CN113708093B - Antenna structure and electronic equipment - Google Patents
Antenna structure and electronic equipment Download PDFInfo
- Publication number
- CN113708093B CN113708093B CN202010443711.1A CN202010443711A CN113708093B CN 113708093 B CN113708093 B CN 113708093B CN 202010443711 A CN202010443711 A CN 202010443711A CN 113708093 B CN113708093 B CN 113708093B
- Authority
- CN
- China
- Prior art keywords
- radiator
- antenna structure
- tuning unit
- tuning
- switching circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims description 27
- 230000005855 radiation Effects 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
-
- 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
- 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
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present disclosure relates to an antenna structure and an electronic device. The antenna structure comprises: a first radiator, a second radiator, and an antenna slot between the first radiator and the second radiator; a feed point connected to the first radiator; a ground point connected to the second radiator; the tuning circuit comprises a first tuning unit, one end of the first tuning unit is connected between the second radiator and the grounding point, the other end of the first tuning unit is connected between the feed point and the first radiator, the first tuning unit comprises a plurality of tuning states, and inductance values of the first tuning unit connected to the second radiator in each tuning state are different.
Description
Technical Field
The disclosure relates to the technical field of terminals, and in particular relates to an antenna structure and electronic equipment.
Background
With the development of communication technology, the fifth data communication has the characteristics of stability, reliability, low delay and the like, which are not possessed by the fourth data communication.
In order to realize 5G communication of electronic devices, a 5G antenna for radiating 5G frequency band signals needs to be configured in the electronic devices, and based on the current development trend of the electronic devices such as full-screen and thin size, how to combine the beauty and the antenna has become a great challenge for technicians.
Disclosure of Invention
The present disclosure provides an antenna structure and an electronic device to solve the deficiencies in the related art.
According to a first aspect of embodiments of the present disclosure, there is provided an antenna structure comprising:
a first radiator, a second radiator, and an antenna slot between the first radiator and the second radiator;
a feed point connected to the first radiator;
a ground point connected to the second radiator;
the tuning circuit comprises a first tuning unit, one end of the first tuning unit is connected between the second radiator and the grounding point, the other end of the first tuning unit is connected between the feed point and the first radiator, the first tuning unit comprises a plurality of tuning states, and inductance values of the first tuning unit connected to the second radiator in each tuning state are different.
Optionally, the antenna structure further includes a metal plate, where the metal plate is connected to both the first radiator and the second radiator, and the metal plate, the first radiator, and the second radiator enclose a clearance area;
the first tuning unit is used for adjusting the radiation frequency band of the annular antenna formed by the metal plate, the first radiator and the second radiator.
Optionally, the first tuning unit includes a first switching circuit and a single first inductance, and the first switching circuit is connected in parallel with the single first inductance.
Optionally, the first tuning unit includes a first switch circuit and a plurality of first inductors, where the first switch circuit includes an off state and a plurality of on states, and an inductance value of the first inductor connected in series with the first switch circuit in each on state is different.
Optionally, the tuning circuit further includes a second tuning unit, where the second tuning unit is connected in series between the second radiator and the ground point, and the second tuning unit is used to adjust a radiation frequency band of the second radiator.
Optionally, the second tuning unit includes a second switching circuit and a single second inductance, and the second switching circuit is connected in parallel with the single second inductance.
Optionally, the second tuning unit includes a second switch circuit and a plurality of second inductors, where the second switch circuit includes an off state and a plurality of on states, and an inductance value of the second inductor connected in series with the second switch circuit in each on state is different.
Optionally, a distance between a connection position on the first radiator connected with the feed point and a grounding position of the first radiator is related to a radiation frequency band of the radiator between the connection position and the grounding position.
Optionally, the antenna structure further comprises a matching circuit, the matching circuit comprising at least one of:
a first capacitor connected in series between the first radiator and the feed point;
one end of the second capacitor is connected between the feed point and the first radiator, and the other end of the second capacitor is grounded;
and one end of the third inductor is connected between the feed point and the first radiator, and the other end of the third inductor is grounded.
