CN202043261U - Electronic product - Google Patents
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- Publication number
- CN202043261U CN202043261U CN2011200441468U CN201120044146U CN202043261U CN 202043261 U CN202043261 U CN 202043261U CN 2011200441468 U CN2011200441468 U CN 2011200441468U CN 201120044146 U CN201120044146 U CN 201120044146U CN 202043261 U CN202043261 U CN 202043261U
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- housing
- electronic product
- circuit board
- printed circuit
- pcb
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Abstract
The utility model provides an electronic product, comprising a first shell, a second shell, a printed circuit board and a loudspeaker. The printed circuit board is arranged in a space formed by closing the first shell and the second shell, the loudspeaker is fixedly arranged on the first shell, and a first flexible sealing part is filled around the surrounding of the loudspeaker and between the first shell and the printed circuit board. The electronic product is characterized in that a through hole is arranged in an area of the printed circuit board surrounded by the first flexible sealing part, and the surrounding of the through hole is equipped with a second flexible sealing part making the printed circuit board and the second shell be sealed and cooperated. By using the electronic product provided by the utility model, the volume of a back sound chamber of the loudspeaker is increased in a limited inner structure space of the electronic product, making the loudspeaker vocalization of the electronic product sweeter to achieve a better vocalization quality.
Description
Technical field
The utility model relates to a kind of electronic product, especially possesses the electronic product of loud speaker.
Background technology
Because the fast development of electronic technology, the kind of electronic product is also more and more various, as the electronic product of these classes such as mobile phone, MP4, has integrated amusement functions such as video, music, therefore, the electronic product with high-quality tonequality could be shown one's talent in increasingly competitive market.The quality of acoustical quality not only depends on the performance of loud speaker itself, outer electronic product audio cavity structure also with being located at loud speaker, promptly with loud speaker before the volume size in sound chamber, sound chamber, back closely related.
The sound chamber forms in the following way behind the existing loud speaker: at first one-body moldedly on electronic product first housing go out an annular brace portion, loud speaker is arranged in the above-mentioned annular brace portion, by one deck sealing foamed cotton layer is set in this annular brace portion electronic product first housing and printed circuit board seal are cooperated, wherein the space that is formed by annular brace portion, printed circuit board (PCB), electronic product first housing seal promptly is sound chamber behind the loud speaker.What sound chamber volume mainly influenced behind the loud speaker is the low frequency electrical property, and when the volume in sound chamber behind the loud speaker constantly increased, the low-frequency resonant point of loud speaker dwindled gradually with the missionary society of the low-frequency resonant of sounding the operatic tunes behind loud speaker point, thereby improved tonequality.Therefore, the volume in sound chamber was to improve the acoustical quality of loud speaker after requirement strengthened loud speaker as much as possible in the structural design of electronic product.
But, inventor of the present utility model finds in to the research of prior art and practice process, desire to make electronic product to possess comparatively good sound quality effect, sound chamber volume needs 1.5 cubic centimetres at least behind the loud speaker, but because electronic product more and more tends to lightening, make the electronic product first housing height reduce greatly, thereby sound chamber volume is difficult to reach 1.5 cubic centimetres designing requirement after causing loud speaker.How making electronic product possess the good sound quality effect in the first limited housing height space is the problem that the utility model need solve.
Summary of the invention
For addressing the above problem, the utility model discloses a kind of electronic product, this electronic product can increase the volume in sound chamber behind the loud speaker in limited electronic product internal structure space, make the loud speaker sounding of electronic product more melodious, reaches sounding quality preferably.
A kind of electronic product that the utility model provides, comprise first housing, second housing, printed circuit board (PCB) and loud speaker, described printed circuit board (PCB) is installed in by in first housing and the closed space that forms of second housing, described loud speaker is fixedly mounted on first housing, the first flexible sealing portion that is filled with all around of the described loud speaker of ring between described first housing and printed circuit board (PCB), it is characterized in that, described printed circuit board (PCB) also is provided with through hole in the described first flexible sealing portion area surrounded, is provided with the second flexible sealing portion that described printed circuit board (PCB) is cooperated with described second housing seal around the described through hole.
Further, the area of described through hole is not less than 2 square millimeters.
Further, described through hole is at least 1.
Further, described shape of through holes is circle or rectangle.
Further, the described loud speaker of a side ring that loud speaker is installed on described first housing is formed with first support portion, and the described first flexible sealing portion is positioned between first support portion and the described printed circuit board (PCB).
Further, be formed with second support portion on described second housing, the described second flexible sealing portion is positioned between second support portion and the described printed circuit board (PCB).
Further, the described first flexible sealing portion is the sealing foam, and the profile of described sealing foam is identical with the first support portion profile.
Further, the described second flexible sealing portion is the sealing foam, and the profile of described sealing foam is identical with the second support portion profile.
Further, the described first housing upper speaker position also is provided with Air Filter.
The electronic product that the utility model provides, be provided with the through hole that second housing and first housing are connected by the printed circuit board (PCB) blank region of the described first flexible sealing portion enclosing region, under the prerequisite of volume that does not increase electronic product and size, effectively utilized the space on second housing, increased the volume in sound chamber behind the loud speaker to greatest extent, thereby improve the sounding quality of electronic product, also efficiently solve the contradiction of sound chamber size and complete machine inner space size, and above-mentioned printed circuit board (PCB) only is provided with through hole at the part white space, thereby the electronic product that makes the utility model provide can guarantee the structural strength of printed circuit board (PCB), does not also influence the layout designs of printed circuit board (PCB) itself simultaneously.
Description of drawings
Fig. 1 is the decomposing schematic representation of the direction of electronic product of the utility model embodiment.
Fig. 2 is the decomposing schematic representation of another direction of electronic product of the utility model embodiment.
Fig. 3 is the second housing schematic diagram of the utility model embodiment.
Fig. 4 is second housing of the utility model embodiment and the assembling schematic diagram of printed circuit board (PCB).
Fig. 5 is first housing of the utility model embodiment and the assembling schematic diagram of loud speaker.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Below, will be in conjunction with the accompanying drawings, embodiment of the present utility model is described in detail.
Fig. 1 is to shown in Figure 5, the utility model provides a kind of electronic product, this electronic product comprises second housing 1, first housing 3, printed circuit board (PCB) 2 and loud speaker 5, described loud speaker 5 is arranged on first housing 3, described printed circuit board (PCB) is installed in by in first housing 3 and second housing, the 1 closed space that forms, described loud speaker 5 is fixedly mounted on first housing 3, the first flexible sealing portion 4 that is filled with all around of the described loud speaker 5 of ring between described first housing 3 and printed circuit board (PCB) 2, wherein, described printed circuit board (PCB) 2 also is provided with through hole in the described first flexible sealing portion 4 area surrounded, is provided with the second flexible sealing portion 6 that described printed circuit board (PCB) 2 and described second housing 1 are sealed and matched around the described through hole.The quantity of through hole determines that according to the quantity of the seal cavity on second housing 1 seal cavity on second housing 1 is meant by the support portion that is provided with on second housing 1 and is surrounded the space that forms.Second housing 1 if be provided with a seal cavity then the white space on printed circuit board (PCB) 2 open a through hole, if having on second housing 1 two seal cavities then the white space on the printed circuit board (PCB) 2 open 2 through holes, the rest may be inferred.The area size of through hole should be considered as far as possible that part and circuit on structural strength and the printed circuit board (PCB) 2 are arranged under the prerequisite of difficulty or ease via area is accomplished maximum on the printed circuit board (PCB) 2.Consider the damping of circulation of air and air simultaneously, the area of through hole is preferably and is not less than 2 square millimeters, the circular or rectangle of shape decision design of through hole.
In the present embodiment, consider the layout designs of printed circuit board (PCB) 2 itself and the structural strength of printed circuit board (PCB) 2, the white space of corresponding back sound cavity region is provided with 2 through holes on printed circuit board (PCB) 2, promptly the area sum of first through hole 22 and second through hole, 23, the first through holes 22 and second through hole 23 is not less than 2 square millimeters.
In the present embodiment, as shown in Figures 1 to 4, first through hole 22 and second through hole 23 are shaped as rectangle, and lead fillet on four limits, to strengthen the structural strength of printed circuit board (PCB), also are beneficial to circulation of air simultaneously.
As shown in Figures 2 and 3, described second housing 1 is provided with second support portion 11, is used to realize the sealing fully with printed circuit board (PCB) 2.The space that the second shell support portion 11 and second housing, 1 bottom surface are surrounded forms second housing, first seal cavity A and second housing, the second seal cavity B.
As shown in Figure 5, first housing 3 is provided with first support portion 33, is used to realize and the sealing fully of printed circuit board (PCB) 2 that the space that first support portion 33 and first housing, 3 bottom surfaces are surrounded forms the first housing seal space C.
In the present embodiment, the volume sum of second housing, the first seal cavity A, second housing, the second seal cavity B, the first housing seal space C and first through hole 22 and second through hole 23 itself more than or equal to loud speaker after the volume designing requirement of sound chamber, promptly 1.5 cubic centimetres, to reach better acoustical quality.
Compared with prior art, the audio cavity structure that present embodiment provides, increased following volume, i.e. second housing, the first seal cavity A, the volume of second housing, the second seal cavity B and first through hole 22 and second through hole 23 itself, greatly increase the volume in sound chamber, efficiently solved the contradiction of sound chamber size and complete machine inner space size.
As shown in Figure 5, also to be provided with the profile of 4, the first flexible sealing portions 4 of the first flexible sealing portion identical with first support portion, 33 profiles for 2 of first housing 3 and printed circuit board (PCB)s.As shown in Figures 1 and 2, present embodiment also is provided with the second flexible sealing portion 6 at described second housing 1 and 2 of printed circuit board (PCB)s, and the profile of the described second flexible sealing portion 6 is identical with second support portion, 11 profiles.The described first flexible sealing portion 4 and the second flexible sealing portion 6 are generally the softer sealing foam of material.The one side of the described first flexible sealing portion 4 and the second flexible sealing portion 6 also comprises and the first flexible sealing portion 4 and the consistent double faced adhesive tape of the second flexible sealing portion, 6 profiles, is used for flexible sealing portion is assembled to corresponding support portion.Above-mentioned two flexible sealing portions can better seal supporter and printed circuit board (PCB), guarantee that electronic product possesses good sounding quality.
For fear of having influence on sound quality because of external foreign matter, first housing, 3 upper speaker, 5 positions also are provided with Air Filter (indicating among the figure).
The technical solution of the utility model, for the comparatively thin electronic product of appearance requirement, volume that can the compression of electronic product makes electronic product thinner on original basis.Equally, the technical solution of the utility model is applicable to also and does not require the electronic product that reduces volume that the technical program can make the inner space of electronic product obtain maximized rational Application, makes the tonequality of loud speaker better.
The electronic product assemble sequence that the utility model embodiment provides is as follows:
First housing unit assembling: as shown in Figure 5, at first loud speaker 5 is assembled on first housing 3, when assembling with the back sender (indicating among the figure) of loud speaker 5 in the first housing seal space C of first housing 3, the first flexible sealing portion 4 sticks on first support portion 33 on first housing 3 by self double faced adhesive tape, after pasting the first flexible sealing portion 4, the first flexible sealing portion, 4 usefulness tools are carried out pressing, avoid the first flexible sealing portion 4 to come off.
Second housing unit assembling: as shown in Figure 4, the second flexible sealing portion 4 is sticked on second support portion 11 on second housing 1 by double faced adhesive tape, the second flexible sealing portion, 6 usefulness tools are carried out pressing, avoid the second flexible sealing portion 6 to come off.And then printed circuit board (PCB) 2 is assembled on second housing 1.
Whole assembling: as depicted in figs. 1 and 2, first housing unit that will be equipped with the loud speaker 5 and the first flexible sealing portion at last is assembled into complete machine with second housing unit that is equipped with the second flexible sealing portion and printed circuit board (PCB) 2.Like this, sealed volume on first housing 3 just is connected with the first seal cavity A on second housing 1 by first through hole 22 on the printed circuit board (PCB) 2, be connected with the second seal cavity B on second housing 1 by second through hole 23 on the printed circuit board (PCB) 2, enlarged the volume in sound chamber behind the whole electronic product loud speaker.
The electronic product that the utility model provides, be provided with the through hole that second housing and first housing are connected by the printed circuit board (PCB) blank region of the described first flexible sealing portion enclosing region, effectively utilized the space on second housing, greatly increased the volume in sound chamber, efficiently solve the contradiction of sound chamber size and complete machine inner space size, and above-mentioned printed circuit board (PCB) only is provided with through hole at the part white space, thereby the electronic product that makes the utility model provide can guarantee the structural strength of printed circuit board (PCB), does not also influence the layout designs of printed circuit board (PCB) itself simultaneously.
Be preferred embodiment of the present utility model only below, be in order to help to understand the spirit and the main points of this patent, but be not to be used to limit protection range of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1. electronic product, comprise first housing, second housing, printed circuit board (PCB) and loud speaker, described printed circuit board (PCB) is installed in by in first housing and the closed space that forms of second housing, described loud speaker is fixedly mounted on first housing, the first flexible sealing portion that is filled with all around of the described loud speaker of ring between described first housing and printed circuit board (PCB), it is characterized in that, described printed circuit board (PCB) also is provided with through hole in the described first flexible sealing portion area surrounded, is provided with the second flexible sealing portion that described printed circuit board (PCB) is cooperated with described second housing seal around the described through hole.
2. a kind of electronic product as claimed in claim 1 is characterized in that, the area of described through hole is not less than 2 square millimeters.
3. a kind of electronic product as claimed in claim 1 is characterized in that described through hole is at least 1.
4. a kind of electronic product as claimed in claim 1 is characterized in that, described shape of through holes is circle or rectangle.
5. a kind of electronic product as claimed in claim 1 is characterized in that, the described loud speaker of a side ring that loud speaker is installed on described first housing is formed with first support portion, and the described first flexible sealing portion is positioned between first support portion and the described printed circuit board (PCB).
6. a kind of electronic product as claimed in claim 1 is characterized in that, is formed with second support portion on described second housing, and the described second flexible sealing portion is positioned between second support portion and the described printed circuit board (PCB).
7. a kind of electronic product as claimed in claim 5 is characterized in that, the described first flexible sealing portion is the sealing foam, and the profile of described sealing foam is identical with the first support portion profile.
8. a kind of electronic product as claimed in claim 6 is characterized in that, the described second flexible sealing portion is the sealing foam, and the profile of described sealing foam is identical with the second support portion profile.
9. a kind of electronic product as claimed in claim 1 is characterized in that, the described first housing upper speaker position also is provided with Air Filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200441468U CN202043261U (en) | 2011-02-22 | 2011-02-22 | Electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200441468U CN202043261U (en) | 2011-02-22 | 2011-02-22 | Electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043261U true CN202043261U (en) | 2011-11-16 |
Family
ID=44970686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200441468U Expired - Fee Related CN202043261U (en) | 2011-02-22 | 2011-02-22 | Electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202043261U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108268A (en) * | 2013-02-07 | 2013-05-15 | 歌尔声学股份有限公司 | Speaker module and electronic device using the same |
| CN103856864A (en) * | 2012-12-04 | 2014-06-11 | 深圳富泰宏精密工业有限公司 | Portable electronic device with loudspeaker assembly |
| CN104113613A (en) * | 2014-07-02 | 2014-10-22 | 深圳市财富之舟科技有限公司 | Mobile phone and method for manufacturing mobile phone |
| CN106101950A (en) * | 2016-07-11 | 2016-11-09 | 深圳天珑无线科技有限公司 | Mobile terminal |
| CN106993250A (en) * | 2017-05-17 | 2017-07-28 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
| CN107426365A (en) * | 2017-08-28 | 2017-12-01 | 深圳传音制造有限公司 | Audio cavity structure and there is its mobile phone |
| CN107493553A (en) * | 2017-10-11 | 2017-12-19 | 深圳传音通讯有限公司 | A kind of smart machine |
| CN111885239A (en) * | 2020-07-31 | 2020-11-03 | 华勤技术有限公司 | Mobile terminal |
-
2011
- 2011-02-22 CN CN2011200441468U patent/CN202043261U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856864A (en) * | 2012-12-04 | 2014-06-11 | 深圳富泰宏精密工业有限公司 | Portable electronic device with loudspeaker assembly |
| CN103856864B (en) * | 2012-12-04 | 2018-04-24 | 深圳富泰宏精密工业有限公司 | Using the portable electron device of loudspeaker assembly |
| CN103108268A (en) * | 2013-02-07 | 2013-05-15 | 歌尔声学股份有限公司 | Speaker module and electronic device using the same |
| CN103108268B (en) * | 2013-02-07 | 2016-08-24 | 歌尔声学股份有限公司 | Speaker module and use the electronic installation of this speaker module |
| CN104113613A (en) * | 2014-07-02 | 2014-10-22 | 深圳市财富之舟科技有限公司 | Mobile phone and method for manufacturing mobile phone |
| CN106101950A (en) * | 2016-07-11 | 2016-11-09 | 深圳天珑无线科技有限公司 | Mobile terminal |
| CN106993250A (en) * | 2017-05-17 | 2017-07-28 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
| CN106993250B (en) * | 2017-05-17 | 2023-01-10 | Oppo广东移动通信有限公司 | Loudspeaker assembly and mobile terminal |
| CN107426365A (en) * | 2017-08-28 | 2017-12-01 | 深圳传音制造有限公司 | Audio cavity structure and there is its mobile phone |
| CN107426365B (en) * | 2017-08-28 | 2023-07-25 | 深圳传音制造有限公司 | Sound cavity structure and mobile phone with same |
| CN107493553A (en) * | 2017-10-11 | 2017-12-19 | 深圳传音通讯有限公司 | A kind of smart machine |
| CN111885239A (en) * | 2020-07-31 | 2020-11-03 | 华勤技术有限公司 | Mobile terminal |
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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: 20111116 Termination date: 20160222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |