CN106505289A - A kind of wideband waveguide power splitter - Google Patents
A kind of wideband waveguide power splitter Download PDFInfo
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- CN106505289A CN106505289A CN201611183233.5A CN201611183233A CN106505289A CN 106505289 A CN106505289 A CN 106505289A CN 201611183233 A CN201611183233 A CN 201611183233A CN 106505289 A CN106505289 A CN 106505289A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
- H01P5/181—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides
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Abstract
The invention discloses a kind of wideband waveguide power splitter.The wideband waveguide power splitter includes that the radiating guide of lower floor, upper strata waveguide include that coupled waveguide and work(partial wave are led, and wherein radiating guide includes radiated wave guide wall and multiple mutually isolated radiated wave guide cavities；Coupled waveguide includes coupled wave guide wall and multiple mutually isolated coupled wave guide cavities, coupling spacing block and secondary power distribution block；Work(partial wave lead including work(partial wave guide wall and with road waveguide cavity, branch waveguide chamber, one-level power distribution block, one-level impedance matching block and two grades of impedance matching blocks；The part that levels wave guide wall is overlapped is referred to as levels common wall, and it is provided with multiple straight line coupling slots, and the orientation of each straight line coupling slot is identical with the orientation of each radiated wave guide cavity, identical with the rectilinear direction of each straight line coupling slot, and the lengthwise imaginary center line coincidence of each straight line coupling slot.The wideband waveguide power splitter of the application is compared with existing waveguide power divider, employ the parallel-connection structure in broadband horizontal linear coupling slot replace original arrowband cascaded structure inclination coupling slot, working band short of width 10% is expanded to more than 20%, i.e. bandwidth to be enhanced about more than once.
Description
Technical field
The present invention relates to microwave technical field, more particularly to a kind of wideband waveguide power splitter.
Background technology
Waveguide power divider is a kind of important microwave passive component, is widely used in feeder network of waveguide Slot array etc.
Field, its effect is that the electromagnetic power signal being input into all the way is divided into two-way or multiple-channel output to scale, or two-way
Or multi-channel electromagnetic power signal stacks up from exporting all the way, have the advantages that being lost, little, power capacity is big.
The method for designing of the feeder network of flat board Slot array, such as Gu Wei is described in a lot of documents or professional book
Army was the second phase in 2012《Modern radar》" design of Planar Slot Antenna subarray excited device and the bandwidth point that delivers in periodical
Various subarray excited mounted casts conventional both at home and abroad, power splitter of these models by multi-form are described in an analysis " text
Feeder network is constituted, referring to shown in Fig. 1 and Fig. 2：Fig. 1 is by the power splitter model of excitation seam excitation, specifically by spoke
Ejected wave is led, coupled waveguide, three layers of waveguiding structure for encouraging waveguide, coupling slot and excitation seam composition；Fig. 2 is swashed by waveguide T junction
The power splitter model that encourages, the two-layer waveguiding structure being specifically made up of radiating guide, coupled waveguide, excitation waveguide and coupling slot.
These existing power splitter models exist following not enough：First, as coupled waveguide is to radiating guide excitation energy
Realized by coupling slot, coupling slot that these incline, staggeredly is arrowband, and relative bandwidth is less than 10%, when this
When a little coupling slots are connected, frequency band range further will reduce, and this is seriously limited the use range of antenna；Second, due to
Half waveguide wavelength of coupled waveguide is relevant with the width of radiating guide, causes the size of width of coupled waveguide than larger, such as
More than 20mm is usually in X-band, the larger coupled waveguide of this width dimensions can increase the design of plate aerial feeder network, day
The difficulty of wire-braced structures design, in antenna large rotation angle, can also produce interference with scanning device, have impact on the scanning of antenna
Ability.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art at least one drawbacks described above.
Content of the invention
It is an object of the invention to provide a kind of wideband waveguide power splitter come overcome or at least mitigate prior art extremely
A few drawbacks described above.
For achieving the above object, the present invention provides a kind of wideband waveguide power splitter, the wideband waveguide power splitter bag
Upper and lower two-layer waveguide is included, lower floor's waveguide is referred to as radiating guide, and upper strata waveguide includes that coupled waveguide and work(partial wave are led；
The radiating guide includes the multiple mutually isolated radiation that radiated wave guide wall and the segmentation of radiated wave guide wall are surrounded
Waveguide cavity；
The coupled waveguide includes the multiple mutually isolated coupled waveguide that coupled wave guide wall and coupled wave guide wall are surrounded
Chamber, coupling spacing block and secondary power distribution block；
The work(partial wave leads surrounding and road waveguide cavity, branch waveguide including work(partial wave guide wall and the segmentation of work(partial wave guide wall
Chamber, one-level power distribution block, one-level impedance matching block and two grades of impedance matching blocks；
The radiated wave guide wall is partly overlapped with the coupled wave guide wall and work(partial wave guide wall, and the part of overlap is referred to as
Lower floor's common wall；
The coupled wave guide wall is partly overlapped with the work(partial wave guide wall, and the part of overlap is referred to as coupling work(point common wall；
Described connect with the branch waveguide chamber with road waveguide cavity, the branch waveguide chamber through coupling work(point common wall with
The coupled wave guide cavity connection；
Multiple mutually isolated straight line coupling slots are provided with the levels common wall, each straight line coupling slot connection one
The individual radiated wave guide cavity, also, the adjacent straight line coupling slot of each straight line coupling slot or each two connects a coupled wave
Guide cavity；
The orientation of each straight line coupling slot is identical with the orientation of each radiated wave guide cavity, with each straight line
The rectilinear direction of coupling slot is identical, and the lengthwise imaginary center line of each straight line coupling slot overlaps；
Each one-level power distribution block in the work(partial wave guide wall is used for the electricity through the one-level power distribution block
Magnetic power signal is divided into the two paths of signals of desired power ratio and phase relation；Secondary power in the coupled wave guide wall
Distribution block is used for for the electromagnetic power signal for distributing block through the secondary power being divided into desired power ratio and phase place is closed
The two paths of signals of system；
One-level power distribution block and secondary power distribution block coordinate, so that each straight line coupling slot mutually forms shape in parallel
Formula, the waveguide for carrying electromagnetic power signal are formed after each power adjustment block branch and straight line coupling slot quantity identical
Waveguide arm, each waveguide arm are entered from the straight line coupling slot.
Preferably, the quantity of the radiated wave guide cavity is four；
The quantity of the straight line coupling slot is four；
The quantity of the one-level power distribution block is one, is arranged in the branch waveguide chamber, for passing through its oneself
The electromagnetic power signal branch of body, so that form tie point and the second branch road；
The quantity of the secondary power distribution block is two, is separately positioned in the coupled wave guide cavity, and one of them two
Level power adjusts distribution block that the tie point through its own is continued branch, so as to form two-way final stage branch road；Another two
Level power distribution block will continue branch through the second tunnel of its own, so as to form two-way final stage branch road；
Electromagnetic power signal per road final stage branch road respectively enters the straight line coupling slot.
Preferably, the quantity of the radiated wave guide cavity is three；
The quantity of the straight line coupling slot is three；
The quantity of the one-level power distribution block is one, is arranged in the branch waveguide chamber, for passing through its oneself
The electromagnetic power signal branch of body, so that form tie point and the second branch road；
The quantity of the secondary power distribution block is one, is arranged in the coupled wave guide cavity, the secondary power distribution
Tie point through its own is continued branch by block, so as to form two-way final stage branch road；
The electromagnetic power signal of every road final stage branch road and the second branch road respectively enters a straight line seam.
Preferably, the quantity of the radiated wave guide cavity is six；
The quantity of the straight line coupling slot is six；
The quantity of the one-level power distribution block is two, is arranged in the branch waveguide chamber, for passing through its oneself
The electromagnetic power signal branch of body, so that form tie point, the second branch road and the 3rd branch road；
The quantity of the secondary power distribution block is three, is arranged in the coupled wave guide cavity, the secondary power distribution
Each branch road through its own is continued branch by block, so as to form final stage branch road；
Electromagnetic power signal per road final stage branch road respectively enters the straight line coupling slot.
Preferably, the wideband waveguide power splitter further includes one or more one-level impedance matching blocks and multiple two
Level impedance matching block；
The one-level impedance matching block is arranged on described and road waveguide intracavity；Two grades of impedance matching blocks are arranged on described
Branch waveguide intracavity；
The one-level impedance matching block is coordinated with the one-level power distribution block, passes through its own for electromagnetic power signal
Coupling described in Shi Shixian with road waveguide cavity；Shown two grades of impedance matching blocks are coordinated with secondary power distribution block, for electricity
Magnetic power signal realizes the coupling in the branch waveguide chamber when its own.
Preferably, described and road waveguide cavity is waveguide bend chamber, for facilitating the cascade of multiple waveguide power dividers.
The wideband waveguide power splitter of the application employs the parallel-connection structure in broadband compared with existing waveguide power divider
Horizontal linear coupling slot replaces the inclination coupling slot of the cascaded structure of original arrowband, and working band short of width 10% is expanded to
More than 20%, i.e. bandwidth are enhanced about more than once, and expand the use range of antenna；Simultaneously because using horizontal linear coupling slot
Form such that it is able to make the width of the coupled wave guide cavity of the application shorten to 3/4ths of original width, even more little, especially
It is that width of the coupled wave guide cavity apart from straight line coupling slot centrage side can be reduced to the half with original width, such as in X
Wave band will reduce 5mm to 10mm, the significantly reduction of coupled wave guide cavity width dimensions, be broadband flat board seam battle array feeder network design,
That Antenna support structure design is provided is convenient, it is to avoid interference when antenna wide-angle is scanned between coupled waveguide and scanning device,
Improve the scan capability of antenna.
Description of the drawings
Fig. 1 is the structural representation of the waveguide power divider of prior art.
Fig. 2 is the structural representation of the waveguide power divider of another prior art.
Fig. 3 is the structural representation of the wideband waveguide power splitter of the application first embodiment.
Fig. 4 is the top view of the wideband waveguide power splitter shown in Fig. 3.
Fig. 5 is the structural representation of the wideband waveguide power splitter of the application second embodiment.
Fig. 6 is the top view of the wideband waveguide power splitter shown in Fig. 5.
Fig. 7 is the structural representation of the wideband waveguide power splitter of the application 3rd embodiment.
Fig. 8 is the top view of the wideband waveguide power splitter shown in Fig. 7.
Fig. 9 is the structural representation of the wideband waveguide power splitter of the application fourth embodiment.
Figure 10 is the top view of the wideband waveguide power splitter shown in Fig. 9.
Figure 11 for first embodiment and road standing-wave ratio with frequency variation diagram.
Figure 12 is the variation diagram of each branch road amplitude with frequency of first embodiment.
Figure 13 is the variation diagram of each branch road phase place with frequency of first embodiment.
Figure 14 for second embodiment and road standing-wave ratio with frequency variation diagram.
Figure 15 is the variation diagram of each branch road amplitude with frequency of second embodiment.
Figure 16 is the variation diagram of each branch road phase place with frequency of second embodiment.
Figure 17 for 3rd embodiment and road standing-wave ratio with frequency variation diagram.
Figure 18 is the variation diagram of each branch road amplitude with frequency of 3rd embodiment.
Figure 19 is the variation diagram of each branch road phase place with frequency of 3rd embodiment.
Reference：
| 1 | Radiating guide | 22 | Coupled wave guide cavity |
| 2 | Coupled waveguide | 23 | Coupling spacing block |
| 3 | Work(partial wave is led | 31 | Work(partial wave guide wall |
| 4 | Straight line coupling slot | 32 | With road waveguide cavity |
| 7 | Levels common wall | 33 | Spoke branch waveguide chamber |
| 8 | Coupling work(point common wall | 51 | One-level power distribution block |
| 11 | Radiated wave guide wall | 52 | Secondary power distributes block |
| 12 | Radiated wave guide cavity | 61 | One-level impedance matching block |
| 21 | Coupled wave guide wall | 62 | Two grades of impedance matching blocks |
Specific embodiment
For make the present invention enforcement purpose, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention in
Accompanying drawing, to the embodiment of the present invention in technical scheme be further described in more detail.In the accompanying drawings, identical from start to finish or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than whole embodiments.Embodiment below with reference to Description of Drawings is exemplary, it is intended to use
Of the invention in explaining, and be not considered as limiting the invention.Embodiment in based on the present invention, ordinary skill people
The every other embodiment obtained under the premise of creative work is not made by member, belongs to the scope of protection of the invention.Under
Face combines accompanying drawing and embodiments of the invention is described in detail.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", "front", "rear",
" on ", D score "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of instruction such as " outward " or position relationship be base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
The device or element of indication must be with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of invention protection domain.
Fig. 3 is the structural representation of the wideband waveguide power splitter of the application first embodiment；Fig. 4 is the width shown in Fig. 3
The top view of band waveguide power splitter.Fig. 5 is the structural representation of the wideband waveguide power splitter of the application second embodiment；Figure
6 is the top view of the wideband waveguide power splitter shown in Fig. 5.Fig. 7 is the wideband waveguide power splitter of the application 3rd embodiment
Structural representation.Fig. 8 is the top view of the wideband waveguide power splitter shown in Fig. 7.Fig. 9 is the width of the application first embodiment
Another structural representation of band waveguide power splitter.Figure 10 is the top view of the wideband waveguide power splitter shown in Fig. 9.
Wideband waveguide power splitter as shown in Figures 3 to 10 includes upper and lower two-layer waveguide, and lower floor's waveguide is referred to as radiating guide
1, upper strata waveguide includes that coupled waveguide 2 and work(partial wave lead 3；
Radiating guide 1 includes the multiple mutually isolated radiation that radiated wave guide wall 11 and the segmentation of radiated wave guide wall 11 are surrounded
Waveguide cavity 12；
Coupled waveguide 2 includes the multiple mutually isolated coupled waveguide that coupled wave guide wall 21 and coupled wave guide wall 21 are surrounded
Chamber 22, coupling spacing block 23 and secondary power distribution block 52；
Work(partial wave leads 3 includes work(partial wave guide wall 31 and the segmentation of work(partial wave guide wall 31 are surrounded and road waveguide cavity 32, branch road
Waveguide cavity 33, one-level power distribution block 51, one-level impedance matching block 61 and two grades of impedance matching blocks 62；
Radiated wave guide wall 11 is partly overlapped with coupled wave guide wall 21 and work(partial wave guide wall 31, and the part of overlap is referred to as up and down
Layer common wall 7；
Coupled wave guide wall 21 is partly overlapped with work(partial wave guide wall 31, and the part of overlap is referred to as coupling work(point common wall 8；
Connect with branch waveguide chamber 33 with road waveguide cavity 32, branch waveguide chamber 33 through coupling work(point common wall 8 with described
Coupled wave guide cavity 22 is connected；
Multiple mutually isolated straight line coupling slots 4 are provided with levels common wall 7, each connection of straight line coupling slot 4 one
Individual radiated wave guide cavity 12, also, the adjacent straight line coupling slot 4 of each straight line coupling slot 4 or each two connects a coupled wave
Guide cavity 22；
The orientation of each straight line coupling slot 4 is identical with the orientation of each radiated wave guide cavity 12, with each straight line
The rectilinear direction of coupling slot 4 is identical, and each 4 lengthwise imaginary center line of straight line coupling slot overlaps；
Each one-level power distribution block 51 in work(partial wave guide wall 31 is used for the electromagnetism through one-level power distribution block 51
Power signal is divided into the two paths of signals of desired power ratio and phase relation；Secondary power distribution in coupled wave guide wall 21
Block 52 is used for for the electromagnetic power signal for distributing block 52 through secondary power being divided into desired power ratio and phase relation
Two paths of signals；
One-level power distribution block 51 and secondary power distribution block 52 coordinate, so that each straight line coupling slot 4 is mutually formed
Parallel form, the waveguide for carrying electromagnetic power signal are formed after each power adjustment block branch and straight line coupling slot quantity
Identical waveguide arm, each waveguide arm are entered from the straight line coupling slot.
The wideband waveguide power splitter of the application employs the parallel-connection structure in broadband compared with existing waveguide power divider
Horizontal linear coupling slot replaces the inclination coupling slot of the cascaded structure of original arrowband, and working band short of width 10% is expanded to
More than 20%, i.e. bandwidth are enhanced about more than once, and expand the use range of antenna；Simultaneously because using horizontal linear coupling slot
Form such that it is able to make the width of the coupled wave guide cavity of the application shorten to 3/4ths of original width, even more little, especially
It is that width of the coupled wave guide cavity apart from straight line coupling slot centrage side can be reduced to the half with original width, such as in X
Wave band will reduce 5mm to 10mm, the significantly reduction of coupled wave guide cavity width dimensions, be broadband flat board seam battle array feeder network design,
That Antenna support structure design is provided is convenient, it is to avoid interference when antenna wide-angle is scanned between coupled waveguide and scanning device,
Improve the scan capability of antenna.
Referring to Fig. 3 and Fig. 4, in the present embodiment, the quantity in radiated wave chamber 12 is four；
The quantity of straight line coupling slot 4 is four；
The quantity of one-level power distribution block 51 is one, is arranged in branch waveguide chamber 33, for will pass through its own
Electromagnetic power signal branch, so that form tie point and the second branch road；
The quantity of secondary power distribution block 52 is two, is arranged in coupled wave guide cavity 22, the secondary power distribution block 52
In secondary power adjust distribution block 521 pass through the tie point of its own to continue branch, so as to form two-way final stage
Road；Tie point through its own is continued branch by another secondary power distribution block 522, so as to form two-way final stage
Road；Electromagnetic power signal per road final stage branch road respectively enters a straight line coupling slot.
It is understood that the quantity in radiated wave chamber 12 can sets itself as desired.
