CN108682958A - A kind of antenna for mobile phone of narrow frame - Google Patents

A kind of antenna for mobile phone of narrow frame Download PDF

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Publication number
CN108682958A
CN108682958A CN201810485255.XA CN201810485255A CN108682958A CN 108682958 A CN108682958 A CN 108682958A CN 201810485255 A CN201810485255 A CN 201810485255A CN 108682958 A CN108682958 A CN 108682958A
Authority
CN
China
Prior art keywords
metal
antenna
rectangular metal
mobile phone
plate
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201810485255.XA
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Chinese (zh)
Inventor
周浩淼
宋亿涛
王灿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Jiliang University
Original Assignee
China Jiliang University
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 China Jiliang University filed Critical China Jiliang University
Priority to CN201810485255.XA priority Critical patent/CN108682958A/en
Publication of CN108682958A publication Critical patent/CN108682958A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/48Earthing means; Earth screens; Counterpoises
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/50Feeding or matching arrangements for broad-band or multi-band operation

Abstract

The invention discloses a kind of antenna for mobile phone of narrow frame, metal ground plate including substrate, on base lower surface and parasitic ground structure, upright rectangular metal structures on substrate edges, antenna rectangle clearance zone corresponding with frame on upper surface of base plate runs through the feed port of upper surface of base plate and lower surface.The present invention has and can not only cover 7 common communications bands, and can cover LTE700 frequency ranges, simple in structure, compact, easy to process feature.

Description

A kind of antenna for mobile phone of narrow frame
Technical field
The present invention relates to antenna technical fields, more particularly, to a kind of eight frequency ranges that can be covered including LTE700 The antenna for mobile phone of narrow frame.
Background technology
With the fast development of wireless communication technique, higher requirements are also raised for performance and appearance of the people to mobile phone. In order to meet the needs of users, cell phone manufacturer is also proposed a series of large-screen mobile phones.For regular handset, large-screen mobile phone tool There is the characteristics of narrow frame, high screen accounting, better visual effect may be implemented, therefore can more attract the eyeball of user.
However, the release of large-screen mobile phone means that antenna for mobile phone will be designed in narrower space to cover The 2G/3G/4G frequency ranges needed, more stringent requirements are proposed for this design to antenna for mobile phone.
At this stage, common communications band mainly have GSM800, GSM900, DCS1800, PCS1900, UMTS2100, The frequency ranges such as LTE2300, LTE2500 and LTE700.Wherein, LTE700 frequency ranges are always the high-quality frequency that operator is dreamed of Section, but realize that the covering of LTE700 frequency ranges is not easy to.
Currently, in order to realize the Miniaturized multiband problem of single antenna, there are many technologies to be suggested, including coupling Close feeding technique, load autoeciously technology and match circuit technology etc..
Invention content
The goal of the invention of the present invention is to overcome the shortcomings of that it is capped that LTE700 frequency ranges in the prior art are not easy, carry A kind of antenna for mobile phone for the narrow frame that can cover eight frequency ranges including LTE700 is supplied.
To achieve the goals above, the present invention uses following technical scheme:
A kind of antenna for mobile phone of narrow frame, including substrate, the metal ground plate on base lower surface and autoeciously tie Structure, the upright rectangular metal structures being set on substrate edges, the antenna rectangle corresponding with frame being set on upper surface of base plate are net The feed port of upper surface of base plate and lower surface is run through in dead zone;Feed strip and feed strap are equipped in antenna rectangle clearance zone, Upright rectangular metal structures couple band connection with feed, feed port respectively with metal ground plate and feed band connection, metal connects (1: 18) that the ratio between the area on floor and substrate area are to (1: 22), metal ground plate and autoeciously spacing structure is set to base On plate lower surface, the width of antenna rectangle clearance zone is 6mm to 10mm.
Upright rectangular metal structures are connected to the edge of upper surface of base plate feed strap, can improve antenna high band and The bandwidth of operation of low-frequency range.Parasitic ground structure is printed on the lower surface of substrate, can widen the bandwidth of operation of high band, success Realize the covering of 2G/3G/4G working bands, can not only cover 7 common communications band GSM800, GSM900, DCS1800, PCS190, UMTS2100, LTE2300, LTE2500, and the high-quality frequency range that operator is dreamed of can also be covered LTE700 frequency ranges.
While covering multiple frequency ranges, the width of antenna rectangle clearance zone corresponds to the width of frame, antenna of the invention Only occupy the frame size of 6mm to 10mm, antenna structure is closely, and easy to process, has good application prospect.
Preferably, the feed strip includes L-shaped sheet metal, with L-shaped sheet metal lower edge the first rectangle connected vertically Sheet metal and the elongated metal piece being connect with the first rectangular metal sheet.
Preferably, the feed port is rectangular metal sheet.
Preferably, the feed strap includes the second rectangular metal sheet through upper surface of base plate and lower surface, lie L-shaped sheet metal, it is left with rectangle sheet metal with the L-shaped sheet metal lower edge rectangle sheet metal connected vertically lied down The S-shaped sheet metal of edge connection;S-shaped sheet metal couples band connection with feed, and the L-shaped sheet metal lied down includes the gold being laterally extended Belong to piece and with metal strip lower edge vertically extending sheet metal connected vertically.
Preferably, the parasitism ground structure includes the bullion piece on the top edge of base lower surface, with item Second L-shaped sheet metal of the lower-left edge connection of shape sheet metal, connect and vertically extending with bullion piece lower edge right part Third rectangular metal sheet and the 4th rectangular metal sheet, the 5th rectangular metal sheet being connect with bullion piece bottom right edge.
Preferably, the upright rectangular metal structures include first for being located on parasitic ground structure and stretching out except substrate Rectangular metal plate and the second rectangular metal plate being connect with the edge of the first rectangular metal plate side;First vertical rectangular metal plate It is connect with the edge of feed strap with the second vertical rectangular metal plate.
Preferably, the first rectangular metal plate is rectangle, the width of the first rectangular metal plate is 5mm.
Preferably, the thickness of substrate is 0.8mm.
Therefore, the present invention has the advantages that:7 common communications bands can be not only covered, and fortune can be covered The high-quality frequency range LTE700 frequency ranges that battalion quotient dreams of;Frame size is small, and substrate thickness is thin, and antenna structure simple and compact is easy to Processing has good application prospect.
Description of the drawings
Fig. 1 is a kind of stereogram of the present invention;
Fig. 2 is a kind of front elevation of the present invention;
Fig. 3 is a kind of back view of the present invention;
Fig. 4 is a kind of side view of the present invention;
Fig. 5 is a kind of S11 parameters of the present invention.
In figure:Substrate 1, metal ground plate 2, parasitic ground structure 6, upright rectangular metal structures 7, feed strip 3, feed coupling Band 5, L-shaped sheet metal 31, the first rectangular metal sheet 32, elongated metal piece 33, the second rectangular metal sheet 51, is lain at feed port 4 L-shaped sheet metal 52, rectangle sheet metal 53, S-shaped sheet metal 54, sheet metal 521, sheet metal 522, bullion piece 61, Second L-shaped sheet metal 62, the first rectangular metal plate 71, the second rectangular metal plate 72.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment as shown in Figure 1 and Figure 2 is a kind of antenna for mobile phone for the narrow frame that can cover eight frequency ranges, including substrate 1 (size 115mm*60mm*0.8mm, material are epoxy glass cloth laminated board), the metal ground plate 2 on base lower surface With parasitic ground structure 6, the upright rectangular metal structures 7 being set on substrate edges are set to corresponding with frame on upper surface of base plate Antenna rectangle clearance zone, feed strip 3 and feed strap 5 are equipped in antenna rectangle clearance zone, through upper surface of base plate and under The feed port 4 (1.5mm*0.8mm) on surface;Upright rectangular metal structures couple band connection with feeding, feed port respectively with Metal ground plate and feed band connection.As shown in figure 3, the ratio between the area of metal ground plate and substrate area be 1: 20, metal Earth plate and autoeciously spacing structure is set on base lower surface.
The width of antenna rectangle clearance zone corresponds to the width of frame, and antenna of the invention only occupies the frame size of 7mm, day Cable architecture is closely, and easy to process, has good application prospect.
As shown in Figure 1 and Figure 2, feed strip includes L-shaped sheet metal 31, with L-shaped sheet metal lower edge the first square connected vertically Shape sheet metal 32 and the elongated metal piece 33 being connect with the first rectangular metal sheet.
Feed port is rectangular metal sheet.Feed strap includes the second rectangle gold through upper surface of base plate and lower surface Belong to piece 51, the L-shaped sheet metal 52 lied down, and the L-shaped sheet metal lower edge rectangle sheet metal 53 connected vertically lied down, with length The S-shaped sheet metal 54 of square metal piece left hand edge connection;S-shaped sheet metal couples band connection with feed, the L-shaped sheet metal packet lied down Include the sheet metal 521 being laterally extended and with metal strip lower edge vertically extending sheet metal 522 connected vertically.
As shown in figure 3, parasitic ground structure includes the bullion piece 61 on the top edge of base lower surface, with bar shaped Second L-shaped sheet metal 62 of the lower-left edge connection of sheet metal, connect and vertically extending with bullion piece lower edge right part Third rectangular metal sheet 63 and the 4th rectangular metal sheet 64, the 5th rectangular metal sheet being connect with bullion piece bottom right edge 65。
As shown in Figure 1, Figure 2, Figure 4 shows, upright rectangular metal structures include being located on parasitic ground structure and stretching out except substrate The first rectangular metal plate 71 and the second rectangular metal plate 72 for being connect with the edge of the first rectangular metal plate side;First is vertical Rectangular metal plate and the second vertical rectangular metal plate are connect with the edge of feed strap.First rectangular metal plate is in rectangular The width of shape, the first rectangular metal plate is 7mm, and the width of the first rectangular metal plate is the size of frame.
As shown in figure 5, the covering requirement of communications band is S11<- 6dB, according to this standard, covering frequency range of the invention is 670MHz-960MHz, 1700MHz-2810MHz.
Therefore, present invention covers seven communications band GSM850,900, DCS1800, PCS190, UMTS2100, The high-quality frequency range LTE700 frequency ranges that LTE2300,2500 and operator are dreamed of.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that, After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc. Valence form is also fallen within the scope of the appended claims of the present application.

Claims (8)

1. a kind of antenna for mobile phone of narrow frame, characterized in that including substrate (1), the metal ground plate on base lower surface (2) and parasitic ground structure (6), the upright rectangular metal structures (7) being set on substrate edges are set on upper surface of base plate and side The corresponding antenna rectangle clearance zone of frame runs through the feed port (4) of upper surface of base plate and lower surface;It is set in antenna rectangle clearance zone Have a feed strip (3) and feed strap (5), upright rectangular metal structures couple band connection with feeding, feed port respectively with gold Belong to earth plate and feed band connection, to (1: 22), metal connects for (1: 18) that the ratio between the area of metal ground plate and substrate area are The width on floor and autoeciously spacing structure is set on base lower surface, antenna rectangle clearance zone is 6mm to 10mm.
2. the antenna for mobile phone of narrow frame according to claim 1, characterized in that the feed strip includes L-shaped sheet metal (31), with the L-shaped sheet metal lower edge length connected vertically the first rectangular metal sheet (32) and connect with the first rectangular metal sheet Bullion piece (33).
3. the antenna for mobile phone of narrow frame according to claim 1, characterized in that the feed port is rectangular metal sheet.
4. the antenna for mobile phone of narrow frame according to claim 1, characterized in that the feed strap includes running through substrate The second rectangular metal sheet (51) of upper and lower surface, the L-shaped sheet metal (52) lied down are following with the L-shaped sheet metal lied down Edge rectangle sheet metal (53) connected vertically, the S-shaped sheet metal (54) being connect with rectangle sheet metal left hand edge;S-shaped metal Piece couples band connection with feed, the L-shaped sheet metal lied down include the sheet metal (521) being laterally extended and with the metal that is laterally extended The vertically extending sheet metal (522) of under piece edge-perpendicular connection.
5. the antenna for mobile phone of narrow frame according to claim 1, characterized in that the parasitism ground structure includes being located at substrate Bullion piece (61) on the top edge of lower surface, the second L-shaped sheet metal being connect with the lower-left edge of bullion piece (62), it connect with bullion piece lower edge right part and vertically extending third rectangular metal sheet (63) and the 4th rectangular metal sheet (64), the 5th rectangular metal sheet (65) being connect with bullion piece bottom right edge.
6. the antenna for mobile phone of the narrow frame according to claims 1 or 2 or 3 or 4 or 5, characterized in that the upright rectangle gold Belong to structure include be located on parasitic ground structure and stretch out the first rectangular metal plate (71) except substrate and with the first rectangular metal The second rectangular metal plate (72) of the edge connection of plate side;First vertical rectangular metal plate and the second vertical rectangular metal plate are equal It is connect with the edge of feed strap.
7. the antenna for mobile phone of narrow frame according to claim 6, characterized in that the first rectangular metal plate is rectangle, the The width of one rectangular metal plate is 6mm to 10mm.
8. the antenna for mobile phone of the narrow frame according to claims 1 or 2 or 3 or 4 or 5, characterized in that the thickness of substrate is 0.6mm to 1mm.
CN201810485255.XA 2018-05-18 2018-05-18 A kind of antenna for mobile phone of narrow frame Pending CN108682958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810485255.XA CN108682958A (en) 2018-05-18 2018-05-18 A kind of antenna for mobile phone of narrow frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810485255.XA CN108682958A (en) 2018-05-18 2018-05-18 A kind of antenna for mobile phone of narrow frame

Publications (1)

Publication Number Publication Date
CN108682958A true CN108682958A (en) 2018-10-19

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Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110649371A (en) * 2019-09-27 2020-01-03 西南交通大学 Antenna and mobile terminal equipment thereof
GB2579119A (en) * 2018-08-28 2020-06-10 Novocomms Ltd Compact LTE Antenna With WiFi Support

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090184874A1 (en) * 2008-01-19 2009-07-23 Yun-Wen Chi Multi-band antenna
CN103401061A (en) * 2013-08-08 2013-11-20 电子科技大学 Six frequency band smart phone MIMO (Multiple Input Multiple Output) antenna
CN104022343A (en) * 2014-06-23 2014-09-03 北京邮电大学 Multi-band antenna
CN104134857A (en) * 2014-08-01 2014-11-05 清华大学 Eight-frequency-band plane printing mobile phone antenna
CN105789901A (en) * 2016-03-07 2016-07-20 清华大学 Multi-band antenna free of lumped parameter element for high-screen ratio mobile terminal
CN207052746U (en) * 2017-05-20 2018-02-27 中国计量大学 A kind of frequency range WWAN/LTE antenna for mobile phone of small size eight for taking into account navigation frequency range

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090184874A1 (en) * 2008-01-19 2009-07-23 Yun-Wen Chi Multi-band antenna
CN103401061A (en) * 2013-08-08 2013-11-20 电子科技大学 Six frequency band smart phone MIMO (Multiple Input Multiple Output) antenna
CN104022343A (en) * 2014-06-23 2014-09-03 北京邮电大学 Multi-band antenna
CN104134857A (en) * 2014-08-01 2014-11-05 清华大学 Eight-frequency-band plane printing mobile phone antenna
CN105789901A (en) * 2016-03-07 2016-07-20 清华大学 Multi-band antenna free of lumped parameter element for high-screen ratio mobile terminal
CN207052746U (en) * 2017-05-20 2018-02-27 中国计量大学 A kind of frequency range WWAN/LTE antenna for mobile phone of small size eight for taking into account navigation frequency range

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
WONG ET AL.: "Small-Size Hybrid Loop/Open-Slot Antenna for the LTE Smartphone", 《 IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 *
YOUNGTAEK HONG, JINPIL TAK, YUNNAN JIN, AND JAEHOON CHOI,: "A Compact Planar Multi-band Antenna with Coupling Feed for LTE/GSM/UMTS Operations", 《2014 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION CONFERENCE PROCEEDINGS》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2579119A (en) * 2018-08-28 2020-06-10 Novocomms Ltd Compact LTE Antenna With WiFi Support
CN110649371A (en) * 2019-09-27 2020-01-03 西南交通大学 Antenna and mobile terminal equipment thereof

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Application publication date: 20181019