CN110048219B - Electronic equipment integrated with ultra-wideband 5G antenna - Google Patents
Electronic equipment integrated with ultra-wideband 5G antenna Download PDFInfo
- Publication number
- CN110048219B CN110048219B CN201810044948.5A CN201810044948A CN110048219B CN 110048219 B CN110048219 B CN 110048219B CN 201810044948 A CN201810044948 A CN 201810044948A CN 110048219 B CN110048219 B CN 110048219B
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- antenna
- lambda
- circuit board
- wideband
- integrated
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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
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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
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to the technical field of antennas, and particularly discloses an electronic device integrated with an ultra-wideband 5G antenna, which comprises a device shell, a circuit board and at least one antenna unit, wherein the device shell comprises a back cover and a metal side frame, the antenna unit comprises a reflection cavity integrated on the metal side frame, a dipole printed on the circuit board and a double-sided microstrip line balun integrated with the dipole, a high-impedance transmission line is arranged between the dipole and the balun, and the reflection cavity is a cavity formed by inwards recessing the metal side frame. And the requirement of 5G millimeter wave communication is met.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to electronic equipment integrated with an ultra wide band 5G antenna.
Background
The 5G (5 th-Generation, fifth Generation mobile communication technology) is oriented to the human information society in the 2020, and although related technologies are not completely established, a 5G communication technology with high speed, low time delay, mass device connection, and low power consumption is expected to occupy an important position in the future society. The 5G terminal antenna as a core component of the 5G terminal device will play a positive and important role in promoting and promoting the development of new generation mobile communication systems and 5G mobile phones and other mobile terminals.
Different from the omnidirectional radiation antenna of a 4G mobile phone, the 5G mobile phone needs an antenna array for realizing beam forming on a millimeter wave frequency band, but the antenna array on the mobile phone is different from that of a base station, and at the base station end, because the antenna size is less limited and relatively mature phased array antenna technology is adopted for supporting, the prototype of the 5G base station antenna is shown. However, at the mobile terminal, due to the antenna space limitation of the mobile terminal such as a mobile phone and the environmental complexity such as metal, it is not a small challenge to make the 5G antenna compatible with the existing 2G/3G/4G/GPS/WiFi/BT antenna.
Disclosure of Invention
Aiming at the technical problems, the invention provides the electronic equipment integrated with the ultra-wideband 5G antenna, which realizes that the 5G antenna is well compatible with the existing 2G/3G/4G/GPS/WiFi/BT antenna, the impedance bandwidth reaches the level of the ultra-wideband antenna, and the electronic equipment has higher gain and wider beam scanning range.
In order to solve the technical problems, the invention provides the following specific scheme: the utility model provides an electronic equipment of integrated ultra wide band 5G antenna, includes equipment shell, circuit board and at least one antenna element, the equipment shell includes back of the body lid and metal side frame, antenna element is including integrated reflection chamber on metal side frame, the symmetrical oscillator of printing on the circuit board and the integrated two-sided microstrip line balun together with the symmetrical oscillator, be equipped with the high impedance transmission line between symmetrical oscillator and the balun, the reflection chamber is the cavity of the inside sunken formation of metal side frame.
The electronic equipment integrates the 5G antenna on the metal side frame, can be compatible with the 2G/3G/4G/GPS/WiFi/BT antenna, and can change the radiation direction of the 5G antenna by setting the reflection cavity, thereby reducing the radiation of a user using the mobile terminal.
Preferably, the length of the high-impedance transmission line arranged between the dipole and the balun is 0.001 lambda-0.01 lambda, the width of the high-impedance transmission line is 0.001 lambda-0.01 lambda, and the high-impedance transmission line in the parameter range can enable impedance matching between the dipole and the balun to be better, so that the working bandwidth of the antenna is wider.
Preferably, the balun comprises a set of parallel conduction bands located on the upper side of the circuit board and a set of horn conduction bands located on the lower side of the circuit board.
Preferably, the opposite surfaces of the opening of the reflection cavity are provided with an upper opening and a lower opening which are distributed up and down, the number of the upper openings is at least two, the upper openings are distributed at equal intervals, the number of the antenna units is equal to that of the upper openings, and the intervals between the antenna units are equal to those between the upper openings.
Preferably, the upper opening is semicircular, rectangular or irregular polygonal; the lower opening is rectangular.
Preferably, the reflective cavity includes an upper wall and a lower wall, and the circuit board is mounted between the upper wall and the lower wall.
Preferably, the circuit board is provided with a metalized via connecting the upper wall and the lower wall, so that the back radiation of the antenna is reduced.
Preferably, the length of the reflection cavity is 1.3 lambda-1.6 lambda, the width is 0.04 lambda-0.07 lambda, the height is 0.1 lambda-0.3 lambda, and the lambda is a vacuum wavelength corresponding to 30GHz, and the reflection cavity can enable the 5G antenna to generate better directional radiation.
Preferably, the reflection cavity is filled with a low-loss material, which refers to a material having a dielectric constant greater than 1 and a dielectric loss less than 0.02, such as plastic. The filling can be partially filled, or different materials can be selected for filling, and the filling mode can be nano injection molding. The specific filling mode and content should be selected according to the beam scanning range, the plastic filling can reduce the distance between the units and increase the scanning angle, but the bandwidth can be reduced, the coupling between the units can be increased, and the radiation gain can be reduced; optionally, air may be filled, i.e., not filled, if desired.
Preferably, the length of the dipole is 0.1 lambda-0.14 lambda, the width of the dipole is 0.01 lambda-0.02 lambda, and the working frequency band and the impedance bandwidth of the antenna can be conveniently changed.
Compared with the prior art, the invention has the beneficial effects that: the electronic equipment integrated with the ultra-wideband 5G antenna provided by the invention realizes that the 5G antenna on the electronic equipment is well compatible with the existing 2G/3G/4G/GPS/WiFi/BT antenna, the impedance bandwidth reaches the level of the ultra-wideband antenna, and meanwhile, the electronic equipment has higher gain and wider beam scanning range and meets the requirement of 5G millimeter wave communication.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a side view of one embodiment of the present invention;
FIG. 4 is a side view of a reflective cavity in accordance with one embodiment of the present invention;
FIG. 5 is a front view of a circuit board according to an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;
FIG. 7 is a back view of a circuit board according to an embodiment of the present invention;
FIG. 8 is a schematic view of a circuit board mounting according to an embodiment of the present invention;
FIG. 9 is a schematic overall structure diagram of another embodiment of the present invention;
FIG. 10 is an enlarged view of a portion of the structure of FIG. 9;
FIG. 11 is a schematic view of a circuit board mounting according to another embodiment of the present invention;
FIG. 12 is an enlarged view of a portion of FIG. 11;
FIG. 13 is a graph of the reflection coefficient of 8 antenna units in the range of 27GHz to 40GHz according to one embodiment of the invention;
wherein, 1 is an equipment shell; 11 is a back cover; 12 is a metal side frame; 2 is a circuit board; 21 is a metallized via; 22 is a feed microstrip line; 3 is a reflection cavity; 31 is an upper opening; 32 is a lower opening; 33 is an upper wall; 34 is the lower wall; 35 is a low loss material; 4 is a symmetrical oscillator; 5 is balun; 6 is a high impedance transmission line; 7 is a screw; and 8 is a fixed structural part.
Detailed Description
In order to explain the technical solution of the present invention in detail, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiment of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
The first embodiment is as follows:
referring to fig. 1, the electronic device integrated with an ultra-wideband 5G antenna provided by the present invention includes a device back cover, a device metal side frame, and an antenna unit, and for simplicity of description, a screen, a battery, and other circuit boards and elements of the device are not shown in fig. 1. The back cover of the equipment can be made of metal, glass, plastic or ceramic; the metal side frame can be made of metal completely or partially; the circuit board may have a radio frequency transceiver connected to the feed of the antenna, or may have other electronic components. As shown in fig. 1, the antennas are distributed on the metal side frames at both sides of the electronic device, each side may have an antenna array composed of a plurality of units, or a plurality of antenna arrays are located on the metal side frame at the same side, some sides may not place antennas, the distribution of the antenna units and the antenna arrays may be laid out according to actual requirements, the reflective cavity constituting the antennas is integrated on the metal side frame, the cavity is formed by inward recessing, the reflective cavity is filled with low-loss materials, and a circuit board where some antennas are located is placed in the reflective cavity to form a complete antenna.
Example two:
referring to fig. 2 to 4, this embodiment is similar to the first embodiment, and further, fig. 2 is a top view of the back cover, the metal side frame, the circuit board, and the antenna of the device, where two sides of the device are respectively provided with an antenna array composed of eight antenna elements, and each antenna element is fed by one feeding signal line. As shown in fig. 3, a low-loss material is filled between the circuit board located in the reflective cavity and the reflective cavity, and the filled low-loss material not only can enhance the structural strength, but also can reduce the size of the antenna. Fig. 4 is a schematic side view of the reflection chamber without the filling material and the circuit board, and at this time, the reflection chamber is filled with air, that is, is not filled with air. The reflecting cavity is provided with a plurality of upper holes which are arranged on the opening opposite surface of the reflecting cavity and are arranged at equal intervals, the lower part of the reflecting cavity is a lower hole which is arranged on the opening opposite surface of the reflecting cavity and is longer than the lower part of the reflecting cavity, the rectangular hole is arranged for enabling the circuit board to penetrate through the wall of the opening opposite surface of the reflecting cavity, the feeding signal wire printed on the circuit board is arranged below the upper holes, and the feeding signal wire is not short-circuited with the reflecting cavity due to the arrangement of the upper holes.
Example three:
referring to fig. 5-7, this embodiment is similar to the first and second embodiments, further, fig. 5 is a schematic diagram of a front surface of a circuit board, fig. 6 is an enlarged view of the dipoles, baluns and high-impedance transmission lines in fig. 5, and fig. 7 is a schematic diagram of a back surface of the circuit board, where only a portion from a feeding signal line to an antenna end is labeled in fig. 5 and 7, and a portion from the feeding signal line to a radio frequency circuit end is not labeled for the sake of neatness.
As shown in fig. 5 and 6, the feed signal line on the front surface of the circuit board is connected to a parallel conduction band, that is, a balun located on the front surface of the circuit board, and one of the arms of the dipole, that is, a dipole arm, is printed on the front surface of the circuit board, and the dipole arm and the balun are connected by a section of high-impedance transmission line, which can effectively expand the bandwidth. As shown in fig. 7, the other arm of the dipole is connected to the horn conduction band of the balun by a high impedance transmission line on the back side of the board, which is the same as the high impedance transmission line between the dipole arm on the front side of the board and the parallel conduction band of the balun.
Example four:
referring to fig. 1, 8-12, this embodiment is similar to the first, second and third embodiments, and further, this embodiment illustrates two assembling manners of the circuit board and the reflective cavity, where fig. 1 and 8 illustrate the first assembling manner, and as shown in fig. 8, the circuit board may be plugged into the reflective cavity through a lower opening on an opposite surface of the opening of the reflective cavity along the direction of the arrow in the drawing, so as to form a complete antenna. Fig. 9 to 12 show a second assembly method, which is shown in fig. 11, and compared with fig. 1, the assembly method has more fixing screws and fixing structural members, as shown in fig. 11 and 12, according to the arrow direction in the figure, the circuit board is first placed above the reflective cavity, then the upper half of the reflective cavity is placed on the circuit board, then the screws are locked into the screw holes of the fixing structural member integrated with the upper half of the reflective cavity, and the screws sequentially pass through the fixing structural member, the circuit board and the lower half of the reflective cavity, so as to form a complete antenna structure.
Example five:
referring to fig. 13, this embodiment is similar to the electronic device implementing the ultra-wideband 5G antenna of the first to fourth embodiments, and fig. 11 is a graph of reflection coefficients of 8 antenna units at 27GHz to 40GHz, with the abscissa representing the operating frequency of the 5G antenna and the ordinate representing the reflection coefficient.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. The utility model provides an electronic equipment of integrated ultra wide band 5G antenna, includes equipment shell (1), circuit board (2) and at least one antenna unit, the equipment shell includes back lid (11) and metal side frame (12), its characterized in that: the antenna unit comprises a reflection cavity (3) integrated on a metal side frame (12), a symmetrical oscillator (4) printed on a circuit board (2) and a double-sided microstrip line balun (5) integrated with the symmetrical oscillator (4), a high-impedance transmission line (6) is arranged between the symmetrical oscillator (4) and the balun (5), and the reflection cavity (3) is a cavity formed by inwards sinking the metal side frame (12);
the opening opposite surface of the reflection cavity (3) is provided with an upper opening (31) and a lower opening (32) which are distributed up and down, the number of the upper openings (31) is at least two, and the upper openings (31) are distributed at equal intervals; the number of the antenna units is equal to that of the upper open holes (31), and the spacing between the antenna units is equal to that between the upper open holes (31);
the circuit board (2) is arranged in the reflection cavity (3) through the lower opening (32).
2. The electronic device of an integrated ultra-wideband 5G antenna of claim 1, wherein: the high-impedance transmission line (6) arranged between the symmetrical vibrator (4) and the balun (5) has the length of 0.001 lambda-0.01 lambda and the width of 0.001 lambda-0.01 lambda.
3. The electronic device integrated with an ultra-wideband 5G antenna according to claim 1, wherein: the balun (5) comprises a set of parallel conduction bands located on the upper side of the circuit board (2) and a set of horn-shaped conduction bands located on the lower side of the circuit board (2).
4. The electronic device of an integrated ultra-wideband 5G antenna of claim 1, wherein: the upper opening (31) is semicircular, rectangular or irregular polygonal; the lower opening (32) is rectangular.
5. The electronic device of an integrated ultra-wideband 5G antenna of claim 1, wherein: the reflection cavity (3) comprises an upper wall (33) and a lower wall (34), and the circuit board (2) is installed between the upper wall (33) and the lower wall (34).
6. The electronic device of an integrated ultra-wideband 5G antenna of claim 5, wherein: the circuit board (2) is provided with a metalized through hole (21) for connecting the upper wall (33) and the lower wall (34).
7. The electronic device of an integrated ultra-wideband 5G antenna of claim 1, wherein: the length of the reflecting cavity (3) is 1.3 lambda-1.6 lambda, the width is 0.04 lambda-0.07 lambda, the height is 0.1 lambda-0.3 lambda, and the lambda is the vacuum wavelength corresponding to 30 GHz.
8. The electronic device of an integrated ultra-wideband 5G antenna of claim 1, wherein: the reflection cavity (3) is filled with a low-loss material (35).
9. The electronic device of an integrated ultra-wideband 5G antenna of claim 1, wherein: the length of the symmetrical oscillator (4) is 0.1 lambda-0.14 lambda, and the width of the symmetrical oscillator is 0.01 lambda-0.02 lambda.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044948.5A CN110048219B (en) | 2018-01-17 | 2018-01-17 | Electronic equipment integrated with ultra-wideband 5G antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044948.5A CN110048219B (en) | 2018-01-17 | 2018-01-17 | Electronic equipment integrated with ultra-wideband 5G antenna |
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| Publication Number | Publication Date |
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| CN110048219A CN110048219A (en) | 2019-07-23 |
| CN110048219B true CN110048219B (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810044948.5A Active CN110048219B (en) | 2018-01-17 | 2018-01-17 | Electronic equipment integrated with ultra-wideband 5G antenna |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012147158A (en) * | 2011-01-11 | 2012-08-02 | New Japan Radio Co Ltd | Antenna for microwave |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567055B1 (en) * | 2001-05-01 | 2003-05-20 | Rockwell Collins, Inc. | Method and system for generating a balanced feed for RF circuit |
| EP2178158B1 (en) * | 2008-10-17 | 2012-02-01 | ETA SA Manufacture Horlogère Suisse | Wrist-wearable device comprising an antenna |
| US8963782B2 (en) * | 2009-09-03 | 2015-02-24 | Apple Inc. | Cavity-backed antenna for tablet device |
| US10361476B2 (en) * | 2015-05-26 | 2019-07-23 | Qualcomm Incorporated | Antenna structures for wireless communications |
| CN105244626B (en) * | 2015-11-02 | 2018-06-26 | 深圳市信维通信股份有限公司 | Carry on the back chamber slot antenna configurations |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012147158A (en) * | 2011-01-11 | 2012-08-02 | New Japan Radio Co Ltd | Antenna for microwave |
Non-Patent Citations (2)
| Title |
|---|
| A cavity-backed aperture antenna on LTCC for 5G mobile communications;Yao-Wen Hsu等;《2016 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)》;20160929;全文 * |
| 全金属边界智能机天线设计;李鹏鹏;《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》;20160215;全文 * |
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