CN115411527B - Device applied to integrated feed network fusing base station antennas - Google Patents
Device applied to integrated feed network fusing base station antennas Download PDFInfo
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- CN115411527B CN115411527B CN202210459243.6A CN202210459243A CN115411527B CN 115411527 B CN115411527 B CN 115411527B CN 202210459243 A CN202210459243 A CN 202210459243A CN 115411527 B CN115411527 B CN 115411527B
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- network
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- 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
- H01Q3/32—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 mechanical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides a device applied to an integrated feed network fusing base station antennas, which combines a two-power-division phase-shift network and a combining network into one device, simplifies the network structure of the whole antenna, has high integration degree, is more beneficial to modularized production and installation, and improves the consistency of the whole performance of the system. It comprises the following steps: the two power division phase shifting networks are specifically a first power division phase shifting network and a second power division phase shifting network; the system comprises a combining network, wherein N combiners are arranged on the combining network, and N is more than or equal to 2; the cavity shell is provided with three cavities which are independently arranged, the upper end of the cavity shell is provided with a first long-strip-shaped cavity, and the lower end of the cavity shell is provided with two rows of second long-strip-shaped cavities and a third long-strip-shaped cavity along the width direction; the first power division phase-shifting network is arranged in the second cavity in a plug-in manner, the second power division phase-shifting network is arranged in the third cavity in a plug-in manner respectively, and the combining network is arranged in the first cavity in a positioning manner in a plug-in manner.
Description
Technical Field
The invention relates to the technical field of mobile communication antennas, in particular to a device applied to an integrated feed network fusing base station antennas.
Background
At present, with the opening of the era of large convergence of network co-sited network communication of the fourth generation mobile communication system (4G) network and the fifth generation mobile communication system (5G) era, in implementing network coverage by operator network coverage, a multi-band converged antenna product which is compatible with multiple modes of the 4G network and can meet the coverage of the 5G network mode is needed. A series of integrated and miniaturized base station antenna schemes are provided for cooperation of operators, equipment manufacturers and large antenna manufacturers to meet market demands. Because the occupied space is limited and the windward area is small, the multi-frequency multi-mode fusion antenna is more and more popular, the multi-frequency multi-mode multi-antenna array is realized in the same antenna array, the multi-frequency multi-array fusion coplanar technical method is adopted for realizing, or the frequency division processing is carried out by adopting a broadband antenna, the frequency division of the antenna of the electric modulation base station comprises a separate phase-shifting feed network and a frequency division network, the conventional antenna network adopts discrete processing, the structural design is simpler and easy to realize, and the disadvantage is that the network is more complex, the integration level is poorer and the modularized production management is inconvenient.
Disclosure of Invention
Aiming at the problems, the invention provides a device applied to an integrated feed network fusing base station antennas, which combines a two-power-division phase-shift network and a combining network into one device, simplifies the network structure of the whole antenna, has high integration degree, is more beneficial to modularized production and installation, and improves the consistency of the whole performance of the system.
An apparatus for an integrated feed network for a converged base station antenna, comprising:
the two power division phase shifting networks are specifically a first power division phase shifting network and a second power division phase shifting network;
the system comprises a combining network, wherein N combiners are arranged on the combining network, and N is more than or equal to 2;
the cavity shell is provided with three cavities which are independently arranged, the upper end of the cavity shell is provided with a first long-strip-shaped cavity, and the lower end of the cavity shell is provided with two rows of second long-strip-shaped cavities and a third long-strip-shaped cavity along the width direction;
the first power division phase-shifting network is inserted and arranged in the second cavity, the second power division phase-shifting network is respectively inserted and arranged in the third cavity, and the combining network is inserted and arranged in the first cavity in a positioning way;
the first power division phase-shifting network comprises a first power division unit and a first phase-shifting unit, the first power division unit is of an N-division structure, each section of independent structure is provided with a corresponding medium part, the upper surface and the lower surface of a first carrier corresponding to the first power division unit are respectively provided with a first sliding medium component, the first phase-shifting unit consists of two groups of first sliding medium components, one end of the first sliding medium component in the length direction is respectively provided with a first pull rod, and the first pull rods positioned at the upper position and the lower position are fixedly connected to form a first pull rod component with one end protruding outwards from the second cavity;
the second power division phase-shifting network comprises a second power division unit and a second phase-shifting unit, the second power division unit is of an N-division structure, each section of independent structure is provided with a corresponding medium part, the upper surface and the lower surface of a second carrier corresponding to the second power division unit are respectively provided with a second sliding medium component, the second phase-shifting unit consists of two groups of second sliding medium components, one end of the second sliding medium component in the length direction is respectively provided with a second pull rod, and the second pull rods positioned at the upper position and the lower position are fixedly connected to form a second pull rod component with one end protruding outwards from the third cavity;
each combiner crosses the corresponding area of the N-division structure corresponding to the corresponding first power division phase-shifting network and the corresponding second power division phase-shifting network, feed probes are respectively arranged at the positions of the corresponding first power division phase-shifting network and the corresponding second power division phase-shifting network of each combiner, and the feed probes are respectively connected with the combiner, the first power division phase-shifting network and the corresponding second power division phase-shifting network at the positions of the corresponding area through holes in the cavity shell.
It is further characterized by:
the antenna reflector comprises a cavity shell, and is characterized by further comprising two cavity outer supporting pieces, wherein each cavity outer supporting piece comprises a profiling fixedly-connected end and a lower convex supporting foot, the two ends of the cavity shell in the length direction are respectively fixedly arranged at the profiling fixedly-connected ends, and the lower convex supporting feet are connected to the surface of the antenna reflector through fasteners;
the first sliding medium component and the second sliding medium component are the same sliding medium component and comprise a first sliding medium, a second sliding medium and a third sliding medium, the first sliding medium and the second sliding medium are respectively clamped at corresponding positions of two ends of the third sliding medium in the length direction through a trapezoid structure, the sliding medium components correspondingly cover medium parts of each section of independent structure of a N-division structure, the area and the position are different, and carriers of the power division phase-shifting network are fixed at middle positions of the corresponding cavities in the height direction through the upper layer of sliding medium components and the lower layer of sliding medium components;
the upper surface of the cavity shell is provided with N cavity external windows which are connected with an antenna radiation unit through a cable network;
the lower surface of the cavity shell is provided with corresponding input end welding windows and N output end welding windows corresponding to the second cavity and the third cavity respectively.
After the invention is adopted, the sliding medium component is pulled to move in the cavity by the pull rod component, and the length of the electric phase from the power division network to each port is changed by changing the coverage area of the medium of the power division network, so that the phase shifting purpose is realized, and the two network components of the phase shifting network and the combining network are successfully designed in a modularized manner by designing the integrated feed network; and through the design of integration feed network, simplified the network structure of whole antenna, compare in conventional closed-circuit feed network, degree of integration is high, more does benefit to modularization production installation, improves the uniformity of system's wholeness, and whole network component fixes in the cavity shell that possesses three-chamber structure, and whole module structure reliability is strong.
Drawings
FIG. 1 is a schematic diagram of a conventional phase shifting network and a combining network;
fig. 2 is a schematic diagram of a phase-shifting and combining integrated feed network device according to the present invention;
fig. 3 is an exploded schematic view of a phase-shifting and combining integrated feed network device according to the present invention;
FIG. 4 is a perspective view of the chamber housing of the present invention;
FIG. 5 is a schematic side view of a housing of the present invention;
FIG. 6 is a schematic diagram of a first power splitting phase shift network (with sliding media components removed) according to the present invention;
FIG. 7 is a schematic diagram of a second power splitting phase shift network (with sliding media components removed) according to the present invention;
FIG. 8 is a schematic diagram of a feed probe of the present invention;
fig. 9 is a schematic diagram of a combined network according to the present invention.
Detailed Description
An apparatus for an integrated feed network for a converged base station antenna, see fig. 2-9, comprising:
the two power division phase shifting networks are specifically a first power division phase shifting network 3 and a second power division phase shifting network 4;
a combining network 11, N combiners are arranged on the combining network 11, N is greater than or equal to 2;
the cavity shell 2 is provided with three cavities which are independently arranged, the upper end of the cavity shell 2 is provided with a first long-strip-shaped cavity 201, and the lower end of the cavity shell 2 is provided with two rows of second long-strip-shaped cavities 202 and third long-strip-shaped cavities 203 along the width direction;
the first power division phase shift network 3 is arranged in the second cavity 202 in a plug-in manner, the second power division phase shift network 4 is arranged in the third cavity 203 in a plug-in manner, and the combining network 11 is arranged in the first cavity 201 in a locating manner;
the first power division phase shift network 3 comprises a first power division unit 301 and a first phase shift unit 302, wherein the first power division unit 301 is of an N-division structure, each section of independent structure is provided with a corresponding medium part, the upper surface and the lower surface of a first carrier corresponding to the first power division unit 301 are respectively provided with a first sliding medium component, the first phase shift unit 302 consists of two groups of first sliding medium components, one end of the first sliding medium component in the length direction is respectively provided with a first pull rod 9, and the first pull rods 9 positioned at the upper and lower positions are fixedly connected to form a first pull rod component with one end protruding outwards from the second cavity 202;
the second power division phase shift network 4 comprises a second power division unit 401 and a second phase shift unit 402, the second power division unit 401 is of an N-division structure, each section of independent structure is provided with a corresponding medium part, the upper surface and the lower surface of a second carrier corresponding to the second power division unit 401 are respectively provided with a second sliding medium component, the second phase shift unit 102 consists of two groups of second sliding medium components, one end of the second sliding medium component in the length direction is respectively provided with a second pull rod 8, and the second pull rods 8 positioned at the upper and lower positions are fixedly connected to form a second pull rod component with one end protruding outwards from the third cavity 203;
each combiner crosses the corresponding area of the corresponding N-division structure corresponding to the corresponding first power division phase-shifting network 3 and the corresponding second power division phase-shifting network 4, the positions of the corresponding first power division phase-shifting network 3 and the corresponding second power division phase-shifting network 4 of each combiner are respectively provided with a feed probe 10, and the feed probes 10 are respectively connected with the combiner, the first power division phase-shifting network 3 and the corresponding second power division phase-shifting network 4 in the corresponding area positions through holes in the cavity shell 3.
