CN114696076A - Multi-band antenna double-switch structure of metal frame mobile phone and method thereof - Google Patents
Multi-band antenna double-switch structure of metal frame mobile phone and method thereof Download PDFInfo
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- CN114696076A CN114696076A CN202210363502.5A CN202210363502A CN114696076A CN 114696076 A CN114696076 A CN 114696076A CN 202210363502 A CN202210363502 A CN 202210363502A CN 114696076 A CN114696076 A CN 114696076A
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- 239000002184 metal Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 claims description 7
- 210000003205 muscle Anatomy 0.000 claims description 6
- 238000005457 optimization Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
-
- 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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a multi-band antenna double-switch structure of a metal frame mobile phone, which comprises a frame, wherein a main board ground is connected inside the frame, two metal fractures are arranged at the top of the frame, a configuration cavity is arranged at the top of the frame, a partition rib position is arranged in the configuration cavity, a partition rib is arranged in the partition rib position, a first antenna switch and a second antenna switch are arranged in the configuration cavity, a feed coupling line is arranged in the configuration cavity, the feed coupling line is provided with an antenna feed point, and the multi-band antenna double-switch structure also discloses a multi-band antenna double-switch method, which comprises the following steps: determining a required antenna frequency range, and performing a preliminary frequency range switching plan on the first antenna switch and the second antenna switch according to the frequency range; determining the specific position of the breaking rib; determining specific positions of the first antenna switch and the second antenna switch; debugging and optimizing the matching of the feed coupling line and the main path; and solidifying the matching combination form into the mobile phone application program.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a multi-band antenna double-switch structure of a metal frame mobile phone and a method thereof.
Background
The antenna is used for effectively transmitting and receiving radio frequency signals, the resonant branches of the antenna have frequency bandwidth, and the requirement on the coverage bandwidth of the antenna is higher along with the development of communication. Currently, with the development of a new generation of wireless communication technology, the number of frequency bands for wireless communication is greatly increased, so that a multi-band antenna capable of being used for multiple working frequency bands is often designed, and the fifth generation mobile communication technology in China is applied in rapid development at the present stage. The antenna plays an important role as an important component of a mobile communication system, so that the research design of the 5G multiband antenna has wide application prospect in a mobile communication terminal, the design of the multiband antenna of the mobile phone in the market at present generally adopts a design idea of a direct feed or fracture single-side feed coupling technology, and the two technologies are widely applied to a mobile phone project with a symmetrical disconnected metal frame in the existing market;
however, the problems of the conventional design concept are as follows:
1. the direct feed has strict requirements on the length of a metal fragment and an antenna clearance area, and the bandwidth of a debugging antenna is often not enough to meet the requirement of multiple frequency bands and is not suitable for a mobile phone project of stacking tight measurement;
2. the problem of the single-side feed coupling technique is that all required frequency bands need to be loaded on one antenna switch, and the selection of the antenna switch is difficult. If a single-pole multi-throw switch is selected, the path of the switch is not enough to meet the requirement of the antenna frequency band. If the adjustable capacitor is selected, contradiction exists between the debugging frequency range and the load voltage of the adjustable capacitor.
How to solve the two technical difficulties needs to be researched.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: the purpose is to provide a multi-band antenna double-switch structure of a metal frame mobile phone and a method thereof.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a multifrequency section antenna double-switch structure of metal frame cell-phone, includes the frame, frame internal connection has mainboard ground, the frame top is equipped with two metal fracture, the frame top is equipped with the configuration chamber, the configuration intracavity is equipped with cuts off the muscle position, cut off and install in the muscle position and cut off the muscle, first antenna switch and second antenna switch are installed to the configuration intracavity, the configuration intracavity is installed the feed coupling line, the feed coupling line is equipped with the antenna feed point.
A multi-band antenna double-switch method of a metal frame mobile phone comprises the following steps:
s1, determining a required antenna frequency range, and performing a preliminary frequency range switching plan on the first antenna switch and the second antenna switch according to the frequency range;
s2, determining the specific position of the blocking rib;
s3, determining the specific positions of the first antenna switch and the second antenna switch;
s4, optimizing the matching debugging of the feed coupling line and the main circuit;
and S5, solidifying the matching combination form into the mobile phone application program.
Further, the feed coupling line comprises an L-shaped branch and a G-shaped branch which are connected with each other, and due to the design, multi-branch coupling is formed, and the using effect is good.
Further limiting, the partition ribs are fixedly installed in the partition rib positions in a spot welding mode, and the design ensures that the positions are not moved.
Further inject, two the fracture symmetry sets up the frame top, such design, when the outward appearance is good, excellent in use effect.
Further, the feed coupling line is integrally formed, and the design is not easy to break.
Further, in step S2, the specific position of the blocking rib needs to preferentially ensure that the requirement of the low frequency band and the ultra-low frequency band is 960 ≤ Mhz, and such a design ensures the switchable frequency band range of the first antenna switch.
Further, in step S3, the specific positions of the first antenna switch and the second antenna switch are selected according to the following rule: when the antenna is in idle throw, the frequency band with the highest frequency can be covered, and the optimal performance is ensured.
Further, in step S4, the tuning optimization is to combine the combined matching value between the two switches and the main path matching, and tune the design that each channel is the best antenna, so as to ensure the use effect.
The invention has the following beneficial effects:
the invention fully utilizes two independent metal fragments formed by the metal fracture of the mobile phone to design the dual-fragment feed coupling antenna to achieve the aim of covering the full-band antenna, so that the design technology of the dual-switch of the first antenna switch and the second antenna switch perfectly solves the problem of antenna bandwidth during direct feed and the problem of switch selection during unilateral coupling.
The invention can be generally applied to mobile phone projects with metal frames and has wide application range.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of an embodiment of a dual-switch structure of a multiband antenna of a metal-frame mobile phone according to the present invention;
FIG. 2 is a schematic block diagram of a flow of an embodiment of a dual-switch structure of a multiband antenna of a metal-framed mobile phone according to the present invention;
the main element symbols are as follows:
the antenna comprises a frame 1, a mainboard ground 2, a metal fracture 3, a configuration cavity 4, a partition rib position 5, a partition rib 6, a first antenna switch 7, a second antenna switch 8, a feed coupling line 9, an L-shaped branch 91, a G-shaped branch 92 and an antenna feed point 10.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the multiband antenna double-switch structure of a metal frame mobile phone comprises a frame 1, a main board ground 2 is connected inside the frame 1, two metal fractures 3 are arranged at the top of the frame 1, a configuration cavity 4 is arranged at the top of the frame 1, a partition rib position 5 is arranged in the configuration cavity 4, a partition rib 6 is arranged in the partition rib position 5, a first antenna switch 7 and a second antenna switch 8 are arranged in the configuration cavity 4, a feed coupling line 9 is arranged in the configuration cavity 4, and an antenna feed point 10 is arranged on the feed coupling line 9.
A multi-band antenna double-switch method of a metal frame mobile phone comprises the following steps:
s1, determining a required antenna frequency range, and performing a preliminary frequency range switching planning on the first antenna switch 7 and the second antenna switch 8 according to the frequency range;
s2, determining the specific position of the blocking rib 6;
s3, determining the specific positions of the first antenna switch 7 and the second antenna switch 8;
s4, debugging and optimizing the matching of the feed coupling line 9 and the main circuit;
and S5, solidifying the matching combination form into the mobile phone application program.
In the embodiment, when the multi-band antenna double-switch structure of the metal frame mobile phone and the method thereof are used, firstly, the antenna frequency range required by a project is determined, and then, a preliminary frequency range switching plan is performed on the first antenna switch 7 and the second antenna switch 8 according to the frequency range, so that the condition that the switch or the adjustable capacitor path is insufficient in the design process is ensured, and the whole project is guaranteed; after the preliminary planning is finished, the specific position of the isolation rib 6 in the isolation rib position 5 is determined, the position is related to the switchable frequency range of the first antenna switch 7, and the design principle is as follows: the requirements (less than or equal to 960Mhz part) of the low frequency band and the ultra-low frequency band need to be preferentially ensured, the specific positions of the two switches are redistributed after the specific position of the partition rib position 5 is determined, and the rule of the position selection is as follows: when the air-drop switch is in idle throw, the frequency band with the highest frequency can be covered, and the optimal performance is ensured, because only when the frequency band is optimal, a sufficient guarantee can be provided for the switch operation; after the two switch positions are determined, the feed coupling line 9 and the main path matching are debugged and optimized, all that is needed is to debug the antenna with each channel being the best by combining the combined matching value among the first antenna switch 7, the second antenna switch 8 and the main path matching, and finally, the debugging work of the antenna is completed by solidifying the matching combination form to the mobile phone application program.
Preferably, the feeding coupling line 9 comprises an L-shaped branch 91 and a G-shaped branch 92 connected with each other, and such a design forms a multi-branch coupling, so that the use effect is good, and actually, the structure of the feeding coupling line 9 can be considered according to specific situations.
Preferably, the partition rib 6 is fixedly installed in the partition rib position 5 in a spot welding manner, and by adopting the design, the position is ensured not to move, and actually, the fixing manner of the partition rib 6 can be considered according to specific conditions.
Preferably two fractures 3 symmetry sets up at frame 1 top, such design, when the outward appearance is good, excellent in use effect, in fact, also can consider two fractures 3's position according to particular case.
The feeding coupling line 9 is preferably integrally formed, and such a design is not easy to break, and actually, the forming mode of the feeding coupling line 9 can be considered according to specific situations.
Preferably, in the step S2, the specific position of the blocking rib 6 needs to preferentially ensure that the requirements of the low frequency band and the ultra-low frequency band are equal to or less than 960Mhz, such a design ensures the switchable frequency band range of the first antenna switch 7, and in fact, the specific position of the blocking rib 6 may also be considered to be determined according to specific situations.
Preferably, in step S3, the specific positions of the first antenna switch 7 and the second antenna switch 8 are selected according to the following rule: when the antenna is in idle throw, the frequency band with the highest frequency can be covered and the performance is ensured to be optimal, the design aims to provide a sufficient guarantee for the first antenna switch 7 and the second antenna switch 8 after working only in the optimal time, and actually, the specific positions of the first antenna switch 7 and the second antenna switch 8 can be considered to be determined according to specific conditions.
Preferably, in step S4, the tuning optimization is performed by combining the combined matching value between the two switches and the main path matching, and tuning the design that each channel is the best antenna, so as to ensure the using effect.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a multifrequency section antenna double switch structure of metal frame cell-phone, includes frame (1), its characterized in that: frame (1) internal connection has mainboard ground (2), frame (1) top is equipped with two fractures (3), frame (1) top is equipped with configuration chamber (4), be equipped with in configuration chamber (4) and cut off muscle position (5), it separates disconnected muscle (6) to install in cutting off muscle position (5), install first antenna switch (7) and second antenna switch (8) in configuration chamber (4), install feed coupling line (9) in configuration chamber (4), feed coupling line (9) are equipped with antenna feed point (10).
2. The multiband antenna double-switch structure of the metal frame mobile phone according to claim 1, wherein: the feed coupling line (9) comprises an L-shaped branch (91) and a G-shaped branch (92) which are connected with each other.
3. The multiband antenna double-switch structure of the metal-frame mobile phone according to claim 2, wherein: the partition ribs (6) are fixedly arranged in the partition rib positions (5) in a spot welding mode.
4. The multiband antenna double-switch structure of the metal frame mobile phone according to claim 3, wherein: the two metal fractures (3) are symmetrically arranged at the top of the frame (1).
5. The multiband antenna double-switch structure of the metal frame mobile phone according to claim 4, wherein: the feed coupling line (9) is integrally formed.
6. A multi-band antenna double-switch method of a metal frame mobile phone comprises the multi-band antenna double-switch structure of the metal frame mobile phone according to claims 1-5, and is characterized by comprising the following steps:
s1, determining a required antenna frequency range, and performing a preliminary frequency range switching planning on the first antenna switch (7) and the second antenna switch (8) according to the frequency range;
s2, determining the specific position of the blocking rib (6);
s3, determining the specific positions of the first antenna switch (7) and the second antenna switch (8);
s4, debugging and optimizing the matching of the feed coupling line (9) and the main circuit;
and S5, solidifying the matching combination form into the mobile phone application program.
7. The multi-band antenna double-switching method of the metal-frame mobile phone according to claim 6, wherein: in the step S2, the specific position of the blocking rib (6) needs to preferentially ensure that the requirements of the low frequency band and the ultra-low frequency band are not more than 960 Mhz.
8. The multiband antenna double-switching method of a metal-frame mobile phone according to claim 7, wherein: in the step S3, the specific positions of the first antenna switch (7) and the second antenna switch (8) are selected according to the following rules: when the air-throwing device is used, the frequency band with the highest frequency can be covered, and the optimal performance is ensured.
9. The multi-band antenna double-switching method of the metal-frame mobile phone according to claim 8, wherein: in the step S4, what is needed for the tuning optimization is to combine the combined matching values between the two switches and the main path matching, and tune the antenna with each channel being the best.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210363502.5A CN114696076A (en) | 2022-04-08 | 2022-04-08 | Multi-band antenna double-switch structure of metal frame mobile phone and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210363502.5A CN114696076A (en) | 2022-04-08 | 2022-04-08 | Multi-band antenna double-switch structure of metal frame mobile phone and method thereof |
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| CN114696076A true CN114696076A (en) | 2022-07-01 |
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| CN202210363502.5A Pending CN114696076A (en) | 2022-04-08 | 2022-04-08 | Multi-band antenna double-switch structure of metal frame mobile phone and method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104956542B (en) * | 2013-12-12 | 2017-09-19 | 华为终端有限公司 | Antenna, antenna assembly, terminal and the method for adjusting Antenna Operation frequency range |
| CN107565209A (en) * | 2017-07-31 | 2018-01-09 | 北京小米移动软件有限公司 | Mobile terminal and its antenna |
| CN108767499A (en) * | 2018-04-28 | 2018-11-06 | 华勤通讯技术有限公司 | Metal edge frame antenna and terminal device |
| CN108808221A (en) * | 2018-06-19 | 2018-11-13 | 深圳市万普拉斯科技有限公司 | antenna system and mobile terminal |
-
2022
- 2022-04-08 CN CN202210363502.5A patent/CN114696076A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104956542B (en) * | 2013-12-12 | 2017-09-19 | 华为终端有限公司 | Antenna, antenna assembly, terminal and the method for adjusting Antenna Operation frequency range |
| CN107565209A (en) * | 2017-07-31 | 2018-01-09 | 北京小米移动软件有限公司 | Mobile terminal and its antenna |
| CN108767499A (en) * | 2018-04-28 | 2018-11-06 | 华勤通讯技术有限公司 | Metal edge frame antenna and terminal device |
| CN108808221A (en) * | 2018-06-19 | 2018-11-13 | 深圳市万普拉斯科技有限公司 | antenna system and mobile terminal |
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Effective date of registration: 20231016 Address after: 518126 Building C, Huafeng Smart Innovation Port, Gushu Second Road, Gushu Community, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province 410 Applicant after: SHENZHEN AI-THINKER CO.,LTD. Address before: 518100 room 410, block C, Huafeng smart innovation port, Gushu, Xixiang, Bao'an District, Shenzhen, Guangdong Applicant before: SHENZHEN B & T TECHNOLOGY CO.,LTD. |