CN209747730U - Switching control device with adjustable lobe width for sub-array antenna - Google Patents
Switching control device with adjustable lobe width for sub-array antenna Download PDFInfo
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- CN209747730U CN209747730U CN201920660250.6U CN201920660250U CN209747730U CN 209747730 U CN209747730 U CN 209747730U CN 201920660250 U CN201920660250 U CN 201920660250U CN 209747730 U CN209747730 U CN 209747730U
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Abstract
The utility model discloses a lobe width adjustable switching control device of a sub-array antenna, which is used for switching and controlling the distribution angle or range of the lobe width of a radiation field type of a sub-array antenna, wherein the sub-array antenna comprises a plurality of groups of antenna radiation units which are arranged at intervals in a single row, and each antenna radiation unit is provided with at least one feed end; the lobe width adjustable switching control device comprises at least one switching control unit, each switching control unit comprises a signal feed-in part, a power divider, a receiving and sending module and a switch, wherein the receiving and sending module is respectively and electrically connected with the corresponding feed end in the antenna radiation unit, the signal feed-in part and the power divider as well as the power divider and the receiving and sending module are respectively and electrically connected through a connecting circuit, and the switches are arranged on the connecting circuit so as to switch the distribution proportion mode of the received and sent signals.
Description
Technical Field
The present invention relates to a sub-array antenna control device, and more particularly to a novel lobe width adjustable switching control structure for a sub-array antenna.
Background
The base station is the first device in contact with the user in the mobile phone system, and the base station simultaneously transmits and receives radio waves to connect with the user, so the operation quality and efficiency of the base station are closely related to the signal strength, quality and the like of the user communication device; the location selection, antenna angle, direction, frequency planning, etc. of the base station also relatively determine the quality of the overall service of the mobile telephone system.
The present base station generally uses a two-dimensional array antenna, each constituent antenna unit of the array antenna has a certain arrangement rule form and a certain feeding mode to obtain the function required by the manager, and the radiation field of the array antenna is the sum of the radiation fields of the constituent elements of the antenna array.
In recent years, the mobile communication industry in many advanced countries has been dedicated to developing three-dimensional intelligent base station antennas; in short, the development of smart antennas in the world is currently divided into four categories, the first category is switched beam/fixed beam, and the best beam is selected for transmission and reception mainly in fixed narrow beams. The second is adaptive beam forming, which focuses on making the beam width and pointing angle adaptive to the environment; the third is interference cancellation, a fully adaptive process to cancel interference, which can be updated at high speed. The fourth is dynamic small partition interval, which can flexibly change the beam width, pointing angle and shape of the small partition interval to achieve the purpose of average traffic load, traffic alternation management and interference control.
Currently, a general array antenna can only transmit at an angle within a specific range, and has limited functions, which makes it difficult to satisfy multiple usage requirements, so that an innovative antenna configuration capable of flexibly adjusting the signal transmission range according to the communication range requirement is further required in the future, which is an important technical subject worth paying attention to and solving breakthrough in the related industries.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide a switching control device with adjustable lobe width for a sub-array antenna.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A lobe width adjustable switching control device of a sub-array antenna is used for switching and controlling the distribution angle or range of the lobe width of a radiation field type of a sub-array antenna, the sub-array antenna at least comprises a plurality of groups of antenna radiation units which are arranged in a single row at intervals, and each antenna radiation unit is provided with at least one feed end; the lobe width adjustable switching control device comprises at least one switching control unit, wherein each switching control unit comprises at least one signal feed-in part, a plurality of power distributors, a plurality of receiving and sending modules and at least one switch, and the signal feed-in part is used for feeding in receiving and sending signals; the plurality of transceiver modules are electrically connected with a corresponding feed terminal in the plurality of array antenna radiation units respectively, and each transceiver module has power receiving and transmitting functions; the signal feed-in part and the plurality of power distributors, and the plurality of power distributors and the plurality of transceiving modules are electrically connected through the connecting circuit respectively; the switch is arranged at least one position of the connecting circuit to switch the distribution ratio mode of the receiving and sending signals.
By this innovation unique configuration form and technical characteristics, make the utility model discloses contrast prior art, can specifically realize switching control subarray antenna radiation field type lamella wide distribution angle or the function of scope to reach the advantage and the practical progressive nature that satisfy many first demands.
The utility model discloses a further purpose, it is horizontal and plural list upright to mutually whole and set up the array form that the structure forms that forms all together more to adopt plural list to the subarray antenna that reveals, each single subarray antenna that transversely sets up again and each single subarray antenna that upright sets up carry out switching control through different switching control unit separately, and it sets up direction change over switch in order to switch receiving and dispatching signal system to feed in and transversely set up or upright to another technical characterstic such as the subarray antenna that sets up to more between the different switching control unit, thereby reach the more many-element perfect advantage and the practical progressive nature of power distribution mode.
Drawings
Fig. 1 is a schematic diagram of a switching control unit according to a preferred embodiment of the present invention.
Fig. 2 shows a first embodiment of a power distribution scheme according to the preferred embodiment of the present invention.
Fig. 3 shows a second embodiment of the power distribution mode according to the preferred embodiment of the present invention.
fig. 4 shows a third embodiment of the power distribution mode according to the preferred embodiment of the present invention.
Fig. 5 corresponds to the distribution ratio graph of the radiation field pattern lobe width of fig. 2.
Fig. 6 corresponds to the distribution ratio graph of the radiation field pattern lobe width of fig. 3.
Fig. 7 corresponds to the distribution ratio graph of the radiation field pattern lobe width of fig. 4.
Fig. 8 is a diagram of an embodiment of the present invention in an array antenna configuration.
FIG. 9 is a diagram of an embodiment of the power distribution signal switched by the direction switch in the embodiment disclosed in FIG. 8, which is fed to a vertically arranged sub-array antenna.
FIG. 10 is a diagram of an embodiment of the power distribution signal fed to a transversely disposed sub-array antenna by a direction switch according to the embodiment disclosed in FIG. 8.
Fig. 11 to 16 are diagrams illustrating power distribution variations according to the embodiment disclosed in fig. 8.
Fig. 17 is a diagram of an embodiment of a power divider configuration with symmetrical distribution for two power distribution units according to the present invention.
Fig. 18 is a diagram of an embodiment of the power divider configuration of two power divider units of the present invention in an asymmetric distribution mode.
Detailed Description
As shown in fig. 1 to 7, the preferred embodiment of the switching control device with adjustable lobe width for sub-array antenna of the present invention is only for illustrative purpose, and is not limited by the structure in the patent application.
The lobe width adjustable switching control device is used for switching and controlling the lobe width distribution angle or range of a radiation field type of a sub-array antenna 10, the sub-array antenna 10 at least comprises a plurality of array antenna radiation units 11 which are arranged in a single row at intervals, and each antenna radiation unit 11 is provided with at least one feed end 12; the lobe width adjustable switching control device comprises at least one switching control unit A, wherein each switching control unit A comprises at least one signal feed-in part, a plurality of power distributors, a plurality of transceiving modules and at least one switch (note: these components are described in the following embodiments by reference numerals to avoid the repetition of figures), wherein the at least one signal feed-in part is used for feeding in transceiving signals; the plurality of transceiver modules are electrically connected to corresponding feeding terminals of the plurality of antenna radiating units, respectively, and each transceiver module has power receiving and transmitting functions; the at least one signal feed-in part is electrically connected with the plurality of power distributors and the plurality of power distributors are electrically connected with the plurality of transceiving modules through connecting circuits; the at least one switch is arranged at least one position of the connecting circuit and used for switching the distribution proportion mode of the receiving and sending signals.
As shown in fig. 1 and 2, in this embodiment, the sub-array antenna 10 includes eight antenna radiation units 11, and each switching control unit a includes eight transceiver modules 40(T/R modules, TRMs) electrically connected to a corresponding one of the feeding terminals 12 of the eight antenna radiation units 11; the signal feeding part of each switching control unit A includes a first signal feeding part 21, a second signal feeding part 22 and a third signal feeding part 23; the power divider comprises four first-layer power dividers 31, two second-layer power dividers 32 and a third-layer power divider 33; the switch includes a first switch 51 and a second switch 52; wherein, the four first-layer power dividers 31 are used to connect a plurality of adjacent ones of the eight transceiver modules 40 in parallel, each first-layer power divider 31 is provided with two first-layer connecting circuits 315 to connect two transceiver modules 40 corresponding to and adjacent to the first-layer power divider; the two second-layer power dividers 32 are used to connect a plurality of adjacent first-layer power dividers 31 in parallel, each second-layer power divider 32 is provided with two second-layer connecting circuits 325 to connect two corresponding adjacent first-layer power dividers in parallel; the third-tier power divider 33 is provided with two third-tier connection circuits 335 to connect the two second-tier power dividers 32 in parallel; the first switch 51 is disposed between one of the third layer connecting circuits 335 of the third layer power divider 33 and one of the second layer power divider 32, the first switch 51 is in a single-axis double-switch type and includes a transmission contact 513, a first switch contact 511 and a second switch contact 512, wherein the transmission contact 513 of the first switch 51 is electrically connected to the second layer power divider 32, and the first switch contact 511 is electrically connected to one of the third layer connecting circuits 335 of the third layer power divider 33; the first signal feeding part 21 is electrically connected to the second switching contact 512 of the first switch 51; the second switch 52 is disposed between one of the second layer connecting circuits 325 of the second layer power distributor 32 and one of the first layer power distributors 31, the second switch 52 is in a single-axis double-switch type, and includes a transmission contact 523, a first switch contact 521 and a second switch contact 522, wherein the transmission contact 523 of the second switch 52 is electrically connected to the corresponding first layer power distributor 31, and the first switch contact 521 is electrically connected to one of the second layer connecting circuits 325 of the second layer power distributor 32; the first switch 51 and the second switch 52 are electrically connected to the same second layer connecting circuit 325; the second signal feeding part 22 is electrically connected to the second switching contact 522 of the second switch 52; the third signal feeding portion 23 is electrically connected to the third-layer power divider 33.
In the above-mentioned embodiment, when the transceiving signal 05 is inputted from the second signal feeding part 22 and the second switch 522 of the second switch 52 is conducted to the transmission contact 523, as shown in fig. 2, a distribution mode of the transmitting power of the two transceiving modules 40 electrically connected correspondingly is formed; as shown in fig. 3, when the transmitting/receiving signal 05 is inputted from the first signal feeding part 21, the second switch contact 512 of the first switch 51 is conducted with the transmission contact 513, and the first switch contact 521 of the second switch 52 is conducted with the transmission contact 523, a distribution mode of the transmitting power of the four transmitting/receiving modules 40 electrically connected correspondingly is formed; as shown in fig. 4, when the transceiving signal 05 is inputted from the third signal feeding part 23, and both the first switch 51 and the second switch 52 are conducted to the first switch contacts 511 and 521 and the transmission contacts 513 and 523, a distribution mode of the transmitting power of the eight transceiving modules 40 electrically connected correspondingly is formed; the signal power distribution patterns disclosed in fig. 2, 3 and 4 have the respective radiation field type lobe width distribution angles or ranges as disclosed in fig. 5, 6 and 7, so that it can be seen that the structure and configuration characteristics of the switching device with adjustable lobe width of the sub-array antenna of the present invention can actually realize the function of switching the radiation field type lobe width distribution angles or ranges of the sub-array antenna 10, thereby achieving the advantage of satisfying multiple requirements.
Wherein each single row of the sub-array antenna adopts either a horizontal arrangement or a vertical arrangement (as shown in fig. 1).
As shown in FIG. 8, the sub-array antenna 10B disclosed in this embodiment adopts an array configuration formed by arranging a plurality of single rows horizontally and vertically integrated with each other; the horizontally arranged single-row sub-array antennas 10B and the vertically arranged single-row sub-array antennas 10B are respectively switched and controlled by different switching control units A; in addition, a setting direction switch 60 is further provided between different switching control units a for controlling the horizontal and vertical arrangement of each single-row sub-array antenna 10B for switching the feeding of the transmitting/receiving signal 05 to one of the horizontally arranged sub-array antenna 10B (as shown in fig. 9) or the vertically arranged sub-array antenna 10B (as shown in fig. 10); the array antenna embodiments disclosed in this paragraph are more diverse than the single-row sub-array antenna, and therefore the power distribution pattern can be more complex, as shown in fig. 11 to 16.
Wherein, the antenna radiation unit 11 is any one of the following: a monopole element, a dipole element, a planar antenna or a helical antenna (note: or other forms of radiating elements); the antenna radiation unit 11 is an embodiment of a dipole element, as shown in fig. 2.
As shown in fig. 17, in this embodiment, the plurality of power dividers 34 are divided into at least two power dividing units 35, 36 by the branches of the connecting circuit 345, and the power divider configuration of the at least two power dividing units 35, 36 is a symmetrical distribution configuration; or two power distribution units 35B, 36B as shown in fig. 18, in which the configuration of the power distributor 34 is an asymmetric distribution type; the embodiments disclosed in this paragraph are mainly for illustration, and the configuration of the power divider of the present invention can be a symmetrical or asymmetrical configuration for different power divider units formed by dividing the shunt of the connection circuit, and can be adapted to the requirements of the customers.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A lobe width adjustable switching control device of a sub-array antenna is used for switching and controlling the distribution angle or range of the lobe width of a radiation field type of a sub-array antenna, the sub-array antenna at least comprises a plurality of groups of antenna radiation units which are arranged in a single row at intervals, and each antenna radiation unit is provided with at least one feed end; the device is characterized in that the lobe width adjustable switching control device comprises at least one switching control unit, wherein each switching control unit comprises at least one signal feed-in part, a plurality of power distributors, a plurality of transceiving modules and at least one switch, wherein at least one signal feed-in part is used for feeding in transceiving signals; the plurality of transceiver modules are electrically connected with corresponding feed terminals of the plurality of antenna radiation units, and each transceiver module has power receiving and transmitting functions; at least one signal feed-in part and the plurality of power distributors, and the plurality of power distributors and the plurality of transceiving modules are electrically connected through connecting circuits respectively; at least one switch is arranged at least one position of the connecting circuit and used for switching the distribution ratio mode of the receiving and sending signals.
2. The apparatus of claim 1, wherein the plurality of power dividers are divided into at least two power divider units by dividing the connecting circuit, and the power dividers of at least two power divider units are configured to be symmetrically or asymmetrically distributed.
3. The apparatus for controlling switching of a sub-array antenna having a variable lobe width according to claim 2, wherein the sub-array antenna comprises eight antenna radiation units, each switching control unit comprises eight transceiver modules electrically connected to a corresponding feed terminal of the eight antenna radiation units; the signal feed-in part arranged in each switching control unit comprises a first signal feed-in part, a second signal feed-in part and a third signal feed-in part; the power divider comprises four first-layer power dividers, two second-layer power dividers and a third-layer power divider; the change-over switch comprises a first change-over switch and a second change-over switch; the four first-layer power dividers are used for respectively connecting a plurality of adjacent receiving and transmitting modules in the eight receiving and transmitting modules in parallel, and each first-layer power divider is provided with two first-layer connecting circuits so as to connect two corresponding receiving and transmitting modules adjacent to each other in parallel; the two second-layer power dividers are used for respectively connecting a plurality of adjacent first-layer power dividers in parallel, and each second-layer power divider is provided with two second-layer connecting circuits so as to connect two adjacent first-layer power dividers in parallel corresponding to the second-layer power dividers; the third layer power divider is provided with two third layer connecting circuits for connecting the two second layer power dividers in parallel; the first switch is arranged between one of the third layer connecting circuits of the third layer power distributor and one of the second layer power distributors, the first switch is in a single-shaft double-switch type and comprises a transmission contact, a first switch contact and a second switch contact, the transmission contact of the first switch is electrically connected with the second layer power distributor, and the first switch contact is electrically connected with one of the third layer connecting circuits of the third layer power distributor; the first signal feed-in part is electrically connected with the second switching contact of the first switch; the second change-over switch is arranged between one of the second layer connecting circuits of the second layer power distributor and one of the first layer power distributors, is in a single-shaft double-cutting type form and comprises a transmission contact, a first change-over contact and a second change-over contact, the transmission contact of the second change-over switch is electrically connected with the corresponding first layer power distributor, and the first change-over contact is electrically connected with one of the second layer connecting circuits of the second layer power distributor; the first change-over switch and the second change-over switch are electrically connected with the same second layer connecting circuit; the second signal feed-in part is electrically connected with a second switching contact of the second switch; the third signal feed-in part is electrically connected with the third layer power divider.
4. The apparatus for controlling the switching of the sub-array antenna with adjustable lobe width of claim 3, wherein when the transceiving signal is inputted from the second signal feeding portion and the second switch contact of the second switch is conducted with the transmission contact, a distribution mode of the transmitting power of two transceiving modules electrically connected correspondingly is formed; when the receiving/transmitting signal is inputted from the first signal feeding part, the second switching contact of the first switch is conducted with the transmission contact, and the first switching contact of the second switch is conducted with the transmission contact, a distribution mode of the transmitting power of the four receiving/transmitting modules is formed; when the receiving and sending signals are input by the third signal feed-in part and the first change-over switch and the second change-over switch are both the first change-over contact and the transmission contact, a distribution mode of the transmitting power of the eight receiving and sending modules which are correspondingly and electrically connected is formed.
5. The device for controlling switching of a sub-array antenna with adjustable lobe width according to any one of claims 1 to 4, wherein each single row of the sub-array antenna is disposed in a horizontal direction or a vertical direction.
6. The device for controlling switching of a sub-array antenna with adjustable lobe width according to any one of claims 1 to 4, wherein the sub-array antenna is in an array form formed by a plurality of single rows arranged in a horizontal direction and a plurality of single rows arranged in a vertical direction.
7. The apparatus for controlling switching of a sub-array antenna having an adjustable lobe width according to claim 6, wherein each of the single row sub-array antennas disposed in the horizontal direction and each of the single row sub-array antennas disposed in the vertical direction are each controlled to be switched by a different switching control unit.
8. The apparatus of claim 7, further comprising a direction switch for switching the transmission/reception signals to one of the horizontally disposed sub-array antenna or the vertically disposed sub-array antenna.
9. The apparatus for controlling the adjustable switching of the lobe width of the sub-array antenna according to claim 1, wherein the antenna radiating element is any one of the following: a single dipole element, a double dipole element, a plate antenna, or a helical antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660250.6U CN209747730U (en) | 2019-05-09 | 2019-05-09 | Switching control device with adjustable lobe width for sub-array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660250.6U CN209747730U (en) | 2019-05-09 | 2019-05-09 | Switching control device with adjustable lobe width for sub-array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209747730U true CN209747730U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920660250.6U Expired - Fee Related CN209747730U (en) | 2019-05-09 | 2019-05-09 | Switching control device with adjustable lobe width for sub-array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209747730U (en) |
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2019
- 2019-05-09 CN CN201920660250.6U patent/CN209747730U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |