CN203085723U - H-plane power divider - Google Patents
H-plane power divider Download PDFInfo
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- CN203085723U CN203085723U CN 201320108576 CN201320108576U CN203085723U CN 203085723 U CN203085723 U CN 203085723U CN 201320108576 CN201320108576 CN 201320108576 CN 201320108576 U CN201320108576 U CN 201320108576U CN 203085723 U CN203085723 U CN 203085723U
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Abstract
The utility model discloses an H-plane power divider, which comprises a coupled cavity, and an input port, an output end and isolating ends which are communicated with the coupled cavity. The input port and two isolating ends are arranged on the front end surface of the coupled cavity. The other isolating end and the output end are arranged on the rear end surface of the coupled cavity. Columnar bodies are arranged in the coupled cavity. The columnar bodies are arranged in at least three lines along a direction of the front-rear axis of the input port and are arranged in at least two rows in a direction perpendicular to the front-rear axis of the input port. The columnar bodies are connected with the upper inner wall or the lower inner wall of the coupled cavity. The H-plane power divider disclosed by the utility model has the advantage of phase consistency and has the characteristics of simple structure, small size and low manufacturing difficulty. The H-plane power divider can be widely used for military and civil fields such as antenna array and phased array radar and power synthesis, missile guidance and communication.
Description
Technical field
The utility model relates to a kind of power splitter.Specifically, relate to a kind of broadband two road power splitters that are loaded with many columns, i.e. H-face power divider.
Background technology
Power splitter is a kind of general original paper in modern microwave communication and the military electronic system.Waveguide power divider is used very extensive owing to its power capacity height, insert characteristics such as loss is low.Two road waveguide power dividers both can use separately, also can constitute the multichannel power division network by serial connection, were used for fields such as phased array radar, antenna array and power is synthetic.Existing two road waveguide power dividers mainly comprise E-face T type branch, H-face T type branch, and waveguide evil spirit T, the H-ground roll is led crack electric bridge etc.Wherein preceding two kinds of devices are owing to isolation between two outputs is low, and the mismatch of any one output port all can have a strong impact on the amplitude and the phase accuracy of power division.Between the output port of waveguide evil spirit T good isolation is arranged, but the axis direction of its four waveguides points to three mutually perpendicular directions respectively, constitutes complicated 3-D solid structure, difficult processing, the cost height, and device is all bigger in a length and width Senior Three direction, is unfavorable for miniaturization of devices.The axis that the H-ground roll is led the input and output waveguide of crack electric bridge is positioned at same plane, but has the too narrow shortcoming of bandwidth.The H-ground roll of having reported is led the relative bandwidth of operation of crack electric bridge less than 25%.
The utility model content
The purpose of this utility model is to overcome owing to the waveguide cross-over connection, intersects and need cause a series of problems such as the increase of infall volume, machining accuracy reduction by three-dimensional labyrinth, provides a kind of and in one plane can realize the waveguide cross-over connection, intersected and transmit and the high H-face power divider of broadband progression.
To achieve these goals, the technical solution adopted in the utility model is as follows: H-face power divider, comprise coupling cavity, and also comprise input port, isolated port B, isolated port C, isolated port A and the output port A, the output port B that are communicated with coupling cavity; Described input port is positioned at the front end face of coupling cavity, isolated port A is positioned at the rear end face of coupling cavity, front end face and rear end face are coupling cavity two opposites in opposition to each other, isolated port B and isolated port C lay respectively at the both sides of input port, and output port A, output port B lay respectively at isolated port A both sides; Be provided with column in the coupling cavity, column is arranged at least 3 row and column is arranged at least 2 row along the front and back with input port to the direction of axis normal along the front and back of input port to axis direction; Described column is connected with the last inwall or the following inwall of coupling cavity.
The utility model is with the port of 6 ports as input, output, isolation, while arranging and coupling cavity composition coupling unit with the column formation rule, reach the coupling requirement of regulation, realize the waveguide cross-over connection, intersect and transmit and the high H-face power divider of broadband progression.
General, in order to reach the equiphase output of coupling, coupling cavity described in the utility model is to be the left-right symmetric structure of symmetry axis with front and back to axis, and the set of all columns constitutes the coupling body group, and the coupling body group is that the symmetry axis with coupling cavity is the left-right symmetric structure.The utility model with the coupling cavity of left-right symmetric structure as the coupling enclosed construction, coupling body group with the left-right symmetric structure is arranged in the coupling cavity as the device of regulating coupling simultaneously, in order to reach equiphase output, the symmetry axis of the coupling body group in the utility model and the symmetry axis of coupling cavity overlap, and are axially symmetric structure with the overall structure that realizes coupling unit.Can realize equiphase output like this.
The left surface of described coupling cavity or and right flank be provided with at least 1 metal bump, the protrusion direction of metal bump is pointed in the coupling cavity or outside the coupling cavity.
In order to improve the coupling between input/output terminal and the coupling cavity, input port, isolated port B, isolated port C, isolated port A, output port A, output port B all are connected with coupling cavity by at least one section matched waveguide.
In order to regulate coupling effect, be provided with the metal ridge that is connected with the matched waveguide inner bottom surface in the described matched waveguide.
In order to regulate the working band of coupling effect and further broadening device, input port, isolated port B, isolated port C, isolated port A, output port A, output port B are ridge waveguide, ridge waveguide comprise the rectangular waveguide cavity body and be arranged on inwall on the rectangular waveguide cavity body or and the loading conductor ridge of following inwall.
Further, for the ease of processing and assembling, reduce processing request, the upper surface of the upper surface of the upper surface of input port, the upper surface of isolated port B, isolated port C, the upper surface of isolated port A, output port A, the upper surface of output port B, the upper surface of coupling cavity, the upper surface of matched waveguide all are positioned at same plane.
Further, in order to regulate coupling effect, exist between the adjacent column of axis direction along the front and back of input port greater than zero or null gap, and column is metal column or is the medium post.Scheme as an alternative, column can also be that other possess columns of regulating coupling and or strengthening bandwidth in power splitter in the utility model; There is the zero clearance between colleague's the column, and colleague's column formation column group, the rear and front end of its column group is connected with rear end face with the front end face of coupling cavity respectively.Can further realize integrally-built compactedness like this, reach the purpose of the volume that dwindles whole power splitter.
Further, for the ease of processing and assembling, reduce processing request, column is circle or rectangle at the cross section of overlooking on the direction.
Further, for the ease of processing and assembling, reduce processing request, coupling cavity, input port, isolated port B, isolated port C, isolated port A, output port A, output port B are cuboid.
For the bandwidth of operation of broadening device and strengthen its coupling effect and make power splitter reach the effect of 3dB power splitter, be provided with column in the coupling cavity, column is arranged at least 3 row and column along the front and back of input port to axis direction and is connected with the last inwall or time inwall of coupling cavity along being arranged into the described column of at least 2 row with the front and back of input port to the direction of axis normal.
The width of coupling cavity has at least 1 variation along the axis direction of input port.The left medial surface and the Right Inboard face that are described coupling cavity are provided with metal bump, and the protrusion direction of metal bump is pointed in the coupling cavity.Metal bump is to change arbitrarily, can be rectangular column, circular columns or other obform bodies.
Maximum characteristics of the present utility model are to be provided with at least 6 columns in coupling cavity, and phase velocity and coupling by between the different mode of signal in the column adjusting coupling cavity are greatly enhanced the bandwidth of operation of device.Signal to two output port from input port input is symmetrical in addition, and just the amplitude from the signal of two output ports outputs all is consistent with phase place.So just need not re-use phase shifter and come control phase.
Operation principle of the present utility model can be summarized as follows under the situation of the input and output waveguide of the coupling cavity of rectangle and rectangle: input and output waveguide described herein, it is input/output terminal, specifically be meant input port, output, coupled end, isolation end, the input port of rectangle has mainly encouraged two waveguide mode of operations, i.e. TE10 pattern and TE20 pattern in the coupling cavity of rectangle.The ripple of these two patterns all will be propagated to axis direction before and after input port.Because the guide wavelength difference of these two patterns, at the other end of coupling cavity, the power that output and coupled end place are coupled out from coupling cavity be the power that from the ripple of two mode of operation TE10 patterns and TE20 pattern, is coupled out respectively and.By width and the length of choosing coupling cavity, and the size of each input/output terminal and position, can make coupled end satisfy certain designing requirement from the power sum that two mode of operations are coupled out respectively, it is 180 degree that the power phases that isolation end is coupled out from two mode of operations respectively differs, and cancels out each other.At this moment, all energy are all exported from output port basically, and not from the input port reflection, also do not export from isolation end.In order further to widen the bandwidth of operation of device, the shape of coupling cavity, particularly width can suitably change along the axis of input port, especially increase column at the bottom or the top of coupling cavity.Each input/output terminal can increase one or more levels ridge waveguide matched waveguide.
Above-mentioned front and back are the axis that is pointed to rear end face by front end face to axis.
Advantage of the present utility model is: in one plane can realize the waveguide cross-over connection, intersect transmission, broadband progression height, the phase place unanimity of H-face power splitter of the present utility model, have simultaneously simple in structure, volume is little, the characteristics that difficulty of processing is low.The utility model can be widely used in that antenna array, phased array radar and power are synthetic, missile guidance, military affairs and civil area such as communicate by letter.
Description of drawings
Fig. 1 is the vertical view of the utility model (after removing cover plate).
Fig. 2 is for after embodiment 2(removes cover plate) vertical view.
Label among the figure is expressed as respectively: 1, input port: 2, isolated port A; 3, output port A; 4, isolated port B; 5, output port B; 6, isolated port C; 7, coupling cavity; 8, metal ridge; 9, load the conductor ridge; 10, column; 11, matched waveguide.
Among the figure ↓ arrow represent the place ahead to, ↑ arrow represent the rear to, ← arrow represent left to, → arrow is represented right.Before and after to axis refer to by the place ahead to point to the rear to the axle straight line.
Embodiment
As shown in Figure 1, H-face power divider comprises coupling cavity 7, the input/output terminal that is communicated with coupling cavity 7, the i.e. input port 1 that is communicated with coupling cavity 7, output port A3, output port B5, isolated port A2, isolated port B4, isolated port C6.Input port 1 and isolated port B4, isolated port C6 are positioned at the front end face of coupling cavity 7, isolated port A2 is positioned at the rear end face of coupling cavity 7, front end face and rear end face are coupling cavity 7 two opposites in opposition to each other, isolated port B4 and isolated port C6 lay respectively at the both sides of input port 1, and output port A3, output port B5 lay respectively at isolated port A2 both sides; Be provided with 10,19 columns 10 of 19 columns in the coupling cavity 7 and arrange according to H shape, column 10 is arranged into 6 row and column 10 is arranged into 3 row along the front and back with input port 1 to the direction of axis normal along the front and back of input port 1 to axis direction; Described column 10 is connected with the last inwall or the following inwall of coupling cavity 7.The width of described coupling cavity 7 has 4 variations along the axis direction of input port 1.Concrete left medial surface that is changed to coupling cavity 7 and Right Inboard face are provided with metal bump, and the protrusion direction of metal bump is pointed to outside the coupling cavity 7.Described coupling cavity 7 is to be the left-right symmetric structure of symmetry axis with front and back to axis, and the set of all columns 10 constitutes the coupling body group, and the coupling body group is that the symmetry axis with coupling cavity 7 is the left-right symmetric structure.
There is null gap in front and back along input port 1 between the adjacent column 10 of axis direction.Column 10 is selected metal column that metal material the makes preferred version as column 9 for use in the present embodiment.Column 10 can also be the medium post simultaneously; There is the zero clearance between colleague's the column, and colleague's column formation column group, the rear and front end of its column group is connected with rear end face with the front end face of coupling cavity respectively.
The input port 1 of rectangle has mainly encouraged two waveguide mode of operations, i.e. TE10 pattern and TE20 pattern in the coupling cavity 7 of rectangle.The ripple of these two patterns all will be propagated to axis direction along input port 1 front and back.Because the guide wavelength difference of these two patterns, at the other end of coupling cavity 7, the power that output port A3, output port B5 place are coupled out from coupling cavity 7 be the power that from the ripple of two mode of operation TE10 patterns and TE20 pattern, is coupled out respectively and.By width and the length of choosing coupling cavity 7, and the size of each input/output terminal and position, can make output port A3, output port B5 satisfy certain designing requirement from the power sum that two mode of operations are coupled out respectively, it is 180 degree that the power phases that isolated port A2, isolated port B4, isolated port C6 are coupled out from two mode of operations respectively differs, and cancels out each other.At this moment, all energy are all exported from output port A3, output port B5 basically, and not from input port 1 reflection, also from isolated port A2, isolated port B4, isolated port C6 output.In order further to widen the bandwidth of operation of device, the shape of coupling cavity 7, particularly width can suitably change along the axis of input port, especially increase column 10 at the bottom or the top of coupling cavity 7.Each input/output terminal can increase one or more levels ridge waveguide matched waveguide 11.
Embodiment 2
As shown in Figure 2, only be that with the difference of embodiment 1 coupling cavity 7 has a projection on width, the direction of projection is pointed within the coupling cavity.Only adopt the column 10 of 2 cylindrical column bodies 10 and 2 rectangles.Load conductor ridge 9 and metal ridge 8 and connect together, do not have matched waveguide 11.Front and back along input port 1 exist between the adjacent column 10 of axis direction greater than zero gap.
Above-mentioned only for giving an example.In the actual production, the side of coupling cavity 7 both can be one or more straightway, also can be smooth curve, constituted the rectangle overlook direction, trapezoidal or pattern that other are more complicated.Column 10 can be irregularly shaped for rectangle, circle, ellipse or other.
Claims (10)
1.H-face power divider, comprise coupling cavity (7), it is characterized in that: also comprise the input port (1), the isolated port B(4 that are communicated with coupling cavity (7)), isolated port C(6), isolated port A(2) with output port A(3), output port B(5); Described input port (1) is positioned at the front end face of coupling cavity (7), isolated port A(2) is positioned at the rear end face of coupling cavity (7), front end face and rear end face are coupling cavity (7) two opposites in opposition to each other, isolated port B(4) and isolated port C(6) lay respectively at the both sides of input port (1), output port A(3), output port B(5) lay respectively at isolated port A(2) both sides; Be provided with column (10) in the coupling cavity (7), column (10) is arranged at least 3 row and column (10) is arranged at least 2 row along the front and back with input port (1) to the direction of axis normal along the front and back of input port (1) to axis direction; Described column (10) is connected with the last inwall or the following inwall of coupling cavity (7).
2. H-face power divider according to claim 1, it is characterized in that: described coupling cavity (7) is to be the left-right symmetric structure of symmetry axis to axis with front and back, all columns (10) constitute the coupling body group, and the coupling body group is that the symmetry axis with coupling cavity (7) is the left-right symmetric structure.
3. H-face power divider according to claim 1 is characterized in that: the left surface and the right flank of described coupling cavity (7) are provided with at least 1 metal bump, in the protrusion direction sensing coupling cavity (7) of metal bump or outside the coupling cavity (7).
4. H-face power divider according to claim 1 is characterized in that: input port (1), isolated port B(4), isolated port C(6), isolated port A(2), output port A(3), output port B(5) all be connected with coupling cavity (7) by at least one section matched waveguide (11).
5. H-face power divider according to claim 4 is characterized in that, is provided with the metal ridge (8) that is connected with matched waveguide (11) inner bottom surface in the described matched waveguide (11).
6. H-face power divider according to claim 1, it is characterized in that: input port (1), isolated port B(4), isolated port C(6), isolated port A(2), output port A(3), output port B(5) all be ridge waveguide, ridge waveguide comprise the rectangular waveguide cavity body and be arranged on inwall on the rectangular waveguide cavity body or and the loading conductor ridge (9) of following inwall.
7. according to any described H-face power divider among the claim 4-5, it is characterized in that: upper surface, the isolated port B(4 of input port (1)) upper surface, isolated port C(6) upper surface, isolated port A(2) upper surface, output port A(3) upper surface, output port B(5) upper surface, the upper surface of coupling cavity (7), the upper surface of matched waveguide (11) all be positioned at same plane.
8. according to any described H-face power divider among the claim 1-6, it is characterized in that: the front and back along input port (1) exist between the adjacent column of axis direction (10) greater than zero or null gap, and column (10) is metal column or is the medium post; There is the zero clearance between colleague's the column, and colleague's column formation column group, the rear and front end of its column group is connected with rear end face with the front end face of coupling cavity respectively.
9. according to any described H-face power divider among the claim 1-6, it is characterized in that: column (10) is circle or rectangle at the cross section of overlooking direction.
10. according to any described H-face power divider among the claim 1-6, it is characterized in that: coupling cavity (7), input port (1), isolated port B(4), isolated port C(6), isolated port A(2), output port A(3), output port B(5) be cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108576 CN203085723U (en) | 2013-03-11 | 2013-03-11 | H-plane power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108576 CN203085723U (en) | 2013-03-11 | 2013-03-11 | H-plane power divider |
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| Publication Number | Publication Date |
|---|---|
| CN203085723U true CN203085723U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320108576 Withdrawn - After Issue CN203085723U (en) | 2013-03-11 | 2013-03-11 | H-plane power divider |
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| Country | Link |
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| CN (1) | CN203085723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107404A (en) * | 2013-03-11 | 2013-05-15 | 成都赛纳赛德科技有限公司 | Loaded H-plane equiphase power divider |
| CN105322987A (en) * | 2014-06-16 | 2016-02-10 | 智邦科技股份有限公司 | Wireless network device and wireless network control method |
-
2013
- 2013-03-11 CN CN 201320108576 patent/CN203085723U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107404A (en) * | 2013-03-11 | 2013-05-15 | 成都赛纳赛德科技有限公司 | Loaded H-plane equiphase power divider |
| CN105322987A (en) * | 2014-06-16 | 2016-02-10 | 智邦科技股份有限公司 | Wireless network device and wireless network control method |
| CN105322987B (en) * | 2014-06-16 | 2018-04-24 | 智邦科技股份有限公司 | Wireless network device and wireless network control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20141105 |
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| RGAV | Abandon patent right to avoid regrant |