CN206116566U - Waveguide rotary joint - Google Patents
Waveguide rotary joint Download PDFInfo
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- CN206116566U CN206116566U CN201621018239.2U CN201621018239U CN206116566U CN 206116566 U CN206116566 U CN 206116566U CN 201621018239 U CN201621018239 U CN 201621018239U CN 206116566 U CN206116566 U CN 206116566U
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- waveguide
- coaxial
- connecting portion
- rectangular waveguide
- line connecting
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Abstract
The utility model discloses a waveguide rotary joint, it includes a waveguide coaxial convertion ware, the 2nd waveguide coaxial convertion ware, first bearing and second bearing, a waveguide coaxial convertion ware can be dismantled with the 2nd waveguide coaxial convertion ware and be connected, a waveguide coaxial convertion ware includes first spine and first connecting piece, the 2nd waveguide coaxial convertion ware second spine and second connecting piece, the second connecting piece inserts in the first connecting piece, first bearing and second bearing cup joint on the second connecting piece, the connection can be dismantled to first spine and second spine, a waveguide coaxial convertion ware, the 2nd waveguide coaxial convertion ware, first bearing and second bearing are coaxial rotatory. Compare with prior art the utility model has the advantages of having the duplex bearing in the waveguide rotary joint, having improved the concentricity between each waveguide coaxial convertion ware, messenger's work is more stable, can obtain better impedance match, has reduced the loss. This waveguide rotary joint's is stable good, rotatory in -process, and standing wave and insertion loss change for a short time.
Description
Technical field
The utility model is related to technical field of micro communication, and in particular to a kind of waveguide junction.
Background technology
Waveguide junction is interface unit important in microwave communication circuit, and non-rotatable TE10 moulds are converted into can
With the TEM moulds for rotating, waveguide junction is installed between network and feed, it is ensured that antenna can be searched at work constantly
Rope, tracking and measurement target, waveguide junction enables the azimuth of antenna and the angle of pitch to be adjusted.
And traditional waveguide junction existing defects, because between each waveguide of the traditional waveguide junction of composition
Overlapped connection, so, traditional waveguide junction can be bad because of the concentricity between waveguide coaxial converter, and inwall
Restriction and reflect excessive, and cause impedance matching bad, return loss index error, the problems such as signal power loss is big.
In view of drawbacks described above, it is new that the utility model creator obtains this practicality finally through prolonged research and practice
Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is that the utility model provides a kind of ripple
Rotary joint is led including first wave guide coaxial converter, second waveguide coaxial converter, clutch shaft bearing and second bearing, described the
One waveguide coaxial converter is detachably connected with the second waveguide coaxial converter, and the first wave guide coaxial converter includes
First ridge and the first connector, the second waveguide coaxial converter includes the second ridge and the second connector, second connection
Part is inserted in first connector, and the clutch shaft bearing and the second bearing are socketed on second connector, described
First ridge and second ridge are detachably connected, the first wave guide coaxial converter, the second waveguide coaxial converter, institute
State clutch shaft bearing and the coaxial rotation of the second bearing.
Preferably, the first wave guide coaxial converter also includes the first rectangular waveguide, set in first rectangular waveguide
There is first wave guide cavity, the first connector housing is provided with first connector, first ridge includes the first multistage ladder
Portion and the first coaxial line connecting portion, the first multistage end difference is arranged in the first wave guide cavity, and described first is coaxial
Line connecting portion is arranged in first connector housing.
Preferably, the second waveguide coaxial converter also includes the second rectangular waveguide, set in second rectangular waveguide
There is second waveguide cavity, the second connector housing is provided with second connector, second ridge includes the second multistage ladder
Portion and the second coaxial line connecting portion, the second multistage end difference is arranged in the second waveguide cavity, and described second is coaxial
Line connecting portion is arranged in second connector housing, and in second connector the first choke groove is provided with.
Preferably, first rectangular waveguide includes the first rectangular waveguide upper wall and the first rectangular waveguide lower wall, described the
One multistage end difference is detachably connected with the first rectangular waveguide upper wall, and the first multistage end difference is arranged on described first
On the axis of rectangular waveguide upper wall.
Preferably, second rectangular waveguide includes the second rectangular waveguide upper wall and the second rectangular waveguide lower wall, described the
Two multistage end differences and the second rectangular waveguide upper wall are detachably connected, and the second multistage end difference is arranged on described second
On the axis of rectangular waveguide upper wall.
Preferably, the first multistage end difference includes the first ladder, the first coaxial line connecting portion is provided with groove,
First ladder is connected with the first coaxial line connecting portion, and the height of first ladder connects more than first coaxial line
The diameter of socket part.
Preferably, the second multistage end difference includes the second ladder, the second coaxial line connecting portion is provided with projection,
Second ladder is connected with the second coaxial line connecting portion, and the height of second ladder is more than second coaxial line
The diameter of connecting portion, the second coaxial line connecting portion is connected with the first coaxial line connecting portion, and the projection insertion is described
In groove, the projection is electrically connected with the groove, and the second choke groove is provided between the projection and the groove.
Preferably, the first multistage end difference is provided with some end faces parallel to the first rectangular waveguide upper wall,
The first rectangular waveguide lower wall is provided with tuning screw, the tuning screw on the first rectangular waveguide lower wall and described first
Endface position on multistage end difference is corresponded to and quantity is equal.
Preferably, the second multistage end difference is provided with some end faces parallel to the second rectangular waveguide upper wall,
The second rectangular waveguide lower wall is provided with tuning screw, the tuning screw on the second rectangular waveguide lower wall and described second
Endface position on multistage end difference is corresponded to and quantity is equal.
Preferably, the material of first rectangular waveguide and second rectangular waveguide is stainless steel, aluminium or copper.
Compared with the prior art the beneficial effects of the utility model are：A kind of waveguide rotation that the utility model is provided is closed
Section is provided with clutch shaft bearing and second bearing, and clutch shaft bearing and second bearing are arranged between the first connector and the second connector,
The concentricity of the waveguide coaxial converter of composition waveguide junction is which enhanced, the work that waveguide junction is more stable is enable
Make, while more preferable impedance matching can also be obtained, and the effect that loss can be reduced.The waveguide junction is in full band
Wide standing internal wave is less than equal 1.15, and its Insertion Loss in full bandwidth is respectively less than 0.15dB.The good stability of the waveguide junction, can edge
Axis any rotation, during angle change, its standing wave change is less than 0.05, and Insertion Loss change is less than 0.05dB.
Description of the drawings
Technical scheme in order to be illustrated more clearly that each embodiment of the utility model, below will be to institute in embodiment description
The accompanying drawing that needs are used is briefly described.
Fig. 1 is the overlooking the structure diagram of the utility model embodiment one；
Fig. 2 is cross-sectional view of the utility model embodiment one along A-A faces in Fig. 1；
Fig. 3 is cross-sectional view of the utility model embodiment one along B-B faces in Fig. 1.
Specific embodiment
Below in conjunction with accompanying drawing, and technical characteristic and advantage of other above-mentioned to the utility model are described in more detail.
During the description to the utility model technical characteristic, term " length ", " width ", " height ", " on ",
D score, "front", "rear", "left", "right", etc. instruction orientation or position relationship be to be closed based on orientation shown in the drawings or position
System, is for only for ease of description the application and simplifies description, rather than indicates or imply that the device or element of indication must have
Specific orientation, with specific azimuth configuration and operation, therefore the it is not intended that restriction to the application.
Embodiment one
As shown in figure 1, for the overlooking the structure diagram of the utility model embodiment one；As shown in Fig. 2 being the utility model
Cross-sectional view of the embodiment one along A-A faces；As described in Figure 3, it is the cuing open along B-B faces of the utility model embodiment one
Face structural representation.A kind of waveguide junction that the utility model embodiment one is provided, it includes that first wave guide is coaxially changed
Device 1 and second waveguide coaxial converter 2, detachably connect between first wave guide coaxial converter 1 and second waveguide coaxial converter 2
Connect, clutch shaft bearing 3 and second bearing 4 are additionally provided between first wave guide coaxial converter 1 and second waveguide coaxial converter 2, the
One bearing 3 and second bearing 4 it is equivalently-sized.The axis weight of first wave guide coaxial converter 1 and second waveguide coaxial converter 2
Close, first wave guide coaxial converter 1, second waveguide coaxial converter 2, clutch shaft bearing 3 and second bearing 4 coaxial can rotate.
First wave guide coaxial converter 1 includes the first rectangular waveguide 11 and the first connector 12.The He of first rectangular waveguide 11
One end is fixedly connected with the first connector 12, and the other end of the first rectangular waveguide 11 is provided with first flange disk 13.First flange disk 13
It is provided with first wave guide opening 14.First rectangular waveguide 11 includes the first rectangular waveguide upper wall 15 and the first rectangular waveguide lower wall
16, the first rectangular waveguide upper wall 15 and the first rectangular waveguide lower wall 16 are the wide wall of the first rectangular waveguide 11, the first square wave
Lead and be provided with inside 11 first wave guide cavity 17.First wave guide cavity 17 is internally connected with the first ridge, the first ridge and the first square wave
Lead upper wall 15 to be detachably connected by screw, the first ridge is located on the axis of the first rectangular waveguide upper wall 15.First ridge includes
First multistage end difference 19 and the first coaxial line connecting portion 20, the first coaxial line connecting portion 20 is cylindrical, the first multistage ladder
Portion 19 includes the first ladder 21, and the first ladder 21 is fixedly connected with the first coaxial line connecting portion 20, with first on the first ladder 21
More than the diameter of the first coaxial line connecting portion 20, it is advantageous in that the height of the junction of coaxial line connecting portion 20, obtains waveguide
Good impedance matching.First ladder 21 overlaps with the axis of the first coaxial line connecting portion 20.First coaxial line connecting portion 20
It is provided with cylindrical grooves.Along from the direction of the 13 to the first connector of first flange disk 12, the height of the first multistage end difference 19
Degree gradually increases, and has some end faces 22 parallel to the first rectangular waveguide upper wall 15 on the first multistage end difference 19, with end face 22
In the corresponding first rectangular waveguide lower wall 16 of each endface position be provided with tuning screw 23, quantity and the end of tuning screw 23
The quantity in face 22 is identical, and tuning screw 23 is located on the axis of the first rectangular waveguide lower wall 16, and tuning screw 23 runs through the first square
Shape waveguide lower wall 16 simultaneously inserts first wave guide cavity 17.It is advantageous in that：By the regulation of tuning screw 23, obtain can waveguide
Obtain impedance matching well.First coaxial line connecting portion 20 can be matched precisely with the impedance of the first rectangular waveguide 11.
The first connector housing 24 is provided with first connector 12, the first connector housing 24 is cylindrical, the first connection
Part cavity 24 is connected with first wave guide cavity 17, and the multistage end difference 19 of first on the first ridge is located in first wave guide cavity 17,
The first coaxial line connecting portion 20 on first ridge is located in the cavity of the first connector housing 24.The internal diameter of the first connection cavity 24
It is equal with the external diameter of clutch shaft bearing 3.
Second waveguide coaxial converter 2 includes the second rectangular waveguide 31 and the second connector 32.The He of second rectangular waveguide 31
One end is fixedly connected with the second connector 32, and the other end of the second rectangular waveguide 31 is provided with second flange disk 33.Second flange disk 33
It is provided with second waveguide opening 34.Second rectangular waveguide 31 includes the second rectangular waveguide upper wall 35 and the second rectangular waveguide lower wall
36, the second rectangular waveguide upper wall 35 and the second rectangular waveguide lower wall 36 are the wide wall of the second rectangular waveguide 31, the second square wave
Lead and be provided with inside 31 second waveguide cavity 37.Second waveguide cavity 37 is internally connected with the second ridge, the second ridge and the second square wave
Lead upper wall 35 to be detachably connected by screw, the second ridge is located on the axis of the second rectangular waveguide upper wall 35.Second ridge includes
Second multistage end difference 39 and the second coaxial line connecting portion 40,
Second coaxial line connecting portion 40 is cylindrical, and the second multistage end difference 39 includes the second ladder 41, the second ladder 41
It is fixedly connected with the second coaxial line connecting portion 40, is more than with the height of the junction of the second coaxial line connecting portion 40 on the second ladder 41
The diameter of the second coaxial line connecting portion 40, it is advantageous in that, makes waveguide obtain good impedance matching.Second ladder 41 and second
The axis of coaxial line connecting portion 40 overlaps.The one end of second coaxial line connecting portion 40 is provided with cylindric projection.Along from the second method
The direction of the blue connector of disk 33 to the second 32, the height of the second multistage end difference 39 gradually increases, on the second multistage end difference 39
There are some end faces 42 parallel to the second rectangular waveguide upper wall 35, second rectangle corresponding with each endface position in end face 42
Waveguide lower wall 36 is provided with tuning screw 43, and the quantity of tuning screw 43 is identical with the quantity of end face 42, and tuning screw 43 is located at
On the axis of second rectangular waveguide lower wall 36, tuning screw 43 is through the second rectangular waveguide lower wall 36 and inserts second waveguide cavity
37.It is advantageous in that：By the regulation of tuning screw 43, waveguide can be made to obtain good impedance matching.Second coaxial line connects
Socket part 40 can be matched precisely with the impedance of the second rectangular waveguide 31.
The outside of second connector 32 is cylindrical, and the external diameter of the second connector 32 is identical with the internal diameter of clutch shaft bearing 3, and first
Bearing 3 and second bearing 4 are sleeved on the second connector 32, the second connector 32 and be sleeved on the second connector 32 first
Bearing 3 and second bearing 4 are jointly in the first connector housing 24 of insertion so that the first connector 12 and the second connector 32 are removable
Unload connection.The second connector housing 44 is provided with second connector 32, the second connector housing 44 is cylindrical, the second connector
Cavity 44 is connected with second waveguide cavity 37, and the multistage end difference 39 of second on the second ridge is located in second waveguide cavity 37, the
The second coaxial line connecting portion 40 on two ridges is located in the cavity of the second connector housing 44.Second coaxial line connecting portion 40 1
The projection at end inserts the groove on the first coaxial line connecting portion 20, and closely connects.When the one end of the second coaxial line connecting portion 40
When projection inserts the groove on the first coaxial line connecting portion 20, the projection and the first coaxial line of the one end of the second coaxial line connecting portion 40
Groove on connecting portion 20 does not physically contact connection, and the projection of the one end of the second coaxial line connecting portion 40 is connected with the first coaxial line
The second choke groove 80, the projection of the one end of the second coaxial line connecting portion 40 and the first coaxial line connecting portion are provided between the groove in portion 20
Groove on 20 is electrically connected by the second choke groove 80.First coaxial line connecting portion 20 is inserted in the second connector housing 44.
First coaxial line connecting portion 20 and the axis coinciding in the second coaxially connected portion 40.
The first choke groove 70 is additionally provided with second connector 32, in the first choke groove 70, the first connector 12 and second
Connector 32 is electrically connected, but does not physically contact, and the effect of the first choke groove 70 is to ensure first wave guide coaxial converter 1
With the electrical continuity of second waveguide coaxial converter 2.
Backing plate 5 is provided between clutch shaft bearing 3 and second bearing 4, backing plate 5 is loop configuration.
Pressing plate 6 is detachably connected by screw with the second connector 32, and pressing plate 6 is between the second connector 32 and the first connection
Between part 12, the structure in a ring of pressing plate 6.
First rectangular waveguide 11 and the second rectangular waveguide 31 are made from good conductor material, preferably stainless steel, aluminium or copper,
The higher electrical conductivity of good conductor can reduce the reflection of microwave.
The utility model embodiment one is provided with clutch shaft bearing 3 and second bearing 4, and clutch shaft bearing 3 and second bearing 4 improve
The concentricity of the waveguide coaxial converter of composition waveguide junction, so as to more stable work, while can also obtain more preferably
Impedance matching, and reduce loss.
The utility model embodiment one provide a kind of waveguide junction full bandwidth standing internal wave be less than equal 1.15, its
Insertion Loss is respectively less than 0.15dB in full bandwidth.The good stability of the waveguide junction, can along axis any rotation,
During angle change, its standing wave change is less than 0.05, and Insertion Loss change is less than 0.05dB.
Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claim is limited
Many changes are carried out, is changed, in addition it is equivalent, but fall within protection domain of the present utility model.
Claims (10)
1. a kind of waveguide junction, it is characterised in that including first wave guide coaxial converter, second waveguide coaxial converter,
Clutch shaft bearing and second bearing, the first wave guide coaxial converter is detachably connected with the second waveguide coaxial converter,
The first wave guide coaxial converter includes the first ridge and the first connector, and the second waveguide coaxial converter includes the second ridge
With the second connector, second connector inserted in first connector, the clutch shaft bearing and the second bearing set
It is connected on second connector, first ridge and second ridge are detachably connected, the first wave guide coaxial converter,
The second waveguide coaxial converter, the clutch shaft bearing and the coaxial rotation of the second bearing.
2. waveguide junction as claimed in claim 1, it is characterised in that the first wave guide coaxial converter also includes the
One rectangular waveguide, is provided with first wave guide cavity in first rectangular waveguide, in first connector the first connector is provided with
Cavity, first ridge includes the first multistage end difference and the first coaxial line connecting portion, and the first multistage end difference is arranged on
In the first wave guide cavity, the first coaxial line connecting portion is arranged in first connector housing.
3. waveguide junction as claimed in claim 2, it is characterised in that the second waveguide coaxial converter also includes the
Two rectangular waveguides, are provided with second waveguide cavity in second rectangular waveguide, in second connector the second connector is provided with
Cavity, second ridge includes the second multistage end difference and the second coaxial line connecting portion, and the second multistage end difference is arranged on
In the second waveguide cavity, the second coaxial line connecting portion is arranged in second connector housing, and described second connects
The first choke groove is provided with fitting.
4. waveguide junction as claimed in claim 3, it is characterised in that first rectangular waveguide includes the first square wave
Upper wall and the first rectangular waveguide lower wall are led, the first multistage end difference is detachably connected with the first rectangular waveguide upper wall,
The first multistage end difference is arranged on the axis of the first rectangular waveguide upper wall.
5. waveguide junction as claimed in claim 4, it is characterised in that second rectangular waveguide includes the second square wave
Upper wall and the second rectangular waveguide lower wall are led, the second multistage end difference and the second rectangular waveguide upper wall are detachably connected,
The second multistage end difference is arranged on the axis of the second rectangular waveguide upper wall.
6. waveguide junction as claimed in claim 5, it is characterised in that the first multistage end difference includes the first rank
Ladder, the first coaxial line connecting portion is provided with groove, and first ladder is connected with the first coaxial line connecting portion, described
Diameter of the height of the first ladder more than the first coaxial line connecting portion.
7. waveguide junction as claimed in claim 6, it is characterised in that the second multistage end difference includes second-order
Ladder, the second coaxial line connecting portion is provided with projection, and second ladder is connected with the second coaxial line connecting portion, described
The height of the second ladder is more than the diameter of the second coaxial line connecting portion, and the second coaxial line connecting portion is same with described first
Axis connecting portion connects, and the projection is inserted in the groove, and the projection is electrically connected with the groove, the projection and institute
State and be provided between groove the second choke groove.
8. waveguide junction as claimed in claim 7, it is characterised in that the first multistage end difference is provided with some flat
In the end face of the first rectangular waveguide upper wall, the first rectangular waveguide lower wall is provided with tuning screw, first square to row
Tuning screw on shape waveguide lower wall is corresponding with the endface position on the described first multistage end difference and quantity is equal.
9. waveguide junction as claimed in claim 8, it is characterised in that the second multistage end difference is provided with some flat
In the end face of the second rectangular waveguide upper wall, the second rectangular waveguide lower wall is provided with tuning screw, second square to row
Tuning screw on shape waveguide lower wall is corresponding with the endface position on the described second multistage end difference and quantity is equal.
10. the waveguide junction as described in claim 3-9 is arbitrary, it is characterised in that first rectangular waveguide and described
The material of the second rectangular waveguide is stainless steel, aluminium or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018239.2U CN206116566U (en) | 2016-08-30 | 2016-08-30 | Waveguide rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018239.2U CN206116566U (en) | 2016-08-30 | 2016-08-30 | Waveguide rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116566U true CN206116566U (en) | 2017-04-19 |
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ID=58516189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621018239.2U Active CN206116566U (en) | 2016-08-30 | 2016-08-30 | Waveguide rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206116566U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546442A (en) * | 2017-07-27 | 2018-01-05 | 中国船舶重工集团公司第七二四研究所 | A kind of U-shaped waveguide pattern conversion matching process of high power broadband rotary gemel |
| CN111934065A (en) * | 2020-06-30 | 2020-11-13 | 西安空间无线电技术研究所 | Broadband abrasion-resistant circular waveguide rotary joint and design method |
| CN111934066A (en) * | 2020-06-30 | 2020-11-13 | 西安空间无线电技术研究所 | Broadband non-contact circular waveguide rotary joint and design method |
| CN111954452A (en) * | 2020-06-29 | 2020-11-17 | 西安电子科技大学 | Wear-resistant rotatable broadband electromagnetic shielding structure, design method and application |
| CN112290173A (en) * | 2020-10-12 | 2021-01-29 | 盐城市星地通信设备有限公司 | Contact type gapless waveguide rotary joint |
-
2016
- 2016-08-30 CN CN201621018239.2U patent/CN206116566U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546442A (en) * | 2017-07-27 | 2018-01-05 | 中国船舶重工集团公司第七二四研究所 | A kind of U-shaped waveguide pattern conversion matching process of high power broadband rotary gemel |
| CN107546442B (en) * | 2017-07-27 | 2019-10-29 | 中国船舶重工集团公司第七二四研究所 | A kind of U-shaped waveguide pattern conversion matching process of high power broadband rotary gemel |
| CN111954452A (en) * | 2020-06-29 | 2020-11-17 | 西安电子科技大学 | Wear-resistant rotatable broadband electromagnetic shielding structure, design method and application |
| CN111934065A (en) * | 2020-06-30 | 2020-11-13 | 西安空间无线电技术研究所 | Broadband abrasion-resistant circular waveguide rotary joint and design method |
| CN111934066A (en) * | 2020-06-30 | 2020-11-13 | 西安空间无线电技术研究所 | Broadband non-contact circular waveguide rotary joint and design method |
| CN111934066B (en) * | 2020-06-30 | 2022-03-04 | 西安空间无线电技术研究所 | Broadband non-contact circular waveguide rotary joint and design method |
| CN111934065B (en) * | 2020-06-30 | 2022-03-04 | 西安空间无线电技术研究所 | Broadband abrasion-resistant circular waveguide rotary joint and design method |
| CN112290173A (en) * | 2020-10-12 | 2021-01-29 | 盐城市星地通信设备有限公司 | Contact type gapless waveguide rotary joint |
| CN112290173B (en) * | 2020-10-12 | 2021-07-20 | 盐城市星地通信设备有限公司 | Contact type gapless waveguide rotary joint |
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