CN203912191U - Flat loudspeaker vibration system - Google Patents
Flat loudspeaker vibration system Download PDFInfo
- Publication number
- CN203912191U CN203912191U CN201420357827.3U CN201420357827U CN203912191U CN 203912191 U CN203912191 U CN 203912191U CN 201420357827 U CN201420357827 U CN 201420357827U CN 203912191 U CN203912191 U CN 203912191U
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- China
- Prior art keywords
- vibrating diaphragm
- gusset
- coil
- installed surface
- vibrational system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000005728 strengthening Methods 0.000 claims description 5
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a flat loudspeaker vibration system which comprises a vibrating diaphragm. The surface of the vibrating diaphragm is provided with a coil which can be used to drive the vibration of the vibrating diaphragm in the energization condition at the middle portion of the vibrating diaphragm. The vibrating diaphragm on the periphery of the coil is provided with a rib plate assembly for enhancing the toughness of the vibrating diaphragm. The rib plate assembly comprises a plurality of rib plates. The flat loudspeaker vibration system provided in the utility model has advantages of simple manufacture process and low production cost, the rib plate assembly is arranged on the vibrating diaphragm, so the toughness of the vibrating diaphragm is enhanced regularly so as to improve the low-frequency sound effect, coils are arranged on the front side and the back side of the vibrating diaphragm in the helix manner, so the magnetic field space can be fully utilized, and the magnetic field utilization ratio can be improved.
Description
Technical field
The utility model relates to stereo set technical field, relates in particular to a kind of dynamic planar loudspeakers vibrational system.
Background technology
Loud speaker claims again " loudspeaker ", is a kind of very conventional electro-acoustic transducer device, and in the electronic electric equipment of sounding, application is very general.Dynamic speaker is called again coil-moving speaker; It is the electro-acoustic transducer device of application electric principle; Dynamic speaker because it is simple in structure, produce easily, extensive favor that the feature such as function admirable is subject to user, be use at most at present, loud speaker the most widely.
Electronics and the communication product equipment such as the mobile phone using in the modern life, PDA, notebook computer, digital camera, MP3, MP4, require to the sound of loud speaker that tone color is pure, bass is plentiful, medium-high frequency also requires loud and clear simultaneously.But because the volume of electronic product is more and more less, the design of each body is very limited to the space of loud speaker or receiver placement, therefore the required also greatly reduction of back cavity volume space of loud speaker, cause loud speaker can not bring into play best efficiency, low frequency part loss is serious, so ultralow frequency Microspeaker just becomes current development trend.
Chinese patent application CN202103838U discloses a kind of loud speaker with composite diaphragm, aims to provide the loud speaker with composite diaphragm that a kind of tone color is pure, bass is plentiful, medium-high frequency is simultaneously loud and clear.Include support, it after support, is magnetic cover, in magnetic cover, be fixed with magnet steel, pole piece, the surrounding of magnet steel and pole piece is vibrating diaphragm voice coil loudspeaker voice coil, it is characterized in that the composite diaphragm before vibrating diaphragm voice coil loudspeaker voice coil and pole piece is connected, as shown in Figure 1, described composite diaphragm includes forward PAR film 100 and the compound composition of PU film 101 successively with the counterdie of vibrating membrane ring 102, and the ball top on counterdie adopts wooden 103 successively and aluminium film 104 use adhesives 105 bond.Although the rigidity that form that wooden and aluminium film combine has guaranteed ball top point is adopted at the ball top point of composite diaphragm in this patent, it is light that while aluminium film has quality, make that loud speaker LF-response is good, fo (lowest resonance frequency) is low, tone color is very perfect, but its vibrating diaphragm processed complex, wood materials processing method are relatively single, processing more expends time in, therefore improved production cycle and the production cost of vibrating diaphragm, be unfavorable for applying.
Utility model content
The technical problem that the utility model solves is: a kind of easy to process, dynamic planar loudspeakers vibrational system that production efficiency is high is provided, and its magnetic field utilance is high, vibrating diaphragm toughness is strong, has better low frequency audio.
For reaching this object, the utility model by the following technical solutions:
A kind of dynamic planar loudspeakers vibrational system, comprise vibrating diaphragm, on described vibrating diaphragm surface and the medium position that is positioned at described vibrating diaphragm be provided with the coil that can drive described vibrating diaphragm vibration in energising situation, on the described vibrating diaphragm of the perimembranous of described coil, be provided with for strengthening the gusset assembly of the toughness of described vibrating diaphragm, described gusset assembly comprises some gussets.
As a kind of preferred technical scheme, described vibrating diaphragm comprises the first installed surface and the second installed surface, on described the first installed surface and described the second installed surface, be provided with described coil, and the perimembranous that is positioned at the described coil on described the first installed surface and described the second installed surface is provided with described gusset assembly.
As a kind of preferred technical scheme, described coil adopts the arranged in form of helix on described vibrating diaphragm surface.
As a kind of preferred technical scheme, the helix coil direction that is positioned at the described coil on described the first installed surface and described the second installed surface is contrary.
Concrete, along looking perpendicular to the direction of described the first installed surface, if be positioned at the described coil of described the first installed surface, be the described coil that clockwise direction coiling is positioned at described the second installed surface and be counterclockwise coiling; If being positioned at the described coil of described the first installed surface is the described coil that counterclockwise coiling is positioned at described the second installed surface and is clockwise direction coiling.
As a kind of preferred technical scheme, described vibrating diaphragm geometric center place is provided with through hole, and the described coil being positioned on described the first installed surface is connected in described through hole with the described coil being positioned on described the second installed surface.
Preferably, the described coil being positioned on described the first installed surface all has with the described coil being positioned on described the second installed surface coil the second end that is positioned at the coil first end of center and is positioned at edge, and the described coil first end of coil is all positioned at described through hole described in two, the mode by spot welding by coil first end described in two connect make two described in coil form path.
As a kind of preferred technical scheme, described gusset is extended to the edge of described vibrating diaphragm by the edge of described coil.
Preferably, the some gussets that form described gusset assembly are centered by the geometric center of described vibrating diaphragm to be dispersed installing and puts.
As a kind of preferred technical scheme, described vibrating diaphragm ovalize, described gusset comprises gusset the second end near the edge of the gusset first end at the edge of described coil and close described vibrating diaphragm, the all described gusset first end being positioned on an installed surface of described vibrating diaphragm forms rounded inner ring, all described gusset the second ends form the outer ring of ovalize, it is inner that described coil is positioned at described inner ring, and the edge of described outer ring in described vibrating diaphragm is inner.
As a kind of preferred technical scheme, described gusset is bar shaped aluminium foil, and described gusset is arranged on described vibrating diaphragm surface by plating mode.
As a kind of preferred technical scheme, described vibrating diaphragm is rectangular, described gusset comprises gusset the second end near the edge of the gusset first end at the edge of described coil and close described vibrating diaphragm, the all described gusset first end being positioned on an installed surface of described vibrating diaphragm forms rectangular inner ring, all described gusset the second ends form rectangular outer ring, it is inner that described coil is positioned at described inner ring, and the edge of described outer ring in described vibrating diaphragm is inner.
As a kind of preferred technical scheme, described gusset assembly also comprises that some described gusset and described link of boards part are integral type structure for connecting the link of boards part of adjacent two gussets, or described gusset and described link of boards part are split-type structural.
Described gusset assembly can be the aluminium foil gusset of some strips, is arranged in the perimembranous of described coil, and described coil is wrapped to form and can carries out regular enhancing to described vibrating diaphragm toughness, and every gusset is absolute construction.
Described gusset assembly can also increase link of boards part on the basis of above-mentioned gusset between two adjacent gussets, and making some link of boards is an overall structure, forms gusset assembly.
Described gusset assembly can be the integral body that all link of boards form, and also can a plurality ofly by several piece gusset, is connected and be formed the modularization gusset assembly of module for comprising.
The beneficial effects of the utility model are: manufacturing process is simple, production cost is low, gusset assembly is set on vibrating diaphragm, vibrating diaphragm toughness is carried out to regular enhancing and can improve low frequency audio, adopt the form of helix to arrange that at the tow sides of vibrating diaphragm coil can make full use of magnetic field space, improve magnetic field utilance.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is a kind of composite diaphragm structure schematic diagram in prior art.
Fig. 2 is dynamic planar loudspeakers vibrational system three-dimensional exploded view described in embodiment mono-.
Fig. 3 is dynamic planar loudspeakers vibrational system front view described in embodiment mono-.
Fig. 4 is loop construction schematic diagram described in embodiment mono-.
Fig. 5 is gusset modular construction schematic diagram described in embodiment mono-.
Fig. 6 is dynamic planar loudspeakers vibrational system three-dimensional exploded view described in embodiment bis-.
Fig. 7 is dynamic planar loudspeakers vibrational system front view described in embodiment bis-.
Fig. 8 be in Fig. 7 A-A to cutaway view.
Fig. 9 is I place enlarged drawing in Fig. 8.
Figure 10 is dynamic planar loudspeakers vibrational system front view described in embodiment tri-.
Figure 11 is bracket component structural representation described in embodiment tri-.
Figure 12 is dynamic planar loudspeakers vibrational system front view described in embodiment tetra-.
In Fig. 1:
100, PAR film; 101, PU film; 102, vibrating membrane ring; 103, wooden; 104, aluminium film; 105, adhesive.
In Fig. 2 to 5:
200, vibrating diaphragm; 201, coil; 202, mounting surface; 203, gusset assembly; 204, gusset; 205, gusset first end; 206, gusset the second end.
In Fig. 6 to 9:
300, vibrating diaphragm; 301, through hole; 302, the first installed surface; 303, the second installed surface; 304, the first coil; 305, the second coil; 306, the first gusset assembly; 307, the second gusset assembly; 308, gusset.
In Figure 10,11:
400, vibrating diaphragm; 401, coil; 402, gusset assembly; 403, gusset; 404, link of boards part.
In Figure 12:
500, vibrating diaphragm; 501, coil; 502, gusset assembly; 503, gusset.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Embodiment mono-:
As shown in Fig. 2 to 5, in the present embodiment, a kind of dynamic planar loudspeakers vibrational system described in the utility model, it comprises the vibrating diaphragm 200 of profile ovalize, vibrating diaphragm 200 has for the mounting surface 202 of coil 201 is installed, coil 201 is arranged on the medium position of mounting surface 202, being helix structure arranges, have near the coil first end of oval-shaped vibrating diaphragm 200 geometric centers and coil second end at close vibrating diaphragm 200 edges, coil 201 can drive vibrating diaphragm 200 vibrations in energising situation, convert electric energy to kinetic energy, and then realize sounding.
In mounting surface 202 and the perimembranous that is positioned at coil 201 be provided with for strengthening the gusset assembly 203 of vibrating diaphragm 200 toughness.Gusset assembly 203 include some in vibrating diaphragm 200 mind-set vibrating diaphragm 200 edges be the gusset 204 that divergent shape arranges, some gussets 204 are arranged between the edge of coil 201 and the edge of vibrating diaphragm 200.Every gusset 204 comprises that all gusset first ends 205 of gusset assembly 203 form rounded inner ring near the gusset first end 205 at coil 201 edges and gusset second end 206 at close vibrating diaphragm 200 edges, and coil 201 is inner in inner ring; All gussets second end 206 of gusset assembly 203 forms the outer ring of ovalize, the inside at the edge of outer ring in oval-shaped vibrating diaphragm 200.
Embodiment bis-:
As shown in Fig. 6 to 9, in the present embodiment, a kind of dynamic planar loudspeakers vibrational system described in the utility model, it comprises the vibrating diaphragm 300 of profile ovalize, vibrating diaphragm 300 two sides are respectively for the first installed surface 302 and second installed surface 303 of coil are installed.Medium position on the first installed surface 302 is provided with the first coil 304, the medium position of the second installed surface 303 is provided with on first installed surface 302 of perimembranous of the second coil 305, the first coils 304 and the second coil 305 and the second installed surface 303 and is respectively arranged with for strengthening the first gusset assembly 306 and the second gusset assembly 307 of vibrating diaphragm 300 toughness.The first gusset assembly 306 and the second gusset assembly 307 include some in vibrating diaphragm 300 mind-set vibrating diaphragm 300 edges be the gusset 308 that divergent shape arranges, some gussets 308 are arranged between the edge of coil and the edge of vibrating diaphragm 300.
In the present embodiment, the first coil 304 and the second coil 305 are all helix structure, and correspondence is arranged on the first installed surface 302 and the second installed surface 303 respectively.The first coil 304 has coil the second end near the coil first end of the geometric center of oval vibrating diaphragm 300 and close vibrating diaphragm 300 edges, and under installment state, the first coil 304 is counterclockwise coiling (by towards looking for the first installed surface direction of the first coil is installed) by coil first end to coil the second end.The second coil 350 has coil the 4th end near coil the 3rd end of the geometric center of oval vibrating diaphragm 300 and close vibrating diaphragm 300 edges, and under installment state, the second coil 305 is counterclockwise coiling (by towards looking for the first installed surface direction of the first coil is installed) by coil the 3rd end to coil the 4th end.
Center position at vibrating diaphragm 300 is provided with through hole 301, the coil first end of the first coil 304 and the coil of the second coil 305 the 3rd end are all positioned at through hole 301 positions, coil first end is connected by the mode of welding at through hole 301 places with coil the 3rd end, makes the first coil 304 realize and being electrically connected to the second coil 305.
Embodiment tri-:
As Figure 10, shown in 11, basic identical in dynamic planar loudspeakers vibrational system described in the present embodiment and embodiment mono-, comprise vibrating diaphragm 400, coil 401 and gusset assembly 402, its main distinction is the structure of gusset assembly 402, in the present embodiment, gusset assembly 402 includes some gussets 403, between adjacent gusset 403, be provided with the link of boards part 404 that adjacent gusset 403 is connected, link of boards part 404 can connect adjacent gusset 403 in the effect of vibrating diaphragm 400 being carried out to reinforcement with common gusset 403, facilitate the installation of gusset assembly 402.
Embodiment tetra-:
As shown in figure 12, basic identical in dynamic planar loudspeakers vibrational system described in the present embodiment and embodiment mono-, comprise vibrating diaphragm 500, coil 501 and gusset assembly 502, its main distinction is the structure of vibrating diaphragm 500, in the present embodiment, vibrating diaphragm 500 is rectangular configuration, corresponding coil 501 is the coil 501 of the rectangular coiled coil of profile with it, edge at coil 501 is provided with for strengthening the gusset assembly 502 of vibrating diaphragm 500 toughness to vibrating diaphragm 500 places between the edge of vibrating diaphragm 500, gusset assembly 502 comprises some gussets 503, gusset 503 comprises gusset the second end near the gusset first end near coil 501 and close vibrating diaphragm 500 edges, all gusset first ends form rectangular inner ring, coil 501 is positioned at inner ring inside, all gusset the second ends form rectangular outer ring, it is inner that outer ring is positioned at vibrating diaphragm 500 edges.
The shape of vibrating diaphragm described in the utility model, coil and gusset assembly is not limited to rectangle or the ellipse in above-described embodiment, can also be other shape in other embodiments.
In description of the present utility model, term " first ", " second ", " the 3rd ", " the 4th ", only, for being distinguished on describing, do not have special implication.
What need statement is; above-mentioned embodiment is only preferred embodiment of the present utility model and institute's application technology principle; in technical scope disclosed in the utility model; the variation that any those skilled in the art of being familiar with easily expect or replacement, all should be encompassed in protection range of the present utility model.
Claims (10)
1. a dynamic planar loudspeakers vibrational system, it is characterized in that, comprise vibrating diaphragm, on described vibrating diaphragm surface and the medium position that is positioned at described vibrating diaphragm be provided with the coil that can drive described vibrating diaphragm vibration in energising situation, on the described vibrating diaphragm of the perimembranous of described coil, be provided with for strengthening the gusset assembly of the toughness of described vibrating diaphragm, described gusset assembly comprises some gussets.
2. dynamic planar loudspeakers vibrational system according to claim 1, it is characterized in that, described vibrating diaphragm comprises the first installed surface and the second installed surface, on described the first installed surface and described the second installed surface, be provided with described coil, and the perimembranous that is positioned at the described coil on described the first installed surface and described the second installed surface is provided with described gusset assembly.
3. dynamic planar loudspeakers vibrational system according to claim 2, is characterized in that, described coil adopts the arranged in form of helix on described vibrating diaphragm surface.
4. dynamic planar loudspeakers vibrational system according to claim 3, is characterized in that, the helix coil direction that is positioned at the described coil on described the first installed surface and described the second installed surface is contrary.
5. dynamic planar loudspeakers vibrational system according to claim 4, it is characterized in that, described vibrating diaphragm geometric center place is provided with through hole, and the described coil being positioned on described the first installed surface is connected in described through hole with the described coil being positioned on described the second installed surface.
6. according to the dynamic planar loudspeakers vibrational system described in any one in claim 1 to 5, it is characterized in that, described gusset is extended to the edge of described vibrating diaphragm by the edge of described coil.
7. dynamic planar loudspeakers vibrational system according to claim 6, it is characterized in that, described vibrating diaphragm ovalize, described gusset comprises gusset the second end near the edge of the gusset first end at the edge of described coil and close described vibrating diaphragm, the all described gusset first end being positioned on an installed surface of described vibrating diaphragm forms rounded inner ring, all described gusset the second ends form the outer ring of ovalize, it is inner that described coil is positioned at described inner ring, and the edge of described outer ring in described vibrating diaphragm is inner.
8. dynamic planar loudspeakers vibrational system according to claim 6, is characterized in that, described gusset is bar shaped aluminium foil, and described gusset is arranged on described vibrating diaphragm surface by plating mode.
9. dynamic planar loudspeakers vibrational system according to claim 6, it is characterized in that, described vibrating diaphragm is rectangular, described gusset comprises gusset the second end near the edge of the gusset first end at the edge of described coil and close described vibrating diaphragm, the all described gusset first end being positioned on an installed surface of described vibrating diaphragm forms rectangular inner ring, all described gusset the second ends form rectangular outer ring, and it is inner that described coil is positioned at described inner ring, and the edge of described outer ring in described vibrating diaphragm is inner.
10. dynamic planar loudspeakers vibrational system according to claim 1, it is characterized in that, described gusset assembly also comprises some for connecting the link of boards part of adjacent two gussets, described gusset and described link of boards part are integral type structure, or described gusset and described link of boards part are split-type structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357827.3U CN203912191U (en) | 2014-06-30 | 2014-06-30 | Flat loudspeaker vibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420357827.3U CN203912191U (en) | 2014-06-30 | 2014-06-30 | Flat loudspeaker vibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203912191U true CN203912191U (en) | 2014-10-29 |
Family
ID=51786432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420357827.3U Expired - Lifetime CN203912191U (en) | 2014-06-30 | 2014-06-30 | Flat loudspeaker vibration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203912191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104540055A (en) * | 2014-12-29 | 2015-04-22 | 汉得利（常州）电子股份有限公司 | Ultra-thin audio terminal made from aluminized film and used for television |
-
2014
- 2014-06-30 CN CN201420357827.3U patent/CN203912191U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104540055A (en) * | 2014-12-29 | 2015-04-22 | 汉得利（常州）电子股份有限公司 | Ultra-thin audio terminal made from aluminized film and used for television |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
|
| CX01 | Expiry of patent term |