CN103545611A - Wireless communication device - Google Patents
Wireless communication device Download PDFInfo
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- CN103545611A CN103545611A CN201210240901.9A CN201210240901A CN103545611A CN 103545611 A CN103545611 A CN 103545611A CN 201210240901 A CN201210240901 A CN 201210240901A CN 103545611 A CN103545611 A CN 103545611A
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- groove
- communication device
- radio communication
- substrate
- housing
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Abstract
The invention provides a wireless communication device comprising a metal shell, a substrate and a current feed-in part. The shell is provided with a first trench and a second trench communicated with each other. The current feed-in part is electrically connected with the substrate and used for acquiring current from the substrate. The shell is coupled to the current feed-in part, so that the first and second trenches can sense the current and trigger out corresponding resonant modes, and the wireless communication device can transmit and receive wireless signals having first and second center frequencies. The wireless communication device has the advantages that the metal shell is fully utilized as an antenna, transceiving efficiency of the antenna is improved effectively, and miniaturization development of the wireless communication device is benefited.
Description
Technical field
The present invention relates to a kind of radio communication device.
Background technology
In radio communication device, be used for transmitting, reception radio wave to transmit, to exchange the antenna assembly of radio data signal, beyond doubt one of most important assembly in radio communication device.At present, the part radio communication device on market adopts metal shell to increase texture, and so, this metal shell often forms a large earth point with the mainboard of radio communication device, causes the reduction of antenna efficiency.Therefore how to improve the antenna receiving-sending efficiency of the radio communication device with metal shell, become the challenge of Ge Jia antenna manufacturer maximum.
Summary of the invention
In view of above situation, be necessary to provide a kind of have metal shell and the higher radio communication device of antenna receiving-sending efficiency.
A kind of radio communication device, it comprises metal housing, substrate and current fed portion, on this housing, offer the first groove and the second groove that are connected, this current fed portion is connected with electrical property of substrate, for obtaining electric current from substrate, this housing and current fed portion are coupled so that the first groove and the second groove all sense electric current and inspire corresponding resonance mode, and then make this radio communication device transmitting-receiving have the wireless signal of the first centre frequency and the second centre frequency.
A kind of radio communication device, it comprises metal housing and substrate, substrate and current fed portion, on this housing, offer the first groove and the second groove that are connected, this current fed portion is connected with electrical property of substrate, for obtaining electric current from substrate, the coupling of this housing and current fed portion is usingd jointly as the antenna of radio communication device, and this first groove and the second groove sense electric current and inspire corresponding resonance mode, and then make the antenna receiving-sending wireless signal of this radio communication device.
Above-mentioned radio communication device is by offering the first groove and the second groove on metal housing, makes this housing with transmitting-receiving, have the first centre frequency as antenna radiator and has the wireless signal of the second centre frequency.This radio communication device makes full use of metal housing as antenna, has effectively improved antenna receiving-sending efficiency, and is conducive to radio communication device miniaturization development.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the radio communication device of better embodiment of the present invention;
Fig. 2 is the decomposed figure of the radio communication device shown in Fig. 1;
Fig. 3 is the decomposed figure of the radio communication device other direction shown in Fig. 1;
Fig. 4 is return loss (Return Loss, the RL) schematic diagram of the radio communication device shown in Fig. 1.
Main element symbol description
| |
100 |
| |
10 |
| |
12 |
| |
30 |
| |
32 |
| |
34 |
| The |
322 |
| The |
324 |
| |
326 |
| |
3222、3224、3242、3244 |
| |
3262、3264 |
| Current fed |
50 |
| The first feed-in |
52 |
| The second feed-in |
54 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, better embodiment of the present invention provides a kind of radio communication device 100, and it can be the mancarried devices such as mobile phone, personal digital assistant.
This radio communication device 100 comprises substrate 10, housing 30 and current fed portion 50.
In the present embodiment, this substrate 10 is the circuit board of radio communication device 100, and it adopts epoxy resin fiberglass (FR4) to make.One load point 12 and a ground plane (figure is mark not) are set on this substrate 10.This load point 12 is for providing electric current, and this ground plane is used for providing system earth.
