CN205680653U - High power truncation type microwave output window - Google Patents
High power truncation type microwave output window Download PDFInfo
- Publication number
- CN205680653U CN205680653U CN201620587395.4U CN201620587395U CN205680653U CN 205680653 U CN205680653 U CN 205680653U CN 201620587395 U CN201620587395 U CN 201620587395U CN 205680653 U CN205680653 U CN 205680653U
- Authority
- CN
- China
- Prior art keywords
- window
- matching transition
- output
- waveguide
- dielectric disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007704 transition Effects 0.000 claims abstract description 60
- 230000001629 suppression Effects 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000000280 densification Methods 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 208000034423 Delivery Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Landscapes
- Waveguide Aerials (AREA)
Abstract
The utility model discloses high power truncation type microwave output window, including the input square wave guide sequentially connected, input matching transition waveguide, drum dielectric disk in window, output matching transition waceguide, output circular waveguide, the longitudinal section of described drum dielectric disk in window is shaped as I shape, the side of I shape connects with input matching transition waveguide, and it is carved with multiple groove in this side, opposite side connects with output matching transition waceguide, and the input matching transition waveguide inwall near drum dielectric disk in window is provided with field suppression ring.This utility model uses field suppression ring structure at the input face of drum dielectric disk in window, can be effectively improved power capacity.By adjusting input matching transition waveguide, field suppression ring, drum dielectric disk in window and the dimensional parameters of output matching transition waceguide, the high efficiency microwave transmission inputting square wave guide to output circular waveguide can be realized, there is densification and the feature of high-peak power capacity, it is adaptable to the partition in microwave feeder system and sealing under high power conditions.
Description
Technical field
This utility model belongs to High-Power Microwave technical field, particularly High-Power Microwave transmission and radiotechnology field,
Specifically, high power truncation type microwave output window is related to.
Background technology
Output window is accompanied by the appearance of microwave device and is born, to device and the power capacity of system, high frequency characteristics,
Reliability and service life have material impact.It acts primarily as two aspect effects in the application of microwave electron tube: a side
Face completes the sealing of vacuum or gas；On the other hand ensure the regular transmission of the relatively low reflection of microwave, thus reach electromagnetic wave energy
The effect of normal delivery.Microwave output window is widely used in all kinds of microwave electron tube, as high-power klystron, gyrotron,
Travelling-wave tubies etc., are High-Power Microwave electron tube, accelerator and the critical component of other High-Power Microwave electronic systems, are micro-
One of critical component of wave system system.
Along with system peak power and the increase of mean power, the performance of microwave output window is had higher requirement.
Existing microwave output window is optimized at aspects such as reliability, bandwidth, heat dispersion, output mode and efficiency and improves,
But the size of these output windows is the biggest, it is impossible to meet the application demand of high power capacity and densification simultaneously.
Utility model content
The purpose of this utility model is to provide high power truncation type microwave output window, solves existing microwave output window chi
Very little the biggest, it is impossible to meet the demand of the application demand of high power capacity and densification simultaneously.Meeting high power capacity
It is simultaneously achieved the compact designed of window, can be used for the partition in microwave feeder system and sealing under high power conditions.By
Output window uses truncation structure, the homogenization of window field strength distribution can be realized, contribute to output window and obtain under reduced size
Higher power capacity, and then realize the densification of its structure；Meanwhile, have employed I shape window structure, can effectively suppress
Secondary-emission multipbcation at three phase point, thus improve the power capacity of medium window.
To achieve these goals, the technical solution adopted in the utility model is as follows:
High power truncation type microwave output window, including the input square wave guide sequentially connected, input matching transition waveguide, drum
Dielectric disk in window, output matching transition waceguide, output circular waveguide, the longitudinal section of described drum dielectric disk in window is shaped as I shape, work
The side of font connects with input matching transition waveguide, and is carved with multiple groove in this side, opposite side and output matching little bellow
Leading and connect, the input matching transition waveguide inwall near drum dielectric disk in window is provided with field suppression ring.
Input face at drum dielectric disk in window uses field suppression ring structure, can be effectively improved power capacity.By adjusting
Input matching transition waveguide, field suppression ring, drum dielectric disk in window and the dimensional parameters of output matching transition waceguide, it is possible to achieve defeated
Enter the square wave guide high efficiency microwave transmission to output circular waveguide.
Specifically, described input square wave guide, input matching transition waveguide, drum dielectric disk in window, output matching transition waceguide,
Output circular waveguide is coaxial.
Further, it is additionally provided with seal groove between described input matching transition waveguide and drum dielectric disk in window.Described sealing
Groove is annular seal groove.The hermetic seal of input and output can be realized by seal groove and drum dielectric disk in window.
For the sealing function of perfect tightness groove, it is also associated with in the input matching transition waveguide near drum dielectric disk in window
Outer wall, in drum dielectric disk in window is laterally connected to together with input matching transition waveguide by this outer wall, and the other end of this outer wall
Contact with output matching transition waceguide and detachably.
Yet further, input matching transition waveguide and output matching transition waceguide are rectangular waveguide.
It addition, described groove is located on the medial surface of drum dielectric disk in window, and set in the tangential direction of drum dielectric disk in window
Put.
The beneficial effects of the utility model are:
This utility model uses field suppression ring structure at the input face of drum dielectric disk in window, can be effectively improved power and hold
Amount.Joined by the size adjusting input matching transition waveguide, field suppression ring, drum dielectric disk in window and output matching transition waceguide
Number, it is possible to achieve input square wave guide, to the high efficiency microwave transmission of output circular waveguide, has densification and high-peak power capacity
Feature, it is adaptable to the partition in microwave feeder system and sealing under high power conditions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model (after mid-sectional).
Fig. 2 is cross section view of the present utility model.
Fig. 3 is the A-A cross section view of Fig. 2.
Fig. 4 is the numerical simulation result-reflectivity curve of the present invention-embodiment.
Fig. 5 is the numerical simulation result-ceramic ring surface field of the present invention-embodiment.
Wherein, the parts that in accompanying drawing, labelling is corresponding are entitled:
1 input square wave guide, 2 input matching transition waveguides, 3 suppression rings, 4 seal grooves, 5 drum medium windows
Sheet, 6 output matching transition waceguides, 7 output circular waveguides.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.Embodiment of the present utility model includes
But it is not limited to the following example.
Embodiment
As Figure 1-3, high power truncation type microwave output window, mainly by input square wave guide 1, input matching transition waveguide
2, field suppression ring 3, seal groove 4, drum dielectric disk in window 5, output matching transition waceguide 6, output circular waveguide 7 form, and input square wave
Lead 1 to connect with drum dielectric disk in window 5 through input matching transition waveguide 2, then be connected to output circle by output matching transition waceguide 6
Waveguide 7, each structure is the most coaxial.
Input face at drum dielectric disk in window 5 uses field suppression ring 3 structure, can be effectively improved power capacity.By adjusting
Whole input matching transition waveguide 2, field suppression ring 3, drum dielectric disk in window 5 and the dimensional parameters of output matching transition waceguide 6, permissible
Realize the input square wave guide 1 high efficiency microwave transmission to output circular waveguide 7.Can be real by seal groove 4 and drum dielectric disk in window 5
The hermetic seal of existing input and output.
In the present embodiment, input square wave guide 1 transits directly to input matching transition waveguide 2, and input square wave guide 1 size
Less than input matching transition waveguide 2, input matching transition waveguide 2 transits directly to drum dielectric disk in window 5, and input matching transition
Waveguide 2 is smaller in size than drum dielectric disk in window 5；The longitudinal section of drum dielectric disk in window 5 is shaped as I shape, and the side of I shape is with defeated
Entering matching transition waveguide 2 to connect, opposite side connects with output matching transition waceguide 6, and output matching transition waceguide 6 transits directly to
Output circular waveguide 7, and the size of output matching transition waceguide 6 is more than output circular waveguide 7.Input matching transition waveguide 2 is near work
One end of type dielectric disk in window 5 is also associated with outer wall, this outer wall with input matching transition waveguide 2 together with by horizontal for drum dielectric disk in window
In being connected to, and the other end of this outer wall contacts with output matching transition waceguide 6 and detachably.
Input face at drum dielectric disk in window 5 is also carved with multiple groove, and this groove sets in the tangential direction of drum dielectric disk in window
Putting, each groove is isosceles triangle groove, and the cycle of groove is more than 1mm, and cutting region is non-whole of the region that tangential field is bigger, makees
With being to improve window face breakdown threshold, improve power capacity.
In the present embodiment, input matching transition waveguide 2 and output matching transition waceguide 6 are rectangular waveguide.
Field suppression ring 3 is located at the inwall of input matching transition waveguide 2 and near drum dielectric disk in window 5, and seal groove 4 is annular
Seal groove, and be located between input matching transition waveguide 2 and drum dielectric disk in window 5 side, the other end of outer wall and output matching
It also is provided with annular seal groove between transition waceguide 6.
When microwave operational frequencies is 12.5GHz, key dimension parameter is: input square wave guide length of side 16mm, drum medium
Window diameter 44mm, highly 39.4mm, exports circular waveguide diameter 21mm.
As shown in Figure 4,5, numerical simulation result is: in the range of 12-13 5 GHz band, and output window reflection coefficient is less than
0.1, window surface maximum field intensity is 976V/m and is located therein a position, is computed the design power capacity of this hermetyic window about
20MW.The above results shows, this high power truncation type microwave output window has compact conformation, reflects spy little, that power capacity is high
Property.
According to above-described embodiment, this utility model just can be realized well.What deserves to be explained is, based on above-mentioned design principle
On the premise of, for solving same technical problem, though some nothings made on architecture basics disclosed in the utility model
Substantial change or polishing, the essence of the technical scheme used is still as this utility model, therefore it should also be as at this
The protection domain of utility model.
Claims (7)
1. high power truncation type microwave output window, it is characterised in that include input square wave guide, the input matching transition sequentially connected
Waveguide, drum dielectric disk in window, output matching transition waceguide, output circular waveguide, the longitudinal section of described drum dielectric disk in window is shaped as
I shape, the side of I shape connects with input matching transition waveguide, and is carved with multiple groove in this side, opposite side and output
Joining transition waceguide to connect, the input matching transition waveguide inwall near drum dielectric disk in window is provided with field suppression ring.
High power truncation type microwave output window the most according to claim 1, it is characterised in that described input square wave guide, defeated
Enter matching transition waveguide, drum dielectric disk in window, output matching transition waceguide, output circular waveguide coaxial.
High power truncation type microwave output window the most according to claim 1, it is characterised in that described input matching transition ripple
Lead and be additionally provided with seal groove between drum dielectric disk in window.
High power truncation type microwave output window the most according to claim 3, it is characterised in that described seal groove is that annular is close
Sealing groove.
High power truncation type microwave output window the most according to claim 1, it is characterised in that near drum dielectric disk in window
Input matching transition waveguide is also associated with outer wall, and drum dielectric disk in window is laterally blocked together with input matching transition waveguide by this outer wall
In being connected on, and the other end of this outer wall contacts with output matching transition waceguide and detachably.
High power truncation type microwave output window the most according to claim 1, it is characterised in that input matching transition waveguide and
Output matching transition waceguide is rectangular waveguide.
High power truncation type microwave output window the most according to claim 1, it is characterised in that described groove is located at drum medium
On the medial surface of window, and arrange in the tangential direction of drum dielectric disk in window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587395.4U CN205680653U (en) | 2016-06-15 | 2016-06-15 | High power truncation type microwave output window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620587395.4U CN205680653U (en) | 2016-06-15 | 2016-06-15 | High power truncation type microwave output window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205680653U true CN205680653U (en) | 2016-11-09 |
Family
ID=57433837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620587395.4U Expired - Fee Related CN205680653U (en) | 2016-06-15 | 2016-06-15 | High power truncation type microwave output window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205680653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809490A (en) * | 2021-09-27 | 2021-12-17 | 中国科学院空天信息创新研究院 | Packaging assembly for microwave window, welding method and microwave window |
-
2016
- 2016-06-15 CN CN201620587395.4U patent/CN205680653U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809490A (en) * | 2021-09-27 | 2021-12-17 | 中国科学院空天信息创新研究院 | Packaging assembly for microwave window, welding method and microwave window |
| CN113809490B (en) * | 2021-09-27 | 2022-08-30 | 中国科学院空天信息创新研究院 | Packaging assembly for microwave window, welding method and microwave window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105931936B (en) | High power truncation type microwave output window | |
| CN104882652B (en) | A kind of ultra wide band THz wave ripple filter | |
| CN105470075B (en) | A kind of energy coupler suitable for cosine grid loading folded waveguide slow-wave structure | |
| CN202282432U (en) | Waveguide switch | |
| CN108039541B (en) | Compact rectangle TE10Circular waveguide TM01Mode conversion device | |
| CN112615123B (en) | Angular power division waveguide structure applied to medium-loaded gyrotron traveling wave tube | |
| CN202339969U (en) | Rectangular waveguide combiner | |
| CN110177405A (en) | A kind of more microwave source heating systems | |
| CN108550511B (en) | Double-frequency and double-mode gyrotron traveling wave tube input coupler | |
| CN205680653U (en) | High power truncation type microwave output window | |
| CN104868211B (en) | A kind of tunable high power Waveguide bandstop filter | |
| CN106450638B (en) | Compact orthogonal mode coupler | |
| CN103258703B (en) | A kind of microstrip line slow-wave structure | |
| CN108550510B (en) | Gyrotron traveling wave tube input coupler with high electron beam circulation rate | |
| CN112420470B (en) | Four-section type medium loading cyclotron traveling wave tube high-frequency interaction structure | |
| CN109920712A (en) | A kind of rectangular channel double grid slow-wave structure | |
| CN109768354A (en) | A kind of compact circular waveguide TM01Mode excitation device | |
| CN111384597A (en) | Broadband stepped spacer waveguide dual-circular polarizer | |
| CN109148243A (en) | Wideband high-power delivery of energy structure suitable for helix TWT | |
| CN102915898B (en) | Zigzag waveguide slow-wave line | |
| CN108091533B (en) | Double-frequency oscillator | |
| CN203260549U (en) | Microstrip line slow-wave structure | |
| CN110165348A (en) | A kind of high-power millimeter wave TE02Mode filter | |
| CN105225907B (en) | A kind of coaxial window construction of wideband high-power | |
| CN213905572U (en) | Broadband input coupler of Ka-band cyclotron traveling wave amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |