CN107369923B - Antenna assembly and terminal - Google Patents
Antenna assembly and terminal Download PDFInfo
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- CN107369923B CN107369923B CN201710481370.5A CN201710481370A CN107369923B CN 107369923 B CN107369923 B CN 107369923B CN 201710481370 A CN201710481370 A CN 201710481370A CN 107369923 B CN107369923 B CN 107369923B
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- antenna
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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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
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Abstract
The present disclosure relates to an antenna assembly and a terminal, the antenna assembly including: the antenna comprises a metal area, a first grounding point, a second grounding point, a feed point and a first open end, wherein the metal area is provided with the first grounding point, the second grounding point, the feed point and the first open end; a first end of the antenna area is connected with the second grounding point, a second end of the antenna area is connected with the feed point in series through a capacitor, and a third end of the antenna area is a second open end; wherein a metal region between the first ground point and the first open end is part of a first antenna; an antenna area between the second ground point and the second open end is part of a second antenna, and an antenna area between the feed point and the second open end is part of a third antenna. According to the technical scheme, the three antennas can be arranged on a small enough area, and the contradiction between the requirement on the number of the antennas and the fact that the terminal is more and more compact is solved.
Description
Technical Field
The present disclosure relates to the field of antenna design, and in particular, to an antenna assembly and a terminal.
Background
With the development of communication technology, the requirements of multiple frequency bands and multiple antennas are higher and higher, and meanwhile, the structure of the terminal is more and more compact, so how to use the existing structure to make as many antenna frequency bands as possible becomes more and more realistic requirement.
Disclosure of Invention
The disclosed embodiment provides an antenna assembly and a terminal. The technical scheme is as follows:
according to a first aspect of embodiments of the present disclosure, there is provided an antenna assembly comprising:
the antenna comprises a metal area, a first grounding point, a second grounding point, a feed point and a first open end, wherein the metal area is provided with the first grounding point, the second grounding point, the feed point and the first open end;
a first end of the antenna area is connected with the second grounding point, a second end of the antenna area is connected with the feed point in series through a capacitor, and a third end of the antenna area is a second open end;
wherein a metal region between the first ground point and the first open end is part of a first antenna; an antenna area between the second ground point and the second open end is part of a second antenna, and an antenna area between the feed point and the second open end is part of a third antenna.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in the embodiment, the grounding point, the open end, the feed point and the capacitor are arranged in the metal area and the antenna area, the feed point and the open end are shared to compactly form the first antenna, the second antenna and the third antenna in the antenna assembly, the second end of the antenna area is connected with the feed point in series through the capacitor to feed the three antennas of the antenna assembly in a coupling manner, so that coverage of each frequency band of the three antennas is realized, the three antennas can be arranged in a small enough area, and the contradiction between the requirement on the number of the antennas and the compactness of the terminal is solved.
In one embodiment, the metal region comprises a portion of a metal bezel of the terminal.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: according to the embodiment, a part of the metal frame of the terminal can be used as a metal area, the existing metal frame is used as an antenna, and the occupied space of the antenna is reduced.
In one embodiment, the metal region comprises a portion of a metal shell of the terminal.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: according to the embodiment, a part of the metal shell of the terminal can be used as a metal area, the existing metal shell is used as an antenna, and the occupied space of the antenna is reduced.
In one embodiment, the second open end is located at an end of the antenna area furthest from the first open end.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in this embodiment, the second open end may be disposed at an end of the antenna region farthest from the first open end, so as to ensure the performance of the three antennas, and enable the three antennas to work better.
In one embodiment, the first ground point is located between the feed point and the second ground point.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in this embodiment, the first grounding point may be disposed between the feeding point and the second grounding point, so that the magnetic field formed in the antenna region may well excite the first antenna to feed the first antenna.
In one embodiment, the capacitance is a first capacitance value, and the distance between the feed point and the second open end is a first distance, wherein the first capacitance value and the first distance are determined by a frequency of the third antenna.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the present embodiment may determine the first capacitance value and the first distance according to the frequency of the third antenna, so that the third antenna may work well.
In one embodiment, the first capacitance value comprises 1PF or less.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in this embodiment, the first capacitance value is less than or equal to 1PF, and may be coupled with the feed point to supply power to the antenna in the antenna assembly.
In one embodiment, the first antenna is a GPS antenna, the second antenna is a 2.4GHz antenna, and the third antenna is a 5GHz antenna.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: in this embodiment, the three antennas may be three commonly used antennas, i.e., a GPS antenna, a 2.4GHz antenna, and a 5GHz antenna, so that the antenna assembly may be used in a wider variety of terminals, and is widely applicable.
In one embodiment, the metal region and the antenna region are located at one corner of the terminal.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the antenna assembly can be arranged at one corner of the terminal, and the contradiction between the requirement on the number of the antennas and the fact that the terminal is more and more compact is solved.
According to a second aspect of embodiments of the present disclosure, there is provided a terminal including any one of the antenna assemblies described above.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a block diagram illustrating an antenna assembly in accordance with an exemplary embodiment.
Figure 2 is a graph illustrating reflection loss for a simulated triad antenna according to an exemplary embodiment.
Fig. 3 is a block diagram illustrating an apparatus incorporating the antenna assembly described above, according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a block diagram illustrating an antenna assembly, which may be disposed in a terminal or the like, as shown in fig. 1, according to an exemplary embodiment, including: a metal area 11 and an antenna area 12.
Referring to fig. 1, a first grounding point 111, a second grounding point 112, a feeding point 113 and a first open end 114 are disposed on the metal region 11; a first end 121 of the antenna area 12 is connected to the second grounding point 112, a second end 122 of the antenna area 12 is connected in series to the feeding point 113 through a capacitor 123, and a third end 124 of the antenna area 12 is a second open end; a metal region between the first grounding point 111 and the first open end 114 is a part of the first antenna; the antenna area between the second ground point 112 and the second open end, i.e. the third end 124 of the antenna area 12, is part of the second antenna and the antenna area between the feed point 113 and the second open end, i.e. the third end 124 of the antenna area 12, is part of the third antenna, where the second antenna and the third antenna share the second open end.
Referring to fig. 1, in the present embodiment, a feeding point 113 is connected in series at the second end 122 of the antenna area 12 through a capacitor 123 to feed the second antenna and the third antenna in the antenna assembly in a coupled manner, and a magnetic field formed by the antenna area 12 may excite a magnetic field formed by the metal area 11 to feed the first antenna on the metal area 11 in a coupled manner.
In the embodiment, the grounding point, the open end, the feed point and the capacitor are arranged in the metal area and the antenna area, the feed point and the open end are shared to compactly form the first antenna, the second antenna and the third antenna in the antenna assembly, the second end of the antenna area is connected with the feed point in series through the capacitor to feed the three antennas of the antenna assembly in a coupling manner, so that coverage of each frequency band of the three antennas is realized, the three antennas can be arranged in a small enough area, and the contradiction between the requirement on the number of the antennas and the compactness of the terminal is solved.
In a possible embodiment, said metal area 11 comprises a portion of the metal rim of the terminal.
Referring to fig. 1, when the terminal is a terminal having a metal frame, a portion of the metal frame of the terminal may be selected as a metal area, where the metal area needs to have a first open end, the first open end is floating, and a first grounding point, and the portion of the metal area between the first grounding point and the first open end is a portion of the first antenna.
According to the embodiment, a part of the metal frame of the terminal can be used as a metal area, the existing metal frame is used as an antenna, and the occupied space of the antenna is reduced.
In one possible embodiment, the metal region 11 comprises a portion of the metal shell of the terminal.
When the terminal is a terminal having a metal housing, a portion of the metal housing of the terminal may be selected as a metal area, where the metal area needs to have a first open end, the first open end is suspended, and a first grounding point, and the portion of the metal area between the first grounding point and the first open end is a portion of the first antenna.
According to the embodiment, a part of the metal shell of the terminal can be used as a metal area, the existing metal shell is used as an antenna, and the occupied space of the antenna is reduced.
In one possible embodiment, the second open end is located at an end of the antenna area furthest from the first open end.
Here, the second open end common to the second antenna and the third antenna is far enough from the first open end of the first antenna to prevent the two open ends from interfering with each other, so as to ensure the performance of the three antennas, and therefore, the second open end, i.e., the third end 124 of the antenna region 12, needs to be disposed at the end of the antenna region farthest from the first open end 114.
In this embodiment, the second open end may be disposed at an end of the antenna region farthest from the first open end, so as to ensure the performance of the three antennas, and enable the three antennas to work better.
In one possible embodiment, the first ground point is located between the feed point and the second ground point.
Here, referring to fig. 1, the first grounding point 111 is located between the feeding point 113 and the second grounding point 112, so that the magnetic field formed by the second antenna between the feeding point 113 and the second grounding point 112 can well excite the magnetic field formed by the first antenna between the first grounding point 111 and the first open end to feed the first antenna.
In this embodiment, the first grounding point may be disposed between the feeding point and the second grounding point, so that the magnetic field formed in the antenna region may well excite the first antenna to feed the first antenna.
In one possible embodiment, the size of the capacitor 123 is a first capacitance value, and the distance between the feed point 113 and the second open end, i.e. the third end 124 of the antenna area 12, is a first distance, wherein the first capacitance value and the first distance are determined by the frequency of the third antenna.
Here, the first capacitance value and the first distance may be determined by a frequency of the third antenna, where the first distance and the first capacitance value may be adjusted, the first capacitance value may be adjusted to be smaller when the first distance is adjusted to be larger, and the first capacitance value may be adjusted to be larger when the first distance is adjusted to be smaller. The position of the feed point and the capacitance value of the capacitor ensure that the third antenna can operate well at the corresponding frequency,
the present embodiment may determine the first capacitance value and the first distance according to the frequency of the third antenna, so that the third antenna may work well.
In one possible embodiment, the first capacitance value comprises 1PF or less.
In this embodiment, the first capacitance value is less than or equal to 1PF, and may be coupled with the feed point to supply power to the antenna in the antenna assembly.
In one possible embodiment, the first antenna is a GPS antenna, the second antenna is a 2.4GHz antenna, and the third antenna is a 5GHz antenna.
The three antennas of the antenna assembly provided in this embodiment may be antennas of three different frequency bands, and this implementation may select an antenna that is widely used in the terminal: the 2.4GHz antenna, the 5GHz antenna and the GPS antenna are used as three antennas of the antenna component of the terminal; the antenna assembly provided by the embodiment can be used more widely. Here, the 2.4GHz antenna covers far, the signal is strong, but since many household appliances use this frequency, so it is easy to interfere, and the 5G coverage is small, but it is not easy to interfere, the signal is clean and fast, the GPS antenna is used to receive satellite signal, and it is also a general antenna, and the three antennas are taken as three antennas in the antenna assembly provided by this embodiment, so a compact three-in-one antenna of GPS antenna, 2.4GHz antenna and 5GHz antenna is realized.
For example, fig. 2 is a reflection loss graph of a simulated three-in-one antenna according to an exemplary embodiment, where a horizontal axis in fig. 2 is frequency and a vertical axis is a reflection loss value, and as can be seen from fig. 2, reflection losses at corresponding frequencies of a GPS antenna (about 1.45 GHz), a 2.4GHz antenna, and a 5GHz antenna are all small, which indicates that the GPS antenna, the 2.4GHz antenna, and the 5GHz antenna provided according to the present embodiment can obtain good signals and have good antenna performance.
In this embodiment, the three antennas may be three commonly used antennas, i.e., a GPS antenna, a 2.4GHz antenna, and a 5GHz antenna, so that the antenna assembly may be used in a wider variety of terminals, and is widely applicable.
In one possible embodiment, the metal region and the antenna region are located at one corner of the terminal.
The antenna assembly can be arranged at one corner of the terminal, and the contradiction between the requirement on the number of the antennas and the fact that the terminal is more and more compact is solved.
Fig. 3 is a block diagram illustrating an apparatus incorporating the antenna assembly described above, the apparatus being suitable for use in a terminal device, according to an exemplary embodiment. For example, the apparatus 300 may be a mobile phone, a game console, a computer, a tablet device, a personal digital assistant, and the like.
The apparatus 300 may include one or more of the following components: processing component 301, memory 302, power component 303, multimedia component 304, audio component 305, input/output (I/O) interface 306, sensor component 307, and communication component 308.
The processing component 301 generally controls the overall operation of the device 300, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 301 may include one or more processors 320 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 301 may include one or more modules that facilitate interaction between the processing component 301 and other components. For example, the processing component 301 may include a multimedia module to facilitate interaction between the multimedia component 304 and the processing component 301.
The memory 302 is configured to store various types of data to support operations at the apparatus 300. Examples of such data include instructions for any application or method operating on device 300, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 302 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power supply component 303 provides power to the various components of the device 300. The power components 303 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 300.
The multimedia component 304 includes a screen that provides an output interface between the device 300 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 304 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the device 300 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 305 is configured to output and/or input audio signals. For example, the audio component 305 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 300 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 302 or transmitted via the communication component 308. In some embodiments, the audio assembly 305 also includes a speaker for outputting audio signals.
The I/O interface 306 provides an interface between the processing component 301 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 307 includes one or more sensors for providing various aspects of status assessment for the device 300. For example, the sensor component 307 may detect an open/closed state of the device 300, the relative positioning of components, such as a display and keypad of the device 300, the sensor component 307 may also detect a change in the position of the device 300 or a component of the device 300, the presence or absence of user contact with the device 300, the orientation or acceleration/deceleration of the device 300, and a change in the temperature of the device 300. The sensor component 307 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 307 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 307 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 308 is configured to facilitate communication between the apparatus 300 and other devices in a wired or wireless manner. The device 300 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof, through the antenna assembly described above. In an exemplary embodiment, the communication component 308 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 308 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 300 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 302 comprising instructions, executable by the processor 320 of the apparatus 300 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (7)
1. An antenna assembly, comprising:
the antenna comprises a metal area, a first grounding point, a second grounding point, a feed point and a first open end, wherein the metal area is provided with the first grounding point, the second grounding point, the feed point and the first open end;
a first end of the antenna area is connected with the second grounding point, a second end of the antenna area is connected with the feed point in series through a capacitor, and a third end of the antenna area is a second open end;
wherein the first ground point is located between the feed point and the second ground point, and a metal region between the first ground point and the first open end is part of a first antenna; an antenna area between the second ground point and the second open end is part of a second antenna, and an antenna area between the feed point and the second open end is part of a third antenna; a second end of the antenna area is connected with a feed point in series through a capacitor to feed the second antenna and the third antenna in the antenna assembly in a coupling manner, and a magnetic field formed by the antenna area excites a magnetic field formed by the metal area to feed the first antenna on the metal area in a coupling manner;
when the terminal is a terminal with a metal frame, the metal area comprises a part of the metal frame of the terminal; when the terminal is a terminal having a metal housing, the metal region comprises a portion of the metal housing of the terminal.
2. The antenna assembly of claim 1,
the second open end is located at an end of the antenna region that is farthest from the first open end.
3. The antenna assembly of claim 1,
the size of the capacitor is a first capacitance value, and the distance between the feed point and the second open end is a first distance, wherein the first capacitance value and the first distance are determined by the frequency of the third antenna.
4. The antenna assembly of claim 3,
the first capacitance value is less than or equal to 1 PF.
5. The antenna assembly of claim 1,
the first antenna is a GPS antenna, the second antenna is a 2.4GHz antenna, and the third antenna is a 5GHz antenna.
6. The antenna assembly of any one of claims 1 to 5,
the metal region and the antenna region are located at one corner of the terminal.
7. A terminal, characterized in that it comprises an antenna component according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710481370.5A CN107369923B (en) | 2017-06-22 | 2017-06-22 | Antenna assembly and terminal |
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| CN201710481370.5A CN107369923B (en) | 2017-06-22 | 2017-06-22 | Antenna assembly and terminal |
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| CN107369923A CN107369923A (en) | 2017-11-21 |
| CN107369923B true CN107369923B (en) | 2022-05-03 |
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| CN201710481370.5A Active CN107369923B (en) | 2017-06-22 | 2017-06-22 | Antenna assembly and terminal |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149069A (en) * | 2018-08-12 | 2019-01-04 | 瑞声科技（南京）有限公司 | AOG antenna system and mobile terminal |
| CN109273843B (en) * | 2018-09-19 | 2020-12-25 | 深圳市泰衡诺科技有限公司 | Antenna and mobile terminal |
| CN111262016B (en) * | 2018-11-30 | 2022-12-09 | 北京小米移动软件有限公司 | Antenna and mobile terminal |
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|---|---|---|---|---|
| CN203536554U (en) * | 2013-09-16 | 2014-04-09 | 中兴通讯股份有限公司 | Metal frame antenna |
| CN106058436A (en) * | 2016-08-04 | 2016-10-26 | 北京小米移动软件有限公司 | Antenna module and electronic equipment |
| CN106876891A (en) * | 2016-12-29 | 2017-06-20 | 努比亚技术有限公司 | A kind of antenna, mobile terminal and its control method |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203536554U (en) * | 2013-09-16 | 2014-04-09 | 中兴通讯股份有限公司 | Metal frame antenna |
| CN106058436A (en) * | 2016-08-04 | 2016-10-26 | 北京小米移动软件有限公司 | Antenna module and electronic equipment |
| CN106876891A (en) * | 2016-12-29 | 2017-06-20 | 努比亚技术有限公司 | A kind of antenna, mobile terminal and its control method |
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