CN110635227B - Linear RDSS antenna based on mobile phone metal outer frame - Google Patents
Linear RDSS antenna based on mobile phone metal outer frame Download PDFInfo
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- CN110635227B CN110635227B CN201810663703.0A CN201810663703A CN110635227B CN 110635227 B CN110635227 B CN 110635227B CN 201810663703 A CN201810663703 A CN 201810663703A CN 110635227 B CN110635227 B CN 110635227B
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- mobile phone
- feeding point
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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
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—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
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a linear RDSS antenna based on a metal outer frame of a mobile phone, which belongs to the technical field of antennas and solves the technical problem of miniaturization of the RDSS antenna, and the technical key point is that the metal outer frame of the mobile phone and a mainboard are utilized to form the antenna, the mainboard is positioned inside the metal outer frame of the mobile phone and comprises an L-frequency-band antenna and an S-frequency-band antenna, and one short edge of the metal outer frame of the mobile phone is provided with two insulated clearance areas (1); the L-band antenna comprises an L feeding point (2), an L radiating arm (3) and an L feeding point (4), wherein the L feeding point (2) and the L feeding point (4) are arranged on the mainboard; the S-band antenna comprises an S feed point (5), an S radiation arm (6) and an S feed point (7); the invention is used for the RDSS antenna of the mobile phone.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a linear RDSS antenna based on a metal outer frame of a mobile phone.
Background
The Beidou satellite navigation system adopts a satellite radio measurement (RDSS) and satellite Radio Navigation (RNSS) integrated system, can provide satellite radio navigation service for users like a GPS, GLONASS and GALILEO system, and has the functions of position reporting and short message communication. Satellite Radio positioning Service, abbreviated RDSS, Radio Determination Satellite Service, english. The distance measurement and position calculation from the user to the satellite cannot be performed independently by the user himself, and must be performed by an external system through the response of the user. The method is characterized in that the user response is used for completing the positioning and the user position report to an external system, and the integration of the positioning and the communication can be realized, so that the NAVCOMM integration in the same system is realized.
At present, people pursue miniaturization of mobile phone terminals, but the existing Beidou mobile phone terminals are limited by the size of an antenna, and the size of the mobile phone terminals is larger. Under the environment, how to apply the Beidou technology to the mobile phone terminal and ensure the miniaturization of the mobile phone terminal is an important research direction.
Disclosure of Invention
The invention aims to provide a linear RDSS antenna based on a metal outer frame of a mobile phone, so that RDSS can be realized on the mobile phone.
In order to solve the technical problems, the technical scheme of the invention is as follows: a linear RDSS antenna based on a metal outer frame of a mobile phone forms an antenna by utilizing the metal outer frame of the mobile phone and a mainboard, the mainboard is positioned inside the metal outer frame of the mobile phone and comprises an L-frequency-band antenna and an S-frequency-band antenna, and two insulated clearance areas are arranged on one short edge of the metal outer frame of the mobile phone; the L-band antenna comprises an L feed point, an L radiation arm and an L feed point, wherein the L feed point and the L feed point are arranged on the mainboard, the L radiation arm comprises a first L radiation section, a second L radiation section and a third L radiation section which are electrically connected in sequence, the first L radiation section is electrically connected with the L feed point, the third L radiation section is electrically connected with the L feed point, and the second L radiation section is an outer frame between two clearance areas on a metal outer frame of the mobile phone; the S-band antenna comprises an S feed point, an S radiation arm and an S feed point, wherein the S feed point and the S feed point are arranged on a mainboard, the S radiation arm comprises a first S radiation section and a second S radiation section which are electrically connected in sequence, the first S radiation section is electrically connected with the S feed point, the second S radiation section is electrically connected with the S feed point, and the second S radiation section is an outer frame outside a clearance area on a metal outer frame of the mobile phone.
Furthermore, the third L-shaped radiation section is arranged in a bending manner.
Further, an L matching bit is arranged between the L feeding point and the first L radiation section.
Further, the S-feeding point and the first S-radiating section are further provided with an S-matching bit.
Further, the interval between the main board and the metal frame where the clearance area is located is 11mm, the length of the L radiation arm is 84mm, and the length of the S radiation arm is 35 mm.
The beneficial effects realized by the invention mainly comprise the following points: a linear RDSS antenna scheme based on a metal outer frame of the mobile phone is provided, the metal shell of the mobile phone is utilized, the body of the antenna is fused with the shell of the mobile phone, the space occupied by the antenna is greatly reduced, and the size of the mobile phone is reduced; a matching network can be added to the matching bit to optimize the performance of the antenna.
Drawings
Fig. 1 is a schematic structural diagram of a linear RDSS antenna based on a metal casing of a mobile phone according to a first embodiment of the present invention;
fig. 2 is an S-band antenna S parameter diagram and a smith chart according to a first embodiment of the present invention;
fig. 3 is an S parameter diagram and a smith chart of an L-band antenna according to a first embodiment of the present invention;
fig. 4 is a standing wave diagram of the S-band antenna according to the first embodiment of the present invention;
fig. 5 is a standing wave diagram of the L-band antenna according to the first embodiment of the present invention.
Description of reference numerals: the antenna comprises an A-mobile phone metal frame, a B-main board, a 1-clearance area, a 2-L feeding point, a 3-L radiating arm, a 31-first L radiating section, a 32-second L radiating section, a 33-third L radiating section, a 4-L feeding point, a 5-S feeding point, a 6-S radiating arm, a 61-first S radiating section, a 62-second S radiating section, a 7-S feeding point, an 8-L matching position and a 9-S matching position.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
Referring to fig. 1, a linear RDSS antenna based on a metal housing of a mobile phone forms an antenna by using a metal housing a of a mobile phone and a motherboard B, where the motherboard is located inside the metal housing of the mobile phone and has a part of an antenna structure. The RDSS antenna comprises an L-band antenna and an S-band antenna, wherein the L-band antenna transmits 1610-1625.5Mhz electromagnetic wave signals, and the S-band antenna transmits 2483.5-2500Mhz electromagnetic wave signals.
Referring to fig. 1, due to the requirement of the antenna structure, one of the short sides of the metal casing of the mobile phone is provided with two insulated clearance areas 1, so as to divide the metal casing of the mobile phone into three parts. L frequency channel antenna include that L feed point 2, L radiation arm 3 and L feed the place 4, L feed point 2 and L feed the place 4 and all set up on the mainboard, L radiation arm 3 including electric connection's first L radiation section 31, second L radiation section 32 and third L radiation section 33 in proper order. The first L-shaped radiation section 31 is electrically connected to the L-shaped feed point 2, the third L-shaped radiation section 33 is electrically connected to the L-shaped feed point 4, and when the antenna is used, the feed source is electrically connected to the L-shaped feed point 2 and the L-shaped feed point 4. The second L-shaped radiation section 32 is a section of outer frame between two clearance areas 1 on the metal outer frame of the mobile phone; so that the first L-radiation section 31, the second L-radiation section 32 and the third L-radiation section 33 form a loop antenna. The third L-shaped radiating section 33 is bent, so that the length of the antenna radiating arm can be extended in a small space, and the requirement of antenna radiation is met.
Referring to fig. 1, the S-band antenna includes an S feeding point 5, an S radiating arm 6, and an S feeding point 7, where the S feeding point 5 and the S feeding point 7 are disposed on a main board, and the S radiating arm 6 includes a first S radiating section 61 and a second S radiating section 62 electrically connected in sequence. The first S radiation section 61 is electrically connected to the S feed point 5, the second S radiation section 62 is electrically connected to the S feed point 7, and when the antenna is used, the feed source is electrically connected to the S feed point 5 and the S feed point 7. The second S radiation section 62 is a section of outer frame outside the clearance area 1 on the metal outer frame of the mobile phone; so that the first S-radiating section 61 and the second S-radiating section 62 form a loop antenna.
Referring to fig. 1, an L matching bit 8 is further disposed between the L feeding point 2 and the first L radiating section 31, an S matching bit 9 is further disposed between the S feeding point 5 and the first S radiating section 61, and the L matching bit 8 and the S matching bit 9 may be respectively connected to a matching network, so as to optimize the performance of the antenna.
The main shape parameters of the metal outer frame of the mobile phone and the antenna can be as follows: the mobile phone metal frame is 150mm 75mm 7.5mm, the interval of the metal frame where the mainboard and the clearance area 1 are located is 11mm, the length of the L radiation arm 3 is 84mm, and the length of the S radiation arm 6 is 35 mm. The radiation arms of the L-band antenna and the S-band antenna both reasonably utilize metal shells of the mobile phone and fully utilize clearance areas in the mobile phone, so that a better antenna environment is achieved.
The present embodiment forms a loop antenna by the above form and parameters, and the termination load impedance of the antenna in this form may be zero or equal to the characteristic impedance of the loop, and the current distribution on the loop is similar to that of a parallel transmission line. It can have a wider bandwidth. The length of above-mentioned radiation arm and the setting of matching the position, the position of two frequency channel antennas has rationally arranged, can effectual promotion antenna efficiency, refer to fig. 3~ 5. The frequency band of debugging is big dipper RDSS frequency band, but the polarization mode that adopts is linear polarization, utilizes this kind of form, and the efficiency of antenna has very big improvement, also can not be limited by the structure of complete machine, can have fine integration with the structure of complete machine. Compared with the traditional Beidou mobile phone using the circularly polarized antenna, the linearly polarized mobile phone is more portable and small.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (4)
1. The utility model provides a linear RDSS antenna based on cell-phone metal frame, utilizes cell-phone metal frame and mainboard formation antenna, the mainboard be located the inside of cell-phone metal frame, including L frequency channel antenna and S frequency channel antenna, its characterized in that: the L frequency band emits 1610-1625.5Mhz electromagnetic wave signals, the S frequency band emits 2483.5-2500Mhz electromagnetic wave signals, and one short side of the metal outer frame of the mobile phone is provided with two insulated clearance areas (1); the L-band antenna comprises an L feeding point (2), an L radiating arm (3) and an L feeding point (4), wherein the L feeding point (2) and the L feeding point (4) are arranged on a mainboard, the L radiating arm (3) comprises a first L radiating section (31), a second L radiating section (32) and a third L radiating section (33) which are electrically connected in sequence, the first L radiating section (31) is electrically connected with the L feeding point (2), the third L radiating section (33) is electrically connected with the L feeding point (4), the second L radiating section (32) is an outer frame section between two net empty areas (1) on a metal outer frame of the mobile phone, and the first L radiating section (31), the second L radiating section (32) and the third L radiating section (33) form a loop antenna; the S-band antenna comprises an S feeding point (5), an S radiation arm (6) and an S feeding point (7), wherein the S feeding point (5) and the S feeding point (7) are arranged on a mainboard, the S radiation arm (6) comprises a first S radiation section (61) and a second S radiation section (62) which are electrically connected in sequence, the first S radiation section (61) is electrically connected with the S feeding point (5), the second S radiation section (62) is electrically connected with the S feeding point (7), the second S radiation section (62) is a section of outer frame outside a net space area (1) on a metal outer frame of the mobile phone, and the first S radiation section (61) and the second S radiation section (62) form a loop antenna; the size of the mobile phone metal outer frame is 150mm 75mm 7.5mm, the distance between the main board and the metal frame where the clearance area (1) is located is 11mm, the length of the L radiation arm (3) is 84mm, and the length of the S radiation arm (6) is 35 mm.
2. The linear RDSS antenna based on metal casing of mobile phone as claimed in claim 1, wherein: the third L-shaped radiation section (33) is arranged in a bending mode.
3. The linear RDSS antenna based on metal casing of mobile phone as claimed in claim 1, wherein: and an L matching bit (8) is also arranged between the L feeding point (2) and the first L radiation section (31).
4. The linear RDSS antenna based on metal casing of mobile phone as claimed in claim 1, wherein: the S feeding point (5) and the first S radiation section (61) are also provided with an S matching position (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810663703.0A CN110635227B (en) | 2018-06-25 | 2018-06-25 | Linear RDSS antenna based on mobile phone metal outer frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810663703.0A CN110635227B (en) | 2018-06-25 | 2018-06-25 | Linear RDSS antenna based on mobile phone metal outer frame |
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| Publication Number | Publication Date |
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| CN110635227A CN110635227A (en) | 2019-12-31 |
| CN110635227B true CN110635227B (en) | 2021-04-16 |
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| CN201810663703.0A Expired - Fee Related CN110635227B (en) | 2018-06-25 | 2018-06-25 | Linear RDSS antenna based on mobile phone metal outer frame |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848567A (en) * | 2015-12-03 | 2017-06-13 | 小米科技有限责任公司 | Terminal shell and terminal |
| CN108023167A (en) * | 2016-11-04 | 2018-05-11 | 深圳富泰宏精密工业有限公司 | The radio communication device of antenna structure and the application antenna structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102394347A (en) * | 2011-07-01 | 2012-03-28 | 中兴通讯股份有限公司 | Antenna |
| CN203398262U (en) * | 2013-07-25 | 2014-01-15 | 上海安费诺永亿通讯电子有限公司 | Novel LTE metal-frame antenna with ultra wide band |
| CN105609956B (en) * | 2016-02-02 | 2019-02-01 | 惠州硕贝德无线科技股份有限公司 | A kind of high-isolation antenna applied to segmented metal back cover mobile phone |
| CN107666036A (en) * | 2016-07-21 | 2018-02-06 | 深圳富泰宏精密工业有限公司 | Antenna structure and the radio communication device with the antenna structure |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848567A (en) * | 2015-12-03 | 2017-06-13 | 小米科技有限责任公司 | Terminal shell and terminal |
| CN108023167A (en) * | 2016-11-04 | 2018-05-11 | 深圳富泰宏精密工业有限公司 | The radio communication device of antenna structure and the application antenna structure |
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| CN110635227A (en) | 2019-12-31 |
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Effective date of registration: 20220303 Address after: 226200 No.500, Linyang Road, Qidong Economic Development Zone, Nantong City, Jiangsu Province Patentee after: Jiangsu Baitong Communication Technology Co.,Ltd. Address before: 213000 Hongchuang Building, 11 Qingyang North Road, Tianning District, Changzhou City, Jiangsu Province, 9th Floor Patentee before: CHANGZHOU RENQIAN ELECTRICAL TECHNOLOGY CO.,LTD. |
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Granted publication date: 20210416 |