CN104425885A - Antenna device and mobile terminal - Google Patents
Antenna device and mobile terminal Download PDFInfo
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- CN104425885A CN104425885A CN201310403456.8A CN201310403456A CN104425885A CN 104425885 A CN104425885 A CN 104425885A CN 201310403456 A CN201310403456 A CN 201310403456A CN 104425885 A CN104425885 A CN 104425885A
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Abstract
The invention discloses an antenna device, which comprises a circuit board, a first antenna and a second antenna, wherein the first antenna comprises a first radiation body, a grounding point and a first feeding point, the first radiation body comprises a first radiation section and a second radiation section, the grounding point and the first feeding point are both arranged on the first radiation section, the second antenna comprises a second feeding point and a second radiation body, the second feeding point and the second radiation body are both arranged at the second radiation section of the first antenna, a first grounding part and a pair of first filters are arranged on the circuit board, one first filter is electrically connected with the first feeding point, the other first filter is electrically connected with the second feeding point, and the first grounding part is electrically connected with the grounding point of the first antenna. The invention also provides a mobile terminal. The antenna device and the mobile terminal provided by the invention have the advantages that the radiation body of the second antenna is partially shared with the radiation body of the first antenna, the occupation space of the antennas is reduced, and meanwhile, the coexistence of a low-frequency antenna and a high-frequency antenna in the mobile terminal is realized.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of antenna assembly and mobile terminal.
Background technology
Along with the develop rapidly of the communication technology, increasing user to the demand of mobile phone from initial call function to electronic reader, individual palmtop PC, the transition of individual radio function of surfing the Net.Current mobile phone, except keeping the demand of wireless telecommunications, also needs to accept digital television service.But the frequency range mostly taking frequency lower due to digital television service is propagated, if be arranged in hand set machine shell by digital TV antenna, not only needs to take very large space, and can affect other antenna performance.
Summary of the invention
Technical problem to be solved by this invention is, being arranged in hand set machine shell, not only needing to take very large space, and can affect the problem of other antenna performance for solving digital TV antenna in prior art.
To achieve these goals, embodiment of the present invention provides following technical scheme:
On the one hand, provide a kind of antenna assembly, it comprises circuit board, the first antenna and the second antenna.Described first antenna comprises the first radiant body, earth point and the first distributing point.Described first radiant body comprises the first radiant section and the second radiant section.Described earth point and described first distributing point are all located at described first radiant section.Described second antenna comprises the second distributing point and the second radiant body.Described second distributing point and described second radiant body are all located at the second radiant section of described first antenna.Described circuit board is provided with the first grounding parts and a pair first filters.First filter described in one of them and described first distributing point are electrically connected, and the first filter described in another and described second distributing point are electrically connected.The earth point of described first grounding parts and described first antenna is electrically connected.
In the execution mode that the first is possible, described antenna assembly also comprises the second filter, be provided with the first breach between described first radiant section and described second radiant section, described second filter is located at described first indentation, there and is electrically connected between described first radiant section and described second radiant section.
In the execution mode that the second is possible, described antenna assembly also comprises third antenna, described first radiant body also comprises the 3rd radiant section and the 4th radiant section, described 3rd radiant section is connected between described second radiant section and described 4th radiant section, described third antenna comprises the 3rd distributing point and the 3rd radiant body, described 3rd distributing point and described 3rd radiant body are located at the 4th radiant section of described first antenna, described circuit board also comprises the 3rd filter, and described 3rd filter is electrically connected at described 3rd distributing point.
In conjunction with the execution mode that the second is possible, in the execution mode that the third is possible, described antenna assembly also comprises the 4th filter, and described 4th filter is electrically connected the 3rd radiant section of described first antenna.
In conjunction with the execution mode that the second is possible, in the 4th kind of possible execution mode, described first radiant section and described 3rd radiant section are all in vertical bar shaped, described second radiant section and described 4th radiant section all L-shaped, described second radiant section and described 4th radiant section are located at the two ends of described 3rd radiant section respectively.
In conjunction with the execution mode that the second is possible, in the 5th kind of possible execution mode, described first antenna is digital TV antenna, and described second antenna is global positioning system antenna, and described third antenna is Bluetooth antenna or WI-FI antenna.
In the 6th kind of possible execution mode, described antenna assembly also comprises the first bonding jumper and the second bonding jumper, described first bonding jumper extends to form from the earth point of described first antenna, the direction that described second bonding jumper is parallel to described first radiant section from described 4th radiant section extends, and described first bonding jumper, described first radiant body and described second bonding jumper form U-shaped metal framework structure jointly to surround described circuit board.
In conjunction with the 6th kind of possible execution mode, in the 7th kind of possible execution mode, described circuit board comprises the first side of pair of opposing, the second side of pair of opposing, first side and second side described in one of them described in described first bonding jumper, described first radiant body and described second bonding jumper jointly surround described circuit board a pair, described antenna assembly also comprises main antenna, described main antenna be located at described circuit board another described in second side.
In conjunction with the 6th kind of possible execution mode, in the 8th kind of possible execution mode, described circuit board is provided with multiple second grounding parts, and described second grounding parts is electrically connected with described second bonding jumper respectively.
In the 9th kind of possible execution mode, described circuit board is also provided with switch, described switch is electrically connected described first radiant section, for switching the frequency of described first antenna.
On the other hand, provide a kind of mobile terminal, it comprises housing and is installed on the said antenna device of described housing.
As can be seen here, antenna assembly provided by the invention and mobile terminal, by the radiant body partial common of the radiant body of the second antenna and the first antenna, save the space that antenna takies in mobile terminal inside.Meanwhile, solve the problem that in mobile terminal, low-frequency antenna and high frequency antenna coexist, the digital TV antenna of low frequency can be built in mobile terminal, become to be integrated with mobile terminal, enhance the visual effect of mobile terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in execution mode below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained as these accompanying drawings.
Fig. 1 is the schematic diagram of the antenna assembly that embodiment of the present invention provides;
Fig. 2 and Fig. 1 is identical, only increases Fig. 2 for convenience of label;
Fig. 3 is the return loss resolution chart of the first antenna in Fig. 1;
Fig. 4 is the return loss resolution chart of the second antenna in Fig. 1; And
Fig. 5 is the return loss resolution chart of the third antenna in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
The mobile terminal that embodiment of the present invention provides comprises housing (not shown) and is installed on the antenna assembly 100 of described housing.
In present embodiment, described mobile terminal is mobile phone.In other embodiments, described mobile terminal also can be other consumption electronic products such as palmtop PC (Pad), e-book.
Referring to Fig. 1 and Fig. 2, antenna assembly 100 comprises the first antenna 10, circuit board 20 and the second antenna 30.
Described first antenna 10 comprises earth point 11, first distributing point 12 and the first radiant body 13.Described first radiant body 13 comprises the first radiant section 131 and the second radiant section 132, and described earth point 11 and described first distributing point 12 are all located at described first radiant section 131.
Please refer to Fig. 1, described second antenna 30 comprises the second distributing point 31 and the second radiant body, and described second distributing point 31 and described second radiant body are all located at the second radiant section 132 of described first antenna 10.
In other words, the second radiant section 132 of described first antenna 10 simultaneously as the second radiant body of the second antenna 30, that is, the first antenna 10 and the second antenna 30 common sparing radiant body.
Described circuit board 20 is provided with the first grounding parts 25 and a pair first filters 21, described first filter 21 is electrically connected with described first distributing point 12 and the second distributing point 31 respectively, and described first grounding parts 25 is electrically connected with the earth point 11 of described first antenna 10.
In present embodiment, described first antenna 10 is low-frequency antenna, such as, and digital TV antenna.Described second antenna 30 is high frequency antenna, such as, and Global Navigation System (GPS) antenna.
As can be seen here, mobile terminal provided by the invention, by the radiant body partial common of the radiant body of the second antenna 30 and the first antenna 10, saves the space that antenna takies in mobile terminal.Meanwhile, solve the problem that in mobile terminal, low-frequency antenna and high frequency antenna coexist, the digital TV antenna of low frequency can be built in mobile terminal, become to be integrated with mobile terminal, enhance the visual effect of mobile terminal.
Further, described antenna assembly 100 also comprises the second filter 50.Be provided with the first breach 135 between described first radiant section 131 and described second radiant section 132, described second filter 50 is located at described first breach 135 place and is electrically connected between described first radiant section 131 and described second radiant section 132.The setting of described second filter 50 is used for filtering, that is, the low-frequency band meeting the first antenna 10 is passed through, the wave band of other high frequency by filtering, to eliminate the impact of clutter on the first antenna 10.
Please refer to Fig. 2, as a further improvement on the present invention, described antenna assembly 100 also comprises third antenna 40.Described first radiant body 13 also comprises the 3rd radiant section 133 and the 4th radiant section 134, and described 3rd radiant section 133 is connected between described second radiant section 132 and described 4th radiant section 134.Described third antenna 40 comprises the 3rd radiant body and the 3rd distributing point 41, and described 3rd radiant body and described 3rd distributing point 41 are located at the 4th radiant section 134 of described first antenna 10.Described circuit board 20 also comprises the 3rd filter 211, and described 3rd filter 211 is electrically connected at described 3rd distributing point 41.
In other words, the 4th radiant section 134 of described first antenna 10 simultaneously as the 3rd radiant body of third antenna 40, that is, the radiant body of third antenna 40 and the radiant body partial common of described first antenna 10.
In present embodiment, described third antenna 40 is bluetooth (Blue Tooth, BT) antenna or Wireless Fidelity (wireless fidelity, WI-FI) antenna.
In present embodiment, described antenna assembly 100 also comprises the 4th filter 60, and described 4th filter 60 is electrically connected the 3rd radiant section 133 of described first antenna 10.The setting of described 4th filter 60 is for reducing influencing each other between the second antenna 30 and third antenna 40.
In present embodiment, described first radiant section 131 and described 3rd radiant section 133 are all in vertical bar shaped.Described second radiant section 132 and described 4th radiant section 134 all L-shaped, and be located at the two ends of described 3rd radiant section 133 respectively.
In present embodiment, described antenna assembly 100 also comprises the first bonding jumper 70 and the second bonding jumper 80.Described first bonding jumper 70 extends to form from the earth point 11 of described first antenna 10.The direction that described second bonding jumper 80 is parallel to described first radiant section 131 from described 4th radiant section 134 extends.Described first bonding jumper 70, described first radiant body 13 and described second bonding jumper 80 form U-shaped metal framework structure jointly to surround described circuit board 20.
Particularly, described circuit board 20 comprises the first side 23 of pair of opposing, the second side 24 of pair of opposing.Described in a pair, first side 23 is arranged in parallel, and described in a pair, second side 24 is arranged in parallel.Described circuit board 20 is provided with multiple second grounding parts 22.Described second grounding parts 22 is electrically connected with described second bonding jumper 80 respectively.Described first bonding jumper 70, described first radiant body 13 and described second bonding jumper 80 head and the tail connect first side 23 and second side 24 described in one of them described in common a pair of surrounding described circuit board 20 successively.
In present embodiment, described antenna assembly 100 also comprises main antenna 90, described main antenna 90 be located at described circuit board 20 another described in second side 24.Main antenna 90 is often referred to WCDMA, GSM and TDSCDMA antenna.
As a further improvement on the present invention, described circuit board 20 is also provided with switch 14, described switch 14 is electrically connected described first radiant section 131, for switching the frequency of described first antenna 10.
Please refer to Fig. 3, be depicted as the working frequency range resolution chart of the first antenna 10 of inventive antenna device 100.From diagram, the working frequency range of the first antenna 10 of embodiment of the present invention is 200MHz, meets the working frequency range of digital TV antenna.
Please refer to Fig. 4, be depicted as the return loss resolution chart of the second antenna 30 of the present invention.From diagram, the 1.6GHz that the second antenna 30 of embodiment of the present invention is applied to, meets the working frequency range of gps antenna.The return loss of the second antenna 30 is less than-10dB.
Please refer to Fig. 5, be depicted as the return loss resolution chart of third antenna 40 of the present invention.From diagram, the 2.5GHz that the third antenna 40 of embodiment of the present invention is applied to, meets the working frequency range of BT or WIFI antenna.The return loss of described third antenna 40 is less than-10dB.
In present embodiment, the housing of described mobile terminal comprises upper cover and lower cover, and described circuit board 20 is contained in described housing.Described U-shaped metal framework is located between upper cover and lower cover, and exposes to the outer surface of described mobile terminal or be housed in described housing.Therefore, the setting of described U-shaped metal framework, not only solves the coexistence problems of multiple antennas in mobile terminal, but also strengthens the visual effect of the outward appearance of mobile terminal, meets the design concept of hommization.
In other embodiments, described U-shaped metal framework also can be contained in the housing of described mobile terminal.
Mobile terminal provided by the invention and antenna assembly 100, reasonably make use of the U-shaped metal framework on mobile terminal, make the rational common sparing metal framework of digital TV antenna, gps antenna, WIFI or BT antenna as radiant body, effectively save the space that antenna takies, solve multiple antennas coexistence problems simultaneously.
The digital TV antenna of the mobile terminal that embodiment of the present invention provides not only has external antenna effect, and does not need to adopt pull bar mode, becomes to be integrated, reach effect attractive in appearance with mobile terminal.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (11)
1. an antenna assembly, it is characterized in that, described antenna assembly comprises circuit board, first antenna and the second antenna, described first antenna comprises the first radiant body, earth point and the first distributing point, described first radiant body comprises the first radiant section and the second radiant section, described earth point and described first distributing point are all located at described first radiant section, described second antenna comprises the second distributing point and the second radiant body, described second distributing point and described second radiant body are all located at the second radiant section of described first antenna, described circuit board is provided with the first grounding parts and a pair first filters, first filter described in one of them and described first distributing point are electrically connected, first filter described in another and described second distributing point are electrically connected, the earth point of described first grounding parts and described first antenna is electrically connected.
2. antenna assembly as claimed in claim 1, it is characterized in that, described antenna assembly also comprises the second filter, be provided with the first breach between described first radiant section and described second radiant section, described second filter is located at described first indentation, there and is electrically connected between described first radiant section and described second radiant section.
3. antenna assembly as claimed in claim 1, it is characterized in that, described antenna assembly also comprises third antenna, described first radiant body also comprises the 3rd radiant section and the 4th radiant section, described 3rd radiant section is connected between described second radiant section and described 4th radiant section, described third antenna comprises the 3rd distributing point and the 3rd radiant body, described 3rd distributing point and described 3rd radiant body are located at the 4th radiant section of described first antenna, described circuit board also comprises the 3rd filter, and described 3rd filter is electrically connected at described 3rd distributing point.
4. antenna assembly as claimed in claim 3, it is characterized in that, described antenna assembly also comprises the 4th filter, and described 4th filter is electrically connected the 3rd radiant section of described first antenna.
5. antenna assembly as claimed in claim 3, it is characterized in that, described first radiant section and described 3rd radiant section all in vertical bar shaped, described second radiant section and described 4th radiant section all L-shaped, described second radiant section and described 4th radiant section are located at the two ends of described 3rd radiant section respectively.
6. antenna assembly as claimed in claim 3, it is characterized in that, described first antenna is digital TV antenna, and described second antenna is global positioning system antenna, and described third antenna is Bluetooth antenna or WI-FI antenna.
7. antenna assembly as claimed in claim 1, it is characterized in that, described antenna assembly also comprises the first bonding jumper and the second bonding jumper, described first bonding jumper extends to form from the earth point of described first antenna, the direction that described second bonding jumper is parallel to described first radiant section from described 4th radiant section extends, and described first bonding jumper, described first radiant body and described second bonding jumper form U-shaped metal framework structure jointly to surround described circuit board.
8. antenna assembly as claimed in claim 7, it is characterized in that, described circuit board comprises the first side of pair of opposing, the second side of pair of opposing, first side and second side described in one of them described in described first bonding jumper, described first radiant body and described second bonding jumper jointly surround described circuit board a pair, described antenna assembly also comprises main antenna, described main antenna be located at described circuit board another described in second side.
9. antenna assembly as claimed in claim 7, it is characterized in that, described circuit board is provided with multiple second grounding parts, and described second grounding parts is electrically connected with described second bonding jumper respectively.
10. antenna assembly as claimed in claim 1, is characterized in that, described circuit board is also provided with switch, and described switch is electrically connected described first radiant section, for switching the frequency of described first antenna.
11. 1 kinds of mobile terminals, comprise housing, it is characterized in that, described mobile terminal also comprises the antenna assembly as described in claim 1 to 10 any one be installed in described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403456.8A CN104425885B (en) | 2013-09-06 | 2013-09-06 | Antenna assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310403456.8A CN104425885B (en) | 2013-09-06 | 2013-09-06 | Antenna assembly and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
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| CN104425885A true CN104425885A (en) | 2015-03-18 |
| CN104425885B CN104425885B (en) | 2018-03-06 |
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| CN201310403456.8A Active CN104425885B (en) | 2013-09-06 | 2013-09-06 | Antenna assembly and mobile terminal |
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| CN105244620A (en) * | 2015-07-23 | 2016-01-13 | 广东欧珀移动通信有限公司 | Antenna device and mobile terminal with antenna device |
| CN106252829A (en) * | 2015-06-11 | 2016-12-21 | 三星电子株式会社 | Antenna and the electronic equipment including antenna |
| CN106486742A (en) * | 2015-08-31 | 2017-03-08 | 富泰华工业（深圳）有限公司 | Electronic installation and its antenna and the method with the reception of this electronic installation or transmission signal |
| CN108183719A (en) * | 2017-12-28 | 2018-06-19 | 上海展扬通信技术有限公司 | Antenna circuit and modulating FM Signal Regulation method |
| WO2018145451A1 (en) * | 2017-02-08 | 2018-08-16 | 中兴通讯股份有限公司 | Mobile terminal and antenna thereof |
| CN108496278A (en) * | 2017-01-16 | 2018-09-04 | 华为技术有限公司 | A kind of antenna structure and communication terminal |
| CN110226320A (en) * | 2017-01-26 | 2019-09-10 | Lg电子株式会社 | Mobile terminal |
| CN111370847A (en) * | 2020-03-23 | 2020-07-03 | 维沃移动通信有限公司 | Electronic equipment |
| WO2021000079A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Antenna module and mobile terminal |
| CN112635991A (en) * | 2019-10-08 | 2021-04-09 | 中兴通讯股份有限公司 | Antenna, antenna power supply method, antenna single feed combination method and device |
| TWI769878B (en) * | 2021-06-21 | 2022-07-01 | 群邁通訊股份有限公司 | Antenna structure and electronc device with same |
| WO2023221489A1 (en) * | 2022-05-17 | 2023-11-23 | Oppo广东移动通信有限公司 | Electronic device |
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| WO2021000079A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Antenna module and mobile terminal |
| CN112635991A (en) * | 2019-10-08 | 2021-04-09 | 中兴通讯股份有限公司 | Antenna, antenna power supply method, antenna single feed combination method and device |
| CN111370847A (en) * | 2020-03-23 | 2020-07-03 | 维沃移动通信有限公司 | Electronic equipment |
| TWI769878B (en) * | 2021-06-21 | 2022-07-01 | 群邁通訊股份有限公司 | Antenna structure and electronc device with same |
| WO2023221489A1 (en) * | 2022-05-17 | 2023-11-23 | Oppo广东移动通信有限公司 | Electronic device |
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Effective date of registration: 20171027 Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Applicant after: HUAWEI terminal (Dongguan) Co., Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Applicant before: Huawei Device Co., Ltd. |
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |
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