CN106505314A - A kind of multifrequency bending 4G cell phone antenna - Google Patents
A kind of multifrequency bending 4G cell phone antenna Download PDFInfo
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- CN106505314A CN106505314A CN201611191012.2A CN201611191012A CN106505314A CN 106505314 A CN106505314 A CN 106505314A CN 201611191012 A CN201611191012 A CN 201611191012A CN 106505314 A CN106505314 A CN 106505314A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Telephone Set Structure (AREA)
Abstract
Multifrequency bending 4G cell phone antenna of the present invention, is related to a kind of antenna, including rectangle double-sided copper-clad FR4 medium substrate and the equivalent ring of metal copper sheet.FR4 medium substrates front etches a plane half-wave equivalent a period of time, plane half-wave equivalent a period of time includes that I, two vertical arm I of a horizontal arm and two equivalent arms, the equivalent ring of metal copper sheet include the vertical arm III of horizontal arm II, two of two vertical arm II, and one section of bending arm in square-wave-shaped.Equivalent for metal copper sheet boxing is connected to the equivalent a period of time corresponding point of plane half-wave, two-part structure is realized machinery, is electrically connected after welding, constitutes the stereochemical structure of three folded cyclizations.Not only overall structure is simple for the present invention, and achieves the multifrequency of antenna for mobile phone, broadband and miniaturization.
Description
Technical field
The present invention relates to a kind of antenna, more particularly to a kind of 4G cell phone antenna.
Background technology
With the fast development of mobile communication technology, mobile phone has become the topmost tool of communications of people, and is endowed
Increasing function.4G（Forth generation mobile communication technology) concept can be described as broadband access and distributed network, with non-right
The data transmission capabilities more than 2Mb/s for claiming, it include that broadband wireless fixes access, wideband wireless local area network, mobile broadband system
System and interactive broadcasting network.Forth generation mobile communication standard has more functions than third generation standard, and forth generation movement is logical
Letter can provide wireless service in different fixations, wireless platform and across in the network of different frequency bands, can with office where
Use broadband access the Internet in side（Including satellite communication and Stratosphere Communication）, using the teaching of the invention it is possible to provide positioning timing, data acquisition, long-range control
The comprehensive functions such as system.Additionally, forth generation mobile communication system is the wide-band mobile communication system of integrated multifunction, it is broadband access
IP systems.The arrival of 4G communications, from traditional functional mobile phone development smart mobile phone up till now, with the fast of mobile radio telecommunications
Speed development, mobile phone widely available, higher and higher requirement is proposed to the design of antenna for mobile phone.Frequency range is single in the past, function is simple
Single, be easily disturbed, large volume the shortcomings of the own warp of antenna for mobile phone cannot meet people ultra-thin to mobile phone, high efficiency, intellectuality, many
The demand of service is planted, small size, multiple frequency broad band, high-effect, Low emissivity is therefore designed and the antenna for mobile phone of 4G communications can be met
It is that current events are become.In the smart mobile phone of more and more thinner, limited interior of mobile phone space to design a meet current high target,
High standard, multi-functional intelligent mobile phone antenna are very big challenges.
Antenna as extremely important ingredient in mobile phone, in order to meet the wireless communication standard of 4G technology, 4G cell phone
Design also towards multifrequency, broadband, planarization direction develop.In order to meet the demand of mobile communication system, size is little,
Antenna for mobile phone more than bandwidth, function and more than frequency range is studied more and more and applies.At present, 4G built-in mobile phones antenna is main
Comprising two classes:Monopole antenna（Monopole）With inverted F shaped antenna（PIFA antennas）.PIFA flat plane antennas are by inverted f wire antenna
Develop, have the advantages that section low, little, mechanical strength affected by environment is good, low cost is quick with Mobile Industry
Development, the ultra thin handset of multifunctional high-performance has been the market mainstream.
Realize that 4G frequency range antenna for mobile phone multifrequencies, the method for miniaturization have many, such as change electric current using paster meander technology
Path, so that reach the purpose of antenna miniaturization；Crack loading technique, i.e., crack on metal patch or groove, using cracking or
Groove (such as L-type, U-shaped, c-type), changes the CURRENT DISTRIBUTION of the original resonance mode of metal patch, obtains the characteristic of antenna double frequency；Attached
Plus match circuit technology, LC resonance circuits are introduced, antenna can form extra resonance in frequency range, the resonance with antenna itself
Combine, so as to widening frequency band.
Table one is the mobile communication commercialization frequency range of current 4G mobile communication commercialization frequency range below
Table one：
Existing 4G cell phone antenna preferably can not cover above-mentioned frequency range simultaneously.
Content of the invention
It is an object of the invention to provide a kind of multifrequency bending 4G cell phone antenna, can effectively expand bandwidth, the echo of antenna
Loss is little, can realize 4G cell phone in global system for mobile communications (GSM850/900), digital communication system simultaneously using the antenna
（DCS1800）, PCS Personal Communications System PCS1900, mobile telecommunication system（UMT2100）With WLAN (WLAN2400)
And part WiMAX（WIFI2400）Work in system, in both greater than 1 dBi of each band gain, antenna pattern is in water
Assume good omni-directional in plane.
The technical scheme that adopts for achieving the above object of the present invention is：A kind of multifrequency bending 4G cell phone antenna, including rectangle
Double-sided copper-clad FR4 medium substrate and the equivalent ring of metal copper sheet, FR4 medium substrates front etches the equivalent battle array of a plane half-wave
Son, plane half-wave equivalent a period of time include that I, two vertical arm I of a horizontal arm and two equivalent arms, horizontal arm I are arranged on FR4 Jie
One end margin of matter substrate front side, two vertical arm I are mutually perpendicular to horizontal arm I respectively, and respectively by I two ends of horizontal arm along FR4
Medium substrate edge extends to be formed, and two equivalent arms inwardly extend vertically shape by two vertical arm I away from I one end of horizontal arm respectively
Into, two equivalent arms in hierarchic structure, and two equivalent arms on the inside of between be provided with gap, the double-sided copper-clad FR4 medium substrate back side,
Region between the projection and its projection of two vertical arm I in the FR4 medium substrates back side is covered without metal copper face, FR4 medium bases
Back remainder covers metal copper face as the floor of antenna, and two equivalent arm inside end difference vias are connected with floor
Connect；The equivalent ring of metal copper sheet includes the vertical arm III of horizontal arm II, two of two vertical arm II, and one section of folding in square-wave-shaped
Curved boom, two vertical arm II are respectively perpendicular the two ends end of the horizontal arm I for being connected to plane half-wave equivalent a period of time, and horizontal arm II hangs down
Direct-connected be connected between two II upper ends of vertical arm, the rear end of two vertical arm III respectively with two II upper ends of vertical arm or horizontal arm
II two ends end is vertical to be connected, and two vertical arm III are located at the top of two vertical arm I respectively, bending arm two ends respectively with two
The front end connection of vertical arm III.
The present invention further technical scheme be：Two vertical arm III are located at the surface of two vertical arm I, and two respectively
Bar vertical arm III is parallel to each other with two vertical arm I respectively.
The present invention further technical scheme be：Two equivalent arms are the thick hierarchic structure in the thin inner side in outside respectively, and two
The equivalent arm inside end of bar forms the protruded arm that is parallel to each other to away from I side of horizontal arm is prominent respectively, and protruded arm end is distinguished
Connecting hole is provided with, two equivalent arms are connected with floor by connecting hole respectively, feed end of the protruded arm as antenna.
The present invention further technical scheme be：The bending arm of the square-wave-shaped is with horizontal arm II in same level.
Multifrequency bending 4G cell phone antenna of the present invention has the advantages that：(1) overall structure is simple；（2）Using two-fold
Curved stereochemical structure, it is achieved that the multifrequency of antenna for mobile phone, broadband and miniaturization.
With reference to the accompanying drawings and examples multifrequency bending 4G cell phone antenna of the present invention is further described.
Description of the drawings
Fig. 1 is the structural representation before the equivalent ring of the not connected metal copper sheet of multifrequency bending 4G cell phone antenna of the present invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the structural representation that the metal copper sheet of multifrequency bending 4G cell phone antenna of the present invention converts into ring；
Fig. 4 is the structural representation of multifrequency bending 4G cell phone antenna of the present invention；
Fig. 5 is the expanded view of multifrequency bending 4G cell phone antenna of the present invention；
Fig. 6 is return loss S of multifrequency bending 4G cell phone antenna of the present invention11Test result figure；
Fig. 7 isf=900 MHz multifrequency bending 4G cell phone antenna radiation pattern simulation result figures of the present invention；
Fig. 8 isf=1800 MHz multifrequency bending 4G cell phone antenna radiation pattern simulation result figures of the present invention；
Fig. 9 isf=2450 MHz multifrequency bending 4G cell phone antenna radiation pattern simulation result figures of the present invention；
Drawing reference numeral explanation：1- horizontal arms I, 2- vertical arm I, 3- convert into arm, 4- floors, 5-FR4 medium substrates, 6- plane half-waves
Equivalent a period of time, 7- vertical arm II, 8- horizontal arms II, 9- vertical arm III, 10- bending arms.
Specific embodiment
As shown in Figures 1 to 5, multifrequency bending 4G cell phone antenna of the present invention, including rectangle double-sided copper-clad FR4 medium substrate 5
With the equivalent ring of metal copper sheet.The thickness of FR4 medium substrates 5 is 0.5 millimeter, relative dielectric constant ε r=4.4, loss angle tangent
tanơ = 0.02.5 front of FR4 medium substrates etches a plane half-wave equivalent a period of time 6, and plane half-wave equivalent a period of time 6 wraps
I 1, two vertical arm I 2 of a horizontal arm and two equivalent arms 3 are included, horizontal arm I 1 is arranged on 5 front end side of FR4 medium substrates
Edge, two vertical arm I 2 are mutually perpendicular to horizontal arm I 1 respectively, and respectively by I 1 two ends of horizontal arm along 5 edge of FR4 medium substrates
Extend and formed, two equivalent arms 3 are inwardly extended vertically away from I 1 one end of horizontal arm by two vertical arm I 2 respectively and formed, two foldings
Arm 3 is closed in gap being provided between on the inside of hierarchic structure, and two equivalent arms 3, and 5 back side of double-sided copper-clad FR4 medium substrate, in FR4
Region between the projection and its projection of 5 two vertical arm I 2 in the back side of medium substrate is covered without metal copper face, FR4 medium substrates 5
Back side remainder covers metal copper face as the floor 4 of antenna, and two 3 inside ends of equivalent arm are distinguished via and connected with floor 4
Connect.Two equivalent arm 3 is the thick hierarchic structure in the thin inner side in outside respectively, and two 3 inside ends of equivalent arm are respectively to away from water
I 1 side of flat arm projects to form the protruded arm being parallel to each other, and protruded arm end is respectively equipped with connecting hole, and two equivalent arms 3 lead to respectively
Cross connecting hole to be connected with floor 4, feed end of the protruded arm as antenna（Fig. 4, two end points of A, F in 5）.
The equivalent ring of metal copper sheet includes the vertical arm III 9 of horizontal arm II 8, two of two vertical arm II 7, and one section in side
Wavy bending arm 10, two vertical arm II 7 are respectively perpendicular the two ends end of the horizontal arm I 1 for being connected to plane half-wave equivalent a period of time 6
Portion, horizontal arm II 8 are vertically connected between two II 7 upper ends of vertical arm, and the rear end of two vertical arm III 9 is respectively with two vertically
The vertical connection in II 7 upper end of arm or II 8 two ends of horizontal arm end, and two vertical arm III 9 are respectively positioned at the top of two vertical arm I 2,
10 two ends of bending arm are connected with the front end of two vertical arm III 9 respectively.Two vertical arm III 9 is located at two vertical arm I 2 respectively
Surface, and two vertical arm III 9 are parallel to each other with two vertical arm I 2 respectively.Bending arm 10 and the horizontal arm II 8 of square-wave-shaped
In same level.Wherein the equivalent ring of metal copper sheet is to take width and thickness difference 1.5 millimeters, 0.2 millimeter of metallic copper
Piece, punching press bending are formed.In production, the equivalent ring of metal copper sheet can be separately produced, then equivalent for metal copper sheet boxing is connect
Plane half-wave in 5 front of FR4 medium substrates was converted on a period of time 6, antenna combination：Two ends of C, D by equivalent for metal copper sheet ring
Spot welding is connected to equivalent 6 corresponding point of a period of time of plane half-wave, and after welding, CGHD planes and RF4 planes are into 90 angles of cut, two-part structure reality
Show machinery, be electrically connected, constitute the stereochemical structure of three folded cyclization (such as the dotted line rings of P indications in Fig. 4,5), plane half-wave converts into
A period of time 6 and the equivalent ring of metal copper sheet constitute the radiant body of antenna.
One group of geometric parameter of multifrequency bending 4G cell phone antenna successful design of the present invention is as shown in table 2.
Table 2：Multifrequency bending 4G cell phone one group of geometric parameter of antenna（Dimensional parameters unit is：Millimeter）.
Table 2 is illustrated：Table 2 be for thickness be h=0.5 millimeter, relative dielectric constant ε r=4.4, loss angle tangent
One group of antenna size data that the FR4 medium substrates 5 of tan=0.02 draw.For other thickness or different physical
5 material of FR4 medium substrates, change, adjustment data above, it is also possible to design corresponding multiband antenna for mobile phone.
Accompanying drawing 6 is the measurement result of multifrequency bending 4G cell phone antenna input return loss of the present invention, testing tool：An Jie
Human relations Network Analyzer, model：Agilent 8753ES.Test shows, the multifrequency bending 4G cell phone antenna of present invention design,
0.788-1.102 GHz and the frequency range of 1.770-2.497 GHz, its return loss are less than-6dB.The two frequencies
Section covers 6 working frequency range of 4G wireless mobile communications, including：Global system for mobile communications (GSM850/900), numeral are logical
Letter system（DCS1800）, PCS Personal Communications System PCS1900, mobile telecommunication system（UMT2100）And WLAN
And part WiMAX (WLAN2400)（WIFI2400）Work in system.
Fig. 7 to Fig. 9 is multifrequency bending 4G cell phone antenna of the present invention in tri- frequencies of 900,1800MHz and 2450 MHz respectively
Directional diagram on rate point, it is clear that both greater than 1 dBi of the antenna in each band gain, antenna pattern are presented in the horizontal plane
Good omni-directional.Additionally, simulation result also shows, the antenna 800 MHz, 900 MHz, 950 MHz, 1900 MHz,
2100 MHz also have similar directional diagram performance.
Table 3 below be inventive antenna mobile phone 800 MHz, 850,900 MHz, 950 MHz, 1800MHz, 1900 MHz,
During 2100 MHz and 2450 MHz, the amount of gain result of antenna for mobile phone, in the frequency range for requiring, yield value is 1 for antenna
Change between dBi to 3dBi, meet requirement of the mobile terminal to antenna gain.
Table 3：Antenna gain measurement result.
Make multifrequency bending 4G cell phone antenna of the present invention when, by 2 dimensional parameters of table 5 front of FR4 medium substrates metal
The pattern in the equivalent a period of time of plane half-wave shown in Fig. 1 is etched on face, distinguishes 1.5 millimeters, 0.2 millimeter from width and thickness
Metal copper sheet, punching press are simultaneously bent into the equivalent ring of the metal copper sheet shown in Fig. 3.Again by two end points of C, D of equivalent for metal copper sheet ring
Equivalent 6 corresponding point of a period of time of plane half-wave are welded to, CGHD planes and the RF4 planes angle of cut in 90 °, two-part structure reality after welding
Show machinery, be electrically connected, constitute the stereochemical structure of three folded cyclizations, that is, complete antenna making.During concrete application, can be by system electricity
Road plate is integrated on FR4 medium substrates 5, and the floor 4 of multifrequency bending 4G cell phone antenna is connected with the ground of system, and system RF is exported
It is connected to distributing point A, F of multifrequency bending 4G cell phone antenna.
Above example is only presently preferred embodiments of the present invention, and the structure of the present invention is not limited to what above-described embodiment was enumerated
Form, all any modifications that is made within the spirit and principles in the present invention, equivalent etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (4)
1. a kind of multifrequency bending 4G cell phone antenna, it is characterised in that including rectangle double-sided copper-clad FR4 medium substrate (5) and metal
Copper sheet converts into ring, and FR4 medium substrates (5) front etches a plane half-wave equivalent a period of time (6), and plane half-wave converts into a period of time
(6) include a horizontal arm I（1）, two vertical arm I（2）And two equivalent arm (3), horizontal arm I（1）It is arranged on FR4 medium bases
Plate (5) front end edge, two vertical arm I（2）Respectively with horizontal arm I（1）It is mutually perpendicular to, and respectively by horizontal arm I（1）Two
End extends to be formed along FR4 medium substrates (5) edge, and two equivalent arm (3) are respectively by two vertical arm I（2）Away from horizontal arm I
（1）One end inwardly extends vertically to be formed, and two equivalent arm (3) are in being provided with seam between on the inside of hierarchic structure, and two equivalent arm (3)
Gap, double-sided copper-clad FR4 medium substrate (5) back side, in two, FR4 medium substrates (5) back side vertical arm I（2）Projection and its throwing
Region between shadow is covered without metal copper face, and FR4 medium substrates (5) back side remainder covers metal copper face as the ground of antenna
Plate (4), two equivalent arm (3) inside end difference vias are connected with floor (4)；The equivalent ring of metal copper sheet includes two vertical arm
Ⅱ(7）, a horizontal arm II (8）, two vertical arm III（9）With one section of bending arm in square-wave-shaped（10）, two vertical arm II
(7）It is respectively perpendicular the horizontal arm I for being connected to plane half-wave equivalent a period of time (6)（1）Two ends end, horizontal arm II (8）Vertically connect
It is connected on two vertical arm II (7）Between upper end, two vertical arm III（9）Rear end respectively with two vertical arm II (7）Upper end or
Horizontal arm II (8）Two ends end is vertical to be connected, and two vertical arm III（9）Two vertical arm I are located at respectively（2）Top, bending
Arm（10）Two ends respectively with two vertical arm III（9）Front end connection.
2. multifrequency bending 4G cell phone antenna as claimed in claim 1, it is characterised in that two vertical arm III（9）It is located at respectively
Two vertical arm I（2）Surface, and two vertical arm III（9）Respectively with two vertical arm I（2）It is parallel to each other.
3. multifrequency bending 4G cell phone antenna as claimed in claim 1, it is characterised in that two equivalent arm (3) are outside respectively
The thick hierarchic structure in thin inner side, and two equivalent arm (3) inside ends are respectively to away from horizontal arm I（1）Side projects to form phase
Mutual parallel protruded arm, protruded arm end are respectively equipped with connecting hole, and two equivalent arm (3) are respectively by connecting hole and floor (4)
Connection, feed end of the protruded arm as antenna.
4. multifrequency bending 4G cell phone antenna as claimed in claim 1, it is characterised in that the bending arm of the square-wave-shaped（10）With
Horizontal arm II (8）In same level.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191012.2A CN106505314B (en) | 2016-12-21 | 2016-12-21 | Multifrequency 4G cell-phone antenna of bending |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191012.2A CN106505314B (en) | 2016-12-21 | 2016-12-21 | Multifrequency 4G cell-phone antenna of bending |
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| CN106505314A true CN106505314A (en) | 2017-03-15 |
| CN106505314B CN106505314B (en) | 2023-06-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019227944A1 (en) * | 2018-05-31 | 2019-12-05 | 中兴通讯股份有限公司 | Antenna device and terminal |
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