CN214428595U - X-waveband broadband, low-loss and high-reliability energy transmission system - Google Patents
X-waveband broadband, low-loss and high-reliability energy transmission system Download PDFInfo
- Publication number
- CN214428595U CN214428595U CN202023181402.6U CN202023181402U CN214428595U CN 214428595 U CN214428595 U CN 214428595U CN 202023181402 U CN202023181402 U CN 202023181402U CN 214428595 U CN214428595 U CN 214428595U
- Authority
- CN
- China
- Prior art keywords
- waveguide
- loss
- window
- transmission system
- low
- 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.)
- Active
Links
Images
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses an X wave band broadband, low-loss, high reliable energy transmission system, including output window combination and waveguide combination, output window combination includes the notch cuttype flange, notch cuttype flange bottom is provided with the waveguide section of thick bamboo, waveguide section of thick bamboo bottom is provided with the transition piece, the inside of transition piece is provided with precious stone window piece, the waveguide combination includes linear impedance converter and wave conductor; the X-waveband broadband, low-loss and high-reliability energy transmission system is characterized in that a box-shaped window is arranged to be combined with a linear impedance transformation structure, the linear impedance transformation structure with the gradual change ratio of 1.28 is particularly selected, the aim of widening the working bandwidth is fulfilled, the bandwidth can reach 3GHz, a waveguide cylinder structure with through holes is added to reinforce the energy transmission system, a closed space is avoided, and the heat dissipation and reliability are improved; by arranging the gem window with smaller high-frequency loss and changing the small window structure into the large window structure, the loss can be effectively reduced, the standing-wave ratio is reduced, and the output power capacity is improved.
Description
Technical Field
The utility model relates to a space travelling wave tube energy transmission system technical field specifically is an X wave band broadband, low-loss, high reliable energy transmission system.
Background
The satellite has various purposes, and the development of various careers is powerfully promoted. The space traveling wave tube is used as a core device for microwave power amplification and also occupies a core position in various application satellites. For a space traveling wave tube applied to a satellite, the requirements of output power, gain and various nonlinearities are met, and meanwhile, the reliability of an application condition is ensured. The waveguide energy transmission system is used as a main component of a space traveling wave tube, and the performance of the waveguide energy transmission system directly influences the energy transmission characteristic of the traveling wave tube.
Therefore, on the basis of the prior art and process, it is necessary to design a waveguide energy transmission system with reliable and reasonable structure, wide frequency band, good standing wave, small insertion loss and high reliability. The utility model provides a structural design is reasonable reliable, broadband, low-loss, high reliable X wave band pulse space travelling wave tube energy transmission system. The energy transmission system is simple in assembling and welding process, good in air tightness and heat dissipation, small in standing wave, high in power capacity and high in reliability, the frequency band can reach 3GHz, the application requirements of a high-power pulse space traveling wave tube are met, and the energy transmission system is applied to an X-wave band pulse space traveling wave tube with the peak power larger than 1600W. Adopt this utility model discloses an X wave band 1600W pulse space travelling wave tube of assembly, its full frequency band standing wave of actual measurement is less than 1.25, and in-band power flatness is less than or equal to 0.6dB, and in-band group delay is undulant less than or equal to 2.0ns, satisfies the nonlinear index requirement. Simultaneously, this pipe has accomplished appraisal level vibration, impact test, has verified this utility model and can bear higher power capacity, possesses good anti-vibration impact ability, and the reliability is high.
The prior art has the following defects or problems:
1. the working bandwidth of the existing wave tube energy transmission system is narrow, and the heat dissipation performance of the high energy transmission system is poor;
2. the gem window of the existing wave tube energy transmission system has large high-frequency loss, large standing-wave ratio, small output power capacity and low reliability, and can not meet the application requirements of high-power pulse space traveling wave tubes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the weak point of prior art, provide an X wave band broadband, low-loss, high reliable energy transmission system to solve the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a X wave band broadband, low-loss, high reliable energy transmission system, includes output window combination and waveguide combination, the output window combination includes the notch cuttype flange, notch cuttype flange bottom is provided with the waveguide section of thick bamboo, waveguide bobbin base portion is provided with the transition piece, the inside of transition piece is provided with precious stone window piece, the waveguide combination includes linear impedance converter and waveguide body, the bottom of linear impedance converter is provided with the inner conductor.
As the utility model discloses an optimized technical scheme, the mounting hole has been seted up at the top of notch cuttype flange, the louvre has been seted up to the side of a waveguide section of thick bamboo.
As the utility model discloses a preferred technical scheme, the mounting hole has four groups, and the even top that sets up at the notch cuttype flange of four groups mounting holes.
As the utility model discloses a preferred technical scheme, the louvre has a plurality of groups, and a plurality of groups of louvre evenly sets up in the side of a waveguide section of thick bamboo.
As the utility model discloses a preferred technical scheme, circular through-hole has been seted up to the bottom of wave guide, and the internal diameter size of circular through-hole and the external diameter size phase-match of inner conductor.
As the preferred technical scheme of the utility model, through welded fastening between precious stone window sheet and the transition piece, linear impedance transformer passes through welded fastening with the inner conductor.
Compared with the prior art, the utility model provides a X wave band broadband, low-loss, high reliable energy transmission system possesses following beneficial effect:
1. an X-band broadband, low-loss and high-reliability energy transmission system is characterized in that a box-shaped window is arranged to be combined with a linear impedance transformation structure, the linear impedance transformation structure with the gradual change ratio of 1.28 is particularly selected, the aim of widening the working bandwidth is fulfilled, the bandwidth can reach 3GHz, a waveguide cylinder structure with through holes is added to reinforce the energy transmission system, a closed space is avoided, and the heat dissipation and reliability are improved;
2. an X-waveband broadband, low-loss and high-reliability energy transmission system is characterized in that a jewel window with small high-frequency loss is arranged, and a small window structure is changed into a large window structure, so that the loss can be effectively reduced, the standing-wave ratio is reduced, and the output power capacity is improved.
Drawings
FIG. 1 is a schematic view of the appearance structure of the present invention;
fig. 2 is a schematic view of the stepped flange overlooking structure of the present invention;
FIG. 3 is a schematic view of the stepped flange and waveguide tube assembly of the present invention;
FIG. 4 is a schematic view of the structure of the transition block and the jewel window of the present invention;
fig. 5 is a schematic view of the waveguide assembly structure of the present invention;
fig. 6 is a schematic view of the overall structure of the energy transmission system of the present invention.
Fig. 7 is the utility model discloses defeated energy system's actual measurement standing wave curve graph.
In the figure: 1. combining output windows; 11. a stepped flange; 12. a waveguide tube; 13. a transition block; 14. a gemstone window; 2. combining waveguides; 21. a linear impedance transformer; 22. a waveguide; 23. an inner conductor; 3. mounting holes; 4. and (4) heat dissipation holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, in the present embodiment: the utility model provides a broadband, low loss, high reliable energy transmission system of X wave band, includes output window combination 1 and waveguide combination 2, and output window combination 1 includes notch cuttype flange 11, and notch cuttype flange 11 bottom is provided with waveguide section of thick bamboo 12, and waveguide section of thick bamboo 12 bottom is provided with transition piece 13, and the inside of transition piece 13 is provided with precious stone window piece 14, and waveguide combination 2 includes linear impedance converter 21 and waveguide 22, and the bottom of linear impedance converter 21 is provided with inner conductor 23.
In the embodiment, the top of the stepped flange 11 is provided with the mounting hole 3, the side surface of the waveguide cylinder 12 is provided with the heat dissipation hole 4, the mounting hole 3 facilitates the installation of the waveguide energy transmission system, and the heat dissipation hole 4 is beneficial to the heat dissipation of the energy transmission system; four groups of mounting holes 3 are arranged, the four groups of mounting holes 3 are uniformly arranged at the top of the stepped flange 11, and the four groups of mounting holes 3 which are uniformly arranged enable the mounting of the energy transmission system to be more stable; the heat dissipation holes 4 are provided with a plurality of groups, the heat dissipation holes 4 are uniformly formed in the side surface of the waveguide cylinder 12, and the heat inside the energy transmission system can be better dissipated through the heat dissipation holes 4; the bottom of the waveguide 22 is provided with a circular through hole, and the inner diameter of the circular through hole is matched with the outer diameter of the inner conductor 23, so that the inner conductor 23 can conveniently penetrate through the waveguide 22 and is fixedly connected with the linear impedance converter 21; the gem window piece 14 and the transition block 13 are fixed by welding, the linear impedance converter 21 and the inner conductor 23 are fixed by welding, the welding fixation is firmer, no redundant fixed structure is provided, and the air tightness is better.
The utility model discloses a theory of operation and use flow: the X-waveband broadband, low-loss and high-reliability energy transmission system provided by the utility model is composed of an output window combination 1 and a waveguide combination 2, wherein, the output window combination 1 is added with a waveguide cylinder 12 structure with heat dissipation holes 4 to reinforce the energy transmission system, avoid the closed space, improve the heat dissipation and the reliability of the energy transmission system, adopts the combination of a novel box-shaped window and a linear impedance converter 21, in particular, the linear impedance converter 21 with the gradual change ratio of 1.28 is selected to achieve the purpose of widening the working bandwidth, so that the bandwidth can reach 3GHz, and the gem window 14 with low high-frequency loss is selected, the dielectric constant of the high-power X-wave band pulse space traveling wave tube is 9.4-10, the small window structure is changed into a large window structure capable of covering a full-wave guide port, the diameter ratio is more than 1.78, loss is effectively reduced, standing-wave ratio is reduced, output power capacity is improved, and the high-power X-wave band pulse space traveling wave tube is successfully applied to an X-wave band pulse space traveling wave tube with peak power larger than 1600W at present. The energy transmission system has the advantages of reasonable structural design, good heat dissipation, high reliability, small standing-wave ratio, high power capacity and good air tightness and heat dissipation in the actual use process, and the frequency band can reach 3 GHz.
Adopt the energy transmission system of above-mentioned technical scheme assembly, be applied to X wave band 1600W's pulse space travelling wave tube in, its actual output cold standing wave curve is shown in figure 7, can see from the figure that the broadband that this utility model provided, high power capacity's energy transmission system standing wave all is less than 1.3 within 8-11GHz, and the matching is better, and stability is better, and the reliability is higher. The nonlinear index of the tube is tested, the power flatness in the tube band is less than or equal to 0.6dB, the group delay fluctuation in the band is 1.25ns and less than 2.0ns, and the requirement of the nonlinear index can be met. Simultaneously, this pipe has accomplished appraisal level vibration, impact test, has verified this utility model and can bear higher power capacity, possesses good anti-vibration impact ability, and the reliability is high.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An X-band broadband, low-loss and high-reliability energy transmission system is characterized in that: including output window combination (1) and waveguide combination (2), output window combination (1) includes notch cuttype flange (11), notch cuttype flange (11) bottom is provided with waveguide section of thick bamboo (12), waveguide section of thick bamboo (12) bottom is provided with transition piece (13), the inside of transition piece (13) is provided with precious stone window piece (14), waveguide combination (2) are including linear impedance converter (21) and waveguide body (22), the bottom of linear impedance converter (21) is provided with inner conductor (23).
2. The X-band broadband, low-loss, high-reliability energy delivery system of claim 1, wherein: mounting holes (3) are formed in the top of the stepped flange (11), and heat dissipation holes (4) are formed in the side face of the waveguide cylinder (12).
3. The X-band broadband, low-loss, high-reliability energy delivery system of claim 2, wherein: the mounting holes (3) are four groups, and the four groups of mounting holes (3) are uniformly arranged at the top of the stepped flange (11).
4. The X-band broadband, low-loss, high-reliability energy delivery system of claim 2, wherein: the radiating holes (4) are provided with a plurality of groups, and the radiating holes (4) are uniformly arranged on the side surface of the waveguide cylinder (12).
5. The X-band broadband, low-loss, high-reliability energy delivery system of claim 1, wherein: the bottom of the waveguide body (22) is provided with a circular through hole, and the inner diameter of the circular through hole is matched with the outer diameter of the inner conductor (23).
6. The X-band broadband, low-loss, high-reliability energy delivery system of claim 1, wherein: the gem window sheet (14) and the transition block (13) are fixed through welding, and the linear impedance converter (21) and the inner conductor (23) are fixed through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023181402.6U CN214428595U (en) | 2020-12-25 | 2020-12-25 | X-waveband broadband, low-loss and high-reliability energy transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023181402.6U CN214428595U (en) | 2020-12-25 | 2020-12-25 | X-waveband broadband, low-loss and high-reliability energy transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214428595U true CN214428595U (en) | 2021-10-19 |
Family
ID=78053729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023181402.6U Active CN214428595U (en) | 2020-12-25 | 2020-12-25 | X-waveband broadband, low-loss and high-reliability energy transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214428595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395190A (en) * | 2022-09-23 | 2022-11-25 | 上海嘉煜康科技发展有限公司 | C-waveband low-loss high-power sealing window |
-
2020
- 2020-12-25 CN CN202023181402.6U patent/CN214428595U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115395190A (en) * | 2022-09-23 | 2022-11-25 | 上海嘉煜康科技发展有限公司 | C-waveband low-loss high-power sealing window |
| CN115395190B (en) * | 2022-09-23 | 2024-03-19 | 上海嘉煜康科技发展有限公司 | C-band low-loss high-power sealing window |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113113279B (en) | Cosine grid loading sine-like waveguide slow wave structure | |
| CN1925211A (en) | Half-modular substrate integral wave guide filter | |
| CN109639243B (en) | F-class power amplifier based on coupling loop resonant network | |
| CN214428595U (en) | X-waveband broadband, low-loss and high-reliability energy transmission system | |
| CN113517527A (en) | Single-sided double-ridge double-probe waveguide power divider, power combiner and synthesis method | |
| CN106532218A (en) | High-power rectangular waveguide bidirectional coupler | |
| CN109560360A (en) | A kind of directional coupler | |
| CN101826648A (en) | Waveguide-based power combiner | |
| CN210668638U (en) | Wide-edge double-row porous coupling W-band all-band directional coupler | |
| CN109638403B (en) | Dual-mode compact type over-mode directional coupler | |
| CN100412584C (en) | Substrate integrated waveguide quasi-sensitive window filter | |
| CN200950464Y (en) | Semi-module substrate integrated waveguide filter | |
| CN201160112Y (en) | Low-intermodulation passive power termination of microwave frequency band | |
| CN200950463Y (en) | Substrate integrated waveguide quasi-inductive through hole filter | |
| CN106252804A (en) | Multilamellar millimeter wave filter | |
| CN211791466U (en) | Amplitude limiter | |
| CN105428767B (en) | X-frequency-band ultra-high-power absorption type harmonic filter | |
| CN217035944U (en) | Spread spectrum waveguide coaxial converter | |
| CN110400999B (en) | Linear E-surface probe microstrip waveguide transition device | |
| CN210984912U (en) | Coupler | |
| CN1929192A (en) | Base-plate integrative waveguide pseudo inductive through-hole filter | |
| CN111029706A (en) | Coupler | |
| CN221632830U (en) | Waveguide isolator | |
| CN206559320U (en) | New W-waveband fundamental mixer | |
| CN221379700U (en) | Microwave optical fiber waveguide tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |