CN114552173B - Antenna structure and electronic equipment - Google Patents
Antenna structure and electronic equipment Download PDFInfo
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- CN114552173B CN114552173B CN202011340119.5A CN202011340119A CN114552173B CN 114552173 B CN114552173 B CN 114552173B CN 202011340119 A CN202011340119 A CN 202011340119A CN 114552173 B CN114552173 B CN 114552173B
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- 230000003071 parasitic effect Effects 0.000 claims abstract description 20
- 238000005452 bending Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101500023488 Lithobates catesbeianus GnRH-associated peptide 1 Proteins 0.000 description 1
- 101500022510 Lithobates catesbeianus GnRH-associated peptide 2 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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Abstract
The present disclosure relates to an antenna structure and an electronic device. The antenna structure comprises: a feed point; the radiator is electrically connected with the feed point and comprises a low-frequency radiator positioned at one side of the feed point and a high-frequency radiator positioned at the other side of the feed point; a parasitic stub located on a side of the high frequency radiator remote from the feed point; the low-frequency radiator comprises a first grounding point and a wire, wherein the first grounding point is electrically connected to the low-frequency radiator through the wire, and the connection position of the wire and the low-frequency radiator is close to the feed point relative to the first grounding point.
Description
Technical Field
The disclosure relates to the technical field of terminals, and in particular relates to an antenna structure and electronic equipment.
Background
When a user holds the electronic equipment for talking, the antenna is inevitably shielded to a certain extent, so that the talking effect is poor. In fact, holding an electronic device for communication is one of the most frequent application scenarios during the use of the electronic device by a user, and therefore, how to improve the communication effect in the holding scenario is of great importance to various manufacturers.
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 feed point;
the radiator is electrically connected with the feed point and comprises a low-frequency radiator positioned at one side of the feed point and a high-frequency radiator positioned at the other side of the feed point;
a parasitic stub located on a side of the high frequency radiator remote from the feed point;
The low-frequency radiator comprises a first grounding point and a wire, wherein the first grounding point is electrically connected to the low-frequency radiator through the wire, and the connection position of the wire and the low-frequency radiator is close to the feed point relative to the first grounding point.
Optionally, the method further comprises:
and the second grounding point is electrically connected with the parasitic branch knot.
Optionally, the high-frequency radiator extends in the same direction as the low-frequency radiator after being bent relative to the feed point.
Optionally, the length of the low-frequency radiator is one quarter of the wavelength of the antenna signal radiated by the low-frequency radiator.
Optionally, the length of the high-frequency radiator is one quarter of the wavelength of the antenna signal radiated by the high-frequency radiator.
Optionally, the length of the radiator is three-fourths of the wavelength of the intermediate frequency signal radiated by the electronic device.
According to a second aspect of embodiments of the present disclosure, there is provided an electronic device, comprising:
The frame comprises a bottom side frame and a frame main body connected with the bottom side frame;
the antenna structure according to any one of the above embodiments, wherein the antenna structure is disposed on the inner surfaces of the bottom side frame and the frame main body, and the feed point and the first ground point are located in the middle of the bottom side frame in the width direction of the bottom side frame.
Optionally, the bottom side frame includes a connector opening, the feed point is located on a first side of the connector opening, the first ground point is located on a second side of the connector opening, and the first side and the second side are disposed along a width direction of the frame.
Optionally, the high frequency radiator is bent and extended towards the first side above the connector opening relative to the feed point; and/or the low frequency radiator extends relative to the feed point on the lower Fang Chaodi side of the connector opening;
at least a portion of the antenna slot is located below the connector opening.
Optionally, the antenna structure further includes a second ground point connected to the parasitic stub, and the second ground point is located at a corner position of the frame.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
According to the embodiment, the radiator can be separated into the low-frequency radiator radiating the low-frequency signal and the high-frequency radiator radiating the high-frequency signal in the electronic equipment, the low-frequency signal and the high-frequency signal can radiate outwards at the middle part of the frame, the middle-frequency signal can radiate outwards at the middle part of the frame through the parasitic branches, so that good antenna efficiency of the electronic equipment can be kept under the left-hand condition or the right-hand condition, and meanwhile, frequency modulation is realized without switching by adopting a switching circuit, so that the antenna structure can be simplified, and the cost is saved.
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 a schematic diagram illustrating a structure of an antenna structure according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating an electronic device radiating a low frequency signal according to an exemplary embodiment.
Fig. 3 is a schematic diagram showing an electronic device radiating a high frequency signal according to an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating an electronic device radiating an intermediate frequency signal according to an exemplary embodiment.
Fig. 5 is a schematic diagram of an electronic device according to an exemplary embodiment.
Fig. 6 is a partially expanded schematic illustration of an electronic device, 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 "in response to a determination" depending on the context.
Fig. 1 is a schematic structural view of an antenna structure 100 according to an exemplary embodiment, and as shown in fig. 1 and 2, the antenna structure 100 may include a feed point 1, a radiator 2, a parasitic branch 3, a first ground point 4, a wire 5, and a second ground point 7. Wherein the radiator 2 is electrically connected to the feed point 1, so that the radiator 2 can be separated by the feed point 1 into a low frequency radiator 21 on one side of the feed point 1 and a high frequency radiator 22 on the other side of the feed point 1, the one side and the other side of the feed point 1 being referred to as the relation on the circuit connection and not involving the physical orientation. The parasitic branch 3 may be disposed at a side of the high frequency radiator 22 remote from the feed point 1, and radiate an antenna signal by coupling with the high frequency radiator 22, the second ground point 7 may be electrically connected to the parasitic branch 3, the first ground point 4 may be electrically connected to the low frequency radiator 21 through the wire 5, and the wire 5 may extend in a length direction of the low frequency radiator 21, and a connection position of the wire 5 and the low frequency radiator 21 may be closer to the feed point 1 than the first ground point 4, so that the antenna signal from the low frequency radiator 21 may flow in a direction directed to the feed point first and then return to the first ground point 4 through the wire 5, thereby forming the antenna slot 6.
As shown in fig. 1, based on the structure of the antenna structure 100, the low-frequency radiator 21 is located on the left side of the whole antenna structure 100, and through the antenna slot 6 between the low-frequency radiator 21 and the wire 5, as shown in fig. 2, the low-frequency strong current can be concentrated in the area where the low-frequency radiator 21 is close to the middle of the antenna structure 100, that is, when a user holds the electronic device provided with the antenna structure 10 by either the left hand or the right hand to talk or answer voice information, since the radiation of the low-frequency signal mainly depends on the area where the low-frequency radiator 21 is located in the middle, the influence of the hand holding on the low-frequency signal emission can be reduced.
Similarly, as shown in fig. 3, since the side of the high-frequency radiator 22 away from the feed point 1 is further provided with the parasitic branch 3, based on the overall structure of the antenna structure 100, the high-frequency radiator 22 will be close to the middle area of the antenna structure 100 relative to the parasitic branch 3, so that the influence of hand holding on the high-frequency signal emission can be reduced when the hand holds the electronic device. As shown in fig. 4, by providing the parasitic stub 3 on the side of the high-frequency radiator 22 away from the feed point 1, the electrical signal on the high-frequency radiator 22 can be coupled to the parasitic stub 3, and the frequency of the antenna signal generated by the high-frequency radiator 22 can be lowered by the parasitic stub 3, so that the radiation of the intermediate-frequency signal is realized, and thus the influence of the hand holding on the transmission of the intermediate-frequency signal is also reduced.
As can be seen from the above embodiments, in the electronic device of the present disclosure, the radiator 2 may be separated into the low-frequency radiator 21 radiating the low-frequency signal and the high-frequency radiator 22 radiating the high-frequency signal, and the low-frequency signal and the high-frequency signal may radiate outwards at the middle of the frame 8, and the parasitic branch 3 may be provided to radiate the middle of the frame 8, so that good antenna efficiency of the electronic device may be maintained under the left-hand or right-hand condition, and frequency modulation may be achieved without switching by using a switching circuit, which may simplify the antenna structure and save the cost.
Still referring to fig. 1, the high-frequency radiator 22 may extend in the same direction as the low-frequency radiator 21 after being bent with respect to the feed point 1, so that a setting position of the parasitic branch 3 may be provided on the right side of the physical position of the feed point 1, and the high-frequency radiator 22 may extend toward the middle of the antenna structure 100, so that the width of the whole antenna structure 100 may be shortened with respect to the scheme in which the high-frequency radiator 22 and the low-frequency radiator 21 extend in different directions, thereby facilitating subsequent configuration into an electronic device, and facilitating configuration of the high-frequency radiator 22 in the middle of the antenna structure 100, so as to reduce radiation influence of a left-hand or right-hand situation on an antenna signal. Wherein the length of the low frequency radiator 21 is about one quarter of the wavelength of the antenna signal radiated by the low frequency radiator 21, wherein the frequency of the low frequency antenna signal may be about 900MHz; the length of the high frequency radiator 22 is one quarter of the wavelength of the antenna signal radiated by the high frequency radiator 22, wherein the high frequency antenna signal may be about 2700MHz; the total length of the radiator 2 is three-quarters of the wavelength of the intermediate frequency signal radiated by the electronic device 200, for example, the frequency of the antenna signal of the intermediate frequency may be about 1800MHz.
Based on the technical solution of the present disclosure, there is further provided an electronic device 200 as shown in fig. 5, and fig. 6 is a partially developed view of fig. 5. The electronic device 200 may include an antenna structure 100 and a bezel 8, the bezel 8 may include a bottom side bezel 81 and a bezel body 82 connected to the bottom side bezel 81, the antenna structure 100 may be disposed at inner surfaces of the bottom side bezel 81 and the bezel body 82, and in a width direction of the bottom side bezel 81, the feed point 1 and the first ground point 4 are both located at a middle portion of the bottom side bezel 81. In this way, the antenna signal can radiate outwards from the middle of the bottom side frame 81, reducing the influence caused by hand holding. The second ground point 7 may be located at a corner of the bezel 8, or the electronic device 200 may further include a motor disposed proximate the parasitic branch 3, and the second ground point 8 may be disposed proximate the motor.
In an embodiment of the present disclosure, the bottom side frame 81 may include a connector opening 811, the connector opening 811 may include a USB connector interface, the feed point 2 may be located on a first side of the connector opening 811, and the first ground point 4 may be located on a second side of the connector opening 811, which may be disposed along a width direction of the bottom side frame 81. In this way, by arranging the feed point 1 and the first grounding point 4 on opposite sides of the connector opening 811, it is possible to facilitate layout of the low-frequency radiator 21 and the high-frequency radiator 22, for example, as shown in fig. 6, the high-frequency radiator 22 may extend toward the first side above the connector opening 811 with respect to the feed point 1, whereby since the connector opening 811 is typically arranged in the middle of the bottom side frame 81, arranging the high-frequency radiator 22 to extend based on the second side to the first side can ensure that the high-frequency radiator 22 is located in the middle of the bottom side frame 81; and the low frequency radiator 21 may extend toward the first side below the connector opening 811 with respect to the feed point 1, at least a portion of the antenna slit 6 may be located below the connector opening 811, whereby it may be ensured that a portion of the low frequency radiator is located in the middle of the bottom side frame 81, so that the area of the low frequency radiator 21 located in the middle of the bottom side frame 81 may radiate a low frequency signal by the action of the antenna slit 6.
Based on the embodiment of the present disclosure, the situation of obtaining the antenna signals in the radiation frequency bands of the electronic device 200 is shown in table 1:
TABLE 1
Wherein BAND is a frequency BAND, CHANNEL is a frequency CHANNEL, CONDUCTOR is a conductivity, FS is a radiation efficiency of an electronic device in a free space, BHHR is a radiation efficiency of an electronic device in a right-hand case, BHHL is a radiation efficiency of an electronic device in a left-hand case, VDF SPEC is an international operator requirement, GAP1 is a GAP between the electronic device in the left-hand and the international operator requirement, and GAP2 is a GAP between the electronic device in the right-hand and the international operator requirement. As shown in table 1, the radiation efficiency of the electronic device 200 in the left-hand case and the right-hand case is substantially equal with respect to the free space, and the requirements of the international operators can be substantially satisfied, thereby meeting the practical application requirements.
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 feed point;
The radiator is electrically connected with the feed point and comprises a low-frequency radiator positioned at one side of the feed point and a high-frequency radiator positioned at the other side of the feed point; one end of the low-frequency radiator is connected with the high-frequency radiator;
a parasitic stub located on a side of the high frequency radiator remote from the feed point;
A first ground point and a wire, the first ground point being electrically connected to the low frequency radiator through the wire such that an antenna slot is formed between the low frequency radiator and the wire; the connection position of the wire and the low-frequency radiator is arranged close to the feed point relative to the first grounding point, so that: when the hands of a user hold or the heads are contacted, at least part of low-frequency signals generated by the low-frequency radiator pass through the antenna gap, so that the low-frequency signals are emitted in the middle area of the antenna structure.
2. The antenna structure of claim 1, further comprising:
and the second grounding point is electrically connected with the parasitic branch knot.
3. The antenna structure according to claim 1, characterized in that the high-frequency radiator extends in the same direction as the low-frequency radiator after bending with respect to the feed point.
4. The antenna structure of claim 1, wherein the low frequency radiator has a length of one quarter of a wavelength of an antenna signal radiated from the low frequency radiator.
5. The antenna structure according to claim 1, characterized in that the length of the high-frequency radiator is one quarter of the wavelength of the antenna signal radiated by the high-frequency radiator.
6. The antenna structure of claim 2, wherein the high frequency radiator is coupled with the parasitic stub to produce an intermediate frequency signal; the length of the radiator is three-fourths of the wavelength of the intermediate frequency signal radiated by the antenna structure.
7. An electronic device, comprising:
The frame comprises a bottom side frame and a frame main body connected with the bottom side frame;
The antenna structure according to any one of claims 1 to 6, which is provided to inner surfaces of the bottom side frame and the frame main body, and in a width direction of the bottom side frame, the feed point and the first ground point are located in a middle portion of the bottom side frame.
8. The electronic device of claim 7, wherein the bottom side bezel includes a connector opening, the feed point is located on a first side of the connector opening, the first ground point is located on a second side of the connector opening, and the first side and the second side are disposed along a width direction of the bezel.
9. The electronic device of claim 8, wherein the high frequency radiator extends with respect to the feed point at a bend above the connector opening toward the first side; and/or the low frequency radiator extends relative to the feed point on the lower Fang Chaodi side of the connector opening;
at least a portion of the antenna slot is located below the connector opening.
10. The electronic device of claim 7, wherein the antenna structure further comprises a second ground point connected to the parasitic stub, the second ground point being located at a corner position of the bezel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011340119.5A CN114552173B (en) | 2020-11-25 | 2020-11-25 | Antenna structure and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011340119.5A CN114552173B (en) | 2020-11-25 | 2020-11-25 | Antenna structure and electronic equipment |
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| CN114552173A CN114552173A (en) | 2022-05-27 |
| CN114552173B true CN114552173B (en) | 2024-05-14 |
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