CN203967225U - Compact T shape HE face detail - Google Patents
Compact T shape HE face detail Download PDFInfo
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- CN203967225U CN203967225U CN201420409155.6U CN201420409155U CN203967225U CN 203967225 U CN203967225 U CN 203967225U CN 201420409155 U CN201420409155 U CN 201420409155U CN 203967225 U CN203967225 U CN 203967225U
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Abstract
The utility model discloses a kind of compact T shape HE face detail, comprise coupling cavity, port A, port B, port C, and at least one one-level, two-stage or multistage matching section.One end of this matching section is connected with coupling cavity, and the other end and port A or port B or port C are connected.The utility model has been realized compact broadband waveguide power splitter, particularly the direction of an electric field of the center of its port A and the direction of an electric field of two output centers can be turned round and turn 90 degrees, and the phase difference of the signal of two outputs can remain on 180 degree in broadband range simultaneously.Compact T shape HE face detail of the present utility model is simple and compact for structure, can machine as a body disposable with other microwave device easily, can become the Important Components of integrated waveguide system.The utlity model has up to 30% relatively make bandwidth, also have that processing and debugging cost is low, between high, the input and output polarised direction rotation of width phase precision and output, realize the features such as accurate 180 degree phase differences between output.
Description
Technical field
The utility model relates to a kind of power splitter, specifically, relates to the compact wideband power distributor that a kind of amplitude and phase equalization are good.
Background technology
Power splitter is a kind of universal component in modern microwave communication and Military Electronics system.T-branch, due to features such as its power capacity are high, insertion loss is low, is applied very extensive.T-branch both can be used separately, also can form multichannel power division network by serial connection, for fields such as phased array radar, antenna array and power are synthetic.T-branch can be various transmission line forms, but the most general with waveguide T shape detail.Existing waveguide T shape detail mainly comprises E face T-branch and H face T-branch.These waveguides T shape detail has the following disadvantages: 1) bandwidth deficiency.Waveguide E face T-branch on market with the relative bandwidth of operation of waveguide H face T-branch generally in 15% left and right.2) polarised direction restriction, port A and the port B of the waveguide E face T-branch on market and waveguide H face T-branch, the direction of an electric field of the center of port A and port C is all parallel to each other, and cannot allow output direction of an electric field on the basis of input direction of an electric field, realize rotation.3) phase limit cannot realize the phase difference of 180 degree in full bandwidth of operation relatively between the port B of the E face hybrid-T branch on market and H face hybrid-T branch and the phase place of port C.4) miniaturization restriction, prior art cannot be carried out good full bandwidth coupling to port A in very little space.
Utility model content
The purpose of this utility model be to provide amplitude and phase equalization good, input and output polarised direction can realize 90 ° of rotations, two output phase differences can be 180 degree, and bandwidth of operation can reach more than 30% compact broadband compact T shape HE face detail power divider relatively.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Compact T shape HE face detail, comprises coupling cavity, port A, port B, port C, it is characterized in that, also comprise at least one one-level or two-stage or multistage matching section, one end of this matching section is connected with coupling cavity, and the other end of this matching section and port A or port B or port C are connected.
In order to make the polarised direction of input waveguide realize 90 degree rotations on the basis of input waveguide polarised direction, the direction of an electric field of the center of described port A is vertical with horizontal plane, and the direction of an electric field of the center of port B and port C is in horizontal plane.
When improving port A as input, the coupling of this T shape E face detail in broadband range, the width of each matching section arranges as follows: port A is input; For the matching section being connected with port A, exist one to be arranged in horizontal plane butt coupling chamber a bit and a line segment AX of upper another point of port A, the direction constant or dull increase of the matching section that should be connected with port A and the port A depth capacity edge in a certain plane perpendicular to line segment AX from coupling cavity to port A; For the matching section (11) being connected with port B, exist one to be arranged in horizontal plane butt coupling chamber a bit and a line segment BY of upper another point of port B, the direction constant or dull change of the matching section that should be connected with port B and the port B Breadth Maximum edge in a certain plane perpendicular to line segment BY from coupling cavity to port B is large; For the matching section being connected with port C, exist one to be arranged in horizontal plane butt coupling chamber a bit and a line segment CZ of upper another point of port C, the direction constant or dull change of the matching section that should be connected with port C and the port C Breadth Maximum edge in a certain plane perpendicular to line segment CZ from coupling cavity to port C is large.
Described compact T shape HE face detail inside is filled by air.For the miniaturization of device, we also can make described compact T shape HE face detail inside by other Filled Dielectrics.The summation structure of coupling cavity and all matching sections is structure Q, and the full-size of structure Q in three dimensions is less than 2.5 times of wavelength corresponding in infinitely-great this filled media this compact T shape HE face detail central task frequency.
In order to realize the broadband character of device, port A is set to input, the reflection coefficient of port A that we make this compact T shape HE face detail in the relative bandwidth of operation that is greater than 30% lower than-15dB.
For the ease of utilizing Numerical-control Milling Machines processing, be convenient to the integrated of this device and other microwave device, all parts of this compact T shape HE face detail, the upper surface that comprises coupling cavity, port A, port B, port C and all matching sections is all a part for same plane.Like this, the microwave device that this compact T shape HE face detail is connected with other can be divided into base and cover plate machines.Wherein between base and cover plate, there is no very high contraposition requirement.
In order to realize good amplitude and phase equalization between two outputs, all parts of this compact T shape HE face detail, comprise that coupling cavity, port A, port B, port C and all matching sections form mirror image.The matching section being connected with port A is mirror image, and its symmetrical plane is symmetrical plane X.All parts of this compact T shape HE face detail, comprise that coupling cavity, port A, port B, port C and all matching sections form mirror image with respect to symmetrical plane X.Specifically, self becomes mirror image taking symmetrical plane X as the plane of symmetry for coupling cavity 1, port A2.Port B3 taking symmetrical plane X as the plane of symmetry and port C4 form mirror image.The matching section 11 of connectivity port B3 taking symmetrical plane X as the plane of symmetry and the matching section 11 of connectivity port C4 form mirror image.
Port A, port B, the port C of this compact T shape HE face detail can be respectively rectangular waveguide, circular waveguide, ridge waveguide, substrate integration wave-guide or with any one in line.
The normal direction of the port A of this compact T shape HE face detail is greater than 60 degree and is less than 120 degree with port B or/and the angle between the normal direction of port C, the most common with 90 degree.In order further to expand the relative bandwidth of operation of this T shape H face detail, on the madial wall relative with port A of described coupling cavity, be provided with metal column, there is the madial wall A relative with port A in coupling cavity, on madial wall A, is provided with metal column.Or the normal direction of port A is greater than 150 degree and is less than 210 degree with port B or/and the angle between the normal direction of port C, the most common with 180 degree.
The utility model provides a kind of compact conformation compact T shape HE face detail.Wherein, port A can realize matched well in broadband range, and between port A and port B, the polarised direction between port A and port C can half-twist.When port B and port C are bending during towards same direction, the phase difference between their signal is 180 °.Because this compact T shape HE face detail can be divided into base and cover plate, adopt respectively that Numerical-control Milling Machines is disposable to be machined, in the time that serial connection forms multichannel power division network mutually, all circuit can be divided into base and cover plate, adopt respectively that Numerical-control Milling Machines is disposable to be machined, can greatly simplify thus processing, ensure better machining accuracy simultaneously.Compared with existing H face or E face T-branch, this utility model is at relative bandwidth of operation, port A coupling, port A and port B, and the phase difference between port A and port C polarised direction half-twist, two outputs is that the aspect features such as 180 degree are obvious.
Operation principle of the present utility model can be summarized as follows: be divided into after two-way when microwave signal enters into coupling cavity by port A, due to the discontinuity in transmitting procedure, signal will be reflected at port A.By special cavity structure being set in coupling cavity and introducing extra reflection at port A or/and output arranges matching section, can make being reflected in wide-band of port A be cancelled, thereby realize the good coupling in broadband.The utility model allows multiple discontinuities directly closely connect, thereby realizes the matched well of the port A of the compact T shape HE face detail in wide-band.
Brief description of the drawings
Fig. 1 is schematic top plan view of the present utility model
Fig. 2 is that the AA of embodiment 1 is to schematic diagram
Fig. 3 is the vertical view of embodiment 2
Fig. 4 is that the A of embodiment 2 is to schematic diagram
The corresponding title of attached number in the figure: 1-coupling cavity, 2-port A, 3-port B, 4-port C, 11-matching section, 5-metal column.
In this specification, part noun provides as follows:
Horizontal plane, namely paper herein.Horizontal direction, is namely positioned at the direction of horizontal plane.Vertical direction, the namely direction vertical with horizontal plane.
Normal direction: refer to the direction away from compact T shape HE face detail perpendicular to port A or port B or port C end face.In figure, arrow P represents the normal direction of each port.
The full-size of Arbitrary 3 D structure in three dimensions: the maximum of the distance of any two points in this three-dimensional structure.
Mirror image symmetry: for Arbitrary 3 D enclosure space, there is a plane symmetry plane X, for the arbitrfary point A in this three-dimensional enclosure space, total corresponding points B existing in this three-dimensional enclosure space, make line segment AB vertical with this plane X, and line segment AB is divided into two parts equal in length by the intersection point of line segment AB and plane X.At this moment, this three-dimensional enclosure space is called mirror image symmetry, and plane X is called plane of mirror symmetry.
Relatively bandwidth of operation: if the flat rate scope of the work of a microwave device from f1 to f2, its relative bandwidth of operation is defined as: the absolute value of [2* (f2-f1)/(f2+f1)].
Matching section and the port Breadth Maximum in a certain plane perpendicular to line segment AX: matching section and port and the maximum perpendicular to the sectional view of a certain plane of line segment AX width in the horizontal direction.
Matching section and the port depth capacity in a certain plane perpendicular to line segment AX: matching section and port and the maximum perpendicular to the sectional view of a certain plane of the line segment AX degree of depth in vertical direction.
Embodiment
embodiment 1
As illustrated in fig. 1 and 2.Compact T shape HE face detail, comprises coupling cavity 1, and port A2, port B3, port C4, also comprise the matching section 11 of 31 grade.One end of this matching section 11 is connected with coupling cavity 1, and the other end of this matching section 11 and port A2 or port B3 or port C4 are connected.
The direction of an electric field of the center of described port A2 is vertical with horizontal plane, and the direction of an electric field of the center of port B3 and port C4 is in horizontal plane.
Port A2 is input; For the matching section 11 being connected with port A2, exist one be arranged in horizontal plane butt coupling chamber 1 certain a bit and a line segment AX of upper another point of port A2, the direction constant or dull increase of the matching section 11 that should be connected with port A2 and the port A2 depth capacity edge in a certain plane perpendicular to line segment AX from coupling cavity 1 to port A2; For the matching section 11 being connected with port B3, exist one be arranged in horizontal plane butt coupling chamber 1 certain a bit and a line segment BY of upper another point of port B3, the direction constant or dull change of the matching section 11 that should be connected with port B3 and the port B3 Breadth Maximum edge in a certain plane perpendicular to line segment BY from coupling cavity 1 to port B3 is large; For the matching section 11 being connected with port C4, exist one be arranged in horizontal plane butt coupling chamber 1 certain a bit and a line segment CZ of upper another point of port C4, the direction constant or dull change of the matching section 11 that should be connected with port C4 and the port C4 Breadth Maximum edge in a certain plane perpendicular to line segment CZ from coupling cavity 1 to port C4 is large.
Described compact T shape HE face detail inside is filled by air dielectric.The summation structure of coupling cavity 1 and all matching sections 11 is structure Q.The full-size of structure Q in three dimensions is less than 2.5 times of wavelength corresponding in infinitely-great this filled media this compact T shape HE face detail central task frequency.
When the port A of this compact T shape HE face detail is input, the reflection coefficient here in the relative bandwidth of operation that is greater than 30% lower than-15dB.
All parts of this compact T shape HE face detail, the upper surface that comprises coupling cavity 1, port A2, port B3, port C4 and all matching sections 11 is all a part for same plane.
The matching section 11 being connected with port A2 is mirror image, and its symmetrical plane is X.All parts of this compact T shape HE face detail, comprise that coupling cavity 1, port A2, port B3, port C4 and all matching sections 11 form mirror image with respect to symmetrical plane X.Specifically, self becomes mirror image taking symmetrical plane X as the plane of symmetry for coupling cavity 1, port A2.Port B3 taking symmetrical plane X as the plane of symmetry and port C4 form mirror image.The matching section 11 of connectivity port B3 taking symmetrical plane X as the plane of symmetry and the matching section 11 of connectivity port C4 form mirror image.
Described port A2, port B3, port C4 are rectangular waveguide.
Angle between normal direction and port B3 and the normal direction of port C4 of the port A2 of this compact T shape HE face detail equals 90 degree.If by all bending towards the direction contrary with the normal direction of port A2 to port B and port C, the phase difference between port B and the signal of port C is 180 °.There is the madial wall A relative with port A in coupling cavity, is provided with metal column 5 on madial wall A.
embodiment 2
As shown in Figures 3 and 4.Compared with embodiment 1, the difference of this embodiment is only, the normal direction of described port A2 is contrary with the normal direction of port B3 and port C4.So this compact T shape HE face detail forms compact y-shaped waveguide power splitter.Meanwhile, do not need port B3 and port C4 to do any bending, the phase difference of port B3 and port C4 signal has been 180 °.In addition, in this embodiment, metal column 5 is not set.
Above are only for example, provided preferably implementation more of the present utility model.In actual production, coupling cavity 1 can be the cavity of various shapes, and inside can also arrange various metal boss or groove.
That compact T shape HE face detail of the present utility model has is simple and compact for structure, the relative bandwidth up to 30%, processing and debugging cost are low, amplitude and phase accuracy high between output.They both can be used separately, more can be for forming multi-path power divider.Two outputs are in the time of same direction, and the phase difference between the signal of the two is 180 degree.Particularly its directrix plane structure, these devices can be divided into base and cover plate, adopt respectively that Numerical-control Milling Machines is disposable to be machined, and have ensured well the machining accuracy of device and have greatly cut down finished cost.This device can be widely used in military affairs and the civil areas such as radar, missile guidance, communication.
Claims (9)
1. compact T shape HE face detail, comprise coupling cavity (1), port A(2), port B(3), port C(4), it is characterized in that, also comprise at least one one-level or two-stage or multistage matching section (11), one end of this matching section (11) is connected with coupling cavity (1), the other end of this matching section (11) and port A(2) or port B(3) or port C(4) be connected;
Described port A(2) the direction of an electric field of center vertical with horizontal plane, and port B(3) and port C(4) the direction of an electric field of center in horizontal plane;
For with port A(2) matching section (11) that is connected, exist one be arranged in horizontal plane butt coupling chamber (1) certain a bit and port A(2) a line segment AX of upper another point, should and port A(2) matching section (11) and the port A(2 that are connected) depth capacity edge in a certain plane perpendicular to line segment AX is from coupling cavity (1) to port A(2) the constant or dull increase of direction; For with port B(3) matching section (11) that is connected, exist one be arranged in horizontal plane butt coupling chamber (1) certain a bit and port B(3) a line segment BY of upper another point, should and port B(3) matching section (11) and the port B(3 that are connected) Breadth Maximum edge in a certain plane perpendicular to line segment BY is from coupling cavity (1) to port B(3) the constant or dull change of direction large; For with port C(4) matching section (11) that is connected, exist one be arranged in horizontal plane butt coupling chamber (1) certain a bit and port C(4) a line segment CZ of upper another point, should and port C(4) matching section (11) and the port C(4 that are connected) Breadth Maximum edge in a certain plane perpendicular to line segment CZ is from coupling cavity (1) to port C(4) the constant or dull change of direction large.
2. compact T shape HE face detail according to claim 1, is characterized in that, described compact T shape HE face detail inside is by air dielectric or other Filled Dielectrics; The summation structure of coupling cavity (1) and all matching sections (11) is structure Q, and the full-size of structure Q in three dimensions is less than 2.5 times of wavelength corresponding in infinitely-great this filled media this compact T shape HE face detail central task frequency.
3. compact T shape HE face detail according to claim 1, is characterized in that port A(2) be input, the port A(2 of this compact T shape HE face detail) reflection coefficient in the relative bandwidth of operation that is greater than 30% lower than-15dB.
4. according to the compact T shape HE face detail described in claim 1, it is characterized in that coupling cavity (1), port A(2), port B(3), port C(4) and the upper surface of all matching sections (11) be all a part for same plane.
5. compact T shape HE face detail according to claim 1, is characterized in that, with port A(2) matching section (11) that is connected is mirror image, the symmetrical plane of this matching section (11) is symmetrical plane X; All parts of this compact T shape HE face detail, comprise coupling cavity (1), port A(2), port B(3), port C(4) and all matching sections (11) with respect to symmetrical plane X form mirror image.
6. according to the compact T shape HE face detail described in any one in claim 1-5, it is characterized in that described port A(2), port B(3), port C(4) can be respectively rectangular waveguide, circular waveguide, ridge waveguide, substrate integration wave-guide or with any one in line.
7. compact T shape HE face detail according to claim 6, is characterized in that port A(2) normal direction and port B(3) or/and port C(4) and normal direction between angle be greater than 60 degree and be less than 120 degree.
8. compact T shape HE face detail according to claim 6, is characterized in that, coupling cavity (1) exists and port A(2) relative madial wall A, on madial wall A, be provided with metal column (5).
9. compact T shape HE face detail according to claim 6, is characterized in that port A(2) normal direction and port B(3) or/and port C(4) and normal direction between angle be greater than 150 degree and be less than 210 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409155.6U CN203967225U (en) | 2014-07-24 | 2014-07-24 | Compact T shape HE face detail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409155.6U CN203967225U (en) | 2014-07-24 | 2014-07-24 | Compact T shape HE face detail |
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| CN203967225U true CN203967225U (en) | 2014-11-26 |
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| CN201420409155.6U Active CN203967225U (en) | 2014-07-24 | 2014-07-24 | Compact T shape HE face detail |
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