CN203166058U - H-plane three-way power divider - Google Patents
H-plane three-way power divider Download PDFInfo
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- CN203166058U CN203166058U CN 201320108485 CN201320108485U CN203166058U CN 203166058 U CN203166058 U CN 203166058U CN 201320108485 CN201320108485 CN 201320108485 CN 201320108485 U CN201320108485 U CN 201320108485U CN 203166058 U CN203166058 U CN 203166058U
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Abstract
The utility model discloses an H-plane three-way power divider comprising a coupling chamber, an input port, an isolation port B, an isolation port C, an outlet port A, an outlet port B, and an outlet port C, which are all communicated with the coupling chamber. The input port is disposed in a front end surface of the coupling chamber, and the output port A is disposed in a rear end surface of the coupling chamber. The isolation port B and the isolation port C are respectively disposed in two sides of the input port. The output port B and the output port C are respectively disposed in two sides of the output port A. Cylindrical bodies are disposed in the coupling chamber, and are arranged in at least two rows along a direction of a back-and-forth axis of the input port, and are arranged in at least two columns along a direction vertical to the above mentioned direction. The cylindrical bodies are connected with an upper inner wall or a lower inner wall of the coupling chamber. The H-plane three-way power divider has advantages of simple structure, small size, low processing difficulty, and wide applicability in antenna arrays, phased array radars, power synthesis, missile guidance, communication and other military and civil fields.
Description
Technical field
The utility model relates to a kind of power splitter.Specifically, relate to a kind of broadband three road power splitters that are loaded with many columns, i.e. three fens devices of H face.
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 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 three fens devices of H face of broadband progression.
To achieve these goals, the technical solution adopted in the utility model is as follows: three fens devices of H face, comprise coupling cavity, and also comprise input port, isolated port B, isolated port C, output port A and the output port B, the output port C that are communicated with coupling cavity; Described input port is positioned at the front end face of coupling cavity, output 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 B, output port C lay respectively at output port A both sides; Be provided with column in the coupling cavity, column is arranged at least 2 row and column along being arranged at least 2 row with the front and back of input port to the direction of axis normal along the front and back of input port to axis direction; Described column is connected with last inwall or the following inwall of coupling cavity.
The utility model wherein possesses 1 input, 3 outputs, 2 isolation with the port usefulness of 6 ports as input, output, isolation.Constitute coupling assembly with coupling cavity and column, in coupling cavity, form coupling, realize the waveguide cross-over connection at last, intersect and transmit and the high three fens devices of H face of broadband progression.
Coupling cavity inside in the utility model also has additional division board simultaneously, and coupling cavity is divided at least 2 coupling units, and the output of three road power splitters is realized in the position of condition division board like this, therefore needs division board to be connected with following inwall with the last inwall of coupling cavity.General, preferentially division board is placed on the center of coupling cavity, namely the front and back of division board to the front and back of axis and coupling cavity to dead in line.Certainly, according to the demand of design can be suitable size and the position of condition division board.
Described adjacent two row columns are parallel along the sagittal axis direction of input port, and adjacent column exists difference in height or stand out overlooking direction.In the same column column, adjacent column exists stand out or difference in height with front and back to the direction of axis normal.
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.
Be provided with one or more division boards in the described coupling cavity, and division board is connected with following inwall with the last inwall of coupling cavity.
In order to improve the coupling between input/output terminal and the coupling cavity, input port, isolated port B, isolated port C, output port A, output port B, output port C 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, output port A, output port B, output port C 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 output port A, output port B, the upper surface of output port C, 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, between the adjacent column of axis direction, have the zero clearance along the front and back of input port, 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.
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, output port A, output port B, output port C are cuboid.
For the bandwidth of operation of broadening device and strengthen its coupling effect and make power splitter reach the effect of 6dB power splitter, be provided with column in the coupling cavity, column is arranged at least 2 row and column along being arranged at least 2 row with the front and back of input port to the direction of axis normal along the front and back of input port to axis direction, and described column is connected with last inwall or time inwall of coupling cavity.
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.Three road power splitters of the present utility model are simple plane structures in addition, are conducive to processing.
The utility model is in the same column column, and there is difference in height in adjacent column overlooking direction.In the same column column, there is stand out with front and back in adjacent column to the direction of axis normal.Arrange like this in coupling cavity, to form rough coupling surface, to reach the purpose that strengthens coupling, finally obtain the effect that power is divided equally.Simultaneously, the utility model adopts the column of independently arranging, though there is contact between them, in fact its each column all is for regulating coupling.Become the column of a structure in addition than global design, adopt the column of independently arranging that its coupling performance is obviously improved.Its reason is that the column of a plurality of coupling usefulness has changed field distribution uniformly in the coupling cavity.Make to be in strengthened condition in some position field, some position is in weakens state, therefore, can reach-effect that the 4.77dB merit is divided.Form the structure with respect to coupling aperture between the adjacent 2 row columns, this coupling aperture inner surface, namely the opposite face between the adjacent 2 row coupling apertures is in concavo-convex state.So also design for the field distribution that changes in the coupling cavity.
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 refer to 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 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, that three fens utensils of H face of the present utility model have is 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 for after embodiment 1(removes cover plate) vertical view.
Fig. 2 is for after embodiment 2(removes cover plate) vertical view.
Fig. 3 is for after embodiment 3(removes cover plate) vertical view.
Label among the figure is expressed as respectively: 1, input port: 2, output port A; 3, output port B; 4, isolated port B; 5, output port C; 6, isolated port C; 7, coupling cavity; 8, metal ridge; 9, load the conductor ridge; 10, column; 11, matched waveguide; 12, division board.
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, three fens devices of H face comprise 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 B3, output port C5, output 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, output 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 B3, output port C5 lay respectively at output port A2 both sides; Be provided with 17 columns 10 in the coupling cavity 7, column 10 is arranged into 7 row and column 10 along being arranged into 3 row with the front and back of 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 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.The 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.In same column column 10, there is difference in height in adjacent column 10 overlooking direction.In same column column 10, there is stand out with front and back in adjacent column 10 to the direction of axis normal.
There is the zero clearance in front and back along input port 1 between the adjacent column 10 of axis direction.Column 10 selects for use metal column that metal material makes as the preferred version of column 9 in the present embodiment.Column 10 can also be the medium post simultaneously.
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 A2, output port B3, output port C5 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 A2, output port B3, output port C5 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 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 A2, output port B3, output port C5 basically, and not from input port 1 reflection, also do not export from isolated port B4, isolated port C6.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 at bottom or the top of coupling cavity.Each input/output terminal can increase one or more levels ridge waveguide matched waveguide.
As shown in Figure 2, only be with the difference of embodiment 1, in coupling cavity 7, have one run through coupling cavity 7 on the division board 12 of inwall and following inwall.And 16 columns 10 are arranged in the coupling cavity 7.
Embodiment 3
As shown in Figure 3, the difference with embodiment 1 only is have 14 cross sections to be circular column 10 in coupling cavity 7.And 16 columnar metal bodies 10 and the column 10 that cross section is rectangle are arranged in the coupling cavity 7.There is the gap between the adjacent column 10.
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 three fens devices of face, 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), output port A(2) with output port B(3), output port C(5); Described input port (1) is positioned at the front end face of coupling cavity (7), output 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 B(3), output port C(5) lay respectively at output port A(2) both sides; Be provided with column (10) in the coupling cavity (7), column (10) is arranged at least 2 row and column (10) along being arranged at least 2 row with the front and back of 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 last inwall or the following inwall of coupling cavity (7).
2. three fens devices of H face according to claim 1 is characterized in that: adjacent two row columns (10) are parallel along the sagittal axis direction of input port (1), and adjacent column (10) exists difference in height or stand out overlooking direction; In same column column (10), adjacent column exists stand out or difference in height with front and back to the direction of axis normal.
3. three fens devices of H face according to claim 1 is characterized in that: the left surface of described coupling cavity (7) or and right flank be provided with at least 1 metal bump, the protrusion direction of metal bump is pointed in the coupling cavity (7) or outside the coupling cavity (7).
4. want three fens devices of 1 described H face according to right, it is characterized in that: input port (1), isolated port B(4), isolated port C(6), output port A(2), output port B(3), output port C(5) all be connected with coupling cavity (7) by at least one section matched waveguide (11).
5. three fens devices of H face according to claim 4 is characterized in that, are provided with the metal ridge (8) that is connected with matched waveguide (11) inner bottom surface in the described matched waveguide (11).
6. three fens devices of H face according to claim 1, it is characterized in that: input port (1), isolated port B(4), isolated port C(6), output port A(2), output port B(3), output port C(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. three fens devices of H face according to claim 1 is characterized in that: be provided with one or more division boards (12) in the described coupling cavity (7), and division board (12) is connected with following inwall with the last inwall of coupling cavity (7).
8. according to three fens devices of any described H face 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, output port A(2) upper surface, output port B(3) upper surface, output port C(5) upper surface, the upper surface of coupling cavity (7), the upper surface of matched waveguide (11) all be positioned at same plane.
9. according to three fens devices of any described H face among the claim 1-6, it is characterized in that: there is the zero clearance in the front and back along input port (1) between the adjacent column of axis direction (10), and column (10) is metal column or is the medium post.
10. according to three fens devices of any described H face among the claim 1-6, it is characterized in that: column (10) is circle or rectangle at the cross section of overlooking direction; Coupling cavity (7), input port (1), isolated port B(4), isolated port C(6), output port A(2), output port B(3), output port C(5) be cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108485 CN203166058U (en) | 2013-03-11 | 2013-03-11 | H-plane three-way power divider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320108485 CN203166058U (en) | 2013-03-11 | 2013-03-11 | H-plane three-way power divider |
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| CN203166058U true CN203166058U (en) | 2013-08-28 |
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| CN 201320108485 Expired - Fee Related CN203166058U (en) | 2013-03-11 | 2013-03-11 | H-plane three-way power divider |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956555A (en) * | 2014-05-06 | 2014-07-30 | 北京遥测技术研究所 | Ka frequency band miniaturization waveguide three-path equipower distribution synthesizer |
| CN106207350A (en) * | 2016-08-29 | 2016-12-07 | 成都赛纳微波科技有限公司 | Rectangle transmission line microwave treatment device |
| CN106252806A (en) * | 2016-08-29 | 2016-12-21 | 成都赛纳微波科技有限公司 | Shape uniform HIGH-POWERED MICROWAVES device |
| CN106299568A (en) * | 2016-08-29 | 2017-01-04 | 成都赛纳微波科技有限公司 | There is the HIGH-POWERED MICROWAVES device of metal ridge |
| CN106329049A (en) * | 2016-08-29 | 2017-01-11 | 成都赛纳微波科技有限公司 | High-power microwave device |
| CN106374174A (en) * | 2016-08-29 | 2017-02-01 | 成都赛纳微波科技有限公司 | High-power microwave device with metal bodies |
| CN111029702A (en) * | 2019-12-08 | 2020-04-17 | 南京航空航天大学 | Waveguide three-way power divider with built-in load |
-
2013
- 2013-03-11 CN CN 201320108485 patent/CN203166058U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956555A (en) * | 2014-05-06 | 2014-07-30 | 北京遥测技术研究所 | Ka frequency band miniaturization waveguide three-path equipower distribution synthesizer |
| CN106207350A (en) * | 2016-08-29 | 2016-12-07 | 成都赛纳微波科技有限公司 | Rectangle transmission line microwave treatment device |
| CN106252806A (en) * | 2016-08-29 | 2016-12-21 | 成都赛纳微波科技有限公司 | Shape uniform HIGH-POWERED MICROWAVES device |
| CN106299568A (en) * | 2016-08-29 | 2017-01-04 | 成都赛纳微波科技有限公司 | There is the HIGH-POWERED MICROWAVES device of metal ridge |
| CN106329049A (en) * | 2016-08-29 | 2017-01-11 | 成都赛纳微波科技有限公司 | High-power microwave device |
| CN106374174A (en) * | 2016-08-29 | 2017-02-01 | 成都赛纳微波科技有限公司 | High-power microwave device with metal bodies |
| CN111029702A (en) * | 2019-12-08 | 2020-04-17 | 南京航空航天大学 | Waveguide three-way power divider with built-in load |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150311 |
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| EXPY | Termination of patent right or utility model |