CN201465984U - C-band high-power permanent-magnet focusing klystron - Google Patents
C-band high-power permanent-magnet focusing klystron Download PDFInfo
- Publication number
- CN201465984U CN201465984U CN200920110389XU CN200920110389U CN201465984U CN 201465984 U CN201465984 U CN 201465984U CN 200920110389X U CN200920110389X U CN 200920110389XU CN 200920110389 U CN200920110389 U CN 200920110389U CN 201465984 U CN201465984 U CN 201465984U
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- magnetic
- magnetic cup
- klystron
- anode
- electron gun
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Abstract
A C-band high-power permanent-magnet focusing klystron adopts the technical scheme that one end of an electron gun component faces the anode and is wrapped in a lower magnetic screen, and the other end thereof is connected with an electron gun porcelain component; a lower magnetic screen is connected to the outer circumference surface of the anode, the other end of the anode is connected with a plurality of resonant cavities in sequence, and the last resonant cavity is connected with an upper magnetic screen for receiving a collector; the electron gun component, the anode and the resonant cavities are sleeved in a magnetic field return circuit; a plurality of radiating fins are arranged on the side surface of the collector, and fan drums on the outer side of the radiating fins are fixed on the upper magnetic screen; ventilation holes are formed on the fan drums on the end side surfaces close to the upper magnetic screen and on the upper magnetic screen close to the interior of the fan drums; one end of an output waveguide component is connected with the resonant cavity at the end close to the upper magnetic screen, and the other end thereof is connected with an output window component and a titanium pump interface is formed on one side surface of the output waveguide component; an input joint is connected with the resonant cavity close to the anode; all steel magnet loop circuits are fixed in an iron ring; the outer ring of the iron ring is fixed on a magnetic field housing; the upper magnetic screen and the magnetic field housing are fixedly connected to form a whole; and the inner ring close to the steel magnet of the lower magnetic screen is part of the lower magnetic screen.
Description
Technical field
The utility model relates to the electron tube technical field, and particularly a kind of C-band high-power permanent magnet focuses on klystron.
Background technology
Klystron is to produce high-frequency and high-power vacuum microwave device, and the quality of magnetic focusing is to guarantee that electronics is annotated and the key of microwave generation energy exchange.The type of focusing of klystron mainly contains two kinds: electromagnetic focusing and permanent-magnetic focusing.Electromagnetic focusing is because it is bulky and need the complementary field power supply that it is very restricted in the use, and especially when system need possess mobility, its adaptability greatly reduced.Permanent-magnetic focusing is then little, in light weight and do not need additional source of energy power supply to keep and be favourably welcome in complete machine is used with its volume.
But, because magnet steel easy adjustment unlike the electric current of electromagnetic focusing of permanent-magnetic focusing, this has brought very big difficulty for the design of permanent magnet focusing system and relevant electron-optical system.However, people wish to adopt the permanent-magnetic focusing klystron at more microwave frequency bands as far as possible, progressively to improve the complete machine performance, particularly flexible property and reliability on the constantly progressive basis of technology.
The utility model content
The purpose of this utility model is to provide a kind of C-band high-power permanent magnet to focus on klystron, to realize the permanent-magnetic focusing of C-band high-power klystron, solve the bulky and extra energy resource consumption that electromagnetic focusing brings, improve the mobility and the reliability of system.
For achieving the above object, the C-band high-power permanent magnet that the utility model provides focuses on the klystron structure, mainly comprises:
One electron gun structure, one end be towards anode, and be enclosed in down in the magnetic cup, and the other end and electron gun porcelain assembly join, and this time magnetic cup is fixed in the magnet steel of bottom in the ring by location notch is sheathed, and its end and electron gun porcelain assembly join;
The outer circumference surface of anode and following magnetic cup join, and the other end connects a plurality of resonant cavitys in regular turn, and last resonant cavity and last magnetic cup join, and last magnetic cup and collector join;
Last magnetic cup and magnetic field shell are connected and fixed and are one;
Electron gun structure, resonant cavity and anode jacket are located in the field circuit, and a plurality of magnet steel loops are installed on the magnetic steel shell between the magnetic cup up and down; Each magnet steel loop is an axial symmetry, and magnet steel is fixed in the iron hoop, and the outer shroud of iron hoop is fixed on the shell of magnetic field;
The side of the collector that joins with last magnetic cup is provided with a plurality of fin, and whole collector is installed in the air duct, and this air duct is fixed on the magnetic cup, and air duct has ventilation hole near the side of last magnetic cup, and the top of air duct connects a blower fan;
Lean on the inner porose inside that leads to the magnetic focusing loop of air duct on the last magnetic cup;
One end of output waveguide assembly joins with a resonant cavity that leans on last magnetic cup one end, and the other end of output waveguide assembly connects the output window assembly, is provided with the titanium pump interface in a side of output waveguide assembly;
One input adapter connects the resonant cavity near anode.
Described C-band high-power permanent magnet focuses on the klystron structure, and wherein, last magnetic cup is divided into two parts symmetrical, and wherein a part is joined with resonant cavity that leans on last magnetic cup one end and collector inlet, and another part and magnetic steel shell are fixed together.
Described C-band high-power permanent magnet focuses on the klystron structure, and wherein, the magnetic field shell fixes by screw and flange.
Described C-band high-power permanent magnet focuses on the klystron structure, wherein, is solidified with silicon rubber around the electron gun porcelain assembly.
Described C-band high-power permanent magnet focuses on the klystron structure, wherein, between output window assembly and the output waveguide assembly by flange and bolt.
Described C-band high-power permanent magnet focuses on the klystron structure, and wherein, titanium pump is installed in the permanent-magnetic focusing loop.
Effect of the present utility model is:
1, utilizes the utility model, realized that the C-band high-power permanent magnet focuses on klystron, has effectively dwindled the volume and weight in focusing magnetic field loop.
2, utilize the utility model, solved the problems such as bulky and additional energy source consumption that electromagnetic focusing brings, improved the mobility reliability of system.
3, the utility model is by air-cooled form, on the basis that reduces system bulk and weight, and the environmental suitability that has further improved.
Description of drawings
A kind of C-band high-power permanent magnet that Fig. 1 provides for the utility model focuses on the longitudinal profile structural representation of klystron.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer,, and, the utility model is further described with reference to accompanying drawing below in conjunction with specific embodiment.
The utility model is a kind of in conjunction with special permanent-magnetic focusing loop and forced air cooling heat radiation C-band high-power permanent magnet focusing klystron structure, realizes by processes such as electrical property design, engineering design, machining, soldering and crunch seal technology and baking venting gas.It is a kind of electronics to be annotated the vacuum microwave device that Conversion of energy is a microwave energy, and the output services pattern is TE
10The square wave guided mode.
Fig. 1 has provided the longitudinal profile structure chart of a C-band high-power permanent magnet focusing klystron.This C-band high-power permanent magnet focuses on klystron structure and comprises: electron gun porcelain assembly 1, time magnetic cup 2, mounting flange 3, magnetic field shell 4, the serial connection of a plurality of resonant cavity 5, a plurality of magnet steel loop 6, output waveguide assembly 7, output window assembly 8, titanium pump (be connected on the titanium pump interface 9, do not draw), collector 10, air duct 11, input adapter 12, last magnetic cup 13, anode 14 and electron gun structure 15.
The high pressure that electron gun porcelain assembly 1 is responsible between anode 14 and the electron gun structure 15 is isolated, and its end and electron gun structure 15 join, and the other end joins with following magnetic cup 2.
Following magnetic cup 2 is divided into two parts, and wherein a part is joined with electron gun porcelain assembly 1 and anode 14, and another part is fixed together as the interior ring and the bottom magnet steel 6 of magnet steel locating ring.
The outer circumference surface of anode 14 and following magnetic cup 2 join, and the other end connects a plurality of resonant cavitys 5 in regular turn, and last resonant cavity 5 joins with last magnetic cup 13, and last magnetic cup 13 and collector 10 join;
Output waveguide assembly 7 one ends with join near a resonant cavity 5 of last magnetic cup 13; the other end and output window assembly 8 join; there is a titanium pump interface 9 side, and there is blast pipe cold welding interface protection cover the upper end and is screwed at last magnetic cup 13 and 7 metal stiffeners on one's body of waveguide.
Last magnetic cup 13 is divided into two parts, and wherein a part is joined with resonant cavity 5 and collector 10 inlets near last magnetic cup 13, and another part and magnetic steel shell 4 are fixed together.
Last magnetic cup 13 parts that are fixed together with magnetic steel shell 4 are divided into two halves, after magnetic field is in place, with screw the two halves of this part magnetic cup is closed up with magnetic field shell 4 and to be fixed together.
Each magnet steel loop 6 is axisymmetric, magnet steel is positioned in the specific iron hoop, the outer shroud of these iron hoops is fixed on the magnetic field shell 4, and the interior iron hoop of bottom magnet steel loop 6 (following magnetic cup part) is gone in the location notch of the following magnetic cup part of joining with anode 14 and electron gun porcelain assembly 1 by the emperor himself; After being in place, shell is loaded in the mounting flange 3, has screw that mounting flange 3 and magnetic steel shell 4 are fixed together simultaneously.
Electron gun porcelain assembly 1, electron gun structure 15, time magnetic cup 2, anode 14, resonant cavity 5, output waveguide assembly 7, output window assembly 8, titanium pump (be connected on the titanium pump interface 9, do not draw), input adapter 12, last magnetic cup 13 and collector 10 constitute klystrons; Following magnetic cup 2, magnet steel loop 6, magnetic field shell 4 and last magnetic cup 13 constitute the permanent-magnetic focusing loop; Both combine by the location notch of following magnetic cup 2, the location and installation screw screw of going up on magnetic cup 13 and magnetic steel shell 4 and the mounting flange 3, form the C-band high-power permanent magnet and focus on klystron.
Signal input is microwave signal to be input to the resonant cavity 5 that nestles up anode 14 by input adapter 12 to interact with annotating from the electronics of electron gun; Under the effect of externally-applied magnetic field, electronics is annotated and is advanced forward along interstitial hole, interact with each resonant cavity 5 simultaneously, modulate and clustering, connect in the resonant cavity 5 of output waveguide 7 portion of energy with electronics in the side and be converted into microwave energy and output to load, and the dump energy of electronics is dispersed consumption on collector 10 from output window 8.
1 design of electron gun porcelain assembly must be born sufficiently high voltage, has solidified certain thickness silicon rubber (not shown) around electron gun porcelain assembly 1, to improve the voltage endurance capability between anode 14 and the electron gun 15.
8 designs of output window assembly must guarantee that the external coupling of microwave energy output connects, and except that normal welding, output window carries out mechanical consolidation by flange and bolt, avoids causing mismatch because of external force effect distortion.
Titanium pump is connected on titanium pump interface 9 places, is used to keep klystron inside that sufficiently high vacuum degree is arranged, and titanium pump is hidden among the permanent-magnetic focusing loop, does not illustrate among the figure.
It is as follows that described C-band high-power permanent magnet focuses on klystron arrangement works process:
Input signal enters near first resonant cavity 5 of anode from input adapter and interacts with annotating from the electronics of electron gun; Under little, the lightweight permanent-magnetic focusing the action of a magnetic field of volume, electronics is annotated and is advanced forward along interstitial hole, simultaneously with each resonant cavity 5 in radio-frequency field interact, modulate and clustering, connect in the resonant cavity 5 of output waveguide 7 portion of energy with electronics in the side and be converted into microwave energy and output to load, and the dump energy of electronics is dispersed consumption on collector 10 from output window 8.
The above; it only is the embodiment in the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; can understand conversion or the replacement expected; all should be encompassed in of the present utility model comprising within the scope, therefore, protection range of the present utility model should be as the criterion with the protection range of claims.
Claims (6)
1. a C-band high-power permanent magnet focuses on klystron, it is characterized in that, mainly comprises:
One electron gun structure, one end be towards anode, and be enclosed in down in the magnetic cup, and the other end and electron gun porcelain assembly join, and this time magnetic cup is fixed in the magnet steel of bottom in the ring by location notch is sheathed, and its end and electron gun porcelain assembly join;
The outer circumference surface of anode and following magnetic cup join, and the other end connects a plurality of resonant cavitys in regular turn, and last resonant cavity and last magnetic cup join, and last magnetic cup and collector join;
Last magnetic cup and magnetic field shell are connected and fixed and are one;
Electron gun structure, resonant cavity and anode jacket are located in the field circuit, and a plurality of magnet steel loops are installed on the magnetic steel shell between the magnetic cup up and down; Each magnet steel loop is an axial symmetry, and magnet steel is fixed in the iron hoop, and the outer shroud of iron hoop is fixed on the shell of magnetic field;
The collector side that joins with last magnetic cup is provided with a plurality of fin, and whole collector is installed in the air duct, and this air duct is fixed on the magnetic cup, and air duct is provided with ventilation hole near the side of last magnetic cup, and the top of air duct connects blower fan;
Lean on the inner porose inside that leads to the magnetic focusing loop of air duct on the last magnetic cup;
One end of output waveguide assembly joins with a resonant cavity that leans on last magnetic cup one end, and the other end of output waveguide assembly connects the output window assembly, is provided with the titanium pump interface in a side of output waveguide assembly;
One input adapter connects the resonant cavity near anode.
2. C-band high-power permanent magnet as claimed in claim 1 focuses on klystron, it is characterized in that last magnetic cup is divided into two parts symmetrical, and wherein a part is joined with resonant cavity that leans on last magnetic cup one end and collector inlet, and another part and magnetic steel shell are fixed together.
3. C-band high-power permanent magnet as claimed in claim 1 focuses on klystron, it is characterized in that the magnetic field shell fixes by screw and flange.
4. C-band high-power permanent magnet as claimed in claim 1 focuses on klystron, it is characterized in that, is solidified with silicon rubber around the electron gun porcelain assembly.
5. C-band high-power permanent magnet as claimed in claim 1 focuses on klystron, it is characterized in that, between output window assembly and the output waveguide assembly by flange and bolt.
6. C-band high-power permanent magnet as claimed in claim 1 focuses on klystron, it is characterized in that titanium pump is installed in the permanent-magnetic focusing loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920110389XU CN201465984U (en) | 2009-07-24 | 2009-07-24 | C-band high-power permanent-magnet focusing klystron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920110389XU CN201465984U (en) | 2009-07-24 | 2009-07-24 | C-band high-power permanent-magnet focusing klystron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465984U true CN201465984U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920110389XU Expired - Lifetime CN201465984U (en) | 2009-07-24 | 2009-07-24 | C-band high-power permanent-magnet focusing klystron |
Country Status (1)
| Country | Link |
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| CN (1) | CN201465984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672434A (en) * | 2012-05-23 | 2012-09-19 | 湖北汉光科技股份有限公司 | Method for manufacturing high-power klystron |
-
2009
- 2009-07-24 CN CN200920110389XU patent/CN201465984U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672434A (en) * | 2012-05-23 | 2012-09-19 | 湖北汉光科技股份有限公司 | Method for manufacturing high-power klystron |
| CN102672434B (en) * | 2012-05-23 | 2015-07-01 | 湖北汉光科技股份有限公司 | Method for manufacturing high-power klystron |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |