central District is made as a horizontally disposed annular slab, and has even curface; And above-mentioned outer zone is provided with even curface.
In a preferred embodiment, above-mentioned plate-like body by a supporting layer that mutually repeatedly connects and be bonding on above-mentioned supporting layer up and down the epidermal area on two surfaces combine, and described supporting layer comprises the hole of the above-mentioned supporting layer of a plurality of vertical perforations.Above-mentioned epidermal area comprises with staggered strengthening layer that is made into of fiber and the glutinous hypothallus that is overlying on the strengthening layer appearance; And above-mentioned hole is made as the regular hexagon of single-size and proper alignment.
The utility model more provides a kind of loudspeaker unit of this slim oscillating plate of application in addition, described loudspeaker unit comprises a basin frame, one is installed in the magnet at basin frame back, be located at the solenoid of above-mentioned magnet one magnetic pole, above-mentioned solenoid binding is provided with a transfer of vibration assembly, and be provided with an above-mentioned slim oscillating plate away from an end of above-mentioned magnet at the transfer of vibration assembly, make described slim oscillating plate be positioned at above-mentioned basin frame front end.
The front end of above-mentioned basin frame further group is established a front shroud, described front shroud comprises the linking part of a ring-type, described linking part combines with the locking of above-mentioned basin frame and extends to form at least one support to the central authorities of above-mentioned slim oscillating plate, be provided with a platform part at described support end, and be provided with secondary loudspeaker in the assembling of described platform part, described secondary loudspeaker are placed in the above-mentioned sphere dimpled grain district.
In a most preferred embodiment, above-mentioned sphere dimpled grain district occupies the about one-third of the area of above-mentioned plate-like body.Above-mentioned Central District is made as a horizontally disposed annular slab, and has even curface, and above-mentioned outer zone is provided with even curface.
In another preferred embodiment, above-mentioned plate-like body by a supporting layer and be bonding on above-mentioned supporting layer up and down the epidermal area on two surfaces combine, above-mentioned epidermal area comprises with staggered strengthening layer that is made into of fiber and the glutinous hypothallus that is overlying on the strengthening layer appearance, and described supporting layer comprises the hole of the above-mentioned supporting layer of a plurality of vertical perforations, and described hole is made as the regular hexagon of single-size and proper alignment.
Therefore, characteristics of the present utility model on by plate-like body at oscillating plate from inside to outside at least one sphere dimpled grain district is set, the outer zone that a Central District and tilts to the recessed direction in sphere dimpled grain district.Effectively improve the rigidity of oscillating plate by formed bending between each block, and rely on the corresponding setting of sphere dimpled grain district and outer zone to make described oscillating plate remain in slim state.And significantly dwindle the volume and the thickness of loudspeaker unit by using described slim oscillating plate, make loudspeaker unit be more suitable for being used in states such as automobile audio or concealed sound equipment.
Description of drawings
Fig. 1 is a profile of the present utility model;
Fig. 2 is a constitutional diagram of the present utility model;
Fig. 3 is the structural representation of Fig. 2 mesocuticle layer;
Fig. 4 is the loudspeaker unit constitutional diagram that contains slim oscillating plate; And
Fig. 5 is the loudspeaker unit profile that contains slim oscillating plate.
[primary clustering symbol description]
The slim oscillating plate 116---of 10---hypothallus 23---transfer of vibration assembly
11---plate-like body 12---sphere dimpled grain district 30---front shroud
111---supporting layer 13---Central District 31---linking part
112---hole 14---outer zone 32---support
113---epidermal area 20---basin frame 33---platform part
The secondary loudspeaker of 114---fiber 21---magnet 34---
115---strengthening layer 22---solenoid
Embodiment
For ease of further structure of the present utility model, use and feature thereof being had clear and definite, full and accurate understanding of darker one deck and understanding, now enumerate preferred embodiment, cooperate graphic being described in detail as follows:
Now see also Fig. 1, as shown in FIG., the utility model is a kind of slim oscillating plate 10, is provided with the plate-like body 11 of a circle, and described plate-like body 11 comprises 12, one Central Districts 13, a sphere dimpled grain district and an outer zone 14 of arranging in regular turn from inside to outside at least.Form bending between each block, increase the rigidity of slim oscillating plate 10 by this.Above-mentioned sphere dimpled grain district 12 is recessed to a side of described plate-like body 11 with the radian of a dome shape; And above-mentioned Central District 13 is located on above-mentioned sphere dimpled grain district 12 and forms an annular plate outward; Above-mentioned outer zone 14 then is located at the periphery of described Central District 13, and the direction diagonally extending that is recessed into to above-mentioned sphere dimpled grain district 12, and Central District 13 is connected with an obtuse angle with outer zone 14.Utilize the arcuation depression in sphere dimpled grain district 12 and Central District 13 and the broken line of outer zone 14 intersections can effectively promote the rigidity of oscillating plate.
As shown in FIG., can provide preferable rigidity though increase the radius in sphere dimpled grain district 12, can increase the degree of depth of oscillating plate also simultaneously, above-mentioned sphere dimpled grain district 12 preferably occupies above-mentioned plate-like body 11 about one-thirds of the area, not as limit.And in this preferred embodiment, above-mentioned Central District 13 is made as a horizontally disposed annular slab, and the surfacing of described Central District 13 and do not have any concave, convex line is set.And above-mentioned outer zone 14 also has even curface equally, makes slim oscillating plate 10 of the present utility model form one and but can have concurrently slim merely and moulding rigidity.
Yet this is only as the usefulness that conveniently illustrates, molding surface of the present utility model is limited, that is above-mentioned sphere dimpled grain district 12 is not limited only to the size of plate-like body 1/11st 3 area, and Central District 13 is provided with dimpled grain or burr with further lifting rigidity with the also visual demand in surface of outer zone 14 in its surface.
See also Fig. 2 and Fig. 3 again, in the preferred embodiment as shown in FIG., above-mentioned plate-like body 11 can be to be combined by the epidermal area 113 that mutually repeatedly connects the supporting layer 111 of bonding and be bonding on above-mentioned supporting layer two surfaces about in the of 111, but is not as limit.Wherein epidermal area 113 comprises with fiber 114 staggered strengthening layers 115 that are made into and the glutinous hypothallus 116 that is overlying on strengthening layer 115 appearances, and described supporting layer 111 comprises the above-mentioned supporting layer 111 of a plurality of vertical perforations, the regular hexagon hole 112 with single-size and proper alignment.Make above-mentioned supporting layer reach the purpose of light weight and high rigidity by honey comb like structure, and overlapping above-mentioned supporting layer 111 of storehouse and epidermal area 113 back formation one light weights and having high-intensity composite oscillating plate.
But composite oscillating plate described herein is for convenience of description usefulness only, is not as limit.That is described oscillating plate can also be made as the single material of commonly using along with the actual demand difference, or adds wherein a kind of structure of metal wire rod in a side of oscillating plate.
Now see also Fig. 4 and Fig. 5, as shown in FIG., use above-mentioned slim oscillating plate 10 by assembling, and then can form a slim loudspeaker unit.Described loudspeaker unit comprises the magnet 21 that a basin frame 20, is installed in basin frame 20 backs at least, produces a fixing magnetic field by described magnet 21.And be provided with a solenoid 22 towards the suspention of the magnetic pole in basin frame 20 the place aheads at above-mentioned magnet 21, then when described solenoid 22 feeding electromagnetic signals, will be subjected to the influence of magnetic field of above-mentioned magnet 21 and vibrate.Also binding is provided with a transfer of vibration assembly 23 on above-mentioned solenoid 22, and a slim oscillating plate 10 that is connected with described transfer of vibration assembly 23, makes slim oscillating plate 10 be positioned at above-mentioned basin frame 20 front ends.
Described slim oscillating plate 10 is provided with the plate-like body 11 of a circle, and described plate-like body 11 comprises 12, one Central Districts 13, a sphere dimpled grain district and an outer zone 14 of arranging in regular turn from inside to outside at least.Form bending between each block, increase rigidity by this.Above-mentioned sphere dimpled grain district 12 is with the radian of the dome shape internal recess to above-mentioned loudspeaker unit; And above-mentioned Central District 13 is located on above-mentioned sphere dimpled grain district 12 and forms a ring-like plate outward; Above-mentioned outer zone 14 then is located at the periphery of described Central District 13, and the direction diagonally extending that is recessed into to above-mentioned sphere dimpled grain district 12, and Central District 13 is connected with an obtuse angle with outer zone 14.Utilize the arcuation depression in sphere dimpled grain district 12 and Central District 13 and the broken line of outer zone 14 intersections can effectively promote the rigidity of oscillating plate.
As shown in FIG., above-mentioned sphere dimpled grain district 12 preferably occupies above-mentioned plate-like body 11 about one-thirds of the area, but not as limit.And in this preferred embodiment, above-mentioned Central District 13 is provided with surface smooth and that do not tilt, makes described Central District 13 form a ring-like plane that is parallel to above-mentioned magnet 21.And above-mentioned outer zone 14 is provided with even curface, makes slim oscillating plate 10 of the present utility model form one and but can have concurrently slim merely and moulding rigidity.
See also Fig. 2 again, in an illustrated preferred embodiment, above-mentioned plate-like body 11 is combined by a supporting layer 111 and the epidermal area 113 that is bonding on supporting layer two surfaces about in the of 111.Above-mentioned epidermal area 113 comprises with fiber 114 staggered strengthening layers 115 that are made into and the glutinous hypothallus 116 that is overlying on strengthening layer 115 appearances, and described supporting layer 111 comprises the above-mentioned supporting layer 111 of a plurality of vertical perforations, has the regular hexagon hole 112 of single-size and proper alignment.Form a light weight and have high-intensity composite oscillating plate by overlapping above-mentioned epidermal area 113 of storehouse and supporting layer 111.
Now see also Fig. 4 and Fig. 5, in illustrated another preferred embodiment, the front end of above-mentioned basin frame 20 can further be organized and establish a front shroud 30, described front shroud 30 comprises the linking part 31 of a ring-type, described linking part 31 combines with 20 lockings of above-mentioned basin frame and extends to form at least one support 32 to the central authorities of above-mentioned slim oscillating plate 10, be provided with a platform part 33 at described support 32 ends, and be provided with one in 33 assemblings of described platform part and have the secondary loudspeaker 34 of different ranges with main loudspeaker, make described secondary loudspeaker 34 be arranged in the dented space in above-mentioned sphere dimpled grain district 12.By secondary loudspeaker 34 being installed in the dented space in above-mentioned sphere dimpled grain district 12, can not increase under the situation that loudspeaker take volume, the secondary loudspeaker 34 that will have different ranges are combined into coaxial horn with main loudspeaker, and increase the range of loudspeaker unit.
In sum, the utility model by on the plate-like body of oscillating plate from inside to outside at least one sphere dimpled grain district is set, the outer zone that a Central District and tilts to the recessed direction in sphere dimpled grain district.Effectively improve the rigidity of oscillating plate by formed bending between each block, and rely on the corresponding setting of sphere dimpled grain district and outer zone to make described oscillating plate remain in slim state.
Above illustrated embodiment, only use the utility model for convenience of description, be not in a limitative way, not from the utility model spirit category, be familiar with various simple and easy distortion and modification that this industry technical staff is done according to the utility model claim and creation explanation, all must include in the application's claim.
Claims (10)
1. slim oscillating plate is characterized in that: be provided with the plate-like body of a circle, described plate-like body comprises a sphere dimpled grain district of arranging in regular turn from inside to outside at least, and described sphere dimpled grain district is recessed to a side of plate-like body with the radian of a dome shape; One is located on the Central District of periphery, above-mentioned sphere dimpled grain district; And one be located on above-mentioned Central District periphery and to the outer zone of the recessed direction diagonally extending in sphere dimpled grain district, outer zone be connected with the Central District with an obtuse angle.
2. slim oscillating plate according to claim 1 is characterized in that: above-mentioned sphere dimpled grain district occupies above-mentioned plate-like body one-third of the area.
3. slim oscillating plate according to claim 1 is characterized in that: above-mentioned Central District is made as a horizontally disposed annular slab, and has even curface, and above-mentioned outer zone is provided with even curface.
4. slim oscillating plate according to claim 1, it is characterized in that: above-mentioned plate-like body by a supporting layer and be bonding on above-mentioned supporting layer up and down the epidermal area on two surfaces combine, and described supporting layer comprises the hole of the above-mentioned supporting layer of a plurality of vertical perforations.
5. slim oscillating plate according to claim 4 is characterized in that: above-mentioned epidermal area comprises with staggered strengthening layer that is made into of fiber and the glutinous hypothallus that is overlying on the strengthening layer appearance; And above-mentioned hole is made as the regular hexagon of single-size and proper alignment.
6. an application rights requires the loudspeaker unit of 1 described slim oscillating plate, it is characterized in that: comprise a basin frame, one is installed in the magnet at basin frame back, be located at the solenoid of above-mentioned magnet one magnetic pole, above-mentioned solenoid binding is provided with a transfer of vibration assembly, and be provided with an above-mentioned slim oscillating plate away from an end of above-mentioned magnet at the transfer of vibration assembly, make described slim oscillating plate be positioned at above-mentioned basin frame front end.
7. loudspeaker unit according to claim 6, it is characterized in that: the front end of above-mentioned basin frame further group is established a front shroud, described front shroud comprises the linking part of a ring-type, described linking part combines with the locking of above-mentioned basin frame and extends to form at least one support to the central authorities of above-mentioned slim oscillating plate, be provided with a platform part at described support end, and be provided with secondary loudspeaker in the assembling of described platform part, described secondary loudspeaker are placed in the above-mentioned sphere dimpled grain district.
8. loudspeaker unit according to claim 6 is characterized in that: above-mentioned sphere dimpled grain district occupies above-mentioned plate-like body one-third of the area.
9. loudspeaker unit according to claim 6 is characterized in that: above-mentioned Central District is made as a horizontally disposed annular slab, and has even curface, and above-mentioned outer zone is provided with even curface.
10. loudspeaker unit according to claim 6, it is characterized in that: above-mentioned plate-like body by a supporting layer and be bonding on above-mentioned supporting layer up and down the epidermal area on two surfaces combine, above-mentioned epidermal area comprises with staggered strengthening layer that is made into of fiber and the glutinous hypothallus that is overlying on the strengthening layer appearance, and described supporting layer comprises the hole of the above-mentioned supporting layer of a plurality of vertical perforations, and described hole is made as the regular hexagon of single-size and proper alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201567497U CN202068558U (en) | 2011-05-17 | 2011-05-17 | Thin vibration plate and loudspeaker unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201567497U CN202068558U (en) | 2011-05-17 | 2011-05-17 | Thin vibration plate and loudspeaker unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068558U true CN202068558U (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201567497U Expired - Fee Related CN202068558U (en) | 2011-05-17 | 2011-05-17 | Thin vibration plate and loudspeaker unit with same |
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| CN (1) | CN202068558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109417657A (en) * | 2016-06-29 | 2019-03-01 | 杜比实验室特许公司 | Asymmetric high frequency waveguide, 3 axons tool and spherical housing for circulating loudspeaker |
-
2011
- 2011-05-17 CN CN2011201567497U patent/CN202068558U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109417657A (en) * | 2016-06-29 | 2019-03-01 | 杜比实验室特许公司 | Asymmetric high frequency waveguide, 3 axons tool and spherical housing for circulating loudspeaker |
| US10848862B2 (en) | 2016-06-29 | 2020-11-24 | Dolby Laboratories Licensing Corporation | Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers |
| CN109417657B (en) * | 2016-06-29 | 2020-12-29 | 杜比实验室特许公司 | Asymmetric high frequency waveguide, 3-axis rigging and spherical enclosure for surround speaker |
| US11252500B2 (en) | 2016-06-29 | 2022-02-15 | Dolby Laboratories Licensing Corporation | Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers |
| US11659321B2 (en) | 2016-06-29 | 2023-05-23 | Dolby Laboratories Licensing Corporation | Asymmetrical high-frequency waveguide, 3-axis rigging, and spherical enclosure for surround speakers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20170517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |