CN204011635U - Compact T shape H face detail - Google Patents
Compact T shape H face detail Download PDFInfo
- Publication number
- CN204011635U CN204011635U CN201420409070.8U CN201420409070U CN204011635U CN 204011635 U CN204011635 U CN 204011635U CN 201420409070 U CN201420409070 U CN 201420409070U CN 204011635 U CN204011635 U CN 204011635U
- Authority
- CN
- China
- Prior art keywords
- port
- compact
- shape
- face detail
- matching section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
The utility model has been announced a kind of compact T shape H 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.Compact T shape H 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, a width phase precision high between output, can be widely used in military affairs and the civil areas such as radar, missile guidance, communication.
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.Waveguide power divider, due to features such as its power capacity are high, insertion loss is low, is applied very extensive.Compact T shape H face detail 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.Compact T shape H face detail can be various transmission line forms, but the most general with waveguide compact T shape H face detail (being generally called hybrid-T branch).These waveguide compacts T shape H face detail has the following disadvantages: 1) bandwidth is not enough.The relative bandwidth of operation of the waveguide compact T shape H face detail on market is generally in 15% left and right.2) 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, relatively bandwidth of operation can reach more than 30% compact broadband compact T shape H face detail power divider.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Compact T shape H 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.
When improving port A as input, the coupling of this compact T shape H face detail in broadband range, the width of each matching section arranges as follows: 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, constant or dull the diminishing of the direction of the matching section that should be connected with port A and the port A Breadth Maximum edge in a certain plane perpendicular to line segment AX from coupling cavity to port A; For the matching section 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 H face detail inside is filled by air.For the miniaturization of device, we also can make described compact T shape H 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 H 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 H face detail in being greater than 30% relative bandwidth of operation 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 H 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 H 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 H 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 H 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, coupling cavity 1, port A2 be take symmetrical plane X as the plane of symmetry self one-tenth mirror image.Port B3 be take symmetrical plane X as the plane of symmetry and port C4 formation mirror image.The matching section 11 of connectivity port B3 be take the matching section 11 that symmetrical plane X is the plane of symmetry and connectivity port C4 and is formed mirror image.
The direction of an electric field of port A, port B and the center of port C is all vertical with horizontal plane.
Port A, port B, the port C of this compact T shape H face detail can be respectively rectangular waveguide, circular waveguide, ridge waveguide, substrate integration wave-guide or with any one in line.
For the ease of revising mismachining tolerance, coupling cavity is or/and the upper surface of matching section can arrange the micrometer adjusting screw that can regulate from the outside its insertion depth.
The normal direction of the port A of this compact T shape H face detail and port B or/and the angle between the normal direction of port C be greater than 60 degree and be less than 120 degree, the most common with 90 degree.Or the normal direction of port A and port B or/and the angle between the normal direction of port C be greater than 150 degree and be less than 210 degree, the most common with 180 degree.In order further to expand the relative bandwidth of operation of this compact 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.
The utility model provides a kind of compact conformation compact T shape H face detail.Wherein, port A can realize matched well in broadband range.Because this compact T shape H face detail can be divided into base and cover plate, adopt respectively that Numerical-control Milling Machines is disposable to be machined, when 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 processing thus, guarantee better machining accuracy simultaneously.Compare with existing H face T-branch, this utility model has significant advantage at aspects such as relative bandwidth of operation gold and port A couplings.Meanwhile, the compact T shape H face detail of rectangular waveguide can be in integrated waveguide network.
Operation principle of the present utility model can be summarized as follows: when microwave signal enters into coupling cavity by port A, be divided into after two-way, 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 a plurality of discontinuities directly closely connect, thereby realizes the matched well of the port A of the compact T shape H face detail in wide-band.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of embodiment 1
Fig. 2 is the schematic top plan view of embodiment 2
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 H 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 is symmetrical: 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 the intersection point of line segment AB and plane X is divided into two parts equal in length by line segment AB.At this moment, this three-dimensional enclosure space is called mirror image symmetry, and plane X is called plane of mirror symmetry.
Relative 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 perpendicular to the maximum of 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 perpendicular to the maximum of the sectional view of a certain plane of the line segment AX degree of depth in vertical direction.
Embodiment
embodiment 1
As shown in Figure 1, compact T shape H 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.
Port A2 is input.The matching section 11 being connected with port A2 and the port A2 Breadth Maximum in a certain plane perpendicular to line segment AX is constant or dull diminishing along the direction from coupling cavity 1 to port A2.The matching section 11 being connected with port B3 and the port B3 Breadth Maximum in a certain plane perpendicular to line segment BY is large along the constant or dull change of direction from coupling cavity 1 to port B3.The matching section 11 being connected with port C4 and the port C4 Breadth Maximum in a certain plane perpendicular to line segment CZ is large along the constant or dull change of direction from coupling cavity 1 to port C4.
The reflection coefficient of the port A2 of this compact T shape H face detail in being greater than 30% relative bandwidth of operation lower than-15dB.
Described compact T shape H 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 H face detail central task frequency.
All parts of this compact T shape H 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 H 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, coupling cavity 1, port A2 be take symmetrical plane X as the plane of symmetry self one-tenth mirror image.Port B3 be take symmetrical plane X as the plane of symmetry and port C4 formation mirror image.The matching section 11 of connectivity port B3 be take the matching section 11 that symmetrical plane X is the plane of symmetry and connectivity port C4 and is formed mirror image.
Described port A2, the direction of an electric field of port B3 and the center of port C4 is all vertical with horizontal plane.
Described port A2, port B3, port C4 are rectangular waveguide.
The normal direction of the port A2 of this compact T shape H face detail and the angle between port B3 and the normal direction of port C4 equal 90 degree.On the madial wall relative with port A of coupling cavity, be provided with metal column 5, there is the madial wall A relative with port A in coupling cavity, on madial wall A, is provided with metal column.So this compact T shape H face detail forms compact H face hybrid-T power splitter.
embodiment 2
As shown in Figure 2, compare with embodiment 1, the difference of this embodiment is only, 1, the normal direction of described port A2 is contrary with the normal direction of port B3 and port C4.2, on the madial wall relative with port A of coupling cavity, be not provided with metal column 5.So this compact T shape H face detail forms compact E face y-shaped waveguide power splitter.
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 H 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 the feature such as phase equalization is good between output.They both can be used separately, more can be for forming multi-path power divider.Its directrix plane structure particularly, these devices can be divided into base and cover plate, adopt respectively that Numerical-control Milling Machines is disposable to be machined, and have guaranteed 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 H 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;
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) Breadth Maximum edge in a certain plane perpendicular to line segment AX is from coupling cavity (1) to port A(2) constant or dull the diminishing 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; Described port A(2), port B(3) with port C(4) the direction of an electric field of center all vertical with horizontal plane.
2. compact T shape H face detail according to claim 1, is characterized in that, the port A(2 of this compact T shape H face detail) reflection coefficient in being greater than 30% relative bandwidth of operation lower than-15dB.
3. compact T shape H face detail according to claim 1, is characterized in that, described compact T shape H 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 H face detail central task frequency.
4. according to the compact T shape H 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 H 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 H 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 H 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. according to the compact T shape H face detail described in any one in claim 1-5, it 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. according to the compact T shape H face detail described in any one in claim 1-5, it 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. according to the compact T shape H face detail described in any one in claim 1-5, it 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 |
|---|---|---|---|
| CN201420409070.8U CN204011635U (en) | 2014-07-24 | 2014-07-24 | Compact T shape H face detail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409070.8U CN204011635U (en) | 2014-07-24 | 2014-07-24 | Compact T shape H face detail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011635U true CN204011635U (en) | 2014-12-10 |
Family
ID=52051588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420409070.8U Active CN204011635U (en) | 2014-07-24 | 2014-07-24 | Compact T shape H face detail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011635U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091996A (en) * | 2014-07-24 | 2014-10-08 | 成都赛纳赛德科技有限公司 | T-shaped H-face stub |
| CN106941204A (en) * | 2017-05-03 | 2017-07-11 | 成都赛纳为特科技有限公司 | The ridge transmission line of perforate on ridge |
| CN107039725A (en) * | 2017-05-03 | 2017-08-11 | 成都赛纳为特科技有限公司 | A kind of broadband ridge transmission line coupling structure filter circuit |
| CN107134618A (en) * | 2017-05-03 | 2017-09-05 | 成都赛纳为特科技有限公司 | The ridge transmission line structure of bottom opening |
| CN107146936A (en) * | 2017-05-03 | 2017-09-08 | 成都赛纳为特科技有限公司 | A kind of microwave radiometer based on broadband ridge transmission line coupling structure |
-
2014
- 2014-07-24 CN CN201420409070.8U patent/CN204011635U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091996A (en) * | 2014-07-24 | 2014-10-08 | 成都赛纳赛德科技有限公司 | T-shaped H-face stub |
| CN106941204A (en) * | 2017-05-03 | 2017-07-11 | 成都赛纳为特科技有限公司 | The ridge transmission line of perforate on ridge |
| CN107039725A (en) * | 2017-05-03 | 2017-08-11 | 成都赛纳为特科技有限公司 | A kind of broadband ridge transmission line coupling structure filter circuit |
| CN107134618A (en) * | 2017-05-03 | 2017-09-05 | 成都赛纳为特科技有限公司 | The ridge transmission line structure of bottom opening |
| CN107146936A (en) * | 2017-05-03 | 2017-09-08 | 成都赛纳为特科技有限公司 | A kind of microwave radiometer based on broadband ridge transmission line coupling structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204011635U (en) | Compact T shape H face detail | |
| CN203085728U (en) | Two-route power distributer | |
| CN203150682U (en) | Porous super coupler | |
| CN103107402B (en) | H-face waveguide power divider | |
| CN103022616A (en) | Double-frequency four-way power divider based on low temperature co-fired ceramic technology | |
| CN204011618U (en) | Compact T shape E face detail | |
| CN103107403B (en) | Loaded power divider | |
| CN203166058U (en) | H-plane three-way power divider | |
| CN203071211U (en) | Single-row long-hole directional coupler | |
| CN203967221U (en) | Compact T shape EH face detail | |
| CN208873857U (en) | Half filled type SIW circulator of ferrite based on high-permitivity ceramics | |
| CN103956552A (en) | Microwave power divider | |
| CN103414004A (en) | 0-dB directional coupler based on multilayer technology | |
| CN204011636U (en) | Compact three road details | |
| CN104091998A (en) | Three-way branch | |
| CN203967225U (en) | Compact T shape HE face detail | |
| CN203085729U (en) | Novel two-way power divider | |
| CN104091994A (en) | T-shaped HE face stub | |
| CN104091996A (en) | T-shaped H-face stub | |
| CN203085724U (en) | Six-port H-plane waveguide unequal power divider | |
| CN103107404B (en) | Loaded H-plane equiphase power divider | |
| CN104091997A (en) | T-shaped E-face stub | |
| CN203085722U (en) | Six-port H-plane waveguide power divider | |
| CN103050750B (en) | Dual-hole compact wave guide directional filter | |
| CN105811064B (en) | Gysel type power splitter based on substrate integration wave-guide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |