CN202679442U - Cell phone and sound chamber structure thereof - Google Patents
Cell phone and sound chamber structure thereof Download PDFInfo
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- CN202679442U CN202679442U CN 201220288803 CN201220288803U CN202679442U CN 202679442 U CN202679442 U CN 202679442U CN 201220288803 CN201220288803 CN 201220288803 CN 201220288803 U CN201220288803 U CN 201220288803U CN 202679442 U CN202679442 U CN 202679442U
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- loudspeaker components
- sidewall
- operatic tunes
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Abstract
The utility model discloses a cell phone and a sound chamber structure thereof. The structure comprises a horn component and a sound outlet hole disposed in a bottom housing. A front of the horn component is arranged with respect to the sound outlet hole. An inner wall of the bottom housing and the periphery of the front of the horn element are sealed to form a front sound chamber of the horn component. The sound chamber structure also comprises a profiled hole disposed in the PCB main board and a second cavity disposed in an inner side of the surface housing. A rear sound chamber of the horn component is communicated with the second cavity by the profiled hole. By disposing the profiled hole in the PCB main board and disposing the second sound chamber in the surface housing, the rear sound chamber of the horn component is communicated with the second sound chamber by the profiled hole. By using the volume of the second sound chamber, the volume of the rear sound chamber of the horn component can be increased, therefore the acoustic short circuit of the low and medium frequency of the horn component can be prevented, the low frequency sound can be more powerful, the sound can be more rotund, the sound quality can be improved, and at the same time the sound volume can be improved.
Description
Technical field
The utility model relates to the structural member field of mobile phone, in particular a kind of audio cavity structure that can effectively improve sound tonequality and improve wave volume.
Background technology
The tonequality that the interior of mobile phone loudspeaker are sounded is relevant with a lot of factors with volume, the quality of loudspeaker components and parts self for example, and the area of sender and position, the volume in front sound chamber and rear sound chamber, and the sealing condition in sound chamber etc.
But, being limited by the restriction of mobile phone volume and size, the tonequality that existing interior of mobile phone loudspeaker are sounded is done volume well and is also done not quite.
Therefore, prior art still haves much room for improvement and develops.
The utility model content
For solving the existing interior of mobile phone loudspeaker low technical problem of lower tone volume of sounding, the utility model provides a kind of Mobile telephone sonic cavity structure, can improve the tonequality that the interior of mobile phone loudspeaker are sounded, the volume that increase interior of mobile phone loudspeaker are sounded.
Simultaneously, the utility model under the prerequisite that does not change mobile phone volume and shape, the mobile phone that also provides a kind of tonequality to give great volume well.
The technical solution of the utility model is as follows: a kind of audio cavity structure, comprise loudspeaker components and parts and the sender that is arranged on the drain pan, the positive corresponding described sender setting of described loudspeaker components and parts, the inwall of described drain pan seals the front operatic tunes that forms described loudspeaker components and parts mutually with the periphery in described loudspeaker components and parts front, wherein: this audio cavity structure also comprises the profiled holes that is arranged on the PCB mainboard and is arranged on the second cavity of face-piece inboard that the rear operatic tunes of described loudspeaker components and parts is communicated to described the second cavity via this profiled holes.
Described audio cavity structure, wherein: this audio cavity structure also comprises a horn bracket, this horn bracket comprises by diapire and special-shaped cavity peripheral around this diapire and that coupled sidewall surrounds, diapire in described special-shaped cavity inboard is provided with the step surface for the described loudspeaker components and parts in adaptive location, described step surface is lower than described bottom wall surface, the bottom of described step surface is provided with through hole, with corresponding described sender.
Described audio cavity structure, wherein: the front operatic tunes that between the outer surface of its through hole and drain pan inwall, forms described loudspeaker components and parts on the described horn bracket via the sealing of the first foam.
Described audio cavity structure, wherein: form first operatic tunes in the operatic tunes behind the described loudspeaker components and parts via the second foam sealing between the sidewall end face of described horn bracket and the described PCB mainboard.
Described audio cavity structure, wherein: the diapire at described step surface periphery is provided be used to the first rib that fixes described loudspeaker components and parts, and described the first rib exceeds this bottom wall surface setting.
Described audio cavity structure, wherein: inboard at described special-shaped cavity, the limit, boundary that is positioned at described diapire and sidewall is located, and parallel interval is provided with a plurality of the second ribs, to cooperate the sidewall on its opposite, jointly fixes described loudspeaker components and parts.
Described audio cavity structure, wherein: described horn bracket also comprises and is arranged on the assembly wall that is used for fixed antenna on the sidewall of the described special-shaped cavity outside.
Described audio cavity structure, wherein: an end of described assembly wall extends the sidewall that it connects, and the intersection of the another side of described assembly wall and described special-shaped cavity outside sidewall is provided with the erecting bed for fixed antenna feedback point.
Described audio cavity structure, wherein: described face-piece inboard forms second operatic tunes in the operatic tunes behind the described loudspeaker components and parts via the sealing of the 3rd foam between the periphery surface of the second cavity oral area and described PCB mainboard.
A kind of mobile phone comprises face-piece, PCB mainboard and drain pan, and described PCB mainboard is folded between described face-piece and the drain pan, wherein: also be provided with in this mobile phone such as above-mentioned each described audio cavity structure.
A kind of mobile phone provided by the utility model and audio cavity structure thereof, profiled holes is set and the technological means of second operatic tunes is set at face-piece owing to adopted at the PCB mainboard, the rear operatic tunes of loudspeaker components and parts is communicated to second operatic tunes via profiled holes, utilize the volume of this second operatic tunes to increase the volume of the operatic tunes behind the loudspeaker components and parts, and then prevented the acoustic short circuit of loudspeaker components and parts medium and low frequencies, make low-frequency sound that dynamics be arranged more, make people's perceived sounds mellow and full much, also improved the volume of sound when having improved tonequality.
Description of drawings
Fig. 1 is the viewgraph of cross-section of the utility model audio cavity structure.
Fig. 2 is the related at hand shell outside partial perspective view of the utility model audio cavity structure.
Fig. 3 is the inboard partial perspective view of the related at hand shell of the utility model audio cavity structure.
Fig. 4 is horn bracket related in the utility model audio cavity structure and the exploded view of loudspeaker components and parts.
Fig. 5 is the stereogram after the loudspeaker components and parts among the utility model Fig. 2 are installed to horn bracket.
Fig. 6 is the inboard partial perspective view of the drain pan behind assembling loudspeaker and the support thereof in the utility model audio cavity structure.
Fig. 7 is the inboard partial perspective view of the related mobile telephone surface shell of the utility model audio cavity structure.
Fig. 8 is the positive partial perspective view of the related mobile phone PCB mainboard assembly of the utility model audio cavity structure.
Fig. 9 is the isometric front view behind the utility model audio cavity structure assembling mobile phone PCB mainboard.
Embodiment
Below with reference to accompanying drawing, embodiment of the present utility model and embodiment are described in detail, described specific embodiment is not be used to limiting embodiment of the present utility model only in order to explain the utility model.
As shown in Figure 1, Fig. 1 is the viewgraph of cross-section of the utility model audio cavity structure, take mobile phone as example, several main parts size that this audio cavity structure relates to comprise loudspeaker components and parts 110, drain pan 120, PCB mainboard 130 and face-piece 140, be provided with sender 121 at described drain pan 120, the front of described loudspeaker components and parts 110 is to arranging by sender 121, the inwall of described drain pan 120 seals the front operatic tunes 200 that forms described loudspeaker components and parts 110 mutually with the periphery in described loudspeaker components and parts 110 fronts, be provided with profiled holes 131 at described PCB mainboard 130, be provided with the second cavity 141 in the inboard of described face-piece 140, the rear operatic tunes of described loudspeaker components and parts 110 is communicated to this second cavity 141 via described profiled holes 131, can increase thus the volume of the operatic tunes behind the mobile phone, Effective Raise loudspeaker components and parts tonequality and the volumes of sounding.
As shown in Figure 2, Fig. 2 is the related at hand shell outside partial perspective view of the utility model audio cavity structure, and the sender 121 of slotted hole shape is positioned on the axis of these drain pan 120 bottoms; Again as shown in Figure 3, Fig. 3 is the inboard partial perspective view of the related at hand shell of the utility model audio cavity structure, and the drain pan inner space at described sender 121 places is used for installing and fixing the loudspeaker components and parts.
