CN111029732A - Antenna device and handheld communication equipment - Google Patents
Antenna device and handheld communication equipment Download PDFInfo
- Publication number
- CN111029732A CN111029732A CN201911414280.XA CN201911414280A CN111029732A CN 111029732 A CN111029732 A CN 111029732A CN 201911414280 A CN201911414280 A CN 201911414280A CN 111029732 A CN111029732 A CN 111029732A
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- antenna
- tuning switch
- gnd
- frequency band
- antenna tuning
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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
- H01Q1/48—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
- H01Q1/12—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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
Abstract
The invention discloses an antenna device and handheld communication equipment, which are used for realizing multi-band debugging on a single antenna so as to improve the performance of the antenna. The antenna device of the embodiment of the invention comprises an antenna, a first GND, a second GND, a first antenna tuning switch and a second antenna tuning switch. Wherein the antenna is provided with a first ground port and a second ground port. The first ground port is electrically connected with a first GND through the first antenna tuning switch, and the second ground port is electrically connected with a second GND through the second antenna tuning switch. The first antenna tuning switch is used for debugging a first frequency band when the antenna carries out carrier aggregation, and the second antenna tuning switch is used for debugging a second frequency band when the antenna carries out carrier aggregation, wherein the second frequency band is higher than the first frequency band. Thus, the debugging of multiple frequency bands on the single antenna for carrier aggregation is realized, the structure of the antenna device is simplified, and the performance of the antenna can be improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an antenna device and a handheld communication device.
Background
With the reasons that handheld communication equipment needs to support more and more frequency bands, antenna routing space is smaller and smaller, and antenna environment is more and more complex, when carrier aggregation is generally realized, an antenna can be split into a low-frequency antenna and a medium-high frequency antenna. Moreover, since the low frequency is very low and the antenna is not well tuned, the general carrier aggregation scheme is also prone to be implemented by a single antenna for the low frequency antenna and another antenna for the medium and high frequency antennas.
According to the scheme, when the frequency debugging of carrier aggregation is carried out on the antenna, a tuning switch of the antenna is used for debugging medium and high frequencies. However, the antenna layout space of the conventional scheme is limited, which is not favorable for improving the performance of the antenna.
Disclosure of Invention
The invention aims to provide an antenna device and handheld communication equipment, which are used for realizing multi-band debugging on a single antenna so as to improve the performance of the antenna.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
an antenna device includes an antenna, a first GND, a second GND, a first antenna tuning switch, and a second antenna tuning switch;
the antenna is provided with a first grounding port and a second grounding port;
the first ground port is electrically connected with the first GND through the first antenna tuning switch;
the second ground port is electrically connected with the second GND through the second antenna tuning switch;
the first antenna tuning switch is used for debugging a first frequency band when the antenna carries out carrier aggregation;
the second antenna tuning switch is used for debugging a second frequency band when the antenna carries out carrier aggregation, and the second frequency band is higher than the first frequency band.
Optionally, the antenna device further comprises a PCB;
the first GND and the second GND are disposed on the PCB.
Optionally, the antenna device further includes a first elastic piece and a second elastic piece;
the first elastic sheet is electrically connected with the first grounding port and the first GND;
the second elastic sheet is electrically connected with the second grounding port and the second GND.
Optionally, the first elastic sheet is electrically connected to the first GND through the first antenna tuning switch;
the second elastic sheet is electrically connected with the second GND through the second antenna tuning switch.
Optionally, the first antenna tuning switch and the second antenna tuning switch are disposed on the PCB;
the first elastic sheet and the second elastic sheet are arranged on the PCB.
Optionally, the antenna is further provided with a feed port;
the PCB is provided with an RF main circuit, and the feed port is electrically connected with the RF main circuit.
Optionally, the antenna device further includes a third elastic sheet;
the third elastic sheet is electrically connected with the feeding port and the RF main circuit.
Optionally, the first antenna tuning switch is further configured to, when the antenna performs carrier aggregation, adjust a ground capacitance of the first antenna tuning switch after determining a ground matching state of the first antenna tuning switch, so as to debug the first frequency band;
the second antenna tuning switch is further configured to adjust a ground capacitance of the second antenna tuning switch to debug the second frequency band after determining a ground matching state of the second antenna tuning switch when the antenna performs carrier aggregation.
Optionally, the antenna is a main antenna or a diversity antenna.
In order to achieve the purpose, the embodiment of the invention also adopts the following technical scheme:
a handheld communication device includes an antenna device;
the antenna device is the antenna device as described above.
The invention has the beneficial effects that:
the antenna device of the embodiment of the invention comprises an antenna, a first GND, a second GND, a first antenna tuning switch and a second antenna tuning switch. Wherein the antenna is provided with a first ground port and a second ground port. The first ground port is electrically connected with a first GND through the first antenna tuning switch, and the second ground port is electrically connected with a second GND through the second antenna tuning switch. The first antenna tuning switch is used for debugging a first frequency band when the antenna carries out carrier aggregation, and the second antenna tuning switch is used for debugging a second frequency band when the antenna carries out carrier aggregation, wherein the second frequency band is higher than the first frequency band. Therefore, when the antenna carries out carrier aggregation, the first frequency band and the second frequency band can be debugged through the first antenna tuning switch and the second antenna tuning switch respectively, so that the debugging of multiple frequency bands on a single antenna carrying out carrier aggregation is realized, the structure of the antenna device is simplified, and the performance of the antenna can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an antenna device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an antenna device according to an embodiment of the present invention.
In the figure:
1. an antenna; 2. a first GND; 3. a second GND; 4. a first antenna tuning switch; 5. a second antenna tuning switch; 6. a first ground port; 7. a second ground port; 8. a feed port; 9. a PCB; 10. a first spring plate; 11. a second elastic sheet; 12. a third elastic sheet; 13. the RF main circuit.
Detailed Description
The embodiment of the invention provides an antenna device and handheld communication equipment, which are used for realizing multi-band debugging on a single antenna so as to improve the performance of an antenna 1.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 and 2, the antenna device according to the embodiment of the present invention includes an antenna 1, a first Ground (GND) 2, a second GND3, a first antenna tuning switch 4, and a second antenna tuning switch 5.
The antenna device is applied to handheld communication equipment, such as mobile phones, tablet computers and the like.
Optionally, the antenna 1 of the embodiment of the present invention may be a main antenna or a diversity antenna.
In an embodiment of the invention, the antenna 1 is provided with a first ground port 6 and a second ground port 7. Both the first ground port 6 and the second ground port 7 are used for grounding, and the first ground port 6 and the second ground port 7 may be implemented in the form of gold fingers.
The first ground port 6 is electrically connected to the first GND2 through the first antenna tuning switch 4. Thereby, grounding of the first ground port 6 is achieved and the frequency of the antenna 1 can be tuned by adjusting the first antenna tuning switch 4.
The second ground port 7 is electrically connected to the second GND3 through the second antenna tuning switch 5. Thereby, grounding of the second ground port 7 is achieved and the frequency of the antenna 1 can be tuned by adjusting the second antenna tuning switch 5.
Specifically, the first antenna tuning switch 4 is used to tune the first frequency band when the antenna 1 performs carrier aggregation. And the second antenna tuning switch 5 is used for debugging the second frequency band when the antenna 1 carries out carrier aggregation. The second frequency band is higher than the first frequency band. For example, the second frequency band is a medium-high frequency band, and the first frequency band is a low frequency band.
When the antenna device of the embodiment of the invention debugs the antenna 1, two frequency bands combined by the same Carrier Aggregation (CA) are taken as a combination to be debugged jointly, the low frequency band of the antenna 1 is debugged by setting different matching of the first antenna tuning switch 4, and the medium-high frequency of the antenna 1 is debugged by setting different matching of the second antenna tuning switch 5. Therefore, the antenna device of the embodiment of the invention can realize the debugging of multiple frequency bands only by one antenna 1 and two antenna 1 tuning switches. Therefore, the material cost is saved, and the low-frequency performance and the medium-high frequency performance in the same CA combination can be considered at the same time, so that the optimal performance of the antenna 1 in two frequency bands in the CA combination is realized, and the carrier aggregation on a single antenna is realized.
In one particular implementation, the antenna arrangement further includes a PCB 9. Wherein the first GND2 and the second GND3 are disposed on the PCB 9. Thus, the assembly of the antenna device can be facilitated.
It should be understood that the first GND2 and the second GND3 of the embodiment of the present invention may be connected to different floors, or may be connected to the same floor, and this is not particularly limited in the embodiment of the present invention.
There are various ways to electrically connect the first ground port 6 and the first GND2, for example, by a wire. There are various ways to electrically connect the second ground port 7 and the second GND3, for example, by a wire.
In some embodiments of the invention, the electrical connection of the first ground port 6 and the first GND2, and the electrical connection of the second ground port 7 and the second GND3 may be achieved through GND feedpoints.
The GND feed point can be implemented in various ways, for example, by a spring plate.
In a specific example, as shown in fig. 1 and 2, the antenna device further includes a first elastic sheet 10 and a second elastic sheet 11.
The first elastic sheet 10 is electrically connected with the first ground port 6 and the first GND2, and the second elastic sheet 11 is electrically connected with the second ground port 7 and the second GND 3.
In this way, since the first GND2 and the second GND3 are disposed on the PCB9, the first spring piece 10 and the second spring piece 11 can be deformed and can be electrically conductive, which is beneficial to electrically connecting the first GND2 and the first ground port 6 on a Printed Circuit Board (PCB) 9, and electrically connecting the second GND3 and the second ground port 7.
In order to facilitate the setting of the tuning switch of the antenna 1, optionally, the first elastic piece 10 is electrically connected to the first GND2 through the first antenna tuning switch 4, and the second elastic piece 11 is electrically connected to the second GND3 through the second antenna tuning switch 5.
Optionally, the first antenna tuning switch 4 and the second antenna tuning switch 5 are disposed on the PCB9, and the first resilient piece 10 and the second resilient piece 11 are disposed on the PCB 9. In other words, the first antenna tuning switch 4, the second antenna tuning switch 5, the first elastic sheet 10 and the second elastic sheet 11 are all fixedly connected with the PCB9, so that the first antenna tuning switch 4, the second antenna tuning switch 5, the first elastic sheet 10 and the second elastic sheet 11 are conveniently mounted, the integration of the antenna device is improved, and the assembly of the antenna device is convenient.
In the embodiment of the present invention, optionally, the antenna 1 is further provided with a feeding port 8, the PCB9 is provided with a RF main circuit 13, and the feeding port 8 is electrically connected to the Radio Frequency (RF) main circuit 13. In this way, the antenna 1 can feed back a signal onto the RF main circuit 13.
In order to facilitate the electrical connection of the feed port 8 and the RF main circuit 13, a signal feed point may be provided through which the electrical connection of the feed port 8 and the RF main circuit 13 is achieved. The signal feed point is, for example, a spring. Specifically, the antenna device further includes a third elastic piece 12, and the third elastic piece 12 electrically connects the feeding port 8 and the RF main circuit 13. The third elastic sheet 12 can deform and conduct electricity, so that the electric connection between the feed port 8 and the RF main circuit 13 is facilitated.
In some embodiments of the present invention, the third elastic sheet 12 may be disposed on the PCB9, thereby improving the integration of the antenna device and facilitating the assembly of the antenna device.
In the embodiment of the present invention, the first antenna tuning switch 4 may be used for tuning the first frequency band, and the second antenna tuning switch 5 may be used for tuning the second frequency band.
Specifically, the first antenna tuning switch 4 is further configured to, when the antenna 1 performs carrier aggregation, adjust a ground capacitance of the first antenna tuning switch 4 after determining a ground matching state of the first antenna tuning switch 4, so as to debug the first frequency band.
The second antenna tuning switch 5 is further configured to adjust a ground capacitance of the second antenna tuning switch 5 to debug the second frequency band after determining a ground matching state of the second antenna tuning switch 5 when the antenna 1 performs carrier aggregation.
In the antenna device according to the embodiment of the present invention, the first ground port 6, the first GND2, and the first antenna tuning switch 4 are electrically connected. The second ground port 7, the second GND3 and the second antenna tuning switch 5 are electrically connected. The second antenna tuning switch 5 is used for tuning a medium-high frequency when the antenna 1 performs carrier aggregation. The first antenna tuning switch 4 is used to tune a low frequency when the antenna 1 is performing carrier aggregation. During debugging, the two frequency bands of the same CA combination are taken as a combination to be jointly debugged, and the best performance of the antenna 1 in the two frequency bands of the CA combination is realized by setting different matching of the tuning switches of the two antennas 1, so that the carrier aggregation on a single antenna is realized. Like this, can be so that when carrying out the carrier polymerization on single antenna, low frequency performance and medium and high frequency performance can be compromise to same CA combination, avoided single antenna to carry out the split, can make antenna 1 performance obtain promoting to and, saved material cost.
In summary, the antenna apparatus of the embodiment of the present invention includes an antenna 1, a first GND2, a second GND3, a first antenna tuning switch 4, and a second antenna tuning switch 5. Wherein the antenna 1 is provided with a first ground port 6 and a second ground port 7. The first ground port 6 is electrically connected through the first antenna tuning switch 4 and the first GND 2. The second ground port 7 is electrically connected to the second GND3 through the second antenna tuning switch 5. The first antenna tuning switch 4 is used for debugging a first frequency band when the antenna 1 performs carrier aggregation, and the second antenna tuning switch 5 is used for debugging a second frequency band when the antenna 1 performs carrier aggregation, wherein the second frequency band is higher than the first frequency band. Thus, when the antenna 1 carries out carrier aggregation, the first frequency band and the second frequency band can be debugged through the first antenna tuning switch 4 and the second antenna tuning switch 5 respectively, so that multi-frequency band debugging on a single antenna carrying out carrier aggregation is realized, the structure of the antenna device is simplified, and the performance of the antenna 1 can be improved.
The embodiment of the invention also provides the handheld communication equipment which comprises the antenna device. The antenna device is the antenna device described in the above embodiments, for example, the antenna device shown in fig. 1 and fig. 2. For the specific implementation of the antenna device according to the embodiment of the present invention, reference may be made to the above detailed description, which is not repeated herein.
It should be understood that the handheld communication device of the embodiment of the present invention includes, but is not limited to, a mobile phone, a tablet computer, and the like.
In summary, the handheld communication device of the embodiment of the invention includes the antenna apparatus. The antenna device includes an antenna 1, a first GND2, a second GND3, a first antenna tuning switch 4, and a second antenna tuning switch 5. Wherein the antenna 1 is provided with a first ground port 6 and a second ground port 7. The first ground port 6 is electrically connected to the first GND2 through the first antenna tuning switch 4. The second ground port 7 is electrically connected to the second GND3 through the second antenna tuning switch 5. The first antenna tuning switch 4 is used for debugging a first frequency band when the antenna 1 performs carrier aggregation, and the second antenna tuning switch 5 is used for debugging a second frequency band when the antenna 1 performs carrier aggregation, wherein the second frequency band is higher than the first frequency band. Thus, when the antenna 1 carries out carrier aggregation, the first frequency band and the second frequency band can be debugged through the first antenna tuning switch 4 and the second antenna tuning switch 5 respectively, so that multi-frequency band debugging on a single antenna carrying out carrier aggregation is realized, the structure of the antenna device is simplified, and the performance of the antenna 1 can be improved.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An antenna device is characterized by comprising an antenna, a first GND, a second GND, a first antenna tuning switch and a second antenna tuning switch;
the antenna is provided with a first grounding port and a second grounding port;
the first ground port is electrically connected with the first GND through the first antenna tuning switch;
the second ground port is electrically connected with the second GND through the second antenna tuning switch;
the first antenna tuning switch is used for debugging a first frequency band when the antenna carries out carrier aggregation;
the second antenna tuning switch is used for debugging a second frequency band when the antenna carries out carrier aggregation, and the second frequency band is higher than the first frequency band.
2. The antenna device of claim 1,
the antenna device further comprises a Printed Circuit Board (PCB);
the first GND and the second GND are disposed on the PCB.
3. The antenna device according to claim 2,
the antenna device further comprises a first elastic sheet and a second elastic sheet;
the first elastic sheet is electrically connected with the first grounding port and the first GND;
the second elastic sheet is electrically connected with the second grounding port and the second GND.
4. The antenna device according to claim 3,
the first elastic sheet is electrically connected with the first GND through the first antenna tuning switch;
the second elastic sheet is electrically connected with the second GND through the second antenna tuning switch.
5. The antenna device according to claim 4,
the first antenna tuning switch and the second antenna tuning switch are arranged on the PCB;
the first elastic sheet and the second elastic sheet are arranged on the PCB.
6. The antenna device according to claim 2,
the antenna is also provided with a feed port;
the PCB is provided with a Radio Frequency (RF) main circuit, and the feed port is electrically connected with the RF main circuit.
7. The antenna device according to claim 6,
the antenna device further comprises a third elastic sheet;
the third elastic sheet is electrically connected with the feeding port and the RF main circuit.
8. The antenna device of claim 1,
the first antenna tuning switch is further configured to adjust a ground capacitance of the first antenna tuning switch to debug the first frequency band after determining a ground matching state of the first antenna tuning switch when the antenna performs carrier aggregation;
the second antenna tuning switch is further configured to adjust a ground capacitance of the second antenna tuning switch to debug the second frequency band after determining a ground matching state of the second antenna tuning switch when the antenna performs carrier aggregation.
9. The antenna device of claim 1,
the antenna is a main antenna or a diversity antenna.
10. A handheld communications device comprising an antenna means;
the antenna device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414280.XA CN111029732A (en) | 2019-12-31 | 2019-12-31 | Antenna device and handheld communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414280.XA CN111029732A (en) | 2019-12-31 | 2019-12-31 | Antenna device and handheld communication equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111029732A true CN111029732A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201911414280.XA Pending CN111029732A (en) | 2019-12-31 | 2019-12-31 | Antenna device and handheld communication equipment |
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| Country | Link |
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| CN (1) | CN111029732A (en) |
Cited By (3)
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| CN111430940A (en) * | 2020-04-23 | 2020-07-17 | 维沃移动通信有限公司 | Antenna structure and electronic equipment |
| CN112039540A (en) * | 2020-07-27 | 2020-12-04 | 广东以诺通讯有限公司 | Circuit for reducing interference of main radio frequency to GPS |
| CN112134627A (en) * | 2020-09-23 | 2020-12-25 | 努比亚技术有限公司 | Antenna tuning method, device and computer readable storage medium |
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Application publication date: 20200417 |
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