CN113471681B - Multi-form antenna structure and electronic equipment - Google Patents
Multi-form antenna structure and electronic equipment Download PDFInfo
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- CN113471681B CN113471681B CN202110748913.1A CN202110748913A CN113471681B CN 113471681 B CN113471681 B CN 113471681B CN 202110748913 A CN202110748913 A CN 202110748913A CN 113471681 B CN113471681 B CN 113471681B
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- adjusting unit
- antenna structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
Abstract
The application provides a multi-mode antenna structure and electronic equipment, wherein the multi-mode antenna structure comprises a body unit, a first grounding point and a first adjusting unit; the first grounding point is arranged around the input end of the body unit, the first end of the first adjusting unit is arranged close to the first grounding point, and the trend of the first adjusting unit is kept the same as that of one section of the body unit and is arranged close to the first grounding point; under the condition that the first end of the first adjusting unit is connected with the first grounding point through the adjustable device and the second end of the first adjusting unit is not connected with the body unit, the first adjusting unit forms a parasitic antenna of the body unit, and therefore the shape of the antenna structure is changed. The connection relation between the first end of the first adjusting unit and the first grounding point is changed through the adjustable device, so that the form of the line structure is changed, the line structure can adapt to more frequency bands, and more frequency requirements are met.
Description
Technical Field
The present application relates to the field of antennas, and in particular, to a multi-mode antenna structure and an electronic device.
Background
With the development of society and the progress of science, communication devices are widely used in people's life. And, there is an increasing demand for communication apparatuses, wherein miniaturization of the communication apparatuses is particularly interesting. One of the main links in miniaturization of communication devices is miniaturization of the antenna devices therein.
However, after the antenna device is miniaturized, the frequency range to which it can be adapted also changes. Therefore, how to adapt the antenna to more frequency bands as much as possible on the premise of meeting the miniaturization requirement of the antenna becomes a difficult problem for the person skilled in the art.
Disclosure of Invention
The present application is directed to a multi-mode antenna structure and an electronic device, which at least partially improve the above-mentioned problems.
In order to achieve the above object, the technical scheme adopted by the embodiment of the application is as follows:
in a first aspect, an embodiment of the present application provides a multi-mode antenna structure, including a body unit, a first ground point, and a first adjustment unit;
the first grounding point is arranged around the input end of the body unit, the first end of the first adjusting unit is arranged close to the first grounding point, and the trend of the first adjusting unit is kept the same as that of one section of the body unit and is arranged close to the first grounding point;
and when the first end of the first adjusting unit is connected with the first grounding point through an adjustable device and the second end of the first adjusting unit is not connected with the body unit, the first adjusting unit forms a parasitic antenna of the body unit, so that the shape of the antenna structure is changed.
In a possible implementation, the body unit further includes a first end and a second end, the first end and the second end having different electrical lengths to the input end, the polymorphic antenna structure further including a second ground point and a second adjustment unit;
the second grounding point is arranged around the input end of the body unit, the first end of the second adjusting unit is arranged close to the second grounding point, the second end of the second adjusting unit is arranged close to the first end or the second end, and the trend of the second adjusting unit is kept the same as that of one section of the body unit and is arranged close to the first end or the second end;
and changing the form of the antenna structure by changing the connection state of the two ends of the first adjusting unit and the second adjusting unit.
In one possible implementation, the antenna structure includes:
and under the condition that the second end of the first adjusting unit is connected to one point of the body unit, the first end of the first adjusting unit is disconnected with the first grounding point, the first end of the second adjusting unit is connected to the second grounding point, and the second end of the second adjusting unit is kept in a disconnected state, the antenna structure is in a monopole parasitic antenna.
In one possible implementation, the antenna structure includes:
and under the condition that the second end of the first adjusting unit is kept in a disconnection state, the first end of the first adjusting unit is connected with the first grounding point, the first end of the second adjusting unit is connected with the second grounding point, and the second end of the second adjusting unit is connected with the first tail end or the second tail end, the antenna structure is in a loop parasitic antenna shape.
In one possible implementation, the antenna structure includes:
and under the condition that the second end of the first adjusting unit is connected to one point of the body unit, the first end of the first adjusting unit is connected with the first grounding point, the first end of the second adjusting unit is connected with the second grounding point, and the second end of the second adjusting unit is kept in a disconnection state, the antenna structure is in a PIFA plus parasitic antenna.
In one possible implementation, the antenna structure includes:
and under the condition that the second end of the first adjusting unit is kept in a disconnection state, the first end of the first adjusting unit is connected with the first grounding point, the first end of the second adjusting unit is connected with the second grounding point, and the second end of the second adjusting unit is kept in a disconnection state, the antenna structure is in a monopole and double parasitic antenna mode.
In one possible implementation, the tunable device is a resistor, an inductor, a capacitor, or a combination of any of a plurality of these.
In a second aspect, an embodiment of the present application provides an electronic device, including a polymorphic antenna structure as any one of the above.
Compared with the prior art, the embodiment of the application provides a multi-mode antenna structure and electronic equipment, wherein the multi-mode antenna structure comprises a body unit, a first grounding point and a first adjusting unit; the first grounding point is arranged around the input end of the body unit, the first end of the first adjusting unit is arranged close to the first grounding point, and the trend of the first adjusting unit is kept the same as that of one section of the body unit and is arranged close to the first grounding point; under the condition that the first end of the first adjusting unit is connected with the first grounding point through the adjustable device and the second end of the first adjusting unit is not connected with the body unit, the first adjusting unit forms a parasitic antenna of the body unit, and therefore the shape of the antenna structure is changed. The connection relation between the first end of the first adjusting unit and the first grounding point is changed through the adjustable device, so that the form of the line structure is changed, the line structure can adapt to more frequency bands, and more frequency requirements are met.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a multi-mode antenna according to an embodiment of the present application;
fig. 2 is a schematic diagram of a monopole antenna according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a monopole parasitic antenna according to an embodiment of the present application;
FIG. 4 is a schematic diagram of yet another monopole parasitic antenna according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a loop plus parasitic antenna according to an embodiment of the present application;
fig. 6 is a schematic diagram of a PIFA plus parasitic antenna according to an embodiment of the present application;
fig. 7 is a schematic diagram of a monopole and dual parasitic antenna according to an embodiment of the present application.
In the figure: 101-a body unit; 102-a first adjusting unit; 103-a second adjusting unit.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those conventionally put in use in the application, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
As mentioned before, after miniaturization of the antenna device, the frequency range to which it can adapt also changes. And the influence of external scenes on different antenna forms can be different. Therefore, how to adapt to more frequency bands as much as possible on the premise of meeting the miniaturization requirement of the antenna, and being applicable to more application scenes becomes a difficult problem for the technicians in the field.
To overcome this difficulty, embodiments of the present application provide a multi-modal antenna structure. As shown in fig. 1, the multi-mode antenna structure includes a body unit 101, a first ground point G1, and a first adjustment unit 102.
The first ground point G1 is disposed around the input end feed of the body unit 101, and the first end D1 of the first adjusting unit 102 is disposed adjacent to the first ground point G1, and the first adjusting unit 102 is the same as one section of the body unit 101 and is disposed adjacent to the first ground point G1.
Referring to fig. 2, fig. 2 is a schematic diagram of a monopole antenna according to an embodiment of the application. In the case that the first end D1 of the first adjusting unit 102 is not connected to the first ground point G1 and the second end D2 of the first adjusting unit 102 is not connected to the body unit 101, the body unit 101 in the multi-mode antenna structure is not connected to the first adjusting unit 102, and the body unit 101 is a monopole antenna.
Referring to fig. 3, fig. 3 is a schematic diagram of a monopole parasitic antenna according to an embodiment of the present application. In the case where the first end D1 of the first adjusting unit 102 is connected to the first ground point G1 through an adjustable device, and the second end D2 of the first adjusting unit 102 is not connected to the body unit 101, the first adjusting unit 102 forms a parasitic antenna of the body unit 101, so as to change the form of the antenna structure, and the body unit 101 and the first adjusting unit 102 together form a monopole plus parasitic antenna.
The connection relationship between the first end D1 of the first adjusting unit 102 and the first ground point G1 is changed by the adjustable device, so that the form of the line structure is changed to adapt to more frequency bands, and more frequency requirements are met.
In summary, the embodiment of the application provides a multi-mode antenna structure, which includes a main body unit, a first ground point and a first adjusting unit; the first grounding point is arranged around the input end of the body unit, the first end of the first adjusting unit is arranged close to the first grounding point, and the trend of the first adjusting unit is kept the same as that of one section of the body unit and is arranged close to the first grounding point; under the condition that the first end of the first adjusting unit is connected with the first grounding point through the adjustable device and the second end of the first adjusting unit is not connected with the body unit, the first adjusting unit forms a parasitic antenna of the body unit, and therefore the shape of the antenna structure is changed. The connection relation between the first end of the first adjusting unit and the first grounding point is changed through the adjustable device, so that the form of the line structure is changed, the line structure can adapt to more frequency bands, more frequency requirements are met, and the line structure is suitable for more application scenes.
Regarding how to further improve the diversity of the antenna structure, the embodiment of the present application further provides a possible implementation, please continue to refer to fig. 1. The body unit 101 further includes a first end M1 and a second end M2, the electrical lengths from the first end M1 and the second end M2 to the input feed are different, and the multi-mode antenna structure further includes a second ground point G2 and a second adjusting unit 103.
The second ground point G2 is disposed around the input end feed of the body unit 101, the first end N1 of the second adjusting unit 103 is disposed adjacent to the second ground point G2, the second end N2 of the second adjusting unit 103 is disposed adjacent to the first end M1 or the second end M2, and the second adjusting unit 103 is disposed adjacent to and in the same direction as one section of the body unit 101.
By changing the connection state of the two ends of the first adjusting unit 102 and the second adjusting unit 103, the form of the antenna structure is changed.
The first ground point G1 and the second ground point G2 are disposed on both sides of the input terminal feed of the body unit 101, respectively.
In the case that the connection states of the two ends of the first adjusting unit 102 and the second adjusting unit 103 are changed, the antenna structure may be changed accordingly, for example, a loop plus parasitic antenna, a PIFA plus parasitic antenna, a monopole plus dual parasitic antenna, and so on are formed, for example, please refer to the following.
Referring to fig. 4, fig. 4 is a schematic diagram of another monopole parasitic antenna according to an embodiment of the present application. As shown in fig. 4, the antenna structure includes: in the case where the second end D2 of the first adjusting unit 102 is connected to a point adjacent to the first end D2 of the body unit 101, the first end D1 of the first adjusting unit 102 is disconnected from the first ground point G1, the first end N1 of the second adjusting unit 103 is connected to the second ground point G2, and the second end N2 of the second adjusting unit 103 remains disconnected, the antenna structure is in the form of a monopole parasitic antenna as shown in fig. 4. I.e. the second tuning element 103 acts as a parasitic antenna for the body element 101.
It should be noted that, fig. 4 and fig. 3 correspond to different monopole plus parasitic antennas respectively, the electrical lengths of the parasitic antennas are different, and the electrical lengths of the monopole antennas corresponding to the body unit 101 are also different, so that more ground frequency band requirements can be satisfied, and the antenna is suitable for more application scenarios.
Referring to fig. 5, fig. 5 is a schematic diagram of a loop plus parasitic antenna according to an embodiment of the present application. As shown in fig. 5, the antenna structure includes: in the case where the second end D2 of the first adjusting unit 102 is kept in the disconnected state, the first end of the first adjusting unit 102 is connected to the D1 first ground point G1, the first end N1 of the second adjusting unit 103 is connected to the second ground point G2, and the second end N2 of the second adjusting unit 103 is connected to the first end M1 or the second end M2, the antenna structure is shaped as a loop plus parasitic antenna as shown in fig. 5.
It should be noted that fig. 5 illustrates a case where the second end N2 of the second adjusting unit 103 is connected to the second end M2, and in one possible implementation manner, the second end N2 of the second adjusting unit 103 may also be connected to the first end M1, which is not described herein.
Referring to fig. 6, fig. 6 is a schematic diagram of a PIFA plus parasitic antenna according to an embodiment of the present application. As shown in fig. 6, the antenna structure includes: in the case where the second end D2 of the first adjusting unit 102 is connected to a point of the body unit 101, the first end D1 of the first adjusting unit 102 is connected to the first ground point G1, the first end N1 of the second adjusting unit 103 is connected to the second ground point G2, and the second end N2 of the second adjusting unit 103 is kept in an off state, the antenna structure is in the form of a PIFA plus parasitic antenna as shown in fig. 6.
Optionally, the second end D2 of the first adjustment unit 102 is connected to a point of the body unit 101, where the electrical length to the input feed of the body unit 101 is smaller than the electrical lengths of the first end M1 and the second end M2 to the input feed of the body unit 101.
Referring to fig. 7, fig. 7 is a schematic diagram of a monopole and dual parasitic antenna according to an embodiment of the present application. As shown in fig. 7, the antenna structure includes: in the case where the second end D2 of the first adjusting unit 102 is kept in the off state, the first end D1 of the first adjusting unit 102 is connected to the first ground point G1, the first end N1 of the second adjusting unit 103 is connected to the second ground point G2, and the second end N2 of the second adjusting unit 103 is kept in the off state, the antenna structure is in the form of a monopole plus dual parasitic antenna as shown in fig. 7.
According to the antenna structure provided by the embodiment of the application, the connection relation between the two ends of the first adjusting unit 102 and the second adjusting unit 103 is changed through the adjustable device, so that a plurality of different antenna forms can be formed by combining, the requirement of more frequency bands is met, and the antenna structure is suitable for more scenes.
In one possible implementation, the tunable device is a resistor, an inductor, a capacitor, or a combination of any of a plurality of these.
Alternatively, when the tunable device is a 0Ω resistor and is connected to either end, the corresponding connection relationship is changed adaptively according to the electrical characteristics (resistance value, capacitance value, inductance value, etc.) of the other devices when the tunable device is other than 0Ω resistor as shown in the drawings of the present application.
In one possible implementation, D1, D2, M1, M2, N1, N2, G1, and G2 are each provided with a corresponding connection point for connecting pins of the tunable device. The connection points may be solder joints.
The embodiment of the application also provides electronic equipment, which comprises the multi-form antenna structure.
It should be noted that, the electronic device provided in the present embodiment may perform the functional use of the multi-mode antenna structure to achieve the corresponding technical effects. For a brief description, reference is made to the corresponding parts of the above embodiments, where this embodiment is not mentioned.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A multi-mode antenna structure, which is characterized in that the multi-mode antenna structure comprises a body unit, a first grounding point and a first adjusting unit;
the first grounding point is arranged around the input end of the body unit, the first end of the first adjusting unit is arranged close to the first grounding point, and the trend of the first adjusting unit is kept the same as that of one section of the body unit and is arranged close to the first grounding point;
when the first end of the first adjusting unit is connected with the first grounding point through an adjustable device and the second end of the first adjusting unit is not connected with the body unit, the first adjusting unit forms a parasitic antenna of the body unit, so that the shape of an antenna structure is changed;
the body unit further comprises a first end and a second end, the electrical lengths from the first end and the second end to the input end are different, and the multi-form antenna structure further comprises a second grounding point and a second adjusting unit;
the second grounding point is arranged around the input end of the body unit, the first end of the second adjusting unit is arranged close to the second grounding point, the second end of the second adjusting unit is arranged close to the first end or the second end, and the trend of the second adjusting unit is kept the same as that of one section of the body unit and is arranged close to the first end or the second end;
and changing the form of the antenna structure by changing the connection state of the two ends of the first adjusting unit and the second adjusting unit.
2. The polymorphic antenna structure of claim 1, wherein the morphology of the antenna structure comprises:
and under the condition that the second end of the first adjusting unit is connected to one point of the body unit, the first end of the first adjusting unit is disconnected with the first grounding point, the first end of the second adjusting unit is connected to the second grounding point, and the second end of the second adjusting unit is kept in a disconnected state, the antenna structure is in a monopole parasitic antenna.
3. The polymorphic antenna structure of claim 1, wherein the morphology of the antenna structure comprises:
and under the condition that the second end of the first adjusting unit is kept in a disconnection state, the first end of the first adjusting unit is connected with the first grounding point, the first end of the second adjusting unit is connected with the second grounding point, and the second end of the second adjusting unit is connected with the first tail end or the second tail end, the antenna structure is in a loop parasitic antenna shape.
4. The polymorphic antenna structure of claim 1, wherein the morphology of the antenna structure comprises:
and under the condition that the second end of the first adjusting unit is connected to one point of the body unit, the first end of the first adjusting unit is connected with the first grounding point, the first end of the second adjusting unit is connected with the second grounding point, and the second end of the second adjusting unit is kept in a disconnection state, the antenna structure is in a PIFA plus parasitic antenna.
5. The polymorphic antenna structure of claim 1, wherein the morphology of the antenna structure comprises:
and under the condition that the second end of the first adjusting unit is kept in a disconnection state, the first end of the first adjusting unit is connected with the first grounding point, the first end of the second adjusting unit is connected with the second grounding point, and the second end of the second adjusting unit is kept in a disconnection state, the antenna structure is in a monopole and double parasitic antenna mode.
6. The polymorphic antenna structure of claim 1, wherein the tunable device is a resistor, an inductor, a capacitor, or a combination of any of a plurality thereof.
7. An electronic device comprising a polymorphic antenna structure according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110748913.1A CN113471681B (en) | 2021-07-02 | 2021-07-02 | Multi-form antenna structure and electronic equipment |
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| CN202110748913.1A CN113471681B (en) | 2021-07-02 | 2021-07-02 | Multi-form antenna structure and electronic equipment |
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| CN113471681A CN113471681A (en) | 2021-10-01 |
| CN113471681B true CN113471681B (en) | 2023-09-26 |
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| CN113471681A (en) | 2021-10-01 |
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