CN205790367U - A kind of trapezoidal broadband oscillator single-frequency array antenna - Google Patents
A kind of trapezoidal broadband oscillator single-frequency array antenna Download PDFInfo
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- CN205790367U CN205790367U CN201620773435.4U CN201620773435U CN205790367U CN 205790367 U CN205790367 U CN 205790367U CN 201620773435 U CN201620773435 U CN 201620773435U CN 205790367 U CN205790367 U CN 205790367U
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- frequency
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- trapezoidal
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- radiating doublet
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Abstract
The utility model discloses a kind of trapezoidal broadband oscillator single-frequency array antenna, including top pcb board, bottom pcb board, some signal input lines.The upper surface of top pcb board is provided with the some trapezoidal radiating doublet corresponding with some signal input lines, trapezoidal radiating doublet with minor face correspondence resonance at highest frequency point, with long limit correspondence resonance in lowest frequency points.Trapezoidal radiating doublet is array arrangement with vertical and horizontal, and the spacing between adjacent two row is 1/2 wavelength of lowest frequency points, and the spacing between adjacent rows is close to 1/2 wavelength of highest frequency point.The lower surface of top pcb board is provided with some signal coupling plates of connection corresponding with some signal input lines, in the center frequency points of the frequency broadband that the width resonance of signal coupling plate is constituted in highest frequency and low-limit frequency, the distance of signal coupling plate and trapezoidal radiating doublet is with the thickness of top pcb board as gap.The lower surface of bottom pcb board arranges principal reflection plate.
Description
Technical field
This utility model relates to a kind of array antenna, a kind of trapezoidal broadband oscillator single-frequency array antenna.
Background technology
Under Policy Background based on country's " Internet of Things ", add required for " industry 4.0 ", the Internet, radio and television
Net, data communication network will merge a net, abundant network information resource, and individual can be allowed to obtain desired by a network
Full detail, it is also possible to allow enterprise provide rich and varied form access network, among these, most convenient, quick way
It is exactly wireless access way, because wireless access way has saved substantial amounts of network construction expense, can quickly plan, quickly
Install, quickly come into operation, safeguard the most succinct.Developing rapidly now with WLAN, WIFI becomes channel radio
The main access way of last 500 meters in news, people, in life at ordinary times, working, learn, use hand-held WIFI product
Chance is significantly greatly increased, and by the connection of WIFI, people can be connected with outside macroreticular anywhere or anytime, obtain required for oneself
All information, the WIFI service that so how user in a region provides uninterruptedly, high flow capacity, large user's number access
Focus product, it is simply that a quick field of development in WIFI product now.How to design a kind of high-gain, miniaturization, low
The built-in broadband antenna of section becomes difficult point and the bottleneck of the performance raising of WIFI hot spot product, so in order to meet this product
Feature, corresponding built-in intenna of high gain is accomplished by same light, thin, little, and the performance of antenna self but can not be obvious
Reduce, as it is shown in figure 1, the half-wave dipole of the major part use routine of present built-in intenna of high gain is as subelement, its work
Working frequency scope is difficulty with wideband, if cause antenna design use in broadband signal scope, occur as soon as highest frequency point and
The hydraulic performance decline of lowest frequency points is obvious.
Utility model content
The purpose of this utility model is to solve the deficiency that above-mentioned background technology exists, proposing a kind of trapezoidal broadband oscillator
Single-frequency array antenna, it is achieved that simple in construction, lightweight, low cost of manufacture, radiation efficiency be high, easily realizes wide-band work etc.
Particular advantages.
Solution of the present utility model is: a kind of trapezoidal broadband oscillator single-frequency array antenna, it include top pcb board,
Bottom pcb board, some signal input lines；The upper surface of top pcb board is provided with corresponding with some signal input lines some
Trapezoidal radiating doublet；Trapezoidal radiating doublet uses the highest frequency point of frequency with minor face correspondence resonance in Antenna Design, with long limit
Corresponding resonance uses the lowest frequency points of frequency in Antenna Design；The lower surface of top pcb board is provided with and inputs with some signals
Some signal coupling plates that line is corresponding, signal coupling plate is electrically connected with one end of corresponding signal input line；Signal couples
Plate produces regional coupled signal electric field by the medium of top pcb board, couples a signal on corresponding trapezoidal radiating doublet；
The lower surface of bottom pcb board arranges principal reflection plate.
As the further improvement of such scheme, trapezoidal radiating doublet is array arrangement with vertical and horizontal, and adjacent two
Spacing between row is 1/2 wavelength that Antenna Design uses the lowest frequency points of frequency, and the spacing between adjacent rows is close to sky
Line design uses 1/2 wavelength of the highest frequency point of frequency.
As the further improvement of such scheme, the width resonance of signal coupling plate uses the highest of frequency in Antenna Design
In the center frequency points of the frequency broadband that frequency and low-limit frequency are constituted.
As the further improvement of such scheme, the distance of signal coupling plate and trapezoidal radiating doublet is with top pcb board
Thickness is gap.
As the further improvement of such scheme, principal reflection plate is that Antenna Design uses frequency with the spacing of top pcb board
Lowest frequency points corresponding wavelength 1/4.
As the further improvement of such scheme, signal coupling plate is the metal extended out from corresponding signal input line
Face.
As the further improvement of such scheme, principal reflection plate is the metal coverage rate on the pcb board lower surface of bottom.Enter one
Step ground, the other end connecting signal source of signal input line, multiple signal input lines constitute signal distributions network, described signal distributions
Network is isolated with principal reflection plate using bottom pcb board as dielectric layer.
As the further improvement of such scheme, trapezoidal radiating doublet is the upper surface metal level of top pcb board, top
Pcb board is as the interlayer layer of trapezoidal radiating doublet Yu signal coupling plate.
As the further improvement of such scheme, being shaped as of signal coupling plate is square.Further, signal coupling plate
Width is 1/4 wavelength that Antenna Design uses the lowest frequency points of frequency.
As the further improvement of such scheme, bottom pcb board and top pcb board use the connector of isolation material to assemble
In conjunction with.
The signal of input is sent on coupled signal plate by signal transmssion line by this utility model, and signal coupling plate will letter
Number it is transmitted to by the way of coupling is transmitted on trapezoidal radiating doublet, trapezoidal radiating doublet outside radiated electromagnetic wave signal, wherein
The signal of downward radiation is reflected by principal reflection plate, and reflection electromagnetic wave is overlapping with electromagnetic wave upwards, produces the electromagnetic radiation of orientation
Ripple, forms the narrow beam of high-gain.This utility model uses the two sides metal level of two pieces of PCB to achieve reflection, couple, radiate
Function, utilizes the processing technique of PCB, it is ensured that every a batch of product has good concordance, simplifies production, the most really
Protect the gain of antenna, provided cost savings, and made in the shell being integrated into complete machine that whole antenna can be complete.
Accompanying drawing explanation
Fig. 1 is the structural representation of traditional rectangular oscillator array antenna.
Fig. 2 is the axonometric chart of trapezoidal broadband oscillator single-frequency array antenna of the present utility model.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the upward view of Fig. 2.
Fig. 5 is the top view of Fig. 2.
Fig. 6 is the left view of Fig. 2.
Fig. 7 is the right view of Fig. 2.
Fig. 8 is the knot of one of them the signal coupling plate on top pcb board 1 lower surface and corresponding signal input line in Fig. 2
Structure schematic diagram.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Refer to Fig. 2, and combine Fig. 3 to Fig. 8, trapezoidal broadband oscillator single-frequency array antenna top PCB of the present utility model
Plate 1, bottom pcb board 2, some signal input lines 3.
The upper surface of top pcb board 1 is provided with the some trapezoidal radiating doublet 11 corresponding with some signal input lines 3,
The lower surface of top pcb board 1 is provided with the some signal coupling plates 12 corresponding with some signal input lines 3, top pcb board 1
The opposite sides that lower surface is top pcb board 1 of upper surface and top pcb board 1.Trapezoidal radiating doublet 11 is from signal coupling plate
12 is corresponding with ad-hoc location by the medium of top pcb board 1.
Trapezoidal radiating doublet 11 uses the highest frequency point of frequency with minor face correspondence resonance in Antenna Design, corresponding with long limit
Resonance uses the lowest frequency points of frequency in Antenna Design, with control antenna use frequency highest frequency point and low frequency point it
Between.Trapezoidal radiating doublet 11 is array arrangement with vertical and horizontal, and the spacing between adjacent two row is that Antenna Design uses frequency
1/2 wavelength of the lowest frequency points of rate, the spacing between adjacent rows uses the highest frequency point of frequency close to Antenna Design
1/2 wavelength.
Signal coupling plate 12 is electrically connected with one end of corresponding signal input line 3, and the other end of signal input line 3 connects
Signal source, multiple signal input lines 3 constitute signal distributions network.Signal coupling plate 12 is attached with the metal covering of specific width and length
The lower surface at top pcb board 1, the radiant body ad-hoc location of alignment upper surface, input a signal into the signal coupling of line 3 feed-in
The most trapezoidal radiating doublet of radiant body 11 to upper surface.The width of signal coupling plate 12 uses the lowest frequency of frequency with Antenna Design
1/4 wavelength of rate point is corresponding.
Signal coupling plate 12 produces regional coupled signal electric field by the medium of top pcb board 1, couples a signal to phase
On the trapezoidal radiating doublet 11 answered.The width resonance of signal coupling plate 12 uses the highest frequency of frequency and minimum in Antenna Design
In the center frequency points of the frequency broadband that frequency is constituted, the distance of signal coupling plate 12 and trapezoidal radiating doublet 11 is with top PCB
The thickness of plate 1 is gap.Signal coupling plate 12 can be the metal covering extended out from corresponding signal input line 3.In this enforcement
In example, signal coupling plate 12 main body is square, and trapezoidal radiating doublet 11 is the upper surface metal level of top pcb board 1, and intermediate layer is
Dielectric layer top pcb board 1, the coupling effect produced by the thickness that top pcb board 1 is sufficiently small, signal coupling plate 12 is with trapezoidal
Radiating doublet 11 can produce the coupling transmission of high efficiency signal.
The most trapezoidal radiating doublet of multiple trapezoidal radiant body 11 on top pcb board 1, is attached to the upper table of top pcb board 1
Face, the array being arranged according to certain spacing rule, it is achieved the superposition of radiation signal each other, produce the orientation spoke of high-gain
Ejected wave shape.In the present embodiment, the array of trapezoidal broadband oscillator single-frequency array antenna 8 trapezoidal radiating doublets 11 altogether, laterally
Two groups of arrangements, longitudinally four groups of arrangements.
The lower surface of bottom pcb board 2 arranges principal reflection plate 21, and principal reflection plate 21 is that antenna sets with the spacing of top pcb board 1
Meter uses the 1/4 of the corresponding wavelength of the lowest frequency points of frequency.Principal reflection plate 21 can be the metal on bottom pcb board 2 lower surface
Coverage rate, principal reflection plate 21 is alternatively original metal coverage rate of bottom pcb board 2 lower surface.Signal input line 3 is arranged in main anti-
Penetrate the top of plate 21, if a total of 8 sub-cellular arraies of antenna, the signal input distribution network distribution of the most each subelement
Upper surface with bottom pcb board 2.
Bottom pcb board 2 can use the connector of isolation material to be assembled with top pcb board 1, such as plastic material, connects
Part can be mounting shell, bracing frame etc., as long as will ensure that bottom pcb board 2 keeps consistent with the distance in the middle of top pcb board 1.
Principal reflection plate 21 can be the metal coverage rate on the lower surface of bottom pcb board 2, and signal distributions network is with bottom PCB
Plate 2 is isolated with principal reflection plate 21 as dielectric layer.In the present embodiment, principal reflection plate 21 is with the metal of bottom pcb board 2 lower surface
Coverage rate realizes, and isolates as dielectric layer using pcb board with signal distributions network, produces equivalence pressure with the high-k of dielectric layer
The air distance of contracting, it is achieved the impedance matching effect of very slight thickness.Trapezoidal radiating doublet 11 and the distance of principal reflection plate 21, it is right
The physical distance answered needs the gross thickness that top pcb board 1 adds bottom pcb board 2 to substitute into relative permittivity value, converts as pure
Air distance uses 1/4 wavelength correspondence of the lowest frequency points of frequency for Antenna Design.
Signal input line 3 is using the metal wire of specific width as the feed-in passage of signal, and in the present embodiment, signal inputs
Line 3 is specified impedance matching section, and signal input line 3 is connected with signal coupling plate 12, and signal coupling plate 12 is by top pcb board 1
This medium, corresponding with ad-hoc location with the trapezoidal radiating doublet 11 of top pcb board 1 upper surface, produced by top pcb board 1
Regional coupled signal electric field, couples a signal on trapezoidal radiating doublet 11.Trapezoidal radiating doublet 11 is with minor face correspondence resonance
At specific altofrequency point, with long limit correspondence resonance at specific low frequency point, antenna can be controlled flexibly and use specific
High and low Frequency point between, reach the purpose of broadband operation.Trapezoidal radiating doublet 11 arranges with vertical and horizontal, longitudinally and
Transversely arranged spacing uses the midpoint of the high and low Frequency point of frequency to arrange according to antenna, it is achieved the radiation of each radiant body
Waveform can aloft combine, and forms the high-gain waveform of specific direction.This waveform is reflected to certain direction by principal reflection plate 21,
Principal reflection plate 21 and top pcb board 1 keep specific spacing, and this spacing is that Antenna Design uses the right of the lowest frequency points of frequency
Answer the 1/4 of wavelength.
Pcb board 2 and the pcb board 1 the two dielectric layer at top bottom this utility model utilization, reach to compress antenna height
Purpose, corresponding with the position of trapezoidal radiating doublet 11 with the signal coupling plate 12 of length with specific width, it is achieved the coupling of signal
Transmission, trapezoidal radiating doublet 11 uses the design structure of long limit, minor face, it is achieved that the broadband signal radiation energy of characteristic frequency width
Power.Trapezoidal radiating doublet 11 carries out the permutation and combination of vertical and horizontal with specific spacing, it is achieved that the height of space specific direction
Gain waveform, is reflected towards specific direction with principal reflection plate 21 by the radiation signal in one of them direction of trapezoidal radiant body, makes
The gain of the space wave of specific direction improves further, finally achieves the purpose of wide band high-gain.
The trapezoidal oscillator of end face, the highest frequency point that the length respective antenna design of its one end uses, the length of the other end
The lowest frequency points that respective antenna design uses, so the frequency range that antenna is used is the most flexible, it is possible to achieve than conventional square
The broader band width of shape oscillator, trapezoidal oscillator is formed with the Copper Foil of PCB surface, and technique is simple, and concordance is the best.Trapezoidal shake
Horizontal two groups of arrangements of son, spacing is 1/2 wavelength that Antenna Design uses the center frequency points of band width, longitudinally four groups of rows
Row, spacing is 1/2 wavelength that Antenna Design uses the center frequency points of band width, before so can making the radiation waveform of oscillator
Fang Hecheng.The PCB another side that trapezoidal oscillator is corresponding is signal coupling plate, and the width resonance of signal coupling plate uses in Antenna Design
In the center frequency points of frequency, with the distance of the trapezoidal oscillator of end face with pcb board thickness as gap, its equivalent distances needs conversion
The relative dielectric constant of upper PCB substrate, it is ensured that signal coupling plate is sufficiently high with the coupling efficiency of trapezoidal oscillator, signal coupling plate is even
Connect signal transmssion line.Signal transmssion line width is 50 Europe.At following pcb board end face, it is equally distributed 50 Europe signal transmission
Distribution network, it can be ensured that the signal inputting each signal coupling plate is in the state that amplitude is equal, phase place is identical, below
Pcb board bottom surface Copper Foil, is complete reservation, as the principal reflection plate of whole antenna.Signal coupling plate distance on PCB above
The distance of following principal reflection plate uses 1/4 wavelength of the center frequency points of frequency close to Antenna Design, it is ensured that anti-by reflecting plate
With the signal of forward directed radiation, the signal penetrated can accomplish that same phase synthesizes, improve the signal gain value of forward directed radiation.
The signal of input is sent on coupled signal plate 12 by signal transmssion line 3 by this utility model, signal coupling plate
Signal is transmitted on trapezoidal radiating doublet 11 by the way of coupling is transmitted by 12, the trapezoidal outside radiated electromagnetic wave of radiating doublet 11
Signal, wherein the signal of downward radiation is reflected by principal reflection plate 21, and reflection electromagnetic wave is overlapping with electromagnetic wave upwards, produces orientation
Radiated electromagnetic wave, formed high-gain narrow beam.
This utility model uses the two sides metal level of two pieces of PCB to achieve reflection, the function coupling, radiating, and utilizes PCB's
Processing technique, it is ensured that every a batch of product has good concordance, simplifies production, ensure that the increasing of antenna simultaneously
Benefit, provides cost savings, and makes in the shell being integrated into complete machine that whole antenna can be complete.
In sum, optimal way of the present utility model is: described signal transmssion line width guarantees and the impedance of regulation
To correspondence, routine is 50 Europe and 75 Europe, and the width respective antenna at coupled signal plate designs the center frequency points of use frequency
1/4* λ, coupled signal plate is Jie that physical distance h (thickness of top PCB) is multiplied by PCB with the signal of telecommunication distance of trapezoidal radiant body
The relative dielectric constant ε r of matter layer opens secondary radical sign, the lowest frequency points that the long limit respective antenna design of trapezoidal radiant body uses
1/4* λ, the 1/4* λ of highest frequency point that the design of minor face respective antenna uses, it is provided that adjust the length of long limit and minor face, permissible
Realize the normal work of different frequency scope flexibly.Principal reflection plate is that (bottom PCB equivalence is thick for h1 with the distance of trapezoidal radiant body
Degree)+h2 (top PCB equivalent thickness)+h (the air thickness between two PCB).The equivalence of total distance approximates Antenna Design and uses
Center frequency points 0.20*1/4* λ, it is ensured that the phrase overlap of the signal of reflected signal and forward direction, thus reach high-gain mesh
Mark.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (10)
1. a trapezoidal broadband oscillator single-frequency array antenna, it includes that top pcb board (1), bottom pcb board (2), some signals are defeated
Enter line (3)；It is characterized in that:
The upper surface of top pcb board (1) is provided with the some trapezoidal radiating doublet corresponding with some signal input lines (3)
(11)；Trapezoidal radiating doublet (11) uses the highest frequency point of frequency with minor face correspondence resonance in Antenna Design, corresponding with long limit
Resonance uses the lowest frequency points of frequency in Antenna Design；
The lower surface of top pcb board (1) is provided with the some signal coupling plates (12) corresponding with some signal input lines (3),
Signal coupling plate (12) is electrically connected with one end of corresponding signal input line (3)；Signal coupling plate (12) passes through top pcb board
(1) medium produces regional coupled signal electric field, couples a signal on corresponding trapezoidal radiating doublet (11)；
The lower surface of bottom pcb board (2) arranges principal reflection plate (21).
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: trapezoidal radiating doublet (11) with
Vertical and horizontal are array arrangement, and the spacing between adjacent two row is that Antenna Design uses the 1/2 of the lowest frequency points of frequency
Wavelength, the spacing between adjacent rows uses 1/2 wavelength of the highest frequency point of frequency close to Antenna Design.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: the width of signal coupling plate (12)
Degree resonance uses in the center frequency points of the highest frequency of frequency and the frequency broadband of low-limit frequency composition in Antenna Design.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: signal coupling plate (12) and ladder
The distance of shape radiating doublet (11) with the thickness of top pcb board (1) as gap.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: principal reflection plate (21) and top
The spacing of pcb board (1) is that Antenna Design uses the 1/4 of the corresponding wavelength of the lowest frequency points of frequency.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: signal coupling plate (12) be from
The metal covering that corresponding signal input line (3) extends out.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: principal reflection plate (21) is bottom
Metal coverage rate on pcb board (2) lower surface；The other end connecting signal source of signal input line (3), multiple signal input lines
(3) constitute signal distributions network, described signal distributions network using bottom pcb board (2) as dielectric layer and principal reflection plate (21) every
From.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: trapezoidal radiating doublet (11) is
The upper surface metal level of top pcb board (1), top pcb board (1) is as trapezoidal radiating doublet (11) and signal coupling plate (12)
Interlayer layer.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: the shape of signal coupling plate (12)
Shape is square；The width of signal coupling plate (12) is 1/4 wavelength that Antenna Design uses the lowest frequency points of frequency.
Trapezoidal broadband oscillator single-frequency array antenna the most as claimed in claim 1, it is characterised in that: bottom pcb board (2) and top
Portion's pcb board (1) uses the connector of isolation material to be assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773435.4U CN205790367U (en) | 2016-07-21 | 2016-07-21 | A kind of trapezoidal broadband oscillator single-frequency array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620773435.4U CN205790367U (en) | 2016-07-21 | 2016-07-21 | A kind of trapezoidal broadband oscillator single-frequency array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205790367U true CN205790367U (en) | 2016-12-07 |
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ID=58120656
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620773435.4U Expired - Fee Related CN205790367U (en) | 2016-07-21 | 2016-07-21 | A kind of trapezoidal broadband oscillator single-frequency array antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN205790367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841964A (en) * | 2017-11-28 | 2019-06-04 | 三星电子株式会社 | Electronic device including antenna |
-
2016
- 2016-07-21 CN CN201620773435.4U patent/CN205790367U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841964A (en) * | 2017-11-28 | 2019-06-04 | 三星电子株式会社 | Electronic device including antenna |
| US11228105B2 (en) | 2017-11-28 | 2022-01-18 | Samsung Electronics Co., Ltd | Electronic device comprising antenna |
| CN109841964B (en) * | 2017-11-28 | 2022-05-10 | 三星电子株式会社 | Electronic device including antenna |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20190721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |