CN107452581A - Klystron cathode heater sub-assembly and heater leading-off rods attachment structure - Google Patents
Klystron cathode heater sub-assembly and heater leading-off rods attachment structure Download PDFInfo
- Publication number
- CN107452581A CN107452581A CN201710452552.XA CN201710452552A CN107452581A CN 107452581 A CN107452581 A CN 107452581A CN 201710452552 A CN201710452552 A CN 201710452552A CN 107452581 A CN107452581 A CN 107452581A
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- CN
- China
- Prior art keywords
- heater
- assembly
- sub
- cathode
- leading
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/04—Cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
- H01J2223/02—Electrodes; Magnetic control means; Screens
- H01J2223/04—Cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2225/00—Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons
- H01J2225/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J2225/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
Landscapes
- Microwave Tubes (AREA)
- Solid Thermionic Cathode (AREA)
Abstract
The present invention relates to a kind of klystron cathode heater sub-assembly and heater leading-off rods attachment structure, including cathode heater sub-assembly, heater lead wire lever and the adapter sleeve for connecting the cathode heater sub-assembly and the heater lead wire lever；The terminal pad of described adapter sleeve one end is fixed by screws on the connecting base plate of the cathode heater sub-assembly, one end of the heater lead wire lever is from the insertion of the other end of the adapter sleeve until the leading part of the heater lead wire lever is stretched into the cavity of the adapter sleeve, and the heater pin of the cathode heater sub-assembly is stretched into the cavity up to being fitted on the surface of leading part front end connecting plate；The compact heap with fixing hole is disposed with above the heater pin, fixing bolt sequentially passes through the bolt hole of the connecting plate and the fixing hole of the compact heap.Heater pin is fixed and clamped on the connecting plate of heater lead wire lever by fixing bolt and compact heap, connection is firm, easy to operate.
Description
Technical field
The present invention relates to hyperfrequency vacuum electron device field, and in particular to a kind of klystron with cathode heater sub-assembly with
Heater leading-off rods attachment structure.
Background technology
Hyperfrequency vacuum electron device is widely used in radar, satellite communication, electron accelerator etc., and heater is super again
One of part of core, its performance quality will directly affect reliability and the longevity of microwave source the most in high-frequency vacuum electronic device
Life.
The connected mode of existing klystron heater typically has the following two kinds：
1st, klystron heater pin is directly welded with heater lead wire lever using argon arc welding, because heater is generally all to use tungsten filament
(or rhenium tungsten filament of rhenium-containing 3%) manufactures, welding difficulty, the situation that heater is easily broken during argon arc welding；
2nd, enclosed in heater pin outsourcing one and be easy to the gold thin film of electric resistance welding (spot welding), then with heater lead wire lever electric resistance welding (point
Weldering), but the attachment structure fastness is poor, it is vibrated easily to disengage after expanding with heat and contract with cold.
The content of the invention
Deficiency of the purpose of the present invention aiming at above-mentioned technology, there is provided it is a kind of be connected firmly, easy to operate klystron
With cathode heater sub-assembly and heater leading-off rods attachment structure.
To achieve the above object, the klystron designed by the present invention is connected knot with cathode heater sub-assembly with heater leading-off rods
Structure, including cathode heater sub-assembly, heater lead wire lever and for connecting the cathode heater sub-assembly and the heater lead wire lever
Adapter sleeve；The terminal pad of described adapter sleeve one end is fixed by screws on the connecting base plate of the cathode heater sub-assembly,
One end of the heater lead wire lever is inserted up to the leading part of the heater lead wire lever stretches into institute from the other end of the adapter sleeve
State in the cavity of adapter sleeve, and the heater pin of the cathode heater sub-assembly is stretched into the cavity until being fitted in the lead
On the surface of portion front end connecting plate；
The compact heap with fixing hole is disposed with above the heater pin, fixing bolt sequentially passes through the connecting plate
Bolt hole and the fixing hole of the compact heap heater pin is pressed between the connecting plate and the compact heap.
Further, the vertical direction positioned at the leading part is inserted with the first porcelain tube, positioned at the level of the leading part
Direction is not communicated with leaving gap inserted with the second porcelain tube, and between first porcelain tube and second porcelain tube, and the first nickel wire is worn
Cross described latter two free end of first porcelain tube and bend respectively and be welded on the outer peripheral edge of the adapter sleeve, the second nickel wire is through described
Latter two free end of second porcelain tube is bended respectively to be welded on the outer peripheral edge of the adapter sleeve.
Further, be lined with the backing plate with through hole between the heater pin and the compact heap, the connecting plate with it is described
The pressure strip with positioning hole is lined between the nut of bolt.
Further, the diameter of first nickel wire and second nickel wire is 0.8~1.0mm.
Further, the number of the fixing bolt is two, and two fixing bolts are arranged symmetrically in the heater
The both sides of pin.
Further, lead is provided with the other end of the heater lead wire lever and is assembled to velocity modulation pipe flange ceramic component
The first screw on chassis, the second spiral shell that lead is assembled on velocity modulation tube electron gun core electrode is provided with the adapter sleeve
Hole.
The present invention compared with prior art, has advantages below：
1st, klystron of the present invention passes through fixing bolt, compression with cathode heater sub-assembly and heater leading-off rods attachment structure
Heater pin is fixed and clamped on the connecting plate of heater lead wire lever by block, pressure strip and backing plate, and connection is firm, easy to operate；Work as the moon
When very hot sub-assemblies are assembled on high-power klystron by fastener, so that the heater sound construction is reliably installed
It is easy to disassemble onto the correspondence position of high-power klystron, be advantageous to reprocessing for high-power klystron；
2nd, adapter sleeve is fixedly connected by porcelain tube and nickel wire with heater lead wire lever, and nickel wire can play fixed effect, again
There is certain flexibility, therefore, when heater is heated or cooled with certain cushioning effect, in addition, doing vibration test and fortune
Also there is certain cushioning effect during defeated, so as to greatly improve the reliability of product.
Brief description of the drawings
Fig. 1 is klystron cathode heater sub-assembly of the present invention and the schematic diagram of heater leading-off rods attachment structure.
Each part numbers are as follows in figure：
Cathode heater sub-assembly 310, connecting base plate 311, heater pin 312；
Heater lead wire lever 320, leading part 321, connecting plate 322, the first screw 323；
Adapter sleeve 330, terminal pad 331, screw 332, cavity 333；
Compact heap 340, backing plate 350, pressure strip 360, fixing bolt 370；
First porcelain tube 380, the first nickel wire 381；
Second porcelain tube 390, the second nickel wire 391.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Klystron as shown in Figure 1 cathode heater sub-assembly and heater leading-off rods attachment structure, including cathode heater group
Component 310, heater lead wire lever 320 and the adapter sleeve 330 for connecting cathode heater sub-assembly 310 and heater lead wire lever 320.Its
In, the terminal pad 331 of the one end of adapter sleeve 330 is fixed on the connecting base plate 311 of cathode heater sub-assembly 310 by screw 332,
And one end of heater lead wire lever 320 is inserted up to the leading part 321 of heater lead wire lever 320 stretches into from the other end of adapter sleeve 330
In the cavity 333 of adapter sleeve 330, meanwhile, the heater pin 312 of cathode heater sub-assembly 310 is stretched into cavity 333 until being fitted in
On the surface of the front end connecting plate 322 of leading part 321.
Compact heap 340 is disposed with positioned at the top of heater pin 312, backing plate is lined between heater pin 312 and compact heap 340
350, and the opposite that the surface of connecting plate 322 is located at heater pin 312 is disposed with pressure strip 360 (i.e. heater pin 312 and pressure strip 360
It is distributed in the two sides of connecting plate 322), fixing hole is offered on compact heap 340, offers through hole, pressure strip 360 on backing plate 350
Positioning hole is offered, meanwhile, the fixing hole of compact heap 340, the through hole of backing plate 350, the bolt hole and pressure strip of connecting plate 322
360 positioning hole is coaxially arranged, fixing bolt 370 sequentially pass through positioning hole, bolt hole, through hole and fixing hole by pressure strip 360,
Connecting plate 322, backing plate 350 and compact heap 340 are fixed together, so as to which heater pin 312 is pressed on into connecting plate 322 and backing plate
Between 350, pressure strip 360 is located between connecting plate 322 and the nut of fixing bolt 370.In the present embodiment, fixing bolt 370
Number be two, two fixing bolts 370 are arranged symmetrically in the both sides of heater pin 312.Heater lead wire lever 320 uses oxygen-free copper
Material makes, when pressure strip 360 and compact heap 340 compress connecting plate 322 and backing plate 350, so as to be located at the He of connecting plate 322
Heater pin 312 between backing plate 350 clamps, when connecting plate 322 and backing plate 350 clamp heater pin 312, heater lead wire lever
320 connecting plate 322 and backing plate 350 deform upon at heater pin 312, make the connecting plate 322 of heater lead wire lever 320 with
It is close, firm to be contacted between heater pin 312；And pass through the fixed connecting plate 322 of fixing bolt 360 and heater pin 312, connection jail
Lean on, it is easy to operate and easy to disassemble, be advantageous to reprocessing for high-power klystron.
In addition, the vertical direction of leading part 321, inserted with the first porcelain tube 380, the horizontal direction positioned at leading part 321 is inserted
There is the second porcelain tube 390, and be not communicated with leaving gap between the first porcelain tube 380 and the second porcelain tube 390, the first nickel wire 381 is through the
One latter two free end of porcelain tube 380 is bended respectively to be welded on the outer peripheral edge of adapter sleeve 330, and the second nickel wire 391 passes through the second porcelain
Latter two free end of pipe 390 is bended respectively to be welded on the outer peripheral edge of adapter sleeve 330；In the present embodiment, the first nickel wire 381 and
The diameter of two nickel wires 391 is 0.8~1.0mm, and the nickel wire of such thickness can play fixed effect, is had again certain soft
Property, therefore, when heater is heated or cooled with certain cushioning effect, in addition, in vibration test and transportation is done
There is certain cushioning effect, so as to greatly improve the reliability of product.
Meanwhile lead is provided with the other end of heater lead wire lever 320 and is assembled to velocity modulation pipe flange ceramic component chassis
On the first screw 323, be provided with the second spiral shell that lead is assembled on velocity modulation tube electron gun core electrode on adapter sleeve 330
Hole.
Claims (6)
1. a kind of klystron cathode heater sub-assembly and heater leading-off rods attachment structure, including cathode heater sub-assembly, heater
Lead wire lever and the adapter sleeve for connecting the cathode heater sub-assembly and the heater lead wire lever；It is characterized in that：The company
The terminal pad of female connector one end is fixed by screws on the connecting base plate of the cathode heater sub-assembly, the heater lead wire lever
One end from the insertion of the other end of the adapter sleeve up to the leading part of the heater lead wire lever is stretched into the cavity of the adapter sleeve,
And the heater pin of the cathode heater sub-assembly is stretched into the cavity until being fitted in the table of leading part front end connecting plate
On face；
The compact heap with fixing hole is disposed with above the heater pin, fixing bolt sequentially passes through the spiral shell of the connecting plate
The heater pin is pressed between the connecting plate and the compact heap by the fixing hole of keyhole and the compact heap.
2. klystron cathode heater sub-assembly and heater leading-off rods attachment structure according to claim 1, it is characterised in that：
Vertical direction positioned at the leading part is inserted with the first porcelain tube, and the horizontal direction positioned at the leading part is inserted with the second porcelain
Pipe, and be not communicated with leaving gap between first porcelain tube and second porcelain tube, after the first nickel wire passes through first porcelain tube
Two free ends are bended respectively to be welded on the outer peripheral edge of the adapter sleeve, the second nickel wire through second porcelain tube latter two from
It is welded on by holding to bend respectively on the outer peripheral edge of the adapter sleeve.
3. klystron according to claim 1 or claim 2 cathode heater sub-assembly and heater leading-off rods attachment structure, its feature exist
In：The backing plate with through hole is lined between the heater pin and the compact heap, between the connecting plate and the nut of the bolt
It is lined with the pressure strip with positioning hole.
4. klystron according to claim 1 or claim 2 cathode heater sub-assembly and heater leading-off rods attachment structure, its feature exist
In：The diameter of first nickel wire and second nickel wire is 0.8~1.0mm.
5. klystron according to claim 1 or claim 2 cathode heater sub-assembly and heater leading-off rods attachment structure, its feature exist
In：The number of the fixing bolt is two, and two fixing bolts are arranged symmetrically in the both sides of the heater pin.
6. the attachment structure that klystron according to claim 1 or claim 2 is drawn with cathode heater sub-assembly and heater, its feature exist
In：Lead is assembled on klystron insulating ceramics component chassis first is provided with the other end of the heater lead wire lever
Screw, the second screw that lead is assembled on velocity modulation tube electron gun core electrode is provided with the adapter sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452552.XA CN107452581B (en) | 2017-06-15 | 2017-06-15 | Cathode heat sub-assembly and heat extraction rod connection structure for klystron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710452552.XA CN107452581B (en) | 2017-06-15 | 2017-06-15 | Cathode heat sub-assembly and heat extraction rod connection structure for klystron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107452581A true CN107452581A (en) | 2017-12-08 |
| CN107452581B CN107452581B (en) | 2023-06-02 |
Family
ID=60486544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710452552.XA Active CN107452581B (en) | 2017-06-15 | 2017-06-15 | Cathode heat sub-assembly and heat extraction rod connection structure for klystron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107452581B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878232A (en) * | 2018-07-04 | 2018-11-23 | 中国科学院电子学研究所 | Hot cathode component for vacuum electron device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567406A (en) * | 1983-05-16 | 1986-01-28 | Siemens Aktiengesellschaft | High-gain Klystron-tetrode |
| US6300715B1 (en) * | 1999-02-16 | 2001-10-09 | Thomson Tubes Electroniques | Very high power radiofrequency generator |
| CN102208308A (en) * | 2010-03-31 | 2011-10-05 | 中国科学院电子学研究所 | Method for frame mounting of non-intercepting gridded electron gun of klystron |
| CN205723433U (en) * | 2016-03-25 | 2016-11-23 | 湖北汉光科技股份有限公司 | High voltage microwave power source |
| CN207398061U (en) * | 2017-06-15 | 2018-05-22 | 湖北汉光科技股份有限公司 | The effective cathode heater sub-assembly of velocity modulation and heater leading-off rods connection structure |
-
2017
- 2017-06-15 CN CN201710452552.XA patent/CN107452581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567406A (en) * | 1983-05-16 | 1986-01-28 | Siemens Aktiengesellschaft | High-gain Klystron-tetrode |
| US6300715B1 (en) * | 1999-02-16 | 2001-10-09 | Thomson Tubes Electroniques | Very high power radiofrequency generator |
| CN102208308A (en) * | 2010-03-31 | 2011-10-05 | 中国科学院电子学研究所 | Method for frame mounting of non-intercepting gridded electron gun of klystron |
| CN205723433U (en) * | 2016-03-25 | 2016-11-23 | 湖北汉光科技股份有限公司 | High voltage microwave power source |
| CN207398061U (en) * | 2017-06-15 | 2018-05-22 | 湖北汉光科技股份有限公司 | The effective cathode heater sub-assembly of velocity modulation and heater leading-off rods connection structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878232A (en) * | 2018-07-04 | 2018-11-23 | 中国科学院电子学研究所 | Hot cathode component for vacuum electron device |
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| Publication number | Publication date |
|---|---|
| CN107452581B (en) | 2023-06-02 |
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