CN111478038A - Broadband S-band antenna assembly - Google Patents
Broadband S-band antenna assembly Download PDFInfo
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- CN111478038A CN111478038A CN202010449687.2A CN202010449687A CN111478038A CN 111478038 A CN111478038 A CN 111478038A CN 202010449687 A CN202010449687 A CN 202010449687A CN 111478038 A CN111478038 A CN 111478038A
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- 230000005855 radiation Effects 0.000 claims abstract description 120
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 230000003071 parasitic effect Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000001228 spectrum Methods 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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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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Abstract
The invention discloses a broadband S-band antenna assembly, which comprises: an antenna base; the main radiation unit is arranged on the antenna base body and used for radiating electromagnetic waves; the parasitic radiation unit is arranged on the antenna base body and used for coupling with the main radiation unit to widen the frequency band of the radiated electromagnetic wave; the feed balance unit is arranged on the antenna substrate and used for impedance matching; and the feed cable is arranged on the antenna substrate and is connected with the main radiation unit and used for feeding in radiation current. The invention realizes the requirements of broadband S-band miniaturization omnidirectional radiation and miniaturization installation in the mobile concealed installation environment such as missile-borne, small or miniature unmanned aerial vehicle-mounted environment and the like.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a broadband S-band antenna assembly.
Background
The small-size Portable unmanned aerial vehicle has the advantages that the small-size communication Antenna suitable for the unmanned aerial vehicle application is gradually increased, the small-size communication Antenna which meets the requirements of platform portability, smallness and reliable working is largely applied to the small-size and miniaturized unmanned aerial vehicle systems, the Antenna In the common unmanned aerial vehicle system mainly comprises a half-wavelength polar Antenna, a PIFA Antenna and a narrow-size and reliable-working spiral Antenna, and the like, the antennas In the small-size and miniaturized Portable unmanned aerial vehicle system are usually suitable for a narrow-size and narrow-working frequency Band (less than 2%) and the Antenna beam is influenced by shielding and hardly meets the requirements of 360-degree omnidirectional radiation coverage of half-wavelength polar Antenna G.Spence and Wedgen Antenna of the conventional Antenna, the narrow-size and narrow-working Antenna of the Antenna, such as a narrow-Antenna, a narrow-working frequency Band of the Antenna, a narrow-size and wide-Antenna, a narrow-Band Antenna, a narrow-frequency Band, a narrow-Antenna, a wireless.
Disclosure of Invention
The invention mainly solves the technical problem of providing an S-shaped antenna assembly, which can meet the requirements of high-speed moving concealed installation environments such as miniaturized and miniaturized unmanned planes and the like on the antenna assembly.
The present invention provides a broadband S-band antenna assembly comprising:
an antenna base;
the feed cable is arranged on the antenna substrate and used for feeding in radiation current;
the main radiation unit is arranged on the antenna substrate, is connected with the feed cable and is used for converting the feed current into electromagnetic waves and radiating the electromagnetic waves;
the parasitic radiation unit is arranged on the antenna base body and used for coupling with the main radiation unit to widen the frequency band of the radiated electromagnetic wave;
and the feed balance unit is arranged on the antenna substrate and used for impedance matching.
Further, the antenna base body comprises a first base body and a second base body, and the first base body and the second base body are vertically connected.
Further, the feed balance unit includes a first feed balance unit, a second feed balance unit, and a third feed balance unit, the first feed balance unit is disposed on the lower bottom surface of the second substrate, the second feed balance unit and the third feed balance unit are disposed on the outer surface of the first substrate, and the first feed balance unit is connected to the second feed balance unit and the third feed balance unit.
Further, the main radiation unit is arranged on the outer surface of the first substrate, and the main radiation unit comprises: the antenna comprises a feed extension unit, a first radiation unit, a second radiation unit, a third radiation unit and a spread spectrum unit;
the feed extension unit is of a rectangular structure, the lower short edge of the feed extension unit of the rectangular structure is connected with the feed cable, the upper short edge of the feed extension unit of the rectangular structure is connected with the first radiation unit, and the feed extension unit is used for outputting feed radiation current fed into the feed cable to the first radiation unit;
the first radiation unit is of an inverted trapezoidal structure, the lower bottom edge of the inverted trapezoidal structure is connected with the upper short edge of the feed extension unit, the upper bottom edge of the inverted trapezoidal structure is connected with the third radiation unit, and the first radiation unit is used for converting input radiation current into electromagnetic waves, radiating the electromagnetic waves after spreading the frequency of the electromagnetic waves, and outputting the radiation current to the second radiation unit;
the second radiation unit is of a rectangular structure, part of the lower long edge of the second radiation unit of the rectangular structure is connected with the upper bottom edge of the first radiation unit, part of the lower long edge of the second radiation unit of the rectangular structure is connected with the third radiation unit, and the left short edge of the second radiation unit of the rectangular structure is connected with the left waist line of the inverted trapezoidal structure and used for converting input radiation current into electromagnetic wave, radiating the electromagnetic wave and guiding and outputting the radiation current to the third radiation unit;
the third radiating unit is of an S-shaped structure, the starting end of the S-shaped structure is connected with part of the lower long edge of the third radiating unit and is also connected with the right waist line of the first radiating unit of the inverted trapezoidal structure, the finishing end of the S-shaped structure is connected with the second feed balancing unit, and the third radiating unit is used for guiding and inputting radiation current to the first feed balancing unit;
the spread spectrum unit is an oval hollow etching structure, is located at the center of the main radiation unit and is used for widening the frequency band of the radiated electromagnetic wave.
Further, the third radiation unit includes a first S-shaped structure and a second S-shaped structure, a corner of the first S-shaped structure is a rounded corner, and a corner of the second S-shaped structure is a right-angle corner.
Furthermore, the first feed balancing unit has a rectangular structure, the second feed balancing unit comprises a first module and a second module, the first module has a rectangular structure, the lower long side of the first module of the rectangular structure is connected with part of the first feed balancing units, the second module has a right-angled trapezoid structure, the lower bottom side of the second module of the right-angled trapezoid structure is connected with the upper long side of the first module of the rectangular structure, and the oblique waist line of the second module of the right-angled trapezoid structure is connected with part of the left waist line of the first radiating unit;
the third feed unit comprises a third module and a fourth module, the third module is of a rectangular structure, the lower short edge of the third module of the rectangular structure is connected with part of the first feed balance units, the fourth module is of a right-angle trapezoidal structure, the lower bottom edge of the fourth module of the right-angle trapezoidal structure is connected with the upper short edge of the third module, and the oblique waist line of the fourth module of the right-angle trapezoidal structure is connected with part of the right waist line of the first radiation unit.
Furthermore, the parasitic radiation unit is arranged in the second radiation unit, the parasitic radiation unit is in a rectangular wave shape, one end of the rectangular wave shape is connected with the end part of the left short side of the second radiation unit, and the other end of the rectangular wave shape is connected with the end part of the right short side of the second radiation unit.
Compared with the prior art, the invention has the following technical effects:
the invention fully considers the installation environment and position of the communication measurement and control antenna such as a small and micro unmanned aerial vehicle, realizes the miniaturized concealed installation of the broadband S wave band by designing a plurality of composite methods such as a radiation unit, a parasitic radiation unit and a feed balance unit of an antenna component, the omnidirectional radiation of vertical polarization, the half-wave power angle of the antenna is more than 60 degrees, and the gain of the antenna is more than 2 dBi; and through the method of loading and folding multiplexing, the size of the antenna assembly is effectively reduced, and the physical size of each direction of the antenna assembly is reduced by at least 3 times compared with the traditional antenna.
Drawings
FIG. 1 is a schematic structural diagram of a broadband S-band antenna assembly provided by the present invention;
FIG. 2 is a schematic diagram of a specific structure of a first substrate;
FIG. 3 is a graphical representation of the S11 parameter curve for an antenna assembly of the present invention;
FIG. 4 is a schematic view of an antenna assembly of the present invention in the direction of plane E;
fig. 5 is a schematic view of the H-plane direction of the antenna assembly of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wideband S-band antenna assembly provided in the present invention, where the antenna assembly includes: the antenna comprises an antenna base body 10, a main radiation unit 20, a parasitic radiation unit 30, a feed balance unit 40 and a feed cable 50.
The antenna substrate 10 is manufactured by processing a flexible FPC circuit board with a single-side copper-clad layer, a dielectric constant of 2.8-3.2 and a thickness of 0.001 time of wavelength, the antenna substrate 10 comprises a first substrate 101 and a second substrate 102, and the first substrate 101 is vertically connected with the second substrate 102.
The feed cable 50 in this embodiment is provided on the antenna base 10 for feeding a radiation current. The feed cable 50 in this embodiment is an input and output port of the rf energy and antenna assembly, the stripped portion of the inner conductor core wire is welded to the feed extension unit of the main radiating unit in a close and flush manner, two inner conductor core wires, each of which is 4 mm long, are placed on two sides of the stripped cable outer conductor in a mirror image symmetry with the inner conductor axis, and the bottom ends are welded firmly. Top end portions, each welded firmly to the second feeding balance unit 402 and the third feeding balance unit 403, respectively, in close proximity.
In the present embodiment, the main radiating element 20 is disposed on the antenna substrate 10, and the feeding cable 50 is connected to the main radiating element 20, and is used for converting the feeding current to form an electromagnetic wave radiated in space. Wherein the main radiating element 20 is arranged on the outer surface of the first substrate.
The parasitic radiation element 30 is disposed on the antenna base 10 in this embodiment, and is used for coupling with the main radiation element 20 to widen the frequency band of the radiated electromagnetic wave.
The feed balance unit 40 is provided on the antenna base 10 in this embodiment for impedance matching.
The feeding balance unit 40 includes a first feeding balance unit 401, a second feeding balance unit 402, and a third feeding balance unit 403, the first feeding balance unit 401 is disposed on the lower bottom surface of the second base 102, the second feeding balance unit 402 and the third feeding balance unit 403 are disposed on the outer surface of the first base 101, and the first feeding balance unit 401 is connected to the second feeding balance unit 402 and the third feeding balance unit 403.
In the present embodiment, referring to fig. 2, the main radiation unit 20 includes: a feed extension element 201, a first radiation element 202, a second radiation element 203, a third radiation element 204 and a spreading element 205.
The feed extension unit 201 is a rectangular structure, a lower short side of the feed extension unit of the rectangular structure is connected with the feed cable, an upper short side of the feed extension unit of the rectangular structure is connected with the first radiation unit, and the feed extension unit is used for outputting a feed radiation current fed into the feed cable to the first radiation unit. In this embodiment, the feeding extension unit 201 is a structure etched on the flexible FPC single-sided copper-clad circuit board (first antenna substrate) by using a laser etching process. In this embodiment, the feeding extension unit 201 has a rectangular structure, the length of the short side is 0.012 times of the wavelength, the length of the long side is 0.024 times of the wavelength, and the distance from the lower edge of the short side to the upper edge of the first feeding balance unit is 0.008 times of the wavelength. The wavelength in this embodiment is the wavelength of the radiation cell wave.
The first radiation unit 202 is an inverted trapezoid structure, the lower bottom edge of the inverted trapezoid structure is connected with the upper short edge of the feed extension unit 201, the upper bottom edge of the inverted trapezoid structure is connected with the third radiation unit 204, the first radiation unit is used for converting input radiation current into electromagnetic wave, the electromagnetic wave is radiated after the electromagnetic wave is spread, and meanwhile, the radiation current is output to the second radiation unit 203. In this embodiment, the first radiation element 202 is an inverted trapezoid structure, the length of the waist line (left waist line) closest to the second feed balance element portion in the inverted trapezoid structure is 0.12 times of wavelength, the included angle between the line segment and the extension line of the trapezoid side facing the second feed balance element portion is 30-60 °, the length of the other waist line (right waist line) is also 0.12 times of wavelength, the included angle between the line segment and the extension line of the trapezoid bottom side facing the second feed balance element portion is 50-80 °, and the length of the trapezoid top base side is 0.1664 times of wavelength. In this embodiment, "left" and "right" are "left" and "right" in fig. 2.
The second radiation unit 203 is in a rectangular structure, a part of the lower long edge of the second radiation unit in the rectangular structure is connected with the upper bottom edge of the first radiation unit 202, a part of the lower long edge of the second radiation unit in the rectangular structure is connected with the third radiation unit, and the left short edge of the second radiation unit in the rectangular structure is connected with the left waist line in the inverted trapezoid structure, and is used for converting the input radiation current into an electromagnetic wave, radiating the electromagnetic wave, and guiding and outputting the radiation current to the third radiation unit 204. In this embodiment, the second radiation unit 203 has a rectangular structure, and the upper and lower sides of the rectangular structure have a long side with a length of 0.2344 times of wavelength and two sides have a short side with a length of 0.088 times of wavelength.
The third radiating element 204 is of an S-shaped structure, the starting end of the S-shaped structure is connected to a part of the lower long side of the third radiating element, and is further connected to the right waist line of the first radiating element of the inverted trapezoid structure, the ending end of the S-shaped structure is connected to the second feeding balance unit 402, and the third radiating element is configured to guide and input a radiation current to the second feeding balance unit 402.
The third radiating element 204 includes a first S-shaped structure 2041 and a second S-shaped structure 2042, where corners of the first S-shaped structure 2041 are rounded corners, and corners of the second S-shaped structure 2042 are right-angled corners. The two S-shaped structures of the third radiation unit 204 are both used for guiding the radiation current trend, gradually suppressing the current intensity, and reducing the return loss of the port. The first S-shaped meandering structure comprises a first section of extension line, a second section of extension line, a third section of extension line, a fourth section of extension line, a fifth section of extension line, a sixth section of extension line and a seventh section of extension line, wherein the starting end of the first section of extension line is tangent to and intersected with the lower long side of the part of the third radiating unit, the length of the first section of extension line is 0.012 times of wavelength, the first section of extension line extends in the direction parallel to the short side of the third radiating unit, the width of the first section of extension line is 0.008 times of wavelength, and the first section of extension line extends in the direction perpendicular to the short side of the. The second section of extension line is orthogonal to the first section of extension line, the length is 0.076 times of wavelength, the width is the same as the width of the first section, and the starting part of the second section is vertically connected with the tail part of the first section in an end mode. The third, fifth and seventh sections of extension lines are parallel to the first section of extension line, the extension directions are the same, the lengths are the same and are 0.004 times of wavelength, the width is 0.008 times of wavelength, and the third, fifth and seventh sections of extension lines are sequentially connected with the second, fourth and sixth extension lines in an end mode. Wherein, the starting position of the third section is connected with the ending position of the second section, the ending position of the third section is connected with the starting position of the fourth section, and so on, and the two sections are arranged in sequence. The length and width of the fourth and sixth extension lines are the same as those of the second extension line, the extension directions of the fourth and sixth extension lines extend in the second and fourth opposite directions, and the second and sixth extension lines extend in the same direction.
The initial part of the first section of the second S-shaped structure is connected with the tail part of the seventh section of the extension line of the first S-shaped structure in an end way, the width of the first section of the extension line is 0.048 times of wavelength, the length of the first section of the extension line is 0.004 times of wavelength, the extension direction of the second section of the second S-shaped structure is the same as the sixth section of the extension line of the first S-shaped structure, the second, fourth, sixth, eighth, tenth, twelfth, fourteenth and sixteenth sections of the extension line have the same size, the extension direction of the second section of the extension line is the same as the first section of the extension line of the first S-shaped structure, the width of the second section of the extension line is 0.048 times of wavelength, the second section of the extension line is sequentially connected with the tail of the first section, the tail of the second section of the extension line is connected with the third section of the tail, the tail of the second section of the extension line is connected with the third section of the tail, the third section of the second section of the first section of the second, the length is also equal to 0.092 wavelength, wherein the three, seven, eleven and fifteen directions of extension are the same as the second section of extension of the first "snake" type meander. The extending directions of the fifth, ninth, thirteenth and seventeenth extending lines are the same as the sixth section of the extending line in the snake-shaped winding direction, the length of the eighteenth extending line is 0.0071 times of wavelength, the width of the extending line is 0.048 times of wavelength, the first section of the extending line in the first S-shaped structure extending direction is the same, the starting end of the first section is connected with the tail end of the seventeenth section, and the tail end of the first section is connected with the first feed balance unit.
The spread spectrum unit 205 is an elliptical hollow etching structure, and the spread spectrum unit 205 is located at the center of the main radiation unit 20 and is used for widening the frequency band of the radiated electromagnetic wave. The distance between the spread spectrum unit 205 and the left short side of the main radiation unit 20 is 0.091 times wavelength, the distance between the spread spectrum unit 205 and the short side of the feed extension unit 201 of the main radiation unit 20 is 0.12 times wavelength, the long side of the spread spectrum unit 205 is a hollow-out etched elliptical hollow-out groove, the wavelength of the long side is 0.064 times wavelength, and the wavelength of the short side is 0.048 times wavelength.
The parasitic radiation unit 30 is provided in the second radiation unit 203, the parasitic radiation unit 30 has a rectangular wave shape, one end of the rectangular wave shape is connected to the end of the left short side of the second radiation unit 203, and the other end is connected to the end of the right short side of the second radiation unit 203. The length of the long side of the rectangular strip is 0.24 times of wavelength, and the length of the short side of the rectangular strip is 0.144 times of wavelength. The lower edge of the long edge of the rectangular wave is 0.0024 times of wavelength away from the upper bottom edge of the first radiation unit, the lower edge of the long edge of the rectangular wave and the corresponding positions of the six hollowed-out etching grooves of the second section of radiation unit extend and are embedded into the grooves to form six identical rectangular tooth-shaped structures, the length of the rectangular tooth-shaped structures is 0.016 times of wavelength, the width of the rectangular tooth-shaped structures is 0.0172 times of wavelength, and the distance between each edge of the rectangular wave-shaped structures embedded into the grooves and the groove edge is 0.0024 times of wavelength.
In this embodiment, the first feed balance unit 401 has a rectangular structure, and the width of the first feed balance unit is 0.24 times the wavelength, and the length of the first feed balance unit is 0.08 times the wavelength. The long side of the rectangle is 0.0876 wavelength and the short side is 0.032 wavelength.
The second feeding balance unit 402 includes a first module and a second module, the first module is a rectangular structure, the lower long side of the first module of the rectangular structure is connected with part of the first feeding balance unit 401, the short side (right short side) of the first module of the rectangular structure close to the feeding extension unit is parallel to the long side adjacent to the feeding extension unit, and the distance between the short side and the long side is 0.0024 times of wavelength; the second module is of a right-angle trapezoidal structure, the lower bottom edge of the second module of the right-angle trapezoidal structure is connected with the upper long edge of the first module of the rectangular structure, and the oblique waist line of the second module of the right-angle trapezoidal structure is connected with the left waist line of the first radiating unit. The lower bottom edge of the trapezoid is the long rectangular edge of the connected first module, and the length of the upper bottom edge is 0.059 times of the wavelength. The length of the right-angled side trapezoid waist line (left waist line) is 0.028 times of the wavelength, the other waist line (right waist line and oblique waist line) is parallel to the waist line of the part, closest to the second feed balance unit, in the inverted trapezoid structure of the first radiation unit, the distance is 0.0024 times of the wavelength, and the length is 0.04 times of the wavelength.
The third feeding unit 403 includes a third module and a fourth module, the third module is in a rectangular structure, a lower short side of the third module in the rectangular structure is connected with a part of the first feeding balancing unit, the fourth module is in a right-angle trapezoid structure, a lower bottom side of the fourth module in the right-angle trapezoid structure is connected with an upper short side of the third module, and an oblique waist line of the fourth module in the right-angle trapezoid structure is connected with a part of a right waist line of a part of the first radiating unit. The third feeding unit 403 and the second feeding balancing unit 402 are in mirror symmetry with respect to the axial direction of the long side of the feeding extension unit, the structural forms are similar, the lengths of the short side and the right-angle side are the same, the length of the rectangular long side is 0.032 times of the wavelength, the length of the upper bottom side of the trapezoid is 0.012 times of the wavelength, the inclined side (inclined waist line) of the trapezoid is parallel to the other waist line in the inverted trapezoid structure of the first radiation unit, and the distance is 0.0024 times of the wavelength.
Fig. 3 is a plot of the S11 parameter for an antenna assembly of the present invention, fig. 4 is an E-plane pattern for an antenna assembly of the present invention, and fig. 5 is an H-plane pattern for an antenna assembly of the present invention. As can be seen from fig. 3, 4 and 5, the invention realizes the miniaturized concealed installation of the broadband S-band, the vertically polarized omnidirectional radiation, the half-wave power angle of the antenna is more than 60 °, and the antenna gain is more than 2 dBi. And through the method of loading and folding multiplexing, the size of the antenna is effectively reduced, and the physical size of each direction of the antenna is reduced by at least 3 times compared with the traditional antenna.
The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.
Claims (7)
1. A broadband S-band antenna assembly, comprising:
an antenna base;
the feed cable is arranged on the antenna substrate and used for feeding in radiation current;
the main radiation unit is arranged on the antenna substrate, is connected with the feed cable and is used for converting the feed current into electromagnetic waves and radiating the electromagnetic waves;
the parasitic radiation unit is arranged on the antenna base body and used for coupling with the main radiation unit to widen the frequency band of the radiated electromagnetic wave;
and the feed balance unit is arranged on the antenna substrate and used for impedance matching.
2. The broadband S-band antenna assembly of claim 1, wherein the antenna substrate comprises a first substrate and a second substrate, the first substrate and the second substrate being connected vertically.
3. The wideband S-band antenna assembly of claim 2, wherein the feed balance element comprises a first feed balance element, a second feed balance element, and a third feed balance element, the first feed balance element is disposed on a lower bottom surface of the second substrate, the second feed balance element and the third feed balance element are disposed on an outer surface of the first substrate, and the first feed balance element is connected to the second feed balance element and the third feed balance element.
4. The broadband S-band antenna assembly of claim 3, wherein the primary radiating element is disposed on an outer surface of the first substrate, the primary radiating element comprising: the antenna comprises a feed extension unit, a first radiation unit, a second radiation unit, a third radiation unit and a spread spectrum unit;
the feed extension unit is of a rectangular structure, the lower short edge of the feed extension unit of the rectangular structure is connected with the feed cable, the upper short edge of the feed extension unit of the rectangular structure is connected with the first radiation unit, and the feed extension unit is used for outputting feed radiation current fed into the feed cable to the first radiation unit;
the first radiation unit is of an inverted trapezoidal structure, the lower bottom edge of the inverted trapezoidal structure is connected with the upper short edge of the feed extension unit, the upper bottom edge of the inverted trapezoidal structure is connected with the third radiation unit, the first radiation unit is used for converting input radiation current into electromagnetic waves, radiating the electromagnetic waves after spreading the frequency of the electromagnetic waves, and outputting the radiation current to the second radiation unit;
the second radiation unit is of a rectangular structure, part of the lower long edge of the second radiation unit of the rectangular structure is connected with the upper bottom edge of the first radiation unit, part of the lower long edge of the second radiation unit of the rectangular structure is connected with the third radiation unit, and the left short edge of the second radiation unit of the rectangular structure is connected with the left waist line of the inverted trapezoidal structure and used for converting input radiation current into electromagnetic wave, radiating the electromagnetic wave and guiding and outputting the radiation current to the third radiation unit;
the third radiating unit is of an S-shaped structure, the starting end of the S-shaped structure is connected with part of the lower long edge of the third radiating unit and is also connected with the right waist line of the first radiating unit of the inverted trapezoidal structure, the finishing end of the S-shaped structure is connected with the second feed balancing unit, and the third radiating unit is used for guiding and inputting radiation current to the first feed balancing unit;
the spread spectrum unit is an oval hollow etching structure, is located at the center of the main radiation unit and is used for widening the frequency band of the radiated electromagnetic wave.
5. The broadband S-band antenna assembly of claim 4, wherein the third radiating element comprises a first S-shaped structure and a second S-shaped structure, the corners of the first S-shaped structure being rounded corners and the corners of the second S-shaped structure being right angle corners.
6. The broadband S-band antenna assembly of claim 5, wherein the first feed balance element is of a rectangular structure, the second feed balance element comprises a first module and a second module, the first module is of a rectangular structure, a lower long side of the first module of the rectangular structure is connected with a part of the first feed balance element, the second module is of a right trapezoid structure, a lower bottom side of the second module of the right trapezoid structure is connected with an upper long side of the first module of the rectangular structure, and a diagonal waist line of the second module of the right trapezoid structure is connected with a part of a left waist line of the first radiating element;
the third feed unit comprises a third module and a fourth module, the third module is of a rectangular structure, the lower short side of the third module of the rectangular structure is connected with part of the first feed balance units, the fourth module is of a right-angle trapezoidal structure, the lower bottom edge of the fourth module of the right-angle trapezoidal structure is connected with the upper short side of the third module, and the oblique waist line of the fourth module of the right-angle trapezoidal structure is connected with part of the right waist line of the first radiation unit.
7. The wideband S-band antenna assembly of claim 6, wherein said parasitic radiating element is disposed in said second radiating element, said parasitic radiating element having a rectangular wave shape with one end of the rectangular wave shape connected to an end of a left short side of the second radiating element and the other end connected to an end of a right short side of the second radiating element.
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| CN202010449687.2A CN111478038A (en) | 2020-05-25 | 2020-05-25 | Broadband S-band antenna assembly |
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| CN202010449687.2A CN111478038A (en) | 2020-05-25 | 2020-05-25 | Broadband S-band antenna assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149255A (en) * | 2022-06-24 | 2022-10-04 | 四川大学 | Central sawtooth broadband microstrip antenna |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697254A (en) * | 2004-05-14 | 2005-11-16 | 广达电脑股份有限公司 | Hidden type antenna |
| CN1697253A (en) * | 2004-05-14 | 2005-11-16 | 广达电脑股份有限公司 | Hidden type antenna assembly in multifrequency |
| KR20060023108A (en) * | 2005-02-03 | 2006-03-13 | 주식회사 에이스테크놀로지 | Multiband antenna using whip having independent power feeding in wireless telecommunication terminal |
| US20100220023A1 (en) * | 2005-08-04 | 2010-09-02 | Ge Junxiang | Broad band antenna |
| TW201228119A (en) * | 2010-12-31 | 2012-07-01 | Silitek Electronic Guangzhou | Stand-alone multi-band antenna |
| CN104701614A (en) * | 2015-03-13 | 2015-06-10 | 吉林医药学院 | Ultra wide band elliptical monopole cylinder conformal antenna |
| CN104767025A (en) * | 2014-01-02 | 2015-07-08 | 纬创资通股份有限公司 | Wide-band antenna |
| WO2018157661A1 (en) * | 2017-02-28 | 2018-09-07 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN109599669A (en) * | 2019-01-15 | 2019-04-09 | 西安雷讯电子科技有限责任公司 | A kind of communication antenna of miniaturization vertical polarization multiband work |
| CN212162076U (en) * | 2020-05-25 | 2020-12-15 | 常熟正昊电子科技有限公司 | Broadband S-band antenna assembly |
-
2020
- 2020-05-25 CN CN202010449687.2A patent/CN111478038A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697254A (en) * | 2004-05-14 | 2005-11-16 | 广达电脑股份有限公司 | Hidden type antenna |
| CN1697253A (en) * | 2004-05-14 | 2005-11-16 | 广达电脑股份有限公司 | Hidden type antenna assembly in multifrequency |
| KR20060023108A (en) * | 2005-02-03 | 2006-03-13 | 주식회사 에이스테크놀로지 | Multiband antenna using whip having independent power feeding in wireless telecommunication terminal |
| US20100220023A1 (en) * | 2005-08-04 | 2010-09-02 | Ge Junxiang | Broad band antenna |
| TW201228119A (en) * | 2010-12-31 | 2012-07-01 | Silitek Electronic Guangzhou | Stand-alone multi-band antenna |
| CN104767025A (en) * | 2014-01-02 | 2015-07-08 | 纬创资通股份有限公司 | Wide-band antenna |
| CN104701614A (en) * | 2015-03-13 | 2015-06-10 | 吉林医药学院 | Ultra wide band elliptical monopole cylinder conformal antenna |
| WO2018157661A1 (en) * | 2017-02-28 | 2018-09-07 | 中兴通讯股份有限公司 | Antenna and terminal |
| CN109599669A (en) * | 2019-01-15 | 2019-04-09 | 西安雷讯电子科技有限责任公司 | A kind of communication antenna of miniaturization vertical polarization multiband work |
| CN212162076U (en) * | 2020-05-25 | 2020-12-15 | 常熟正昊电子科技有限公司 | Broadband S-band antenna assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115149255A (en) * | 2022-06-24 | 2022-10-04 | 四川大学 | Central sawtooth broadband microstrip antenna |
| CN115149255B (en) * | 2022-06-24 | 2023-09-05 | 四川大学 | Center sawtooth broadband microstrip antenna |
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