WO2016039191A1 - 導波管装置 - Google Patents
導波管装置 Download PDFInfo
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- WO2016039191A1 WO2016039191A1 PCT/JP2015/074569 JP2015074569W WO2016039191A1 WO 2016039191 A1 WO2016039191 A1 WO 2016039191A1 JP 2015074569 W JP2015074569 W JP 2015074569W WO 2016039191 A1 WO2016039191 A1 WO 2016039191A1
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- Prior art keywords
- waveguide
- opening
- waveguide device
- wall
- recess
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/12—Hollow waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/02—Bends; Corners; Twists
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/02—Bends; Corners; Twists
- H01P1/022—Bends; Corners; Twists in waveguides of polygonal cross-section
Definitions
- the present invention relates to a member, component, device or the like (hereinafter referred to as a waveguide device) having a structure that functions as a waveguide.
- examples of application fields of waveguides include (1) communication devices and (2) radar devices.
- the propagation direction of electromagnetic waves propagating through a waveguide provided in a certain communication device (hereinafter referred to as the tube axis direction) and It may be necessary to connect waveguides of different communication apparatuses having different directions with respect to the direction of polarization (hereinafter referred to as polarization direction).
- Patent Document 1 As a waveguide device for changing the tube axis direction, a device called a waveguide bend or a waveguide corner having a structure in which a waveguide is bent is generally known. . (For example, Patent Document 1)
- Patent Document 1 is for connecting waveguides (hereinafter referred to as rectangular waveguides) whose cross-sectional shapes of electromagnetic wave propagation paths (hereinafter referred to as waveguide paths) in a waveguide are rectangular. It has a structure in which two waveguides are connected at a desired angle, and has a stepped step surface at a bent portion where the tube axis direction is changed.
- waveguide path in the following description, in addition to the case of referring to the propagation path itself, it may be used to refer to a structure that defines a propagation path such as an inner wall, or to indicate both. is there.
- the wide surface of the inner wall that defines the waveguide is parallel to the direction of the magnetic field (H).
- the “surface” and the narrow surface are in parallel with the electric field (E), and therefore may be referred to as “E surface”.
- a waveguide bend as in Patent Document 1 it may be called an E-plane bend (or corner) or an H-plane bend (or corner) depending on which surface the tube axis direction is changed along. is there.
- the case of the above-mentioned patent document 1 corresponds to an E-plane bend.
- the tube axis direction of each of the two straight tubular waveguide portions on both sides of the bent portion coincides with the central axis of each waveguide portion.
- the straight lines indicating the tube axis directions in the two waveguide portions are located on the same plane and intersect at one point.
- the longitudinal directions of the cross-sectional shapes (rectangular shapes in Patent Document 1) of the waveguide paths of the respective waveguide portions are in a parallel relationship.
- Patent Document 2 a waveguide device that changes the polarization direction without changing the tube axis direction is known.
- Patent Document 2 a configuration is adopted in which a polarization converter having a slit having a specific cross-sectional shape is disposed between two rectangular waveguides (vertical polarization waveguide, horizontal polarization waveguide) whose polarization directions are orthogonal to each other. is doing.
- the length of the polarization converter in the tube axis direction needs to be about 1 ⁇ 4 wavelength, and there is a problem that the overall size becomes large as in (1).
- the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain a waveguide device capable of suppressing the size of the structure for changing the tube axis direction and the polarization direction. .
- a waveguide device is a waveguide device in which a first opening and a second opening are formed at an end of a waveguide, A first waveguide having a recess formed with an opening having the same shape as the first opening, the bottom of the recess being disposed in a first direction as viewed from the opening; A second waveguide in which a recess having the same opening as that of the second opening and having a second recess disposed in a second direction as viewed from the opening is formed in the first and A guide obtained by combining the positions of the bottoms of the second recesses to be different from each other in a direction different from the first and second directions and so that the first and second recesses communicate with each other at the bottoms of the first and second recesses.
- the waveguide device of the present invention it is possible to obtain a waveguide device capable of suppressing the size of the structure for changing the tube axis direction and the polarization direction.
- an alphabet (a, b,%) Is added to the reference numeral when a plurality of parts of a certain component are described separately, and an alphabet is not added when an explanation is given as a group. There is a case.
- the shape shown in the figure is a schematic diagram simplified to the extent necessary for explaining the invention, and the detailed shape of the part shown in the figure and the part of the waveguide device 100 not shown in the figure. Is not limited to the figure. For example, as long as the performance as the waveguide device 100 is satisfied, there may be (1) detailed unevenness of the wall surface, (2) dimensional change, and (3) shape change.
- the waveguide device of this embodiment has (1) a rectangular waveguide as the connection destination of the waveguide device and has a shape and structure suitable for it. (2) In order to explain the change of the polarization direction, the TE10 mode is assumed as the electromagnetic wave propagation mode, (3) the tube axis direction and the polarization direction are changed at right angles, and (4) the wall surface is all flat. An explanation will be given by way of an example of a configuration.
- the cross-sectional shape of the waveguide path is not limited to the rectangular waveguide, and any waveguide path structure may be used as long as the longitudinal direction and the short direction can be defined. However, it is desirable to have a symmetrical shape, for example, (a) a rounded quadrangle, and (b) an elliptical waveguide device.