In the preferred implementation of the utility model audio cavity structure, also can first described loudspeaker components and parts 110 be placed in the horn bracket that designs in advance 150, and then this horn bracket 150 be fixed on the inboard of described drain pan 120 in the mode of buckle.The benefit of doing like this is, can greatly reduce the difficulty of the inside FPC antenna that the products such as mobile phone directly are installed at the sidewall of described drain pan 120.
As shown in Figure 4, Fig. 4 is horn bracket related in the utility model audio cavity structure and the exploded view of loudspeaker components and parts, described horn bracket 110 comprises the special-shaped cavity 153 that is surrounded by diapire 151 and the sidewall 152 that is connected around these diapire 151 peripheries, diapire 151 in described special-shaped cavity 153 inboards is provided with the step surface 154 that is lower than described diapire 151 surfaces, the front that is used for the described loudspeaker components and parts 110 in adaptive location, the bottom of described step surface 154 is provided with Long Circle through hole 155, this through hole 155 is corresponding with the sender on the drain pan that is arranged on the products such as mobile phone after the installation, in order to spread out of the sound that described loudspeaker components and parts 110 send.
Concrete, the diapire 151 at described step surface 154 periphery places is provided with the first rib 156 that exceeds these diapire 151 surfaces, is used for fixing the two ends of described loudspeaker components and parts 110; In described special-shaped cavity 153 inboards, be positioned at described diapire 151 and locate with the limit, boundary of sidewall 152, parallel interval is provided with a plurality of the second ribs 157, is used for cooperating the sidewall 152 common both sides that fix described loudspeaker components and parts 110 on these the second rib 157 opposites.
In conjunction with shown in Figure 5, Fig. 5 is the stereogram after the loudspeaker components and parts among the utility model Fig. 2 are installed to horn bracket, the height of described the first rib 156 and the second rib 157 all is lower than the height of the sidewall 152 that surrounds described special-shaped cavity 153, after described loudspeaker components and parts 110 are assembled in the special-shaped cavity 153 of described horn bracket 150, can realize being electrically connected by the PCB mainboard of the products such as two resilient contacts 111 on described loudspeaker components and parts 110 back sides and mobile phone.
Be preferably, described horn bracket 150 also comprises the assembly wall 158 that is arranged on one connection on described special-shaped cavity 153 outside sidewalls 152, is used for fixedly FPC antenna, and the length of described assembly wall 158 and width can be determined according to the size of FPC antenna.
For example, one end of described assembly wall 158 extends its sidewall that connects 152, and at the another side of described assembly wall 158, intersection with described special-shaped cavity 153 outside sidewalls 152, also be provided with the erecting bed 159 for fixing described FPC antenna feed point, feedback point section 161 bendings of described FPC antenna are by being fixed on this erecting bed 159 by its gum.
In conjunction with shown in Figure 6, Fig. 6 is the inboard partial perspective view of the drain pan behind assembling loudspeaker and the support thereof in the utility model audio cavity structure, before the horn bracket 150 that loudspeaker components and parts 110 will be housed is assembled on the described drain pan 120, just can be very easily gum by FPC antenna 160 self this FPC antenna 160 is cemented on the described horn bracket 150, greatly reduce thus the difficulty of the inside FPC antenna that the products such as mobile phone directly are installed at the sidewall of drain pan.
Return again shown in Figure 1ly, between the outer surface of its through hole and corresponding drain pan 120 inwalls, form the front operatic tunes 200 of described loudspeaker components and parts 110 on the described horn bracket 150 via 210 sealings of the first foam; Form first operatic tunes in the described loudspeaker components and parts 110 rear operatic tunes 300 via 310 sealings of the second foam between the sidewall end face of described horn bracket 150 and the corresponding PCB mainboard 130, described face-piece 140 inboards between the periphery surface of described the second cavity 141 oral areas and corresponding PCB mainboard 130 via second operatic tunes in the described loudspeaker components and parts 110 rear operatic tunes 300 of the 3rd foam 320 sealing formation.Utilize thus the compressibility of the first foam 210, the second foam 310 and the 3rd foam 320 and good sealing property, improved the sealing condition of the front operatic tunes 200 and the rear operatic tunes 300, improved better the tonequality that described loudspeaker components and parts 110 sound and increased its volume.
In conjunction with shown in Figure 7, Fig. 7 is the inboard partial perspective view of the related mobile telephone surface shell of the utility model audio cavity structure, the second cavity 141 of abnormity is positioned at the bottom of described face-piece 140, and described the second cavity is surrounded by the sidewall of a circle sealing, and described the 3rd foam 320 is attached to the end face of this sidewall; And be connected with its second operatic tunes for first operatic tunes with described loudspeaker components and parts, in conjunction with shown in Figure 8, Fig. 8 is the positive partial perspective view of the related mobile phone PCB mainboard assembly of the utility model audio cavity structure, described profiled holes 131 is located on the axis of described PCB mainboard 130 bottoms, the size of this profiled holes 131 should be less than the area of the second cavity on the mobile telephone surface shell, also the area than the special-shaped cavity on the horn bracket is little, in conjunction with shown in Figure 9, Fig. 9 is the isometric front view behind the utility model audio cavity structure assembling mobile phone PCB mainboard, the position of described profiled holes 131 also will be laid in the second cavity and special-shaped cavity and project within the projected area on the PCB mainboard 130, helps thus to seal the rear operatic tunes of loudspeaker components and parts 110.
Based on above-mentioned audio cavity structure, the utility model has also proposed the mobile phone that a kind of tonequality gives great volume well, comprise face-piece, PCB mainboard and drain pan, described PCB mainboard is folded between described face-piece and the drain pan, wherein: in this mobile phone, also be provided with each described audio cavity structure in above-described embodiment, can under the prerequisite that does not change mobile phone volume and shape, improve tonequality and its volume of raising that the loudspeaker components and parts are sounded by the rear operatic tunes that adds the typhon components and parts thus.
Should be understood that; the above only is preferred embodiment of the present utility model; be not sufficient to limit the technical solution of the utility model; for those of ordinary skills; within spirit of the present utility model and principle; can be increased and decreased according to the above description, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection range of the utility model claims.
Claims (10)
1. audio cavity structure, comprise loudspeaker components and parts and the sender that is arranged on the drain pan, the positive corresponding described sender setting of described loudspeaker components and parts, the inwall of described drain pan seals the front operatic tunes that forms described loudspeaker components and parts mutually with the periphery in described loudspeaker components and parts front, it is characterized in that: this audio cavity structure also comprises the profiled holes that is arranged on the PCB mainboard and is arranged on the second cavity of face-piece inboard that the rear operatic tunes of described loudspeaker components and parts is communicated to described the second cavity via this profiled holes.
2. audio cavity structure according to claim 1, it is characterized in that: this audio cavity structure also comprises a horn bracket, this horn bracket comprises by diapire and special-shaped cavity peripheral around this diapire and that coupled sidewall surrounds, diapire in described special-shaped cavity inboard is provided with the step surface for the described loudspeaker components and parts in adaptive location, described step surface is lower than described bottom wall surface, the bottom of described step surface is provided with through hole, with corresponding described sender.
3. audio cavity structure according to claim 2 is characterized in that: the front operatic tunes that forms described loudspeaker components and parts on the described horn bracket between the outer surface of its through hole and drain pan inwall via the sealing of the first foam.
4. audio cavity structure according to claim 2 is characterized in that: form first operatic tunes in the operatic tunes behind the described loudspeaker components and parts via the sealing of the second foam between the sidewall end face of described horn bracket and the described PCB mainboard.
5. audio cavity structure according to claim 2, it is characterized in that: the diapire at described step surface periphery is provided be used to the first rib that fixes described loudspeaker components and parts, and described the first rib exceeds this bottom wall surface setting.
6. audio cavity structure according to claim 2, it is characterized in that: inboard at described special-shaped cavity, the limit, boundary that is positioned at described diapire and sidewall is located, and parallel interval is provided with a plurality of the second ribs, to cooperate the sidewall on its opposite, jointly fix described loudspeaker components and parts.
7. audio cavity structure according to claim 2 is characterized in that: described horn bracket also comprises and is arranged on the assembly wall that is used for fixed antenna on the sidewall of the described special-shaped cavity outside.
8. audio cavity structure according to claim 7, it is characterized in that: an end of described assembly wall extends the sidewall that it connects, the intersection of the another side of described assembly wall and described special-shaped cavity outside sidewall is provided with the erecting bed for fixed antenna feedback point.
9. audio cavity structure according to claim 1 is characterized in that: described face-piece inboard forms second operatic tunes in the operatic tunes behind the described loudspeaker components and parts via the sealing of the 3rd foam between the periphery surface of the second cavity oral area and described PCB mainboard.
10. a mobile phone comprises face-piece, PCB mainboard and drain pan, and described PCB mainboard is folded between described face-piece and the drain pan, it is characterized in that: also be provided with in this mobile phone such as each described audio cavity structure in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288803 CN202679442U (en) | 2012-06-19 | 2012-06-19 | Cell phone and sound chamber structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288803 CN202679442U (en) | 2012-06-19 | 2012-06-19 | Cell phone and sound chamber structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679442U true CN202679442U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220288803 Expired - Fee Related CN202679442U (en) | 2012-06-19 | 2012-06-19 | Cell phone and sound chamber structure thereof |
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| Country | Link |
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| CN (1) | CN202679442U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014110953A1 (en) * | 2013-01-18 | 2014-07-24 | 歌尔声学股份有限公司 | Ultrathin loudspeaker module |
| 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 |
| WO2018129801A1 (en) * | 2017-01-16 | 2018-07-19 | 捷开通讯(深圳)有限公司 | Mobile terminal spk sound chamber structure and mobile terminal |
| CN109040923A (en) * | 2018-08-13 | 2018-12-18 | 上海创功通讯技术有限公司 | Welding bell group and mobile terminal containing it |
| CN109451120A (en) * | 2018-10-15 | 2019-03-08 | 歌尔股份有限公司 | A kind of mobile terminal device |
| CN109889932A (en) * | 2019-02-25 | 2019-06-14 | 上海摩软通讯技术有限公司 | A kind of loudspeaker cavity |
| CN113099003A (en) * | 2021-04-06 | 2021-07-09 | 维沃移动通信有限公司 | Electronic device |
| CN113382099A (en) * | 2021-06-09 | 2021-09-10 | 维沃移动通信有限公司 | Electronic device |
| CN114157738A (en) * | 2021-11-29 | 2022-03-08 | 宜宾邦华智慧科技有限公司 | Mobile phone with sound cavity structure and 3D sound quality |
-
2012
- 2012-06-19 CN CN 201220288803 patent/CN202679442U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9525933B2 (en) | 2013-01-18 | 2016-12-20 | Goertek Inc. | Ultrathin speaker module |
| WO2014110953A1 (en) * | 2013-01-18 | 2014-07-24 | 歌尔声学股份有限公司 | Ultrathin loudspeaker module |
| US10613594B2 (en) | 2017-01-16 | 2020-04-07 | Jrd Communication Inc. | Speaker sound cavity structure of mobile terminal, and mobile terminal |
| WO2018129801A1 (en) * | 2017-01-16 | 2018-07-19 | 捷开通讯(深圳)有限公司 | Mobile terminal spk sound chamber structure 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 |
| CN109040923A (en) * | 2018-08-13 | 2018-12-18 | 上海创功通讯技术有限公司 | Welding bell group and mobile terminal containing it |
| CN109451120A (en) * | 2018-10-15 | 2019-03-08 | 歌尔股份有限公司 | A kind of mobile terminal device |
| CN109889932A (en) * | 2019-02-25 | 2019-06-14 | 上海摩软通讯技术有限公司 | A kind of loudspeaker cavity |
| CN113099003A (en) * | 2021-04-06 | 2021-07-09 | 维沃移动通信有限公司 | Electronic device |
| CN113382099A (en) * | 2021-06-09 | 2021-09-10 | 维沃移动通信有限公司 | Electronic device |
| CN114157738A (en) * | 2021-11-29 | 2022-03-08 | 宜宾邦华智慧科技有限公司 | Mobile phone with sound cavity structure and 3D sound quality |
| CN114157738B (en) * | 2021-11-29 | 2023-06-23 | 宜宾邦华智慧科技有限公司 | Mobile phone with sound cavity structure and 3D tone quality of external playing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130619 |