CN106532213A - Millimeter wave parallel-type waveguide coaxial conversion device - Google Patents
Millimeter wave parallel-type waveguide coaxial conversion device Download PDFInfo
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- CN106532213A CN106532213A CN201610929377.4A CN201610929377A CN106532213A CN 106532213 A CN106532213 A CN 106532213A CN 201610929377 A CN201610929377 A CN 201610929377A CN 106532213 A CN106532213 A CN 106532213A
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- Prior art keywords
- wave
- guide cavity
- inner wire
- hole
- run
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced with unbalanced lines or devices
- H01P5/103—Hollow-waveguide/coaxial-line transitions
Abstract
The invention relates to a waveguide coaxial conversion device, in particular to a millimeter wave parallel-type waveguide coaxial conversion device. The millimeter wave parallel-type waveguide coaxial conversion device comprises a coaxial connector, an inner conductor and a waveguide cavity, wherein a cylindrical hollow cavity which penetrates through two ends of the waveguide cavity is arranged in the waveguide cavity; multiple stages of steps are arranged on one inner side surface of the waveguide cavity; the step crossing the central axis of the hollow cavity is provided with a through hole along the direction of the central axis; one end of the inner conductor is fixedly arranged in the coaxial connector and the other end is arranged in the through hole in the waveguide cavity; and the inner conductor is not in contact with the inner wall of the through hole. The millimeter wave parallel-type waveguide coaxial conversion device provided by the invention is small in influence of environmental factors, small in influence on the standing-wave ratio and good in usability, does not need to take measures to prevent excessive graphite dust from remaining in the waveguide cavity and can be normally used in a complicated environment.
Description
Technical field
The present invention relates to a kind of waveguide coaxial connecter device, more particularly to a kind of millimeter wave run-in index waveguide coaxial connecter dress
Put.
Background technology
The coaxial conversion equipment of millimeter waveguide is a kind of microwave device quite varied in millimeter wave frequency band purposes, from millimeter
The test of wave device, to millimeter wave solid state phased array antenna, has extensive application.Weigh the electric finger of waveguide coaxial connecter device
Mark is mainly the voltage standing wave ratio (VSWR) of port, and abbreviation standing-wave ratio, the quality of its standing-wave ratio directly affect the survey of measured device
The work efficiency of examination accuracy or phased array antenna.
The coaxial conversion equipment of millimeter waveguide is divided into the rectilinear ripple of millimeter wave according to the position relationship of coaxial fitting and waveguide
Coaxial conversion equipment and millimeter wave run-in index waveguide coaxial connecter device are led, herein for millimeter wave run-in index waveguide coaxial connecter
Device is studied.The coaxial conversion equipment of this millimeter waveguide generally requires the inner wire of coaxial fitting and waveguide cavities connect
Touch, the mode of contact is inserted into ripple generally using welding or the graphite of the inner wire parcel thin layer in coaxial fitting
Lead the intracavity of matching ladder.Two methods cut both ways, and the method for welding causes the solid reliability of connection of the two, by environmental factorss
Affect little, but due to operation wavelength it is shorter, the inner wire of coaxial fitting and impact of the weld locations of waveguide to standing-wave ratio compared with
Greatly, affect performance.The method simple possible wrapped up using graphite, but need to take measures to prevent unnecessary graphite dust residual ripple
Inner chamber is led, while under vibration at high speed environment, the graphite of intracavity may spill, detritus is formed, is caused bigger harm.
The content of the invention
The technical problem to be solved is for the deficiencies in the prior art, there is provided a kind of millimeter wave run-in index waveguide
Coaxial conversion equipment.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of millimeter wave run-in index waveguide coaxial connecter device, including coaxial fitting, inner wire and wave-guide cavity wave, the ripple
One medial surface on guide cavity body with the cavity in the tubular at its two ends, wave-guide cavity wave arranges multi-stage stairs, crosses hollow
The step of chamber central axis is arranging through hole along the direction of the central axis, and one end of the inner wire is fixedly installed on coaxially
Inside joint, the other end is arranged in the through hole of wave-guide cavity wave, and inner wire is not contacted with the through-hole wall.
Beneficial effects of the present invention：Inner wire one end is fixed on inside coaxial fitting, through hole of the other end in wave-guide cavity wave
Interior, inner wire is not contacted with through-hole wall, is realized and is provided a kind of little by such environmental effects, and the impact to standing-wave ratio is little, makes
With functional, need not take measures to prevent unnecessary graphite dust residual wave-guide cavity wave, the milli that complex environment also normally can be used
Metric wave run-in index waveguide coaxial connecter device.
Further, the other end of the inner wire is suspended in the length in the through hole of wave-guide cavity wave equal to waveguide cavity
The a quarter of bulk wave length.
Using the beneficial effect of above-mentioned further scheme it is：It is suspended in described in wave-guide cavity wave by the other end of inner wire
Length in through hole be equal to wave-guide cavity wave wavelength a quarter realize open circuit short circuit conversion, i.e., the other end end of inner wire with
Not contacting for wave-guide cavity wave, opens a way, and the other end of inner wire realizes electrical connection in the end face of the through hole inlet port, short-circuit,
Offer is realized by the way a kind of little by such environmental effects, the impact to standing-wave ratio is little, and performance is good, need not
Take measures to prevent unnecessary graphite dust residual wave-guide cavity wave, the millimeter wave run-in index waveguide that complex environment also normally can be used is same
Axle conversion equipment.
Further, between the inner surface of the outer surface and through hole of the inner wire vertical dimension be 0.2mm to 0.3mm it
Between.
Using the beneficial effect of above-mentioned further scheme it is：By hanging down between the inner surface of the outer surface and through hole of inner wire
For not contacting for inner wire and wave-guide cavity wave is realized between 0.2mm to 0.3mm, inner wire is not connect straight distance with the through-hole wall
Touch, realize and provide a kind of little by such environmental effects, the impact to standing-wave ratio is little, and performance is good, need not take measures
Unnecessary graphite dust residual wave-guide cavity wave is prevented, the millimeter wave run-in index waveguide coaxial connecter dress that complex environment also normally can be used
Put.
Further, the central axis of the inner wire, coaxial fitting, wave-guide cavity wave and through hole is located along the same line.
Using the beneficial effect of above-mentioned further scheme it is：By in inner wire, coaxial fitting, wave-guide cavity wave and through hole
Heart axis is located along the same line, and the annexation of various pieces is stable, realizes offer one kind and receives such environmental effects little, right
The impact of standing-wave ratio is little, the good millimeter wave run-in index waveguide coaxial connecter device of performance.
Further, the multi-stage stairs and the integrally manufactured molding of wave-guide cavity wave.
Using the beneficial effect of above-mentioned further scheme it is：Step need not be reassembled with wave-guide cavity wave, save processing step,
And inner wire is stable with the annexation of wave-guide cavity wave, offer one kind is provided and receives such environmental effects little, the shadow to standing-wave ratio
Ring little, the good millimeter wave run-in index waveguide coaxial connecter device of performance.
Further, the material of the multi-stage stairs and the separately manufactured molding of wave-guide cavity wave, multi-stage stairs and wave-guide cavity wave
Unanimously, wave-guide cavity wave fixes multi-stage stairs by screw.
Using the beneficial effect of above-mentioned further scheme it is：Step is separately manufactured with wave-guide cavity wave, and material is consistent, passes through
Screw fixes the two, and for general manufacturing condition can also complete little by such environmental effects, the impact to standing-wave ratio is little, usability
The manufacture of millimeter wave run-in index waveguide coaxial connecter device that can be good.
Further, also block up including rear, rear stifled one end connection coaxial fitting, other end connection wave-guide cavity wave are blocked up afterwards
One end is being arranged and the central axis of through hole on the same line first hollow along its center axis direction, and the stifled other end exists afterwards
Along its center axis direction arrange with the central axis of through hole on the same line and it is hollow with described first connect second in
Sky, the first hollow cross-sectional area are more than the second hollow cross-sectional area, and insertion first is hollow and second hollow successively for inner wire,
First it is hollow it is interior fill for fixing the medium of inner wire, inner wire passes through the medium.
Further, the medium is polytetrafluoroethylmaterial material.
Further, the rear stifled screw for passing through insertion coaxial fitting is connected with coaxial fitting one end, and the other end passes through
The packing ring arranged in rear stifled one end and insertion packing ring and rear stifled mode connects for screw are in wave-guide cavity wave.
Using the beneficial effect of above-mentioned further scheme it is：Block up afterwards and be connected between coaxial fitting and wave-guide cavity wave, to same
Shaft coupling acts the effect of being fixedly connected with wave-guide cavity wave, while rear block up interior medium inner conductors fixation, it is ensured that the present invention
Also normally can use in complex environment.
Further, described second is hollow consistent with the shape of through hole.
Using the beneficial effect of above-mentioned further scheme it is：Second hollow inner conductors consistent with the shape of through hole rise to be fixed
Effect, it is ensured that the present invention also normally can be used in complex environment.
Description of the drawings
Fig. 1 is a kind of indulges cross-sectional schematic of millimeter wave run-in index waveguide coaxial connecter device described in the embodiment of the present invention；
In accompanying drawing, the list of parts representated by each label is as follows：
1st, wave-guide cavity wave, 2, rear stifled, 3, inner wire, 4, coaxial fitting.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
The embodiment of the present invention provides a kind of millimeter wave run-in index waveguide coaxial connecter device.
As shown in figure 1, a kind of millimeter wave run-in index waveguide coaxial connecter device, including coaxial fitting 4, inner wire 3 and ripple
Guide cavity body 1, a medial surface on the wave-guide cavity wave 1 with the cavity in the tubular at its two ends, wave-guide cavity wave 1 arrange many
Level step, crosses the step of middle cavity central axis arranging through hole along the direction of the central axis, described in inner wire 3 in lead
One end of body 3 is fixedly installed on inside coaxial fitting 4, and the other end is arranged in the through hole of wave-guide cavity wave 1, inner wire 3 with
The through-hole wall is not contacted.
Specifically, a kind of millimeter wave run-in index waveguide coaxial connecter device, including coaxial fitting 4, inner wire 3 and waveguide cavity
Body 1, has the cavity in the tubular at its two ends on the wave-guide cavity wave 1, in the tubular cavity be cavity in cylinder barrel shaped,
Cavity in cavity or other tubulars in the hollow chamber of long square tube shape, square cylinder, a medial surface of wave-guide cavity wave 1 arrange two grades of platforms
Rank or three-level step or multi-stage stairs, it is preferable that be set to two stage steps, cross the step of middle cavity central axis along this
The direction of central axis arranges through hole, and one end of the inner wire 3 is fixedly installed on inside coaxial fitting 4 in a conventional manner,
Realize the connection of inner wire 3 and coaxial fitting 4, the other end is arranged in the through hole of wave-guide cavity wave 1, inner wire 3 it is another
End between one end of the through hole and the other end, one end of the through hole near 4 direction of coaxial fitting, the through hole it is another
End is near 1 direction of wave-guide cavity wave, it is preferable that the other end of the other end of inner wire 3 near the through hole.3 inner wire 3 of inner wire
Do not contact with the through-hole wall, i.e. the other end end of inner wire 3 and not contacting for wave-guide cavity wave 1, open a way, inner wire 3
The other end realizes electrical connection in the end face of the through hole inlet port, and 3 inner wire of short-circuit inner wire, 3 wave-guide cavity wave 1 is led in realization
The electrical connection of body 3 and through hole.The shape of inner wire 3 could be arranged to cylindrical or the square bodily form or cuboid, preferably
Ground, inner wire 3 are set to cylindrical.
There is on wave-guide cavity wave 1 cavity in the tubular at its two ends, the hollow intracavity of tubular is in addition to stepped portions in remaining
Cavity using conventional material filling, a kind of millimeter wave run-in index waveguide coaxial connecter device described in the embodiment of the present invention it is same
4 top jointing of shaft coupling, the connection waveguide of 1 bottom of wave-guide cavity wave.
3 one end of inner wire is fixed on inside coaxial fitting 4, the other end in the through hole of wave-guide cavity wave 1, inner wire 3 with it is logical
Hole inwall is not contacted, and is realized and is provided a kind of little by such environmental effects, and the impact to standing-wave ratio is little, and performance is good, nothing
Need to take measures to prevent unnecessary graphite dust residual wave-guide cavity wave 1, the millimeter wave run-in index ripple that complex environment also normally can be used
Lead coaxial conversion equipment.
The other end of the inner wire 3 is suspended in the length in the through hole of wave-guide cavity wave 1 equal to 1 wavelength of wave-guide cavity wave
3 wave-guide cavity wave 1 of a quarter inner wire.
Specifically, the shape of the inner wire 3 can be consistent with the shape of through hole, it is also possible to inconsistent, the inner wire 3
The other end be suspended in the length in the through hole of wave-guide cavity wave 1 equal to 1 wavelength of wave-guide cavity wave a quarter.
Length in the through hole of wave-guide cavity wave 1 is suspended in equal to 1 wavelength of wave-guide cavity wave by the other end of inner wire 3
A quarter realize open circuit short circuit conversion, i.e. the other end end of inner wire 3 and not contacting for wave-guide cavity wave 1, open a way, inside lead
The other end of body 3 realizes electrical connection in the end face of the through hole inlet port, short-circuit, by the way 3 waveguide cavity of inner wire
It is a kind of by such environmental effects that 3 inner wire of body 1 inner wire, 3 wave-guide cavity wave, 1 inner wire, 3 inner wire, 3 wave-guide cavity wave 1 realizes offer
Little, the impact to standing-wave ratio is little, and performance is good, need not take measures to prevent unnecessary graphite dust residual wave-guide cavity wave 1, multiple
The millimeter wave run-in index waveguide coaxial connecter device that heterocycle border also normally can use.
Between the inner surface of the outer surface and through hole of the inner wire 3, vertical dimension is between 0.2mm to 0.3mm.
Specifically, the shape of the inner wire 3 can be consistent with the shape of through hole, it is also possible to inconsistent, inner wire 33
Between each face of inner surface of each face of outer surface and through hole, vertical dimension is between 0.2mm to 0.3mm.Vertical dimension is less than
During 0.2mm, due to existing production technology problem, the central axis of inner wire 3 is with the central axis of wave-guide cavity wave 1 not with always
On line, it is likely to result in inner wire 3 and contacts with through hole；When vertical dimension is more than 0.3mm, a medial surface of wave-guide cavity wave 1 cannot
Multi-stage stairs are set.The operating frequency of the millimeter wave run-in index waveguide coaxial connecter device of above-mentioned distance in wave-guide cavity wave 1
Function admirable in the range of 10%.
It is that realization is interior between 0.2mm to 0.3mm by vertical dimension between the inner surface of the outer surface and through hole of inner wire 3
Conductor 3 is not contacted with wave-guide cavity wave 1, and inner wire 3 is not contacted with the through-hole wall, 3 inner wire of inner wire, 3 wave-guide cavity wave 1
3 inner wire of inner wire, 3 inner wire, 3 wave-guide cavity wave 1 realizes offer one kind and receives such environmental effects little, the impact to standing-wave ratio
Little, performance is good, need not take measures to prevent unnecessary graphite dust residual wave-guide cavity wave 1, complex environment from also normally can make
Millimeter wave run-in index waveguide coaxial connecter device.
The central axis of the inner wire 3, coaxial fitting 4, wave-guide cavity wave 1 and through hole is located along the same line.
It is located along the same line by the central axis of inner wire 3, coaxial fitting 4, wave-guide cavity wave 1 and through hole, each portion
The annexation divided is stable, realizes and provides a kind of little by such environmental effects, and the impact to standing-wave ratio is little, and performance is good
Millimeter wave run-in index waveguide coaxial connecter device.
The multi-stage stairs and 1 integrally manufactured molding of wave-guide cavity wave.
The multi-stage stairs in a kind of millimeter wave run-in index waveguide coaxial connecter device and waveguide described in the embodiment of the present invention
1 integrally manufactured molding of cavity.
Step need not be reassembled with wave-guide cavity wave 1, save processing step, and the annexation of inner wire 3 and wave-guide cavity wave 1
It is stable, realize and provide a kind of little by such environmental effects, the impact to standing-wave ratio is little, and the good millimeter wave of performance is parallel
Formula waveguide coaxial connecter device.
The multi-stage stairs and 1 separately manufactured molding of wave-guide cavity wave, multi-stage stairs are consistent with the material of wave-guide cavity wave 1, ripple
Guide cavity body 1 fixes multi-stage stairs by screw.
The present invention also provides other embodiment, and other embodiment differs only in described one kind with the embodiment of the present invention
Multi-stage stairs in millimeter wave run-in index waveguide coaxial connecter device and 1 separately manufactured molding of wave-guide cavity wave, multi-stage stairs and ripple
The material of guide cavity body 1 is consistent, and wave-guide cavity wave 11 fixes multi-stage stairs by screw.
Step is separately manufactured with wave-guide cavity wave 1, and material is consistent, fixes the two by screw, for general manufacturing condition
Can also complete little by such environmental effects, the impact to standing-wave ratio is little, the good millimeter wave run-in index Waveguide coaxial of performance
The manufacture of conversion equipment.
A kind of millimeter wave run-in index waveguide coaxial connecter device also includes rear stifled 2, rear stifled 2 one end connection coaxial fitting
4, other end connection wave-guide cavity wave 1 blocks up 2 one end in the central axis along the setting of its center axis direction and through hole afterwards with always
On line first is hollow, blocks up 2 other ends afterwards and is arranging with the central axis of through hole on the same line along its center axis direction
And it is hollow with described first connect it is second hollow, the first hollow cross-sectional area is more than the second hollow cross-sectional area, inside leads
Insertion first is hollow and second hollow successively for body 3, first it is hollow it is interior fill for fixing the medium of inner wire 3, inner wire 3 is worn
Cross the medium.
Specifically, first it is hollow and second it is hollow be set to cylinder barrel shaped, square cylinder, long square tube shape or other tubulars,
Preferably, first it is hollow and second it is hollow be set to cylinder barrel shaped, one end of inner wire 3 is fixed on inside coaxial fitting 4, inside leads
The other end of body 3 block up after insertion successively 2 first is hollow and the second hollow through hole for reaching wave-guide cavity wave 1 in, it is hollow first
Inside fill for fixing the medium of inner wire 3, inner wire 3 passes through the medium, and the medium is glass sintering terminal.
The medium is polytetrafluoroethylmaterial material.
After described, stifled 2 are connected with 4 one end of coaxial fitting by the screw of insertion coaxial fitting 4, and the other end is by blocking up 2 rear
The packing ring and insertion packing ring and rear stifled 2 mode connects for screw of one end setting is in wave-guide cavity wave 1.
Specifically, described rear stifled 2 are connected with 4 one end of coaxial fitting by two screws of insertion coaxial fitting 4, and connection is same
Shaft coupling 4 is M1.6mm (millimeter) * 3mm with rear stifled 2 screw specification, and rear stifled 2 other end is by setting in rear stifled 2 one end
Two packing rings put and insertion packing ring and rear stifled 2 two mode connects for screw connect wave-guide cavity wave 1 with rear stifled 2 in wave-guide cavity wave 1
Screw specification is M2mm*5mm.
Block up 2 afterwards to be connected between coaxial fitting 4 and wave-guide cavity wave 1, to coaxial fitting 4 and wave-guide cavity wave, 1 is fixedly connected
Effect, while 3 fixations of medium inner conductors blocked up in 2 afterwards, it is ensured that the present invention also normally can be used in complex environment.
Described second is hollow consistent with the shape of through hole.Second hollow 3 fixations of inner conductors consistent with the shape of through hole
Effect, it is ensured that the present invention also normally can be used in complex environment.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of millimeter wave run-in index waveguide coaxial connecter device, it is characterised in that including coaxial fitting (4), inner wire (3) and
Wave-guide cavity wave (1), has the cavity in the tubular at its two ends, an inner side of wave-guide cavity wave (1) on the wave-guide cavity wave (1)
Face arranges multi-stage stairs, and the step for crossing middle cavity central axis is arranging through hole, inner wire along the direction of the central axis
(3) one end of the inner wire (3) is fixedly installed on coaxial fitting (4) inside, and the other end is arranged on the described of wave-guide cavity wave (1)
In through hole, inner wire (3) is not contacted with the through-hole wall.
2. millimeter wave run-in index waveguide coaxial connecter device according to claim 1, it is characterised in that the inner wire
(3) other end wave-guide cavity wave (1) is suspended in the length in the through hole of wave-guide cavity wave (1) equal to wave-guide cavity wave (1) wavelength
A quarter.
3. millimeter wave run-in index waveguide coaxial connecter device according to claim 2, it is characterised in that the inner wire
(3) between outer surface and the inner surface of through hole, vertical dimension is between 0.2mm to 0.3mm.
4. the millimeter wave run-in index waveguide coaxial connecter device according to any one of Claims 2 or 3, it is characterised in that institute
The central axis for stating inner wire (3), coaxial fitting (4), wave-guide cavity wave (1) and through hole is located along the same line.
5. millimeter wave run-in index waveguide coaxial connecter device according to claim 4, it is characterised in that the multi-stage stairs
With the integrally manufactured molding of wave-guide cavity wave (1).
6. millimeter wave run-in index waveguide coaxial connecter device according to claim 4, it is characterised in that the multi-stage stairs
With the separately manufactured molding of wave-guide cavity wave (1), multi-stage stairs are consistent with the material of wave-guide cavity wave (1), and wave-guide cavity wave (1) is by screw
Fixed multi-stage stairs.
7. the millimeter wave run-in index waveguide coaxial connecter device according to claim 5 or 6 any one, it is characterised in that also
Including rear stifled (2), rear stifled (2) one end connection coaxial fitting (4), other end connection wave-guide cavity wave (1) block up (2) one end afterwards
Arranging and the central axis of through hole on the same line first hollow along its center axis direction, stifled (2) other end exists afterwards
Along its center axis direction arrange with the central axis of through hole on the same line and it is hollow with described first connect second in
Sky, the first hollow cross-sectional area be more than the second hollow cross-sectional area, inner wire (3) successively insertion first it is hollow and second in
Sky, first it is hollow it is interior fill for fixing the medium of inner wire (3), inner wire (3) is through the medium.
8. millimeter wave run-in index waveguide coaxial connecter device according to claim 7, it is characterised in that the medium is poly-
Tetrafluoroethene material.
9. millimeter wave run-in index waveguide coaxial connecter device according to claim 8, it is characterised in that after described stifled (2)
It is connected with coaxial fitting (4) one end by the screw of insertion coaxial fitting (4), the other end is by rear stifled (2) one end setting
The mode connects for screw of packing ring and insertion packing ring and rear stifled (2) is in wave-guide cavity wave (1).
10. millimeter wave run-in index waveguide coaxial connecter device according to claim 9, it is characterised in that in described second
It is empty consistent with the shape of through hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610929377.4A CN106532213B (en) | 2016-10-31 | 2016-10-31 | A kind of millimeter wave run-in index waveguide coaxial connecter device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929377.4A CN106532213B (en) | 2016-10-31 | 2016-10-31 | A kind of millimeter wave run-in index waveguide coaxial connecter device |
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| Publication Number | Publication Date |
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| CN106532213A true CN106532213A (en) | 2017-03-22 |
| CN106532213B CN106532213B (en) | 2019-05-31 |
Family
ID=58292069
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| CN112713371A (en) * | 2020-12-10 | 2021-04-27 | 北京无线电测量研究所 | Waveguide filter and use method thereof |
| JP7053005B2 (en) | 2018-02-06 | 2022-04-12 | 株式会社雄島試作研究所 | Coaxial switch and waveguide switch |
| CN114552156A (en) * | 2022-03-21 | 2022-05-27 | 北京星英联微波科技有限责任公司 | Termination spread spectrum waveguide coaxial converter |
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|---|---|
| CN106532213B (en) | 2019-05-31 |
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