CN101533750A - Effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band and realizing method thereof - Google Patents
Effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band and realizing method thereof Download PDFInfo
- Publication number
- CN101533750A CN101533750A CN200910135710A CN200910135710A CN101533750A CN 101533750 A CN101533750 A CN 101533750A CN 200910135710 A CN200910135710 A CN 200910135710A CN 200910135710 A CN200910135710 A CN 200910135710A CN 101533750 A CN101533750 A CN 101533750A
- Authority
- CN
- China
- Prior art keywords
- supporting rod
- wave
- slide glass
- medium supporting
- slow
- 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.)
- Pending
Links
Images
Abstract
The invention provides an effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band and a realizing method thereof which belong to the microwave electronics device field. The structure includes a media clamp rod contacted tightly by a helical line slow-wave structure through the surrounding, and a heat conducting channel composed by the outmost layer pipe case, sawtooth containing sector surface arranges on longitudinal direction of the medium clamp rod, each sawtooth periphery increases a load patch layer contacted with the sawtooth for increasing contact area, a heat conducting compound metal film is plated on a surface between the load patch and the media clamp rod; a heat conducting copper film is plated on a contact surface between the load patch and the pipe case. The realizing method includes flow step operation as follows: A selects the load patch, B selects the media clamp rod. The method can improve heat stability of millimeter wave slow-wave system; uses the clamp rod with less section size, reduces high-frequency consumption in the slow-wave system design and increases the radiator ability.
Description
Technical field
The invention belongs to the microwave electronic device field, be specifically related to the efficiently radiates heat method of helix line slow-wave system in the microwave and millimeter wave travelling wave tube.
Background technology
In microwave electronic device, the restriction of millimeter wave traveling wave tube power output level directly is associated with the efficiently radiates heat problem of slow wave system in the device, therefore in the process of development millimeter wave traveling wave tube, finds the reliable solution of this problem very important.This complex nature of the problem mainly is because following factor: on the one hand, electronics is annotated and is defocused that the flow through thermal losses of helix line slow-wave system all can cause the helix temperature to rise with microwave power; On the other hand, the heat in electron gun, collector zone also can promote the temperature of helix line slow-wave system to the conduction of helix zone.Simultaneously, along with working band to the widening of millimeter wave, the high-frequency loss of helix line slow-wave system increases.Reducing of the part size of slow wave system and pipe heat radiation size increased the difficulty of slow wave system cooling, and helix is very very thin, and temperature is too high will burn.Reduce the helix temperature and can improve reliability and reduce the high-frequency loss of power on helix, guarantee the thermal stability of small-scale structure helix line slow-wave system, we solve the heat dissipation problem of slow wave system with regard to an urgent demand for this.Heat on the helix line slow-wave system needs to derive through " helix-medium supporting rod " and " medium supporting rod-shell " two hot interfaces.In traditional technology, all be to take from helix, and this clamping tightness degree of two is worked hard from the medium supporting rod to shell to the medium supporting rod, as possible they are clamped, to such an extent as to often cause the breakage of medium supporting rod.The fine or not situation of length, contact pressure or the welding of the size of the capacity of heat transmission between helix, medium supporting rod and shell, the heat conductivility of material, contact-making surface and contact quality, heat conduction approach etc. all is the key factor of influence heat radiation.
Summary of the invention
The technical issues that need to address of the present invention are syndeton relations of rethinking between helix line slow-wave system-medium supporting rod-shell, to transform the heat radiation level between them.The object of the present invention is to provide effective radiator structure and its implementation of a kind of millimeter wave traveling wave tube slow-wave system with wide frequency band, employing increases between medium supporting rod and Can with slide glass, with increasing one deck composite material between slide glass and the supporting rod, with also increasing one deck thermal conductive metallic material between slide glass and the shell, guarantee that both effectively contact, simultaneously traditional supporting rod is contacted with shell and change supporting rod into, with contacting between slide glass and shell, introducing has not only been widened frequency band with slide glass, also increased the area of dissipation of supporting rod, change circular supporting rod into sector structure again, increased and, improved the thermo-contact between supporting rod surface and the shell effectively with the contact area of slide glass.For finishing the object of the invention, specifically realize by the following technical solutions, a kind of effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band, comprise by helical line slow-wave structure through the medium supporting rod of its peripheral closely contact and the heat conduction via that outermost shell is formed, it is characterized in that, described medium supporting rod, it is vertically arranging the sawtooth that contains scalloped surface, each sawtooth is peripheral increase that one deck is in contact with it with slide glass, this surface that contacts with described medium supporting rod with slide glass is coated with the composite metal membrane of one deck heat conduction; Described contact surface place with slide glass and shell is coated with one deck heat conduction copper film.Described its substrate is a tungsten layer with one deck heat conduction composite metal membrane that plates on the slide glass, plates one deck copper film above the tungsten layer again.Described loading chip architecture, it not only contacts with the curved rear of medium supporting rod, also and these medium supporting rod two sides contact.A kind of implementation method by above-mentioned millimeter wave traveling wave tube slow-wave system effective radiator structure is characterized in that this method is operated according to the following steps:
A selects with slide glass,
Aa places on electroplating clamp with slide glass, puts into filming equipment again,
Ab adopts the copper facing of electric resistor heating type evaporation, heating current 350 ± 10A, 8-10 minute
B selects the medium supporting rod,
Ba places the medium supporting rod on coating clamp, be heated to 460-540 ℃, vacuum degree 3 * 10
-3Pa, retention time 15-20 minute,
Bb adopts electric resistor heating type evaporation plating tungsten, beam electronic current 260 ± 20mA, and vacuum degree is less than (8-9) 10
-4Pa kept 15-20 minute,
Bc adopts the copper facing of electric resistor heating type evaporation,
The C medium supporting rod of plated film puts into slide glass,
D will load the sheet shell of packing into the cold method of suppressing,
E with the hot compression method with helix, medium supporting rod, be fixed into tight contact shape with slide glass and shell.
Beneficial effect of the present invention can greatly improve the thermal stability of millimeter wave slow wave system for (1); (2) compare with other known methods, the manufacturing process amount of labour of the present invention is little, and can avoid the technological operation of a series of complexity; (3), thereby can reduce high-frequency loss in the slow wave system design owing to can use the more supporting rod of small bore size, and the heat that the improves whole slow wave system ability of loosing.
Description of drawings
Fig. 1 will be equipped with the medium supporting rod with slide glass and the helix shell schematic diagram of packing into
Fig. 2 implementation method implementing procedure of the present invention figure
Embodiment
With reference to Fig. 1, expression will be equipped with medium supporting rod 1 with slide glass 2 and helix 3 shell 4 schematic diagrames of packing into.Changed traditional form cylinder medium supporting rod scheme among the figure, use into fan-shaped medium supporting rod instead, be that it is vertically arranging the sawtooth that contains scalloped surface, each sawtooth is peripheral increase that one deck is in contact with it with slide glass, this surface that contacts with described medium supporting rod with slide glass is coated with the composite metal membrane of one deck heat conduction; Described contact surface place with slide glass and shell is coated with one deck heat conduction copper film.
Adjust and load chip architecture, make with slide glass not only to contact, also contact with the two sides of supporting rod with the back of supporting rod.
With reference to Fig. 2, represent implementation method implementing procedure figure of the present invention, the implementation step among the figure is
A selects with slide glass
Aa places on electroplating clamp with slide glass, puts into filming equipment again
Ab adopts the copper facing of electric resistor heating type evaporation, heating current 350 ± 10A, 8-10 minute
B selects the medium supporting rod
Ba places the medium supporting rod on coating clamp, be heated to 460-540 ℃, vacuum degree 3 * 10
-3Pa, retention time 15-20 minute
Bb adopts electric resistor heating type evaporation plating tungsten, beam electronic current 260 ± 20mA, and vacuum degree is less than (8-9) 10
-4Pa kept 15-20 minute
Bc adopts the copper facing of electric resistor heating type evaporation
The C medium supporting rod of plated film puts into slide glass
D will load the sheet shell of packing into the cold method of suppressing
E with the hot compression method with helix, medium supporting rod, be fixed into tight contact shape with slide glass and shell.
The present invention can solve the diffusing problem of small size slow wave structure heat of the travelling wave tube of frequency band more than 20GHz.
Claims (4)
1. the effective radiator structure of a millimeter wave traveling wave tube slow-wave system with wide frequency band, comprise by helical line slow-wave structure through the medium supporting rod of its peripheral closely contact and the heat conduction via that outermost shell is formed, it is characterized in that, described medium supporting rod, it is vertically arranging the sawtooth that contains scalloped surface, each sawtooth is peripheral increase that one deck is in contact with it with slide glass, this surface that contacts with described medium supporting rod with slide glass is coated with the composite metal membrane of one deck heat conduction; Described contact surface place with slide glass and shell is coated with one deck heat conduction copper film.
The effective radiator structure of 2 millimeter wave traveling wave tube slow-wave system with wide frequency band according to claim 1 is characterized in that, described its substrate is a tungsten layer with one deck heat conduction composite metal membrane that plates on the slide glass, plates one deck copper film above the tungsten layer again.
3. the effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band according to claim 1 is characterized in that, described loading chip architecture, it not only contacts with the curved rear of medium supporting rod, also and these medium supporting rod two sides contact.
4. according to the implementation method of the described millimeter wave traveling wave tube slow-wave system with wide frequency band effective radiator structure of claim 1, it is characterized in that this method is operated according to the following steps,
A selects with slide glass
Aa places on electroplating clamp with slide glass, puts into filming equipment again
Ab adopts the copper facing of electric resistor heating type evaporation, heating current 350 ± 10A, 8-10 minute
B selects the medium supporting rod
Ba places the medium supporting rod on coating clamp, be heated to 460-540 ℃, vacuum degree 3 * 10
-3Pa, retention time 15-20 minute
Bb adopts electric resistor heating type evaporation plating tungsten, beam electronic current 260 ± 20mA, and vacuum degree is less than (8-9) 10
-4Pa kept 15-20 minute
Bc adopts the copper facing of electric resistor heating type evaporation
The C medium supporting rod of plated film puts into slide glass
D will load the sheet shell of packing into the cold method of suppressing
E with the hot compression method with helix, medium supporting rod, be fixed into tight contact shape with slide glass and shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910135710A CN101533750A (en) | 2009-04-27 | 2009-04-27 | Effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band and realizing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910135710A CN101533750A (en) | 2009-04-27 | 2009-04-27 | Effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band and realizing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101533750A true CN101533750A (en) | 2009-09-16 |
Family
ID=41104274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910135710A Pending CN101533750A (en) | 2009-04-27 | 2009-04-27 | Effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band and realizing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101533750A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841946A (en) * | 2010-05-05 | 2010-09-22 | 许龙 | Application of tungsten in microwave heating and device using tungsten as microwave heating part |
| CN103474312A (en) * | 2013-09-09 | 2013-12-25 | 电子科技大学 | Traveling-wave tube clamping rod and manufacturing method thereof |
| CN109936040A (en) * | 2019-04-04 | 2019-06-25 | 中国工程物理研究院应用电子学研究所 | A kind of media filler short pulse high-power pulsed ion beams |
-
2009
- 2009-04-27 CN CN200910135710A patent/CN101533750A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101841946A (en) * | 2010-05-05 | 2010-09-22 | 许龙 | Application of tungsten in microwave heating and device using tungsten as microwave heating part |
| CN103474312A (en) * | 2013-09-09 | 2013-12-25 | 电子科技大学 | Traveling-wave tube clamping rod and manufacturing method thereof |
| CN103474312B (en) * | 2013-09-09 | 2016-08-10 | 电子科技大学 | A kind of travelling-wave tube supporting rod and preparation method thereof |
| CN109936040A (en) * | 2019-04-04 | 2019-06-25 | 中国工程物理研究院应用电子学研究所 | A kind of media filler short pulse high-power pulsed ion beams |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105816240B (en) | For the antenna module of microwave ablation and using its microwave melt needle | |
| US20140272190A1 (en) | Annealing Method for Thin Film Electrodes | |
| CN105716461A (en) | Temperature equalizing plate with gradient porous capillary cores in plane direction and manufacturing method for temperature equalizing plate | |
| CN105220049A (en) | A kind of sheet diamond reinforced metal-base composite material and preparation method | |
| CN202825019U (en) | Cobalt target with high intensity | |
| CN103486784B (en) | Heat control system of high-power satellite-borne Stirling refrigerator | |
| CN101533750A (en) | Effective radiator structure of millimeter wave traveling wave tube slow-wave system with wide frequency band and realizing method thereof | |
| CN113613474A (en) | Preparation method of heat-conducting film | |
| CN103374698A (en) | Heating chamber and plasma processing equipment | |
| CN101383253B (en) | Preparation for slow wave component of spiral line travelling-wave tube | |
| CN110062516B (en) | Device for microwave plasma high-temperature heat treatment of filamentous materials | |
| CN113758325B (en) | VC radiator with built-in copper/diamond sintered liquid suction core and preparation method thereof | |
| CN101752168A (en) | Double-layer electrode for multi-level depressed collector and preparation process thereof | |
| CN103325645B (en) | A kind of diamond for travelling-wave tube-electro-coppering combined type supporting rod and manufacture method thereof | |
| CN103264219B (en) | The preparation method of a kind of tungsten, oxygen-free copper composite material | |
| CN110556319A (en) | Heater, semiconductor processing chamber and processing equipment | |
| CN203386704U (en) | Helix travelling wave tube slow wave clamping structure | |
| CN103090562A (en) | Flat-plate heat pipe solar collector | |
| CN101441150A (en) | Vacuum thermal insulation heating apparatus | |
| CN102814585A (en) | Method for welding target and rear plate | |
| CN101533748B (en) | Improved hot shrinkage clamp method in helix line traveling wave tube slow-wave system | |
| CN202695372U (en) | Composite conduction structure of high thermal conduction material | |
| CN103394781A (en) | Device and method for soldering brass waveguide tube and water-cooling plate with high joint rate in vacuum state | |
| CN203277308U (en) | High thermal conductive slow wave system heat dissipation structure used in helix traveling wave tube | |
| CN207743189U (en) | A kind of spoke cold mould space travelling wave tube that heat-sinking capability is strong |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20090916 |