CN204289710U - A kind of LTE metal edge frame antenna - Google Patents

A kind of LTE metal edge frame antenna Download PDF

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Publication number
CN204289710U
CN204289710U CN201420683155.5U CN201420683155U CN204289710U CN 204289710 U CN204289710 U CN 204289710U CN 201420683155 U CN201420683155 U CN 201420683155U CN 204289710 U CN204289710 U CN 204289710U
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CN
China
Prior art keywords
antenna
edge frame
metal edge
lte
cabling
Prior art date
Application number
CN201420683155.5U
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Chinese (zh)
Inventor
彭鸣明
吴永茂
Original Assignee
惠州硕贝德无线科技股份有限公司
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Priority to CN201420683155.5U priority Critical patent/CN204289710U/en
Application granted granted Critical
Publication of CN204289710U publication Critical patent/CN204289710U/en

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Abstract

The utility model relates to a kind of LTE metal edge frame antenna.Described antenna is arranged in a communication apparatus, comprise main PCB plate (1) and the metal edge frame (2) of communication apparatus, metal edge frame is located at the periphery of main PCB plate, have two very tiny left gaps (15) and right end clearance (16) between the two left and right, the two ends up and down of described pcb board are provided with headroom district; Described metal edge frame LTE main antenna is placed in the headroom district of pcb board lower end, and three-in-one antenna and LTE diversity antenna are placed in the headroom district of pcb board upper end; Respectively there are a breakpoint (3) and (4) in the upper and lower two ends of metal edge frame.

Description

A kind of LTE metal edge frame antenna

Technical field

The utility model relates to antenna technical field, particularly relates to a kind of metal edge frame that adopts as the LTE antenna design of an antenna part.

Background technology

Current wireless terminal built-in aerial generally adopts planar inverted-F antenna (PIFA) and unipole antenna (Monopole).Planar inverted-F antenna is higher due to the requirement of opposite sum height, seriously limits the layout of complete machine and lightening.Simultaneously because multiple antennas layout limit, and PIFA antenna affects its poor-performing caused by surrounding metal.For unipole antenna too, the existence of the large metalwork of close region is undoubtedly deathblow to its wireless performance.

Metal edge frame mobile phone is favored by people owing to having more beautiful metal appearance, and mobile phone adopts the design form of metal edge frame in addition, and structure is firmer, mobile phone weight also can be made to alleviate to some extent simultaneously.But the existence of metal edge frame, if by traditional independent FPC form, then metal edge frame produces larger interference by antenna, makes antenna performance be subject to impact larger than metal device in mobile phone.

Using the part of metal edge frame as antenna radiator, in conjunction with FPC cabling, the interference problem of metal edge frame just can be solved preferably.In addition, the opening number increase of metal edge frame can promote the production cost of mobile phone, therefore the opening number of frame will be made more few better, but the minimizing of the opening number also corresponding design difficulty that improve antenna.

Utility model content

For the problems referred to above, the purpose of this utility model is, provides a kind of using the LTE antenna of metal edge frame as some antennas cabling.Described antenna effectively utilizes part metals frame, can take into account GSM, WCDMA, LTE how many frequency ranges simultaneously.

The technical solution of the utility model is as follows: a kind of LTE metal edge frame antenna, be arranged in a communication apparatus, comprise the pcb board of communication apparatus and be centered around the metal edge frame of pcb board periphery, between described pcb board and metal edge frame the right and left, being respectively equipped with left gap and right end clearance; The upper and lower two ends of metal edge frame arrange the first breakpoint and the second breakpoint respectively; The two ends up and down of pcb board all arrange empty regions; Described antenna wiring area is arranged at the empty regions of pcb board lower end, and WIFI, BT, GPS three-in-one antenna and LTE diversity antenna are arranged at the empty regions of pcb board upper end.

Described left gap arranges four grounded point; Right end clearance is arranged three earth points, be respectively used to cooperation three kinds of antennas.

