CN109980342A - A kind of metal edge frame antenna for mobile phone - Google Patents
A kind of metal edge frame antenna for mobile phone Download PDFInfo
- Publication number
- CN109980342A CN109980342A CN201910167552.4A CN201910167552A CN109980342A CN 109980342 A CN109980342 A CN 109980342A CN 201910167552 A CN201910167552 A CN 201910167552A CN 109980342 A CN109980342 A CN 109980342A
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- China
- Prior art keywords
- microstrip line
- rectangular metal
- metal frame
- frame
- antenna
- Prior art date
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- 239000002184 metal Substances 0.000 title claims abstract description 98
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 98
- 239000000758 substrate Substances 0.000 claims abstract description 20
- -1 antenna radiator Substances 0.000 claims abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 238000010295 mobile communication Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000005404 monopole Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of metal edge frame antenna for mobile phone, including rectangular metal frame, medium substrate, antenna radiator, metal ground plate and coaxial feeder, antenna radiator is arranged in the upper surface of the medium substrate, and metal ground plate is arranged in the lower surface of medium substrate；The antenna radiator includes vertical microstrip line and horizontal microstrip line, and the vertical microstrip line is connect with one end of one end of horizontal microstrip line and rectangular metal frame, and the other end of the horizontal microstrip line is connect with the side of rectangular metal frame；The metal ground plate is connect with rectangular metal frame；The side and one end of the rectangular metal frame are respectively provided with gap, and the side is left or right side, and described one end is upper end or lower end.The present invention has the characteristics that no empty regions, simple with roomy and structure.
Description
Technical field
The present invention relates to mobile communication fields, and in particular to a kind of metal edge frame antenna for mobile phone.
Background technique
In the late three decades, mobile communication is grown rapidly, and experienced technological innovation from one generation to the next.Mobile phone is as internet
Entrance, great change also is occurring.From the mobile telephone of the first third-generation mobile communication, to the digital hand of Generation Mobile Telecommunication System
Machine to the mobile multimedia handset of 3G (Third Generation) Moblie, then arrives the multifunction intelligent mobile telephone of forth generation mobile communication system again
To the following 5G high-speed multi-functional mobile phone, antenna for mobile phone gradually develops towards directions such as miniaturization, multifrequency, all-metal frames.
Just there is 2G, 3G, LTE (4G) system in China at this stage, 2G system uses 1710-1850MHz, and 3G system uses frequency
Section 1880-2170MHz, LTE (4G) system use 2300-2690MHz, and Chinese wireless communication system has covered 1710- at present
2690MHz frequency range.It is used simultaneously on November 15th, 2017, industry and information portion publication about the 5th Generation Mobile Communication System
The notice of 3300MHz-3600MHz and 4800MHz-5000MHz frequency range dependencies, 5G epoch, hand will be entered by representing China
Machine will necessarily lead the trend in 5G epoch as the representative of mobile communication.So more frequencies so how is designed in a limited space
Band becomes a difficult point.
Mobile phone with metallized metal frame is that the design of antenna for mobile phone brings higher difficulty.In face of smaller and smaller
Mobile phone space, the boundary condition to become increasingly complex, small-sized, broadband Antenna Design already become a kind of challenge.
Summary of the invention
In order to overcome shortcoming and deficiency of the existing technology, the present invention provides a kind of metal edge frame antenna for mobile phone, is applicable in
2G/3G/LTE (4G)/5G mobile communication system, the metal edge frame antenna for mobile phone are a kind of no empty regions, with roomy, structure is simple
Single and the antenna with metal edge frame, the antenna can cover 1660-3694MHz and 4673-5200MHz frequency range.
The present invention adopts the following technical scheme:
A kind of metal edge frame antenna for mobile phone, including rectangular metal frame, medium substrate, antenna radiator, metal ground plate
And antenna radiator is arranged in coaxial feeder, the upper surface of the medium substrate, metal ground plate is arranged in the lower surface of medium substrate；
The antenna radiator includes vertical microstrip line and horizontal microstrip line, the vertical microstrip line and horizontal microstrip line
One end and the connection of one end of rectangular metal frame, the other end of the horizontal microstrip line are connect with the side of rectangular metal frame；
The metal ground plate is connect with rectangular metal frame, and the rectangular metal frame is looped around the week of medium substrate
It encloses；
The side and one end of the rectangular metal frame are respectively provided with gap, the side of the rectangular metal frame be left side or
Right side, one end of the rectangular metal frame are upper end or lower end.
The horizontal microstrip line is middle section to recessed horizontal microstrip line, specifically includes successively connected vertically first
Microstrip line, the second microstrip line, third microstrip line, the 4th microstrip line and the 5th microstrip line, first microstrip line and vertical micro-strip
Line vertically connects, and the 5th microstrip line is connect with the side for the rectangular metal frame that band cracks.
The connection side of crack side and horizontal microstrip line and the rectangular metal frame of rectangular metal frame of the present invention is not
With.
The rectangular metal frame and medium substrate interval 2mm.
The left side and upper end of the rectangular metal frame are respectively provided with gap, specifically: the upper end of rectangular metal frame is provided with
One gap is provided with a gap on the left of rectangular metal frame.
Left side, right side and the lower end of the metal ground plate are connect with rectangular metal frame.
The rectangular metal frame uses the copper sheet of 138.6mm*68.6mm*5mm, and rectangular metal frame upper end is provided with gap
Length is 5mm, and it is 2mm that left side, which is provided with gap length,.
Beneficial effects of the present invention:
(1) 1660-3694MHz and 4673-5200MHz frequency range is completely covered in bandwidth of the present invention, is applicable in 2G/3G/LTE
(4G)/5G cell phone system；
(2) present invention has metal edge frame, there is good visual effect and sense of touch；
(3) bandwidth covering frequency range of the present invention is big, and spread spectrum effect is good；
(4) present invention saves space without empty regions；
(5) radiating element body of the present invention is simple, and production is simple, save the cost, and directional diagram is stablized, high gain.
Detailed description of the invention
Fig. 1 is the perspective view of metal edge frame antenna for mobile phone of the invention；
Fig. 2 is the top view of metal edge frame antenna for mobile phone of the invention；
Fig. 3 is the side view of metal edge frame antenna for mobile phone of the invention；
Fig. 4 is the structural schematic diagram of the embodiment of metal edge frame antenna for mobile phone of the invention；
Fig. 5 is the S11 figure of metal edge frame antenna for mobile phone of the invention；
Fig. 6 is the peak gain figure of metal edge frame antenna for mobile phone of the invention.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.
Embodiment
As shown in Figure 1, a kind of metal edge frame antenna for mobile phone, including rectangular metal frame 1, medium substrate 2, antenna radiator
3, metal ground plate 4 and coaxial feeder 5, entire antenna size be 138.6mm*68.6mm*5mm, the medium substrate it is upper
Antenna radiator is arranged in surface, and metal ground plate, the metal ground plate and rectangular metal side is arranged in the lower surface of medium substrate
Frame connection, the size of metal ground plate is larger than medium substrate, and rectangular metal frame is looped around around medium substrate；
As shown in Figures 2 and 3, the rectangular metal frame is band gap frame, in the upper of metal edge frame in the present embodiment
A gap, respectively left seam gap 6 and upper gap 7 are respectively opened in end and left side.Keep metal edge frame imperfect with this, forms breakpoint, more
Monopole is advantageously formed, generates resonance, while being also beneficial to the horizontal omnidirectional of directional diagram.
The antenna radiator includes vertical microstrip line 3A and horizontal microstrip line 3B, and the vertical microstrip line is vertically put vertically
It sets, one end is connect with the upper end of rectangular metal frame, and horizontal microstrip line is vertical with vertical microstrip line to be connect, and tie point, which is located at, to hang down
The top half of straight microstrip line, the horizontal microstrip line are middle section to recessed microstrip line, and the horizontal microstrip line includes
Successively connected vertically first, second, third, fourth and the 5th microstrip line, first microstrip line it is vertical with vertical microstrip line
Connection, the second microstrip line, third microstrip line and the 4th microstrip line are to recessed microstrip line.One end of 5th microstrip line with
The right side of rectangular metal frame connects.Middle section is recessed down to be gone to generate resonance with this to meet the needs of frequency band.
As shown in figure 4, the parameter of vertical microstrip line is RW1=2mm, RL1=18mm, the middle section water recessed down gone
The parameter of flat microstrip line is RW2=4.9mm, RW3=7mm, RW4=4mm, RW5=22mm, RL2=3mm, RL3=5mm.Due to
1 gap of rectangular metal of cracking frame, which exists, forms monopole, generates 1900MHz, 2500MHz and 3400MHz resonance to meet hand
Machine antenna multiband demand.
The lower surface of medium substrate, left-hand component gap 4A, right-hand component gap 4B is arranged in the metal ground plate
It is connected with lower end gap 4C respectively at the left side, right side and lower end of rectangular metal frame.Design parameter is L3=94mm, L4=
106mm carries out resonance by gap with radiating element body, generates 5000MHz frequency band with this and meet the more bandwidth requirements of mobile phone.
The rectangular metal frame 1 is respectively to open a seam on the top of metal edge frame and left part, respectively left seam gap 6 and upper
Gap 7.Rectangular metal of cracking frame uses L=138.6mm, the copper sheet of W=68.6mm, with a thickness of 0.3mm.Specific size are as follows:
W2=42.3mm, L2=14.3mm, F1=2mm, F2=5mm keep metal edge frame imperfect with this, form breakpoint, are more advantageous to
Monopole is formed, generates resonance, while being also beneficial to the horizontal omnidirectional of directional diagram.
The medium substrate 2 uses FR4 material, specific size are as follows: L1=134mm, W1=64mm, with a thickness of 0.8mm, with
The gap Gap=2mm of rectangular metal of cracking frame 1 generates resonance, spread bandwidth by gap with this.
As shown in figure 5, being the return loss of the present embodiment, by Fig. 5 it may be concluded that metal edge frame mobile phone of the invention
Antenna has the impedance bandwidth of 1660-3694MHz and 4673-5200MHz, and return loss reaches -6dB, 2G/3G/ can be completely covered
The 1710-2690MHz frequency range of LTE (4G) and 3300-3600MHz the and 4800-5000MHz frequency range of 5G.
As shown in fig. 6, be the present embodiment peak gain with the variation diagram of frequency, by Fig. 6 it may be concluded that the present invention
Metal edge frame antenna for mobile phone 1.7-2.9GHz peak gain be 2.18-3.38dBi, be in 3.2-3.6GHz peak gain
2.4-3.49dBi is 5.77-6.44dBi in the peak gain of 4.8-5GHz.
The present invention has production simple, and with roomy, no empty regions have the features such as metal edge frame, high gain.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by the embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (7)
1. a kind of metal edge frame antenna for mobile phone, which is characterized in that including rectangular metal frame, medium substrate, antenna radiator, gold
Belong to earth plate and coaxial feeder, antenna radiator is arranged in the upper surface of the medium substrate, and gold is arranged in the lower surface of medium substrate
Belong to earth plate；
The antenna radiator includes vertical microstrip line and horizontal microstrip line, one end of the vertical microstrip line and horizontal microstrip line
And one end connection of rectangular metal frame, the other end of the horizontal microstrip line are connect with the side of rectangular metal frame；
The metal ground plate is connect with rectangular metal frame, and the rectangular metal frame is looped around around medium substrate；
The side and one end of the rectangular metal frame are respectively provided with gap, and the side of the rectangular metal frame is left side or the right side
Side, one end of rectangular metal frame are upper end or lower end.
2. a kind of metal edge frame antenna for mobile phone according to claim 1, which is characterized in that the horizontal microstrip line is centre
Part specifically includes successively the first microstrip line connected vertically, the second microstrip line, third micro-strip to recessed horizontal microstrip line
Line, the 4th microstrip line and the 5th microstrip line, first microstrip line is vertical with vertical microstrip line to be connect, the 5th microstrip line with
The side for the rectangular metal frame that band cracks connects.
3. a kind of metal edge frame antenna for mobile phone according to claim 1, which is characterized in that rectangular metal frame cracks one
Side and the connection side of horizontal microstrip line and rectangular metal frame are different.
4. a kind of metal edge frame antenna for mobile phone according to claim 1, which is characterized in that the rectangular metal frame and Jie
Matter substrate interval 2mm.
5. a kind of metal edge frame antenna for mobile phone according to claim 1, which is characterized in that a left side for the rectangular metal frame
Side and upper end are respectively provided with gap, specifically: the upper end of rectangular metal frame is provided with a gap, opens on the left of rectangular metal frame
There is a gap.
6. a kind of metal edge frame antenna for mobile phone according to claim 1, which is characterized in that a left side for the metal ground plate
Side, right side and lower end are connect with rectangular metal frame.
7. a kind of metal edge frame antenna for mobile phone according to claim 5, which is characterized in that the rectangular metal frame uses
The copper sheet of 138.6mm*68.6mm*5mm, the gap length that rectangular metal frame upper end is opened are 5mm, and the gap length that left side is opened is
2mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167552.4A CN109980342B (en) | 2019-03-06 | 2019-03-06 | Mobile phone antenna with metal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167552.4A CN109980342B (en) | 2019-03-06 | 2019-03-06 | Mobile phone antenna with metal frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109980342A true CN109980342A (en) | 2019-07-05 |
| CN109980342B CN109980342B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167552.4A Active CN109980342B (en) | 2019-03-06 | 2019-03-06 | Mobile phone antenna with metal frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109980342B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571514A (en) * | 2019-09-25 | 2019-12-13 | 华南理工大学 | 5G metal frame cell-phone antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209516010U (en) * | 2019-03-06 | 2019-10-18 | 华南理工大学 | A kind of metal edge frame antenna for mobile phone |
-
2019
- 2019-03-06 CN CN201910167552.4A patent/CN109980342B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209516010U (en) * | 2019-03-06 | 2019-10-18 | 华南理工大学 | A kind of metal edge frame antenna for mobile phone |
Non-Patent Citations (1)
| Title |
|---|
| DAIWEI HUANG等: "Eight-Band Antenna for Full-Screen Metal Frame LTE Mobile Phones", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》, vol. 67, no. 3, pages 1527 - 1533 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571514A (en) * | 2019-09-25 | 2019-12-13 | 华南理工大学 | 5G metal frame cell-phone antenna |
| CN110571514B (en) * | 2019-09-25 | 2024-01-19 | 华南理工大学 | 5G metal frame mobile phone antenna |
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| Publication number | Publication date |
|---|---|
| CN109980342B (en) | 2024-05-03 |
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