Incorporated by reference to consulting Fig. 2 and Fig. 3, this housing 30 is made of metal, and it comprises a base plate 32 and two side plates 34, and this two side plate 34 is oppositely arranged and is connected in the both sides of base plate 32.This base plate 32 and two side plates 34 surround an accommodation space (not shown), with accommodating substrate 10 and current fed portion 50.
This base plate 32 is for the antenna radiator as radio communication device 100, and one first groove 322, one second groove 324 and a link slot 326 are offered in one end of this base plate 32.This first groove 322 is a straight groove, and it comprises relative dual side-edge 3222,3224.This second groove 324 is a straight groove, and it is communicated with the first groove 322, and this second groove 324 comprises relative dual side-edge 3242,3244.In the present embodiment, the length of this first groove 322 is longer than the second groove 324, width is wider than the second groove 324, and the side 3222 of this first groove 322 and the side 3242 of the second groove 324 are positioned at always online, and the side 3224 of the first groove 322 and the side 3244 of the second groove 324 stagger.One end of this link slot 326 is connected in the junction of the first groove 322 and the second groove 324, and is all communicated with the first groove 322 and the second groove 324.This link slot 326 comprises two relative minor faces 3262,3264, the vertical connection of side 3224 of the minor face 3262 of this link slot 326 and the first groove 322, the vertical connection of side 3244 of the minor face 3264 of this link slot 326 and the second groove 324.In the present embodiment, the width of this first groove 322 is about 1.5mm, and the width of this second groove 324 is about 1mm, and the width of this link slot 326 is about 0.5mm.By this link slot 326, be communicated with the first groove 322 and the second groove 324, make base plate 32 form open type antenna, be convenient to reduce by adjusting the size of this link slot 326 length of the first groove 322 and the second groove 324.
On this base plate 32, can further by modes such as leather sprayings, block the first groove 322, the second groove 324 and link slot 326, in order to avoid affect the outward appearance of radio communication device 100.
This two side plate 34 is all electrically connected with the ground plane of substrate 10, makes electric current form current circuit through base plate 32, side plate 34 and substrate 10.
This current fed portion 50 is arranged at the top of base plate 32, and the spacing (about 0.4mm) certain with base plate 32 maintenances, usings and base plate 32 couplings the common antenna as this radio communication device 100.In the present embodiment, this current fed portion 50 one is roughly the microstrip line of " L " type, and it comprises the first feed-in section 52 and the second feed-in section 54.One end of this first feed-in section 52 and the load point on substrate 10 12 are electrically connected, to obtain electric current.This first feed-in section 52 is one end near the second groove 324 across the first groove 322 straightly, and this second feed-in section 54 is vertically connected at the other end of the first feed-in section 52, and crosses link slot 326.
Further illustrate the operation principle of this radio communication device 100 below, first current fed portion 50 obtains electric current from load point 12, with base plate 32 couplings, makes the first groove 322, the second groove 324 and link slot 326 on base plate 32 all sense electric current.Thereafter, electric current is got back to the ground plane of substrate 10 through side plate 34, and then forms current circuit.Because current strength around the first groove 322 and the second groove 324 is larger, make this base plate 32 inspire the first resonance mode by the first groove 322, the wireless signal with transmitting-receiving with the first centre frequency, and inspire the second resonance mode by the second groove 324, to receive and dispatch the wireless signal with the second centre frequency.Incorporated by reference to consulting Fig. 4, by the size of adjusting this first groove 322, make this radio communication device 100 when receiving and dispatching the wireless signal (as GPS) that the first centre frequency is 1570-1575MHz, there is preferably efficiency.Meanwhile, by the size of adjusting this second groove 324, make this radio communication device 100 when receiving and dispatching the wireless signal (as WIFI) that the second centre frequency is 2400-2484MHz, there is preferably efficiency.