Preferably, described antenna body adopts PIFA antenna; Described three-in-one antenna adopts PIFA antenna form; Described LTE diversity antenna adopts PIFA antenna or two LOOP antenna.The described distributing point of LTE diversity antenna and the distributing point of antenna body are that diagonal angle is arranged.

Preferably, described antenna body lays respectively at the first breakpoint both sides, comprises first distributing point in left side, and that is drawn by the first distributing point is connected to form the first cabling of loop with the metal edge frame lower left corner; Close on the second cabling that the first cabling and the first cabling are set up in parallel, by metal edge frame on the left of the first breakpoint and the 3rd cabling of drawing left at metal edge frame end, the 3rd cabling end establishes kink; Be positioned at above the 3rd cabling and drawn and the 4th cabling by pcb board; On the right side of first breakpoint, metal edge frame is connected by ground connection cabling and pcb board, and two earth points on left gap are near antenna body, and an earth point on right end clearance is near antenna body.

Preferably, described three-in-one antenna is positioned at the left side of the second breakpoint, comprise: first feeder line be connected with metal edge frame of being drawn by the second distributing point, from the 5th cabling that metal edge frame is drawn, be positioned at from pcb board ground the 6th cabling of drawing below the 5th cabling, on left gap, two earth points are near described three-in-one antenna.

Preferably, described LTE diversity antenna is positioned at the right side of the second breakpoint, comprising: second feeder line of being drawn by the 3rd distributing point, and its end is connected with metal edge frame top, draw the 7th cabling on the 3rd feedback point right side from pcb board, its end is connected with on the right side of metal edge frame; Draw the 8th cabling in the 3rd feedback point left side from pcb board, be connected with metal edge frame top after its bending; Two earth points on right end clearance are near described LTE diversity antenna.

Compared with prior art, LTE metal edge frame antenna described in the utility model effectively make use of part metals frame, by to the change of antenna body form and the design of other auxiliary antennas, antenna can be made to cover multiple frequency range such as GSM, WCDMA, TDD-LTE, avoid the impact of communicating terminal metal edge frame on antenna performance, realize excellent performance.And whole metal edge frame only needs two breakpoints, processes simple and convenient, cost-saving.Meanwhile, described LTE metal edge frame antenna is adopted can to make antenna for mobile phone height reduction and make spaces compact.

Accompanying drawing explanation

Fig. 1 is the embodiment schematic diagram of three-in-one antenna described in the utility model and LTE diversity antenna;

Fig. 2 is the embodiment schematic diagram of antenna body described in the utility model;

Fig. 3 is LTE metal edge frame antenna embodiment front schematic view described in the utility model;

Fig. 4 is the simulated return loss figure of above-described embodiment antenna body;

Fig. 5 is the utility model antenna scheme main antenna actual measurement return loss plot;

The actual measurement return loss plot of three-in-one antenna described in Fig. 6 above-described embodiment;

The actual measurement return loss plot of LTE diversity antenna described in Fig. 7 above-described embodiment.

Embodiment

Below with reference to the accompanying drawing of the utility model embodiment, the utility model is further described in detail.In practical application, the utility model can realize in many different forms, and should not be construed as by the restriction in the enforcement of this proposition.On the contrary, it is abundant and complete open in order to reach for proposing these enforcements, and makes those skilled in the art understand scope of the present utility model completely.In these accompanying drawings, for clarity sake, may be exaggerated size and the relative size in layer and region.

With reference to figure 3, a kind of LTE metal edge frame antenna, be arranged in a communication apparatus, comprise main PCB plate (1) and the metal edge frame (2) of communication apparatus, metal edge frame is located at the periphery of main PCB plate, have two very tiny left gaps (15) and right end clearance (16) between the two left and right, the two ends up and down of described pcb board are provided with headroom district; Described metal edge frame LTE main antenna is placed in the headroom district of pcb board lower end, and three-in-one antenna and LTE diversity antenna are placed in the headroom district of pcb board upper end; Respectively there are a breakpoint (3) and (4) in the upper and lower two ends of metal edge frame.

With reference to figure 2, the distributing point (5) of described metal edge frame LTE main antenna is near left side, and the cabling of being drawn by distributing point (6) and metal edge frame are connected to form a loop, arranges two earth points in left gap (15) near this antenna place; Lower end breakpoint (3) left side metal edge frame and connect one section of metal routing (7) at metal edge frame end, another metal routing (7) end has a bending; Cabling (8) is connected with metal edge frame, and cabling (9) is drawn by PCB floor and bent; Breakpoint (3) right side metal edge frame (10) is connected with one section of ground connection cabling, has individual earth point at right end clearance (16) near this antenna place.As shown in Figure 4, known low frequency part is about-5dB, and HFS, all below-5dB, illustrates that LTE main antenna has good impedance bandwidth, can meet practical application for the simulated return loss figure of above-described embodiment main antenna.

With reference to figure 1, in three-in-one antenna, the feeder line (11) of being drawn by distributing point is connected with breakpoint (4) left side metal edge frame (14), and draw cabling (12) from metal edge frame (14), draw cabling (13) with PCB floor, also have two ground contacts near the left gap (15) of this antenna.

With reference to figure 1, to LTE diversity antenna, the feeder line (17) of being drawn by distributing point and breakpoint (4) right side metal edge frame (20) are connected, draw cabling (18) with metal edge frame on the right side of mobile phone to be connected on the right side of feedback point from PCB floor, then form a becate with feeder line; Draw cabling (19) in feedback point left side from PCB floor and be connected with metal edge frame (20) after bending, then forming a long ring with feeder line; There are two earth points on gap, right side (16) near antenna place.

The actual measurement return loss plot of three kinds of form antennas of LTE metal edge frame antenna is formed respectively as shown in Fig. 5,6,7 described in above embodiment.As can be seen from the figure, Fig. 5 main antenna low frequency part is slightly shallow compared with simulation curve, and HFS, substantially below-5dB, can meet the requirements; The GPS of Fig. 6 three-in-one antenna below-10dB, WIFI/BT minimum point also below-10dB, can meet the demands; In the diversity antenna of Fig. 7, except the 5th slightly high except, other also can reach requirement all below-5dB.More than occur the error with emulation, reason may from the deviation of material object manufacture.

Form described in above embodiment that the actual measurement radiation efficiency of three kinds of form antennas of LTE metal edge frame antenna, average power and maximum power see the following form 1 respectively, table 2, table 3:

824 880 895 925 1710 1810 1880 1990 2050 2130 2230 2350 2470 2590 2700 9% 11% 13% 19% 21% 38% 39% 48% 52% 68% 73% 61% 48% 56% 61% 5.07 4.71 4.17 2.18 2.86 0.43 0.24 0.79 1.52 2.54 2.47 1.59 1.94 1.46 1.92

Table 1

1710 1810 1880 1990 2050 2130 2230 2350 2470 2590 2700 22% 23% 40% 70% 62% 47% 36% 38% 40% 53% 56% 2.30 -0.47 1.04 2.04 1.25 -0.16 -0.75 -0.01 -0.25 1.69 4.33

Table 2 1570 1575 1580 2400 2410 2420 2430 2440 2450 2460 2470 2480 2490 2500 77% 77% 76% 28% 29% 31% 31% 27% 27% 28% 28% 30% 29% 30% 2.09 2.54 2.82 0.60 0.95 1.08 1.13 1.22 1.76 2.33 2.20 2.34 2.16 2.18

Table 3

Be efficiency by inputoutput test and the maximum gain of LTE main antenna in table 1, can see, low frequency part efficiency is slightly low, and high frequency can reach requirement preferably; Table 2 is efficiency by inputoutput test and the maximum gain of LTE-TDD diversity antenna, can see, the efficiency of antenna all can meet the demands preferably; Table 3 is GPS+WIFI+BT three-in-one antenna, can see, the excellent performance of gps antenna, and WIFI/BT antenna also meets the demands.

In the present embodiment, the cabling form of metal edge frame LTE main antenna has mainly made two into the feed part of PIFA antenna, thus is connected to form a ring with metal edge frame, and remainder low frequency high frequency and parasitic branch are not limited to the present embodiment form; And main antenna must be arranged in the lower end of mobile phone, be beneficial to reduce antenna to the radiation of human brain and staff brain to the impact of antenna performance.

In the present embodiment, metal edge frame three-in-one antenna adopts the PIFA form shown in this example, but is not limited to PIFA form; LTE diversity antenna adopts the two LOOP forms shown in this example, but is not limited to two LOOP form, is especially good with PIFA form, and its distributing point will as far as possible with the distributing point of LTE main antenna at diagonal position.

The content mentioned in above-described embodiment is not to restriction of the present utility model, is not departing from invention of the present utility model

Under the prerequisite of design, any apparent replacement is all within protection range of the present utility model.

Claims (8)

1. a LTE metal edge frame antenna, be arranged in a communication apparatus, comprise the pcb board (1) of communication apparatus and be centered around the metal edge frame (2) of pcb board periphery, it is characterized in that, between described pcb board (1) and metal edge frame (2) the right and left, be respectively equipped with left gap (15) and right end clearance (16); The upper and lower two ends of metal edge frame arrange the first breakpoint (3) and the second breakpoint (4) respectively; The two ends up and down of pcb board all arrange empty regions; Described antenna wiring area is arranged at the empty regions of pcb board lower end, and WIFI, BT, GPS three-in-one antenna and LTE diversity antenna are arranged at the empty regions of pcb board upper end.
2. LTE metal edge frame antenna according to claim 1, is characterized in that, described left gap (15) arranges four grounded point; Right end clearance (16) is arranged three earth points.
3. LTE metal edge frame antenna according to claim 1, is characterized in that, described antenna body adopts PIFA antenna.
4. LTE metal edge frame antenna according to claim 1, is characterized in that, described three-in-one antenna adopts PIFA antenna form.
5. LTE metal edge frame antenna according to claim 1, is characterized in that, described LTE diversity antenna adopts PIFA antenna or two LOOP antenna.
6. LTE metal edge frame antenna according to claim 1, is characterized in that, the described distributing point of LTE diversity antenna and the distributing point of antenna body are that diagonal angle is arranged.
7. LTE metal edge frame antenna according to claim 1, it is characterized in that, described antenna body lays respectively at the first breakpoint (3) both sides, comprise first distributing point (5) in left side, that is drawn by the first distributing point is connected to form first cabling (6) of loop with the metal edge frame lower left corner; Close on the second cabling (8) that the first cabling and the first cabling are set up in parallel, by the first breakpoint (3) left side metal edge frame and the 3rd cabling (7) of drawing left at metal edge frame end, the 3rd cabling (7) end establishes kink; Be positioned at the 3rd cabling (7) top to be drawn and the 4th cabling (9) by pcb board; First breakpoint (3) right side metal edge frame is connected by ground connection cabling (10) and pcb board, and two earth points on left gap (15) are near antenna body, and an earth point on right end clearance (16) is near antenna body.
8. LTE metal edge frame antenna according to claim 1, it is characterized in that, described three-in-one antenna is positioned at the left side of the second breakpoint (4), comprise: first feeder line (11) be connected with metal edge frame (2) of being drawn by the second distributing point, from the 5th cabling (12) that metal edge frame (2) is drawn, be positioned at the 5th cabling (12) below from pcb board ground the 6th cabling (13) of drawing, left gap (15) upper two earth points are near described three-in-one antenna.
CN201420683155.5U 2014-11-17 2014-11-17 A kind of LTE metal edge frame antenna CN204289710U (en)

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CN105006647A (en) * 2015-08-04 2015-10-28 常熟泓淋电子有限公司 Composite 4G metal ring antenna
CN105119049A (en) * 2015-08-12 2015-12-02 宇龙计算机通信科技(深圳)有限公司 Antenna system and communication electronic equipment
CN105244599A (en) * 2015-10-30 2016-01-13 维沃移动通信有限公司 Antenna of mobile terminal and mobile terminal
CN105305066A (en) * 2015-10-26 2016-02-03 瑞声光电科技(常州)有限公司 Full metal back shell antenna system
CN105428786A (en) * 2015-11-09 2016-03-23 小米科技有限责任公司 Antenna assembly and electronic equipment with metal frame
CN105514604A (en) * 2015-12-09 2016-04-20 广东欧珀移动通信有限公司 Mobile terminal
CN105591200A (en) * 2016-01-06 2016-05-18 上海斐讯数据通信技术有限公司 Antenna based on pure metal frame and mobile terminal
CN105870585A (en) * 2016-01-06 2016-08-17 乐视移动智能信息技术(北京)有限公司 Antenna device and mobile terminal
CN106252839A (en) * 2016-08-30 2016-12-21 电子科技大学 A kind of band becket reconfigurable LTE MIMO antenna for mobile phone
CN106340725A (en) * 2015-07-08 2017-01-18 三星电机株式会社 Electronic device with multi-band antenna using outer conductor
CN107240760A (en) * 2016-03-29 2017-10-10 北京小米移动软件有限公司 A kind of all-metal antenna for mobile phone
CN107887683A (en) * 2016-09-30 2018-04-06 北京小米移动软件有限公司 Terminal shell and terminal
TWI640126B (en) * 2016-07-19 2018-11-01 群邁通訊股份有限公司 Antenna structure and wireless communication device with same
TWI640125B (en) * 2016-07-21 2018-11-01 群邁通訊股份有限公司 Antenna structure and wireless communication device with same
TWI640127B (en) * 2016-07-19 2018-11-01 群邁通訊股份有限公司 Antenna structure and wireless communication device with same
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TWI650904B (en) * 2016-07-21 2019-02-11 群邁通訊股份有限公司 The antenna structure and a radio communication device the antenna structures
TWI663779B (en) * 2017-10-30 2019-06-21 群邁通訊股份有限公司 Antenna structure and wireless communication device using same
TWI671948B (en) * 2017-12-25 2019-09-11 廣達電腦股份有限公司 Mobile device
WO2019227866A1 (en) * 2018-05-29 2019-12-05 北京小米移动软件有限公司 Electronic device and antenna structure thereof

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CN105119049B (en) * 2015-08-12 2018-09-07 宇龙计算机通信科技(深圳)有限公司 A kind of antenna system and communication electronic equipment
CN105119049A (en) * 2015-08-12 2015-12-02 宇龙计算机通信科技(深圳)有限公司 Antenna system and communication electronic equipment
CN105305066B (en) * 2015-10-26 2018-04-17 瑞声光电科技(常州)有限公司 All-metal dorsal shield antenna system
CN105305066A (en) * 2015-10-26 2016-02-03 瑞声光电科技(常州)有限公司 Full metal back shell antenna system
CN105244599A (en) * 2015-10-30 2016-01-13 维沃移动通信有限公司 Antenna of mobile terminal and mobile terminal
CN105428786A (en) * 2015-11-09 2016-03-23 小米科技有限责任公司 Antenna assembly and electronic equipment with metal frame
CN105514604A (en) * 2015-12-09 2016-04-20 广东欧珀移动通信有限公司 Mobile terminal
CN105591200A (en) * 2016-01-06 2016-05-18 上海斐讯数据通信技术有限公司 Antenna based on pure metal frame and mobile terminal
CN105870585A (en) * 2016-01-06 2016-08-17 乐视移动智能信息技术(北京)有限公司 Antenna device and mobile terminal
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CN107240760B (en) * 2016-03-29 2019-11-15 北京小米移动软件有限公司 A kind of all-metal antenna for mobile phone
CN107240760A (en) * 2016-03-29 2017-10-10 北京小米移动软件有限公司 A kind of all-metal antenna for mobile phone
TWI640126B (en) * 2016-07-19 2018-11-01 群邁通訊股份有限公司 Antenna structure and wireless communication device with same
TWI640127B (en) * 2016-07-19 2018-11-01 群邁通訊股份有限公司 Antenna structure and wireless communication device with same
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CN106252839A (en) * 2016-08-30 2016-12-21 电子科技大学 A kind of band becket reconfigurable LTE MIMO antenna for mobile phone
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