CN203013908U - Magnetic-coupled coaxial waveguide converter - Google Patents
Magnetic-coupled coaxial waveguide converter Download PDFInfo
- Publication number
- CN203013908U CN203013908U CN 201320006748 CN201320006748U CN203013908U CN 203013908 U CN203013908 U CN 203013908U CN 201320006748 CN201320006748 CN 201320006748 CN 201320006748 U CN201320006748 U CN 201320006748U CN 203013908 U CN203013908 U CN 203013908U
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- waveguide
- coaxial
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- transducer
- coupled
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Abstract
The utility model discloses a magnetic-coupled coaxial waveguide converter, comprising the components as following: a waveguide, which includes a top wall, a bottom wall opposite to the top wall and a side wall connecting the top wall with the bottom wall, wherein the bottom wall is provided with an opening; an interface arranged at the opening, wherein the interface is provided with a coaxial internal conductor, and the coaxial internal conductor is accommodated in the waveguide; a first metal conductor block, which is fixedly arranged on the top wall, wherein one end of the coaxial internal conductor is fixedly arranged on the interface, the other end of the coaxial internal conductor is connected with the first metal conductor block and is electrically to the wall of the waveguide; and a second metal conductor block, which is fixedly arranged on the side wall, wherein two ends of the second metal conductor block are respectively connected with the top wall and the bottom wall. The utility model provides the advantages as following: the structure is stable, the anti-interference capability is strong, standing wave or loss is small, the bandwidth is large, the application scope is wide, and the magnetic-coupled coaxial waveguide converter can be applied to other frequency ranges according to requirements.
Description
Technical field
The utility model relates to the transducer of microwave technical field, relates in particular to the magnetic-coupled coaxial-waveguide transducer in fields such as can be used for microwave communication, modern radar system, instrument and meter, electronic equipment.
Background technology
The coaxial-waveguide transducer be a kind of in microwave and radio circuit widely used passive device, the quality of its index directly affects the performance of complete machine.Ridge waveguide is compared with common waveguide has advantages of that the volume small band is wide, is used in a lot of powerful microwave systems.General coaxial waveguide transformational structure is simple, and electrical property is also better, but because the parameter that can design adjusting is less, so (as airborne, onboard system) can increase cost or electrical performance indexes is reduced in some system stricter to structural requirement.The ridge waveguide that reduces for flat waveguide and narrow limit in addition because its characteristic impedance reduces to be difficult to coupling, thereby narrows down bandwidth, the probe of the electric coupling simultaneously and wave guide wall spacing is very little also can reduce its power capacity.
The utility model content
For addressing the above problem, the utility model has designed a kind of magnetic-coupled coaxial-waveguide transducer of electrical property excellence.
The utility model is achieved in that a kind of magnetic-coupled coaxial-waveguide transducer, and it comprises:
Waveguide, it comprises roof, the diapire relative with this roof and the sidewall that connects this roof and this diapire, is provided with opening on this diapire;
Interface, it is arranged on this opening part, and this interface is provided with coaxial inner conductor, and this coaxial inner conductor is housed in this waveguide;
The first metallic conductor piece, it is fixed on this roof, and an end of this coaxial inner conductor is fixed on this interface, and the other end of this coaxial inner conductor is connected and reaches electric connection with this wave guide wall with this first metallic conductor piece; And
The second metallic conductor piece, it is fixed on this sidewall, and its two ends are connected with this roof, this diapire respectively.
As the further improvement of such scheme, waveguide is flat waveguide or standard waveguide.
Preferably, on the direction perpendicular to the center line of this waveguide, the length of this first metallic conductor piece is 16.4mm.
Again preferably, on the direction perpendicular to the center line of this waveguide, the length of this second metallic conductor piece is 8.4mm.
Again preferably, on the direction of the center line that is parallel to this waveguide, the length of this coaxial inner conductor is 2.1mm.
Further improvement as such scheme, this waveguide is ridge waveguide, this roof formation passage that caves inward, and this ridge waveguide is symmetrical structure with its center line, this the first metallic conductor piece is followed a side that is recessed to form stairstepping thereby extends to depression along the roof of this ridge waveguide, and accommodates this second metallic conductor piece in the opposite flank of depression.
Preferably, on the direction perpendicular to the center line of this waveguide, this first metallic conductor piece is 8.9mm in the length of concave bottom, and is 7.5mm in the length of depression one side.
Again preferably, on the direction perpendicular to the center line of this waveguide, the length of this second metallic conductor piece is 8.4mm.
Again preferably, on the direction of the center line that is parallel to this waveguide, the length of this coaxial inner conductor is 2.1mm.
As the further improvement of such scheme, this interface is borehole structure, and this interface is coaxial with this coaxial inner conductor.
Magnetic-coupled coaxial-waveguide transducer of the present utility model has advantages of that Stability Analysis of Structures, antijamming capability are strong, standing wave and loss little, be with wide, applied widely, what solved that flat waveguide causes because characteristic impedance diminishes is difficult to coupling with coaxial transmission line, and the power capacity that brings as coaxial inner conductor and the minim gap between wave guide wall of feed probes when bandwidth narrows down problem and electric coupling reduces problem; And the strenuous exercise such as airborne, spaceborne and vibration cause the coaxial inner conductor distortion as probe to cause the problem that electrical property worsens.
Description of drawings
The partial schematic sectional view of the magnetic-coupled coaxial-waveguide transducer that Fig. 1 provides for the utility model better embodiment.
Fig. 2 is the standing-wave ratio curve chart of magnetic-coupled coaxial-waveguide transducer in Fig. 1.
Main symbol description: waveguide 1, roof 11, diapire 12, sidewall 13, the first metallic conductor piece 21, the second metallic conductor piece 22, coaxial inner conductor 3, medium 4, flange 5, interface 6.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1, the partial schematic sectional view of the magnetic-coupled coaxial-waveguide transducer that it provides for the utility model better embodiment.This magnetic-coupled coaxial-waveguide transducer comprises waveguide 1, interface 6, the first metallic conductor piece 21 and the second metallic conductor piece 22.
This waveguide 1 can be a kind of in flat waveguide, ridge waveguide, standard waveguide, in the present embodiment, is illustrated as an example of ridge waveguide example.Waveguide 1 is symmetrical structure with its center line, comprises roof 11, the diapire 12 relative with this roof 11 and the sidewall 13 that connects this roof 11 and this diapire 12.Be provided with opening on this diapire 12.The main distinction of ridge waveguide and flat waveguide, standard waveguide is: the roof 11 of the ridge waveguide formation passage that caves inward, and this ridge waveguide is symmetrical structure with its center line.
The first metallic conductor piece 21 is fixed on this roof 11, follow a side that is recessed to form stairstepping thereby extends to depression along the roof of this ridge waveguide, and accommodate this second metallic conductor piece 22 in the opposite flank of depression, the second metallic conductor piece 22 is fixed on this sidewall 13, and its two ends are connected with this roof 11, this diapire 12 respectively.
On the direction perpendicular to the center line of ridge waveguide, the thickness W2 of this first metallic conductor piece 22 in the length of concave bottom can be 8.9mm(such as Fig. 1), and the thickness W1 in the length of depression one side can be 7.5mm(such as Fig. 1); The length of this second metallic conductor piece 22 can be the thickness W3 in 8.4mm(such as Fig. 1); On the direction of the center line that is parallel to this waveguide, the length of this coaxial inner conductor can be the height h in 2.1mm(such as Fig. 1).
Structural parameters: height h, thickness W1, thickness W2, thickness W3 all can regulate.Therefore, the position of coaxial inner conductor 3 can be formulated (as of in Fig. 1 according to the assembling needs, refer to that the distance between the center line of coaxial inner conductor 3 and ridge waveguide can change), can realize Broadband Matching by designing above structural parameters height h, thickness W1, thickness W2, thickness W3.
Please in conjunction with Fig. 2, it is standing-wave ratio curve of the present utility model, coaxial inner conductor 3 is connected with the first metallic conductor piece 21, realize that coaxial pattern is to the transformation of waveguide mode, the position of coaxial inner conductor 3 can free adjustment, can satisfy the flexibility that under different situations, system configuration is installed, have very high practicality.
The integral structure that coaxial inner conductor 3, the first metallic conductor piece 21 and ridge waveguide wall are connected can improve the stability of structure, the index of avoiding being brought by vibration worsen and high-power situation under produce the problem that electric capacity punctures.
In other embodiments, when this waveguide was flat waveguide or standard waveguide, on the direction perpendicular to the center line of this waveguide, the length of this first metallic conductor piece can be 16.4mm, on the direction perpendicular to the center line of this waveguide, the length of this second metallic conductor piece can be 8.4mm; On the direction of the center line that is parallel to this waveguide, the length of this coaxial inner conductor can be 2.1mm.When difference is that this waveguide is flat waveguide or standard waveguide, W1 is 0.
Magnetic-coupled coaxial-waveguide transducer of the present utility model has advantages of that Stability Analysis of Structures, antijamming capability are strong, standing wave and loss little, be with wide, applied widely, what solved that flat waveguide causes because characteristic impedance diminishes is difficult to coupling with coaxial transmission line, and the bandwidth power capacity that minim gap between problem and electric coupling probe and wave guide wall brings that narrows down reduces problem; And the strenuous exercise such as airborne, spaceborne and vibration cause probe deformations to cause the problem that electrical property worsens.
In brief, the utility model has the advantage of: 1 realizes broadband character; 2 applicable to any frequency range; 3 Stability Analysis of Structures antijamming capabilities are strong; 4 standing waves and loss are little.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. magnetic-coupled coaxial-waveguide transducer, it comprises:
Waveguide, it comprises roof, the diapire relative with this roof and the sidewall that connects this roof and this diapire, is provided with opening on this diapire; And
Interface, it is arranged on this opening part, and this interface is provided with coaxial inner conductor, and this coaxial inner conductor is housed in this waveguide;
It is characterized in that, this magnetic-coupled coaxial-waveguide transducer also comprises:
The first metallic conductor piece, it is fixed on this roof, and an end of this coaxial inner conductor is fixed on this interface, and the other end of this coaxial inner conductor is connected and reaches electric connection with this wave guide wall with this first metallic conductor piece; And
The second metallic conductor piece, it is fixed on this sidewall, and its two ends are connected with this roof, this diapire respectively.
2. magnetic-coupled coaxial-waveguide transducer as claimed in claim 1, it is characterized in that: this waveguide is flat waveguide or standard waveguide.
3. magnetic-coupled coaxial-waveguide transducer as claimed in claim 2 is characterized in that: on the direction perpendicular to the center line of this waveguide, the length of this first metallic conductor piece is 16.4mm.
4. magnetic-coupled coaxial-waveguide transducer as claimed in claim 2 or claim 3 is characterized in that: on the direction perpendicular to the center line of this waveguide, the length of this second metallic conductor piece is 8.4mm.
5. magnetic-coupled coaxial-waveguide transducer as claimed in claim 4, it is characterized in that: on the direction of the center line that is parallel to this waveguide, the length of this coaxial inner conductor is 2.1mm.
6. magnetic-coupled coaxial-waveguide transducer as claimed in claim 1, it is characterized in that: this waveguide is ridge waveguide, this roof formation passage that caves inward, and this ridge waveguide is symmetrical structure with its center line, this the first metallic conductor piece is followed a side that is recessed to form stairstepping thereby extends to depression along the roof of this ridge waveguide, and accommodates this second metallic conductor piece in the opposite flank of depression.
7. magnetic-coupled coaxial-waveguide transducer as claimed in claim 6 is characterized in that: on the direction perpendicular to the center line of this waveguide, this first metallic conductor piece is 8.9mm in the length of concave bottom, and is 7.5mm in the length of depression one side.
8. magnetic-coupled coaxial-waveguide transducer as described in claim 6 or 7 is characterized in that: on the direction perpendicular to the center line of this waveguide, the length of this second metallic conductor piece is 8.4mm.
9. magnetic-coupled coaxial-waveguide transducer as claimed in claim 8, it is characterized in that: on the direction of the center line that is parallel to this waveguide, the length of this coaxial inner conductor is 2.1mm.
10. magnetic-coupled coaxial-waveguide transducer as claimed in claim 1, it is characterized in that: this interface is borehole structure, and this interface is coaxial with this coaxial inner conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006748 CN203013908U (en) | 2013-01-07 | 2013-01-07 | Magnetic-coupled coaxial waveguide converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320006748 CN203013908U (en) | 2013-01-07 | 2013-01-07 | Magnetic-coupled coaxial waveguide converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013908U true CN203013908U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320006748 Expired - Lifetime CN203013908U (en) | 2013-01-07 | 2013-01-07 | Magnetic-coupled coaxial waveguide converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013908U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104813536A (en) * | 2013-08-23 | 2015-07-29 | 华为技术有限公司 | Coaxial waveguide converter |
| CN106910969A (en) * | 2017-04-25 | 2017-06-30 | 四川省韬光通信有限公司 | A kind of Medium Wave Guide coupled structure and multistage dielectric waveguide filter |
-
2013
- 2013-01-07 CN CN 201320006748 patent/CN203013908U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104813536A (en) * | 2013-08-23 | 2015-07-29 | 华为技术有限公司 | Coaxial waveguide converter |
| US9972881B2 (en) | 2013-08-23 | 2018-05-15 | Huawei Technologies Co., Ltd. | Coaxial line-to-waveguide adapter comprising a left-handed material used as an electromagnetic parameter adjusting component |
| CN106910969A (en) * | 2017-04-25 | 2017-06-30 | 四川省韬光通信有限公司 | A kind of Medium Wave Guide coupled structure and multistage dielectric waveguide filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |