CN217182414U - Miniaturized high-gain narrow-beam antenna - Google Patents
Miniaturized high-gain narrow-beam antenna Download PDFInfo
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- CN217182414U CN217182414U CN202221172556.5U CN202221172556U CN217182414U CN 217182414 U CN217182414 U CN 217182414U CN 202221172556 U CN202221172556 U CN 202221172556U CN 217182414 U CN217182414 U CN 217182414U
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Abstract
The utility model relates to a miniaturized high-gain narrow-beam antenna, which comprises a bottom plate, 2 oscillator mechanisms and a coaxial cable; a reflecting copper-clad area is formed on the bottom surface of the bottom plate, and a feed network is arranged on the top surface of the bottom plate in a copper-clad mode; the 2 vibrator mechanisms are arranged along the length direction of the bottom plate, and each vibrator mechanism comprises an installation plate and a conductive column; the bottom surface of each mounting plate is connected with the top surface of the bottom plate through a plurality of isolation washers; the top surface of each mounting plate is provided with a vibrator copper-clad area, the orthographic projection of each vibrator copper-clad area on the bottom surface of the bottom plate is positioned in the reflection copper-clad area, and each vibrator copper-clad area is provided with a through hole communicated with the bottom surface of the mounting plate; one end of the conductive column penetrates through the through hole from the top surface of the mounting plate and then is electrically connected with the feed network, and the conductive column is in feed connection with the vibrator copper-clad area; the inner conductor of the coaxial cable is electrically connected with the feed network, and the outer conductor of the coaxial cable is electrically connected with the reflection copper-clad area.
Description
Technical Field
The utility model relates to a technical field of antenna especially relates to a miniaturized high-gain narrow beam antenna.
Background
Radio Frequency Identification (RFID) is one of automatic Identification technologies, and performs contactless bidirectional data communication in a Radio Frequency manner, and reads and writes a recording medium (an electronic tag or a Radio Frequency card) in a Radio Frequency manner, thereby achieving the purposes of identifying a target and exchanging data. An RFID antenna is a device that receives or radiates front-end radio frequency signal power in the form of electromagnetic waves. The existing RFID antenna has weak anti-interference capability and poor radiation field directivity, and therefore narrow beam antennas are appeared on the market and can effectively overcome multipath and co-channel interference, but the existing narrow beam antenna occupies a large space and is inconvenient to install.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniaturized high-gain narrow beam antenna has the advantage that the interference killing feature is strong, occupation space is little, the installation is comparatively convenient etc.
The utility model provides a technical scheme that its technical problem adopted is: the miniaturized high-gain narrow-beam antenna comprises a bottom plate, 2 oscillator mechanisms and a coaxial cable; wherein:
a reflecting copper-clad area is formed on the bottom surface of the bottom plate, and a feed network is arranged on the top surface of the bottom plate in a copper-clad mode;
the 2 vibrator mechanisms are arranged along the length direction of the bottom plate, each vibrator mechanism comprises a mounting plate and 2 conductive posts, and the bottom surface of the mounting plate is connected with the top surface of the bottom plate through a plurality of isolation washers, so that a connection gap is formed between the mounting plate and the bottom plate; the top surface of the mounting plate of each vibrator mechanism is provided with a vibrator copper-clad area, the vibrator copper-clad area is arranged on the top surface of the mounting plate in a covering manner, the vibrator copper-clad area is of a rectangular structure with the length D1 of 100 +/-5 mm and the width D2 of 100 +/-5 mm, and four corners of the vibrator copper-clad area are provided with notches; the distance D3 between the vibrator copper-clad areas of each vibrator mechanism is in the range of 60 mm-110 mm, the orthographic projection of the vibrator copper-clad areas of each vibrator mechanism on the bottom surface of the bottom plate is in the reflection copper-clad areas, and 2 through holes communicated with the bottom surface of the mounting plate are formed in the vibrator copper-clad areas of each vibrator mechanism;
the feed network comprises a shunt circuit and 2 feed circuits; the shunt circuit is composed of a first shunt connecting section, a second shunt connecting section, a third shunt connecting section, a fourth shunt connecting section and a fifth shunt connecting section; the length L1 of the first branch connecting section is 30 +/-5 mm, the width W1 is 6 +/-1 mm, one end of the first branch connecting section is a cable connecting end, the other end of the first branch connecting section is simultaneously connected with one end of the second branch connecting section and one end of the third branch connecting section, the included angle A between the second branch connecting section and the first branch connecting section is 140-160 degrees, and the included angle B between the third branch connecting section and the first branch connecting section is 110-130 degrees; the length L2 of the second shunt connecting section is within the range of 10 mm-20 mm, the length L3 of the third shunt connecting section is within the range of 8 mm-12 mm, the second shunt connecting section is perpendicular to the third shunt connecting section, the other end of the second shunt connecting section is connected with a feed circuit, and the other end of the third shunt connecting section is connected with one end of the fourth shunt connecting section; the length L4 of the fourth branch connecting section is in the range of 63 mm-93 mm, the fourth branch connecting section is parallel to the first branch connecting section, and the other end of the fourth branch connecting section is connected with one end of the fifth branch connecting section; the length L5 of the fifth branch connecting section is in the range of 1 mm-3 mm, the fifth branch connecting section is parallel to the second branch connecting section, and the other end of the fifth branch connecting section is connected with another feed circuit; the widths W2 of the second branch connecting section, the third branch connecting section, the fourth branch connecting section and the fifth branch connecting section are all 1 +/-0.1 mm;
each feed circuit is provided with 2 conductive column connecting ends and consists of a first feed connecting section, a second feed connecting section, a third feed connecting section, a fourth feed connecting section, a fifth feed connecting section, a sixth feed connecting section, a seventh feed connecting section and an eighth feed connecting section; the length L6 of the first feed connecting section is 6.5 +/-1 mm, one end of the first feed connecting section is connected with the shunt circuit, the other end of the first feed connecting section is connected with the middle position of the second feed connecting section, and the first feed connecting section is perpendicular to the second feed connecting section; the length L7 of the second feed connecting section is 6 +/-1 mm, one end of the second feed connecting section is connected with one end of the third feed connecting section, and the other end of the second feed connecting section is connected with one end of the fourth feed connecting section; the third feed connecting section and the fourth feed connecting section are both vertical to the second feed connecting section, the lengths L8 of the third feed connecting section and the fourth feed connecting section are both 45 +/-1 mm, and the widths W3 of the first feed connecting section, the second feed connecting section, the third feed connecting section and the fourth feed connecting section are all 2 +/-0.1 mm, so that the distance D4 between the third feed connecting section and the fourth feed connecting section is 2 +/-0.1 mm; the other end of the third feed connection section is connected with one end of the fifth feed connection section, and the other end of the fourth feed connection section is connected with one end of the sixth feed connection section; the fifth feed connecting section is vertical to the third feed connecting section, the length L9 of the fifth feed connecting section is 5 +/-1 mm, the other end of the fifth feed connecting section is a conductive column connecting end, and the conductive column connecting end of the fifth feed connecting section is arranged along the direction far away from the fourth feed connecting section; the sixth feed connecting section is perpendicular to the fourth feed connecting section, the length L10 of the sixth feed connecting section is 21 +/-1 mm, and the other end of the sixth feed connecting section is arranged along the direction far away from the third feed connecting section and is connected with one end of the seventh feed connecting section; the seventh feed connecting section is perpendicular to the sixth feed connecting section, the length L11 of the seventh feed connecting section is 23 +/-1 mm, and the other end of the seventh feed connecting section is connected with one end of the eighth feed connecting section; the eighth feed connecting section is vertical to the seventh feed connecting section, the length L12 of the eighth feed connecting section is 8 +/-1 mm, and the other end of the eighth feed connecting section is also a conductive column connecting end; the widths W4 of the fifth feed connection section, the sixth feed connection section, the seventh feed connection section and the eighth feed connection section are all 3 +/-0.5 mm;
a feed circuit corresponds to a vibrator mechanism, a conductive column corresponds to a conductive column connecting end and a via hole, one end of the conductive column of the vibrator mechanism penetrates through the via hole from the top surface of a mounting plate of the vibrator mechanism and then is electrically connected with the conductive column connecting end of the feed circuit, the other end of the conductive column of the vibrator mechanism is in feed connection with a vibrator copper-clad area on the mounting plate of the vibrator mechanism, and the conductive column is insulated from the reflection copper-clad area; the inner conductor of the coaxial cable is electrically connected with the cable connecting end of the shunt circuit, and the outer conductor of the coaxial cable is electrically connected with the reflection copper-clad area.
The utility model discloses a theory of operation:
because 2 vibrator mechanisms are arranged along the length direction of the bottom plate, the mutual superposition effect between electromagnetic waves generated by respective vibrator copper-clad areas of the 2 vibrator mechanisms can enable the utility model to generate the electromagnetic waves with narrow beams, and can effectively overcome multipath and co-channel interference, thus the utility model has stronger anti-interference capability; because the oscillator copper-clad area of each oscillator mechanism all is rather than leading electrical pillar feed connection, each leads electrical pillar and is connected with the conductive pillar link end of feed circuit, coaxial cable's inner conductor with the cable link end of shunting circuit be connected, and each feed circuit all with shunting circuit connection, and then make coaxial cable's inner conductor accessible feed network and carry out feed connection with each oscillator copper-clad area simultaneously, such design can need not to be connected through the bridge module between each oscillator copper-clad area and the coaxial cable, make the utility model discloses a line connection and installation are more convenient, and can reduce the utility model discloses an occupation space; in addition, the second branch connecting section and the third branch connecting section of the branch circuit can play a role in power distribution, and the second feed connecting section, the third feed connecting section and the fourth feed connecting section of the feed circuit can also play a role in power distribution, so that the power distribution of each conductive column is more reasonable, and the performance of the utility model is more stable; lay along linear arrangement through the oscillator that covers the copper region with specific shape structure to feed network through specific shape and size structure makes each oscillator cover copper region and coaxial cable's inner conductor feed connection, makes the utility model discloses have following electric index: frequency range: 902-928 MHz, gain: 7dBi, polarization mode: circular polarization, half power angle: hor is 45 +/-1 DEG Ver is 90 +/-1 DEG, and standing-wave ratio is as follows: 1.5 or less, impedance: 50 Ω, axial ratio: 3dB or less and maximum power: 50W.
Further, as described above, in the miniaturized high-gain narrow-beam antenna, the isolation washers of the oscillator mechanisms are arranged around the center of the mounting plate, and each isolation washer is disposed near the outer edge of the mounting plate.
Further, as for the miniaturized high-gain narrow-beam antenna, the mounting plate of each oscillator mechanism is fixed on the bottom plate through a plurality of connecting pieces, and the structure that the mounting plate of the oscillator mechanism is fixed on the bottom plate is as follows: the mounting plate is provided with a plurality of first connecting holes, each isolating gasket between the mounting plate and the bottom plate is provided with a central hole, the bottom plate is provided with a plurality of second connecting holes, a connecting piece corresponds to the first connecting hole, the central hole and the second connecting hole, and one end of the connecting piece penetrates through the first connecting hole and the central hole in sequence and then is connected with the second connecting hole.
Further, as described above, in the miniaturized high-gain narrow-beam antenna, a plurality of mounting holes are formed in the bottom plate.
Further, as for the miniaturized high-gain narrow-beam antenna, the mounting board and the bottom board are both PCB boards.
Realize the technical scheme of the utility model, following beneficial effect has: lay along linear arrangement through the oscillator that covers the copper region with specific shape structure to feed network through specific shape and size structure makes each oscillator cover copper region and coaxial cable's inner conductor feed connection, makes the utility model discloses have following electric index: frequency range: 902-928 MHz, gain: 7dBi, polarization mode: circular polarization, half power angle: hor is 45 +/-1 DEG Ver is 90 +/-1 DEG, and standing-wave ratio is as follows: 1.5 or less, impedance: 50 Ω, axial ratio: 3dB or less and maximum power: 50W; the utility model has the advantages of strong anti-interference ability, small occupied space, convenient installation and the like.
Drawings
FIG. 1 is a front view of the embodiment;
FIG. 2 is a front view of the base plate of the embodiment;
FIG. 3 is an exploded view of the assembly of the base plate and vibrator mechanism of the embodiment;
FIG. 4 is a diagram illustrating the radiation direction of the embodiment in operation;
description of reference numerals:
1-a bottom plate; 11-a second connection hole; 12-mounting holes; 2-a vibrator mechanism; 21-mounting a plate; 211 — a first connection hole; 212-a via hole; 22-vibrator copper-clad area; 221-a notch; 23-a conductive post; 24-a spacer washer; 241-a central hole; 3-a feed network; 31-a shunt circuit; 311-a first shunt connection segment; 312-a second shunt connection segment; 313-a third shunt connection section; 314-a fourth shunt connection section; 315-fifth bifurcation connection section; 316-cable connection end; 32-a feeding circuit; 321-a first feed connection; 322-a second feed connection; 323-third feed connection; 324-a fourth feed connection; 325-a fifth feed connection; 326-a sixth feed connection; 327-a seventh feed connection; 328-an eighth feed connection; 329-conductive post connection.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 to 3 show a miniaturized high-gain narrow-beam antenna according to an embodiment, which includes a bottom plate 1, 2 element mechanisms 2 and a coaxial cable (the coaxial cable is not shown in the drawings); wherein:
a reflecting copper-clad area is formed on the bottom surface of the bottom plate 1, and a feed network 3 is arranged on the top surface of the bottom plate 1 in a copper-clad mode;
the 2 vibrator mechanisms 2 are arranged in a row along the length direction of the bottom plate 1, each vibrator mechanism 2 comprises an installation plate 21 and 2 conductive columns 23, and the bottom surface of the installation plate 21 is connected with the top surface of the bottom plate 1 through a plurality of isolation gaskets 24, so that a connection gap is formed between the installation plate 21 and the bottom plate 1; the vibrator copper-clad area 22 is formed on the top surface of the mounting plate 21 of each vibrator mechanism 2, the vibrator copper-clad area 22 is arranged on the top surface of the mounting plate 21 in a covering manner, the vibrator copper-clad area 22 is of a rectangular structure with the length D1 of 100mm and the width D2 of 100mm, and notches 221 are formed at four corners of the vibrator copper-clad area 22; the distance D3 between the vibrator copper-clad areas 22 of each vibrator mechanism 2 is 90mm, the orthographic projection of the vibrator copper-clad areas 22 of each vibrator mechanism 2 on the bottom surface of the bottom plate 1 is in the reflection copper-clad areas, and 2 through holes 212 communicated with the bottom surface of the mounting plate 21 are formed in the vibrator copper-clad areas 22 of each vibrator mechanism 2;
the feed network 3 comprises a shunt circuit 31 and 2 feed circuits 32; the shunt circuit 31 is composed of a first shunt connection section 311, a second shunt connection section 312, a third shunt connection section 313, a fourth shunt connection section 314, and a fifth shunt connection section 315; the length L1 of the first branch connection section 311 is 32mm, the width W1 is 6.5mm, one end of the first branch connection section 311 is a cable connection end 316, the other end of the first branch connection section 311 is connected with one end of the second branch connection section 312 and one end of the third branch connection section 313 at the same time, the included angle a between the second branch connection section 312 and the first branch connection section 311 is 150 °, and the included angle B between the third branch connection section 313 and the first branch connection section 311 is 120 °; the length L2 of the second shunt connecting section 312 is 14.1mm, the length L3 of the third shunt connecting section 313 is 10.4mm, the second shunt connecting section 312 is perpendicular to the third shunt connecting section 313, the other end of the second shunt connecting section 312 is connected with a feed circuit 32, and the other end of the third shunt connecting section 313 is connected with one end of the fourth shunt connecting section 314; the length L4 of the fourth branch connecting section 314 is 78mm, the fourth branch connecting section 314 is parallel to the first branch connecting section 311, and the other end of the fourth branch connecting section 314 is connected with one end of the fifth branch connecting section 315; the length L5 of the fifth branch connecting section 315 is 2.4mm, the fifth branch connecting section 315 is parallel to the second branch connecting section 312, and the other end of the fifth branch connecting section 315 is connected to another feeding circuit 32; the widths W2 of the second branch connecting section 312, the third branch connecting section 313, the fourth branch connecting section 314 and the fifth branch connecting section 315 are all 1 mm;
each feed circuit 32 is provided with 2 conductive pillar connection ends 329, and each feed circuit 32 is composed of a first feed connection section 321, a second feed connection section 322, a third feed connection section 323, a fourth feed connection section 324, a fifth feed connection section 325, a sixth feed connection section 326, a seventh feed connection section 327, and an eighth feed connection section 328; the length L6 of the first feed connection section 321 is 6.5 ± 1mm, one end of the first feed connection section 321 is connected to the shunt circuit 31, the other end of the first feed connection section 321 is connected to the middle position of the second feed connection section 322, and the first feed connection section 321 is perpendicular to the second feed connection section 322; the length L7 of the second feed connection 322 is 6 ± 1mm, one end of the second feed connection 322 is connected to one end of the third feed connection 323, and the other end of the second feed connection 322 is connected to one end of the fourth feed connection 324; the third feed connecting section 323 and the fourth feed connecting section 324 are both perpendicular to the second feed connecting section 322, the lengths L8 of the third feed connecting section 323 and the fourth feed connecting section 324 are both 45 ± 1mm, and the widths W3 of the first feed connecting section 321, the second feed connecting section 322, the third feed connecting section 323 and the fourth feed connecting section 324 are all 2 ± 0.1mm, so that the distance D4 between the third feed connecting section 323 and the fourth feed connecting section 324 is 2 ± 0.1 mm; the other end of the third feed connection 323 is connected to one end of the fifth feed connection 325, and the other end of the fourth feed connection 324 is connected to one end of the sixth feed connection 326; the fifth feed connection section 325 is perpendicular to the third feed connection section 323, the length L9 of the fifth feed connection section 325 is 5 ± 1mm, the other end of the fifth feed connection section 325 is a conductive pillar connection end 329, and the conductive pillar connection end 329 of the fifth feed connection section 325 is arranged in a direction away from the fourth feed connection section 324; the sixth feed connection 326 is perpendicular to the fourth feed connection 324, the length L10 of the sixth feed connection 326 is 21 ± 1mm, the other end of the sixth feed connection 326 is arranged in a direction away from the third feed connection 323 and is connected to one end of the seventh feed connection 327; the seventh feed connection 327 is perpendicular to the sixth feed connection 326, the length L11 of the seventh feed connection 327 is 23 ± 1mm, the other end of the seventh feed connection 327 is connected to one end of the eighth feed connection 328; the eighth feed connection 328 is perpendicular to the seventh feed connection 327, the length L12 of the eighth feed connection 328 is 8 ± 1mm, and the other end of the eighth feed connection 328 is also a conductive pillar connection end 329; the widths W4 of the fifth 325, sixth 326, seventh 327 and eighth 328 feed connections are all 3 ± 0.5 mm;
a feed circuit 32 corresponds to a vibrator mechanism 2, a conductive column 23 corresponds to a conductive column connection end 329 and a via hole 212, one end of the conductive column 23 of the vibrator mechanism 2 penetrates through the via hole 212 from the top surface of the mounting plate 21 and then is electrically connected with the conductive column connection end 329 of the feed circuit 32, the other end of the conductive column 23 of the vibrator mechanism 2 is in feed connection with the vibrator copper-clad area 22 on the mounting plate 21, and the conductive column 23 is insulated from the reflection copper-clad area; the inner conductor of the coaxial cable is electrically connected to the cable connection end 316 of the shunt circuit 31, and the outer conductor of the coaxial cable is electrically connected to the reflective copper-clad area.
The utility model discloses a theory of operation:
because 2 oscillator mechanisms 2 are arranged along the length direction of the bottom plate 1, the mutual superposition effect between the electromagnetic waves generated by the respective oscillator copper-clad areas 22 of the 2 oscillator mechanisms 2 can ensure that the utility model generates the electromagnetic waves with narrow beams, and can effectively overcome multipath and co-channel interference, thereby ensuring that the utility model has stronger anti-interference capability; because the oscillator copper-clad area 22 of each oscillator mechanism 2 is connected with the conductive column 23 by feeding, each conductive column 23 is connected with the conductive column connecting end 329 of the feed circuit 32, the inner conductor of the coaxial cable is connected with the cable connecting end 316 of the shunt circuit 31, and each feed circuit 32 is connected with the shunt circuit 31, so that the inner conductor of the coaxial cable can be simultaneously connected with each oscillator copper-clad area 22 by feeding the network 3 by feeding, and the design can ensure that the connection between each oscillator copper-clad area 22 and the coaxial cable is not required to be carried out by a bridge module, thus the utility model discloses a line connection and installation are more convenient, and can reduce the occupied space of the utility model; in addition, the second branch connecting section 312 and the third branch connecting section 313 of the branch circuit 31 can play a role in power distribution, and the second feed connecting section 322, the third feed connecting section 323 and the fourth feed connecting section 324 of the feed circuit 32 can also play a role in power distribution, so that the power distribution of each conductive column 23 is more reasonable, and the performance of the utility model is more stable; lay along the linear arrangement through the oscillator that covers the copper region 22 with the particular shape structure to feed network 3 through particular shape and size structure makes each oscillator cover copper region 22 and coaxial cable's inner conductor feed connection, makes the utility model discloses have following electric index: frequency range: 902-928 MHz, gain: 7dBi, polarization mode: circular polarization, half power angle: hor is 45 +/-1 DEG Ver is 90 +/-1 DEG, and standing-wave ratio is as follows: 1.5 or less, impedance: 50 Ω, axial ratio: 3dB or less and maximum power: 50W.
By the design, the miniaturized high-gain narrow-beam antenna can obtain a radiation direction state diagram as shown in fig. 4 when in operation.
As shown in fig. 3, the plurality of spacer washers 24 of each vibrator mechanism 2 are arranged around the center of its mounting plate 21, and each spacer washer 24 is disposed near the outer edge of its mounting plate 21. The design can ensure that the stress of the mounting plate 21 is more uniform and the mounting of the mounting plate 21 is more stable.
As shown in fig. 3, the mounting plate 21 of each vibrator mechanism 2 is fixed on the base plate 1 by a plurality of connecting members (the connecting members are not shown in the drawing), and the structure that the mounting plate 21 of each vibrator mechanism 2 is fixed on the base plate 1 is as follows: a plurality of first connection holes 211 are formed in the mounting plate 21, a center hole 241 is formed in each spacer ring 24 between the mounting plate 21 and the base plate 1, a plurality of second connection holes 11 are formed in the base plate 1, a connection member corresponds to one of the first connection holes 211, one of the center holes 241 and one of the second connection holes 11, and one end of the connection member is connected to the second connection hole 11 after passing through the first connection holes 211 and the center hole 241 in sequence. Such a design may facilitate installation of the mounting plate 21.
As shown in fig. 1 to 3, a plurality of mounting holes 12 are formed on the base plate 1. This arrangement facilitates installation of the base plate 1 by inserting one end of a bolt through a mounting hole 12 and locking it into the housing or wall.
The mounting plate 21 and the bottom plate 1 are both PCB plates. The processing technology of the PCB is simple, and the PCB can be coated with copper on the surface conveniently, so that the production difficulty and the manufacturing cost are reduced; and the PCB board is also lighter in weight, so that the weight of the miniaturized high-gain narrow-beam antenna can be reduced, and the installation is more convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, which may be modified, combined, and varied by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. Miniaturized high-gain narrow beam antenna, its characterized in that: comprises a bottom plate, 2 vibrator mechanisms and a coaxial cable; wherein:
a reflecting copper-clad area is formed on the bottom surface of the bottom plate, and a feed network is arranged on the top surface of the bottom plate in a copper-clad mode;
the 2 vibrator mechanisms are arranged along the length direction of the bottom plate, each vibrator mechanism comprises a mounting plate and 2 conductive posts, and the bottom surface of the mounting plate is connected with the top surface of the bottom plate through a plurality of isolation washers, so that a connection gap is formed between the mounting plate and the bottom plate; the top surface of the mounting plate of each vibrator mechanism is provided with a vibrator copper-clad area, the vibrator copper-clad area is arranged on the top surface of the mounting plate in a covering manner, the vibrator copper-clad area is of a rectangular structure with the length D1 of 100 +/-5 mm and the width D2 of 100 +/-5 mm, and four corners of the vibrator copper-clad area are provided with notches; the distance D3 between the vibrator copper-clad areas of each vibrator mechanism is in the range of 60 mm-110 mm, the orthographic projection of the vibrator copper-clad areas of each vibrator mechanism on the bottom surface of the bottom plate is in the reflection copper-clad areas, and 2 through holes communicated with the bottom surface of the mounting plate are formed in the vibrator copper-clad areas of each vibrator mechanism;
the feed network comprises a shunt circuit and 2 feed circuits; the shunt circuit is composed of a first shunt connecting section, a second shunt connecting section, a third shunt connecting section, a fourth shunt connecting section and a fifth shunt connecting section; the length L1 of the first branch connecting section is 30 +/-5 mm, the width W1 is 6 +/-1 mm, one end of the first branch connecting section is a cable connecting end, the other end of the first branch connecting section is simultaneously connected with one end of the second branch connecting section and one end of the third branch connecting section, the included angle A between the second branch connecting section and the first branch connecting section is 140-160 degrees, and the included angle B between the third branch connecting section and the first branch connecting section is 110-130 degrees; the length L2 of the second shunt connecting section is within the range of 10 mm-20 mm, the length L3 of the third shunt connecting section is within the range of 8 mm-12 mm, the second shunt connecting section is perpendicular to the third shunt connecting section, the other end of the second shunt connecting section is connected with a feed circuit, and the other end of the third shunt connecting section is connected with one end of the fourth shunt connecting section; the length L4 of the fourth branch connecting section is in the range of 63 mm-93 mm, the fourth branch connecting section is parallel to the first branch connecting section, and the other end of the fourth branch connecting section is connected with one end of the fifth branch connecting section; the length L5 of the fifth branch connecting section is in the range of 1 mm-3 mm, the fifth branch connecting section is parallel to the second branch connecting section, and the other end of the fifth branch connecting section is connected with another feed circuit; the widths W2 of the second branch connecting section, the third branch connecting section, the fourth branch connecting section and the fifth branch connecting section are all 1 +/-0.1 mm;
each feed circuit is provided with 2 conductive column connecting ends and consists of a first feed connecting section, a second feed connecting section, a third feed connecting section, a fourth feed connecting section, a fifth feed connecting section, a sixth feed connecting section, a seventh feed connecting section and an eighth feed connecting section; the length L6 of the first feed connecting section is 6.5 +/-1 mm, one end of the first feed connecting section is connected with the shunt circuit, the other end of the first feed connecting section is connected with the middle position of the second feed connecting section, and the first feed connecting section is perpendicular to the second feed connecting section; the length L7 of the second feed connecting section is 6 +/-1 mm, one end of the second feed connecting section is connected with one end of the third feed connecting section, and the other end of the second feed connecting section is connected with one end of the fourth feed connecting section; the third feed connecting section and the fourth feed connecting section are both vertical to the second feed connecting section, the lengths L8 of the third feed connecting section and the fourth feed connecting section are both 45 +/-1 mm, and the widths W3 of the first feed connecting section, the second feed connecting section, the third feed connecting section and the fourth feed connecting section are all 2 +/-0.1 mm, so that the distance D4 between the third feed connecting section and the fourth feed connecting section is 2 +/-0.1 mm; the other end of the third feed connection section is connected with one end of the fifth feed connection section, and the other end of the fourth feed connection section is connected with one end of the sixth feed connection section; the fifth feed connecting section is vertical to the third feed connecting section, the length L9 of the fifth feed connecting section is 5 +/-1 mm, the other end of the fifth feed connecting section is a conductive column connecting end, and the conductive column connecting end of the fifth feed connecting section is arranged along the direction far away from the fourth feed connecting section; the sixth feed connecting section is perpendicular to the fourth feed connecting section, the length L10 of the sixth feed connecting section is 21 +/-1 mm, and the other end of the sixth feed connecting section is arranged along the direction far away from the third feed connecting section and is connected with one end of the seventh feed connecting section; the seventh feed connecting section is perpendicular to the sixth feed connecting section, the length L11 of the seventh feed connecting section is 23 +/-1 mm, and the other end of the seventh feed connecting section is connected with one end of the eighth feed connecting section; the eighth feed connecting section is vertical to the seventh feed connecting section, the length L12 of the eighth feed connecting section is 8 +/-1 mm, and the other end of the eighth feed connecting section is also a conductive column connecting end; the widths W4 of the fifth feed connection section, the sixth feed connection section, the seventh feed connection section and the eighth feed connection section are all 3 +/-0.5 mm;
a feed circuit corresponds to a vibrator mechanism, a conductive column corresponds to a conductive column connecting end and a via hole, one end of the conductive column of the vibrator mechanism penetrates through the via hole from the top surface of a mounting plate of the vibrator mechanism and then is electrically connected with the conductive column connecting end of the feed circuit, the other end of the conductive column of the vibrator mechanism is in feed connection with a vibrator copper-clad area on the mounting plate of the vibrator mechanism, and the conductive column is insulated from the reflection copper-clad area; the inner conductor of the coaxial cable is electrically connected with the cable connecting end of the shunt circuit, and the outer conductor of the coaxial cable is electrically connected with the reflection copper-clad area.
2. The miniaturized high-gain narrow-beam antenna of claim 1, wherein: a plurality of isolation washers of each vibrator mechanism are arranged around the center of the mounting plate, and each isolation washer is arranged close to the outer edge of the mounting plate.
3. The miniaturized high-gain narrow-beam antenna of claim 1, wherein: the mounting panel of each oscillator mechanism is all fixed on the bottom plate through a plurality of connecting pieces, and the structure that the mounting panel of oscillator mechanism is fixed on the bottom plate is: the mounting plate is provided with a plurality of first connecting holes, each isolating gasket between the mounting plate and the bottom plate is provided with a central hole, the bottom plate is provided with a plurality of second connecting holes, a connecting piece corresponds to the first connecting hole, the central hole and the second connecting hole, and one end of the connecting piece penetrates through the first connecting hole and the central hole in sequence and then is connected with the second connecting hole.
4. The miniaturized high-gain narrow-beam antenna of claim 1, wherein: a plurality of mounting holes are formed in the bottom plate.
5. The miniaturized high-gain narrow-beam antenna of claim 1, wherein: the mounting plate and the bottom plate are both PCB plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221172556.5U CN217182414U (en) | 2022-05-17 | 2022-05-17 | Miniaturized high-gain narrow-beam antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221172556.5U CN217182414U (en) | 2022-05-17 | 2022-05-17 | Miniaturized high-gain narrow-beam antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217182414U true CN217182414U (en) | 2022-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221172556.5U Active CN217182414U (en) | 2022-05-17 | 2022-05-17 | Miniaturized high-gain narrow-beam antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217182414U (en) |
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2022
- 2022-05-17 CN CN202221172556.5U patent/CN217182414U/en active Active
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