CN1645543A - Magnetron - Google Patents
Magnetron Download PDFInfo
- Publication number
- CN1645543A CN1645543A CNA200410042190XA CN200410042190A CN1645543A CN 1645543 A CN1645543 A CN 1645543A CN A200410042190X A CNA200410042190X A CN A200410042190XA CN 200410042190 A CN200410042190 A CN 200410042190A CN 1645543 A CN1645543 A CN 1645543A
- Authority
- CN
- China
- Prior art keywords
- blade
- guiding groove
- anode
- blades
- link slot
- 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
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Classifications
-
- 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
- H01J23/14—Leading-in arrangements; Seals therefor
- H01J23/15—Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices
-
- 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
- H01J23/12—Vessels; Containers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
- H01J25/587—Multi-cavity magnetrons
Landscapes
- Microwave Tubes (AREA)
Abstract
A magnetron includes an anode cylinder; a cathode provided at a center of the anode cylinder; a plurality of anode blades connected to an inner surface of the anode cylinder to be arranged to the cathode along a radial direction; a band shape ring connected to the plurality of anode blades respectively; connection grooves formed on the blades to be used for connection of the band shape ring; first guide grooves formed at relative sides of each of the blades so as to guide a portion of melting solder which connects the blades to the band shape ring to the connection grooves; and second guide grooves communicated with the first guide grooves, formed at inner surfaces of each of the blades so as to guide the portion of melting solder which is guided by the first guide grooves to the connection grooves. In this way, the outer band shape ring is capable of being connected on the blades without an alone welding process and connection depravation between the outer band shape ring and the blades. In addition, manufacturing process is simplifiedn and manufacturing cost is reduced.
Description
Cross
The application requires the rights and interests of korean patent application 2004-4096, and this application was submitted to Korea S Department of Intellectual Property on January 20th, 2004, and its disclosed content is incorporated into here by reference.
Technical field
The present invention relates to magnetron, relate in particular to the magnetron that band shape ring with enhancing is connected with the anode blade soldering.
Background technology
Usually, magnetron is applied to produce strong high frequency waves such as the device and the utilization of radar or microwave oven by the special vacuum tube that applies magnetic field control electron stream.
Magnetron is provided with a plurality of anode blades of radial arrangement on the anode tube inner surface and the cathode filament that is installed in anode tube center.That is, the anode tube within it the side radial arrangement a plurality of anode blades are arranged with around cathode filament.Each anode blade has the outer end of the inner surface that is welded to the anode tube and has the interior upper end and the interior lower end of the blade that is fixed to banded ring.Each banded ring comprises than the interior banded ring of minor diameter and larger-diameter outer banded ring, banded ring and outer banded ring in a plurality of anode blades alternately are connected to, thus the high frequency current potential of the blade of adjacency is opposite each other.Anode blade and band are connected to each other by welding respectively.Simultaneously, in the time of in the prior art on anode blade being connected to the link slot that banded ring and banded ring be installed in blade, heat is applied to the band shape ring that outer surface is provided with scolder in advance, and melting solder is connected to each other respectively to allow banded ring and blade thus.
Yet the problem of traditional magnetron is that scolder is coated to outer surface of each banded ring in advance, not only makes complicate fabrication process and difficulty thus, and causes the banded deterioration that is connected that encircles with blade because the welding between banded ring and the blade lacks uniformity.
As a kind of method that overcomes this problem, Japan Patent announces that openly No.Hei 1-95442 has disclosed a kind of structure, and this structure allows the scolder of fusing along flowing to banded ring at length direction at the groove of the opposite side formation of each blade.Specifically, as reducing the banded a kind of trial that encircles the deterioration that is connected with blade, this patent proposes said structure, wherein when by welding blade being connected to the inner surface of anode tube, the scolder of fusing is forced to flow to each banded ring that will be connected to blade along the groove of blade opposite side.
Yet, according to said structure, owing to be used to guide the groove of melting solder to be formed on opposite side, therefore also has following problem, promptly in fact the scolder of fusing does not flow in the connection groove of the blade that will be connected to banded ring, thereby also causes the deterioration that banded ring is connected with blade and be used in advance the technology of solder coating to each banded ring outer surface can not being removed.
Summary of the invention
Therefore, an aspect of of the present present invention provides a kind of magnetron, this magnetron allows to flow in the connection groove of the blade that will be connected to each banded ring along the melting solder of the groove guides that is formed on each blade opposite side, thereby reduces the deterioration that banded ring is connected with blade.
Another aspect of the present invention provides a kind of magnetron, and this magnetron makes banded ring accurately be connected each other with blade, and needn't simplify manufacture process thus and reduce manufacturing cost in advance with the outer surface of solder coating to each banded ring.
According to an aspect of the present invention, the invention provides a kind of magnetron, described magnetron comprises: the anode tube; Be arranged on the negative electrode at anode tube center; Be connected to the anode tube inner surface so that center on a plurality of anode blades that negative electrode is radially arranged; Be fixed to the band shape ring of a plurality of anode blades; Be formed on each blade so that the link slot that banded ring is connected thereto; The opposite side that first guiding groove, described first guiding groove are formed on each blade is directed into each link slot for use in the partial melting scolder that blade is connected to banded ring; And second guiding groove, described second guiding groove is formed on the inner surface of each blade and extends to first guiding groove, thereby is directed in each link slot by the partial melting scolder of first guiding groove guiding.
Magnetron can also comprise and be used to produce the antenna of high frequency on one that is connected in a plurality of blades and be formed on be used on the blade antenna is installed to antenna mounting groove on the blade.Antenna can extend to first guiding groove of blade opposite side from the part that is connected to the antenna mounting groove and be connected to first guiding groove by the melting solder that flows along first guiding groove then.
Second guiding groove can have relative end, and described end extends to first guiding groove that is formed on each blade opposite side.
First guiding groove and second guiding groove can have " V " shape shape respectively.
Description of drawings
Read following detailed description above-mentioned aspect of the present invention in conjunction with the drawings, it is clearer that further feature and advantage will become, wherein:
Fig. 1 is the cutaway view according to the structure of magnetron of the present invention;
Fig. 2 is the perspective view according to the structure of the anode body of magnetron of the present invention;
Fig. 3 and Fig. 4 describe according to the anode blade of magnetron of the present invention and the view of the banded syndeton of encircling;
Fig. 5 is formed in the perspective view according to the structure of first and second guiding grooves in the anode blade of magnetron of the present invention; And
Fig. 6 is the perspective view of describing according to the connection status of the antenna of magnetron of the present invention and the band shape ring on the anode blade.
Embodiment
Describe non-limiting examples of the present invention below with reference to accompanying drawings in detail.
As shown in Figure 1, magnetron according to the present invention comprises the anode body 10 that is centered on by outer yoke 1 and a plurality of cooling pin (pins) 2, and the negative electrode 30 that is arranged on the center of anode body 10 inside.Magnetron also comprises the last magnet 51 and the lower magnet 52 of the upper and lower that is separately positioned on anode body 10, thereby electromagnetic field produces in the operating space 40 that is formed between anode body 10 and the negative electrode 30.
Negative electrode 30 at anode body 10 centers comprises: the coiled type filament 33 that shielding part 31 and following shielding part 32 are installed with the lower end in the top; Be arranged on filament 33 centers and have the upper end that is connected to shielding part 31 and the central lid (lid) 34 of passing through to descend shielding part 32 downward lower ends of extending; And the side cover (lid) 35 that is connected to down the outer peripheral portion of shielding part 32.Central lid 34 and side cover 35 are connected to external power source, so that electric power is supplied with filament.When filament 33 is heated by applying electric power, blade 12 and 13 heat of emission ions (below will describe) of negative electrode 30 in anode body 10.
As shown in Fig. 1 and Fig. 2, anode body 10 also comprises the anode tube of being made up of the anaerobic tube 11 except a plurality of anode blades 12 and 13, and the last utmost point spare 14 and the following utmost point spare 15 that are separately positioned on the upper and lower of anode tube 11, last utmost point spare 14 and following utmost point spare 15 are used for the operating space 40 between each the end that electromagnetic field with last magnet 51 and lower magnet 52 generations focuses on negative electrode 30 and anode blade 12 and 13.A plurality of anode blades 12 and 13 in the radial arrangement of negative electrode 30, are connected to the inner surface of anode tube 11 along the center simultaneously.
As shown in Figure 2, anode blade 12 and 13 quantity are even numbers, and anode blade 12 and 13 is around intervals that negative electrode 30 evenly equates each other at interval.The inner that in the blade 12 and 13 each has the outer end that is welded to anode tube 11 inner surfaces and is welded to banded ring 16 and 17.Banded ring comprises than the interior banded ring 16 of minor diameter and larger-diameter outer banded ring 17.Each blade 12 and 13 is formed with at an upper portion thereof and at a lower portion thereof and is used for the band shape ring 16 that will be connected thereto and 17 link slot 18 and 19.
In addition, a plurality of anode blades 12 and 13 alternately are connected with 17 with two banded rings 16, thereby the high frequency current potential of connection blade is opposite each other.That is, shown in Fig. 3 and 4, each in the blade 12 and 13 has link slot 18 and 19.Each link slot 18 or 19 have be suitable for and banded ring 16 and 17 in a relevant stepped coupling part 18a or a 19a who is connected, and be suitable for the band shape ring 16 that will be correlated with or 17 with relevant blade 12 or 13 isolated groove shape compartment 18b or 19b.Each link slot 18 and 19 is arranged in the upper and lower of blade 12 or the bottom and the top of blade 13, thereby the relative radial position of coupling part 19a in the relative radial position of coupling part 18a in the link slot 18 and compartment 18b and the link slot 19 and compartment 19b toward each other.As shown in Figure 3, for each blade 12, wherein each link slot 18 and 19 is arranged in the upper and lower of blade 12, the interior banded ring 16 that is suitable for being connected with last link slot 18 is arranged on the clearance space 18b of link slot 18, and the outer band shape that is suitable for being connected with last link slot 18 is encircled 17 and is connected with the coupling part 18a of last link slot 18.In addition, the interior banded ring that is suitable for being connected with following link slot 19 16 is connected with the coupling part 19a of following link slot 19, and the outer band shape that is suitable for being connected with following link slot 19 is encircled the 17 compartment 19b that are arranged on down link slot 19.Simultaneously, each that is arranged in the blade 13 that the opposite side of each blade 12 is adjacent simultaneously is relative with blade 12 with 19 layout according to link slot 18, as shown in Figure 4.That is, each link slot 18 and 19 of each blade 13 is arranged in the bottom and the top of blade 13.Specifically, the interior banded ring 16 that is suitable for being connected with last link slot 19 is arranged on the coupling part 19a of link slot 19, and the outer band shape that is suitable for being connected with last link slot 19 is encircled 17 and is connected with the compartment 19b of last link slot 19.In addition, the interior banded ring that is suitable for being connected with following link slot 18 16 is connected 18b with the compartment of following link slot 18, and the outer band shape that is suitable for being connected with following link slot 18 is encircled the 17 coupling part 18a that are arranged on down link slot 18.As a result, a plurality of blades 12 and 13 alternately are connected to banded ring 16 and 17, thereby the high frequency current potential that connects blade 12 and 13 is opposite each other.
As shown in Figure 2, in a plurality of anode blades 12 and 13 one is provided with the antenna 20 that is used for high frequency is discharged into the outside, and is formed with at blade 12 or 13 places and is used for antenna mounting groove 21 that antenna 20 is connected thereto.
In above-mentioned this magnetron, when central lid 34 and the side cover 35 when being applied to filament 33 of electric power by anode part 30, filament 33 is heated, and launches thermion.In addition, the operating space 33 between filament 33 and anode blade 12 and 13 is formed with the one group of electronics that is formed by the thermion that discharges.In addition, operating space 33 is full of highfield therein by being applied to the driving voltage on the anode body 10, and uses by last magnet 51 and lower magnet 51 and lower magnet 52 and operate by the electromagnetic field that last utmost point spare 14 and following utmost point spare 15 vertically produce the operating space.The result, the one group of electronics that is transmitted into operating space 40 from filament 33 is accompanied by the spiral that produces by the strong-electromagnetic field influence and rotatablely moves and advance towards anode blade 12 and 13, and responds to from anode blade 12 and 13 with the high frequency of the corresponding resonance frequency of rotary speed of one group of electronics.High frequency is released to the outside by antenna 20.
Simultaneously, as illustrated in Figures 5 and 6, a plurality of anode blades 12 and 13 are welded to the inner surface of anode tube 11 by typical welding procedure, and described typical welding procedure comprises silver for heating, and the scolder of copper etc. is with melting solder 10.In addition, interior banded ring 16 and outer banded ring 17 are fixed by welding to each last link slot 18 and the following link slot 19 in blade 12 and 13.Here, in the present invention, in banded ring 16 utilize typical welding procedure to be fixed to the upper, and the part of the scolder of banded ring 17 by allowing fusing flows to and outer band shape is installed encircles coupling part 18a in each link slot 18 of 17 during the processing of the inside that anode blade 12 and 13 is connected to anode tube 11 outside.
For this reason, each in the blade 12 and 13 is formed with the first V-arrangement guiding groove 23 at the opposite side of blade, and described guiding groove 23 extends to link slot 18 along the longitudinal direction from the end that is connected to anode tube 11 inner surfaces.The link slot 18 of each in the blade 12 and 13 is formed with the second V-arrangement guiding groove 24, and described guiding groove 24 extends to first guiding groove 23 of the inner surface of coupling part 18a, so that be connected to outer banded ring 17.Here, second groove 24 has relative end, and described end extends to first guiding groove 23 of the opposite side that is formed on blade respectively.
Adopt said structure, in the process of the inner surface that each blade 12 and 13 is connected to anode tube 11, the scolder of fusing is directed to link slot 18 by first guiding groove 23, and continue to be directed into the inner surface of the coupling part 18a of the link slot that outer banded ring 17 is installed, fixing thus outer banded ring 17 by the melting solder of first guiding groove 23 guiding.Here, soldered and outer surface outer banded ring closely contacts with the inner surface of coupling part 18a because outer banded ring 17 utilizes along the scolder of the fusing of second guiding groove, 24 guiding, therefore outer banded ring can be fixed to the upper reliably, does not worsen and can not occur connecting.Thus, outer banded ring 17 does not need to be used in advance solder coating being arrived the technology of its outer surface and independent welding operation, and manufacturing process can be simplified and also can reduce manufacturing cost thus.
In the present invention, when fixing outer banded 17 the melting solder of encircling when first guiding groove 23 flows to link slot 18, antenna 20 is connected to blade 12 or 13.For this reason, as shown in Figure 5, the opposite side of the lower end of the antenna 20 on the antenna mounting groove 21 that is installed in blade 12 places, antenna 20 is formed with standing part 22, and this standing part 22 is formed on the opposite side of blade 12 or 13 with covering the state of first guiding groove 23 extends to first guiding groove 23.That is, antenna 20 is provided with standing part 22, and this standing part further extends to the bottom from the opposite side of the lower end of antenna 20, to arrive first guiding groove 23.This structure can be fixed the standing part 22 of the opposite side of antenna 20 lower ends by the melting solder that flows along first guiding groove 23, has simplified the manufacturing process of magnetron thus.
Can obviously find out from above-mentioned explanation, employing is according to the manufacturing process of magnetron of the present invention, in the process that blade is connected to banded ring, the scolder of fusing is directed to the inside that the outer banded link slot that encircles is installed along first and second guiding grooves, thereby outer banded ring can be fixed on it, and does not need independent welding process.In addition, the scolder of fusing has reduced the deterioration that outer banded ring is connected with blade thus along the inside of second guiding groove arrival link slot.
In addition, the present invention makes banded ring can be connected to blade, and in advance will solder coating outside each, do not make antenna can be fixed to blade when the link slot that band shape is encircled each outside is installed on the outer surface of banded ring and when the scolder of fusing flows to, thereby can simplified manufacturing technique and also can reduce manufacturing cost.
Although for two locking projections and notches has disclosed the preferred embodiments of the present invention, but under the situation that does not depart from the of the present invention scope and spirit disclosed, can make various modifications as claim, increase and replacement, those of ordinary skill in the art is understandable.
Claims (4)
1. a magnetron comprises: the anode tube; Be arranged on the negative electrode at anode tube center; Be connected to the anode tube inner surface so that center on a plurality of anode blades that negative electrode is radially arranged; Be connected respectively to the band shape ring of a plurality of anode blades; Be formed on each blade so that the link slot that banded ring is connected thereto; The opposite side that first guiding groove, described first guiding groove are formed on each blade is directed into each link slot for use in the partial melting scolder that blade is connected to banded ring; And second guiding groove, described second guiding groove is formed on the inner surface of each blade and extends to first guiding groove, thereby is directed in the inside of link slot by the partial melting scolder of first guiding groove guiding.
2. magnetron according to claim 1, wherein magnetron also comprises and is connected to the antenna that a plurality of blades are used to produce high frequency on one of them, and being formed on the antenna mounting groove that is used for antenna is installed to blade on the blade, antenna extends to first guiding groove of blade opposite side and is connected to first guiding groove by the melting solder that flows along first guiding groove then from the part that is connected to the antenna mounting groove.
3. magnetron according to claim 1, wherein second guiding groove has relative end, and described end extends to first guiding groove that is formed on each blade opposite side.
4. magnetron according to claim 1, wherein first guiding groove and second guiding groove have " V " shape shape respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040004096 | 2004-01-20 | ||
| KR1020040004096A KR100566805B1 (en) | 2004-01-20 | 2004-01-20 | Magnetron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1645543A true CN1645543A (en) | 2005-07-27 |
Family
ID=34880181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200410042190XA Pending CN1645543A (en) | 2004-01-20 | 2004-05-10 | Magnetron |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100566805B1 (en) |
| CN (1) | CN1645543A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459026B (en) * | 2007-12-12 | 2013-05-08 | 松下电器产业株式会社 | Magnetron and method of manufacturing magnetron anode vane |
| CN106710999A (en) * | 2016-12-27 | 2017-05-24 | 广东威特真空电子制造有限公司 | Magnetron anode assembly and magnetron provided with magnetron anode assembly |
-
2004
- 2004-01-20 KR KR1020040004096A patent/KR100566805B1/en not_active IP Right Cessation
- 2004-05-10 CN CNA200410042190XA patent/CN1645543A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459026B (en) * | 2007-12-12 | 2013-05-08 | 松下电器产业株式会社 | Magnetron and method of manufacturing magnetron anode vane |
| CN106710999A (en) * | 2016-12-27 | 2017-05-24 | 广东威特真空电子制造有限公司 | Magnetron anode assembly and magnetron provided with magnetron anode assembly |
| CN106710999B (en) * | 2016-12-27 | 2019-06-28 | 广东威特真空电子制造有限公司 | A kind of anode of magnetron component and the magnetron equipped with the anode of magnetron component |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100566805B1 (en) | 2006-04-03 |
| KR20050076215A (en) | 2005-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |