CN211017390U - Dual-frequency high-gain plate-shaped antenna - Google Patents

Dual-frequency high-gain plate-shaped antenna Download PDF

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CN211017390U
CN211017390U CN201922343202.7U CN201922343202U CN211017390U CN 211017390 U CN211017390 U CN 211017390U CN 201922343202 U CN201922343202 U CN 201922343202U CN 211017390 U CN211017390 U CN 211017390U
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frequency
low
oscillator
active
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全伟锋
林韦辰
徐道平
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Radiation Technology Inc
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Radiation Technology Inc
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Abstract

The embodiment of the application discloses a dual-frequency high-gain plate-shaped antenna, which comprises a bottom plate, a low-frequency band unit, a high-frequency band unit and a printed circuit board assembly; the low-frequency section unit comprises a low-frequency section active oscillator and a low-frequency section parasitic oscillator, and an oscillator feed point of the low-frequency section active oscillator is connected with the printed circuit board assembly; the high-frequency section unit comprises a high-frequency section active oscillator and a high-frequency section parasitic oscillator, and the high-frequency section parasitic oscillator is fixed with the high-frequency section active oscillator; the oscillator feed points of the low-frequency-band parasitic oscillator and the high-frequency-band active oscillator are connected with the printed circuit board assembly; the printed circuit board assembly comprises a substrate and a filter, the filter is fixed with the substrate, and oscillator feed points of the active oscillator are connected with the input end of the filter; the low-frequency-band active oscillator and the high-frequency-band active oscillator are fixed with the bottom plate through the moving piece, and the base plate is fixed with the bottom plate. The dual-frequency high-gain plate-shaped antenna has the advantages of high gain, strong anti-interference radio frequency performance, small size and convenience in installation.

Description

Dual-frequency high-gain plate-shaped antenna
Technical Field
The application relates to the field of communication transmission, in particular to a dual-frequency high-gain plate-shaped antenna.
Background
Microstrip antennas are widely used because of their advantages of small size, light weight, simple manufacturing process, easy realization of conformality, etc. A microstrip antenna may be equivalent to a resonant cavity, having a high value near its resonant frequency, i.e., within the operating band. Although the research and application of microstrip antennas are mature at present, there are many problems worth studying the analysis and research of the electromagnetic scattering characteristics of microstrip antennas.
In the design of a microstrip antenna, in order to secure radiation characteristics of the antenna, it is inevitable to increase antenna scattering of the antenna. The radiation characteristic of the antenna is influenced by the space size, the gain height and the bandwidth size, and the three are factors which are restricted with each other, so that the microstrip antenna in the prior art has the problems of small volume and small gain and bandwidth, while the antenna with high gain and high bandwidth has larger volume, thereby seriously influencing the use convenience of the microstrip antenna, even causing that the microstrip antenna can not meet the use requirements of small installation space, high gain requirement and/or high bandwidth requirement, and greatly reducing the practicability of the microstrip antenna.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned technical problem, provide a plate antenna of dual-frenquency high gain, adopt initiative oscillator and parasitic oscillator to stack the setting to the present point that will take the initiative oscillator is connected with the printed circuit board that has filtering function, under the prerequisite of realizing the dual-frenquency, has reduced the volume of antenna, has improved the gain and the interference killing feature of antenna, has improved the practicality of antenna by a wide margin.
In order to achieve the above object, the present invention provides a dual-band high-gain plate antenna, which is characterized by comprising a bottom plate, a low-band unit, a high-band unit and a printed circuit board assembly; the low-frequency band unit comprises a plurality of low-frequency band active vibrators and a plurality of low-frequency band parasitic vibrators, the low-frequency band parasitic vibrators are fixed to the tops of the low-frequency band active vibrators, and vibrator feed points of the low-frequency band active vibrators are connected with the printed circuit board assembly; the high-frequency band unit comprises a plurality of high-frequency band active vibrators and a plurality of high-frequency band parasitic vibrators, the high-frequency band parasitic vibrators are fixed to the tops of the high-frequency band active vibrators, and vibrator feed points of the high-frequency band active vibrators are connected with the printed circuit board assembly; the printed circuit board assembly comprises a substrate and a filter, the filter is fixed with the substrate, and a vibrator feed point of the low-frequency-band active vibrator and a vibrator feed point of the high-frequency-band active vibrator are connected with the input end of the filter; the low-frequency-band active oscillator and the high-frequency-band active oscillator are fixed with the bottom plate through moving pieces, and the bottom of the base plate is fixed with the top of the bottom plate.
Based on the structure, in the circuit arrangement of the plate-shaped antenna, the active oscillator and the parasitic oscillator are arranged in a stacked mode, and oscillator feed points of the high-frequency-band active oscillator and the low-frequency-band active oscillator are connected with the printed circuit board assembly, so that the microstrip antenna keeps a small-size structure when the high-frequency-band unit and the low-frequency-band unit are carried in the antenna at the same time, and the use requirement on the high-frequency-band pulse width of the antenna can be met; and the oscillator feed points of the high-frequency-band active oscillator and the low-frequency-band active oscillator are connected to the input end of a filter in the printed circuit board assembly to form an impedance matching network, so that signals in the antenna can be filtered to signals with specific pulse width under the filtering of the filter, the gain effect and the anti-interference performance of the antenna are improved, the performance of double frequency bands and high gain of the microstrip antenna on the premise of small size is realized, and the practicability of the double frequency high gain plate-shaped antenna is improved.
Preferably, the low-frequency active oscillator is a 2.4GHz active oscillator, and the low-frequency parasitic oscillator is a 2.4GHz parasitic oscillator; the high-frequency-band active oscillator is a 5.8GHz active oscillator, and the high-frequency-band parasitic oscillator is a 5.8GHz parasitic oscillator.
Preferably, the filter is an L TE band filter.
Based on the structure of above-mentioned low band initiative oscillator and wave filter, the wave filter can with L TE frequency channel filtering that overlaps with 2.4GHzWIFI frequency channel part in the signal, get rid of L TE frequency channel signal among the antenna operational environment to the influence of antenna WIFI frequency channel, improve the gain of this application dual-frenquency high gain's plate antenna, and then improve this application dual-frenquency high gain's plate antenna's practicality.
Preferably, the low-band active oscillator includes a low-band first polarization end and a low-band second polarization end, the polarization directions of which are perpendicular to each other, the high-band active oscillator includes a high-band first polarization end and a high-band second polarization end, the polarization directions of which are the same as each other, and the polarization directions of which are the same as each other; the filter comprises a first filter and a second filter; the low-frequency band first polarization end and the high-frequency band first polarization end are both connected with the input end of the first filter, and the low-frequency band second polarization end and the high-frequency band second polarization end are both connected with the input end of the second filter.
Furthermore, a dual-polarized low-frequency-band active oscillator and a dual-polarized high-frequency-band active oscillator are adopted, two frequency bands in the same polarization direction are filtered through the same filter, and a power distribution network is built, so that the dual-frequency high-gain plate-shaped antenna can complete high-gain output only by using two output ports, and the size of the antenna is reduced on the premise of improving the gain of the dual-frequency high-gain plate-shaped antenna.
Preferably, the printed circuit board assembly is provided with a first coaxial connector and a second coaxial connector, the low-frequency band first polarization end and the high-frequency band first polarization end are connected in parallel at the first coaxial connector and then connected with the input end of the first filter, and the low-frequency band second polarization end and the high-frequency band second polarization end are connected in parallel at the second coaxial connector and then connected with the input end of the second filter.
Furthermore, through the use of the first coaxial connector and the second coaxial connector, two polarization directions of the active oscillator can be fed through the same feeder line and connection, the distribution of lines on the bottom plate is simplified, and the structural characteristic that the dual-frequency high-gain plate-shaped antenna is small in size is further ensured.
Preferably, the moving part comprises a cushion block and a clamping groove which are matched, and the top of the cushion block is fixed with the low-frequency-band active oscillator, the high-frequency-band active oscillator and the bottom of the substrate; the clamping groove is formed in the top of the bottom plate.
Furthermore, through the arrangement of the cushion block and the clamping groove, the distance between the bottom plate and the active oscillator and between the active oscillator and the active oscillator can be controlled through the cushion block, so that a connecting cable on the bottom plate can be more concise when being arranged, and the antenna is convenient to use and reduced in size.
Preferably, the clamping groove penetrates through the bottom plate, and a cushion block press riveting screw is arranged at the bottom of the clamping groove; movable nuts matched with the cushion block riveting screws are arranged at the tops of the low-frequency-band parasitic oscillator and the high-frequency-band parasitic oscillator; the low-frequency-band active oscillator, the low-frequency-band parasitic oscillator, the high-frequency-band active oscillator and the high-frequency-band parasitic oscillator are all in threaded connection with the cushion block riveting screw and are fixed with the bottom plate through the movable nut.
Further, through the use of removing nut and cushion pressure riveting screw, make low band initiative oscillator, low band parasitic oscillator, high band initiative oscillator and high band parasitic oscillator after the interval is adjusted, more stable with being connected between the bottom plate, prevent the circuit disconnection problem that the oscillator skew caused from appearing in the use, improve the practicality and the reliability of this application dual-frenquency high gain's plate antenna.
Preferably, the low-frequency-band active oscillator and the high-frequency-band active oscillator are both symmetrical metal stamping parts.
Furthermore, the low-frequency-band active oscillator and the high-frequency-band active oscillator which are formed by the symmetrical metal stamping parts are adopted, so that the synchronism of signal transmission in two polarization directions of the active oscillators is improved, and the gain of the dual-frequency high-gain plate-shaped antenna is further improved.
Preferably, the bottom plate is provided with a plurality of mounting threaded holes, and bottom plate press riveting screws for mounting and fixing the bottom plate are screwed in the mounting threaded holes.
Further, rivet the screw through installation screw hole and the pressure of predetermineeing the ground bottom plate on the bottom plate of reserving, make the user in the use, only need rivet the screw with the bottom plate pressure and carry out the spiro union with the mounted position, can accomplish the installation of antenna, made things convenient for the use, improved the practicality of this application dual-frenquency high-gain's plate antenna.
To sum up, according to the utility model discloses a dual-frenquency high-gain's plate antenna, through the initiative oscillator and the parasitic oscillator that adopt to stack, impedance matching and the power distribution network of feed simultaneously of level, vertical direction combine the printed wiring board subassembly that contains filtering function and low-loss coaxial connector, have realized this application dual-frenquency high-gain's plate antenna's high gain, strong anti-interference radio frequency performance to and small, light in weight, the convenient practicality of installation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a front view of the present invention;
fig. 2 is a perspective view of the present invention;
fig. 3 is a side view of the present invention;
FIG. 4 is a schematic structural view of a moving member of the present invention;
reference numerals of the above figures: 100-bottom plate, 101-mounting threaded hole, 102-bottom plate rivet-pressing screw, 200-low-band unit, 210-low-band active oscillator, 211-low-band first polarization end, 212-low-band second polarization end, 220-low-band parasitic oscillator, 300-high-band unit, 310-high-band active oscillator, 311-high-band first polarization end, 312-high-band second polarization end, 320-high-band parasitic oscillator, 400-printed circuit board assembly, 410-substrate, 420-filter, 421-first filter, 422-second filter, 501-first coaxial connector, 502-second coaxial connector, 600-moving part, 601-spacer, 602-clamping groove, 603-spacer rivet-pressing screw, 604-moving nut.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example (b): referring to fig. 1 and 2, a dual-band high-gain plate antenna includes a chassis 100, a low band unit 200, a high band unit 300, and a printed circuit board assembly 400. The base plate 100 may be a PVC plate as known in the art. The low-frequency unit 200 comprises a plurality of low-frequency active vibrators 210 and a plurality of low-frequency parasitic vibrators 220, the low-frequency parasitic vibrators 220 are fixed to the top of the low-frequency active vibrators 210, and vibrator feed points of the low-frequency active vibrators 210 are connected with the printed circuit board assembly 400; the high-frequency band unit 300 comprises a plurality of high-frequency band active vibrators 310 and a plurality of high-frequency band parasitic vibrators 320, the high-frequency band parasitic vibrators 320 are fixed to the top of the high-frequency band active vibrators 310, and vibrator feed points of the high-frequency band active vibrators 310 are connected with the printed circuit board assembly 400; the printed circuit board assembly 400 comprises a substrate 410 and a filter 420, wherein the filter 420 is fixed with the substrate 410, and a vibrator feed point of the low-frequency active vibrator 210 and a vibrator feed point of the high-frequency active vibrator 310 are connected with an input end of the filter 420; the low-frequency active vibrator 210 and the high-frequency active vibrator 310 are fixed to the base plate 100 by the moving member 600, and the bottom of the substrate 410 is fixed to the top of the base plate 100.
Based on the structure, in the circuit arrangement of the plate-shaped antenna, the active oscillator and the parasitic oscillator are arranged in a stacked mode, and the oscillator feed points of the high-frequency-band active oscillator 310 and the low-frequency-band active oscillator 210 are connected with the printed circuit board assembly 400, so that the microstrip antenna keeps a small-size structure when the high-frequency-band unit 300 and the low-frequency-band unit 200 are simultaneously carried in the antenna, and the use requirement on the high-frequency-band pulse width of the antenna can be met; and the oscillator feed points of the high-frequency active oscillator 310 and the low-frequency active oscillator 210 are connected to the input end of the filter 420 in the printed circuit board assembly 400, so that the signal in the antenna is filtered by the filter 420 to the signal with specific pulse width, the gain effect and the anti-interference performance of the antenna are improved, the performance of double frequency bands and high gain of the microstrip antenna on the premise of small volume is realized, and the practicability of the double frequency high gain plate-shaped antenna is improved.
As a preferred implementation manner of this embodiment, the low-band active oscillator 210 is a 2.4GHz active oscillator, and the low-band parasitic oscillator 220 is a 2.4GHz parasitic oscillator; the high-band active oscillator 310 is a 5.8GHz active oscillator and the high-band parasitic oscillator 320 is a 5.8GHz parasitic oscillator. In the use of the multi-band antenna, 2.4GHz, 5GHz and 5.8GHz are the most commonly used frequency bands, and the 2.4GHz frequency band and the 5.8GHz frequency band are adopted as double-frequency performance in the application, so that the use requirements of most users on high and low frequency bands can be met.
Based on the above-mentioned 2.4GHz and 5.8GHz frequency channel's setting, wave filter 420 is L TE frequency channel wave filter, the benefit of setting up like this is, wave filter 420 can with the L TE frequency channel filtering of 2.4GHzWIFI frequency channel part overlapping in the signal, get rid of among the antenna operational environment L TE frequency channel signal to the influence of antenna WIFI frequency channel, improve the gain of this application dual-frenquency high gain's plate antenna, and then improve this application dual-frenquency high gain's plate antenna's practicality.
As a preferred implementation manner of this embodiment, referring to fig. 2, the low-band active oscillator 210 includes a low-band first polarization end 211 and a low-band second polarization end 212 having polarization directions perpendicular to each other, the high-band active oscillator 310 includes a high-band first polarization end 311 and a high-band second polarization end 312 having polarization directions perpendicular to each other, and the polarization directions of the low-band first polarization end 211 and the high-band first polarization end 311 are the same and both are horizontal; the polarization directions of the low-band second polarization end 212 and the high-band second polarization end 312 are the same and are vertical; the filter 420 includes a first filter 421 and a second filter 422; the low band first polarization terminal 211 and the high band first polarization terminal 311 are connected to an input terminal of a first filter 421, and the low band second polarization terminal 212 and the high band second polarization terminal 312 are connected to an input terminal of a second filter 422. The first filter 421 and the second filter 422 are based on the prior art. The dual-polarized low-frequency-band active oscillator 210 and the dual-polarized high-frequency-band active oscillator 310 are adopted, two frequency bands in the same polarization direction are filtered through the same filter 420, and a power distribution network is built, so that the dual-frequency high-gain plate-shaped antenna can complete high-gain output only by using two output ports, and the size of the antenna is reduced on the premise of improving the gain of the dual-frequency high-gain plate-shaped antenna.
In this embodiment, referring to fig. 3, the printed circuit board assembly 400 is provided with a first coaxial connector 501 and a second coaxial connector 502, the low band first polarization terminal 211 and the high band first polarization terminal 311 are connected in parallel at the first coaxial connector 501 and then connected to the input terminal of the first filter 421, and the low band second polarization terminal 212 and the high band second polarization terminal 312 are connected in parallel at the second coaxial connector 502 and then connected to the input terminal of the second filter 422. The first coaxial connector 501 and the second coaxial connector 502 are both coaxial connectors in the prior art, and the first coaxial connector 501 and the second coaxial connector 502 are screwed on the back surface of the base plate 100 through the substrate 410. The advantage of this setting is that through the use of first coaxial connector 501 and second coaxial connector 502, make two polarization directions of active oscillator all can carry out the feed through same feeder and connection, simplified the distribution of circuit on the bottom plate, and then guarantee the little structural feature of this application dual-frenquency high gain plate antenna volume.
As a preferred implementation manner of this embodiment, referring to fig. 4, the moving member 600 includes a spacer 601 and a slot 602, which are matched, and the top of the spacer 601 is fixed to the low-band active oscillator 210, the high-band active oscillator 310 and the bottom of the substrate 410; the card slot 602 opens at the top of the base plate 100. The cushion block 601 is a non-metal block structure in the prior art, the clamping groove 602 is a groove formed by a milling process in the prior art, and in the embodiment, the outer wall of the cushion block 601 can be clamped and fixed with the inner wall of the clamping groove 602. The advantage that sets up like this is, through the setting of cushion 601 and draw-in groove 602, makes between bottom plate 100 and the initiative oscillator, between initiative oscillator and the initiative oscillator all can carry out interval control through cushion 601, makes the connecting cable on the bottom plate 100 when arranging, can be more succinct, has made things convenient for the use and has reduced the volume of antenna.
In this embodiment, the slot 602 penetrates through the bottom plate 100, and a cushion block rivet pressing screw 603 is disposed at the bottom of the slot 602; the top of the low-frequency parasitic oscillator 220 and the top of the high-frequency parasitic oscillator 320 are provided with movable nuts 604 matched with the cushion block riveting screws 603; the low-frequency-band active vibrator 210, the low-frequency-band parasitic vibrator 220, the high-frequency-band active vibrator 310 and the high-frequency-band parasitic vibrator 320 are all in threaded connection with a cushion riveting screw 603 and are fixed with the bottom plate 100 through a movable nut 604. The traveling nut 604 may be a prior art plastic nut and the spacer clinch screw 603 may be a prior art plastic screw. The benefit that sets up like this is, through the use of removal nut 604 and cushion pressure riveting screw 603, makes low band initiative oscillator 210, low band parasitic oscillator 220, high band initiative oscillator 310 and high band parasitic oscillator 320 after the interval is adjusted, and is more stable with being connected between bottom plate 100, prevents to appear the circuit disconnection problem that the oscillator skew caused in the use, improves the practicality and the reliability of this application dual-frenquency high gain's plate antenna.
As a preferred implementation manner of this embodiment, the low-band active oscillator 210 and the high-band active oscillator 310 are both symmetric metal stampings. The advantage of this setting is that the low-frequency band active oscillator 210 and the high-frequency band active oscillator 310 formed by the symmetric metal stamping parts improve the synchronism of signal transmission in two polarization directions of the active oscillator, thereby improving the gain of the dual-frequency high-gain plate antenna.
As a preferred embodiment of this embodiment, the bottom plate 100 is provided with a plurality of mounting threaded holes 101, and bottom plate rivet pressing screws 102 for mounting and fixing the bottom plate 100 are screwed in the mounting threaded holes 101. The advantage that sets up like this is through installing screw hole 101 and presetting ground bottom plate pressure riveting screw 102 on the bottom plate in advance, makes the user in the use, only needs to carry out the spiro union with bottom plate pressure riveting screw 102 and mounted position, can accomplish the installation of antenna, has made things convenient for the use, has improved the practicality of this application dual-frenquency high-gain plate antenna.
The working principle is as follows: when the movable element is used, the position of the cushion block 601 in the clamping groove 602 is adjusted by adjusting the tightness between the cushion block rivet pressing screw 603 and the bottom plate 100, the cushion block rivet pressing screw 603 is screwed down after the space between the active vibrators meets the use requirement, and the movable element 600 and the bottom plate 100 are fixed;
in the circuit arrangement of the plate-shaped antenna, an active oscillator and a parasitic oscillator are stacked, and oscillator feed points of a high-frequency-band active oscillator 310 and a low-frequency-band active oscillator 210 are connected with a printed circuit board assembly 400, so that the active oscillator can feed electricity in horizontal and vertical polarization directions simultaneously, and a power distribution network is built on the premise of double frequency of the antenna to ensure the small volume performance of the antenna;
the oscillator feed points of the high-frequency-band active oscillator 310 and the low-frequency-band active oscillator 210 are connected to the input end of the filter 420 in the printed circuit board assembly 400, and an impedance matching network combining the printed circuit board assembly with the filtering function and the low-loss coaxial connector is built, so that signals in the antenna are filtered by the filter 420 to signals with specific pulse width, and the gain effect and the anti-interference performance of the antenna are improved.
The foregoing description is for the purpose of illustration and is not for the purpose of limitation. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego the subject matter and should not be construed as an admission that the applicant does not consider such subject matter to be part of the disclosed subject matter.

Claims (9)

1. A dual-band high-gain plate antenna comprising a base plate (100), a low-band element (200), a high-band element (300), and a printed circuit board assembly (400);
the low-frequency band unit (200) comprises a plurality of low-frequency band active vibrators (210) and a plurality of low-frequency band parasitic vibrators (220), the low-frequency band parasitic vibrators (220) are fixed to the tops of the low-frequency band active vibrators (210), and vibrator feed points of the low-frequency band active vibrators (210) are connected with the printed circuit board assembly (400);
the high-frequency band unit (300) comprises a plurality of high-frequency band active vibrators (310) and a plurality of high-frequency band parasitic vibrators (320), the high-frequency band parasitic vibrators (320) are fixed to the top of the high-frequency band active vibrators (310), and vibrator feed points of the high-frequency band active vibrators (310) are connected with the printed circuit board assembly (400);
the printed circuit board assembly (400) comprises a substrate (410) and a filter (420), the filter (420) is fixed with the substrate (410), and a vibrator feed point of the low-frequency-band active vibrator (210) and a vibrator feed point of the high-frequency-band active vibrator (310) are connected with the input end of the filter (420);
the low-frequency-band active vibrator (210) and the high-frequency-band active vibrator (310) are fixed with the bottom plate (100) through a moving piece (600), and the bottom of the base plate (410) is fixed with the top of the bottom plate (100).
2. The dual-band high-gain panel antenna according to claim 1, wherein said low-band active element (210) is a 2.4GHz active element and said low-band parasitic element (220) is a 2.4GHz parasitic element; the high-frequency-band active oscillator (310) is a 5.8GHz active oscillator, and the high-frequency-band parasitic oscillator (320) is a 5.8GHz parasitic oscillator.
3. Dual-frequency high-gain patch antenna according to claim 2, characterized in that said filter (420) is an L TE band filter.
4. The dual-band high-gain panel antenna of claim 1 or 2, wherein the low-band active element (210) comprises a low-band first polarization end (211) and a low-band second polarization end (212) having polarization directions perpendicular to each other, the high-band active element (310) comprises a high-band first polarization end (311) and a high-band second polarization end (312) having polarization directions perpendicular to each other, the polarization directions of the low-band first polarization end (211) and the high-band first polarization end (311) are the same, and the polarization directions of the low-band second polarization end (212) and the high-band second polarization end (312) are the same; the filter (420) comprises a first filter (421) and a second filter (422); the low-frequency band first polarization end (211) and the high-frequency band first polarization end (311) are connected with the input end of the first filter (421), and the low-frequency band second polarization end (212) and the high-frequency band second polarization end (312) are connected with the input end of the second filter (422).
5. The dual-band high-gain plate antenna as claimed in claim 4, wherein a first coaxial connector (501) and a second coaxial connector (502) are disposed on the printed circuit board assembly (400), the low band first polarized terminal (211) and the high band first polarized terminal (311) are connected in parallel at the first coaxial connector (501) and then connected to an input terminal of the first filter (421), and the low band second polarized terminal (212) and the high band second polarized terminal (312) are connected in parallel at the second coaxial connector (502) and then connected to an input terminal of the second filter (422).
6. The dual-band high-gain plate antenna of claim 1, wherein the moving member (600) comprises a spacer (601) and a slot (602) which are matched, and the top of the spacer (601) is fixed with the low-band active oscillator (210), the high-band active oscillator (310) and the bottom of the substrate (410); the clamping groove (602) is arranged at the top of the bottom plate (100).
7. The dual-band high-gain plate antenna according to claim 6, wherein said slot (602) penetrates said bottom plate (100), and a spacer clinch screw (603) is disposed at the bottom of said slot (602); the top parts of the low-frequency-band parasitic vibrator (220) and the high-frequency-band parasitic vibrator (320) are provided with movable nuts (604) matched with the cushion block riveting screws (603); the low-frequency-band active vibrator (210), the low-frequency-band parasitic vibrator (220), the high-frequency-band active vibrator (310) and the high-frequency-band parasitic vibrator (320) are in threaded connection with the cushion block riveting screw (603), and are fixed with the bottom plate (100) through the movable nut (604).
8. The dual-band high-gain panel antenna according to claim 1, wherein said low band active element (210) and said high band active element (310) are both symmetrical metal stampings.
9. The dual-frequency high-gain plate-shaped antenna according to claim 1, wherein the bottom plate (100) is provided with a plurality of mounting threaded holes (101), and bottom plate rivet pressing screws (102) for mounting and fixing the bottom plate (100) are screwed in the mounting threaded holes (101).
CN201922343202.7U 2019-12-24 2019-12-24 Dual-frequency high-gain plate-shaped antenna Active CN211017390U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922343202.7U CN211017390U (en) 2019-12-24 2019-12-24 Dual-frequency high-gain plate-shaped antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922343202.7U CN211017390U (en) 2019-12-24 2019-12-24 Dual-frequency high-gain plate-shaped antenna

Publications (1)

Publication Number Publication Date
CN211017390U true CN211017390U (en) 2020-07-14

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Application Number Title Priority Date Filing Date
CN201922343202.7U Active CN211017390U (en) 2019-12-24 2019-12-24 Dual-frequency high-gain plate-shaped antenna

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