CN103178344A - Multi-frequency-band rear metal cover mobile phone antenna - Google Patents
Multi-frequency-band rear metal cover mobile phone antenna Download PDFInfo
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- CN103178344A CN103178344A CN2013101107567A CN201310110756A CN103178344A CN 103178344 A CN103178344 A CN 103178344A CN 2013101107567 A CN2013101107567 A CN 2013101107567A CN 201310110756 A CN201310110756 A CN 201310110756A CN 103178344 A CN103178344 A CN 103178344A
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- mobile phone
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- 239000002184 metal Substances 0.000 title claims abstract description 124
- 239000003990 capacitor Substances 0.000 claims 12
- 230000007547 defect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 7
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical group FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
本发明的目的在于公开一种多频段金属后盖手机天线，它包括手机金属后盖、印刷电路板和天线支架，所述天线支架位于手机金属后盖与印制电路板之间，所述手机金属后盖包括位于同一平面上的第一金属后盖和第二金属后盖，所述第一金属后盖与第二金属后盖之间设置有一狭窄的缝隙，所述第一金属后盖与天线支架上的天线部分连接，所述第二金属后盖与所述印制电路板的地相连接，所述印制电路板的射频线与第一金属后盖相连接，第一金属后盖与印制电路板的地之间互相连接；与现有技术相比，将金属后盖的第一金属后盖作为天线的高频或者低频辐射体，其余的部分设置在天线支架上，使天线能有效地辐射或接收电磁信号，以解决现有技术存在的缺陷，实现本发明的目的。
The purpose of the present invention is to disclose a multi-band metal back cover mobile phone antenna, which includes a mobile phone metal back cover, a printed circuit board and an antenna support, the antenna support is located between the mobile phone metal back cover and the printed circuit board, the mobile phone The metal back cover includes a first metal back cover and a second metal back cover on the same plane, a narrow gap is set between the first metal back cover and the second metal back cover, and the first metal back cover and the second metal back cover The antenna part on the antenna bracket is connected, the second metal back cover is connected to the ground of the printed circuit board, the radio frequency line of the printed circuit board is connected to the first metal back cover, and the first metal back cover It is connected with the ground of the printed circuit board; compared with the prior art, the first metal back cover of the metal back cover is used as the high-frequency or low-frequency radiator of the antenna, and the rest is arranged on the antenna bracket, so that the antenna It can effectively radiate or receive electromagnetic signals, so as to solve the defects in the prior art and realize the object of the present invention.
Description
Technical field
The present invention relates to a kind of antenna for mobile phone, particularly a kind of multiband metal back cover antenna for mobile phone.
Background technology
Along with the fast development of mobile communication, the form of mobile phone is variation day by day, and it is more beautiful to have the cell phone appearance of metal back cover, and feel is better, and from the angle of structure, metal back cover is also more wear-resisting compared to the bonnet of the plastic materials such as PC, ABS.
Yet, the form of now main antenna for mobile phone is PIFA, IFA, unipole antenna and loop aerial etc., these antenna all is not suitable for the mobile phone of metal back cover, because when metal back cover exists, above antenna form is radiation or receiving electromagnetic signals effectively.
At present, in order to address the above problem, basically be all by make change on the metal face-piece, be CN201020638506.2's and present loop aerial, electronic equipment and radio-circuit patent as the number of patent application of cutting a breakpoint on becket, number of patent application is that the limit thick stick slot antenna patent of CN201010569589.9 and number of patent application are the shell structure patent of position of radiofrequency signal that is used for optimizing emission of CN201010602636.5.
But the technology that above-mentioned patent adopts has some shortcomings, must disconnect a bit as the metal face-piece, or crack, and antenna is adjusted inconvenient, holds impact large etc.
Therefore, need especially a kind of multiband metal back cover antenna for mobile phone, to solve the above-mentioned existing problem that exists.
Summary of the invention
The object of the present invention is to provide a kind of multiband metal back cover antenna for mobile phone, for the deficiencies in the prior art, with the part of the metal back cover part as antenna radiator, solve with this defective that prior art exists.
Technical problem solved by the invention can realize by the following technical solutions:
a kind of multiband metal back cover antenna for mobile phone, it is characterized in that, it comprises the mobile phone metal back cover, printed circuit board (PCB) and antenna holder, described antenna holder is between mobile phone metal back cover and printed circuit board, described mobile phone metal back cover comprises the first metal back cover in the same plane and the second metal back cover, be provided with a narrow gap between described the first metal back cover and the second metal back cover, described the first metal back cover is connected with antenna part on antenna holder, described the second metal back cover is connected with the ground of described printed circuit board, the radio frequency line of described printed circuit board is connected with the first metal back cover, be connected to each other between the ground of the first metal back cover and printed circuit board.
In one embodiment of the invention, be connected by metal thimble or sheet metal between the antenna part on described the first metal back cover and antenna holder.
In one embodiment of the invention, be connected by metal clips between the ground of described printed circuit board and the first metal back cover.
In one embodiment of the invention, be connected by metal clips or metal column between described printed circuit board and the first metal back cover.
In one embodiment of the invention, described antenna for mobile phone is double-feed antenna, and the low frequency radiation body that described the first metal back cover is antenna is provided with the HFS of antenna and remaining low frequency part on described antenna holder.
In one embodiment of the invention, described antenna for mobile phone is double-feed antenna, and the high frequency radiation body that described the first metal back cover is antenna is provided with the low frequency part of antenna and remaining HFS on described antenna holder.
In one embodiment of the invention, be respectively arranged with high frequency match circuit and low frequency match circuit on described printed circuit board, described high frequency match circuit is connected with low frequency part with the HFS of antenna with the low frequency match circuit.
Further, described low frequency match circuit comprises the first electric capacity, the first inductance and the second inductance, the first inductance and the second inductance in parallel, the second inductance and the first capacitances in series, the second inductance and non-common end grounding the first electric capacity, the second inductance and non-common end grounding the first inductance.
Further, described high frequency match circuit comprises the second electric capacity, the 3rd electric capacity and the 3rd inductance, the 3rd inductance and the second Capacitance parallel connection, the second electric capacity and the 3rd capacitances in series, the second electric capacity and non-common end grounding the 3rd inductance, the second electric capacity and non-common end grounding the 3rd electric capacity.
In one embodiment of the invention, the gap between described the first metal back cover and the second metal back cover is 1.3mm.
In one embodiment of the invention, the distance between described mobile phone metal back cover and described printed circuit board is 7mm.
Multiband metal back cover antenna for mobile phone of the present invention, compared with prior art, with the first metal back cover of metal back cover high frequency or low frequency radiation body as antenna, remaining part is arranged on antenna holder, make antenna radiation or receiving electromagnetic signals effectively, solve with this defective that prior art exists, realize purpose of the present invention.
Characteristics of the present invention can be consulted the detailed description of the graphic and following better execution mode of this case and be obtained to be well understood to.
Description of drawings
Fig. 1 is the structural representation of multiband metal back cover antenna for mobile phone of the present invention;
Fig. 2 is the circuit diagram of low frequency match circuit of the present invention;
Fig. 3 is the circuit diagram of high frequency match circuit of the present invention;
Fig. 4 is the structural representation of metal back cover of the present invention;
Fig. 5 is the side schematic view of metal back cover antenna for mobile phone of the present invention;
Fig. 6 is that antenna for mobile phone of the present invention is at the schematic diagram of the return loss of low frequency;
Fig. 7 is that antenna for mobile phone of the present invention is at the schematic diagram of the return loss of high frequency;
Fig. 8 is the schematic diagram of the efficiency curve of antenna for mobile phone of the present invention when low frequency;
Fig. 9 is the schematic diagram of the efficiency curve of antenna for mobile phone of the present invention when high frequency.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Embodiment
as Fig. 1, Fig. 4 and shown in Figure 5, multiband metal back cover antenna for mobile phone of the present invention, it comprises mobile phone metal back cover 100, printed circuit board (PCB) 200 and antenna holder 300, described antenna holder 300 is between mobile phone metal back cover 100 and printed circuit board 200, described mobile phone metal back cover 100 comprises the first metal back cover 110 in the same plane and the second metal back cover 120, be provided with a narrow gap 130 between described the first metal back cover 110 and the second metal back cover 120, described the first metal back cover 110 is connected with antenna part on antenna holder 300, described the second metal back cover 120 is connected with the ground of described printed circuit board 200, the radio frequency line of described printed circuit board 200 is connected with the first metal back cover 110, be connected to each other between the ground of the first metal back cover 110 and printed circuit board 200.
Wherein, the length of the first metal back cover 110 is 40mm, and width is 8mm; The length of printed circuit board (PCB) 200 is 110mm, and width is 40mm; On printed circuit board (PCB) 200 under antenna view field's headroom be 10mm; The length of antenna holder is 40mm, and width is 10mm, is highly 5mm.
Distance between described mobile phone metal back cover 100 and described printed circuit board 200 is 7mm.
In the present embodiment, be connected by metal thimble 310 or sheet metal between the antenna part on described the first metal back cover 110 and antenna holder 300.
In the present embodiment, be connected by metal clips 320 between the ground of described printed circuit board 200 and the first metal back cover 110.
In the present embodiment, be connected by metal clips 320 or metal column between described printed circuit board 200 and the first metal back cover 110.
In the present embodiment, described antenna for mobile phone is double-feed antenna, and described the first metal back cover 110 is the low frequency radiation body of antenna, is provided with HFS and remaining low frequency part of antenna on described antenna holder 300.
Similarly, described antenna for mobile phone is double-feed antenna, and described the first metal back cover 110 is the high frequency radiation body of antenna, is provided with low frequency part and remaining HFS of antenna on described antenna holder 300.
In the present embodiment, be respectively arranged with high frequency match circuit and low frequency match circuit on described printed circuit board 200, described high frequency match circuit is connected with low frequency part with the HFS of antenna with the low frequency match circuit.
As shown in Figure 2, described low frequency match circuit comprises the first electric capacity 21, the first inductance 22 and the second inductance 23, the first inductance 22 and the second inductance 23 parallel connections, the second inductance 23 is connected with the first electric capacity 21, the second inductance 23 and non-common end grounding the first electric capacity 21, the second inductance 23 and non-common end grounding the first inductance 22.
As shown in Figure 3, described high frequency match circuit comprises the second electric capacity 24, the 3rd electric capacity 25 and the 3rd inductance 26, the 3rd inductance 26 and the second electric capacity 24 parallel connections, the second electric capacity 24 is connected with the 3rd electric capacity 25, the second electric capacity 24 and non-common end grounding the 3rd inductance 26, the second electric capacity 24 and non-common end grounding the 3rd electric capacity 25.
The main electric property of multiband metal back cover antenna for mobile phone of the present invention is as follows:
The operating frequency of antenna is: 824MHz is to 960MHz, and 1710MHz has namely comprised the GSM850/GSM900/DCS1800/PCS1900/WCDMA2100 frequency range to 2170MHz.
Fig. 6 is that multiband metal back cover antenna for mobile phone of the present invention is in the return loss of low frequency.
Fig. 7 is that multiband metal back cover antenna for mobile phone of the present invention is in the return loss of high frequency.
Fig. 8 and Fig. 9 are multiband metal back cover antenna for mobile phone of the present invention efficiency curves when low frequency and high frequency in free space.
Above demonstration and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101107567A CN103178344A (en) | 2013-04-01 | 2013-04-01 | Multi-frequency-band rear metal cover mobile phone antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101107567A CN103178344A (en) | 2013-04-01 | 2013-04-01 | Multi-frequency-band rear metal cover mobile phone antenna |
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| CN103178344A true CN103178344A (en) | 2013-06-26 |
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| CN2013101107567A Pending CN103178344A (en) | 2013-04-01 | 2013-04-01 | Multi-frequency-band rear metal cover mobile phone antenna |
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Cited By (27)
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| CN103700934A (en) * | 2013-12-16 | 2014-04-02 | 宇龙计算机通信科技(深圳)有限公司 | Antenna structure for metal case terminal and terminal |
| CN104064866A (en) * | 2014-05-26 | 2014-09-24 | 普尔思（苏州）无线通讯产品有限公司 | Antenna structure applied to mobile phone with metal rings and all-metal rear housing |
| CN104425882A (en) * | 2013-08-26 | 2015-03-18 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN104466350A (en) * | 2014-12-05 | 2015-03-25 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN104584324A (en) * | 2014-03-28 | 2015-04-29 | 华为终端有限公司 | Structure integrating metallic housing with antenna of electronic device |
| CN104659483A (en) * | 2013-11-22 | 2015-05-27 | 英业达科技有限公司 | Electronic device |
| CN104733834A (en) * | 2013-12-23 | 2015-06-24 | 联想(北京)有限公司 | Antenna and mobile terminal provided with same |
| CN105322290A (en) * | 2014-05-30 | 2016-02-10 | 广州光宝移动电子部件有限公司 | Antenna structure and wireless device |
| CN105449340A (en) * | 2015-12-04 | 2016-03-30 | 魅族科技（中国）有限公司 | Near field communication antenna apparatus and terminal |
| CN105591198A (en) * | 2014-10-21 | 2016-05-18 | 深圳富泰宏精密工业有限公司 | Antenna structure and electronic device with same |
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| CN106229617A (en) * | 2015-12-31 | 2016-12-14 | 瑞声科技(新加坡)有限公司 | The antenna structure of mobile electronic device |
| CN106356632A (en) * | 2016-09-14 | 2017-01-25 | 宇龙计算机通信科技(深圳)有限公司 | Active antenna system and mobile terminal |
| CN106384868A (en) * | 2016-09-28 | 2017-02-08 | 努比亚技术有限公司 | Terminal antenna frequency band extension structure |
| CN106486758A (en) * | 2015-08-26 | 2017-03-08 | 小米科技有限责任公司 | A kind of antenna, mobile terminal bonnet and mobile terminal |
| CN106537685A (en) * | 2014-05-23 | 2017-03-22 | 诺基亚技术有限公司 | Apparatus having a conductive housing and an antenna with tunable resonance |
| CN106549208A (en) * | 2015-09-23 | 2017-03-29 | 宏达国际电子股份有限公司 | Electronic device |
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| CN104584324A (en) * | 2014-03-28 | 2015-04-29 | 华为终端有限公司 | Structure integrating metallic housing with antenna of electronic device |
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| CN106537685A (en) * | 2014-05-23 | 2017-03-22 | 诺基亚技术有限公司 | Apparatus having a conductive housing and an antenna with tunable resonance |
| CN104064866B (en) * | 2014-05-26 | 2018-08-17 | 普尔思（苏州）无线通讯产品有限公司 | Applied to the antenna structure of mobile phole simultaneously with becket and all-metal rear shell |
| CN104064866A (en) * | 2014-05-26 | 2014-09-24 | 普尔思（苏州）无线通讯产品有限公司 | Antenna structure applied to mobile phone with metal rings and all-metal rear housing |
| CN105322290A (en) * | 2014-05-30 | 2016-02-10 | 广州光宝移动电子部件有限公司 | Antenna structure and wireless device |
| CN105591198A (en) * | 2014-10-21 | 2016-05-18 | 深圳富泰宏精密工业有限公司 | Antenna structure and electronic device with same |
| CN105591198B (en) * | 2014-10-21 | 2020-07-10 | 深圳富泰宏精密工业有限公司 | Antenna structure and electronic device with same |
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| CN104466350A (en) * | 2014-12-05 | 2015-03-25 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN104466346B (en) * | 2014-12-05 | 2019-02-05 | Oppo广东移动通信有限公司 | mobile terminal |
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| TWI550957B (en) * | 2015-01-09 | 2016-09-21 | 和碩聯合科技股份有限公司 | Mobile communication device having an antenna |
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| CN106575821A (en) * | 2015-03-30 | 2017-04-19 | 华为技术有限公司 | Terminal |
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| CN106486758A (en) * | 2015-08-26 | 2017-03-08 | 小米科技有限责任公司 | A kind of antenna, mobile terminal bonnet and mobile terminal |
| CN106486758B (en) * | 2015-08-26 | 2021-06-22 | 小米科技有限责任公司 | Antenna, mobile terminal rear cover and mobile terminal |
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| CN105449340A (en) * | 2015-12-04 | 2016-03-30 | 魅族科技（中国）有限公司 | Near field communication antenna apparatus and terminal |
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| US10389857B2 (en) | 2015-12-17 | 2019-08-20 | Huawei Technologies Co., Ltd. | Mobile communications terminal |
| CN106229617A (en) * | 2015-12-31 | 2016-12-14 | 瑞声科技(新加坡)有限公司 | The antenna structure of mobile electronic device |
| CN106356632A (en) * | 2016-09-14 | 2017-01-25 | 宇龙计算机通信科技(深圳)有限公司 | Active antenna system and mobile terminal |
| CN106384868A (en) * | 2016-09-28 | 2017-02-08 | 努比亚技术有限公司 | Terminal antenna frequency band extension structure |
| CN106384868B (en) * | 2016-09-28 | 2019-06-28 | 努比亚技术有限公司 | A kind of band spreading structure of terminal antenna |
| WO2018107807A1 (en) * | 2016-12-15 | 2018-06-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna component and mobile terminal having the same |
| US10411358B2 (en) | 2016-12-28 | 2019-09-10 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna device for mobile terminal and mobile terminal |
| WO2018120773A1 (en) * | 2016-12-28 | 2018-07-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Antenna device for mobile terminal and mobile terminal |
| WO2018126985A1 (en) * | 2017-01-04 | 2018-07-12 | 广东欧珀移动通信有限公司 | Conductive cover component of terminal and terminal |
| US10826171B2 (en) | 2017-01-04 | 2020-11-03 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Conductive cover assembly of terminal and terminal |
| WO2019096084A1 (en) * | 2017-11-14 | 2019-05-23 | 维沃移动通信有限公司 | Antenna device and mobile terminal |
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Application publication date: 20130626 |