CN113161747A - Coverage self-adaptive wave width adjustable spotlight antenna - Google Patents
Coverage self-adaptive wave width adjustable spotlight antenna Download PDFInfo
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- CN113161747A CN113161747A CN202110629266.2A CN202110629266A CN113161747A CN 113161747 A CN113161747 A CN 113161747A CN 202110629266 A CN202110629266 A CN 202110629266A CN 113161747 A CN113161747 A CN 113161747A
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- bridge
- phase shifter
- output port
- phase
- coverage
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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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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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
- 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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/28—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the amplitude
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Abstract
The invention provides a coverage self-adaptive wave width adjustable antenna, comprising: the phase shifter is connected with the bridge, the bridge is connected with the radiating element, the phase shifter is used for regulating and controlling the phase of an input bridge so as to change the amplitude and the phase of an output of the bridge, and the bridge changes the amplitude and the phase of the output of the bridge so as to be used for regulating and controlling the wave width of the radiating element; therefore, the wave width of the antenna can be adjusted, and the antenna can be suitable for building self-coverage with different heights and widths.
Description
Technical Field
The invention relates to the technical field of electronic communication, in particular to a coverage self-adaptive wave width adjustable radiation antenna.
Background
In the condition that the environment of a residential area is complex when the urban high-rise building stands in the current, a signal blind area easily appears in the residential area building. Currently, operators choose a solution for "outside-in" coverage in most application scenarios. Namely, a reflector lamp beautifying antenna is erected opposite to a building, and an electromagnetic field of the antenna irradiates the inside of the building, so that the electromagnetic field coverage in a residential building is realized. The height and width of the residential building determine the lobe width of the antenna radiation pattern. However, the height and width of residential building are not standardized. Residential buildings with different heights and widths need to specially customize different antennas, so that the use flexibility is not high, and the requirement of self-coverage cannot be met.
Disclosure of Invention
In order to solve the technical problem, the invention provides a coverage adaptive wave width adjustable radiation antenna, wherein the wave width of the antenna can be adjusted, so that the antenna is suitable for building self-coverage with different heights and widths.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a coverage adaptive bandwidth tunable antenna, comprising: the phase shifter is connected with the bridge, the bridge is connected with the radiating element, the phase shifter is used for regulating and controlling the phase of an input bridge so as to change the amplitude and the phase of an output of the bridge, and the bridge changes the amplitude and the phase of the output of the bridge so as to be used for regulating and controlling the wave width of the radiating element.
The invention provides a coverage self-adaptive wave width adjustable radiation antenna, which can adjust the wave width of the antenna and is suitable for building self-coverage with different heights and widths.
As a preferred solution, the phase shifter includes: the phase shifter comprises a circuit substrate, wherein a sliding part is arranged on the circuit substrate, and the sliding part and the circuit substrate are coupled to form the phase shifter.
Preferably, one end of the circuit board is connected to a first phase shifter output port, the other end of the circuit board is connected to a second phase shifter output port, the sliding portion is connected to a phase shifter input port, and the sliding portion slides in a direction of the first phase shifter output port or a direction of the second phase shifter output port on the circuit board so as to be able to adjust and control a phase of the input bridge.
Preferably, the bridges are connected into a double 90 ° bridge by combining two 90 ° bridges.
As a preferred technical solution, a first input port of the double 90 ° bridge and a second input port of the double 90 ° bridge are provided on the double 90 ° bridge, the first input port of the double 90 ° bridge is connected to the first output port of the phase shifter, and the second input port of the double 90 ° bridge is connected to the second output port of the phase shifter.
As a preferred technical solution, when the number of the radiation units is more than two, a power divider is arranged between the bridge and the radiation units.
As a preferred technical scheme, a first output port of the double 90-degree bridge and a second output port of the double 90-degree bridge are arranged on the double 90-degree bridge, and the first output port of the double 90-degree bridge is connected with an input end of the power divider.
As a preferred technical solution, the radiation unit includes: the first radiation unit and the third radiation unit are respectively connected with the output end of the power divider.
As a preferred technical solution, the second radiation unit is connected to the second output port of the double 90 ° bridge.
The preferable technical scheme comprises the following steps: the phase shifter, the electric bridge, the radiating element and the power divider are all arranged and connected on the reflecting plate, and the reflecting plate is arranged in the radome.
Drawings
Fig. 1 is a flowchart illustrating the operation of a coverage adaptive bandwidth tunable antenna according to the present invention;
fig. 2 is a front view of a coverage adaptive bandwidth tunable antenna provided in the present invention;
fig. 3 is a rear view of a coverage adaptive bandwidth tunable antenna according to the present invention;
FIG. 4 is a block diagram of a phase shifter provided in the present invention;
FIG. 5 is a block diagram of a bridge according to the present invention.
Wherein: 1-a phase shifter; 11-a circuit substrate; 12-a sliding part; 13-a phase shifter first output port; 14-a phase shifter second output port; 15-phase shifter input port; 2-bridge; 21-double 90 ° bridges; 211-dual 90 ° bridge first input ports; 212-dual 90 ° bridge second input ports; 213-dual 90 ° bridge first output port; 214-double 90 ° bridge second output port; 3-a radiating element; 31-a first radiating element; 32-a second radiating element; 33-a third radiating element; 4-power divider; 5-a reflector plate; 6-a radome; 7-coaxial cable.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It is understood that the present invention provides a coverage adaptive bandwidth tunable antenna, as shown in fig. 1, to achieve the object of the present invention through some embodiments, including: phase shifter 1, electric bridge 2 and radiating element 3, phase shifter 1 is connected with electric bridge 2, electric bridge 2 is connected with radiating element 3, phase shifter 1 includes: a circuit substrate 11, wherein a sliding portion 12 is disposed on the circuit substrate 11, the sliding portion 12 is coupled with the circuit substrate 11 to form a phase shifter 1, the phase shifter 1 is simple to process and low in cost, one end of the circuit substrate 11 is connected with a first phase shifter output port 13, the other end of the circuit substrate 11 is connected with a second phase shifter output port 14, the sliding portion 12 is connected with a phase shifter input port 15, the sliding portion 12 slides towards the first phase shifter output port 13 or the second phase shifter output port 14 on the circuit substrate 11 to adjust and control the phase of the input bridge 2, the bridge 2 is connected to a double 90 ° bridge 21 by two 90 ° bridges in a combined manner, the 90 ° bridge preferably selects a 3dB bridge, the double 90 ° bridges 21 are combined by two 90 ° bridges to expand the bandwidth, the radiating unit 3 preferably selects a high frequency radiator and is die-cast in a half-wave structure, the size of the radiation surface of the radiation unit 3 is 0.3-0.5 wavelength; a first double 90-degree-bridge input port 211 and a second double 90-degree-bridge input port 212 are arranged on the double 90-degree bridge 21, the first double 90-degree-bridge input port 211 is connected to the first phase shifter output port 13, the second double 90-degree-bridge input port 212 is connected to the second phase shifter output port 14, the first double 90-degree-bridge output port 213 is connected to an input end of the power divider 4, the first radiation unit 31 and the third radiation unit 33 are respectively connected to an output end of the power divider 4, and the second radiation unit 32 is connected to the second double 90-degree-bridge output port 214; the first radiation unit 31, the second radiation unit 32 and the third radiation unit 33 are all arranged and connected on one surface of the reflector 5, the phase shifter 1, the bridge 2 and the power divider 4 are all arranged and connected on the other surface of the reflector 5, and the reflector 5 is arranged in the reflector radome 6; the antenna has the advantages of simple structure and convenient operation, and the wave width of the antenna can be adjusted, so that the antenna is suitable for building self-coverage with different heights and widths.
The phase shifter 1 is used for regulating and controlling the phase of an input electric bridge 2 so as to change the amplitude and the phase output by the electric bridge 2, and the electric bridge 2 changes the amplitude and the phase output by the electric bridge 2 so as to be used for regulating and controlling the wave width of the radiation unit 3.
As shown in fig. 2, in the coverage adaptive wave width tunable antenna provided by the present invention, the first radiation unit 31, the second radiation unit 32, and the third radiation unit 33 are fixed on the front surface of the reflector 5, and the reflector 5 is fixed in the radome 6.
As shown in fig. 3, the coverage adaptive wave width tunable radiation antenna provided by the present invention includes a phase shifter 1, a dual 90-degree bridge 21, and a power divider 4, which are fixed on the back surface of a reflector 5, where the power divider 4 is preferably a one-to-two power divider, the phase shifter 1 is electrically connected to the dual 90-degree bridge 21 through a coaxial cable, the dual 90-degree bridge 21 is electrically connected to the power divider 4 through a coaxial cable, the reflector 5 is disposed in a radome 6, the radome 6 is of a spotlight type, has a width of 5-6 wavelengths, and has a small visual impact on an operator.
As shown in fig. 4, the phase shifter provided by the present invention includes: the circuit board 11 is provided with a sliding part 12 on the circuit board 11, the sliding part 12 is coupled with the circuit board 11 to form the phase shifter 1, one end of the circuit board 11 is connected with a first phase shifter output port 13, the other end of the circuit board 11 is connected with a second phase shifter output port 14, the sliding part 12 is connected with a phase shifter input port 15, and the sliding part 12 slides towards the direction of the first phase shifter output port 13 or the second phase shifter output port 14 on the circuit board 11 to adjust and control the phase of the input bridge 2.
As shown in fig. 5, the bridge 2 is provided by the invention, and is connected to a double 90 ° bridge 21 through two 90 ° bridges, and the 90 ° bridge is preferably a 3dB bridge, and the double 90 ° bridge 21 is formed by two 90 ° bridges, so as to extend the bandwidth, and the double 90 ° bridge 21 is provided with a double 90 ° bridge first input port 211, a double 90 ° bridge second input port 212, a double 90 ° bridge first output port 213, and a double 90 ° bridge second output port 214 at four corners thereof, respectively.
According to the coverage self-adaptive wave width adjustable antenna provided by the invention, the phase shifter 1 regulates and controls the phase of the input electric bridge 2 through the sliding part 12 so as to change the amplitude and the phase output by the electric bridge 2, the electric bridge 2 changes the amplitude and the phase output by the electric bridge 2 so as to be used for regulating and controlling the wave width of the radiation unit 3, and the wave width of the radiation unit changes along with the phase by taking the frequency point 2GHz of the antenna as an example, which is shown in the following table 1.
Table 1: data table of radiation unit wave width changing with phase
| Port 1 | |
Port 3 | |||||
| Frequency point (2GHz) | Amplitude of | Phase position | Amplitude of | Phase position | Amplitude of | Phase position | Wave width |
| Δφ＝0 | 0.494 | 0.000 | 0.698 | 0.000 | 0.494 | 0.000 | 36.910 |
| Δφ＝50 | 0.288 | 0.000 | 0.912 | 0.000 | 0.288 | 0.000 | 38.540 |
| Δφ＝80 | 0.143 | 0.000 | 0.978 | 0.000 | 0.143 | 0.000 | 47.800 |
| Δφ＝100 | 0.037 | -20.000 | 0.997 | 0.000 | 0.037 | -20.000 | 63.360 |
From table 1, it can be observed that as the amplitude and phase of the output of the bridge 2 change, the wave width of the radiating element 3 gradually increases from 36.91 ° to 63.36 °, and the phase of the input bridge 2 is adjusted by the phase shifter 1 to change the amplitude and phase of the output of the bridge 2, so as to increase the wave width of the radiating element, so that the coverage area of the antenna radiation is wider, thereby meeting the building adaptive coverage requirements of different heights and widths.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all modifications and equivalents falling within the scope of the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A coverage adaptive bandwidth tunable antenna, comprising: the phase shifter comprises a phase shifter (1), a bridge (2) and a radiation unit (3), wherein the phase shifter (1) is connected with the bridge (2), the bridge (2) is connected with the radiation unit (3), the phase shifter (1) is used for regulating and controlling the phase of an input bridge (2) so as to change the amplitude and the phase of an output of the bridge (2), and the bridge (2) is used for changing the amplitude and the phase of an output of the bridge (2) so as to be used for regulating and controlling the wave width of the radiation unit (3).
2. Coverage adaptive bandwidth-tunable antenna according to claim 1, characterized in that the phase shifter (1) comprises: the phase shifter comprises a circuit substrate (11), wherein a sliding part (12) is arranged on the circuit substrate (11), and the sliding part (12) is coupled with the circuit substrate (11) to form the phase shifter (1).
3. The coverage adaptive bandwidth tunable antenna according to claim 2, wherein a phase shifter first output port (13) is connected to one end of the circuit substrate (11), a phase shifter second output port (14) is connected to the other end of the circuit substrate (11), the phase shifter input port (15) is connected to the sliding portion (12), and the sliding portion (12) slides on the circuit substrate (11) in a direction toward the phase shifter first output port (13) or in a direction toward the phase shifter second output port (14) to adjust and control a phase of the input bridge (2).
4. Coverage adaptive bandwidth tunable antenna according to claim 3, characterized in that the bridges (2) are connected by two 90 ° bridges in combination into a double 90 ° bridge (21).
5. The coverage adaptive bandwidth tunable antenna according to claim 4, wherein the dual 90 ° bridge (21) has a dual 90 ° bridge first input port (211) and a dual 90 ° bridge second input port (212), the dual 90 ° bridge first input port (211) is connected to the phase shifter first output port (13), and the dual 90 ° bridge second input port (212) is connected to the phase shifter second output port (14).
6. The coverage adaptive bandwidth tunable antenna according to claim 4, wherein when the number of the radiation units (3) is two or more, a power divider (4) is disposed between the bridge (2) and the radiation units (3).
7. The coverage adaptive bandwidth tunable antenna according to claim 6, wherein the dual 90 ° bridge (21) has a dual 90 ° bridge first output port (213) and a dual 90 ° bridge second output port (214), and the dual 90 ° bridge first output port (213) is connected to an input end of the power divider (4).
8. The coverage adaptive bandwidth tunable antenna according to claim 7, wherein the radiation unit (3) includes: the power divider comprises a first radiation unit (31), a second radiation unit (32) and a third radiation unit (33), wherein the first radiation unit (31) and the third radiation unit (33) are respectively connected with the output end of the power divider (4).
9. The coverage adaptive bandwidth tunable antenna according to claim 8, wherein the second radiating element (32) is connected to the dual 90 ° bridge second output port (214).
10. The coverage adaptive bandwidth tunable antenna according to claim 6, comprising: reflecting plate (5) and shot-light antenna house (6), move looks ware (1), electric bridge (2) radiating element (3) with power divider (4) all set up connect in on reflecting plate (5), reflecting plate (5) set up in shot-light antenna house (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110629266.2A CN113161747A (en) | 2021-06-07 | 2021-06-07 | Coverage self-adaptive wave width adjustable spotlight antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110629266.2A CN113161747A (en) | 2021-06-07 | 2021-06-07 | Coverage self-adaptive wave width adjustable spotlight antenna |
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| Publication Number | Publication Date |
|---|---|
| CN113161747A true CN113161747A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110629266.2A Pending CN113161747A (en) | 2021-06-07 | 2021-06-07 | Coverage self-adaptive wave width adjustable spotlight antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565556A (en) * | 2023-05-08 | 2023-08-08 | 佛山市迪安通讯设备有限公司 | Ultra-wideband antenna capable of linearly adjusting beam width |
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2021
- 2021-06-07 CN CN202110629266.2A patent/CN113161747A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565556A (en) * | 2023-05-08 | 2023-08-08 | 佛山市迪安通讯设备有限公司 | Ultra-wideband antenna capable of linearly adjusting beam width |
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