CN104009282B - Based on seven frequency range intelligent mobile phone antenna of all-metal frame - Google Patents

Based on seven frequency range intelligent mobile phone antenna of all-metal frame Download PDF

Info

Publication number
CN104009282B
CN104009282B CN201410259056.9A CN201410259056A CN104009282B CN 104009282 B CN104009282 B CN 104009282B CN 201410259056 A CN201410259056 A CN 201410259056A CN 104009282 B CN104009282 B CN 104009282B
Authority
CN
China
Prior art keywords
ground strip
described
metal
3rd
seam
Prior art date
Application number
CN201410259056.9A
Other languages
Chinese (zh)
Other versions
CN104009282A (en
Inventor
李鹏鹏
张李弯
强云飞
陈忠祥
刘曦阳
班永灵
Original Assignee
电子科技大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 电子科技大学 filed Critical 电子科技大学
Priority to CN201410259056.9A priority Critical patent/CN104009282B/en
Publication of CN104009282A publication Critical patent/CN104009282A/en
Application granted granted Critical
Publication of CN104009282B publication Critical patent/CN104009282B/en

Links

Abstract

The invention discloses a kind of less seven frequency range intelligent mobile phone antenna based on all-metal frame that take up space.This antenna gives the first coupled radiation seam by feed element, second coupled radiation seam feed, by regulating the first coupled radiation seam, the width of the second coupled radiation seam, length and the first ground strip, second ground strip, the position of the 4th ground strip, required broadband (824-960MHZ and 1690-2690MHZ) can be obtained and cover seven frequency ranges required for terminal antenna, by to the first ground strip, second ground strip, 3rd ground strip, the position of the 4th ground strip is optimized design, utilize the seam of the spacing formation on metal edge frame and metal ground to increase the size of radiating slot, greatly reduce the space shared by planar slot antenna of microstrip feed line, the design of seven frequency intelligent mobile phone antenna is realized in minimum space.Be adapted at terminal antenna technical field to apply.

Description

Based on seven frequency range intelligent mobile phone antenna of all-metal frame

Technical field

The present invention relates to terminal antenna technical field, be specifically related to a kind of seven frequency range intelligent mobile phone antenna based on all-metal frame.

Background technology

Metal edge frame makes mobile phone be full of metal-like and can increase the structural strength of mobile phone, and therefore many mobile-phone manufacturers favor the aesthetic feeling in increasing cell phone appearance with metal edge frame very much.But the radiance impact of metal edge frame on antenna for mobile phone is very large, traditional antenna for mobile phone design is difficult to the application demand meeting metal edge frame mobile phone, so the mobile phone with metal edge frame becomes a great problem that mobile-phone manufacturers face.

The mobile phone at present with metal edge frame, in order to eliminate the impact of metal edge frame on antenna performance, generally adopts following methods: one, is cracked by metal edge frame with ground connection and loads the impact that lamped element eliminates ring.Two, the metal edge frame of antenna region is changed into plastic material or metal edge frame is divided into multiple part, the part metals frame of segmentation is designed as a part for antenna.Three, adopt the planar slot antenna of feed microstrip line to design, as shown in number of patent application CN201120421743.8.Above-mentioned technology has following drawback: one, cracks and ground connection destroys the continuity of metal edge frame, affect the overall aesthetic of mobile phone, while space required for Antenna Design large than required for traditional antenna; Two, part metals frame participates in radiation as a part for antenna.When hand or other conductors hold the seam on frame, the performance of antenna can sharply worsen, and causes transmitting-receiving bad.Three, adopt the planar slot antenna of feed microstrip line to design, but shared space is too large, is difficult to there is actual application value.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of less seven frequency range intelligent mobile phone antenna based on all-metal frame that take up space.

The present invention solves the problems of the technologies described above adopted technical scheme: should based on seven frequency range intelligent mobile phone antenna of all-metal frame, comprise medium substrate, metal edge frame, the lower surface of described medium substrate is provided with metal floor, the top of described metal floor is provided with the first bending seam, second vertical masonry joint, 3rd bending seam, described first bending seam comprises the first horizontal segment and the first vertical section being positioned at the first horizontal segment right-hand member, described first vertical section extends upwardly to metal floor edge, described second vertical masonry joint is parallel to the first horizontal segment of the first bending seam and is positioned at the first bending seam below, the right-hand member of the second vertical masonry joint extends to the edge of metal floor, described 3rd bending seam is positioned at below the second vertical masonry joint, described 3rd bending seam comprises the 3rd horizontal segment and is positioned at the 3rd vertical section of the 3rd horizontal segment left end, described 3rd vertical section extends upwardly to the edge of metal floor, described medium substrate is positioned at metal edge frame, gap is there is between the side of described metal floor and metal edge frame, the top of described medium substrate is provided with the first ground strip and the second ground strip, first ground strip is positioned at the outside of the 3rd vertical section, second ground strip is positioned at the outside of the first vertical section, the left side of medium substrate is provided with the 3rd ground strip, right side is provided with the 4th ground strip, described first bending seam, gap between first ground strip and the second ground strip and the 3rd bends to stitch and jointly forms the first coupled radiation and stitch, gap between the right-hand member of described second vertical masonry joint and the second vertical masonry joint and the 4th ground strip jointly forms the second coupled radiation and stitches, the upper surface of described medium substrate is provided with to the first coupled radiation seam, the feed element of the second coupled radiation seam feed.

Further, described metal edge frame is integral type structure.

Further, the length of described first coupled radiation seam is 1/2nd wavelength of low frequency GSM/850, and the length of described second coupled radiation seam is 1/2nd wavelength of low frequency GSM/900.

Further, described feed element is made up of the microstrip feed line of two feed tab and 50 ohm, and two feed tab are all vertical with microstrip feed line to be arranged and two feed tab are all arranged on the homonymy of microstrip feed line.

Further, described first ground strip, the second ground strip, the 3rd ground strip, the 4th ground strip are metal derby.

Further, the gap between the side of described metal floor and metal edge frame is 2mm.

Beneficial effect of the present invention: the seven frequency range intelligent mobile phone antenna based on all-metal frame of the present invention give the first coupled radiation seam, the second coupled radiation seam feed by feed element, by regulating the position of the width of the first coupled radiation seam, length and the first ground strip, the second ground strip, the first coupled radiation can be obtained and be sewn on the resonance that 800MHZ produces 1/2nd wavelength, produce the resonance of wavelength one by one at 1460MHz, produce the resonance of a two/three-wavelength at 2230MHZ, by regulating the width of the second coupled radiation seam, the position of length and the 4th ground strip, the resonance that can produce 1/2nd wavelength at 930MHZ produces two higher order resonances moulds simultaneously, the resonance producing wavelength one by one at 1760MHz respectively, the resonance of a two/three-wavelength is produced at 2590MHz, other are by the 3rd ground strip, metal floor, the gap that metal edge frame is formed, mainly play the effect of impedance matching, required broadband (824-960MHZ and 1690-2690MHZ) can be obtained by above mode of resonance and cover seven frequency ranges required for terminal antenna, by to the first ground strip, second ground strip, 3rd ground strip, the position of the 4th ground strip is optimized design, utilize the seam of the spacing formation on metal edge frame and metal ground to increase the size of radiating slot, greatly reduce the space shared by planar slot antenna of microstrip feed line, the design of seven frequency intelligent mobile phone antenna is realized in minimum space.

Accompanying drawing explanation

Fig. 1 is the structural representation of the seven frequency range intelligent mobile phone antenna based on all-metal frame of the present invention;

Fig. 2 is reflection coefficient (S-parameter) curve synoptic diagram of the seven frequency range intelligent mobile phone antenna that the present invention is based on all-metal frame;

Description of symbols in figure: vertical section 402, second vertical masonry joint 5 of medium substrate 1, metal edge frame 2, metal floor 3, first bending seam 4, first horizontal segment 401, first, the 3rd bending seam 6, the 3rd horizontal segment 601, the 3rd vertical section 602, first ground strip 7, second ground strip 8, the 3rd ground strip 9, the 4th ground strip 10, first coupled radiation seam 11, second coupled radiation seam 12, feed element 13, feed tab 131, microstrip feed line 132.

Embodiment

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.

As shown in Figure 1, should based on seven frequency range intelligent mobile phone antenna of all-metal frame, comprise medium substrate 1, metal edge frame 2, the lower surface of described medium substrate 1 is provided with metal floor 3, the top of described metal floor 3 is provided with the first bending seam 4, second vertical masonry joint 5, 3rd bending seam 6, described first bending seam 4 comprises the first horizontal segment 401 and the first vertical section 402 being positioned at the first horizontal segment 401 right-hand member, described first vertical section 402 extends upwardly to metal floor 3 edge, described second vertical masonry joint 5 is parallel to the first horizontal segment 401 of the first bending seam 4 and is positioned at below the first bending seam 4, the right-hand member of the second vertical masonry joint 5 extends to the edge of metal floor 3, described 3rd bending seam 6 is positioned at below the second vertical masonry joint 5, described 3rd bending seam 6 comprises the 3rd horizontal segment 601 and is positioned at the 3rd vertical section 602 of the 3rd horizontal segment 601 left end, described 3rd vertical section 602 extends upwardly to metal floor 3 edge, described medium substrate 1 is positioned at metal edge frame 2, gap is there is between the side of described metal floor 3 and metal edge frame 2, the top of described medium substrate 1 is provided with the first ground strip 7 and the second ground strip 8, first ground strip 7 is positioned at the outside of the 3rd vertical section 602, second ground strip 8 is positioned at the outside of the first vertical section 402, the left side of medium substrate 1 is provided with the 3rd ground strip 9, right side is provided with the 4th ground strip 10, described first bending seam 4, gap and the 3rd between first ground strip 7 and the second ground strip 8 bends seam 6, and forming the first coupled radiation stitches 11 jointly, gap between the right-hand member of described second vertical masonry joint 5 and the second vertical masonry joint 5 and the 4th ground strip 10 jointly forms the second coupled radiation and stitches 12, the upper surface of described medium substrate 1 is provided with to the first coupled radiation seam 11, second coupled radiation stitches the feed element 13 of 12 feeds.The seven frequency range intelligent mobile phone antenna based on all-metal frame of the present invention stitch 12 feeds to first coupled radiation seam the 11, second coupled radiation by feed element 13, by regulating the width of the first coupled radiation seam 11, the position of length and the first ground strip 7, second ground strip 8, the first coupled radiation seam 11 produces 1/2nd wavelength resonance at 800MHZ can be obtained, produce the resonance of wavelength one by one at 1460MHz, produce the resonance of a two/three-wavelength at 2230MHZ, by regulating the width of the second coupled radiation seam 12, the position of length and the 4th ground strip 10, the resonance that can produce 1/2nd wavelength at 930MHZ produces two higher order resonances moulds simultaneously, the resonance producing wavelength one by one at 1760MHz respectively, the resonance of a two/three-wavelength is produced at 2590MHz, other are by the 3rd ground strip 9, metal floor 3, the gap that metal edge frame 2 is formed, mainly play the effect of impedance matching, required broadband 824-960MHZ and 1690-2690MHZ can be obtained to cover seven frequency ranges required for terminal antenna by above mode of resonance, by to the first ground strip 7, second ground strip 8, 3rd ground strip 9, the position of the 4th ground strip 10 is optimized design, utilize the seam of the spacing formation on metal edge frame 2 and metal ground to increase the size of radiating slot, greatly reduce the space shared by planar slot antenna of microstrip feed line 132, the design of seven frequency intelligent mobile phone antenna is realized in minimum space.

The phenomenon that antenna performance sharply worsens can not be produced when hand or other conductor hold metal edge frame 2, metal edge frame 2 is set to integral structure.

Required mode of resonance can be better produced in order to make the first coupled radiation seam 11, second coupled radiation seam 12, the length of described first coupled radiation seam 11 is preferably 1/2nd wavelength of low frequency GSM/850, and the length of described second coupled radiation seam 12 is preferably 1/2nd wavelength of low frequency GSM/900.

In the above-described embodiment, described feed element 13 can adopt existing various feed structure, as preferably: described feed element 13 is made up of the microstrip feed line 132 of two feed tab 131 and 50 ohm, two feed tab 131 are all vertical with microstrip feed line 132 to be arranged and two feed tab 131 are all arranged on the homonymy of microstrip feed line 132.

In order to increase the bonding strength of metal edge frame 2 and medium substrate 1, described first ground strip 7, second ground strip 8, the 3rd ground strip 9, the 4th ground strip 10 are metal derby.

In order to reduce coupling effect, simultaneously also in order to meet the process requirements of mobile phone production firm, the gap design between the side of described metal floor 3 and metal edge frame 2 is 2mm.

Fig. 2 is the reflection coefficient S-parameter curve synoptic diagram of the seven frequency range intelligent mobile phone antenna that the present invention is based on all-metal frame.As shown in Figure 2, in the frequency range 824-960MHZ and 1690-2690MH of application needs, the reflection coefficient of antenna, all below-6dB, meets the designing requirement of antenna.

Claims (5)

1. based on seven frequency range intelligent mobile phone antenna of all-metal frame, it is characterized in that: comprise medium substrate (1), metal edge frame (2), the lower surface of described medium substrate (1) is provided with metal floor (3), the top of described metal floor (3) is provided with the first bending seam (4), second vertical masonry joint (5), 3rd bending seam (6), described first bending seam (4) comprises the first horizontal segment (401) and the first vertical section (402) being positioned at the first horizontal segment (401) right-hand member, described first vertical section (402) extends upwardly to metal floor (3) edge, described second vertical masonry joint (5) is parallel to first horizontal segment (401) of the first bending seam (4) and is positioned at the first bending seam (4) below, the right-hand member of the second vertical masonry joint (5) extends to the edge of metal floor (3), described 3rd bending seam (6) is positioned at the second vertical masonry joint (5) below, described 3rd bending seam (6) comprises the 3rd horizontal segment (601) and is positioned at the 3rd vertical section (602) of the 3rd horizontal segment (601) left end, described 3rd vertical section (602) extends upwardly to the edge of metal floor (3), described medium substrate (1) is positioned at metal edge frame (2), gap is there is between the side of described metal floor (3) and metal edge frame (2), the top of described medium substrate (1) is provided with the first ground strip (7) and the second ground strip (8), first ground strip (7) is positioned at the outside of the 3rd vertical section (602), second ground strip (8) is positioned at the outside of the first vertical section (402), the left side of medium substrate (1) is provided with the 3rd ground strip (9), right side is provided with the 4th ground strip (10), described first bending seam (4), gap between first ground strip (7) and the second ground strip (8) and the 3rd bends stitches (6) and jointly forms the first coupled radiation and stitch (11), gap between the right-hand member of described second vertical masonry joint (5) and the second vertical masonry joint (5) and the 4th ground strip (10) jointly forms the second coupled radiation and stitches (12), the upper surface of described medium substrate (1) is provided with to the first coupled radiation seam (11), the feed element (13) of second coupled radiation seam (12) feed, described metal edge frame (2) is integral type structure.
2. as claimed in claim 1 based on seven frequency range intelligent mobile phone antenna of all-metal frame, it is characterized in that: the length of described first coupled radiation seam (11) is 1/2nd wavelength of low frequency GSM/850, the length of described second coupled radiation seam (12) is 1/2nd wavelength of low frequency GSM/900.
3. as claimed in claim 2 based on seven frequency range intelligent mobile phone antenna of all-metal frame, it is characterized in that: described feed element (13) is made up of the microstrip feed line (132) of two feed tab (131) and 50 ohm, two feed tab (131) are all vertical with microstrip feed line (132) to be arranged and two feed tab (131) are all arranged on the homonymy of microstrip feed line (132).
4., as claimed in claim 3 based on seven frequency range intelligent mobile phone antenna of all-metal frame, it is characterized in that: described first ground strip (7), the second ground strip (8), the 3rd ground strip (9), the 4th ground strip (10) are metal derby.
5., as claimed in claim 4 based on seven frequency range intelligent mobile phone antenna of all-metal frame, it is characterized in that: the gap between the side of described metal floor (3) and metal edge frame (2) is 2mm.
CN201410259056.9A 2014-06-12 2014-06-12 Based on seven frequency range intelligent mobile phone antenna of all-metal frame CN104009282B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410259056.9A CN104009282B (en) 2014-06-12 2014-06-12 Based on seven frequency range intelligent mobile phone antenna of all-metal frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410259056.9A CN104009282B (en) 2014-06-12 2014-06-12 Based on seven frequency range intelligent mobile phone antenna of all-metal frame

Publications (2)

Publication Number Publication Date
CN104009282A CN104009282A (en) 2014-08-27
CN104009282B true CN104009282B (en) 2016-03-23

Family

ID=51369845

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410259056.9A CN104009282B (en) 2014-06-12 2014-06-12 Based on seven frequency range intelligent mobile phone antenna of all-metal frame

Country Status (1)

Country Link
CN (1) CN104009282B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104319477B (en) * 2014-09-18 2018-02-27 联想(北京)有限公司 A kind of antenna and electronic equipment
CN104810601A (en) * 2015-04-17 2015-07-29 苏州工业园区新明亚电子科技有限公司 Full metal frame antenna for handheld mobile terminal
CN105846054B (en) * 2016-01-29 2019-02-22 北京小米移动软件有限公司 Terminal back-cover and mobile terminal
CN106252840A (en) * 2016-09-20 2016-12-21 北京小米移动软件有限公司 Antenna assembly and terminal
CN106486774A (en) * 2016-09-29 2017-03-08 努比亚技术有限公司 Mobile terminal and its communication processing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201514598U (en) * 2009-09-11 2010-06-23 联想(北京)有限公司 Mobile electric equipment
CN202282452U (en) * 2011-10-31 2012-06-20 上海大学 Multiple-frequency slot antenna for mobile phone with closed metal frame

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102956954B (en) * 2011-08-17 2015-08-26 联想(北京)有限公司 Antenna assembly and terminal equipment
CN103296385B (en) * 2013-05-29 2016-05-11 上海安费诺永亿通讯电子有限公司 A kind of adjustable frequency antenna system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201514598U (en) * 2009-09-11 2010-06-23 联想(北京)有限公司 Mobile electric equipment
CN202282452U (en) * 2011-10-31 2012-06-20 上海大学 Multiple-frequency slot antenna for mobile phone with closed metal frame

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Compact multiband planar monopole antennas for smart phone applications;R.C. Hua et al.;《IET Microw.Antennas Propag.,2008》;20081231;第2卷(第5期);全文 *

Also Published As

Publication number Publication date
CN104009282A (en) 2014-08-27

Similar Documents

Publication Publication Date Title
CN103811864B (en) A kind of metal edge frame double-frequency coupling antennae
US20120274536A1 (en) Multiple-input multiple-output antenna
CN102025027A (en) Double-circuit antenna and multi-frequency multi-antenna module
CN105305066A (en) Full metal back shell antenna system
US8405553B2 (en) Compact antenna system with a diversity order of 2
CN102110910B (en) Indoor dual-polarized omnidirectional antenna
CN203883129U (en) Dual-band WIFI antenna based on metal outer shell, and portable device thereof
CN104269609A (en) Slot antenna with resonant type feed structure
CN203850424U (en) Loop antenna system with gaps participating in radiation
CN204045722U (en) A kind of closed loop metal edge frame 3G antenna
TWI495197B (en) Monopole slot antenna of multiple-input and multiple-output with good isolation degree
CN1197200C (en) Double-frequency inverted F-type antenna
US9899728B2 (en) Mobile terminal
CN101986461B (en) Integrated multi-frequency antenna
CN203553348U (en) A multi-frequency antenna applicable to a mobile terminal with a metal decoration frame structure
CN1922757A (en) Internal antenna for handset and design method thereof
TWI504064B (en) Integrated multi - frequency antenna
CN102868017B (en) Radiation device and array antenna based on same
CN104377426B (en) A kind of LTE manifold types metal edge frame antenna for mobile phone
CN203983490U (en) A kind of new ideas Broadband circularly polarized antenna
CN103618138B (en) Miniaturized differential microstrip antenna
CN100379082C (en) Double-wave band inverted F type antenna
CN204424446U (en) The mobile terminal device of antenna modules and the described antenna modules of employing
CN104681977B (en) A kind of multiband closure wireloop antenna and equipment
CN203674380U (en) Mobile terminal metal appearance antenna

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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: 20160323

Termination date: 20170612