CN219717233U - Waveguide structure and power synthesis device - Google Patents
Waveguide structure and power synthesis device Download PDFInfo
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- CN219717233U CN219717233U CN202320862429.6U CN202320862429U CN219717233U CN 219717233 U CN219717233 U CN 219717233U CN 202320862429 U CN202320862429 U CN 202320862429U CN 219717233 U CN219717233 U CN 219717233U
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Abstract
The utility model relates to the technical field of electromagnetic wave conduction, in particular to a waveguide structure and a power synthesis device, wherein the waveguide structure comprises a first waveguide, a second waveguide and a third waveguide, the first waveguide and the second waveguide share a first pipe wall, the first pipe wall is provided with a first hole, the first hole is used for communicating the first waveguide with the second waveguide, the second waveguide and the third waveguide share a second pipe wall, the second pipe wall is provided with a second hole, and the second hole is used for communicating the second waveguide with the third waveguide, so that the waveguide structure with simple and compact structure is provided.
Description
Technical Field
The present utility model relates to the field of electromagnetic wave transmission technology, and in particular, to a waveguide structure and a power synthesis device.
Background
The waveguide is a hollow, inner wall-smooth metal conduit or internally metallized tube for transmitting ultra-high frequency electromagnetic waves through which the pulse signal can be transmitted to a destination with minimal loss.
The power synthesis device is a device for synthesizing N paths of input signal energy into M paths of signal energy output (wherein N is more than or equal to 2 and N is more than M); which in turn is used as a power distribution device.
The waveguide structure of the power synthesis device in the prior art is complex and occupies a relatively large space (see fig. 1), which is unfavorable for the miniaturization of equipment and severely restricts the application prospect.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a waveguide structure with a simple and compact structure.
Another object of the present utility model is to provide a power combining device, which adopts the above waveguide structure.
The aim of the utility model is achieved by the following technical scheme:
the utility model provides a waveguide structure, includes first waveguide, second waveguide and third waveguide, first waveguide and second waveguide share first pipe wall, first pipe wall is provided with first hole, first hole communicates first waveguide and second waveguide, second waveguide and third waveguide share second pipe wall, the second pipe wall is provided with the second hole, the second hole communicates second waveguide and third waveguide.
Further, the second waveguide is provided with an open end and a closed end.
Further, a first adjusting plate is arranged in the first waveguide, and the first adjusting plate is perpendicular to the length direction of the first waveguide; or/and, a second adjusting plate is arranged at the inner closed end of the second waveguide, and the second adjusting plate is parallel to the length direction of the second waveguide; or/and, a third adjusting plate is arranged in the third waveguide, and the third adjusting plate is perpendicular to the length direction of the third waveguide.
Further, the distances from the first adjusting plate to the two ends of the first waveguide are equal; alternatively or additionally, the distance from the second adjusting plate to the first pipe wall is equal to the distance from the second adjusting plate to the second pipe wall; alternatively or additionally, the third adjusting plate is equidistant from both ends of the third waveguide.
Further, the optical waveguide structure further comprises a fourth waveguide, the fourth waveguide comprises a first end and a second end, the cross section of the second end is smaller than that of the first end, the fourth waveguide is formed by transition from the first end to the second end, and the first end is connected with the opening end.
Further, a step is provided between the first end and the second end.
Further, the cross section of the second waveguide is larger than that of the first waveguide, and the cross section of the first waveguide is equal to that of the third waveguide; or the cross section of the second waveguide is larger than that of the first waveguide, and the cross section of the first waveguide and the cross section of the third waveguide are equal to that of the second end part.
Further, the first pipe wall is a broadside surface of the first waveguide and the second waveguide, and the second pipe wall is a broadside surface of the second waveguide and the third waveguide.
Further, the first pipe wall is a narrow side surface of the first waveguide and the second waveguide, and the second pipe wall is a narrow side surface of the second waveguide and the third waveguide.
A power combining device comprising the waveguide structure.
The utility model has the following advantages:
simple and compact structure, convenient processing and manufacturing and favorable equipment miniaturization.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described. It is to be understood that the following drawings illustrate only certain embodiments of the utility model and are therefore not to be considered limiting of its scope, for the person of ordinary skill in the art may admit to other equally relevant drawings without inventive effort.
FIG. 1 is a schematic diagram of a waveguide structure of a prior art power combining device;
FIG. 2 is a schematic view of a waveguide structure according to the present utility model;
FIG. 3 is a schematic perspective view of FIG. 2;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
in the figure: 1-a first waveguide; 2-a second waveguide; 3-a third waveguide; 4-a first tube wall; 5-a first hole; 6-a second tube wall; 7-a second hole; 8-an open end; 9-closed end; 10-a first adjusting plate; 11-a second adjusting plate; 12-a third adjusting plate; 13-fourth waveguide; 14-a first end; 15-a second end; 16-steps.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative efforts fall within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
As shown in fig. 2 to 4, a waveguide structure includes a first waveguide 1, a second waveguide 2 and a third waveguide 3, the first waveguide 1 and the second waveguide 2 share a first pipe wall 4, the first pipe wall 4 is provided with a first hole 5, the first hole 5 communicates the first waveguide 1 with the second waveguide 2, the second waveguide 2 and the third waveguide 3 share a second pipe wall 6, the second pipe wall 6 is provided with a second hole 7, and the second hole 7 communicates the second waveguide 2 with the third waveguide 3; the first waveguide 1 and the second waveguide 2 share the first pipe wall 4, so that the structure between the first waveguide 1 and the second waveguide 2 is simple and compact, the second waveguide 2 and the third waveguide 3 share the second pipe wall 6, and the structure between the second waveguide 2 and the third waveguide 3 is simple and compact, and the shared pipe walls (namely the first pipe wall 4 and the second pipe wall 6) enable the structure of the waveguide to be simple and compact, so that the miniaturization of equipment is facilitated; it should be noted that, in the power combining device adopting the above waveguide structure, the number of output ends is 2, and when both ends of the first waveguide 1 and both ends of the third waveguide 3 have signal energy input (i.e., n=4), the power combining device adopting the waveguide structure is a 4-in-2 power combining device (such a power combining device is less applied to actual production).
Further, the second waveguide 2 is provided with an open end 8 and a closed end 9; after the closed end 9 is arranged, the number of the output ends of the power synthesis device adopting the waveguide structure is 1, and when signal energy is input (namely, n=4) at both ends of the first waveguide 1 and both ends of the third waveguide 3, the power synthesis device adopting the waveguide structure is the 4-in-1 power synthesis device.
Further, in order to reduce reflection and obtain a better impedance matching effect, a first adjusting plate 10 is disposed in the first waveguide 1, and the first adjusting plate 10 is perpendicular to the length direction of the first waveguide 1; or/and, a second adjusting plate 11 is arranged at the closed end 9 in the second waveguide 2, and the second adjusting plate 11 is parallel to the length direction of the second waveguide 2; alternatively or additionally, a third adjusting plate 12 is disposed in the third waveguide 3, and the third adjusting plate 12 is perpendicular to the length direction of the third waveguide 3; the vertical direction does not mean absolute vertical direction between the members, and may be slightly inclined.
Further, in order to further reduce reflection and obtain a better impedance matching effect, the distances from the first adjusting plate 10 to the two ends of the first waveguide 1 are equal; alternatively or additionally, the distance from the second adjusting plate 11 to the first pipe wall 4 is equal to the distance from the second adjusting plate 11 to the second pipe wall 6; alternatively or in addition, the distance from the third adjusting plate 12 to the two ends of the third waveguide 3 is equal; the distances are equal, and do not mean that the distances between the required components are absolutely equal, but may be slightly deviated.
Further, in order to obtain a better impedance matching effect, the fourth waveguide 13 further comprises a fourth waveguide 13, wherein the fourth waveguide 13 comprises a first end 14 and a second end 15, the cross section of the second end 15 is smaller than that of the first end 14, the fourth waveguide 13 is formed by transitionally forming the first end 14 to the second end 15, and the first end 14 is connected with the open end 8.
Further, a step 16 is arranged between the first end 14 and the second end 15, and the step 16 reduces the cross section of the fourth waveguide 13 from the first end 14 to the second end 15 step by step; if a conventional bell mouth structure is adopted between the first end 14 and the second end 15, the distance between the first end 14 and the second end 15 (i.e. the length of the fourth waveguide 13) is too long, which is not beneficial to miniaturization of the device; the use of the step 16 makes it possible to shorten the distance between the first end 14 and the second end 15 to the maximum extent, thereby reducing the length of the fourth waveguide 13, which is more advantageous for the miniaturization of the apparatus.
Further, in order to simplify the structure and/or to obtain a better impedance matching effect, the cross section of the second waveguide 2 is larger than the cross section of the first waveguide 1, and the cross section of the first waveguide 1 is equal to the cross section of the third waveguide 3; alternatively, the cross section of the second waveguide 2 is larger than the cross section of the first waveguide 1, and the cross section of the first waveguide 1 and the cross section of the third waveguide 3 are equal to the cross section of the second end 15; in this embodiment, the cross section of the second waveguide 2 is larger than the cross section of the first waveguide 1, and the cross section of the first waveguide 1 and the cross section of the third waveguide 3 are equal to the cross section of the second end 15; it should be noted that the cross sections are equal and do not mean that the cross sections of the required components are absolutely equal, but may deviate somewhat.
Further, the first pipe wall 4 is a broad side surface of the first waveguide 1 and the second waveguide 2, and the second pipe wall 6 is a broad side surface of the second waveguide 2 and the third waveguide 3.
Further, the first pipe wall 4 is a narrow side surface of the first waveguide 1 and the second waveguide 2, and the second pipe wall 6 is a narrow side surface of the second waveguide 2 and the third waveguide 3.
A power combining device comprising the waveguide structure.
In summary, the waveguide structure of the utility model has simple and compact structure, is convenient for processing and manufacturing, is beneficial to the miniaturization of equipment, and is suitable for popularization and use.
The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and principles of the utility model, and it is intended to cover all modifications, equivalents, improvements and modifications as fall within the scope of the utility model.
Claims (10)
1. A waveguide structure characterized by: including first waveguide (1), second waveguide (2) and third waveguide (3), first waveguide (1) and second waveguide (2) share first pipe wall (4), first pipe wall (4) are provided with first hole (5), first hole (5) are with first waveguide (1) and second waveguide (2) intercommunication, second waveguide (2) and third waveguide (3) share second pipe wall (6), second pipe wall (6) are provided with second hole (7), second hole (7) are with second waveguide (2) and third waveguide (3) intercommunication.
2. The waveguide structure according to claim 1, characterized in that: the second waveguide (2) is provided with an open end (8) and a closed end (9).
3. The waveguide structure according to claim 2, characterized in that: a first adjusting plate (10) is arranged in the first waveguide (1), and the first adjusting plate (10) is perpendicular to the length direction of the first waveguide (1); or/and, a second adjusting plate (11) is arranged at the inner closed end (9) of the second waveguide (2), and the second adjusting plate (11) is parallel to the length direction of the second waveguide (2); or/and, a third adjusting plate (12) is arranged in the third waveguide (3), and the third adjusting plate (12) is perpendicular to the length direction of the third waveguide (3).
4. A waveguide structure according to claim 3, characterized in that: the distances from the first adjusting plate (10) to the two ends of the first waveguide (1) are equal; or/and, the distance from the second adjusting plate (11) to the first pipe wall (4) is equal to the distance from the second adjusting plate (11) to the second pipe wall (6); alternatively or in addition, the distance from the third adjusting plate (12) to the two ends of the third waveguide (3) is equal.
5. The waveguide structure according to claim 4, wherein: the novel optical waveguide structure further comprises a fourth waveguide (13), the fourth waveguide (13) comprises a first end portion (14) and a second end portion (15), the cross section of the second end portion (15) is smaller than that of the first end portion (14), the fourth waveguide (13) is formed by transition from the first end portion (14) to the second end portion (15), and the first end portion (14) is connected with the opening end (8).
6. The waveguide structure according to claim 5, wherein: a step (16) is provided between the first end (14) and the second end (15).
7. The waveguide structure according to claim 4, wherein: the cross section of the second waveguide (2) is larger than that of the first waveguide (1), and the cross section of the first waveguide (1) is equal to that of the third waveguide (3); or, the cross section of the second waveguide (2) is larger than that of the first waveguide (1), and the cross section of the first waveguide (1) and the cross section of the third waveguide (3) are equal to that of the second end (15).
8. The waveguide structure according to any one of claims 1 to 7, characterized in that: the first pipe wall (4) is the broadside surface of the first waveguide (1) and the second waveguide (2), and the second pipe wall (6) is the broadside surface of the second waveguide (2) and the third waveguide (3).
9. The waveguide structure according to any one of claims 1 to 7, characterized in that: the first pipe wall (4) is a narrow side surface of the first waveguide (1) and the second waveguide (2), and the second pipe wall (6) is a narrow side surface of the second waveguide (2) and the third waveguide (3).
10. A power combining device, characterized by: the power combining device comprising the waveguide structure of any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862429.6U CN219717233U (en) | 2023-04-18 | 2023-04-18 | Waveguide structure and power synthesis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862429.6U CN219717233U (en) | 2023-04-18 | 2023-04-18 | Waveguide structure and power synthesis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219717233U true CN219717233U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320862429.6U Active CN219717233U (en) | 2023-04-18 | 2023-04-18 | Waveguide structure and power synthesis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219717233U (en) |
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- 2023-04-18 CN CN202320862429.6U patent/CN219717233U/en active Active
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