The antenna reflector comprises a cavity body and is characterized by further comprising two cavity body outer supporting pieces 1, wherein each cavity body outer supporting piece 1 comprises a profiling fixedly-connected end 101 and a lower convex supporting foot 102, two ends of the cavity body outer shell 2 in the length direction are fixedly arranged at the profiling fixedly-connected end 101 respectively, and the lower convex supporting foot 102 is connected to the surface of the antenna reflector through a fastener;
the first sliding medium component and the second sliding medium component are the same sliding medium component, and comprise a first sliding medium 6, a second sliding medium 7 and a third sliding medium 5, wherein the first sliding medium 6 and the second sliding medium 7 are respectively clamped at corresponding positions of two ends of the third sliding medium 5 in the length direction through a trapezoid structure, the sliding medium components correspondingly cover medium parts of each section of independent structure of a N-division structure, the area and the position are different, and carriers of the power division phase-shifting network are fixed at the middle part of the corresponding cavity in the height direction through the upper layer of sliding medium component and the lower layer of sliding medium component;
the outer surface of the first cavity 201 of the cavity shell 2 is provided with N cavity external windows which are connected with an antenna radiation unit through a cable network;
the outer surfaces of the cavity housing 2 corresponding to the second cavity 202 and the third cavity 203 are respectively provided with corresponding input end welding windows and N output end welding windows.
In the implementation, the value of fig. 2-9,N is 5, the frequency band corresponding to the first power division phase-shifting network 3 is the a frequency, and the frequency band corresponding to the second power division phase-shifting network 4 is the B frequency.
In fig. 4, 2-a is an a-frequency input terminal welding window 2-1 to 2-5 is an a-frequency output terminal welding window, 2-B is a B-frequency input terminal welding window 2-6 to 2-10 is a B-frequency output terminal welding window.
In fig. 5, 2-I, 2-II, 2-III, 2-IV, 2-V are external windows of the cavity, connected to the antenna radiating element by a cable network.
In fig. 6, 3-I is the a-frequency input terminal 3-1 to 3-5 is the a-frequency output terminal;
in fig. 7, 4-I is the B frequency input terminal 4-1 to 4-5 is the a frequency output terminal;
fig. 8 is a schematic diagram of a structure of a feed probe, in which the feed probe 10 is placed into a cavity through an open hole structure on the surface of the cavity housing 2, and the first power division phase shift network 3 in the second cavity 202 and the second power division phase shift network 4 in the third cavity 203 are respectively connected with the combining network 11 of the first cavity 201, so as to form a complete frequency division feed network.
Fig. 9 shows a combiner network 11, 11-I to 11-V are combiner outputs, 11-1 to 11-5 are a-frequency inputs, and 11-6 to 11-10 are B-frequency inputs.
In specific implementation, the carriers of the first power division phase shift network 3 and the second power division phase shift network 4 are composed of PCB copper-clad plates (not only realized in the mode of upper surface materials, but also realized by various processes of metal material stamping, etc.), the power division part is of an air strip line structure, and the surface of the sliding medium, which is not oriented to the medium, slides along the corresponding fixed track arranged in the cavity.
The working principle is that the sliding medium component is pulled to move in the cavity by the pull rod component, the length of the electric phase from the power division network to each port is changed by changing the coverage area of the medium of the power division network, so that the purpose of phase shifting is realized, and the two network components of the phase shifting network and the combining network are successfully designed in a modularized manner by designing the integrated feed network; and through the design of integration feed network, simplified the network structure of whole antenna, compare in conventional closed-circuit feed network, degree of integration is high, more does benefit to modularization production installation, improves the uniformity of system's wholeness, and whole network component fixes in the cavity shell that possesses three-chamber structure, and whole module structure reliability is strong.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention 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 invention 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.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. An apparatus for an integrated feed network for a converged base station antenna, comprising:
the two power division phase shifting networks are specifically a first power division phase shifting network and a second power division phase shifting network;
the system comprises a combining network, wherein N combiners are arranged on the combining network, and N is more than or equal to 2;
the cavity shell is provided with three cavities which are independently arranged, the upper end of the cavity shell is provided with a first long-strip-shaped cavity, and the lower end of the cavity shell is provided with two rows of second long-strip-shaped cavities and a third long-strip-shaped cavity along the width direction;
the first power division phase-shifting network is inserted and arranged in the second cavity, the second power division phase-shifting network is respectively inserted and arranged in the third cavity, and the combining network is inserted and arranged in the first cavity in a positioning way;
the first power division phase-shifting network comprises a first power division unit and a first phase-shifting unit, the first power division unit is of an N-division structure, each section of structure is provided with a corresponding medium part, the upper surface and the lower surface of a first carrier corresponding to the first power division unit are respectively provided with a first sliding medium component, the first phase-shifting unit consists of two groups of first sliding medium components, one end of each group of first sliding medium components in the length direction is respectively provided with a first pull rod, and the first pull rods positioned at the upper position and the lower position are fixedly connected to form a first pull rod component with one end protruding outwards from the second cavity;
the second power division phase-shifting network comprises a second power division unit and a second phase-shifting unit, the second power division unit is of an N-division structure, each section of structure is provided with a corresponding medium part, the upper surface and the lower surface of a second carrier corresponding to the second power division unit are respectively provided with a second sliding medium component, the second phase-shifting unit consists of two groups of second sliding medium components, one end of each group of second sliding medium components in the length direction is respectively provided with a second pull rod, and the second pull rods positioned at the upper position and the lower position are fixedly connected to form a second pull rod component with one end protruding outwards from the third cavity;
each combiner crosses the corresponding area of the N-division structure corresponding to the corresponding first power division phase-shifting network and the corresponding second power division phase-shifting network respectively, the positions of the corresponding first power division phase-shifting network and the corresponding second power division phase-shifting network of each combiner are respectively provided with a feed probe, and the feed probes are respectively connected with the combiner, the first power division phase-shifting network and the second power division phase-shifting network at the positions of the corresponding areas through holes in the cavity shell;
the first sliding medium component and the second sliding medium component are the same sliding medium component and comprise a first sliding medium, a second sliding medium and a third sliding medium, the first sliding medium and the second sliding medium are respectively clamped at corresponding positions of two ends of the third sliding medium in the length direction through a trapezoid structure, the sliding medium components correspondingly cover medium parts of each section of independent structure of a N-division structure, the area and the position are different, and carriers of the power division phase-shifting network are fixed at middle positions of the corresponding cavities in the height direction through the upper layer of sliding medium components and the lower layer of sliding medium components;
the carriers of the first power division phase shift network and the second power division phase shift network are composed of PCB copper-clad plates, the power division part is of an air strip line structure, and the surface of the sliding medium, which is not oriented to the medium, slides along the corresponding fixed track arranged in the cavity.
2. An apparatus for an integrated feed network for converged base station antennas in accordance with claim 1, wherein: the antenna reflector comprises a cavity shell, and is characterized by further comprising two cavity outer supporting pieces, wherein each cavity outer supporting piece comprises a profiling fixedly-connected end and a lower convex supporting foot, both ends of the cavity shell in the length direction are fixedly arranged at the profiling fixedly-connected ends respectively, and the lower convex supporting feet are connected to the surface of the antenna reflector through fasteners.
3. An apparatus for an integrated feed network for converged base station antennas in accordance with claim 1, wherein: the upper surface of cavity shell is provided with N cavity external window, and it passes through cable network connection antenna radiation unit.
4. An apparatus for an integrated feed network for converged base station antennas in accordance with claim 1, wherein: the lower surface of the cavity shell is provided with corresponding input end welding windows and N output end welding windows corresponding to the second cavity and the third cavity respectively.
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| CN202210459243.6A CN115411527B (en) | 2022-04-27 | 2022-04-27 | Device applied to integrated feed network fusing base station antennas |
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| CN202210459243.6A CN115411527B (en) | 2022-04-27 | 2022-04-27 | Device applied to integrated feed network fusing base station antennas |
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| CN115411527A CN115411527A (en) | 2022-11-29 |
| CN115411527B true CN115411527B (en) | 2023-08-04 |
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