Claims (10)
1. a radio communication device, it comprises metal housing and substrate, it is characterized in that: this radio communication device also comprises current fed portion, on this housing, offer the first groove and the second groove that are connected, this current fed portion is connected with electrical property of substrate, for obtaining electric current from substrate, this housing and current fed portion are coupled so that the first groove and the second groove all sense electric current and inspire corresponding resonance mode, and then make this radio communication device transmitting-receiving have the wireless signal of the first centre frequency and the second centre frequency.
2. radio communication device as claimed in claim 1, it is characterized in that: described housing comprises base plate and two side plates, this first groove and the second groove are all opened on base plate, this two side plate is oppositely arranged and is connected in the both sides of base plate, to surround an accommodation space with base plate, with accommodating substrate and current fed portion.
3. radio communication device as claimed in claim 2, is characterized in that: a load point and a ground plane are set on described substrate, and this current fed portion and load point are electrically connected, and this two side plate and ground plane are electrically connected.
4. radio communication device as claimed in claim 1, it is characterized in that: described the first groove and the second groove include relative dual side-edge, one side of this first groove and a side of the second groove are located along the same line, and another side of this first groove and another side of the second groove stagger.
5. radio communication device as claimed in claim 4, is characterized in that: described the first groove is communicated with the second groove, and the length of this first groove is longer than the second groove, and width is wider than the second groove.
6. radio communication device as claimed in claim 4, is characterized in that: on described housing, also offer a link slot, this link slot is communicated with the first groove and the second groove simultaneously.
7. radio communication device as claimed in claim 6, it is characterized in that: described current fed portion comprises the first feed-in section and the second feed-in section, this the first feed-in section is the one end near the second groove across the first groove, and this second feed-in section is connected in the other end of the first feed-in section, and crosses link slot.
8. a radio communication device, it comprises metal housing and substrate, it is characterized in that: this radio communication device also comprises current fed portion, on this housing, offer the first groove and the second groove that are connected, this current fed portion is connected with electrical property of substrate, for obtaining electric current from substrate, the coupling of this housing and current fed portion is usingd jointly as the antenna of radio communication device, this first groove and the second groove sense electric current and inspire corresponding resonance mode, and then make the antenna receiving-sending wireless signal of this radio communication device.
9. radio communication device as claimed in claim 8, it is characterized in that: described the first groove and the second groove include relative dual side-edge, one side of this first groove and a side of the second groove are located along the same line, and another side of this first groove and another side of the second groove stagger.
10. radio communication device as claimed in claim 9, is characterized in that: on described housing, also offer a link slot, this link slot is communicated with the first groove and the second groove simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210240901.9A CN103545611B (en) | 2012-07-12 | 2012-07-12 | Wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210240901.9A CN103545611B (en) | 2012-07-12 | 2012-07-12 | Wireless communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103545611A true CN103545611A (en) | 2014-01-29 |
| CN103545611B CN103545611B (en) | 2019-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210240901.9A Active CN103545611B (en) | 2012-07-12 | 2012-07-12 | Wireless communication device |
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|---|---|
| CN (1) | CN103545611B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852135A (en) * | 2014-02-17 | 2015-08-19 | 佳邦科技股份有限公司 | Antenna structure, electronic device, and design method for antenna structure |
| CN106058431A (en) * | 2016-07-27 | 2016-10-26 | 常熟市泓博通讯技术股份有限公司 | Module system for integrated antenna |
| CN106611896A (en) * | 2015-10-23 | 2017-05-03 | 富港电子(昆山)有限公司 | Antenna device |
| CN107768807A (en) * | 2017-09-30 | 2018-03-06 | 北京小米移动软件有限公司 | Metal center, gps antenna structure and mobile terminal |
| CN110896168A (en) * | 2018-09-13 | 2020-03-20 | 深圳市超捷通讯有限公司 | Antenna structure and wireless communication device with same |
| CN111490336A (en) * | 2020-05-07 | 2020-08-04 | 环鸿电子（昆山）有限公司 | Miniature antenna structure suitable for multifrequency |
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| EP2117074A1 (en) * | 2008-05-06 | 2009-11-11 | Samsung Electronics Co., Ltd. | Mobile terminal having metal case and antenna structure |
| CN101697380A (en) * | 2009-10-09 | 2010-04-21 | 清华大学 | Dual-polarized built-in slot antenna used for mobile terminal of wireless local area network |
| CN201754431U (en) * | 2010-03-31 | 2011-03-02 | 联想(北京)有限公司 | Micro-strip feed antenna and mobile terminal |
| CN202013946U (en) * | 2011-02-01 | 2011-10-19 | 上海晨兴希姆通电子科技有限公司 | Mobile phone antenna and mobile phone with same |
| CN102394354A (en) * | 2011-10-12 | 2012-03-28 | 惠州硕贝德无线科技股份有限公司 | Multi-frequency antenna used for all-metal casing surface |
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2012
- 2012-07-12 CN CN201210240901.9A patent/CN103545611B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2117074A1 (en) * | 2008-05-06 | 2009-11-11 | Samsung Electronics Co., Ltd. | Mobile terminal having metal case and antenna structure |
| CN101697380A (en) * | 2009-10-09 | 2010-04-21 | 清华大学 | Dual-polarized built-in slot antenna used for mobile terminal of wireless local area network |
| CN201754431U (en) * | 2010-03-31 | 2011-03-02 | 联想(北京)有限公司 | Micro-strip feed antenna and mobile terminal |
| CN202013946U (en) * | 2011-02-01 | 2011-10-19 | 上海晨兴希姆通电子科技有限公司 | Mobile phone antenna and mobile phone with same |
| CN102394354A (en) * | 2011-10-12 | 2012-03-28 | 惠州硕贝德无线科技股份有限公司 | Multi-frequency antenna used for all-metal casing surface |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852135A (en) * | 2014-02-17 | 2015-08-19 | 佳邦科技股份有限公司 | Antenna structure, electronic device, and design method for antenna structure |
| CN104852135B (en) * | 2014-02-17 | 2018-03-23 | 佳邦科技股份有限公司 | The design method of antenna structure, electronic installation and antenna structure |
| CN106611896A (en) * | 2015-10-23 | 2017-05-03 | 富港电子(昆山)有限公司 | Antenna device |
| CN106058431A (en) * | 2016-07-27 | 2016-10-26 | 常熟市泓博通讯技术股份有限公司 | Module system for integrated antenna |
| CN107768807A (en) * | 2017-09-30 | 2018-03-06 | 北京小米移动软件有限公司 | Metal center, gps antenna structure and mobile terminal |
| CN107768807B (en) * | 2017-09-30 | 2019-12-03 | 北京小米移动软件有限公司 | Metal center, GPS antenna structure and mobile terminal |
| CN110896168A (en) * | 2018-09-13 | 2020-03-20 | 深圳市超捷通讯有限公司 | Antenna structure and wireless communication device with same |
| CN110896168B (en) * | 2018-09-13 | 2021-10-29 | 荷兰移动驱动器公司 | Antenna structure and wireless communication device with same |
| US11271285B2 (en) | 2018-09-13 | 2022-03-08 | Mobile Drive Netherlands B.V. | Antenna structure |
| CN111490336A (en) * | 2020-05-07 | 2020-08-04 | 环鸿电子（昆山）有限公司 | Miniature antenna structure suitable for multifrequency |
| CN111490336B (en) * | 2020-05-07 | 2021-11-02 | 环鸿电子（昆山）有限公司 | Miniature antenna structure suitable for multifrequency |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103545611B (en) | 2019-11-22 |
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| CB02 | Change of applicant information |
Address after: A, F3 District, Foxconn science and Technology Industrial Park, Longhua Town, Shenzhen, Guangdong, Baoan District Applicant after: Shenzhen Futaihong Precision Industry Co., Ltd. Applicant after: Qun Mai communication limited company Address before: 518109 F3 building, Foxconn science and Technology Industrial Park, Longhua Town, Shenzhen, Guangdong, A, China Applicant before: Shenzhen Futaihong Precision Industry Co., Ltd. Applicant before: Chi Mei Communication Systems, Inc. |
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| GR01 | Patent grant |