Referring to Fig. 3 to Fig. 6, in first, second embodiment, the quantity in radiated wave chamber 12 is four；Straight line coupling slot 4
Quantity is four；The quantity of one-level power distribution block 51 is one, is arranged in branch waveguide chamber 33, for will be through its own
Electromagnetic power signal branch, so as to form tie point and the second branch road；
The quantity of secondary power distribution block 52 is two, is separately positioned in coupled wave guide cavity 22, one of them two grades of work(
Rate adjusts distribution block that the tie point through its own is continued branch, so as to form two-way final stage branch road；Another two grades of work(
Rate is distributed block and the second branch road through its own is continued branch, so as to form two-way final stage branch road；Electricity per road final stage branch road
Magnetic power signal respectively enters the straight line coupling slot.
It is understood that as needed, radiated wave guide cavity 12 can also be other quantity.Such as Fig. 5 and Fig. 6 institutes
Show, the quantity in chamber 12 is three in the third embodiment；The quantity of straight line coupling slot 4 is three；One-level power distribution block 51
Quantity is one；It is arranged in the branch waveguide chamber 33, for the electromagnetic power signal branch of its own will be passed through, so as to shape
Into tie point and the second branch road；The quantity of the secondary power distribution block 52 is one, is arranged on the coupled wave guide cavity
In 22, the tie point through its own is continued branch by the secondary power distribution block 52, so as to form two-way final stage branch road；Per
The electromagnetic power signal of road final stage branch road and the second branch road respectively enters the straight line coupling slot 4.
Referring to Fig. 9 and Figure 10, the quantity of radiated wave guide cavity 12 is six；The quantity of straight line coupling slot 4 is six；One-level work(
The quantity of rate distribution block 51 is two, is arranged in branch waveguide chamber 33, for by through the electromagnetic power signal of its own point
Road, so that form tie point, the second branch road and the 3rd branch road；The quantity of secondary power distribution block 52 is three, is arranged on
In coupled wave guide cavity 22, each branch road through its own is continued branch by the secondary power distribution block 52, so as to form final stage
Road；Electromagnetic power signal per road final stage branch road respectively enters the straight line coupling slot.
It is understood that as needed, the quantity of radiated wave guide cavity can also be other quantity.Such as 5,7 or
Person is more.
Referring to Fig. 3 to Figure 10, wideband waveguide power splitter further includes one or more 61 Hes of one-level impedance matching block
Multiple two grades of impedance matching blocks 62；The one-level impedance matching block 61 is arranged in Suo He roads waveguide cavity 32；Two grades of impedance matchings
Block 62 is arranged in branch waveguide chamber 33；One-level impedance matching block 61 is coordinated with one-level power distribution block 51, for electromagnetic power
Signal realizes the coupling with road waveguide cavity 32 when passing through its own；Shown two grades of impedance matching blocks 62 distribute block 52 with secondary power
Coordinate, for electromagnetic power signal through its own when realize the coupling in branch waveguide chamber 33.
It is understood that can be waveguide bend chamber with road waveguide chamber 32, for facilitating multiple waveguide power dividers
Cascade.In Fig. 5 and embodiment illustrated in fig. 6, this is bent to 90 °, can so facilitate the cascade of multiple waveguide power dividers.
By way of example the application is introduced below, it is to be understood that this is illustrated
Any restriction, any size in the citing be only embodiment in preferred size, be not the structure to the application
Any restriction.
Embodiment 1
Referring to Fig. 3 and Fig. 4, in this embodiment, the waveguide cross-section size of the radiated wave guide cavity 12 in radiating guide 1 is
21.3mm × 4.65mm, the waveguide cross-section size of the coupled wave guide cavity 22 in coupled waveguide 2 is 14.6mm × 4mm, work(partial wave
The cross sectional dimensions in 3 inner waveguide chamber of guide cavity are 19.4mm × 4mm, and the branch waveguide chamber 33 that work(partial wave is led in 3 is divided through coupling work(
The cross sectional dimensions of common wall 8 are 16.8mm × 4mm, and the length of straight line coupling slot 4 is 18.7mm, wide are 3mm, and rounding
The shorter side of distance between center line coupled waveguide 2 on angle, and 4 length direction of straight line coupling slot is 5.2mm；One-level power distribution
Block 51 is volume for the metallic object of 8.8mm × 2mm × 4mm, secondary power distribution block 52 for two volumes in left and right be 5mm ×
The metallic object of 2mm × 4mm, the first impedance matching block 61 are triangular prism metallic object, bottom surface right angled triangle side for two for left and right
Length is 12mm, is highly 4mm, and the second impedance matching block 62 is the metallic object of 1mm × 1mm × 4mm for the volume of left and right two；
The thickness of levels common wall 7 is 0.7mm；Coupling work(point 8 thickness of common wall is 0.8mm.The result of emulation is from Figure 11, Tu12He
Figure 13 can be seen that：The standing-wave ratio of power splitter and port from 9.25GHz to 11.25GHz in the range of be less than 1.2, i.e. standing-wave ratio
Relative bandwidth less than 1.2 adjusts each off-centered position of power distribution block more than 20%, each branch road work(needed for obtaining
Divide ratio, and each branch power amplitude imbalance degree is less than ± 0.15dB, the phase unbalance degree of each branch road is less than ± 2.5 degree.
Embodiment 2
Referring to Fig. 3 and Fig. 6, in this embodiment, by the wave guide direction bending of Fig. 3 and Tu4Zhong He roads waveguide cavity 32
90 °, it is changed into the structure of Fig. 5 and Tu, and the second impedance matching block 62 in Fig. 3 and Fig. 4 is replaced by shown in Fig. 5 and Fig. 6
Two impedance matching blocks 62, and right-angle prismatic post metallic object is shaped as, the base length of side is 12mm, a height of 4mm.The result of emulation is from figure
14th, Figure 15 and Figure 16 can be seen that：The standing-wave ratio of power splitter and port from 9.6GHz to 11.5GHz in the range of be less than 1.2, i.e.,
Standing-wave ratio relative bandwidth less than 1.2 is about 20%, adjusts each off-centered position of power distribution block, each needed for obtaining
Branch road work(point ratio, and each branch power amplitude imbalance degree is less than ± 0.2dB, the phase unbalance degree of each branch road is less than ± 6 degree.
Embodiment 3
As shown in Figure 7, Figure 8, in this embodiment, the waveguide cross-section size of the radiated wave guide cavity 12 in radiating guide 1
For 21.3mm × 4.65mm, the waveguide cross-section size of the coupled wave guide cavity 22 in coupled waveguide 2 is 14.6mm × 4mm, work(point
It is 19.4mm × 4mm that the height of 3 inner waveguide of waveguide cavity is cross sectional dimensions, and the branch waveguide chamber 33 that work(partial wave is led in 3 passes through coupling
The cross sectional dimensions for closing work(point common wall 8 are 16.8mm × 4mm, and the length of straight line coupling slot 4a, 4b, 4c and 4d is 18.7mm,
The shorter side of distance between center line coupled waveguide 2 that width is on 3mm, and rounding, and 4 length direction of straight line coupling slot is
5.2mm；Metallic object of the one-level power distribution block 51 for 9mm × 1mm × 4mm, secondary power distribution block 52 is 5mm × 2mm × 4mm
Metallic object；First impedance matching block 61 is left and right two, is the metallic object of 1mm × 1mm × 4mm, the second impedance matching block
62 are the two right-angle prismatic post metallic objects in left and right, and one, the left side is 9mm for the bottom surface right angled triangle length of side, is highly 4mm, right
One, side is 10mm for the bottom surface right angled triangle length of side, is highly 4mm；The thickness of levels common wall 5 is 0.7mm；Coupling
Work(point 9 thickness of common wall is 0.8mm.The result of emulation is can be seen that from Figure 17, Figure 18 and Figure 19：9.3GHz's to 12GHz
In the range of, the standing-wave ratio of power splitter and port is about 27% less than the relative bandwidth that 1.2, i.e. standing-wave ratio are less than 1.2, adjusts each
The off-centered position of power distribution block, each branch road work(point ratio needed for obtaining, and each branch power amplitude imbalance degree are less than
± 0.2dB, the phase unbalance degree of each branch road are less than ± 10 degree.
Last it is to be noted that：Above example only in order to technical scheme to be described, rather than a limitation.To the greatest extent
Pipe has been described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：Which is still
Technical scheme described in foregoing embodiments can be modified, or equivalent is carried out to which part technical characteristic and replace
Change；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the essence of various embodiments of the present invention technical scheme
God and scope.
Claims (6)
1. a kind of wideband waveguide power splitter, it is characterised in that the wideband waveguide power splitter includes upper and lower two-layer waveguide, under
Layer waveguide is referred to as radiating guide (1), and upper strata waveguide includes that coupled waveguide (2) and work(partial wave lead (3)；
It is multiple mutually isolated that described radiating guide (1) includes that radiated wave guide wall (11) and radiated wave guide wall (11) segmentation are surrounded
Radiated wave guide cavity (12)；
Described coupled waveguide (2) include the multiple mutually isolated coupling that coupled wave guide wall (21) and coupled wave guide wall (21) are surrounded
Close waveguide cavity (22), coupling spacing block (23) and secondary power distribution block (52)；
The work(partial wave leads (3) includes work(partial wave guide wall (31) and work(partial wave guide wall (31) segmentation are surrounded and road waveguide cavity
(32), branch waveguide chamber (33), one-level power distribution block (51), one-level impedance matching block (61) and two grades of impedance matching blocks
(62)；
Radiated wave guide wall (11) are partly overlapped with coupled wave guide wall (21) and work(partial wave guide wall (31), the portion of overlap
Divide and be referred to as levels common wall (7)；
Coupled wave guide wall (21) are partly overlapped with work(partial wave guide wall (31), and the part referred to as coupling work(point of overlap is public
Wall (8)；
Described connect with branch waveguide chamber (33) with road waveguide cavity (32), described branch waveguide chamber (33) are through coupling work(point
Common wall (8) is connected with coupled wave guide cavity (22)；
Multiple mutually isolated straight line coupling slots (4), each straight line coupling slot (4) is provided with levels common wall (7)
One radiated wave guide cavity (12) of connection, also, the adjacent straight line coupling slot of each straight line coupling slot (4) or each two
(4) a coupled wave guide cavity (22) is connected；
The orientation of each straight line coupling slot (4) is identical with the orientation of each radiated wave guide cavity (12), with each
The rectilinear direction of straight line coupling slot (4) is identical, and the lengthwise imaginary center line of each straight line coupling slot (4) overlaps；
Each one-level power distribution block (51) in work(partial wave guide wall (31) is used for will be through the one-level power distribution block
(51) electromagnetic power signal is divided into the two paths of signals of desired power ratio and phase relation；Coupled wave guide wall (21)
Interior secondary power distribution block (52) is wished for the electromagnetic power signal for distributing block (52) through the secondary power to be divided into
The two paths of signals of the power ratio and phase relation of prestige；
One-level power distribution block (51) and secondary power distribution block (52) coordinate, so that each straight line coupling slot (4) mutually shape
Into parallel form, the waveguide for carrying electromagnetic power signal is formed after each power adjustment block branch and straight line coupling slot number
Amount identical waveguide arm, each waveguide arm are entered from the straight line coupling slot.
2. wideband waveguide power splitter as claimed in claim 1, it is characterised in that the quantity of radiated wave chamber (12) is four
Individual；
The quantity of straight line coupling slot (4) is four；
The quantity of one-level power distribution block (51) is one, is arranged in branch waveguide chamber (33), for passing through
The electromagnetic power signal branch of its own, so that form tie point and the second branch road；
The quantity of secondary power distribution block (52) is two, is separately positioned in the coupled wave guide cavity (22) described in two,
One of secondary power adjusts distribution block that the tie point through its own is continued branch, so as to form two-way final stage branch road；
The second branch road through its own is continued branch by another secondary power distribution block, so as to form two-way final stage branch road；
Electromagnetic power signal per road final stage branch road respectively enters the straight line coupling slot.
3. wideband waveguide power splitter as claimed in claim 1, it is characterised in that the quantity of radiated wave guide cavity (12) is
Three；
The quantity of straight line coupling slot (4) is three；
The quantity of one-level power distribution block (51) is one, is arranged in branch waveguide chamber (33), for passing through
The electromagnetic power signal branch of its own, so that form tie point and the second branch road；
The quantity of secondary power distribution block (52) is one, is arranged in coupled wave guide cavity (22), the secondary power
Tie point through its own is continued branch by distribution block (52), so as to form two-way final stage branch road；
The electromagnetic power signal of every road final stage branch road and the second branch road respectively enters the straight line coupling slot.
4. wideband waveguide power splitter as claimed in claim 1, it is characterised in that the quantity of radiated wave guide cavity (12) is
Six；
The quantity of straight line coupling slot (4) is six；
The quantity of one-level power distribution block (51) is two, is arranged in branch waveguide chamber (33), for passing through
The electromagnetic power signal branch of its own, so that form tie point, the second branch road and the 3rd branch road；
The quantity of secondary power distribution block (52) is three, is arranged in coupled wave guide cavity (22), the secondary power
Each branch road through its own is continued branch by distribution block (52), so as to form final stage branch road；
Electromagnetic power signal per road final stage branch road respectively enters the straight line coupling slot.
5. the wideband waveguide power splitter as described in any one in claim 2 to 4, it is characterised in that the broadband ripple
Lead power splitter and further include one or more one-level impedance matching block (61) and multiple two grades of impedance matching blocks (62)
One-level impedance matching block (61) are arranged in described and road waveguide cavity (32)；Two grades of impedance matching blocks (62) set
Put in branch waveguide chamber (33)；
One-level impedance matching block (61) are coordinated with described one-level power distribution block (51), pass through which for electromagnetic power signal
Itself when realize the coupling of described and road waveguide cavity (32)；Shown two grades of impedance matching blocks (62) distribute block with the secondary power
(52) coordinate, for electromagnetic power signal through its own when realize the coupling of branch waveguide chamber (33).
6. wideband waveguide power splitter as claimed in claim 1, it is characterised in that described and road waveguide cavity (32) is waveguide bend
Chamber, for facilitating the cascade of multiple waveguide power dividers.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003029A (en) * | 2020-07-31 | 2020-11-27 | 铜川煜力机械制造有限公司 | Flat plate slot array antenna, radar, wireless communication system and millimeter wave antenna |
| CN112072256A (en) * | 2020-09-23 | 2020-12-11 | 河北东森电子科技有限公司 | Power synthesis network based on waveguide coupling gap |
| CN112186340A (en) * | 2020-09-29 | 2021-01-05 | 京东方科技集团股份有限公司 | Antenna and manufacturing method thereof |
| CN114744390A (en) * | 2022-04-26 | 2022-07-12 | 北京华镁钛科技有限公司 | Differential waveguide power divider |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702460A (en) * | 2009-10-21 | 2010-05-05 | 东南大学 | Substrate integrated waveguide inclined slot directional coupler |
| CN204720551U (en) * | 2015-05-19 | 2015-10-21 | 安徽四创电子股份有限公司 | Ridge waveguide is biased slot coupling micro-strip oscillator dual polarized antenna |
| CN105680138A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Miniature wideband waveguide power divider |
| US20160301143A1 (en) * | 2013-12-13 | 2016-10-13 | Huawei Technologies Co., Ltd. | Array Antenna |
-
2016
- 2016-12-20 CN CN201611183233.5A patent/CN106505289B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702460A (en) * | 2009-10-21 | 2010-05-05 | 东南大学 | Substrate integrated waveguide inclined slot directional coupler |
| US20160301143A1 (en) * | 2013-12-13 | 2016-10-13 | Huawei Technologies Co., Ltd. | Array Antenna |
| CN105680138A (en) * | 2014-11-20 | 2016-06-15 | 中国航空工业集团公司雷华电子技术研究所 | Miniature wideband waveguide power divider |
| CN204720551U (en) * | 2015-05-19 | 2015-10-21 | 安徽四创电子股份有限公司 | Ridge waveguide is biased slot coupling micro-strip oscillator dual polarized antenna |
Non-Patent Citations (2)
| Title |
|---|
| YUFENG FANG ET AL: "A Rectangle Waveguide Four-Way Divider for Wideband and Miniaturization Application", 《2013 5TH IEEE INTERNATIONAL SYMPOSIUM ON MICROWAVE, ANTENNA, PROPAGATION AND EMC TECHNOLOGIES FOR WIRELESS COMMUNICATIONS》 * |
| 孙庆锋: "平板裂缝天线子阵设计的功率平衡原则", 《现代雷达》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112003029A (en) * | 2020-07-31 | 2020-11-27 | 铜川煜力机械制造有限公司 | Flat plate slot array antenna, radar, wireless communication system and millimeter wave antenna |
| CN112003029B (en) * | 2020-07-31 | 2023-03-10 | 铜川煜力机械制造有限公司 | Flat plate slot array antenna, radar, wireless communication system and millimeter wave antenna |
| CN112072256A (en) * | 2020-09-23 | 2020-12-11 | 河北东森电子科技有限公司 | Power synthesis network based on waveguide coupling gap |
| CN112186340A (en) * | 2020-09-29 | 2021-01-05 | 京东方科技集团股份有限公司 | Antenna and manufacturing method thereof |
| CN112186340B (en) * | 2020-09-29 | 2023-11-07 | 京东方科技集团股份有限公司 | Antenna and manufacturing method thereof |
| CN114744390A (en) * | 2022-04-26 | 2022-07-12 | 北京华镁钛科技有限公司 | Differential waveguide power divider |
| CN114744390B (en) * | 2022-04-26 | 2024-01-26 | 北京华镁钛科技有限公司 | Differential waveguide power divider |
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| CN106505289B (en) | 2019-06-14 |
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