CN201663593U - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN201663593U CN201663593U CN2010201501391U CN201020150139U CN201663593U CN 201663593 U CN201663593 U CN 201663593U CN 2010201501391 U CN2010201501391 U CN 2010201501391U CN 201020150139 U CN201020150139 U CN 201020150139U CN 201663593 U CN201663593 U CN 201663593U
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- circuit board
- printed circuit
- pcb
- antenna
- portable terminal
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Abstract
The embodiment of the utility model provides a mobile terminal, which comprises a printed circuit board, an antenna, an electroacoustic element and a sound guide pipe, wherein the printed circuit board is provided with a communication module, the antenna is arranged above the printed circuit board at a certain height and is used for receiving communication signals, the electroacoustic element is arranged on the printed circuit board and positioned outside a region of a plate body of the printed circuit board covered by the antenna, and the sound guide pipe is positioned between the electroacoustic element and a correspondingly sound outlet hole and conducts the sound of the electroacoustic element to the sound outlet hole. When the embodiment of the utility model is implemented, the mutual interference between the electroacoustic element and the antenna in the mobile terminal can be avoided, so the communication quality can be improved.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind of portable terminal.
Background technology
As shown in Figure 1, in portable terminal, the electroacoustic component of receiver 11 and loud speaker 12 etc. generally is arranged on the printed circuit board (PCB) 13 at present, is positioned within the plate body zone of printed circuit board (PCB) 13 by antenna 14 coverings.For receiver 11, it is arranged at printed circuit board (PCB) 13 one side of antenna 14 dorsad when specifically implementing, and be positioned within the plate body zone corresponding with antenna 14 positions, and the preceding sound chamber 111 of receiver 11 is towards the opening of receiver 15; For loud speaker 12, it is arranged at the one side of printed circuit board (PCB) 13 towards antenna 14 when specifically implementing, be positioned within the plate body zone that printed circuit board (PCB) 13 covers by antenna 14, and the sender 141 that is provided with on the antenna 14 of the preceding sound chamber 121 of loud speaker 12.Because electro-acoustic element contains metal ingredient, transmitting power and receiving sensitivity to antenna 14 have considerable influence, and electro-acoustic element also introduces the radio frequency interference of antenna 14 easily, in sum, there is mutual interference mutually in electroacoustic component with antenna in the present portable terminal, has reduced communication quality.
The utility model content
In view of the technical problem that prior art exists, the utility model embodiment proposes a kind of portable terminal, can avoid electroacoustic component and antenna mutual interference mutually in the portable terminal, thereby improves communication quality.
In order to solve the problems of the technologies described above, the utility model embodiment proposes a kind of portable terminal, comprise the printed circuit board (PCB) that is provided with communication module and be arranged at the antenna that be used to receive conversation signal of distance on the described printed circuit board (PCB) certain altitude, it is characterized in that, also comprise:
Be arranged on the described printed circuit board (PCB), be positioned at described printed circuit board (PCB) by the electroacoustic component outside the plate body zone of described antenna covering; And
Between the sender of described electroacoustic component and correspondence, the sound conduction of described electroacoustic component is arrived the sound guide tube of described sender.
Further, described electroacoustic component comprises loud speaker, and the sender of described loud speaker correspondence is arranged in the described antenna; Described sound guide tube comprises at the preceding sound chamber of described loud speaker and first sound guide tube between the sender in the described antenna.
Further, described printed circuit board (PCB) comprises the metallic cavity that is used for shielding electronic components; Described first sound guide tube passes described metallic cavity.
Further, described electroacoustic component also comprises receiver, and the sender of described receiver is the receiver that is arranged on the described printed circuit board (PCB); Described sound guide tube also comprises second sound guide tube between described receiver and described receiver.
Further, described second sound guide tube passes described metallic cavity.
Further, described portable terminal also comprises the General Packet Radio System module, and described General Packet Radio System module is arranged on the described printed circuit board (PCB), is positioned within the plate body zone of described printed circuit board (PCB) by described antenna covering.
Further, described portable terminal also comprises wireless compatibility authentication module, and described wireless compatibility authentication module is arranged on the described printed circuit board (PCB), is positioned within the plate body zone of described printed circuit board (PCB) by described antenna covering.
Further, described loud speaker is arranged at described printed circuit board (PCB) on the plate body of described antenna.
Further, described loud speaker is arranged at described printed circuit board (PCB) dorsad on the plate body of described antenna.
Implement the utility model embodiment, by electroacoustic component being arranged on the described printed circuit board (PCB), be positioned at outside the plate body zone of described printed circuit board (PCB) by described antenna covering, and adopt sound guide tube that the sound conduction of described electroacoustic component is arrived described sender, can make electroacoustic component away from antenna, thereby avoid electroacoustic component and antenna mutual interference mutually in the portable terminal, thereby improve communication quality.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing portable terminal;
Fig. 2 is the structure first embodiment schematic diagram of the utility model embodiment portable terminal;
Fig. 3 is the structure second embodiment schematic diagram of the utility model embodiment portable terminal.
Embodiment
The utility model embodiment proposes a kind of portable terminal, can avoid electroacoustic component and antenna mutual interference mutually in the portable terminal, thereby improves communication quality.
Fig. 2 is the structure first embodiment schematic diagram of the utility model embodiment portable terminal, the utility model embodiment portable terminal comprises the printed circuit board (PCB) 2 that is provided with communication module and is arranged at apart from the antenna 3 that is used to receive conversation signal on described printed circuit board (PCB) 2 certain altitudes, also comprises:
Be arranged on the described printed circuit board (PCB) 2, be positioned at described printed circuit board (PCB) 2 by the electroacoustic component 4 outside the plate body zone of described antenna 3 coverings; And
Between the sender 5 of described electroacoustic component 4 and correspondence, the sound conduction of described electroacoustic component 4 is arrived the sound guide tube 6 of described sender 5.
Herein, during concrete enforcement, the plate body zone that described printed circuit board (PCB) 2 is covered by described antenna 3 comprises the view field when antenna 3 is done projection in opposite directions the plate body in printed circuit board (PCB) 2, and on the opposing plate body of printed circuit board (PCB) 2 and antenna 3 with this corresponding zone, view field position, electroacoustic component 4 is arranged at printed circuit board (PCB) 2 other zones except that above-mentioned two zones, thereby avoids and antenna 3 mutual interference mutually.Described electroacoustic component 4 comprises loud speaker 41, and the sender 51 of described loud speaker 41 is arranged in the described antenna 3; Described portable terminal also comprises at the preceding sound chamber 411 of described loud speaker 41 and first sound guide tube 61 between the sender 51 in the described antenna 3, and described first sound guide tube 61 is used for sound conduction that loud speaker 41 the is sent sender 51 to antenna 3.In the present embodiment, loud speaker 41 is arranged at described printed circuit board (PCB) 2 on the plate body of described antenna 3.In addition, portable terminal can also comprise receiver 7, and the sender 52 of described receiver 7 is arranged at the opening part of the receiver 21 on the described printed circuit board (PCB) 2; And second sound guide tube 62 between described receiver 7 and described receiver 21, the sound conduction that this second sound guide tube 62 is used for receiver 7 is sent is to receiver 21.Further, portable terminal can be provided with General Packet Radio System (GeneralPacket Radio Service, GPRS) module 8, described General Packet Radio System module 8 is arranged on the described printed circuit board (PCB) 2, be positioned within the plate body zone of described printed circuit board (PCB) 2 by described antenna 3 coverings, wireless compatibility authentication (Wireless Fidelity can also be set again, Wi-Fi) module 9, described wireless compatibility authentication module 9 is arranged on the described printed circuit board (PCB) 2, is positioned within the plate body zone of described printed circuit board (PCB) 2 by described antenna 3 coverings.Because packet radio network module 8 and wireless compatibility authentication module 9 generally all are in closed condition during conversing, and the contained metal ingredient of above two modules is less, so even above two modules are all on described printed circuit board (PCB) 2, be positioned within the plate body zone of described printed circuit board (PCB) 2 by described antenna 3 coverings, also can in communication process, do not affect greatly antenna 3.
Fig. 3 is the structure second embodiment schematic diagram of the utility model embodiment portable terminal, the structure of portable terminal and structure shown in Figure 1 are basic identical in the present embodiment, promptly comprise loud speaker 41 and at the preceding sound chamber 411 of described loud speaker 41 and first sound guide tube 61 between the sender 51 in the described antenna 3, also comprise receiver 7 and second sound guide tube 62 between described receiver 7 and described receiver 21, and packet radio network module 8 and wireless compatibility authentication module 9 etc., its difference is, in the present embodiment, the printed circuit board (PCB) 2 of portable terminal is provided with the metallic cavity 22 that is used for shielding electronic components, described metallic cavity 22 is arranged at described printed circuit board (PCB) 2 on the plate body of described antenna 3, also can be arranged on the plate body of the described dorsad antenna 3 of described printed circuit board (PCB) 2, can also all be provided with on the two sides of printed circuit board (PCB) 2, present embodiment only illustrates metallic cavity 22 and is arranged at the situation of described printed circuit board (PCB) 2 on the plate body of described antenna 3.In the present embodiment, loud speaker 41 is arranged on the plate body of the described dorsad antenna 3 of described printed circuit board (PCB) 2, and preceding sound chamber 411 is towards this plate body, the zone that is covered by preceding sound chamber 411 on plate body offers the voice guide hole 23 of loud speaker 41, first sound guide tube 61 is arranged between the sender 51 of the voice guide hole 23 of loud speaker 41 and loud speaker 41, this sender 51 is arranged in the described antenna 3, and this first sound guide tube 61 passes this metallic cavity 22, described first sound guide tube 61 is used for sound conduction that loud speaker 41 the is sent sender 51 to antenna 3, can utilize the space in the metallic cavity 22 so to greatest extent, reduce the shared space of first sound guide tube 61.In addition, on the plate body of the described dorsad antenna 3 of printed circuit board (PCB) 2, also be provided with the metallic cavity that is similar to metallic cavity 22, second sound guide tube 62 also can pass this metallic cavity and sound conduction that receiver 7 is sent to receiver 21.
Need to prove herein, consider that the design of loud speaker 41 preceding sound chambeies 411, first sound guide tube 61 and second sound guide tube 62 can have influence on the response of HFS, so the length of sound chamber 411 volumes, first sound guide tube 61 and second sound guide tube 62, cross-sectional area, sender 51 areas are wanted and can be met some requirements before the concrete loud speaker 41, allow the resonance point in this space go the voice band of avoiding conversing as far as possible, or make the height of this resonance peak low as far as possible, perceived sounds point when avoiding actual conversation, experience the problem of difference.In addition, on first sound guide tube 61 and second sound guide tube 62 leak holes can not be arranged, guarantee the not loss of energy after sound passes through sound guide tube, volume can not diminish.Also have, first sound guide tube 61 and second guide wire, 62 structural materials can not be too soft, avoid air blast by the time sound resonance problem is arranged, the shape of its sound guide tube cross section does not have detailed regulation, can be circular, square, geometries such as ellipse.
In sum, implement the utility model embodiment, by electroacoustic component being arranged on the described printed circuit board (PCB), be positioned at outside the plate body zone of described printed circuit board (PCB) by described antenna covering, and adopt sound guide tube that the sound conduction of described electroacoustic component is arrived described sender, can make electroacoustic component away from antenna, thereby avoid electroacoustic component and antenna mutual interference mutually in the portable terminal, thereby improve communication quality.
Above disclosed only is the utility model preferred embodiment, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (9)
1. portable terminal comprises the printed circuit board (PCB) that is provided with communication module and is arranged at the antenna that is used to receive conversation signal on the described printed circuit board (PCB) certain altitude of distance, it is characterized in that, also comprises:
Be arranged on the described printed circuit board (PCB), be positioned at described printed circuit board (PCB) by the electroacoustic component outside the plate body zone of described antenna covering; And
Between the sender of described electroacoustic component and correspondence, the sound conduction of described electroacoustic component is arrived the sound guide tube of described sender.
2. portable terminal as claimed in claim 1 is characterized in that,
Described electroacoustic component further comprises loud speaker, and the sender of described loud speaker correspondence is arranged in the described antenna;
Described sound guide tube comprises at the preceding sound chamber of described loud speaker and first sound guide tube between the sender in the described antenna.
3. portable terminal as claimed in claim 2 is characterized in that,
Described printed circuit board (PCB) comprises the metallic cavity that is used for shielding electronic components;
Described first sound guide tube passes described metallic cavity.
4. portable terminal as claimed in claim 3 is characterized in that,
Described electroacoustic component also comprises receiver, and the sender of described receiver is the receiver that is arranged on the described printed circuit board (PCB);
Described sound guide tube also comprises second sound guide tube between described receiver and described receiver.
5. portable terminal as claimed in claim 4 is characterized in that,
Described second sound guide tube passes described metallic cavity.
6. portable terminal as claimed in claim 5 is characterized in that, also comprises:
The General Packet Radio System module, described General Packet Radio System module is arranged on the described printed circuit board (PCB), is positioned within the plate body zone of described printed circuit board (PCB) by described antenna covering.
7. portable terminal as claimed in claim 6 is characterized in that, also comprises:
Wireless compatibility authentication module, described wireless compatibility authentication module is arranged on the described printed circuit board (PCB), is positioned within the plate body zone of described printed circuit board (PCB) by described antenna covering.
8. portable terminal as claimed in claim 7 is characterized in that,
Described loud speaker is arranged at described printed circuit board (PCB) on the plate body of described antenna.
9. portable terminal as claimed in claim 7 is characterized in that,
Described loud speaker is arranged at described printed circuit board (PCB) dorsad on the plate body of described antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201501391U CN201663593U (en) | 2010-03-30 | 2010-03-30 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201501391U CN201663593U (en) | 2010-03-30 | 2010-03-30 | Mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663593U true CN201663593U (en) | 2010-12-01 |
Family
ID=43234010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201501391U Expired - Lifetime CN201663593U (en) | 2010-03-30 | 2010-03-30 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663593U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348002A (en) * | 2011-07-15 | 2012-02-08 | 深圳市迪美通讯设备有限公司 | Speaker sound cavity box with sound-guiding pipe groove |
| WO2012119379A1 (en) * | 2011-03-07 | 2012-09-13 | 海能达通信股份有限公司 | Sound chamber apparatus |
| CN106328013A (en) * | 2016-09-28 | 2017-01-11 | 北京小米移动软件有限公司 | Electronic equipment |
-
2010
- 2010-03-30 CN CN2010201501391U patent/CN201663593U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119379A1 (en) * | 2011-03-07 | 2012-09-13 | 海能达通信股份有限公司 | Sound chamber apparatus |
| CN102348002A (en) * | 2011-07-15 | 2012-02-08 | 深圳市迪美通讯设备有限公司 | Speaker sound cavity box with sound-guiding pipe groove |
| CN106328013A (en) * | 2016-09-28 | 2017-01-11 | 北京小米移动软件有限公司 | Electronic equipment |
| CN106328013B (en) * | 2016-09-28 | 2019-08-06 | 北京小米移动软件有限公司 | Electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |
|
| CX01 | Expiry of patent term |