CN103517165A - Loudspeaker sound cavity structure and mobile terminal using same - Google Patents
Loudspeaker sound cavity structure and mobile terminal using same Download PDFInfo
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- CN103517165A CN103517165A CN201310017258.8A CN201310017258A CN103517165A CN 103517165 A CN103517165 A CN 103517165A CN 201310017258 A CN201310017258 A CN 201310017258A CN 103517165 A CN103517165 A CN 103517165A
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Abstract
The invention provides a loudspeaker sound cavity structure and a mobile terminal using the loudspeaker sound cavity structure. The loudspeaker sound cavity structure comprises a shell, sheet metal and a seal part. A sound making hole is formed in the shell in a penetrating mode and serves as a sound making channel of a loudspeaker. An annular protrusion is arranged on the inner side of the shell and used for surrounding the sound making hole and can be matched with the loudspeaker. The annular protrusion is provided with a matching hole used for penetrating a flexible circuit board, and the matching hole is matched with the flexible circuit board in a sealing mode. The sheet metal is located on the annular protrusion on the inner side of the shell. The seal part is located between the annular protrusion and the sheet metal, and the seal part, the annular protrusion and the sheet metal form a sealed space. By the adoption of the loudspeaker sound cavity structure and the mobile terminal, the thickness of the mobile terminal can be reduced, and multiple selections of connecting positions between the loudspeaker and a main board are achieved.
Description
Technical field
The invention belongs to field of mobile terminals, relate in particular to a kind of audio cavity structure of mobile terminal loud speaker.
Background technology
Flourish due to mobile technology, make mobile terminal product, such as: mobile phone etc., become the indispensable essential tool of people now, now mobile phone not only can be used as call instrument and uses, and also becomes the important medium that people now carry out the multimedia recreations such as video display, song audiovisual, is especially being required to meet mobile phone complete machine thin thickness, speaker cavity sealing is intact, and the good demand of audio performance grows with each passing day.Therefore need a kind of complete machine thin thickness, speaker cavity sealing is intact, audio performance is good mobile terminal badly.
It is below prior art speaker cavity structural representation, refer to shown in Fig. 1, this mobile terminal product is to take a mobile phone as example, its loud speaker 12 is positioned in housing 11, thereby loud speaker 12 is realized and is electrically connected to the conducting that has realized loud speaker and mainboard with circuit board 16 by connector 15 by the other end of the sheet metal 141 of connection ，Yin chamber, the sheet metal 141 one end support of loud speaker shell fragment 121Yu Yin chamber support.In order to prevent that loud speaker shell fragment 121 and the sheet metal 141 of sheet metal 141 short circuit ，Yin chamber supports from comprising two sheet metals of isolation mutually, is electrically connected to the both positive and negative polarity of loud speaker shell fragment 121 respectively.In order to guarantee the sealing of sound chamber support 14, common way is that two sheet metals 141 and the technique of plastic sheet 142 by injection moulding are completed, in order to form sound chamber support 14.Then sound chamber support 14, housing 11 connect by foam 13, form the sound cavity space of a sealing.Because sound chamber support 14 is formed by injection moulding by sheet metal 141 and plastic sheet 142, comprise sheet metal 141 and plastic sheet 142 two parts, so thickness is thicker, its thickness is at least 0.6 millimeter.And because sound chamber support 14 forms an integral body by sheet metal 141 and plastic sheet 142 by injection moulding, be not easy arbitrarily to change with the change of hardware wiring the link position of loud speaker and mainboard.
By above-mentioned mobile terminal thin thickness, speaker cavity, sealing intact design can know and learn, one of known solution, the seal chamber that as far as possible adopts loud speaker ，Ba Yin chamber support that thickness is less and housing to form is done little as far as possible, thereby reaches the object that reduces mobile terminal thickness.But the method is when the thickness attenuation that makes mobile terminal, but cannot provide enough height and volume to loud speaker, therefore cannot guarantee the audio that loud speaker is good, can not make the placement location of loud speaker not be subject to the long-pending restriction of mainboard wiring side.Therefore need badly and a kind ofly can, when keeping mobile terminal thin thickness, can keep again the mobile terminal that speaker cavity sealing is intact, audio performance is good.
Summary of the invention
The present invention, for solving the problems of the technologies described above, provides a kind of speaker cavity configuration that can take into account mobile terminal thickness and audio.
A kind of speaker cavity configuration, comprise: housing, described housing be provided with run through himself sender as loud speaker sound channel, described housing inner side is provided with for around sender and the circular protrusion that can coordinate with loud speaker, described circular protrusion is provided with for the mating holes through flexible circuit board, and described mating holes and described flexible circuit board are sealed and matched; Sheet metal, described sheet metal is positioned at inside housing on described circular protrusion; Seal, described seal, between described circular protrusion and sheet metal, and forms seal cavity with circular protrusion, sheet metal.
Further, described sheet metal is groove shape or plain film shape.
Further, described sheet metal is a kind of in copper, stainless steel, aluminium alloy or magnesium alloy.
Further, described mating holes is sealed and matched by flexible glue injection moulding and described flexible circuit board.
Further, described flexible glue is a kind of in TPU, TPE or TPU/TPE mixture.
Further, described seal is specially foam.
The invention also discloses a kind of mobile terminal, comprise mainboard, loud speaker and above-mentioned speaker cavity configuration, described loud speaker is electrically connected to described mainboard by flexible circuit board, and described loud speaker is positioned at the seal cavity of described audio cavity structure.
Further, described mobile terminal also comprises connector, and described connector is fixed on mainboard, and described connector two ends are electrically connected to described mainboard and flexible circuit board respectively.
Compared with prior art, in the present invention, by sheet metal as sound chamber support, can omit the plastic sheet in the support of prior art middle pitch chamber, thereby can reduce the thickness of sound chamber support, and then the thickness of reduction mobile terminal, thickness reduction due to sound chamber support, can stay remaining enough spaces to select conventional loud speaker, avoided in order to reduce mobile terminal thickness, selecting little loud speaker to cause the not good result of audio in prior art, thereby guaranteed the audio performance of loud speaker in the present invention.And by flexible circuit board, realize the electrical connection of loud speaker and mainboard, because the shape of flexible circuit board has changeability, so can realize the multi-selection of loud speaker and mainboard link position, be not subject to the impact of motherboard hardware wiring area.
Accompanying drawing explanation
Fig. 1 is the structural representation of the speaker cavity configuration that provides of prior art.
Fig. 2 is the structural representation of the first embodiment of speaker cavity configuration provided by the invention.
Fig. 3 is the structure explosive view of the first embodiment of speaker cavity configuration provided by the invention.
Fig. 4 is the structural representation of the second embodiment of speaker cavity configuration provided by the invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 2 is the structural representation of the first embodiment of speaker cavity configuration of the present invention, and Fig. 3 is the structure explosive view of the first embodiment of speaker cavity configuration of the present invention, and described speaker cavity configuration is arranged in a mobile terminal product.In the present embodiment, described mobile terminal is to take a mobile phone as example.Described speaker cavity configuration, comprise: housing 11, described housing 11 is provided with and runs through himself sender 111 of 11 as the passage of speaking of loud speaker 12, described housing 11 inner sides are provided with for around sender 111 and the circular protrusion 112 that can coordinate with loud speaker 12, described circular protrusion 112 is provided with for the mating holes 1121 through flexible circuit board 27, and described mating holes 1121 is sealed and matched with described flexible circuit board 27; Sheet metal 151, described sheet metal 151 is positioned on the housing 11 described circular protrusions 112 in inner side; Seal 13, described seal 13, between described circular protrusion 112 and sheet metal 151, and forms seal cavities with circular protrusion 112, sheet metal 151.By sheet metal 151 as sound chamber support, and form seal cavity with circular protrusion 112, seal 13, for holding described loud speaker 12, therefore can omit the plastic sheet in the support of prior art middle pitch chamber, thereby can reduce the thickness of sound chamber support, and then reduce the thickness of mobile terminal.
In the present embodiment, described sheet metal 151 is plain film shape, and under preferable case, as shown in Figure 4, described sheet metal 151 is groove shape, the surperficial edge that described sheet metal 151 is connected with seal 13 to the directional ring of described seal 13 around a circle projection.
In concrete enforcement, described sheet metal 151 is a kind of in copper, stainless steel, aluminium alloy or magnesium alloy.In the present embodiment, described sheet metal 151 is preferably stainless steel.，Yin chamber support only comprises sheet metal 141 in the present embodiment, has omitted plastic sheet of the prior art, thus can effectively reduce the thickness of sound chamber support, and then reduce the thickness of mobile terminal.Because sound chamber support only comprises sheet metal 141, thus its thinner thickness, between 0.15 millimeter to 0.20 millimeter.Thickness reduction due to sound chamber support, can stay remaining enough spaces to select conventional loud speaker, avoided in order to reduce mobile terminal thickness, selecting little loud speaker to cause the not good result of audio in prior art, thereby guaranteed the audio performance of loud speaker in the present invention.
In concrete enforcement, described mating holes 1121 is sealed and matched by flexible glue 28 injection mouldings and described flexible circuit board 27.Described flexible circuit board 27, through the hole 1121 that is sealed and matched of the injection moulding by flexible glue 28 after mating holes 1121, can be fixed on flexible circuit board 27 in mating holes 1121, and the hole 1121 that is sealed and matched.
In concrete enforcement, described flexible glue 28 is TPU(Thermo Plastic Polyurethanes, thermoplastic polyurethane elastic plastic cement), TPE(Thermo Plastic Elastomer, thermoplastic elastomer (TPE)) or TPU/TPE mixture in a kind of.
In concrete enforcement, described seal 13 is specially foam 13.Described foam 13, between circular protrusion 112 and sheet metal 151, can be combined circular protrusion 112 and sheet metal 151 sealed junctions, forms the seal cavity of described loud speaker 13.
The present invention also provides a kind of mobile terminal of above-described embodiment, and described mobile terminal comprises the speaker cavity configuration in mainboard 16, loud speaker 12 and above-described embodiment.By sheet metal 151 as sound chamber support, and form seal cavity with circular protrusion 112, sheet metal 151, for holding described loud speaker, therefore can omit the plastic sheet in the support of prior art middle pitch chamber, thereby can reduce the thickness of sound chamber support, and then reduce the thickness of mobile terminal.
In concrete enforcement, described mobile terminal also comprises connector 15, and described flexible circuit board 27 one end are electrically connected to loud speaker 12, and the rear other end of mating holes 1121 that passes the circular protrusion 112 of housing 11 is electrically connected to connector 15.
In concrete enforcement, described connector 15 comprises at least one, and described connector 15 is fixedly connected on mainboard 16.Described connector 15 one end are electrically connected to flexible circuit board 27, and the other end is electrically connected to mainboard 16.Utilize connector 15 that flexible circuit board 27 and mainboard 16 are linked together, both realized the fixing of flexible circuit board 27, realized being again electrically connected to of mainboard 16 and flexible circuit board 27.Because flexible circuit board 27 one end is electrically connected to mainboard 16 by connector 15, the other end is electrically connected to loud speaker 12, thereby has realized being electrically connected to of loud speaker 12 and mainboard 16, the normal operation of assurance loud speaker 12.
In the present embodiment, utilize flexible circuit board 27 to realize the electrical connection of loud speaker 12 and mainboard 16, because the shape of flexible circuit board 27 has changeability, so can realize the multi-selection of loud speaker 12 and mainboard 16 link positions, be not subject to the impact of motherboard hardware wiring area.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an audio cavity structure for loud speaker, is characterized in that, comprising:
Housing, described housing be provided with run through himself sender as loud speaker sound channel, described housing inner side is provided with for around sender and the circular protrusion that can coordinate with loud speaker, described circular protrusion is provided with for the mating holes through flexible circuit board, and described mating holes and described flexible circuit board are sealed and matched;
Sheet metal, described sheet metal is positioned at inside housing on described circular protrusion;
Seal, described seal, between described circular protrusion and sheet metal, and forms seal cavity with circular protrusion, sheet metal.
2. speaker cavity configuration as claimed in claim 1, is characterized in that: described sheet metal is groove shape or plain film shape.
3. speaker cavity configuration as claimed in claim 2, is characterized in that: described sheet metal is a kind of in copper, stainless steel, aluminium alloy or magnesium alloy.
4. speaker cavity configuration as claimed in claim 1, is characterized in that: described mating holes is sealed and matched by flexible glue injection moulding and described flexible circuit board.
5. speaker cavity configuration as claimed in claim 4, is characterized in that: described flexible glue is a kind of in TPU, TPE or TPU/TPE mixture.
6. speaker cavity configuration as claimed in claim 1, is characterized in that: described seal is specially foam.
7. a mobile terminal, it is characterized in that: comprise mainboard, loud speaker and as the speaker cavity configuration of claim 1 to 6 any one, described loud speaker is electrically connected to described mainboard by flexible circuit board, and described loud speaker is positioned at the seal cavity of described audio cavity structure.
8. mobile terminal as claimed in claim 7, is characterized in that: described mobile terminal also comprises connector, and described connector is fixed on mainboard, and described connector two ends are electrically connected to described mainboard and flexible circuit board respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310017258.8A CN103517165A (en) | 2012-06-27 | 2013-01-17 | Loudspeaker sound cavity structure and mobile terminal using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210213983 | 2012-06-27 | ||
| CN201210213983.8 | 2012-06-27 | ||
| CN201310017258.8A CN103517165A (en) | 2012-06-27 | 2013-01-17 | Loudspeaker sound cavity structure and mobile terminal using same |
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| CN103517165A true CN103517165A (en) | 2014-01-15 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243643A (en) * | 2014-09-15 | 2014-12-24 | 青岛海信移动通信技术股份有限公司 | Mobile phone capable of sending out sound from front |
| CN104967926A (en) * | 2015-06-16 | 2015-10-07 | 成都西可科技有限公司 | Sealing and sound outputting structure for sound chamber of loudspeaker |
| CN105142076A (en) * | 2015-08-07 | 2015-12-09 | 上海斐讯数据通信技术有限公司 | Loudspeaker structure with super bass and mobile terminal with such structure |
| CN106060193A (en) * | 2016-05-17 | 2016-10-26 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN106696176A (en) * | 2017-02-16 | 2017-05-24 | 上海与德通讯技术有限公司 | Mobile terminal shell and manufacturing method thereof |
| WO2017128858A1 (en) * | 2016-01-28 | 2017-08-03 | 中兴通讯股份有限公司 | Sound chamber structure and terminal |
| WO2017206733A1 (en) * | 2016-05-31 | 2017-12-07 | 京东方科技集团股份有限公司 | Mounting assembly for use in mobile terminal and mobile terminal using same |
| CN107683611A (en) * | 2015-08-31 | 2018-02-09 | 丰达电机株式会社 | Electroacoustic transducer, the assembly with electroacoustic transducer and the electro-acoustic conversion device with the assembly |
| CN109302661A (en) * | 2017-07-25 | 2019-02-01 | 中兴通讯股份有限公司 | A kind of mobile terminal |
| CN109714694A (en) * | 2018-12-27 | 2019-05-03 | 瑞声光电科技(常州)有限公司 | Acoustic performance testing device |
| CN112511932A (en) * | 2020-12-18 | 2021-03-16 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
| CN115002261A (en) * | 2021-09-18 | 2022-09-02 | 荣耀终端有限公司 | Electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114237Y (en) * | 2007-09-24 | 2008-09-10 | 中兴通讯股份有限公司 | Mobile telephone sonic cavity structure |
| US20090296970A1 (en) * | 2008-05-30 | 2009-12-03 | Chi Mei Communication Systems, Inc. | Sound box and portable electronic device using the same |
| CN101895798A (en) * | 2010-07-29 | 2010-11-24 | 青岛海信移动通信技术股份有限公司 | Sound cavity sealing structure of loudspeaker, and portable mobile terminal |
| CN102347998A (en) * | 2011-06-28 | 2012-02-08 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and sound cavity structure of speaker thereof |
| CN203120147U (en) * | 2012-06-27 | 2013-08-07 | 惠州比亚迪电子有限公司 | A loudspeaker sound chamber structure and a mobile terminal using the same |
-
2013
- 2013-01-17 CN CN201310017258.8A patent/CN103517165A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201114237Y (en) * | 2007-09-24 | 2008-09-10 | 中兴通讯股份有限公司 | Mobile telephone sonic cavity structure |
| US20090296970A1 (en) * | 2008-05-30 | 2009-12-03 | Chi Mei Communication Systems, Inc. | Sound box and portable electronic device using the same |
| CN101895798A (en) * | 2010-07-29 | 2010-11-24 | 青岛海信移动通信技术股份有限公司 | Sound cavity sealing structure of loudspeaker, and portable mobile terminal |
| CN102347998A (en) * | 2011-06-28 | 2012-02-08 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and sound cavity structure of speaker thereof |
| CN203120147U (en) * | 2012-06-27 | 2013-08-07 | 惠州比亚迪电子有限公司 | A loudspeaker sound chamber structure and a mobile terminal using the same |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104243643A (en) * | 2014-09-15 | 2014-12-24 | 青岛海信移动通信技术股份有限公司 | Mobile phone capable of sending out sound from front |
| CN104967926B (en) * | 2015-06-16 | 2018-09-11 | 成都西可科技有限公司 | A kind of sealing of loudspeaker sound chamber and go out sound structure |
| CN104967926A (en) * | 2015-06-16 | 2015-10-07 | 成都西可科技有限公司 | Sealing and sound outputting structure for sound chamber of loudspeaker |
| CN105142076A (en) * | 2015-08-07 | 2015-12-09 | 上海斐讯数据通信技术有限公司 | Loudspeaker structure with super bass and mobile terminal with such structure |
| CN107683611B (en) * | 2015-08-31 | 2019-10-18 | 丰达电机株式会社 | Electroacoustic transducer, the assembly with electroacoustic transducer and the electro-acoustic conversion device with the assembly |
| CN107683611A (en) * | 2015-08-31 | 2018-02-09 | 丰达电机株式会社 | Electroacoustic transducer, the assembly with electroacoustic transducer and the electro-acoustic conversion device with the assembly |
| WO2017128858A1 (en) * | 2016-01-28 | 2017-08-03 | 中兴通讯股份有限公司 | Sound chamber structure and terminal |
| CN106060193A (en) * | 2016-05-17 | 2016-10-26 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| WO2017206733A1 (en) * | 2016-05-31 | 2017-12-07 | 京东方科技集团股份有限公司 | Mounting assembly for use in mobile terminal and mobile terminal using same |
| US10375461B2 (en) | 2016-05-31 | 2019-08-06 | Boe Technology Group Co., Ltd. | Mounting assembly for use in mobile terminal and mobile terminal using the same |
| CN106696176A (en) * | 2017-02-16 | 2017-05-24 | 上海与德通讯技术有限公司 | Mobile terminal shell and manufacturing method thereof |
| CN109302661A (en) * | 2017-07-25 | 2019-02-01 | 中兴通讯股份有限公司 | A kind of mobile terminal |
| CN109714694A (en) * | 2018-12-27 | 2019-05-03 | 瑞声光电科技(常州)有限公司 | Acoustic performance testing device |
| CN112511932A (en) * | 2020-12-18 | 2021-03-16 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box and assembling process thereof |
| WO2022126769A1 (en) * | 2020-12-18 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and assembly process therefor |
| CN115002261A (en) * | 2021-09-18 | 2022-09-02 | 荣耀终端有限公司 | Electronic equipment |
| CN115002261B (en) * | 2021-09-18 | 2023-04-11 | 荣耀终端有限公司 | Electronic equipment |
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