According to a second aspect of embodiments of the present disclosure, there is provided an electronic device comprising an antenna structure according to any one of the embodiments described above.
Optionally, the electronic device includes a metal frame, where the metal frame is used to form the first radiator, the second radiator, and the antenna slot;
the first radiator and the second radiator are positioned at the same edge of the metal frame body, or the first radiator and the second radiator are positioned at adjacent edges of the metal frame body.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
according to the embodiment, when the antenna structure provided in the disclosure is configured in the electronic device, the adjustment of the radiation frequency bands can be realized through the tuning action of the first tuning unit, and the arrangement of special radiators for each frequency band in the electronic device is avoided, so that the occupation of the internal space of the electronic device can be reduced, and the full-network coverage of the electronic device to the current 2G signal-5G signal is facilitated.
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 disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is one of schematic structural diagrams of an antenna structure according to an exemplary embodiment.
Fig. 2 is a second schematic diagram of an antenna structure according to an exemplary embodiment.
Fig. 3 is a third schematic diagram of an antenna structure according to an exemplary embodiment.
Fig. 4 is a schematic diagram of an antenna structure according to an exemplary embodiment.
Fig. 5 is a schematic diagram of an antenna structure according to an exemplary embodiment.
Fig. 6 is a schematic diagram of an antenna structure according to an exemplary embodiment.
Fig. 7 is a return loss plot of an antenna structure according to an example embodiment.
Fig. 8 is a diagram of a seventh configuration of an antenna structure according to an exemplary embodiment.
Fig. 9 is a schematic diagram of an electronic device according to an exemplary embodiment.
Fig. 10 is a schematic view showing a structure of a metal frame according to an exemplary embodiment.
Fig. 11 is a schematic structural view of another metal frame shown according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
Fig. 1 is a schematic diagram of an antenna structure 100 according to an exemplary embodiment. As shown in fig. 1, the antenna structure 100 may include a first radiator 1, a second radiator 2, and an antenna slot 3 between the first radiator 1 and the second radiator 2, where the first radiator 1 and the second radiator 2 are made of metal materials, so as to radiate an antenna signal of the antenna structure 100, and the antenna slot 3 may be filled with a non-metal material or may not be filled with a non-metal material, which is not limited in this disclosure. The antenna structure 100 may further comprise a feed point 4, which feed point 4 may be connected to the first radiator 1 for feeding the antenna signal, a ground point GND, which may be connected to the second radiator 2, and a tuning circuit 5, which may be used for adjusting the radiation frequency band of the antenna structure 100. Specifically, the tuning circuit 5 may include a first tuning unit 51, one end of the first tuning unit 51 may be connected to the second radiator 2, and the other end of the first tuning unit 51 may be connected between the feed point 4 and the first radiator 1, where the first tuning unit 51 may include multiple tuning states, and in each tuning state, the inductance value of the second radiator 2 is different, so that a radiation frequency band covered by the antenna structure 100 may be implemented. Based on this, when the antenna structure 100 is configured in the electronic device, the adjustment of the radiation frequency bands can be achieved through the tuning action of the first tuning unit 51, and the setting of a special radiator for each frequency band in the electronic device is avoided, so that the occupation of the internal space of the electronic device can be reduced, and the full-network coverage of the electronic device to the current 2G signal-5G signal is facilitated.
In this embodiment, the antenna structure 100 may include a laser-molded antenna, or the antenna structure 100 may also include an FPC antenna, or the antenna structure 100 may also include a metal bezel antenna. Still referring to fig. 1, taking the antenna structure 100 as an example of a metal frame antenna, the antenna structure 100 may further include a metal plate 6, where the metal plate 6 is connected to the first radiator 1 and the second radiator 2, a clearance area may be enclosed by the metal plate 6, the first radiator 1 and the second radiator 2, and the first tuning unit 51 may be used to adjust a radiation frequency band of the loop antenna formed by the metal plate 6, the first radiator 1 and the second radiator 2.
In the above embodiments, as shown in fig. 2, the tuning circuit 5 may further include a second tuning unit 52, and the second tuning unit 52 is connected in series between the ground GND and the second radiator 2, and may be used to adjust the radiation frequency band of the second radiator 2 through the second tuning unit 52. For example, in one case, the second tuning unit 52 may implement the second radiating unit 2 to radiate signals between 2.3GH and 3.8GH, and the first tuning unit 51 may implement the antenna structure 100 to radiate signals between 1.7GH and 2.7GH, so that the antenna structure 100 may cover the N1, N3, N41, and N78 frequency bands, and thus the electronic device configured with the antenna structure 100 may support 5G independent networking and 5G independent networking, so as to implement dual mode processing of the electronic device, so that the electronic device may adapt to a transition from 4G communication to 5G communication, and simultaneously meet a development trend of accessing to 5G independent networking in the future.
Further, in order to enrich the coverage of the 5G frequency band by the antenna structure 100, as shown in fig. 1 and 2, the first radiator 1 may be used to radiate antenna signals in the N79 frequency band. Specifically, the radiation frequency band of the radiator between the connection position between the feed point 4 and the first radiator 1 and the ground position can be adjusted by adjusting the distance between the connection position between the feed point 4 and the first radiator 1 and the ground position of the first radiator 1. As shown in fig. 1 and 2, the radiation frequency band of the radiator between the point a and the point B (the grounding position of the first radiator 1) can be adjusted by adjusting the position of the point a. In an embodiment, the position of the point a may be adjusted, so that a partial area of the first radiator 1 may be used to radiate a radiation signal in the range of 4.4GHz-5GHz, so that the antenna structure 100 may cover 79 frequency bands, and full coverage of the antenna structure 100 to 5G frequency bands is achieved.
For the purpose of detailed description of the present disclosure, specific circuits of the first tuning unit 51 and the second tuning unit 52 in the above-described respective embodiments will be described below.
In an embodiment, as shown in fig. 3, the first tuning unit 51 may include a first switching circuit 511 and a single first inductor 512, and the single first inductor 512 may be connected in parallel with the first switching circuit 511, where the first inductor 512 is short-circuited when the first switching circuit 511 is in a closed state, and the first inductor 512 is connected in series between the first radiator 1 and the second radiator 2 when the first switching circuit 511 is in an open state. Therefore, the inductance value of the access loop antenna can be adjusted, and the coverage frequency band of the loop antenna can be adjusted.
In another embodiment, as shown in fig. 4, the first tuning unit 51 may include a first switch circuit 511 and a plurality of first inductors 512, where the first switch circuit 511 may include an off state and a plurality of on states, and in each on state, an inductance value of the first inductor 512 connected in series with the first switch circuit 511 is different, so that adjustment of a coverage frequency band of the loop antenna may be achieved. As shown in fig. 4, the first tuning unit 51 may include three first inductors 512, and the inductance values of the three first inductors 512 are not equal. Of course, only the first tuning unit 51 may include three first inductors 512 is described herein as an example, and in other embodiments, two, or four or more first inductors 512 may be designed in the first tuning unit 51 according to design requirements, which is not limited by the present disclosure.
With respect to the second tuning unit 52, as also shown in fig. 3 and 4, the second tuning unit 51 may comprise a second switching circuit 521 and a single second inductance 522, which single second inductance 522 may be connected in parallel with the second switching circuit 521, the second inductance 522 being short-circuited when the second switching circuit 521 is in the closed state and the second inductance 522 being connected in series with the second radiator 2 when the second switching circuit 521 is in the open state. Therefore, the inductance value of the second radiator 2 can be adjusted, and the coverage frequency band of the second radiator 2 can be adjusted.
In another case, as shown in fig. 5, the second tuning unit 52 may include a second switching circuit 521 and a plurality of second inductors 522, where the second switching circuit 521 may include an off state and a plurality of on states, and in each on state, an inductance value of the second inductor 522 connected in series with the second switching circuit 521 is different, so that adjustment of the coverage frequency band of the second radiator 2 may be achieved. As shown in fig. 5, the second tuning unit 52 may include four second inductors 522, and the inductance values of the four second inductors 522 are not equal. Of course, only the second tuning unit 52 may include four second inductors 522 is described herein as an example, and in other embodiments, two, or three or more second inductors 522 may be designed in the second tuning unit 52 according to design requirements, which is not limited by the present disclosure. In yet another case, as shown in fig. 6, the first tuning unit 51 may also include a single first inductor 512, and the second tuning unit 52 may include a plurality of second inductors 522.
Further, a return loss graph of the antenna structure 100 as shown in fig. 7 can be obtained based on the above embodiments. As shown in fig. 7, the abscissa indicates frequency, and the ordinate indicates callback loss when the first tuning unit 51 and the second tuning unit 52 are connected to different inductances. Taking the example that the first inductor 512 connected to the first tuning unit 51 is shown as L1, and the second inductor 522 connected to the second tuning unit 52 is shown as L2, curves S1, S2, S3, S4 and S5 in fig. 7 are respectively corresponding to the inductance parameters and the radiation frequency band table 1:
| Curve | L1(nH) | L2(nH) | covering frequency band |
| S1 | 10 | 20 | N1、N41、N79 |
| S2 | 10 | 2 | N1、N78、N79 |
| S3 | NM | 2 | N3、N78、N79 |
| S4 | 2 | 2 | N41、N78、N79 |
| S5 | NM | 20 | N3、N41、N79 |
Table 1
Where NM denotes that the first switch circuit 511 is in an off state.
As shown in table 1 and fig. 7, when l1=10nh and l2=20nh, a return loss curve S1 of the antenna structure 100 shown in fig. 7 can be obtained, and as shown in the curve S1, resonance is formed between 1.9GHz and 2.2GHz, resonance is formed between 2.5GHz and 2.8GHz, and resonance is also formed between 4.5GHz and 4.9GHz, so that when the tuning circuit of the antenna structure 100 is switched to adopt the inductance parameters corresponding to the curve S1, the antenna structure 100 can cover the frequency bands of N1, N41 and N79.
When l1=10nh, l2=2nh, the return loss curve S2 of the antenna structure 100 as shown in fig. 7 can be obtained, and the radiation frequency band of the second radiator 2 is changed with respect to the curve S1, as shown in the curve S2, resonance is formed between 1.9GHz-2.2GHz, resonance is formed between 3.4GHz-3.7GHz, and resonance is also formed between 4.5GHz-4.9GHz, so that when the tuning circuit of the antenna structure 100 is switched to adopt the inductance parameter corresponding to the curve S2, the antenna structure 100 can cover the frequency bands of N1, N78, N79.
When L1 is not connected to the tuning circuit 5, l2=2nh, a return loss curve S3 of the antenna structure 100 as in fig. 7 can be obtained, and the inductance value of the first inductance L1 is changed with respect to the curve S2, so that the radiation frequency band of the loop antenna can be adjusted. As shown in the curve S3, resonance is formed between 1.7GHz and 1.9GHz, between 2.5GHz and 2.8GHz, and between 4.5GHz and 4.9GHz, so that when the tuning circuit of the antenna structure 100 is switched to adopt the inductance parameter corresponding to the curve S3, the antenna structure 100 can cover the frequency bands of N3, N78, and N79.
When l1=2nh, l2=2nh, a return loss curve S4 of the antenna structure 100 as in fig. 7 can be obtained, and the inductance value of the first inductance L1 is changed with respect to the curve S3, so that the radiation frequency band of the loop antenna can be adjusted. As shown in the curve S4, resonance is formed between 2.4GHz-2.7GHz, between 2.5GHz-2.8GHz, and between 4.5GHz-4.9GHz, so that when the tuning circuit of the antenna structure 100 is switched to adopt the inductance parameter corresponding to the curve S3, the antenna structure 100 can cover the frequency bands of N41, N78, and N79.
When L1 is not connected to the tuning circuit 5, l2=20nh, a return loss curve S5 of the antenna structure 100 as in fig. 7 can be obtained, and the inductance value of the first inductance L1 is changed with respect to the curve S1, so that the radiation frequency band of the loop antenna can be adjusted. As shown in the curve S5, resonance is formed between 1.7GHz-1.9GHz, resonance is formed between 2.5GHz-2.7GHz, and resonance is also formed between 4.5GHz-4.9GHz, so that when the tuning circuit of the antenna structure 100 is switched to adopt the inductance parameter corresponding to the curve S3, the antenna structure 100 can cover the frequency bands of N3, N41, and N79.
According to the technical solution of the present disclosure, as shown in fig. 8, the antenna structure 100 may further include a matching circuit 7, where the matching circuit 7 may be used to perform impedance matching on a fed signal to improve impedance efficiency. As shown in fig. 8, the matching circuit 8 may include a first capacitor 81 connected in series between the first radiator 1 and the feed point 4, a second capacitor 82 having one end connected between the feed point 4 and the first radiator 1 and the other end grounded, and a third capacitor 83 having one end connected between the feed point 4 and the first radiator 1 and the other end grounded. Of course, in other embodiments, the number of the first capacitor 81, the second capacitor 82 and the third inductor 83 in the matching circuit 8 may be plural, which is not limited in the disclosure.
In yet another case, the matching circuit 8 may also include one or two of the first capacitor 81, the second capacitor 82, and the third inductor 83, and the number of each may be one or more, which is not limited by the present disclosure.
Based on the technical solution of the present disclosure, the present disclosure further provides an electronic device 200 as shown in fig. 9, where the electronic device 200 may include the antenna structure 100 described in any one of the foregoing embodiments. In an embodiment, as shown in fig. 10, the electronic device 200 may include a metal frame 201, the metal frame 201 may form a first radiator 1, a second radiator 2, and an antenna slot 3, and as shown in fig. 10, the first radiator 1 and the second radiator 2 may be located at the same edge of the metal frame 201. Alternatively, as shown in fig. 11, the first radiator 1 and the second radiator 2 may be located at adjacent edges of the metal frame 201, and may be specifically designed according to the arrangement of electronic components inside the electronic device 200. The electronic device 200 may include a cell phone terminal, tablet terminal, notebook terminal, wearable device, or the like, to which the present disclosure is not limited.
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 disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general 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 is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. An antenna structure comprising:
a first radiator, a second radiator, and an antenna slot between the first radiator and the second radiator;
a feed point connected to the first radiator;
a ground point connected to the second radiator;
the tuning circuit comprises a first tuning unit, one end of the first tuning unit is connected between the second radiator and the grounding point, the other end of the first tuning unit is connected between the feed point and the first radiator, the first tuning unit comprises a plurality of tuning states, and inductance values of the first tuning unit connected to the second radiator in each tuning state are different; the antenna structure further comprises a metal plate, wherein the metal plate is connected with the first radiator and the second radiator, and a clearance area is formed by the metal plate, the first radiator and the second radiator; the first tuning unit is used for adjusting the radiation frequency band of the annular antenna formed by the metal plate, the first radiator and the second radiator.
2. The antenna structure of claim 1, wherein the first tuning unit comprises a first switching circuit and a single first inductance, the first switching circuit being in parallel with the single first inductance.
3. The antenna structure of claim 1, wherein the first tuning unit includes a first switching circuit and a plurality of first inductors, the first switching circuit including an off state and a plurality of on states, the first inductors being connected in series with the first switching circuit in each of the on states having a different inductance value.
4. The antenna structure of claim 1, wherein the tuning circuit further comprises a second tuning unit connected in series between the second radiator and the ground point, the second tuning unit being configured to adjust a radiation frequency band of the second radiator.
5. The antenna structure of claim 4, wherein the second tuning unit comprises a second switching circuit and a single second inductance, the second switching circuit being in parallel with the single second inductance.
6. The antenna structure of claim 4, wherein the second tuning unit includes a second switching circuit and a plurality of second inductors, the second switching circuit including an off state and a plurality of on states, the second inductors being connected in series with the second switching circuit in each of the on states having a different inductance value.
7. The antenna structure according to claim 1, characterized in that a distance between a connection position on the first radiator connected to the feed point and a ground position of the first radiator is related to a radiation frequency band of the radiator between the connection position and the ground position.
8. The antenna structure of claim 1, further comprising a matching circuit, the matching circuit comprising at least one of:
a first capacitor connected in series between the first radiator and the feed point;
one end of the second capacitor is connected between the feed point and the first radiator, and the other end of the second capacitor is grounded;
and one end of the third inductor is connected between the feed point and the first radiator, and the other end of the third inductor is grounded.
9. An electronic device comprising an antenna structure according to any of claims 1-8.
10. The electronic device of claim 9, wherein the electronic device comprises a metal frame for forming the first radiator, the second radiator, and the antenna slot;
the first radiator and the second radiator are positioned at the same edge of the metal frame body, or the first radiator and the second radiator are positioned at adjacent edges of the metal frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010443711.1A CN113708093B (en) | 2020-05-22 | 2020-05-22 | Antenna structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010443711.1A CN113708093B (en) | 2020-05-22 | 2020-05-22 | Antenna structure and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113708093A CN113708093A (en) | 2021-11-26 |
| CN113708093B true CN113708093B (en) | 2024-02-06 |
Family
ID=78646461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010443711.1A Active CN113708093B (en) | 2020-05-22 | 2020-05-22 | Antenna structure and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113708093B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117748098A (en) * | 2022-09-14 | 2024-03-22 | 华为技术有限公司 | Wearable equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972254A (en) * | 2016-09-22 | 2017-07-21 | 瑞声科技(新加坡)有限公司 | Mobile terminal |
| CN107181045A (en) * | 2017-06-19 | 2017-09-19 | 上海传英信息技术有限公司 | A kind of antenna of mobile terminal and the mobile terminal with the antenna |
| CN207338621U (en) * | 2017-06-09 | 2018-05-08 | 瑞声精密制造科技(常州)有限公司 | Antenna system and mobile terminal |
| CN108063307A (en) * | 2017-12-14 | 2018-05-22 | 广东欧珀移动通信有限公司 | Antenna tuning circuit and mobile terminal |
| CN108336483A (en) * | 2018-02-02 | 2018-07-27 | 广东欧珀移动通信有限公司 | Antenna module, electronic equipment and antenna switching method |
| CN108767450A (en) * | 2018-06-25 | 2018-11-06 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| CN109586036A (en) * | 2018-12-29 | 2019-04-05 | 维沃移动通信有限公司 | A kind of antenna structure and wireless communication terminal |
| CN109888461A (en) * | 2019-03-04 | 2019-06-14 | 维沃移动通信有限公司 | A kind of antenna structure and communication terminal |
| CN110462930A (en) * | 2017-03-29 | 2019-11-15 | 华为技术有限公司 | Antenna and terminal device |
| CN110718761A (en) * | 2018-07-11 | 2020-01-21 | 华为技术有限公司 | Antenna device and mobile terminal |
| CN110994139A (en) * | 2019-12-09 | 2020-04-10 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN210576465U (en) * | 2019-11-29 | 2020-05-19 | 维沃移动通信有限公司 | Electronic equipment |
-
2020
- 2020-05-22 CN CN202010443711.1A patent/CN113708093B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972254A (en) * | 2016-09-22 | 2017-07-21 | 瑞声科技(新加坡)有限公司 | Mobile terminal |
| CN110462930A (en) * | 2017-03-29 | 2019-11-15 | 华为技术有限公司 | Antenna and terminal device |
| CN207338621U (en) * | 2017-06-09 | 2018-05-08 | 瑞声精密制造科技(常州)有限公司 | Antenna system and mobile terminal |
| CN107181045A (en) * | 2017-06-19 | 2017-09-19 | 上海传英信息技术有限公司 | A kind of antenna of mobile terminal and the mobile terminal with the antenna |
| CN108063307A (en) * | 2017-12-14 | 2018-05-22 | 广东欧珀移动通信有限公司 | Antenna tuning circuit and mobile terminal |
| CN108336483A (en) * | 2018-02-02 | 2018-07-27 | 广东欧珀移动通信有限公司 | Antenna module, electronic equipment and antenna switching method |
| CN108767450A (en) * | 2018-06-25 | 2018-11-06 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| CN110718761A (en) * | 2018-07-11 | 2020-01-21 | 华为技术有限公司 | Antenna device and mobile terminal |
| CN109586036A (en) * | 2018-12-29 | 2019-04-05 | 维沃移动通信有限公司 | A kind of antenna structure and wireless communication terminal |
| CN109888461A (en) * | 2019-03-04 | 2019-06-14 | 维沃移动通信有限公司 | A kind of antenna structure and communication terminal |
| CN210576465U (en) * | 2019-11-29 | 2020-05-19 | 维沃移动通信有限公司 | Electronic equipment |
| CN110994139A (en) * | 2019-12-09 | 2020-04-10 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
Non-Patent Citations (2)
| Title |
|---|
| Abbas Semnani ; Michael D. Sinanis ; Dimitrios Peroulis.《An Evanescent-Mode Cavity-Backed High-Power Tunable Slot Antenna》.《IEEE Transactions on Antennas and Propagation》.2019,全文. * |
| 带反射背腔的圆形缝隙天线的仿真与设计;晏源;曹群生;;中国电子科学研究院学报(第03期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113708093A (en) | 2021-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3896790B1 (en) | Antenna structure and communication terminal | |
| US20220077581A1 (en) | Antennaless Wireless Device | |
| US10734724B2 (en) | Antennaless wireless device | |
| CN101336497B (en) | Quad-band couple element antenna structure | |
| US6882317B2 (en) | Dual antenna and radio device | |
| US20210305702A1 (en) | Antenna structure and communications terminal | |
| TWI675507B (en) | Antenna structure | |
| CN108039590B (en) | Dual-frequency and dual-feed antenna structure | |
| TWI652859B (en) | Antenna structure | |
| CN111029729A (en) | Antenna assembly and electronic equipment | |
| CN106953176B (en) | Antenna and mobile terminal | |
| WO2003047025A1 (en) | Dual-band antenna arrangement | |
| CN108288767B (en) | Antenna system and mobile terminal | |
| CN109309279B (en) | Antenna structure | |
| US10707568B2 (en) | Antenna structure | |
| CN211743388U (en) | Wireless electronic device | |
| CN113437480B (en) | Multi-frequency antenna device and mobile terminal | |
| US20090273535A1 (en) | Antenna apparatus | |
| US11145990B2 (en) | Antenna structure having multiple operating frequency bands | |
| CN110635229A (en) | Antenna structure | |
| CN113708093B (en) | Antenna structure and electronic equipment | |
| CN110600878B (en) | Antenna structure | |
| CN210668676U (en) | Antenna module and terminal equipment | |
| CN108432048B (en) | Slot antenna and terminal | |
| CN110165395B (en) | Miniaturized compact three-frequency-band antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |