CN204045722U - A kind of closed loop metal edge frame 3G antenna - Google Patents
A kind of closed loop metal edge frame 3G antenna Download PDFInfo
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- CN204045722U CN204045722U CN201420551405.XU CN201420551405U CN204045722U CN 204045722 U CN204045722 U CN 204045722U CN 201420551405 U CN201420551405 U CN 201420551405U CN 204045722 U CN204045722 U CN 204045722U
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Abstract
The utility model provides a kind of closed loop metal edge frame 3G antenna, be applicable to the mobile terminal with metal edge frame structure, comprise metal edge frame, pcb board and antenna cabling, described pcb board comprises metallic region and empty regions, the both sides that the left and right two ends of described empty regions extend to metallic region are provided with the first earth point and the second earth point that pcb board and metal edge frame are electrically connected respectively, and described antenna cabling is arranged on above the empty regions of pcb board; The utility model, under the metal edge frame environment closed, by a high-frequency parasitic branch, in less fluting area, makes Antenna Operation in 824-960MHz frequency range and 1710-2170MHz frequency range, to reach more practical effect.
Description
Technical field
The utility model belongs to antenna technical field, is specifically related to a kind of closed loop metal edge frame 3G antenna.
Background technology
The portable terminal product of present metal-like is always deeply by the favor of consumer, but metal edge frame is unfavorable for the design of antenna, the radiation of restriction antenna, and based on the demand of moulding, the thickness of the portable terminals such as mobile phone is more and more thinner, the space of antenna is also more and more less, environment around antenna also becomes increasingly complex, so will under limited space and complex environment, conformable metallic structure, synchronous consideration Consumer's Experience, goes back the antenna of demand fulfillment multifrequency, brings great challenge to Antenna Design.
Current metal edge frame antenna design, all adopt the area cracking or increase antenna on metal edge frame, just can reach the performance requirement of antenna, also in less antenna area, antenna structure is not realized quite simple in industry, debug very convenient, and without the need to the antenna scheme that just can realize said function of cracking.
Utility model content
In view of this, the technical problems to be solved in the utility model is to provide a kind of less antenna area and can realizes working frequency range 824MHz-960MHz and 1710MHz-2170MHz, and without the need to driving the closed loop metal edge frame 3G antenna in any gap on metal edge frame.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of closed loop metal edge frame 3G antenna, comprise metal edge frame, pcb board and antenna cabling, described pcb board comprises metallic region and empty regions, the both sides that the left and right two ends of described empty regions extend to metallic region are provided with the first earth point and the second earth point that pcb board and metal edge frame are electrically connected respectively, and described antenna cabling is arranged on above the empty regions of pcb board;
Described antenna cabling comprises feed part, antenna slot part and spurious portion, described feed part is from the feed be located on pcb board, arrive above empty regions with the approximately parallel plane of empty regions in form cabling always feed branch be connected to metal edge frame, described spurious portion is positioned at the right side of feed part, above arrival empty regions, form parasitic branch from PCB with the inner bending of empty regions approximately parallel plane, described antenna slot part is located at the empty regions on pcb board.
Preferably, described metal edge frame forms a closed loop metal frame by the first frame connected successively, the second frame, the 3rd frame and the 4th frame, and described first frame connects the first earth point, and the 3rd frame connects the second earth point, and the 4th frame connects feed part.
Preferably, described feed is arranged on the line of demarcation of empty regions and metallic region.
Preferably, described antenna cabling spurious portion by after adopting first coupling away from bending cabling form and first thin after the high-frequency parasitic branch of wide live width form.
Preferably, described spurious portion comprises the first high-frequency parasitic branch, the second high-frequency parasitic branch third high parasitic branch and the 4th high-frequency parasitic branch frequently, described first high-frequency parasitic branch is from metallic region and empty regions boundary, connect the parasitic cabling be bent to form by the second high-frequency parasitic branch, the third high parasitic branch of frequency and the 4th high-frequency parasitic branch, described second high-frequency parasitic branch and the 4th frame form a coupling space.
Preferably, described antenna slot part comprises the first groove, the second groove and the 3rd groove, and described second groove and the 3rd groove are respectively the part that empty regions extends to metallic region both sides, the empty regions of described first slot below antenna cabling plane.
Preferably, the first groove of described antenna and the second groove form a grooved radiation loop.
Preferably, feed branch, the first earth point, adopt thimble contact or shrapnel contact to connect between the second earth point and the 4th frame respectively.
Compared with prior art, the utility model tool has the following advantages:
The utility model provides a kind of closed loop metal edge frame 3G antenna, under the metal edge frame environment closed, by a high-frequency parasitic branch, in less fluting area, make Antenna Operation in 824-960MHz and 1710-2170MHz frequency range, structure is simple, and debugging is convenient, and can reach more practical effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of closed loop metal edge frame of the utility model 3G antenna;
Fig. 2 is the antenna schematic perspective view of a kind of closed loop metal edge frame of the utility model 3G antenna;
Fig. 3 is the antenna structure view of a kind of closed loop metal edge frame of the utility model 3G antenna;
Fig. 4 is the Cellphone Accessories layout of a kind of closed loop metal edge frame of the utility model 3G antenna;
Fig. 5 is the entire physical layout of a kind of closed loop metal edge frame of the utility model 3G antenna;
Fig. 6 is the antenna return loss figure of a kind of closed loop metal edge frame of the utility model 3G antenna;
Fig. 7 is the antenna measured data chart of a kind of closed loop metal edge frame of the utility model 3G antenna.
Embodiment
The utility model to be explained in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that.
As shown in Figure 1,2 and 3, a kind of closed loop metal edge frame 3G antenna, be applicable to the mobile terminal with metal edge frame structure, comprise metal edge frame, pcb board and antenna cabling, wherein metal edge frame is to be connected successively the closed loop metal edge frame formed by the first frame 102, second frame 103 the 3rd frame 104 and the 4th frame 105, frame length is determined by mobile terminal size, example is of a size of with general mobile phone, metal edge frame is set to long L1 × wide W1=140mm × 70mm by the present embodiment, and the height of metal edge frame is set to h=5mm.
Pcb board is provided with in metal edge, described pcb board comprises empty regions 101 and metallic region 100, the described left and right two ends of empty regions 101 are respectively to metallic region 100 both sides time delay certain length, corresponding first frame 102 of left end is also provided with the first earth point 111, corresponding 3rd frame 104 of right-hand member is provided with the second earth point 112, first earth point 111 and the second earth point 112 are pcb board and metal edge frame electric connecting point, in the present embodiment, the width of empty regions 101 is set to L2=5mm.
Described antenna cabling is arranged in the empty regions 101 of pcb board, and antenna cabling comprises feed part, antenna slot part and spurious portion.
Described current feed department divides and comprises feed 200 and feed branch 201, on described feed 200 empty regions 101 be arranged on pcb board is demarcated with metallic region 100, described feed branch 201 forms cabling always in arrival empty regions (101) top with the approximately parallel plane of empty regions feed branch 201 from feed 200s is connected to metal edge frame.
Described spurious portion is positioned at the right side of feed part, for generation of the second high-frequency resonant, be operated in 1990-2170MHz frequency range, spurious portion adopt first coupling after away from bending cabling form, above arrival empty regions 101, become parasitic branch with empty regions approximately parallel plane infolding bending from pcb board, and its live width adopts first thin rear thick form.Spurious portion comprises the first high-frequency parasitic branch 202, second high-frequency parasitic branch 203, third high is parasitic branch 204 and the 4th high-frequency parasitic branch 205 frequently, described first high-frequency parasitic branch 202 is from metallic region 100 and empty regions 101 boundary, connect by the second high-frequency parasitic branch 203, the parasitic cabling that the third high parasitic branch 204 of frequency and the 4th high-frequency parasitic branch 205 are bent to form, described 4th high-frequency parasitic branch 205 and the second high-frequency parasitic branch 203, third high frequently parasitic branch 204 is in same plane, described second high-frequency parasitic branch 203 and the 4th frame 105 form a coupling space.
Described antenna slot part is separated by feed part and spurious portion and is produced.Comprise the first groove 301, second groove 302 and the 3rd groove 303, described second groove 302 and the 3rd groove 303 are respectively the part that empty regions 101 extends to metallic region 100 both sides, described first groove 301 one end connects feed part and spurious portion, and the other end is connected to the second groove 302.The width of the first groove 301 for regulating the bandwidth of antenna low frequency and the first high frequency, and regulates the ratio of the first high and low frequency resonance frequency; The length of the second groove 302 is the resonance frequency regulating antenna low frequency and the first high frequency, and the width of its groove is for regulating the bandwidth of low frequency; 3rd groove 303 is for regulating the input impedance of low frequency.First groove 301 of described antenna and the second groove 302 form a grooved radiation loop, the low-frequency range first time mould of composition antenna, meet the integral multiple resonance of 1/2nd wavelength, realize 824-960MHz frequency range, in addition, the second time mould of this groove for generation of the first high frequency, for realizing 1710-1990MHz frequency range.
Thimble contact or shrapnel contact is adopted to connect between feed branch 201, first earth point 111, second earth point 112 and the 4th frame 105.
Fig. 4 is the layout of Cellphone Accessories, and optimal layout scheme is: cradle 401 is placed near distributing point 200 left position, and USB is placed on centre, and loudspeaker 402 are placed on the position to the right near USB.
Fig. 5 is the integral layout figure of antenna, and optimal layout scheme is: bluetooth BT Antenna Design in the position, the upper right corner of PCB, but at least should keep the spacing of 2mm with metal edge frame; Gps antenna design is in the position, the lower left corner of PCB; Diversity antenna/LTE auxiliary antenna design is at the lower right position of PCB.
Fig. 6 is the return loss plot of antenna, and antenna low-frequency range 824-960MHz bandwidth is slightly partially narrow, can utilize coupling in actual applications, or obtains bandwidth broadning by the width of increase by first groove 301 and the second groove 302.Antenna high band 1710-2170MHz bandwidth meets the demands, and return loss is all less than-5dB.
Fig. 7 is antenna measured data, and when 824-960MHz, the average efficiency of antenna low-frequency range is greater than 30%; When 1710-2170MHz, the average efficiency of antenna high band is greater than 50%.
Be more than wherein specific implementation of the present utility model, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection range of the present utility model.
Claims (8)
1. a closed loop metal edge frame 3G antenna, it is characterized in that: comprise metal edge frame, pcb board and antenna cabling, described pcb board comprises metallic region (100) and empty regions (101), the both sides that described empty regions (101) left and right two ends extend to metallic region (100) are provided with the first earth point (111) and the second earth point (112) that pcb board and metal edge frame are electrically connected respectively, and described antenna cabling is arranged on empty regions (101) top of pcb board;
Described antenna cabling comprises feed part, antenna slot part and spurious portion, described feed part is from the feed be located on pcb board (200)s, the feed branch (201) forming cabling always in arrival empty regions (101) top with empty regions (101) approximately parallel plane is connected to metal edge frame, described spurious portion is positioned at the right side of feed part, parasitic branch is formed in arrival empty regions (101) top with the inner bending of empty regions (101) approximately parallel plane from pcb board, described antenna slot part is located at the empty regions (101) on pcb board.
2. closed loop metal edge frame 3G antenna according to claim 1, it is characterized in that: described metal edge frame forms a closed loop metal frame by the first frame (102) connected successively, the second frame (103), the 3rd frame (104) and the 4th frame (105), described first frame (102) connects the first earth point (111), 3rd frame (104) connects the second earth point (112), and the 4th frame (105) connects feed part.
3. closed loop metal edge frame 3G antenna according to claim 1, is characterized in that: described feed (200) is arranged at empty regions (101) with on the line of demarcation of metallic region (100).
4. closed loop metal edge frame 3G antenna according to claim 1, is characterized in that: the spurious portion of described antenna cabling by after adopting first coupling away from bending cabling form and first thin after the high-frequency parasitic branch of wide live width form.
5. closed loop metal edge frame 3G antenna according to claim 4, it is characterized in that: described spurious portion comprises the first high-frequency parasitic branch (202), second high-frequency parasitic branch (203), third high is parasitic branch (204) and the 4th high-frequency parasitic branch (205) frequently, described first high-frequency parasitic branch (202) is from metallic region (100) and empty regions (101) boundary, connect by the second high-frequency parasitic branch (203), the parasitic cabling that the third high parasitic branch of frequency (204) and the 4th high-frequency parasitic branch (205) are bent to form, described second high-frequency parasitic branch (203) and the 4th frame (105) form a coupling space.
6. closed loop metal edge frame 3G antenna according to claim 1, it is characterized in that: described antenna slot part comprises the first groove (301), the second groove (302) and the 3rd groove (303), described second groove (302) and the 3rd groove (303) are respectively the part that empty regions (101) extends to metallic region (100) both sides, and described first groove (301) is positioned at the empty regions below antenna cabling plane.
7. closed loop metal edge frame 3G antenna according to claim 6, is characterized in that: first groove (301) of described antenna and the second groove (302) form a grooved radiation loop.
8. a kind of closed loop metal edge frame 3G antenna according to claim 2, is characterized in that: feed branch (201), the first earth point (111), adopt thimble contact or shrapnel contact to connect between the second earth point (112) and the 4th frame (105) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551405.XU CN204045722U (en) | 2014-09-24 | 2014-09-24 | A kind of closed loop metal edge frame 3G antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420551405.XU CN204045722U (en) | 2014-09-24 | 2014-09-24 | A kind of closed loop metal edge frame 3G antenna |
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| CN204045722U true CN204045722U (en) | 2014-12-24 |
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| CN201420551405.XU Expired - Fee Related CN204045722U (en) | 2014-09-24 | 2014-09-24 | A kind of closed loop metal edge frame 3G antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104701619A (en) * | 2014-12-31 | 2015-06-10 | 东莞劲胜精密组件股份有限公司 | Annular loop closed metal ring antenna and mobile device |
| CN105322278A (en) * | 2015-06-26 | 2016-02-10 | 维沃移动通信有限公司 | Antenna with continuous metal frame and electronic equipment employing antenna |
| CN105514576A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Converter |
| CN105514575A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Antenna |
| CN105591190A (en) * | 2015-12-25 | 2016-05-18 | 惠州硕贝德无线科技股份有限公司 | Completely closed metal frame antenna and MIMO antenna thereof |
| CN105655686A (en) * | 2015-12-29 | 2016-06-08 | 北京锤子数码科技有限公司 | Wireless communication device |
| CN105742794A (en) * | 2016-02-03 | 2016-07-06 | 珠海市魅族科技有限公司 | Antenna structure and terminal |
| CN105977610A (en) * | 2015-11-06 | 2016-09-28 | 乐视移动智能信息技术（北京）有限公司 | Antenna manufacturing method and antenna system |
| CN106099320A (en) * | 2016-07-27 | 2016-11-09 | 深圳天珑无线科技有限公司 | Embedded antenna for mobile terminal and mobile terminal |
| CN106469852A (en) * | 2015-08-21 | 2017-03-01 | 葫芦科技有限公司 | A kind of standard of mobile communications device antenna and method for designing |
| WO2017080185A1 (en) * | 2015-11-12 | 2017-05-18 | 深圳市天鼎微波科技有限公司 | Complete metal frame antenna |
| CN108346849A (en) * | 2017-12-29 | 2018-07-31 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna for mobile phone of metal edge frame |
| CN109428157A (en) * | 2017-08-22 | 2019-03-05 | 广达电脑股份有限公司 | Mobile device |
| CN110233346A (en) * | 2019-06-18 | 2019-09-13 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| WO2021128546A1 (en) * | 2019-12-27 | 2021-07-01 | 惠州Tcl移动通信有限公司 | Antenna structure and terminal device using same |
| CN113972496A (en) * | 2019-05-13 | 2022-01-25 | 华为技术有限公司 | Electronic device |
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2014
- 2014-09-24 CN CN201420551405.XU patent/CN204045722U/en not_active Expired - Fee Related
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| CN104701619B (en) * | 2014-12-31 | 2017-08-01 | 东莞劲胜精密组件股份有限公司 | A kind of loop checking installation closure wireloop antenna and mobile device |
| CN104701619A (en) * | 2014-12-31 | 2015-06-10 | 东莞劲胜精密组件股份有限公司 | Annular loop closed metal ring antenna and mobile device |
| CN105322278A (en) * | 2015-06-26 | 2016-02-10 | 维沃移动通信有限公司 | Antenna with continuous metal frame and electronic equipment employing antenna |
| CN105322278B (en) * | 2015-06-26 | 2018-08-17 | 维沃移动通信有限公司 | Antenna with continuous metal frame and its electronic equipment |
| CN106469852A (en) * | 2015-08-21 | 2017-03-01 | 葫芦科技有限公司 | A kind of standard of mobile communications device antenna and method for designing |
| CN105977610A (en) * | 2015-11-06 | 2016-09-28 | 乐视移动智能信息技术（北京）有限公司 | Antenna manufacturing method and antenna system |
| WO2017080185A1 (en) * | 2015-11-12 | 2017-05-18 | 深圳市天鼎微波科技有限公司 | Complete metal frame antenna |
| CN105591190A (en) * | 2015-12-25 | 2016-05-18 | 惠州硕贝德无线科技股份有限公司 | Completely closed metal frame antenna and MIMO antenna thereof |
| CN105655686A (en) * | 2015-12-29 | 2016-06-08 | 北京锤子数码科技有限公司 | Wireless communication device |
| CN105514575A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Antenna |
| CN105514576A (en) * | 2015-12-29 | 2016-04-20 | 北京锤子数码科技有限公司 | Converter |
| CN105514576B (en) * | 2015-12-29 | 2021-06-08 | 北京字节跳动网络技术有限公司 | Converter |
| CN105742794A (en) * | 2016-02-03 | 2016-07-06 | 珠海市魅族科技有限公司 | Antenna structure and terminal |
| CN106099320A (en) * | 2016-07-27 | 2016-11-09 | 深圳天珑无线科技有限公司 | Embedded antenna for mobile terminal and mobile terminal |
| CN109428157A (en) * | 2017-08-22 | 2019-03-05 | 广达电脑股份有限公司 | Mobile device |
| CN109428157B (en) * | 2017-08-22 | 2021-11-23 | 广达电脑股份有限公司 | Mobile device |
| CN108346849A (en) * | 2017-12-29 | 2018-07-31 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna for mobile phone of metal edge frame |
| CN113972496A (en) * | 2019-05-13 | 2022-01-25 | 华为技术有限公司 | Electronic device |
| US11984646B2 (en) | 2019-05-13 | 2024-05-14 | Huawei Technologies Co., Ltd. | Electronic device |
| CN110233346A (en) * | 2019-06-18 | 2019-09-13 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| WO2021128546A1 (en) * | 2019-12-27 | 2021-07-01 | 惠州Tcl移动通信有限公司 | Antenna structure and terminal device using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20200924 |