CN202855698U - External pipe heat dissipation component structure used for diffusion welding - Google Patents
External pipe heat dissipation component structure used for diffusion welding Download PDFInfo
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- CN202855698U CN202855698U CN 201220362212 CN201220362212U CN202855698U CN 202855698 U CN202855698 U CN 202855698U CN 201220362212 CN201220362212 CN 201220362212 CN 201220362212 U CN201220362212 U CN 201220362212U CN 202855698 U CN202855698 U CN 202855698U
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- copper sheet
- heat dissipation
- pure iron
- diffusion welding
- heat radiation
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Abstract
The utility model relates to an external pipe heat dissipation component structure used for diffusion welding. The external pipe heat dissipation component structure comprises a copper sheet and pure iron sheets disposed on an upper end face and a lower surface of the copper sheet. The copper sheet is welded between the two pure iron sheets in a diffusion manner. The center of the copper sheet lines up with the centers of the two pure iron sheets. A plurality of heat dissipation blades are disposed on the copper sheet. Through the two pure iron sheets and the copper sheet, wherein the copper sheet is welded between the two pure iron sheets and the three centers are coincided, the stable structure is formed by applying certain external forces to perform diffusion welding. The external pipe heat dissipation component structure is provided with heat dissipation blades. The external pipe heat dissipation component structure meets requirement of slow wave system magnetic focusing, meets requirement of slow wave system air cooling heat dissipation, and ensures smooth implement of diffusion welding. The external pipe heat dissipation component structure is advantaged by stable structure, convenient assembling, and good heat dissipation performance. The external pipe heat dissipation component structure can be applied in a slow wave system of a broadband segment output power 100W air cooling travelling wave tube.
Description
Technical field
The utility model belongs to microwave electrovacuum field, particularly be the outer heat radiation assembly structure of a kind of travelling wave tube pipe by Diffusion Welding.
Background technology
Travelling wave tube is a kind of electron tube, is a kind of microwave signal amplifying device, and its structure comprises electron gun, slow wave system, collection level, delivery of energy structure and focusing structure etc.That its type of cooling can be divided into is air-cooled, conduction cooling and water-cooling structure, in air-cooled structure, need to collect level and slow wave system to the position of its heat maximum and carry out high wind and dispel the heat.Collect level when design and making, considered heat dissipation problem, problem is little; But because the strong magnetic of its outside need carries out the focusing of electron beam, generally adopt pure iron and permanent magnet to realize focusing in slow wave system, radiator structure is difficult to realize in design.In order to increase heat dispersion, sometimes adopt the good copper of heat conductivility to be inserted in pure iron and the permanent magnet slit, sometimes adopt the mode of welding with copper and pure iron welding.Can guarantee during welding that the copper metal leads away the heat on the pure iron faster, the welding manner of often taking has soldering, brazing and diffusion welding.
Soldering generally is usually used in the conduction cooling one section of fin being welded on the base plate, the simultaneously fin other end and pure iron welding, and shortcoming is large to thermal shock on every side when being welding, and the scolder trickling is wayward.Soldering is before slow-wave component assembling fin and pure iron to be welded, and weld strength is good, and utilance is many, and scolder trickles during shortcoming affects the assembly precision of magnetic sheet to Pure Iron Surface.
The utility model content
For the deficiency that exists on the prior art, the utility model purpose is to be to provide a kind of magnetically focused requirement of slow wave system of namely satisfying, and satisfies again the Diffusion Welding outer heat radiation assembly structure of pipe that the slow wave system heat radiation requires.
To achieve these goals, the utility model is to realize by the following technical solutions:
Diffusion Welding is with managing outer heat radiation assembly structure, it comprises copper sheet and is arranged on the up and down pure iron sheet on the both ends of the surface of copper sheet, described copper sheet Diffusion Welding is in the middle of two described pure iron sheets, and the center superposition of described copper sheet and two pure iron sheets is provided with a plurality of heat radiation gear pieces at described copper sheet.
Above-mentioned Diffusion Welding is with managing outer heat radiation assembly structure, and wherein, described pure iron sheet is the disc-shaped structure, and its center is provided with circular hole, is provided with on the described pure iron sheet about the center of circular hole symmetry, and is used for two location holes of location copper sheet.
Above-mentioned Diffusion Welding is with managing outer heat radiation assembly structure, and wherein, described copper sheet arranges the gelled thin-wall circular sheet that is, its center is provided with circular port; Be provided with a plurality of heat radiation gear pieces on the circumferential edges of described copper sheet.
Above-mentioned Diffusion Welding is with managing outer heat radiation assembly structure, and wherein, described heat radiation gear piece is provided with 24, and is evenly distributed on the circumferential edges of copper sheet, makes the circumferential edges of copper sheet be dentalation.
In order to be convenient to that behind components welding assembly is dismantled, the one side Diffusion Welding of described pure iron sheet is provided with chamfering on the cylindrical of its another side on copper sheet.
The utility model is by two pure iron sheets and a copper sheet, wherein copper sheet is welded in the middle of the two pure iron sheets, three's center superposition, apply certain external force and carry out Diffusion Welding formation rock-steady structure, and be provided with the heat radiation gear piece, namely satisfy the magnetically focused requirement of slow wave system, satisfy again the requirement of slow wave system wind-cooling heat dissipating, guarantee the smooth enforcement of Diffusion Welding, it has advantages of Stability Analysis of Structures, easy to assembly, excellent heat dissipation performance, may be used in the slow wave system of the air-cooled travelling wave tube of certain broadband section power output 100W.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is the side-looking cross-sectional view of pure iron sheet of the present utility model;
Fig. 2 is the structural representation of facing of pure iron sheet of the present utility model;
Fig. 3 is the structural representation of facing of copper sheet of the present utility model;
Fig. 4 is cutaway view of the present utility model;
Fig. 5 is front view of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1 and Fig. 2, the present embodiment provides a kind of metal structure for the Diffusion Welding use, in its traveling wave tube slow-wave system, be specially Diffusion Welding with managing outer heat radiation assembly structure, it comprises two pure iron sheets 10 and a copper sheet 20, and wherein copper sheet 20 Diffusion Welding are between two pure iron sheets 10, three's center superposition, carry out Diffusion Welding and can form rock-steady structure axially applying certain external force, guarantee the smooth enforcement of Diffusion Welding, satisfy wanting of wind-cooling heat dissipating; The diffusion welding (DW) of the present embodiment is for to be clipped in copper sheet 20 between the pure iron sheet 10, the external diameter of copper sheet 20 is the heat radiation laminated structure, be convenient to the high wind heat radiation, often utilize in air-cooled slow wave system, the internal diameter of copper sheet 20 is identical with pure iron sheet 10 internal diameters, and the contact area of pure iron is large, and being conducive to derives heat, open does not affect the assembling chi and asks.
It is worth mentioning that, diffusion welding structure is mainly in order to carry out the heat radiation of slow wave system, slow wave itself also has magnetically focused effect, so this structure will be similar to the pole shoe structure in original slow wave system, discoid, consider heat dispersion, pole shoe is divided into two parts, the middle copper sheet that increases increases heat radiation, adopts the Diffusion Welding form.
In this enforcement, copper sheet 20 is the thin-wall circular sheet, and as shown in Figure 3, there is circular port 21 at its center, and central round orifice 21 is more bigger than the center hole 11 of pure iron, when being convenient to assemble the core bar of anchor clamps by and fixing.Copper sheet 20 outer circular edge are processed with 24 equally distributed dentalations, and as the heat radiation gear piece 22 of slow wave system, the two sides of copper sheet 20 is the diffusion welding (DW) junction, surfacing, and fineness is good, generally adopts sheet material processing.
As shown in Figure 4 and Figure 5, during assembly welding, copper sheet 20 is welded in the middle of the two pure iron sheets 10, three's center superposition.Carry out forming rock-steady structure between the Diffusion Welding three axially applying the heating of certain external force during welding; Two location holes 12 on the fixedly employing pure iron sheet 10 radially are in when welding heating, the copper sheet 20 stressed part copper Material Fillings that are extruded with in the location hole 12 of pure iron sheet 10, thereby position.
The utility model is applied in the slow wave system of the air-cooled travelling wave tube of certain broadband section power output 100W, and the copper dentation with this structure after the slow wave system embedding is processed reverses 90 °, better heat-radiation effect.
The utility model can be used in the slow wave system radiator structure of certain travelling wave tube, this structure applies certain external force and carries out Diffusion Welding formation rock-steady structure, satisfy the magnetically focused requirement of slow wave system, radiating effect is good, may be used in the slow wave system of the air-cooled travelling wave tube of certain broadband section power output 100W.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. Diffusion Welding is with managing outer heat radiation assembly structure, it comprises copper sheet and is arranged on the up and down pure iron sheet on the both ends of the surface of copper sheet, it is characterized in that, described copper sheet Diffusion Welding is in the middle of two described pure iron sheets, the center superposition of described copper sheet and two pure iron sheets is provided with a plurality of heat radiation gear pieces at described copper sheet.
2. Diffusion Welding according to claim 1 is characterized in that with the outer heat radiation assembly structure of pipe, and described pure iron sheet is the disc-shaped structure, and its center is provided with circular hole, is provided with on the described pure iron sheet about the center of circular hole symmetry, and is used for two location holes of location copper sheet.
3. Diffusion Welding according to claim 1 and 2 is characterized in that with the outer heat radiation assembly structure of pipe, and described copper sheet arranges the gelled thin-wall circular sheet that is, its center is provided with circular port; Be provided with a plurality of heat radiation gear pieces on the circumferential edges of described copper sheet.
4. Diffusion Welding according to claim 3 is characterized in that with the outer heat radiation assembly structure of pipe, and described heat radiation gear piece is provided with 24, and is evenly distributed on the circumferential edges of copper sheet.
5. Diffusion Welding according to claim 1 and 2 is characterized in that with the outer heat radiation assembly structure of pipe, and the one side Diffusion Welding of described pure iron sheet is provided with chamfering on the cylindrical of its another side on copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362212 CN202855698U (en) | 2012-07-25 | 2012-07-25 | External pipe heat dissipation component structure used for diffusion welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362212 CN202855698U (en) | 2012-07-25 | 2012-07-25 | External pipe heat dissipation component structure used for diffusion welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855698U true CN202855698U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220362212 Expired - Fee Related CN202855698U (en) | 2012-07-25 | 2012-07-25 | External pipe heat dissipation component structure used for diffusion welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970090A (en) * | 2021-11-16 | 2022-01-25 | 成都东骏激光股份有限公司 | Static ceramic lighting assembly, preparation method thereof and lighting device |
-
2012
- 2012-07-25 CN CN 201220362212 patent/CN202855698U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970090A (en) * | 2021-11-16 | 2022-01-25 | 成都东骏激光股份有限公司 | Static ceramic lighting assembly, preparation method thereof and lighting device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20180725 |