- FIG. 1 is a perspective view showing an appearance of a waveguide device according to Embodiment 1 of the present invention.
- FIG. 2 is a perspective view showing a structure when the waveguide device is seen transparently in the first embodiment of the present invention.
- the shapes of the inner wall and the hidden outer wall are also shown.
- 11 is a first opening
- 12 is a second opening
- 100 is a waveguide device
- 1010 is a first tube axis direction
- 1011 is a first polarization direction
- 1020 is a second opening.
- 1021 is the second polarization direction
- 1101 is the first waveguide section
- 1102 is the first opening section
- 1201 is the second waveguide section
- 1202 is the second opening section
- x, y, and z are coordinate axes for convenience.
- the 1st waveguide part 1101 and the 2nd waveguide part 1201 show the range which divided
- the dotted line indicates a line representing the inner wall (or inner wall) of the waveguide device 100
- the alternate long and short dash line indicates a line representing the outer wall (or outer wall) hidden behind the screen in FIG.
- the arrows indicating the tube axis directions 1010 and 1020 are arrows assuming that electromagnetic waves propagate from the first opening 1102 to the second opening 1202.
- the arrows indicating the tube axis directions 1010 and 1020 may be different from the direction of the arrows depending on the traveling direction of the electromagnetic waves input to and output from the waveguide device 100.
- the direction is not limited.
- the term “tube axis direction” refers to a direction defined only by the arrow axis, not the direction defined by both the arrow direction and the arrow axis.
- the polarization direction is a direction parallel to the narrow surface of the inner wall surface in each opening.
- the waveguide device 100 has a first opening 1102 and a second opening 1202.
- a first opening 11 having a rectangular shape is formed in the first opening 1102.
- a rectangular second opening 12 is formed in the second opening 1202.
- the y-axis is in the longitudinal direction and the x-axis is in the short direction
- the z-axis is in the longitudinal direction and the y-axis is in the short direction.
- An opening is formed so as to be.
- the positions of the centers of the first and second openings 11 and 12 in different directions from the first and second tube axis directions 1010 and 1020 are different.
- first opening 1102 and the second opening 1202 can be regarded as input terminals or output terminals of the waveguide device 100.
- the first waveguide portion 1101 has a first opening 1102 at one end in the first tube axis direction 1010 (the end in the + z direction in the drawing). Further, a waveguide path is formed from the first opening 11 toward the other end portion in the first tube axis direction 1010 (the end portion in the ⁇ z direction in the drawing).
- the first waveguide portion 1101 since the first waveguide portion 1101 has a straight tubular waveguide structure on the first opening 1102 side, the first tube axis direction in the present embodiment is , Defined by its straight tubular portion.
- the second waveguide section 1201 has a second opening 1202 at one end in the second tube axis direction 1020 (the end in the + x direction in the drawing). Further, a waveguide path is formed from the second opening 12 toward the other end portion in the second tube axis direction 1020 (the end portion in the ⁇ x direction in the drawing).
- the second waveguide section 1201 since the second waveguide section 1201 has a straight tubular waveguide structure on the second opening 1202 side, the second tube axis direction in the present embodiment is , Defined by its straight tubular portion.
- the waveguide device 100 has an inner wall formed so as to connect the openings of the first opening 1102 and the second opening 1202.
- the inner walls define the shapes of the openings 11 and 12 and the waveguide path connecting the first opening 1102 and the second opening 1202.
- the openings 11 and 12 of the first opening 1102 and the second opening 1202 are formed at different ends of the waveguide. Details of the structure of the inner wall defining the waveguide will be described later with reference to FIG.
- the inner wall that defines the waveguide has conductivity.
- the inner wall when only an inner wall has electroconductivity, it is not limited to the case where the inner wall is formed, for example by metal material plating.
- the entire waveguide device 100 may be formed of a conductive material.
- FIG. 3 is a perspective view showing a structure when the inner wall of the waveguide device is seen transparently in the first embodiment of the present invention.
- FIG. 3 corresponds to a line obtained by deleting a line (solid line, one-dot chain line) indicating the outer wall from FIG.
- 200 is an inner wall (or a waveguide path defined by the inner wall)
- 1101a is an inner wall (or a waveguide path defined by the inner wall) on the first waveguide section 1101 side
- 1103 is a first one.
- Reference numeral 1 denotes an end surface
- 1104 denotes a first projecting surface
- 1105 (1105a, 1105b) denotes a second plane pair
- 1106 (1106a, 1106b) denotes a first plane pair
- 1201a denotes the second waveguide section 1201 side.
- An inner wall (or a waveguide defined by the inner wall), 1203 is a second end surface
- 1204 is a second projecting surface
- 1205 (1205a, 1205b) is a third plane pair
- 1206 (1206a, 1206b) is a second surface. 4 plane pairs are shown.
- 4 and 5 are a top view and a side view showing a structure when the waveguide device is seen transparently in the first embodiment of the present invention.
- the inner wall 200 has an inner wall 1101a on the first waveguide section 1101 side and an inner wall 1201a on the second waveguide section 1201 side.
- a first opening 11 and a second opening 12 are formed at the end of the waveguide defined by the inner wall 200 (1101a and 1201a).
- the inner wall 1101a on the first waveguide section 1101 side has planes 1103, 1104, 1105, and 1106.
- each of the first and second plane pairs 1105 and 1106 is a parallel plane pair extending in parallel with the first tube axis direction 1010, and the first end face 1103 is the first This is an example of a plane perpendicular to the tube axis direction 1010.
- the plane pair 1105 is formed separately in the short direction of the shape of the first opening 11, and the plane pair 1106 is formed in the longitudinal direction of the shape of the first opening 11. Are formed separately.
- the inner wall 1201a on the second waveguide section 1201 side has planes 1203, 1204, 1205, and 1206.
- the third and fourth plane pairs 1205 and 1206 are each a parallel plane pair extending in the second tube axis direction 1020, and the second end surface 1203 is the second tube. This is an example of a plane perpendicular to the axial direction 1010.
- the plane pair 1205 is formed separately in the longitudinal direction of the shape of the second opening 12, and the plane pair 1106 is formed in the short direction of the shape of the second opening 12. Are formed separately.
- the longitudinal directions of the shapes of the two openings are not the same direction, and the angles between the longitudinal directions are perpendicular to each other.
- the shapes and dimensions (dimension ratios) of the inner walls on the first waveguide portion 1101 side and the second waveguide portion 1201 side are not necessarily the same.
- the waveguide device 100 Different dimensions (dimension ratios) may be used depending on the shape of the connection destination, (2) required characteristics for the waveguide device 100, and (3) the specific structure of the waveguide device.
- the assumed electromagnetic wave has a shape and size (dimension ratio) that can propagate from the first waveguide portion 1101 to the second waveguide portion 1201.
- first end face 1103 of the first waveguide section 1101 and the plane 1205a of the second waveguide section 1201 are positioned on the same plane parallel to the xy plane.
- the plane 1105a of the first waveguide section 1101 and the second end face 1203 of the second waveguide section 1201 are positioned on one plane parallel to the yz plane. It is an example of a case formed.
- the first projection surface 1104 and the second projection surface 1204 are formed on each end surface side.
- the waveguide path of the waveguide device 100 is considered to be a waveguide path corresponding to a waveguide path obtained by combining two waveguides.
- FIG. 6 is a perspective view showing a structure when two virtual waveguides are seen transparently.
- FIG. 6 the line representing the outer wall shown in FIG. 2 is not displayed, and only the inner wall is displayed, for easy comparison with FIG. 3 showing the waveguide device 100 of the present embodiment. . Therefore, description of the opening is omitted.
- 21 is the third opening
- 22 is the fourth opening
- 1010 is the first direction
- 1020 is the second direction
- 2101 is the first waveguide
- 2101a is the inner wall of the first waveguide.
- 2101b is a first recess
- 2103 is a first end surface
- 2104 is a first protrusion surface
- 2105 (2105a, 2105b) is a second plane pair
- 2106 (2106a, 2106b) is a first plane pair
- 2201a is the inner wall of the second waveguide
- 2201b is the second recess
- 2203 is the second end surface
- 2204 is the second projection surface
- 2205 (2205a, 2205b) is the third
- the plane pair 2206 (2206a, 2206b) indicates a fourth plane pair.
- the first direction 1010 is the same as the first tube axis direction in FIG. 1 showing the waveguide device 100 of the present embodiment
- the second direction 1020 is the second tube axis in FIG. The same direction as the direction 1020 is shown.
- a third opening 21 is formed in the first waveguide 2101.
- the third opening 21 has the same shape as the first opening 11 in FIG. 1 and has a rectangular shape.
- the y-axis is the longitudinal direction
- the x-axis is the short direction
- the z-axis is the long direction and the y-axis is the short direction.
- the first waveguide 2101 has a first recess 2101b formed from the third opening 21 toward the end in the first direction 1010 (the end in the ⁇ z direction in the drawing). ing.
- the bottom of the first recess 2101 b is arranged in the first direction 1010 when viewed from the third opening 21.
- a fourth opening 22 is formed in the second waveguide 2201.
- the fourth opening 22 has the same shape as the second opening 12 in FIG. 1 and has a rectangular shape.
- the second waveguide 1201 is formed with a second recess 2201b from the fourth opening 22 toward the end in the second direction 1020 (the end in the ⁇ x direction in the drawing). ing.
- the bottom of the second recess 2201b is arranged in the second direction 1020 when viewed from the fourth opening 22.
- the inner wall 2101 a of the first waveguide 2101 has planes 2103, 2104, 2105 and 2106.
- the region surrounded by the inner wall 2101a becomes the first recess 2101b, and the waveguide path of the first waveguide 2101 is defined by the inner wall 2101a.
- the plane pair 2105 and 2106 of the first waveguide 2101 are each a parallel plane pair extending in parallel with the first direction 1010, and the first end surface 2103 is perpendicular to the first direction 1010. It is a flat surface.
- the plane pair 2105 is separately formed in the short direction of the shape of the third opening 21, and the plane pair 2106 is separately formed in the longitudinal direction of the third opening 21. Yes.
- the inner wall 2201a of the second waveguide 2201 has planes 2203, 2204, 2205, and 2206.
- the region surrounded by the inner wall 2201a becomes the second recess 2201b, and the waveguide path of the second waveguide 2201 is defined by the inner wall 2201a.
- the plane pair 2205 and 2206 of the second waveguide 2201 are each a parallel plane pair extending in parallel with the second direction 1012, and the second end face 2203 is perpendicular to the second direction 1020. It is a flat surface.
- the plane pair 2205 is formed separately in the longitudinal direction of the shape of the fourth opening 22, and the plane pair 2206 is formed separately in the longitudinal direction of the fourth opening 22. .
- FIG. 7 is a side view showing a region corresponding to the overlap of virtual waveguides when the waveguide device is viewed transparently in the first embodiment of the present invention.
- FIG. 8 is a perspective view showing a region corresponding to the overlap of virtual waveguides when the inner wall of the waveguide device is transparently viewed in the first embodiment of the present invention.
- 1301 corresponds to a range where the plane 2105a and the second end face 2203 overlap when the first waveguide 2101 and the second waveguide 2201 shown in FIG. 3 shows the range of the inner wall 200 of the waveguide device 100 shown in FIG.
- FIG. 6 showing two waveguides 2101 and 2201 and FIGS. 1 to 8 (excluding FIG. 6) showing the waveguide device 100 of the present embodiment shows that the waveguide of the present embodiment.
- the tube device 100 is a recess in which an opening having the same shape as the first opening 11 (the third opening 21 in FIG. 6) is formed, and the bottom of the recess is disposed in the first direction 1010 when viewed from the opening.
- the bottom of the first and second recesses 2101b and 2201b is the second waveguide 2201 formed with the second recess 2201b disposed in the second direction 1020 when the bottom is viewed from the opening.
- the first and second recesses 2101b and 2201b have a waveguide corresponding to a waveguide obtained by combining the first and second recesses 2101b and 2201b so as to communicate with each other at the bottom of the first and second recesses 2101b and 2201b. Recognize. Therefore, the “merging” means that the two waveguides 2101 and 2201 are virtually merged by paying attention to the first and second recesses 2101b and 2201b.
- the waveguide device 100 of the present embodiment is obtained by combining the bottom portions so that the recesses of the two waveguides 2101 and 2201 shown in FIG. 6 communicate with each other at the bottom portions. It can be seen that there is a waveguide corresponding to the waveguide.
- the position of the plane 2106b (narrow surface) of the first waveguide 2101 shown in FIG. 6 in the y-axis direction is the plane of the second waveguide 2201. It can be seen that a waveguide path corresponding to a waveguide path obtained by combining the two waveguides 2101 and 2201 is located between the (wide surface) pair 2206.
- the position of the plane (wide surface) 2105b of the first waveguide 2101b shown in FIG. 6 in the x-axis direction is the second of the second waveguide 2201. It can be seen that there is a waveguide corresponding to a waveguide obtained by combining the two waveguides so as to be positioned between the end face 2203 of the first and second openings 22.
- the centers of the third and fourth openings 21 and 22 are different from the first and second directions 1010 and 1020 (see FIG. 6). Then, the position in the y-axis direction) is different.
- the waveguide device 100 of the present embodiment configured as described above includes (1) the first waveguide portion 1101 and a region 1305 corresponding to the overlapping of the recesses of the two waveguides shown in FIG. , And a portion of the second waveguide section 1102 on the first waveguide section side function as an H-plane bend, and (2) the second waveguide of the first waveguide section 1101 A part on the tube side, the region 1305, and the second waveguide unit 1102 function as an E-plane bend. Therefore, (3) the waveguide device 100 is considered to have integrated the functions of both bends. Therefore, both the tube axis direction and the polarization direction can be changed by one waveguide device 100.
- FIG. 9 is a perspective view showing a region corresponding to the overlap of virtual waveguides when the inner wall of the waveguide device is transparently viewed in the first embodiment of the present invention.
- FIG. 9 shows the structure of the inner wall 200 as in FIG.
- reference numeral 1302 denotes a virtual plane.
- the imaginary plane 1302 extends the plane 1206a of the inner wall 2010a of the second waveguide section 1201 toward the plane 1105a (arranged in the ⁇ x direction in the figure) of the inner wall 1101a of the first waveguide section 1101. It has become a surface.
- the virtual surface 1302 corresponds to a range where the first recess 2010b and the inner wall 2206a overlap when the first waveguide 2101 and the second waveguide 2201 illustrated in FIG. 6 are combined. .
- FIG. 10 and FIG. 11 are a top view and a side view showing an analysis model for analyzing a region corresponding to the overlap of virtual waveguides.
- reference numeral 1300 denotes a straight tubular waveguide in which a region on the second waveguide part 1201 side from the virtual surface 1302 is modeled in order to analyze the virtual surface 1302 to the first projecting surface 1204. Indicates the impedance when the first opening 1102 side is viewed from the virtual plane 1302.
- the portion of the waveguide from the first opening 1102 to the second projecting surface 1204 is modeled.
- At least one of the dimension and position of the first projecting surface 1104 is adjusted at the time of design, for example, and the impedance 1303 is made higher than the characteristic impedance of the waveguide in the first opening 1102.
- FIG. 12 is a chart showing the frequency dependence of impedance viewed from a region corresponding to the overlap of virtual waveguides in the first embodiment of the present invention.
- the frequency dependence is displayed using a so-called Smith chart.
- 1401 indicates the locus of the impedance 1303 obtained by the above model
- 1402 indicates the center of the chart.
- the frequency range in this analysis is 0.75 to 1.25 with the center frequency normalized to 1.
- the locus 1401 of the impedance 1303 has a low frequency side on the left side and a high frequency side on the right side from the center 1402 of the chart. From the figure, it can be seen that the impedance 1303 is higher on the high frequency side than on the low frequency side.
- At least one of the dimension and position of the first projection surface 1104 can be set, and the impedance 1303 can be made higher than the characteristic impedance of the waveguide in the first opening 1102 on the high frequency side. I understand.
- FIG. 13 is a perspective view showing an analysis model for analyzing a region corresponding to an overlap of virtual waveguides when the inner wall of the waveguide device is transparently viewed in the first embodiment of the present invention. It is.
- FIG. 14 is a top view showing an analysis model for analyzing a region corresponding to an overlap of virtual waveguides when the waveguide device is transparently viewed in the first embodiment of the present invention. .
- 1302 is the virtual plane shown in FIGS. 10 and 11
- 1304 is the virtual plane
- 1305 is the region of the waveguide path between the virtual plane 1302 and the virtual plane 130
- 1306 is the first plane from the virtual plane 1304. 1 shows the impedance of the first opening 1101 side.
- the virtual surface 1304 represents an overlapping range between a surface obtained by extending the inner wall surface 1106b of the first waveguide part 1101 and a region surrounded by the inner wall 1201a of the second waveguide part 1201.
- At least one of the dimension and position of the second projecting surface 1204 is adjusted at the time of design, for example, and the equivalent characteristic impedance 1403 of the region 1305 between the virtual surface 1302 and the virtual surface 1304 is adjusted to the second waveguide. Considering that the characteristic impedance of the unit 1201 is higher.
- the region 1305 between the virtual surface 1302 and the virtual surface 1304 functions as an impedance converter.
- FIG. 15 is a chart showing the frequency dependence of the impedance of the waveguide device in the first embodiment of the present invention.
- 1401 is the locus of the impedance 1303, 1402 is the center of the chart, 1403 is the center of the locus of the impedance 1303, 1404 and 1405 are arrows indicating the direction in which the impedance locus 1401 changes. Except for the arrows 1404 and 1405, it is the same as FIG.
- an impedance 1306 when viewing the first opening 1102 side from the virtual plane 1304 has a locus 1401 centered on the impedance 1403 as indicated by arrows 1404 and 1405 in FIG. The trajectory rotates clockwise.
- the equivalent electrical length of the region 1305 is longer on the high frequency side. For this reason, as indicated by arrows 1404 and 1405, the locus on the high frequency side rotates more greatly on the chart than the impedance locus on the low frequency side.
- FIG. 16 is a chart showing the frequency dependence of the impedance of the waveguide device in the first embodiment of the present invention.
- 1406 indicates the frequency dependence of the impedance 1306 when the first opening 1101 side is viewed from the surface 1304.
- FIG. 17 is a diagram showing the frequency dependence of the reflection characteristics of the waveguide device in the first embodiment of the present invention.
- the figure shows the analysis result of the reflection characteristic in the first opening 1101 and corresponds to the characteristic of FIG.
- a specific band where the reflection amount is ⁇ 20 dB or less is about 46%, and it can be seen that the waveguide device 100 has good reflection characteristics over a wide specific band.
- the impedance locus 1401 shown in FIG. 15 further rotates in the direction of the arrow in the figure.
- the impedance trajectory 1406 moves away from the center of the Smith chart and the reflection characteristics deteriorate.
- the size defining the range of the region 1305 is 1 ⁇ 2 or less of the guide wavelength at the lowest frequency in the operating frequency of the waveguide device 100.
- any waveguide device to which the present invention is applied it is not necessary to reduce it to 1/2 or less of the guide wavelength. For example, 1/3 or less depending on each embodiment and a specific mounting form. May be different.
- the wide surface 1105a of the first waveguide part 1101 and the end face of the second waveguide part 1201 are shown in 1301 of FIG. 7 and FIG. 1203 partially overlaps.
- a waveguide device of the present embodiment a waveguide device capable of suppressing the size of the structure for changing the tube axis direction and the polarization direction can be obtained.
- each of the first and second waveguide portions 1101 and 1201 has an outer wall surface that is a straight tube as a whole.
- the structure of the waveguide is only required to have the structure according to the present invention as described above, and is not limited to the embodiment.
- the outer shape of the entire waveguide device 100 may have an outer wall having a (1) rectangular parallelepiped shape and (2) a rounded rectangular parallelepiped shape.
- the two waveguides 21010 and 2201 shown in FIG. 6 are replaced with (1) a set of the first end face 2203 and one plane 2205a of the third plane pair, and the second Equivalent to the inner wall of the waveguide obtained when the two waveguides are combined with each other in a state in which the pair of the end face 2203 and the one plane 2105a of the second plane pair extends on the same plane.
- the shape is not limited to the shape of the embodiment.
- both sets are extended on the same plane as shown in the figure of the present embodiment. It is desirable to have an inner wall surface that can be overlapped in the existing state.
- the waveguide device 100 is divided into two parts (first and second waveguide parts 1101 and 1102) for convenience, but the number of divisions and the division range are as follows. It is not limited to the above description. Further, it is not always necessary to divide the waveguide device 100 in accordance with the above-mentioned parts in mounting.
- FIG. 18 is a perspective view showing an appearance of the waveguide device according to the first embodiment of the present invention. The way of viewing the figure is the same as in FIG.
- the figure shows an example in which the waveguide device 100 is divided into three parts for convenience.
- reference numeral 3101 denotes a first waveguide portion
- 3103 denotes a connection portion
- 3201 denotes a second waveguide portion.
- part is not limited to the above, You may change.
- a waveguide corresponding to the first waveguide section and a second waveguide are used instead of the two waveguides shown in FIG.
- the structure of the waveguide device 100 can be considered as a combination of a waveguide corresponding to the tube portion and two waveguides corresponding to the connection portion 3103.
- the case where the tube axis direction is changed at right angles as the waveguide device 100 is taken as an example.
- the waveguide device 100 may be formed so as to be changed at an angle other than a right angle in accordance with a scene to which the waveguide device 100 is applied.
- the waveguide device 100 is not changed in the angle in the y-axis direction in the figure, but may be formed so as to change the angle in the y-axis direction.
- the change angle is not a right angle
- the shape of the region 1305 may be the same as described above, and the waveguide structure other than the region 1305 may have a waveguide path shape in which the tube axis directions are not perpendicular to each other.
- two waveguides 2101 and 2201 are assumed for the sake of convenience so that the structure of the waveguide device 100 can be easily understood. Is not necessarily formed by actually combining two members, and may be integrally formed.
- the projecting surfaces 1104 and 1204 are formed in both the waveguide portion defined by the first inner wall 1101a and the waveguide portion defined by the second inner wall 1201a. However, it may be formed only on one side and is not limited to the embodiment.
- the first and second openings 1102 and 1202 have a structure in which the openings 11 and 12 are formed, but are coupled to the connection destination of the waveguide device 100. Therefore, the opening may be formed to have a structure such as (1) a screw hole and (2) a flange. That is, it is possible to define a broadly defined waveguide device 100 having elements other than the configuration shown in the figure.
- the first and second waveguide portions 1101 and 1201 are described as being integrally formed.
- the present invention is not limited to the embodiment.
- the waveguide device 100 may be configured so as to be divided into a plurality of parts and assembled.
- each part may be divided into shapes that can be molded.
- the present invention is not limited to this.
- the present invention may be applied to a device that connects between two openings of the device.
- the present embodiment a case has been described in which there is one waveguide portion with different tube axis directions and polarization directions, and thus there are two openings.
- the two openings It can be considered as described and is not limited to the structure and number shown in the figure.
- another structure similar to one of the waveguide portions may be formed on the opposite side in the ⁇ y direction in the figure, and the waveguide device 100 may have a structure having three openings.
- the waveguide device 100 is considered to have a structure corresponding to a structure obtained by combining a plurality of waveguides, instead of the projecting surface at the bottom of the concave portion of one of the waveguides.
- the one having the same configuration as the other waveguide can be considered.
- the waveguide device 100 may be (a) used in other modes, (b) used in combination with other modes, and (c) shared with other modes.
- the present invention is not limited to the above case, and (a) one is not a right angle and (b) both are not a right angle. May be the angle.
- FIG. 19 is a side view showing the structure of the waveguide device according to the second embodiment of the present invention as seen transparently. The way of viewing the figure is the same as that of FIG. 2 of the first embodiment.
- FIG. 2 is different from FIG. 2 of the first embodiment in that the first projection surface 1104 and the second projection surface 1204 are not formed.
- the impedance adjustment described in the first embodiment is selected using one or more of the cross-sectional shape, size, dimension ratio, etc. of the waveguide in each virtual waveguide as a parameter. Can be performed.
- the waveguide device of the present embodiment As described above, according to the waveguide device of the present embodiment, a waveguide device similar to that of the first embodiment can be obtained.
- the shape of the waveguide path is simplified as compared with the first embodiment, the cost, time, and time required for processing the waveguide device 100 or processing the mold of the waveguide device 100, and At least one of the energy can be suppressed.
- FIG. 20 is a diagrammatic representation of Embodiment 3 of the present invention.
- 20 and 21 are a side view and a top view showing a structure when the waveguide device is seen transparently in the third embodiment of the present invention.
- A-A ′ indicates the position of the dividing surface of the waveguide device 100.
- first projecting surface 1104 and the second projecting surface 1204 are stepped surfaces.
- the projecting surface 1204 is formed as a stepped surface.
- the waveguide device of the present embodiment As described above, according to the waveguide device of the present embodiment, a waveguide device similar to that of the first embodiment can be obtained.
- the stepped protrusions are formed on both the first waveguide unit 1101 and the second waveguide unit 1201, but may be formed only on one side.
- the waveguide device 100 when the waveguide device 100 is mounted, the waveguide device 100 may be formed so as to be divided into a plurality of two parts at the position A-A ′ in the drawing.
- the staircase is By matching the shape and the dividing surface, the waveguide device 100 can be easily manufactured as compared with the case of the first embodiment in which a planar projecting surface is formed.
- various modifications in the first and second embodiments may be applied to the waveguide device of the present embodiment to form a new waveguide device. Since various modifications can be applied to the present embodiment in the same manner as in the first embodiment and the second embodiment, description thereof is omitted.
- 22 and 23 are a side view and a top view showing a structure when the waveguide device is seen transparently in the fourth embodiment of the present invention.
- reference numerals 1501 and 1502 denote so-called irises.
- the iris is formed in both the first waveguide section 1101 and the second waveguide section 1201. Therefore, the inner wall 200 is formed to have an iris-like wall surface.
- a capacitive iris is formed.
- the formation position of the iris may be different depending on the mounting form of the waveguide device.
- the iris can be formed at a position about 1 ⁇ 2 wavelength away from the overlapping region of the virtual waveguides 2101 and 2201.
- the waveguide device of the present embodiment As described above, according to the waveguide device of the present embodiment, a waveguide device similar to that of the first embodiment can be obtained.
- the impedance adjustment described in the first embodiment can be performed by the iris, and therefore the impedance adjustment parameters are increased. Therefore, the degree of freedom in designing the waveguide device 100 is improved.
- one capacitive iris is formed in each waveguide section.
- an inductive iris may be used, and a plurality of irises may be formed. It is not limited to.
- 11 1st opening, 12 2nd opening 100 waveguide device, 200 inner wall (or waveguide path defined by inner wall), 1010 first direction (or first tube axis direction), 1011th 1 polarization direction, 1020 second direction (or second tube axis direction), 1021 second polarization direction, 1101 first waveguide portion, 1101a inner wall on the first waveguide portion side ( Or waveguide defined by the inner wall), 1102, first opening, 1103, first end face, 1104, first projection surface, 1105 (1105a, 1105b), second of the first waveguide part.
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Abstract
Description
なお、導波管路の語を用いる場合、以下の説明においては、伝搬路自体を指す場合のほかに、内壁といった伝搬路を規定する構造を指す場合、両方を指す場合、にも用いることがある。
第1の開口と同じ形状の開口が形成された凹部であって凹部の底部が開口からみて第1の方向に配置された第1の凹部、が形成された第1の導波管と、第2の開口と同じ開口が形成された凹部であって凹部の底部が開口からみて第2の方向に配置された第2の凹部、が形成された第2の導波管とを、第1及び第2の凹部の底部の位置が第1及び第2の方向と異なる方向において互いに異なりかつ第1及び第2の凹部が第1及び第2の凹部の底部において連通するよう合体して得られる導波管路、
に相当する導波管路を有する。
本実施の形態においては、第1の導波管部1101は第1の開口部1102側に直管状の導波管構造を有しているので、本実施の形態における第1の管軸方向は、その直管状の部分によって規定される。
本実施の形態においては、第2の導波管部1201は第2の開口部1202側に直管状の導波管構造を有しているので、本実施の形態における第2の管軸方向は、その直管状の部分によって規定される。
導波管装置100を3つの部位に分けて考える場合には、図6に示した2つ導波管のかわりに、第1の導波管部に対応する導波管、第2の導波管部に対応する導波管、接続部3103に対応する2つの導波管、が合体したものとして導波管装置100の構造を考えることができる。
Claims (9)
- 導波管路の端部に第1の開口及び第2の開口が形成された導波管装置であって、
前記第1の開口と同じ形状の開口が形成された凹部であって凹部の底部が開口からみて第1の方向に配置された第1の凹部、が形成された第1の導波管と、前記第2の開口と同じ開口が形成された凹部であって凹部の底部が開口からみて第2の方向に配置された第2の凹部、が形成された第2の導波管とを、前記第1及び前記第2の凹部の前記底部の位置が前記第1及び前記第2の方向と異なる方向において互いに異なりかつ前記第1及び前記第2の凹部が前記第1及び前記第2の凹部の底部において連通するよう合体して得られる導波管路、
に相当する導波管路を有する、導波管装置。 - 前記第1の開口は、長手方向及び短手方向を有する第1の形状を有し、
前記第2の開口は、長手方向及び短手方向を有する第2の形状を有し、
前記第1及び前記第2の形状の長手方向が互いに異なる、
請求項1に記載の導波管装置。 - 前記第1及び第2の形状は共に、矩形、角丸四角形または楕円形である、
請求項2に記載の導波管装置。 - 前記第1及び第2の形状は共に、矩形または角丸四角形であり、
前記第1の凹部を規定する第1の内壁は、
前記第1の形状の長手方向において分離形成された第1の平面対と、
前記第1の形状の短手方向において分離形成された第2の平面対と、
前記第1の凹部の前記底部に形成された第1の端面と、
を有し、
前記第2の凹部を規定する第2の内壁は、
前記第2の形状の長手方向に配置された第3の平面対と、
前記第2の形状の短手方向に配置された第4の平面対と、
前記第2の凹部の前記底部に形成された第2の端面と、
を有し、
前記第1の凹部の前記第1の端面と前記第2の凹部の前記第3の平面対の一方の面、 及び、前記第1の凹部の前記第2の平面対の一方の面と前記第2の凹部の前記第2の端面、の少なくとも一方の組に含まれる面が重複範囲を有する、
請求項2に記載の導波管装置。 - 前記第1及び前記第2の凹部の前記底部の位置は、前記第1及び前記第2の方向と異なる方向において互いに一部が重複し、
重複する範囲の大きさは、前記導波管線路を伝搬する電磁波の管内波長の1/2以下である、
請求項1ないし請求項4のいずれか1項に記載の導波管装置。 - 前記第1 及び前記第2の凹部の前記底部の少なくとも一方に、突起面が形成された、
請求項1ないし請求項5のいずれか一項に記載の導波管装置。 - 前記突起面は階段状の突起面であり、
前記階段状の突起面の最も開口部側の一面の位置において分割可能な、
請求項6に記載の導波管装置。 - 前記第1 及び前記第2の凹部の少なくとも一方にアイリス状の内壁面が形成された、
請求項1ないし請求項7のいずれか一項に記載の導波管装置。 - 導波管路の異なる端部において、第1の矩形形状を有する第1の開口及び第2の矩形形状を有する第2の開口が形成された導波管装置であって、
前記導波管路は、
第1の管軸方向に延在するとともに前記第1の矩形形状の長手方向において分離形成された第1の平面対、前記第1の管軸方向に延在するとともに前記第1の矩形形状の短手方向において分離形成された第2の平面対、及び前記第1の管軸方向と垂直な第1の端面を含み、前記第1及び第2の平面対が前記第1の開口の矩形形状を規定する、第1の内壁と、
前記第1の管軸方向と異なる第2の管軸方向に延在するとともに前記第2の矩形形状の長手方向に配置された第3の平面対、前記第2の管軸方向に延在するとともに前記第2の矩形形状の短手方向に配置された第4の平面対、及び前記第2の管軸方向と垂直な第2の端面を含み、前記第3及び前記第4の平面対が前記第2の開口の矩形形状を規定する、第2の内壁と、
を有し、
前記第1及び第2の開口の中心は、
前記第1及び前記第2の管軸方向と異なる方向における位置が異なり、
前記第1の内壁により囲まれる領域及び前記第2の内壁により囲まれる領域は、
前記第1の内壁により囲まれる領域の前記第1の端面側の端部、及び前記第2の内壁により囲まれる領域の前記第2の端面側の端部、において連通している、
導波管装置。
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CN112054275A (zh) * | 2020-08-20 | 2020-12-08 | 东南大学 | 低损耗的基片集成波导端馈天线的转接装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5216679Y1 (ja) * | 1976-04-01 | 1977-04-14 | ||
WO2005099026A1 (ja) * | 2004-03-30 | 2005-10-20 | Murata Manufacturing Co., Ltd. | 導波管コーナおよび無線装置 |
JP2013207391A (ja) * | 2012-03-27 | 2013-10-07 | Mitsubishi Electric Corp | 方形導波管の接続構造 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5216679A (en) | 1975-07-30 | 1977-02-08 | Ichikoh Industries Ltd | Switch contact structure |
JPH09246801A (ja) | 1996-03-14 | 1997-09-19 | Nec Corp | 導波管ベンド |
JP3892339B2 (ja) | 2002-05-15 | 2007-03-14 | 三菱電機株式会社 | 曲り導波管 |
JP3884725B2 (ja) | 2003-06-03 | 2007-02-21 | 三菱電機株式会社 | 導波管装置 |
WO2008069358A1 (en) | 2006-12-08 | 2008-06-12 | Idoit Co., Ltd. | Horn array type antenna for dual linear polarization |
US9136577B2 (en) * | 2010-06-08 | 2015-09-15 | National Research Council Of Canada | Orthomode transducer |
US9105952B2 (en) * | 2012-10-17 | 2015-08-11 | Honeywell International Inc. | Waveguide-configuration adapters |
-
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5216679Y1 (ja) * | 1976-04-01 | 1977-04-14 | ||
WO2005099026A1 (ja) * | 2004-03-30 | 2005-10-20 | Murata Manufacturing Co., Ltd. | 導波管コーナおよび無線装置 |
JP2013207391A (ja) * | 2012-03-27 | 2013-10-07 | Mitsubishi Electric Corp | 方形導波管の接続構造 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3193404A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018067905A (ja) * | 2016-10-04 | 2018-04-26 | ザ・ボーイング・カンパニーThe Boeing Company | 複雑な導波管ネットワークの簡略化 |
JP7023631B2 (ja) | 2016-10-04 | 2022-02-22 | ザ・ボーイング・カンパニー | 複雑な導波管ネットワークの簡略化 |
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