CN112768929B - 5G panel beating shaping dual-band filtering antenna - Google Patents
5G panel beating shaping dual-band filtering antenna Download PDFInfo
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- CN112768929B CN112768929B CN202011564822.4A CN202011564822A CN112768929B CN 112768929 B CN112768929 B CN 112768929B CN 202011564822 A CN202011564822 A CN 202011564822A CN 112768929 B CN112768929 B CN 112768929B
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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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01Q1/00—Details of, or arrangements associated with, antennas
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- H01Q1/285—Aircraft wire antennas
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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
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- H—ELECTRICITY
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- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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Abstract
The invention discloses a 5G metal plate forming dual-band filtering antenna which comprises a reflecting plate, a power distribution network component and a radiating sheet clamped at the top of the power distribution network component, wherein the power distribution network component is assembled and arranged on the reflecting plate through a clamping and supporting component, the power distribution network component comprises a first power distribution unit and a second power distribution unit which are assembled and arranged oppositely and a signal isolation cavity formed by surrounding, and the first power distribution unit and the second power distribution unit are respectively provided with at least two groups of first opening resonance rings and second opening resonance rings; according to the invention, the power distribution network component with a three-dimensional structure is designed and is erected by adopting the clamping support component to form the independent signal isolation cavity, so that the problem of centralized integration of out-of-band rejection capability of the filter is solved, the signal rejection capability can be improved within a double-frequency band range, the number of the first split resonance rings and the second split resonance rings is reduced, the production cost is reduced, the isolation degree between positive polarization and negative polarization can be improved, and the power distribution network component has the advantages of simple structure and low loss.
Description
Technical Field
The invention relates to the technical field of filter antennas, in particular to a 5G metal plate forming dual-band filter antenna.
Background
An active antenna processing unit (AAU) of the 5G base station mainly comprises components such as a Massive MIMO antenna, a filter, an active component and the like, wherein the antenna and the filter are two independent components. The filter generally adopts a metal cavity filter or a ceramic filter, the function of the filter is to suppress signals outside the working frequency band of the antenna and ensure the transmission quality of the signals in the working frequency band, and the antenna and the filter are generally connected by a radio frequency connector. In order to ensure the out-of-band rejection index of the filter in a smaller range, the number of resonant cavities of the filter is generally increased, which directly increases the cost of the filter and the insertion loss.
Therefore, how to integrate the out-of-band rejection capability of the filter into the antenna mainly, and further reducing the number of resonant cavities becomes a current major technical problem.
Disclosure of Invention
In order to overcome the technical problem, the invention discloses a 5G metal plate forming dual-band filtering antenna.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the utility model provides a 5G panel beating shaping dual-band filtering antenna, its include the reflecting plate, the merit divide the network subassembly, and block in the radiation piece at network subassembly top is divided to the merit, the merit divide the network subassembly through block supporting component assembly set up in on the reflecting plate, the merit divide the network subassembly including relatively assemble the first merit that sets up divide unit and second merit to divide the unit and around the signal isolation chamber that forms, first merit divides unit, second merit to divide the unit to be provided with two sets of first opening resonance ring, second opening resonance ring respectively at least.
The 5G sheet metal forming dual-band filtering antenna includes a first power dividing unit, a first polarization feed and a second polarization feed, wherein the first power dividing unit includes a first power dividing network, and the first polarization feed and the second polarization feed are integrally formed, the first polarization feed includes a first support section and a first output section which are arranged at an included angle, the first support section and the first power dividing network are fixedly connected at an included angle, and the first polarization feed and the first output section of the second polarization feed are arranged oppositely and parallel to each other;
the first opening resonance ring comprises a first resonance branch section, a second resonance branch section and a third resonance branch section which are sequentially arranged at an included angle on one side of the first support section far away from the signal isolation cavity in an extending mode, the length of the first resonance branch section is larger than that of the third resonance branch section, and a first resonance cavity is formed among the first support section, the first resonance branch section, the second resonance branch section and the third resonance branch section in a surrounding mode.
Foretell 5G panel beating shaping dual-band filtering antenna, wherein first merit divides the network to switch on the section including the first input section, the first section that switches on, the first transmission section, the second transmission section that sets gradually, first transmission section perpendicular to the second transmission section, first polarization feed, the second polarization feed respectively with first section, the second section fixed connection that switches on, just first polarization feed first output section and first transmission section, the second polarization feed first output section and second transmission section all are 45 contained angles.
The 5G sheet metal forming dual-band filtering antenna includes a second power dividing unit, a third polarization feed and a fourth polarization feed, wherein the second power dividing unit includes a second power dividing network, the third polarization feed and the fourth polarization feed are integrally formed, the third polarization feed includes a second support section and a second output section which are arranged at an included angle, the second support section and the second power dividing network are fixedly connected at an included angle, and the second output sections of the third polarization feed and the fourth polarization feed are arranged oppositely and parallel to each other;
the second split ring resonator comprises a fourth resonance branch section, a fifth resonance branch section and a sixth resonance branch section, wherein one side of the second support section far away from the signal isolation cavity extends in sequence at an included angle, the length of the fourth resonance branch section is larger than that of the sixth resonance branch section, and a second resonant cavity is formed among the second support section, the fourth resonance branch section, the fifth resonance branch section and the sixth resonance branch section in a surrounding mode.
Foretell 5G panel beating shaping dual-band filtering antenna, wherein the second merit divides the network to switch on section, third transmission section, circuitous section and fourth including the second input section, the third that set gradually, circuitous section includes at least two sets of gyration dog-ears, third polarization feed, fourth polarization feed respectively with the third switches on section, fourth and switches on section fixed connection, just the third polarization feed the second output section switches on the section with the third, fourth polarization feed the second output section switches on the section with the fourth and all is 45 contained angles.
The 5G sheet metal forming dual-band filtering antenna comprises a first support frame and a second support frame which are equal in height and are assembled, wherein the first support frame comprises a first supporting part and a second supporting part which are identical in structure and respectively correspond to the first polarization feed and the second polarization feed, the first supporting part comprises a first lower mounting section, a first middle mounting section and a first upper mounting section which are integrally formed, the first lower mounting section, the first middle mounting section and the first upper mounting section are respectively provided with a first clamping hook, a second clamping hook and a third clamping hook in an extending manner for locking the first resonance branch section, the third resonance branch section and the first output section in an extending manner, the first lower mounting section is provided with a first assembling section in a downward extending manner, and the first assembling section comprises a first clamping bulge, a second clamping bulge and a third clamping hook which are respectively used for locking the first conducting section and the reflecting plate, And the first upper mounting section extends upwards to form a third clamping bulge for locking the radiation sheet.
The 5G sheet metal forming dual-band filtering antenna comprises a second support frame, a third support portion and a fourth support portion, wherein the second support frame comprises a third support portion and a fourth support portion which are identical in structure and respectively correspond to the third polarized feed and the fourth polarized feed, the third support portion comprises a second lower mounting section, a second middle mounting section and a second upper mounting section which are integrally formed, the second lower mounting section, the second middle mounting section and the second upper mounting section are respectively provided with a fourth clamping hook, a fifth clamping hook and a sixth clamping hook in an extending mode, the fourth clamping hook is used for locking the fourth resonant branch section, the sixth resonant branch section and the second output section, the second lower mounting section is provided with a second assembling section and a fourth clamping bulge in a downward extending mode and used for locking the third transmission section, the second assembling section comprises a fifth clamping bulge, a fifth clamping bulge and a sixth clamping bulge, a fourth clamping bulge and a fourth clamping bulge, a fifth clamping bulge and a fourth clamping bulge are respectively used for locking the third conducting section and the reflecting plate, And the second upper mounting section extends upwards to form a seventh clamping bulge for locking the radiation sheet.
The above 5G sheet metal forming dual-band filtering antenna, wherein the first support frame and the second support frame include a holding cavity for avoiding the signal isolation cavity, and the first support frame and the second support frame are respectively and adaptively provided with a first clamping groove and a second clamping groove for clamping with each other.
The above 5G sheet metal forming dual-band filtering antenna includes a signal radiation center section, and at least four groups of main branches and auxiliary branches alternately arranged in sequence around the signal radiation center section at intervals, wherein the main branches are connected with the second card fixing protrusion and the sixth card fixing protrusion in a clamping manner, and an anti-interference gap for preventing electromagnetic interference is formed between the main branches and the auxiliary branches.
The 5G sheet metal forming dual-band filtering antenna comprises a first radiating branch section, a second radiating branch section, a third radiating branch section and a radiating cavity formed by enclosing, wherein the first radiating branch section, the second radiating branch section and the third radiating branch section are sequentially arranged in an included angle mode, and the first radiating branch section and the third radiating branch section are connected with the signal radiating central section in an extending mode.
The invention has the beneficial effects that: the power distribution network component with the three-dimensional structure is designed reasonably and skillfully, and is erected by the clamping support component to form an independent signal isolation cavity, so that the problem of centralized integration of the out-of-band rejection capability of the filter is solved, the signal rejection capability can be improved within the range of the double-frequency band of the first power distribution unit and the second power distribution unit, the number of the first open-ended resonance rings and the second open-ended resonance rings is reduced, the production cost is reduced, the isolation between the positive polarization and the negative polarization of the first power distribution unit and the second power distribution unit can be improved, the structure of the radiation piece is optimized, and the double-frequency-band filtering effect of the filter antenna is effectively improved; the first open-loop resonator and the second open-loop resonator are respectively arranged on the first power dividing unit and the second power dividing unit, so that the filtering capability of the first power dividing unit and the second power dividing unit is effectively improved, signals outside an antenna working frequency band are effectively inhibited, and the transmission quality of the signals inside the working frequency band is ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of a power distribution network component according to the present invention;
fig. 3 is a schematic perspective view of a first power dividing unit according to the present invention;
fig. 4 is a schematic perspective view of a second power dividing unit according to the present invention;
FIG. 5 is a perspective view of the engagement support assembly of the present invention;
FIG. 6 is a perspective view of the first support frame of the present invention;
FIG. 7 is a perspective view of a second support frame according to the present invention;
fig. 8 is a perspective view of the radiation plate of the present invention.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to facilitate the understanding and appreciation of the technical solutions of the present invention, rather than to limit the invention thereto.
Example (b): referring to fig. 1 to 8, the 5G sheet metal forming dual-band filtering antenna provided in this embodiment includes a reflection plate 1, a power distribution network component 2, and a radiation plate 4 clamped at the top of the power distribution network component 2, where the power distribution network component 2 is assembled on the reflection plate 1 through a clamping support component 3, the power distribution network component 2 includes a first power distribution unit 21 and a second power distribution unit 22 that are assembled relatively, and a signal isolation cavity formed by surrounding, and the first power distribution unit 21 and the second power distribution unit 22 are respectively provided with at least two sets of first open-ended resonance rings and second open-ended resonance rings.
Specifically, by designing the power distribution network component 2 with a three-dimensional structure and erecting the power distribution network component by using the clamping support component 3 to form an independent signal isolation cavity, the problem of centralized integration of out-of-band rejection capability of a filter is solved, the signal rejection capability can be improved within the range of a dual-frequency band of the first power distribution unit 21 and the second power distribution unit 22, the number of the first open-ended resonance ring and the second open-ended resonance ring is reduced, the production cost is reduced, the isolation between the positive polarization and the negative polarization of the first power distribution unit 21 and the second power distribution unit 22 can be improved, the structure of the radiation piece 4 is optimized, and the dual-frequency band filtering effect of the filtering antenna is effectively improved; the first open-loop resonator and the second open-loop resonator are respectively disposed on the first power dividing unit 21 and the second power dividing unit 22, so as to effectively improve the filtering capability thereof, effectively suppress signals outside the operating frequency band of the antenna, and ensure the transmission quality of signals within the operating frequency band.
Preferably, the first power dividing unit 21 includes a first power dividing network formed integrally, and a first polarization feed and a second polarization feed having the same structure, where the first polarization feed includes a first support section 2121 and a first output section 2122 arranged at an included angle, the first support section 2121 is fixedly connected to the first power dividing network at an included angle, and the first polarization feed and the first output section 2122 of the second polarization feed are arranged opposite to each other and parallel to each other; specifically, the first power distribution network is connected with a first polarization feed and a second polarization feed by welding, and the first support section 2121 is perpendicular to the first power distribution network to form an independent signal isolation cavity, so as to ensure transmission quality of signals within an operating frequency band; the first polarization feed and the second polarization feed have the same structure, so as to ensure the reliability of signal transmission of the first power dividing unit 21;
the first open-ended resonant ring comprises a first resonant branch section, a second resonant branch section and a third resonant branch section which are sequentially arranged at an included angle on one side of the first support section 2121 far away from the signal isolation cavity in an extending manner, the length of the first resonant branch section is greater than that of the third resonant branch section, and a first resonant cavity is formed among the first support section 2121, the first resonant branch section, the second resonant branch section and the third resonant branch section in a surrounding manner; specifically, the included angles between two adjacent groups of the first support section 2121, the first resonant branch section, the second resonant branch section and the third resonant branch section are all 90 degrees; the independent first resonant cavities are arranged in the filtering antenna, so that the traditional filter with a plurality of resonant cavities is replaced, the production cost is reduced, and the isolation between the anode and the cathode of the filtering antenna can be improved.
Preferably, the first power distribution network includes a first input section 2111, a first conducting section 2112, a first transmission section 2113, a second transmission section 2114 and a second conducting section 2115 which are sequentially arranged, the first transmission section 2113 is perpendicular to the second transmission section 2114, the first polarization feed and the second polarization feed are respectively and fixedly connected with the first conducting section 2112 and the second conducting section 2115, and the first output section 2122 of the first polarization feed and the first transmission section 2113 as well as the first output section 2122 and the second transmission section 2114 of the second polarization feed form an included angle of 45 °; specifically, the included angle between the first transmission section 2113 and the second transmission section 2114 is 90 °; the structure of the first power division network is effectively planned, so that the reliability of signal transmission can be improved on one hand, and the structural volume of the filtering antenna can be saved on the other hand.
Preferably, the second power dividing unit 22 includes a second power dividing network formed integrally, and a third polarized feed and a fourth polarized feed having the same structure, where the third polarized feed includes a second support section 2221 and a second output section 2222 arranged at an included angle, the second support section 2221 and the second power dividing network are fixedly connected at an included angle, and the second output sections 2222 of the third polarized feed and the fourth polarized feed are arranged oppositely and parallel to each other; specifically, the second support section 2221 is perpendicular to the second power dividing network to form an independent signal isolation cavity, so as to ensure transmission quality of signals within an operating frequency band; the third polarization feed and the fourth polarization feed have the same structure, so as to ensure the reliability of signal transmission of the second power dividing unit 22;
the second split resonant ring comprises a fourth resonant branch section, a fifth resonant branch section and a sixth resonant branch section which are sequentially arranged at an included angle on one side of the second support section 2221 away from the signal isolation cavity, the length of the fourth resonant branch section is greater than that of the sixth resonant branch section, and a second resonant cavity is formed among the second support section 2221, the fourth resonant branch section, the fifth resonant branch section and the sixth resonant branch section; specifically, the included angles between two adjacent groups of the second support section 2221, the fourth resonant branch section, the fifth resonant branch section and the sixth resonant branch section are all 90 degrees; the second resonant cavity is arranged in the filtering antenna independently, so that the traditional filter with a plurality of resonant cavities is replaced, the production cost is reduced, and the isolation between the anode and the cathode of the filtering antenna can be improved.
Preferably, the second power division network includes a second input section 2211, a third conducting section 2212, a third transmission section 2213, a roundabout section 2214, and a fourth conducting section 2215, which are sequentially arranged, the roundabout section 2214 includes at least two sets of turning bends, the third polarized feed and the fourth polarized feed are respectively and fixedly connected to the third conducting section 2212 and the fourth conducting section 2215, and the second output section 2222 of the third polarized feed and the third conducting section 2212, and the second output section 2222 of the fourth polarized feed and the fourth conducting section 2215 form an included angle of 45 °; specifically, the first output section 2122 is perpendicular to the second output section 2222, and the turning angle is 90 °; the structure of the second power division network is effectively planned, so that the reliability of signal transmission can be improved on one hand, and the structural volume of the filtering antenna can be saved on the other hand.
Preferably, the fastening support component 3 includes a first support frame 31 and a second support frame 32 that are equal in height and are assembled, the first support frame 31 includes a first support portion and a second support portion that have the same structure and are respectively disposed corresponding to the first polarization feed and the second polarization feed, the first support portion includes a first lower mounting section, a first middle mounting section, and a first upper mounting section that are integrally formed, the first lower mounting section, the first middle mounting section, and the first upper mounting section respectively extend to be provided with a first fastening hook 3111, a second fastening hook 3112, and a third fastening hook 3113 for fastening the first resonant branch section, the third resonant branch section, and the first output section 2122, the first lower mounting section extends downward to be provided with a first assembling section, and the first assembling section includes a first fastening protrusion 3114, a second fastening hook 3114, and a second fastening protrusion 3112 for fastening the first conducting section 2112 and the reflector 1, respectively, A second fastening protrusion 3115, in which a third fastening protrusion 3116 for locking the radiation plate 4 extends upward from the first upper mounting section; specifically, the first engaging hook 3111, the second engaging hook 3112 and the third engaging hook 3113 have the same structure, the first engaging hook 3111 includes a first connecting engaging section, a first limiting engaging section and a first positioning engaging section, the first connecting engaging section extends vertically from the first lower mounting section, and included angles between the first connecting engaging section and the first limiting engaging section, and between the first limiting engaging section and the first positioning engaging section are both 90 ° to firmly engage the first resonance branch section; the first lower mounting section, the first middle mounting section and the first upper mounting section which are provided with independent structures are divided, so that corresponding structures are effectively and fixedly supported, and the assembling reliability of the filter antenna is improved.
Preferably, the second supporting frame 32 includes a third supporting portion and a fourth supporting portion having the same structure and disposed corresponding to the third polarized feed and the fourth polarized feed, respectively, the third supporting portion includes a second lower mounting section, a second middle mounting section, and a second upper mounting section which are integrally formed, the second lower mounting section, the second middle mounting section, and the second upper mounting section are respectively extended and disposed with a fourth engaging hook 3211, a fifth engaging hook 3212, and a sixth engaging hook 3213 for locking the fourth resonant branch section, the sixth resonant branch section, and the second output section 2222, the second lower mounting section is extended and disposed with a second assembling section and a fourth engaging protrusion 3214 for locking the third transmitting section 2213, the second assembling section includes a fifth engaging protrusion 3215 and a sixth engaging protrusion 3216 for locking the third conducting section 2212 and the reflecting plate 1, respectively, a seventh clamping protrusion 3217 for locking the radiation sheet 4 is formed in the second upper mounting section in an upward extending manner; specifically, the fourth engaging hook 3211, the fifth engaging hook 3212, and the sixth engaging hook 3213 have the same structure, and the third engaging hook 3113 includes a second connecting engaging section, a second limiting engaging section, and a second positioning engaging section, where the second connecting engaging section extends vertically from the second lower mounting section, and included angles between the second connecting engaging section and the second limiting engaging section, and between the second limiting engaging section and the second positioning engaging section are both 90 °, so as to firmly engage the fourth resonant branch section; the second lower mounting section, the second middle mounting section and the second upper mounting section which are provided with independent structures are divided, so that corresponding structures are effectively and fixedly supported, and the assembling reliability of the filtering antenna is improved.
Further, the first support frame 31 and the second support frame 32 include an accommodating cavity for avoiding the signal isolation cavity, and the first support frame 31 and the second support frame 32 are respectively and adaptively provided with a first engaging groove 3117 and a second engaging groove 3218 for engaging with each other, so as to further lock the first support frame 31 and the second support frame 32, thereby improving the structural reliability of the filter antenna.
Preferably, the radiation sheet 4 includes a signal radiation central section 41, and at least four groups of main branches 42 and sub branches alternately arranged in sequence around the signal radiation central section 41 at intervals, the main branches 42 are connected with the second fastening protrusion 3115 and the sixth fastening protrusion 3216 in a fastening manner, and an anti-interference gap for preventing electromagnetic interference is formed between the main branches 42 and the sub branches; specifically, the main branch 42 is disposed corresponding to the first power dividing unit 21 and the second power dividing unit 22 to ensure that the signal is smoothly transmitted to the radiation patch 4; the main branch 42 and the auxiliary branch are respectively provided with four groups, and the anti-interference gaps are formed to divide the radiation sheet 4 into four centrosymmetric parts, so that the symmetric radiation structure is optimized under the condition of not changing the physical size of the filter antenna, the structure is simple, and the loss is effectively reduced.
Further, the secondary branch comprises a first radiation branch section 431, a second radiation branch section 432 and a third radiation branch section 433 which are sequentially arranged in an included angle manner, and a radiation cavity 434 is formed by enclosing, and the first radiation branch section 431 and the third radiation branch section 433 are connected with the signal radiation central section 41 in an extending manner; specifically, the lengths of the first radiation branch section 431 and the third radiation branch section 433 are the same, so that the radiation cavity 434 is an isosceles triangle cavity, and further optimizes the radiation structure with symmetrical filter antennas.
In the manufacturing process, firstly, a sheet metal strip line is bent to respectively form the first power dividing unit 21, the second power dividing unit 22, the first polarization feed, the second polarization feed, the third polarization feed and the fourth polarization feed, and the first power dividing unit 21, the first polarization feed and the second polarization feed, and the second power dividing unit 22, the third polarization feed and the fourth polarization feed are formed in a welding mode; assembling the power distribution network component 2 and the clamping support component 3, that is, the first clamping hook 3111, the second clamping hook 3112 and the third clamping hook 3113 respectively lock the first resonant branch segment, the third resonant branch segment and the first output segment 2122, and the fourth clamping hook 3211, the fifth clamping hook 3212 and the sixth clamping hook 3213 respectively lock the fourth resonant branch segment, the sixth resonant branch segment and the second output segment 2222; further, the radiation plate and the radiation plate 4 are assembled, that is, the radiation plate is locked by the second fixing protrusion 3115 and the sixth fixing protrusion 3216, and the radiation plate 4 is locked by the third fixing protrusion 3116 and the seventh fixing protrusion 3217.
The power distribution network component with the three-dimensional structure is designed reasonably and skillfully, and is erected by the clamping support component to form an independent signal isolation cavity, so that the problem of centralized integration of the out-of-band rejection capability of the filter is solved, the signal rejection capability can be improved within the range of the double-frequency band of the first power distribution unit and the second power distribution unit, the number of the first open-ended resonance rings and the second open-ended resonance rings is reduced, the production cost is reduced, the isolation between the positive polarization and the negative polarization of the first power distribution unit and the second power distribution unit can be improved, the structure of the radiation piece is optimized, and the double-frequency-band filtering effect of the filter antenna is effectively improved; the first open-loop resonator and the second open-loop resonator are respectively arranged on the first power dividing unit and the second power dividing unit, so that the filtering capability of the first power dividing unit and the second power dividing unit is effectively improved, signals outside an antenna working frequency band are effectively inhibited, and the transmission quality of the signals inside the working frequency band is ensured.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the invention using the above disclosed technical means and teachings, or can modify equivalent embodiments with equivalent variations, without departing from the scope of the invention. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention should be covered by the protection scope of the present invention without departing from the contents of the technical scheme of the present invention.
Claims (9)
1. A5G sheet metal forming dual-band filtering antenna is characterized by comprising a reflecting plate, a power distribution network component and a radiating sheet clamped at the top of the power distribution network component, wherein the power distribution network component is assembled and arranged on the reflecting plate through a clamping and supporting component, the power distribution network component comprises a first power distribution unit and a second power distribution unit which are assembled and arranged oppositely and a signal isolation cavity formed by surrounding, and the first power distribution unit and the second power distribution unit are respectively provided with at least two groups of first open resonance rings and second open resonance rings;
the first power dividing unit comprises a first power dividing network, a first polarization feed and a second polarization feed, wherein the first power dividing network is integrally formed, the first polarization feed and the second polarization feed are identical in structure, the first polarization feed comprises a first supporting section and a first output section which are arranged in an included angle mode, the first supporting section and the first power dividing network are fixedly connected in an included angle mode, and the first output sections of the first polarization feed and the second polarization feed are arranged oppositely and are parallel to each other;
the first opening resonance ring comprises a first resonance branch section, a second resonance branch section and a third resonance branch section which are sequentially arranged at an included angle on one side of the first support section far away from the signal isolation cavity in an extending mode, the length of the first resonance branch section is larger than that of the third resonance branch section, and a first resonance cavity is formed among the first support section, the first resonance branch section, the second resonance branch section and the third resonance branch section in a surrounding mode.
2. The 5G sheet metal forming dual-band filtering antenna according to claim 1, wherein the first power distribution network comprises a first input section, a first conduction section, a first transmission section, a second transmission section and a second conduction section which are sequentially arranged, the first transmission section is perpendicular to the second transmission section, the first polarization feed and the second polarization feed are respectively and fixedly connected with the first conduction section and the second conduction section, and the first output section of the first polarization feed and the first transmission section and the first output section of the second polarization feed form an included angle of 45 degrees.
3. The 5G sheet metal forming dual-band filtering antenna according to claim 2, wherein the second power dividing unit comprises a second power dividing network formed integrally and a third polarized feed and a fourth polarized feed which have the same structure, the third polarized feed comprises a second supporting section and a second output section which are arranged in an included angle manner, the second supporting section and the second power dividing network are fixedly connected in an included angle manner, and the second output sections of the third polarized feed and the fourth polarized feed are arranged oppositely and parallel to each other;
the second split ring resonator comprises a fourth resonance branch section, a fifth resonance branch section and a sixth resonance branch section, wherein the fourth resonance branch section, the fifth resonance branch section and the sixth resonance branch section are sequentially arranged at an included angle on one side of the second support section away from the signal isolation cavity in an extending mode, the length of the fourth resonance branch section is larger than that of the sixth resonance branch section, and a second resonant cavity is formed among the second support section, the fourth resonance branch section, the fifth resonance branch section and the sixth resonance branch section in a surrounding mode.
4. The 5G sheet metal forming dual-band filtering antenna according to claim 3, wherein the second power distribution network comprises a second input section, a third conducting section, a third transmission section, a roundabout section and a fourth conducting section which are sequentially arranged, the roundabout section comprises at least two groups of turning dog angles, the third polarized feed and the fourth polarized feed are respectively and fixedly connected with the third conducting section and the fourth conducting section, and the second output section and the third conducting section of the third polarized feed and the second output section and the fourth conducting section of the fourth polarized feed both form an included angle of 45 degrees.
5. The 5G sheet metal forming dual-band filtering antenna according to claim 4, wherein the clamping support assembly comprises a first support frame and a second support frame which are equal in height and are assembled, the first support frame comprises a first supporting portion and a second supporting portion which are identical in structure and respectively correspond to the first polarization feed and the second polarization feed, the first supporting portion comprises a first lower mounting section, a first middle mounting section and a first upper mounting section which are integrally formed, the first lower mounting section, the first middle mounting section and the first upper mounting section are respectively provided with a first clamping hook, a second clamping hook and a third clamping hook in an extending manner for locking the first resonance branch section, the third resonance branch section and the first output section in an extending manner, the first lower mounting section is provided with a first assembling section in a downward extending manner, and the first assembling section comprises a first clamping protrusion, a second clamping protrusion and a second clamping protrusion for locking the first conducting section and the reflecting plate in an extending manner, And the first upper mounting section extends upwards to form a third clamping bulge for locking the radiation sheet.
6. The 5G sheet metal forming dual-band filtering antenna according to claim 5, wherein the second supporting frame comprises a third supporting portion and a fourth supporting portion which have the same structure and are respectively arranged corresponding to the third polarized feed and the fourth polarized feed, the third supporting portion comprises a second lower mounting section, a second middle mounting section and a second upper mounting section which are integrally formed, the second lower mounting section, the second middle mounting section and the second upper mounting section are respectively provided with a fourth clamping hook, a fifth clamping hook and a sixth clamping hook in an extending manner for locking the fourth resonant branch section, the sixth resonant branch section and the second output section in an extending manner, the second lower mounting section is provided with a second assembling section and a fourth clamping protrusion in a downward extending manner for locking the third transmission section, and the second assembling section comprises a fifth clamping protrusion, a fifth clamping protrusion and a fourth clamping protrusion for locking the third conducting section and the reflecting plate respectively, And the second upper mounting section extends upwards to form a seventh clamping bulge for locking the radiation sheet.
7. The 5G sheet metal forming dual-band filtering antenna according to claim 6, wherein the first support frame and the second support frame comprise accommodating cavities for avoiding the signal isolation cavity, and the first support frame and the second support frame are respectively and adaptively provided with a first clamping groove and a second clamping groove for clamping with each other.
8. The 5G sheet metal forming dual-band filtering antenna according to claim 6, wherein the radiating patch comprises a signal radiation central section and at least four groups of main branches and auxiliary branches which are alternately arranged around the signal radiation central section in sequence at intervals, the main branches are connected with the second clamping protrusions and the sixth clamping protrusions in a clamping manner, and anti-interference gaps for preventing electromagnetic interference are formed between the main branches and the auxiliary branches.
9. The 5G sheet metal forming dual-band filtering antenna according to claim 8, wherein the secondary branch comprises a first radiation branch section, a second radiation branch section, a third radiation branch section and a radiation cavity formed by surrounding, the first radiation branch section, the second radiation branch section and the third radiation branch section are sequentially arranged in an included angle manner, and the first radiation branch section and the third radiation branch section are connected with the signal radiation central section in an extending manner.
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| CN113036432A (en) * | 2021-03-10 | 2021-06-25 | 广东富宇鸿通讯有限公司 | Pilot frequency filtering antenna, manufacturing method and application of pilot frequency filtering antenna |
| WO2023155971A1 (en) * | 2022-02-15 | 2023-08-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna system with low-pass filter |
| WO2023155970A1 (en) * | 2022-02-15 | 2023-08-24 | Telefonaktiebolaget Lm Ericsson (Publ) | End-fed antenna |
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