CN111276796B - Double-section adjustable intelligent antenna - Google Patents
Double-section adjustable intelligent antenna Download PDFInfo
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- CN111276796B CN111276796B CN201811480733.4A CN201811480733A CN111276796B CN 111276796 B CN111276796 B CN 111276796B CN 201811480733 A CN201811480733 A CN 201811480733A CN 111276796 B CN111276796 B CN 111276796B
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- radiator
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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
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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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
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Abstract
The invention provides a double-section adjustable intelligent antenna. The dual-section adjustable intelligent antenna comprises a grounding part, a first radiating body, a second radiating body, a third radiating body, a first switch component, a second switch component and a control module. The first radiator is located between the grounding part and the second radiator and electrically connected to the signal feed-in point to receive the antenna signal. The third radiator is electrically connected to the grounding part. The first switch assembly is electrically connected between the first radiator and the second radiator. The second switch assembly is electrically connected between the second radiator and the third radiator. The control module is used for adjusting the bias level of the antenna signal so as to control the switching states of the first switching element and the second switching element. Thus, the dual-stage tunable smart antenna can provide two different antenna patterns.
Description
Technical Field
The present invention relates to a dual-stage tunable smart antenna, and more particularly, to a dual-stage tunable smart antenna capable of providing two different antenna patterns.
Background
With the rapid development of communication technologies, various communication products, such as Wireless Access Point (Wireless Access Point), smart phones, and notebook computers, are also becoming part of human life. Most of these communication products have an antenna device to implement wireless transmission function, so as to meet the requirements of consumers. Smart antennas (Smart antennas) have become a common Antenna device in communication products because they can provide stable communication quality.
Generally, a smart antenna changes its antenna radiation pattern according to the direction of transmitting or receiving communication signal energy in space, so as to select a better antenna radiation pattern for signal transmission. For example, the smart antenna can switch to provide a plurality of different antenna radiation patterns, and determine the antenna radiation pattern with better communication quality according to the communication signal in the space, so as to make the signal transmission of the smart antenna more stable
Disclosure of Invention
The invention provides a dual-section adjustable intelligent antenna which can provide two different antenna patterns. The dual-section adjustable intelligent antenna comprises a grounding part, a first radiating body, a second radiating body, a third radiating body, a first switch component and a second switch component. The first radiator is located between the grounding part and the second radiator and electrically connected to the signal feed-in point to receive the antenna signal. The third radiator is electrically connected to the grounding part. The first switch assembly is electrically connected between the first radiator and the second radiator and used for selectively electrically connecting or disconnecting the first radiator and the second radiator according to the antenna signal. The second switch assembly is electrically connected between the second radiator and the third radiator and used for electrically connecting or disconnecting the second radiator and the third radiator according to the antenna signal.
According to an embodiment of the present invention, the dual-band tunable smart antenna further includes a capacitor structure including a first conductor and a second conductor. The first conductor is electrically connected to the second radiator. The second conductor is electrically connected to the grounding part. A gap is formed between the first conductor and the second conductor to form the capacitor structure.
According to an embodiment of the present invention, the first switch element and the second switch element are diodes.
According to an embodiment of the present invention, the first switch element and the second switch element are turned off when the antenna signal has a first bias level, and the first switch element and the second switch element are turned on when the antenna signal has a second bias level.
According to an embodiment of the present invention, the second bias level is greater than the first bias level.
The invention provides a double-section adjustable intelligent antenna. The dual-section adjustable intelligent antenna comprises a grounding part, a first radiating body, a second radiating body, a third radiating body, a first switch component, a second switch component and a control module. The first radiator is positioned between the grounding part and the second radiator and is electrically connected to the signal feed-in point so as to receive the antenna signal. The third radiator is electrically connected to the grounding part. The first switch assembly is electrically connected between the first radiator and the second radiator. The second switch assembly is electrically connected between the second radiator and the third radiator. The control module is used for adjusting the bias level of the antenna signal so as to control the switching states of the first switching element and the second switching element.
According to an embodiment of the present invention, the dual-band tunable smart antenna further includes a capacitor structure including a first conductor and a second conductor. The first conductor is electrically connected to the second radiator. The second conductor is electrically connected to the grounding part. A gap is formed between the first conductor and the second conductor to form the capacitor structure.
According to an embodiment of the present invention, the first switch element and the second switch element are diodes.
According to an embodiment of the present invention, when the control module adjusts the bias level to the first voltage level, the first switch element and the second switch element are turned off to electrically disconnect the first radiator from the second radiator and the second radiator from the third radiator; when the control module adjusts the bias level to be the second voltage level, the first switch component and the second switch component are turned on to electrically connect the first radiator with the second radiator and electrically connect the second radiator with the third radiator.
According to an embodiment of the present invention, the second bias level is greater than the first bias level.
Drawings
In order to make the aforementioned and other objects, features, and advantages of the invention, as well as others which will become apparent, reference should be made to the following detailed description of the preferred embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a dual-segment tunable smart antenna according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a single coupled antenna according to an embodiment of the present invention; and
fig. 3 is a structure of a dual cycle (loop) antenna according to an embodiment of the present invention.
Detailed Description
As used herein, "first," "second," …, etc., do not denote any order or sequential meaning, but rather are used to distinguish one element or operation from another element or operation described by the same technical term.
Fig. 1 is a schematic structural diagram of a dual-segment tunable smart antenna 100 according to an embodiment of the present invention. The dual-band tunable smart antenna 100 includes a first radiator 110, a second radiator 120, a third radiator 130, a ground 140, a connector 150, a capacitor structure 160, a control module 170, a first switch device D1, and a second switch device D2. The first radiator 110 is electrically connected to the signal feed point FP to receive the antenna signal AS. In the present embodiment, the antenna signal AS is fed to the first radiator 110 through a signal feeding element (e.g., a coaxial line). Specifically, the signal feeding element includes a signal end and a ground end, wherein the signal end of the signal feeding element is connected to the signal feeding point FP, and the ground end of the signal feeding element is connected to the ground portion 140.
The second radiator 120 is disposed adjacent to the first radiator 110 to generate an electromagnetic coupling effect. In the embodiment, the first radiator 110 is disposed between the second radiator 120 and the ground portion 140, but the embodiment of the invention is not limited thereto. The capacitor structure 160 is electrically connected between the second radiator 120 and the ground 140 to provide an equivalent capacitor between the second radiator 120 and the ground 140. In the present embodiment, the capacitor structure 160 includes a first conductor portion 162 and a second conductor portion 164. The first conductor portion 162 is electrically connected to the second radiator 120, and the second conductor portion 164 is electrically connected to the ground portion 140, wherein a gap 166 is formed between the first conductor portion 162 and the second conductor portion 164 to form the capacitor structure 160.
The third radiator 130 is disposed adjacent to the second radiator 120 to generate an electromagnetic coupling effect. In the present embodiment, the third radiator 130 is electrically connected to the ground 140 through the connector 150, so that the third radiator 130 is electrically connected to the ground 140. In addition, the first radiator 110, the second radiator 120, the third radiator 130, the ground portion 140 and the connector 150 of the present embodiment are all made of metal. For example, the first radiator 110, the second radiator 120, the third radiator 130, the ground part 140, and the connector 150 may be made of a copper sheet, but the embodiment of the invention is not limited thereto.
The first switch element D1 is electrically connected between the first radiator 110 and the second radiator 120, so AS to selectively electrically connect or disconnect the first radiator 110 and the second radiator 120 according to the antenna signal AS. In the embodiment, the first switch element D1 is a diode, which can be turned on or off according to the bias level of the antenna signal AS. Specifically, the anode of the first switch element D1 is electrically connected to the first radiator 110, and the cathode is electrically connected to the second radiator 120. When the bias level of the antenna signal AS is higher than the turn-on voltage of the first switch element D1, the first switch element D1 is turned on and electrically connects the first radiator 110 and the second radiator 120. On the contrary, when the bias level of the antenna signal AS is lower than or equal to the turn-on voltage of the first switch element D1, the first switch element D1 is turned off, and the first radiator 110 is electrically disconnected from the second radiator 120.
The second switch element D2 is electrically connected between the second radiator 120 and the third radiator 130, so AS to selectively electrically connect or disconnect the second radiator 120 and the third radiator 130 according to the antenna signal AS. In the embodiment, the second switch element D2 is a diode, which can be turned on or off according to the bias level of the antenna signal AS. Specifically, the anode of the second switch element D2 is electrically connected to the second radiator 120, and the cathode is electrically connected to the third radiator 130. When the bias level of the antenna signal AS is higher than the turn-on voltage of the second switch element D2, the second switch element D2 is turned on and electrically connects the second radiator 120 and the third radiator 130. On the contrary, when the bias level of the antenna signal AS is lower than or equal to the turn-on voltage of the second switch element D2, the second switch element D2 is turned off, and the second radiator 120 is electrically disconnected from the third radiator 130.
The control module 170 is used for adjusting the bias level of the antenna signal AS to control the switching states of the first switching element D1 and the second switching element D2. AS shown in fig. 2, when the control module 170 adjusts the bias level of the antenna signal AS to make the antenna signal AS have a first voltage level lower than the turn-on voltages of the first switch element D1 and the second switch element D2, the first switch element D1 and the second switch element D2 are turned off, such that the first radiator 110 and the second radiator 120 are electrically disconnected, and the second radiator 120 and the third radiator 130 are also electrically disconnected. In this case, the dual-segment tunable smart antenna 100 is a single coupled antenna.
AS shown in fig. 3, when the control module 170 adjusts the bias level of the antenna signal AS to make the antenna signal AS have a second voltage level higher than the turn-on voltage of the first switch element D1 and the second switch element D2, the first switch element D1 and the second switch element D2 are in an on state, such that the first radiator 110 is electrically connected to the second radiator 120, and the second radiator 120 is electrically connected to the third radiator 130. In this case, the two-segment tunable smart antenna 100 is a dual-loop (loop) antenna.
AS can be seen from the above description, the dual-stage tunable smart antenna 100 of the present embodiment adjusts the bias level of the antenna signal AS to switch the switch states of the first switch element D1 and the second switch element D2 to provide two different antenna radiation patterns, but the present invention is not limited thereto. In other embodiments of the present invention, the number of radiators and switch elements of the dual-stage tunable smart antenna 100 and the physical layout of the radiators and switch elements can be adjusted according to the user's requirements, so as to provide various other antenna radiation patterns.
In addition, in other embodiments of the present invention, the control module 170 may also appropriately set the first voltage level and the second voltage level of the antenna signal AS, so that the first switch element D1 is turned on when the antenna signal AS is at the first voltage level, and the second switch element D2 is turned off when the antenna signal AS is at the first voltage level, so AS to provide the first antenna radiation pattern; and, the first switch element D1 and the second switch element D2 are turned on when the antenna signal AS is at the second voltage level, so AS to provide the second antenna radiation pattern.
Although the present invention has been described with respect to the above embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
[ description of symbols ]
100: double-section adjustable intelligent antenna
110: first radiator
120: second radiator
130: third radiator
140: ground part
150: connecting body
160: capacitor structure
162: a first conductor part
164: second conductor part
166: gap
170: control module
AS: antenna signal
D1: first switch assembly
D2: second switch assembly
FP: a signal feed-in point.
Claims (8)
1. A kind of two-section adjustable intelligent aerial, characterized by comprising:
a ground part;
the first radiator is electrically connected to the signal feed-in point so as to receive an antenna signal;
a second radiator, wherein the first radiator is located between the grounding part and the second radiator;
the third radiator is electrically connected to the grounding part;
a first switch assembly electrically connected between the first radiator and the second radiator for selectively electrically connecting or disconnecting the first radiator and the second radiator according to the antenna signal;
the second switch assembly is electrically connected between the second radiator and the third radiator and used for electrically connecting or disconnecting the second radiator and the third radiator according to the antenna signal; and
a capacitive structure, wherein the capacitive structure comprises:
a first conductor electrically connected to the second radiator; and
a second conductor electrically connected to the ground part;
wherein a gap is formed between the first conductor and the second conductor to form the capacitor structure.
2. A two-segment tunable smart antenna as recited in claim 1, wherein said first switching element and said second switching element are diodes.
3. The dual-band tunable smart antenna of claim 1, wherein the first switch element and the second switch element are turned off when the antenna signal has a first bias level, and the first switch element and the second switch element are turned on when the antenna signal has a second bias level.
4. A two-segment tunable smart antenna according to claim 3, wherein said second bias level is greater than said first bias level.
5. A kind of two-section adjustable intelligent aerial, characterized by comprising:
a ground part;
the first radiator is electrically connected to the signal feed-in point so as to receive an antenna signal;
a second radiator, wherein the first radiator is located between the ground and the second radiator;
the third radiator is electrically connected to the grounding part;
the first switch assembly is electrically connected between the first radiator and the second radiator;
the second switch component is electrically connected between the second radiator and the third radiator;
a control module for adjusting a bias level of the antenna signal to control the switching states of the first and second switching elements; and
a capacitive structure, wherein the capacitive structure comprises:
a first conductor electrically connected to the second radiator; and
a second conductor electrically connected to the ground part;
wherein a gap is formed between the first conductor and the second conductor to form the capacitor structure.
6. The dual-stage tunable smart antenna of claim 5, wherein the first switching element and the second switching element are diodes.
7. The dual-segment tunable smart antenna of claim 5, wherein:
when the control module adjusts the bias level to be a first voltage level, the first switch component and the second switch component are turned off to electrically disconnect the first radiator from the second radiator and the second radiator from the third radiator;
when the control module adjusts the bias voltage level to be a second voltage level, the first switch assembly and the second switch assembly are turned on to electrically connect the first radiator with the second radiator and electrically connect the second radiator with the third radiator.
8. A two-segment tunable smart antenna according to claim 7, wherein said second bias level is greater than said first bias level.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480733.4A CN111276796B (en) | 2018-12-05 | 2018-12-05 | Double-section adjustable intelligent antenna |
| TW108102172A TWI695545B (en) | 2018-12-05 | 2019-01-19 | Two-stage tunable smart antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811480733.4A CN111276796B (en) | 2018-12-05 | 2018-12-05 | Double-section adjustable intelligent antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111276796A CN111276796A (en) | 2020-06-12 |
| CN111276796B true CN111276796B (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811480733.4A Active CN111276796B (en) | 2018-12-05 | 2018-12-05 | Double-section adjustable intelligent antenna |
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| CN (1) | CN111276796B (en) |
| TW (1) | TWI695545B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115579616A (en) * | 2021-07-06 | 2023-01-06 | Oppo广东移动通信有限公司 | Antenna Ground Circuit, Antenna Structure, and Wearable Devices |
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| CN102280689A (en) * | 2010-05-10 | 2011-12-14 | 三星电子株式会社 | Re-configurable built-in antenna for portable terminal |
| CN204793198U (en) * | 2015-06-16 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system and applied this antenna system's communication terminal |
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| TWI279030B (en) * | 2004-06-21 | 2007-04-11 | Accton Technology Corp | Antenna and antenna array |
| CN101662070A (en) * | 2008-08-29 | 2010-03-03 | 佛山市顺德区顺达电脑厂有限公司 | Antenna system with adjustable radiation pattern |
| JP5412871B2 (en) * | 2009-02-24 | 2014-02-12 | 富士通株式会社 | Antenna, radiation pattern switching method thereof, and wireless communication apparatus |
| TWI448008B (en) * | 2010-12-17 | 2014-08-01 | Htc Corp | Handheld device and planar antenna thereof |
| CN104241855B (en) * | 2013-06-06 | 2019-05-10 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| CN104979633B (en) * | 2015-05-20 | 2017-11-07 | 广东欧珀移动通信有限公司 | Antenna system and communication terminal applying same |
| TWI625043B (en) * | 2017-02-16 | 2018-05-21 | Antenna matching device of dual-frequency tire pressure sensor |
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2018
- 2018-12-05 CN CN201811480733.4A patent/CN111276796B/en active Active
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2019
- 2019-01-19 TW TW108102172A patent/TWI695545B/en active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280689A (en) * | 2010-05-10 | 2011-12-14 | 三星电子株式会社 | Re-configurable built-in antenna for portable terminal |
| CN204793198U (en) * | 2015-06-16 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system and applied this antenna system's communication terminal |
Non-Patent Citations (1)
| Title |
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| 《Wide area and wide band spectrum monitoring system based on sensor networks》;Weilong Hu;《2016 International Conference on Computer, Information and Telecommunication Systems (CITS)》;20160818;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI695545B (en) | 2020-06-01 |
| CN111276796A (en) | 2020-06-12 |
| TW202023116A (en) | 2020-06-16 |
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