CN201820735U - Waveguide instrument for traveling-wave tube - Google Patents
Waveguide instrument for traveling-wave tube Download PDFInfo
- Publication number
- CN201820735U CN201820735U CN2010202736623U CN201020273662U CN201820735U CN 201820735 U CN201820735 U CN 201820735U CN 2010202736623 U CN2010202736623 U CN 2010202736623U CN 201020273662 U CN201020273662 U CN 201020273662U CN 201820735 U CN201820735 U CN 201820735U
- Authority
- CN
- China
- Prior art keywords
- waveguide
- wave tube
- short
- base
- travelling wave
- 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
Images
Abstract
The utility model discloses a waveguide instrument for a traveling-wave tube, comprising a waveguide base (1), a waveguide cover (2) of the waveguide base (1), and a flange (3) connected with one end of the waveguide base (1), a dual-ridge H-shaped short-circuit piston (4) is welded in the other end of the waveguide base (1); a tuning rod (5) vertically passes through the waveguide base (1) and the waveguide cover (2); the tuning rod (5) is arranged at the right end of the short-circuit piston (4) and is arranged in parallel with the plane of the short-circuit piston (4); the lower end of the tuning rod (5) is inserted in the internal conductor (6) that is welded in a steamed bread ceramic (7) and is coaxial to the steamed bread ceramic (7). In the utility model, the waveguide instrument for the traveling-wave tube has reasonable structure design and high precision; the coaxial-to-waveguide converted standing wave has good characteristic curves and small standing wave values; furthermore the coaxial-to-waveguide conversion matching degree is good, the reflecting power is small, the signal output is large, and the waveguide instrument can be used in conjunction with the traveling-wave tube with large power and wide frequency band.
Description
Technical field
The utility model relates to a kind of travelling wave tube signal amplifying apparatus, is specifically related to the external broadband of a kind of travelling wave tube double ridged waveguide instrument.
Background technology
Travelling wave tube is the microwave tube that a kind of speed of annotating by the modulation electronics realizes enlarging function, the characteristics of travelling wave tube are bandwidths, gain is high, dynamic range is big and noise is low, travelling wave tube frequency bandwidth (poor/centre frequency of frequency band height two ends frequency) can reach more than 100%, gain is in 25～70 decibels of scopes, the noise factor of low-noise traveling-wave tube is minimum to reach 1～2 decibel, and therefore modern travelling wave tube has become radar, electronic countermeasures, trunking traffic, satellite communication, the live telecast satellite, navigation, remote sensing, remote control, the important microwave electronic device of electronic equipments such as remote measurement.But high-power travelling wave tube generally need be connected with a signal amplifying device of waveguide at the output of travelling wave tube, thereby satisfy the requirement that the travelling wave tube signal amplifies, the quality of waveguide instrument and the coaxial conversion of travelling wave tube can be investigated by the stationary wave characteristic curve, and general standing wave is little, and reflection power is just little, waveguide signal is exported, amplification is strong, if opposite standing wave is big, reflection power is just big, signal output is poor, amplification with regard to a little less than.Therefore, the waveguide assembly of travelling wave tube needs the stationary wave characteristic curve of coaxial preferably-waveguide transitions, thereby can guarantee the standing wave minimum, coaxial-waveguide transitions coupling reaches requirement, but the coaxial conversion of waveguide assembly of the prior art and travelling wave tube is poor, the stationary wave characteristic curve difference, and standing wave is bigger, transmitting power is bigger, and signal output is undesirable.
Summary of the invention
Goal of the invention: the purpose of this utility model is in order to solve the deficiencies in the prior art, provide the stationary wave characteristic curve of a kind of reasonable in design, precision height, coaxial-waveguide transitions good, standing wave is little, coaxial-waveguide transitions matching degree is good, reflection power is little, the high power travelling wave tube waveguide instrument that signal output is big.
Technical scheme: in order to realize above purpose, technical solution adopted in the utility model is:
A kind of travelling wave tube waveguide instrument, it comprises: the waveguide base, the waveguide of waveguide base is covered, and is connected the ring flange of waveguide base one end, is welded with short-circuit plunger in the other end of waveguide base, and there is tuning plug vertically to pass waveguide base and waveguide lid, described tuning plug is positioned at the right-hand member of short-circuit plunger, and is parallel direction with the short-circuit plunger plane, is connected with inner wire in the lower end of tuning plug, described inner wire is welded in the steamed bun porcelain, and and steamed bun porcelain concentric.Described waveguide base and waveguide lid can be by being weldingly connected between waveguide base and the ring flange.
As preferred version, travelling wave tube waveguide instrument described in the utility model, described waveguide base is a rectangle, end at the rectangular waveguide base has two I-shaped grooves of ridge, it is I-shaped that described short-circuit plunger also is two ridges, size is approximately less than the I-shaped groove of two ridges of waveguide base one end, the described pair of I-shaped short-circuit plunger of ridge is welded in the I-shaped groove of two ridges of waveguide base one end, wherein short-circuit plunger is welded on the effect that the quality of quality in the waveguide base directly affects short-circuit plunger, therefore welding temperature is controlled in the utility model strictness when the solder shorts piston, general welding temperature is about 350 degree～450 degree, make tight between the I-shaped groove of short-circuit plunger and waveguide base one end, thereby reach best welding effect, thereby can reduce standing wave, make coaxial-waveguide transitions reach requirement at the frequency band standing internal wave.
As preferred version, travelling wave tube waveguide instrument described in the utility model, described tuning plug vertically passes waveguide base and waveguide lid, and waveguide base and waveguide cover down and adjust height relatively, and tuning plug and the two I-shaped short-circuit plunger of ridge plane are parallel direction, and tuning plug and two interplanar distance of the I-shaped short-circuit plunger of ridge are 3～3.25mm, and as preferred scheme, tuning plug cylindrical center and two interplanar distance of the I-shaped short-circuit plunger of ridge are 3.25mm.The waveguide instrument of travelling wave tube, the stationary wave characteristic curve of coaxial-waveguide transitions mainly is the determining positions by tuning plug and short-circuit plunger, therefore tuning plug and the short-circuit plunger position relation in waveguide directly affects the stationary wave characteristic curve, the present invention with the size of stationary wave characteristic curve standing wave value as investigating index, determine tuning plug and the position of short-circuit plunger in waveguide through a large amount of experiments, experimental result shows that two I-shaped short-circuit plungers of ridge have good stationary wave characteristic curve when the distance of waveguide base one end is 9～9.5mm, and tuning plug and two I-shaped short-circuit plunger plane parallel of ridge, and tuning plug cylindrical center and two interplanar distance of the I-shaped short-circuit plunger of ridge are 3.25mm, the stationary wave characteristic curve of gained is good, standing wave value scope 1.2～2, reflection power is little, and signal output is big.The shape of short-circuit plunger also is a key factor that influences waveguide standing wave value simultaneously, and the present invention is designed to two I-shaped short-circuit plungers of ridge can effectively reduce reflection power, reduces the standing wave value, increases signal output.
Wherein inner wire is welded on the position in the steamed bun porcelain and highly also influences the matching degree of coaxial-waveguide transitions, thereby influence stationary wave characteristic curve standing wave value, as preferred version, travelling wave tube waveguide instrument described in the utility model, described inner wire is a hollow cylinder, the height of inner wire is generally 2～2.5mm, inner wire is welded in the steamed bun porcelain, the upper end of the upper end of inner wire and steamed bun porcelain parallels, and and steamed bun porcelain concentric degree, the output of steamed bun porcelain and travelling wave tube is connected, and steamed bun porcelain and travelling wave tube output concentric, like this inner wire also with travelling wave tube output concentric, this structure can guarantee the matching degree of coaxial preferably-waveguide transitions, and the standing wave value is less than 2, and reflection power is little, and signal output is big.
As preferred version, travelling wave tube waveguide instrument described in the utility model, the length of described tuning plug is 30～32mm, wherein tuning plug is inserted in the matching degree that the interior height of inner wire also directly influences stationary wave characteristic curve standing wave value and coaxial-waveguide transitions, the utility model shows through lot of experiments, experimental result shows, when the height in tuning plug inserts inner wire is 1～1.6mm, and tuning plug inserts behind the inner wire and inner wire closely cooperates, as more preferably scheme, when tuning plug inserted height in the inner wire and is 1.2～1.5mcm, the stationary wave characteristic curve was good, the standing wave value is little of 2, and the matching degree of coaxial-waveguide transitions meets the requirements, and the signal output of waveguide is big, can satisfy 200 watts of average powers, broadband is as the waveguide of the travelling wave tube of 6～18GHz.
In the above-described travelling wave tube waveguide instrument, the waveguide base, the waveguide lid, ring flange, short-circuit plunger, tuning plug and inner wire etc. are made by metal materials such as copper, and described steamed bun porcelain is made by the beryllium oxide material, and shape is steamed bun shape.
The use principle of travelling wave tube waveguide instrument described in the utility model is: at first the steamed bun porcelain in the travelling wave tube waveguide instrument is linked to each other with the travelling wave tube output is coaxial, adjust tuning plug insert the height in the inner wire and adjust two I-shaped short-circuit plungers of ridge in tuning plug or and waveguide base one end between distance, make waveguide and travelling wave tube coaxial-matching degree of waveguide transitions meets the requirements, and make stationary wave characteristic curve standing wave value reach minimum, as 1.2～2.
Beneficial effect: the travelling wave tube waveguide instrument that the utility model provides compared with prior art has the following advantages:
1, the travelling wave tube waveguide instrument that provides of the utility model, reasonable in design, the precision height, the stationary wave characteristic curve of coaxial-waveguide transitions is good, and the standing wave value is little, and coaxial-waveguide transitions matching degree is good, and reflection power is little, and signal output is big.
2, the travelling wave tube waveguide instrument that provides of the utility model can be 200 watts as average power with high-power, and bandwidth is used as the travelling wave tube of 6～18GHz, can effectively increase the signal output of travelling wave tube,
Description of drawings
The structural representation of the travelling wave tube waveguide instrument that Fig. 1 provides for the utility model.
Steamed bun porcelain in the travelling wave tube waveguide instrument that Fig. 2 provides for the utility model and built-in coaxial inner conductor and be inserted in the structural representation of the tuning plug in the inner wire.
Embodiment:
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
Embodiment 1
As Fig. 1, shown in Figure 2, travelling wave tube waveguide instrument described in the utility model, it comprises: rectangular waveguide base (1), the waveguide lid (2) of waveguide base (1), be connected the ring flange (3) of waveguide base (1) one end, in the other end of waveguide base (1), be welded with two I-shaped short-circuit plungers of ridge (4), and there is tuning plug (5) vertically to pass waveguide base (1) and waveguide lid (2), described tuning plug (5) is positioned at the right-hand member of short-circuit plunger (4), and and short-circuit plunger (4) plane be parallel direction, and tuning plug (5) and the interplanar distance of short-circuit plunger (4) are 3mm, short-circuit plunger (4) is 9mm apart from waveguide base (1) away from the distance of ring flange (3) one ends, the length of described tuning plug (5) is 30mm, the lower end of tuning plug (5) is inserted in the hollow inner wire (6), and closely cooperate, and the height that the lower end of tuning plug (5) is inserted in the hollow inner wire (6) is 1.6mm, described hollow cylinder inner wire (6) is welded in the steamed bun porcelain (7), the height of inner wire (6) is 2mm, inner wire (6) upper end and steamed bun porcelain (7) upper end flush, the height of steamed bun porcelain (7) is 4.8mm, and inner wire (6) and steamed bun porcelain (7) concentric.Above-described waveguide base (1), waveguide lid (2), ring flange (3), short-circuit plunger (4), tuning plug (5) are made by metallic copper material, described inner wire (6) but make by the valve material, described steamed bun porcelain is made by the beryllium oxide material.
Embodiment 2
Travelling wave tube waveguide instrument described in the utility model, it comprises: rectangular waveguide base (1), the waveguide lid (2) of waveguide base (1), be connected the ring flange (3) of waveguide base (1) one end, in the other end of waveguide base (1), be welded with two I-shaped short-circuit plungers of ridge (4), and there is tuning plug (5) vertically to pass waveguide base (1) and waveguide lid (2), described tuning plug (5) is positioned at the right-hand member of short-circuit plunger (4), and and short-circuit plunger (4) plane be parallel direction, and tuning plug (5) and the interplanar distance of short-circuit plunger (4) are 3.25mm, short-circuit plunger (4) is 9.5mm apart from waveguide base (1) away from the distance of ring flange (3) one ends, the length of described tuning plug (5) is 32mm, the lower end of tuning plug (5) is inserted in the hollow inner wire (6), and closely cooperate, and the height that the lower end of tuning plug (5) is inserted in the hollow inner wire (6) is 1mm, described hollow cylinder inner wire (6) is welded in the steamed bun porcelain (7), the height of inner wire (6) is 2.5mm, inner wire (6) upper end and steamed bun porcelain (7) upper end flush, the height of steamed bun porcelain (7) is 5mm, and inner wire (6) and steamed bun porcelain (7) concentric.Above-described waveguide base (1), waveguide lid (2), ring flange (3), short-circuit plunger (4), tuning plug (5) are made by metallic copper material, described inner wire (6) but make by the valve material, described steamed bun porcelain is made by the beryllium oxide material.
The use principle of travelling wave tube waveguide instrument described in the utility model is: at first the steamed bun porcelain (7) in the travelling wave tube waveguide instrument is linked to each other with the travelling wave tube output is coaxial, adjust the height of tuning plug (5) in inner wire (6), be generally 1～1.6mm the best, and about adjust the distance of short-circuit plunger (4) apart from waveguide base (1) one end, be generally 9～9.5mm, distance between short-circuit plunger (4) and tuning plug (5) is 3～3.25mm, make waveguide and travelling wave tube coaxial-matching degree of waveguide transitions meets the requirements, and to make stationary wave characteristic curve standing wave value be 1.2～2.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. travelling wave tube waveguide instrument, it is characterized in that, it comprises: waveguide base (1), the waveguide lid (2) of waveguide base (1), be connected the ring flange (3) of waveguide base (1) one end, in the other end of waveguide base (1), be welded with short-circuit plunger (4), and there is tuning plug (5) vertically to pass waveguide base (1) and waveguide lid (2), described tuning plug (5) is positioned at the right-hand member of short-circuit plunger (4), and and short-circuit plunger (4) plane be parallel direction, the lower end of tuning plug (5) is inserted in the inner wire (6), and described inner wire (6) is welded in the steamed bun porcelain (7), and and steamed bun porcelain (7) concentric.
2. travelling wave tube waveguide instrument according to claim 1, it is characterized in that, described waveguide base (1) is a rectangle, end at rectangular waveguide base (1) has two I-shaped grooves of ridge, it is I-shaped that described short-circuit plunger (4) is two ridges, and be welded in the I-shaped groove of two ridges of waveguide base (1) one end.
3. travelling wave tube waveguide instrument according to claim 1 is characterized in that, described tuning plug (5) and the two I-shaped short-circuit plunger of ridge (4) plane are parallel direction, and tuning plug (5) and two interplanar distance of the I-shaped short-circuit plunger of ridge (4) are 3～3.25mm.
4. travelling wave tube waveguide instrument according to claim 1, it is characterized in that described inner wire (6) is a hollow cylinder, the height of inner wire (6) is 2～2.5mm, inner wire (6) upper end and steamed bun porcelain (7) upper end flush, and the height of steamed bun porcelain (7) is 4.8～5.0mm.
5. travelling wave tube waveguide instrument according to claim 4 is characterized in that the length of described tuning plug (5) is 30～32mm, and the height that tuning plug (5) is inserted in the inner wire (6) is 1～1.6mm.
6. travelling wave tube waveguide instrument according to claim 1 is characterized in that, described short-circuit plunger (4) is 9～9.5mm apart from the distance of waveguide base (1) one end.
7. according to each described travelling wave tube waveguide instrument of claim 1 to 6, it is characterized in that described waveguide base (1), waveguide lid (2), ring flange (3), short-circuit plunger (4) and tuning plug (5) are made by metallic copper material, and described steamed bun porcelain is made by the beryllium oxide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202736623U CN201820735U (en) | 2010-07-28 | 2010-07-28 | Waveguide instrument for traveling-wave tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202736623U CN201820735U (en) | 2010-07-28 | 2010-07-28 | Waveguide instrument for traveling-wave tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820735U true CN201820735U (en) | 2011-05-04 |
Family
ID=43918681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202736623U Expired - Fee Related CN201820735U (en) | 2010-07-28 | 2010-07-28 | Waveguide instrument for traveling-wave tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201820735U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324358A (en) * | 2011-08-26 | 2012-01-18 | 安徽华东光电技术研究所 | Device and method for determining microwave reflection point of slow wave system of helix traveling wave tube |
| CN103474316A (en) * | 2013-09-06 | 2013-12-25 | 中国电子科技集团公司第十二研究所 | V-waveband traveling-wave tube energy transmission structure and manufacturing method thereof |
| CN103681176A (en) * | 2013-10-28 | 2014-03-26 | 中国科学院电子学研究所 | Band-shaped beam klystron outer tuning apparatus |
| CN109283448A (en) * | 2018-10-08 | 2019-01-29 | 北方电子研究院安徽有限公司 | A kind of avalanche diode high-frequency tuning device |
| CN109727835A (en) * | 2018-12-29 | 2019-05-07 | 中国电子科技集团公司第十二研究所 | Inner conductor, coaxial delivery of energy window and travelling-wave tubes for coaxial delivery of energy window |
-
2010
- 2010-07-28 CN CN2010202736623U patent/CN201820735U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324358A (en) * | 2011-08-26 | 2012-01-18 | 安徽华东光电技术研究所 | Device and method for determining microwave reflection point of slow wave system of helix traveling wave tube |
| CN103474316A (en) * | 2013-09-06 | 2013-12-25 | 中国电子科技集团公司第十二研究所 | V-waveband traveling-wave tube energy transmission structure and manufacturing method thereof |
| CN103474316B (en) * | 2013-09-06 | 2016-11-09 | 中国电子科技集团公司第十二研究所 | V-waveband traveling-wave tube energy transmission structure and manufacture method thereof |
| CN103681176A (en) * | 2013-10-28 | 2014-03-26 | 中国科学院电子学研究所 | Band-shaped beam klystron outer tuning apparatus |
| CN103681176B (en) * | 2013-10-28 | 2017-07-28 | 中国科学院电子学研究所 | The outer tuner of Sheet beam klystron |
| CN109283448A (en) * | 2018-10-08 | 2019-01-29 | 北方电子研究院安徽有限公司 | A kind of avalanche diode high-frequency tuning device |
| CN109727835A (en) * | 2018-12-29 | 2019-05-07 | 中国电子科技集团公司第十二研究所 | Inner conductor, coaxial delivery of energy window and travelling-wave tubes for coaxial delivery of energy window |
| CN109727835B (en) * | 2018-12-29 | 2021-06-29 | 中国电子科技集团公司第十二研究所 | Inner conductor for coaxial energy transmission window, coaxial energy transmission window and traveling wave tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103236586B (en) | Small circularly-polarized horn antenna | |
| CN201820735U (en) | Waveguide instrument for traveling-wave tube | |
| CN108039541B (en) | Compact rectangle TE10Circular waveguide TM01Mode conversion device | |
| JP6143971B2 (en) | Coaxial microstrip line conversion circuit | |
| CN102377000A (en) | High-frequency conversion structure with rectangular-circular mode | |
| CN105977595A (en) | Terminal connection feed-backward type rectangular waveguide-microstrip transition device | |
| CN104218322A (en) | Receiving antenna for high-power microwave radiation field measuring system | |
| CN111987401A (en) | Ridge waveguide to microstrip line ultra wide band transition structure based on quartz probe | |
| CN114552183B (en) | X/Ku wave band radiator and implementation method | |
| CN107275735A (en) | A kind of new coaxial microband converter | |
| CN109148243B (en) | Broadband high-power energy transmission structure suitable for helix traveling wave tube | |
| CN105743533A (en) | High-temperature non-pressure seamless sintering technology-based miniaturized millimeter wave transmitting and receiving assembly | |
| CN108682959B (en) | Small-size millimeter wave horn antenna | |
| CN109768354A (en) | A kind of compact circular waveguide TM01Mode excitation device | |
| Al-Zuhairi et al. | Compact dual-polarized quad-ridged UWB horn antenna design for breast imaging | |
| Tenigeer et al. | Design of a novel broadband EMC double ridged guide horn antenna | |
| CN208336465U (en) | The coaxial conversion equipment of full bandwidth rectangular waveguide | |
| JP2008537428A (en) | High frequency electromagnetic wave receiver and broadband waveguide mixer | |
| CN110707405B (en) | Microstrip line vertical transition structure and microwave device | |
| CN110676550B (en) | Microstrip line vertical transition structure and microwave device | |
| KR101019670B1 (en) | Waveguide transducer | |
| US4558290A (en) | Compact broadband rectangular to coaxial waveguide junction | |
| CN214625370U (en) | Novel wide-beam low-back lobe horn antenna | |
| CN110767962B (en) | Circular waveguide TM11Mode exciter | |
| CN203013908U (en) | Magnetic-coupled coaxial waveguide converter |
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: 20110504 Termination date: 20140728 |
|
| EXPY | Termination of patent right or utility model |