CN101071717A - Magnetron with anti-current structure - Google Patents
Magnetron with anti-current structure Download PDFInfo
- Publication number
- CN101071717A CN101071717A CN 200610078875 CN200610078875A CN101071717A CN 101071717 A CN101071717 A CN 101071717A CN 200610078875 CN200610078875 CN 200610078875 CN 200610078875 A CN200610078875 A CN 200610078875A CN 101071717 A CN101071717 A CN 101071717A
- Authority
- CN
- China
- Prior art keywords
- magnetron
- filament
- antenna
- capping
- novel anti
- 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 is a magnetron with novel anti-current structure, comprising cathode part, anode part and output part, where the cathode part and anode part are used to generate magnetic energy which is outputted by antenna in microwave form, and two exhaust tube spaces of exhaust tube at the output part, caps and anti-current structure are used to prohibit high-order harmonics simultaneously generated and harmful to wireless communication. Because of making several anti-current grooves along the circular wall on a hollow cylindrical anti-current structure, the invention increases number of heights for prohibiting high-order harmonics and new short-circuited surfaces generated by this, so as to effectively improve electromagnetic interference property of the magnetron.
Description
One, technical field
The present invention relates to a kind of magnetron that is used to produce microwave energy, relate in particular to a kind of magnetron that has the novel anti flow structure that is used to produce microwave energy.
Two, background technology
Magnetron is a kind of electromagnetic device that is used to produce microwave energy.Magnetron is supervened some high order harmonic components always when producing microwave, when these high order harmonic components radiate with form of electromagnetic wave, will cause interference to satellite reception, bluetooth communication, wireless telecommunications etc. inevitably.In order to eliminate these adverse effects of high order harmonic component to greatest extent, the manufacturer of magnetron all is provided with choking structure on the efferent of magnetron, the high order harmonic component that is produced by magnetron is suppressed, thereby the amplitude of high order harmonic component is attenuated to below the specified standard.
Its concrete structure is as follows.
With reference to Fig. 1.Magnetron comprises negative pole part, anode portion and efferent.Wherein negative pole part is by filament lid 12,13 up and down be positioned at filament 8 among the filament lid 12,13 up and down, and is installed on down center conductor 14 and side lead 15 compositions that filament covers 13 belows; Anode portion is by anode tube 6, is positioned at the blade 7 within the anode tube 6, band 16 and the antenna 5 that is installed on the blade 7 formed; Capping 3, be positioned at capping 3 inside choking structure 4, be positioned at capping 3 tops A-pottery 9, be positioned at the antenna cap 10 of A-pottery 9 tops, be connected and be positioned at the efferent that blast pipe 1 within the antenna cap 10 has been formed magnetron jointly with A-pottery 9.The electronics that radiates from negative pole part filament 8 is accelerated under the acting in conjunction of negative pole part and anode portion and produces electromagnetic energy, these electromagnetic energy are outwards exported by antenna 5 with the form of microwave, and meanwhile the high order harmonic component of Chan Shenging is then suppressed jointly by two blast pipe spaces 2, capping 3 and the choking structure 4 of the blast pipe 1 of antenna 5 tops.The inwall degree of depth of its choking structure 4 is determined by formula h=c/4nf (wherein h represents the anti-current height of anti-current device, and c represents the light velocity, and n represents the number of times of high order harmonic component, and f represents the frequency of first-harmonic, is generally 2450MHz).This inwall just can form a short circuit face, so that high order harmonic component is suppressed.
Adopt the magnetron of prior art, its choking structure 4 is the cylindrical shape of hollow, because being used for the inwall of anti-current, this structure has only a height, can only form a short circuit face accordingly, this will be unfavorable for the absorption to high order harmonic component, cause high order harmonic component not to be suppressed well, reduced the emi characteristics of magnetron.
Three, summary of the invention
The object of the present invention is to provide a kind of magnetron that has the novel anti flow structure, the high order harmonic component that makes it to suppress magnetron more effectively and produced improves the emi characteristics of magnetron.
The objective of the invention is to realize by the following technical solutions.
A kind of magnetron that has the novel anti flow structure comprises negative pole part, anode portion, efferent; Described negative pole part by last filament lid 12, down filament lid 13, be positioned at the filament 8 among the filament lid 12,13 up and down and be positioned at center conductor 14, the side lead 15 that filament down covers 13 belows and form; Described anode portion is by anode tube 6 and be positioned at the blade 7 of anode tube, band 16 and the antenna 5 that is installed on the blade 7 formed; Described efferent by capping 3, be positioned at capping 3 inside choking structure 4, be positioned at capping 3 tops A-pottery 9 be positioned at A-pottery 9 on antenna cap 10, be connected with A-pottery 9 and the blast pipe 1 that is positioned within the antenna cap 10 is formed; Antenna 5 is deep within the blast pipe 1 and is combined into one with it; It is characterized in that on the circle wall of described choking structure 4, offering several choke grooves 11.
The present invention can also further realize by the following technical programs.
The aforesaid magnetron that has the novel anti flow structure, wherein choke groove 11 should be four, and along the equidistant even distribution of the circle wall of choking structure 4.
The aforesaid magnetron that has the novel anti flow structure, choke groove 11 wherein its highly should be 4mm-6.12mm, width should be not less than 1.5mm.
After adopting the present invention, owing to offered choke groove 11 on the circle wall of choking structure 4, height that it is newly-increased and therefore newly-increased short circuit face can suppress high order harmonic component better, thereby have improved the emi characteristics of magnetron effectively.
Four, description of drawings
Fig. 1 is the structural representation that adopts the magnetron of prior art;
Fig. 2 is the schematic diagram that adopts the choking structure of prior art;
Fig. 3 is the structural representation that adopts magnetron of the present invention;
Fig. 4 is the schematic diagram that adopts choking structure of the present invention.
The explanation of label in the accompanying drawing:
1 is blast pipe; 2 is the blast pipe space;
3 are capping; 4 is choking structure;
5 is antenna; 6 is the anode tube;
7 is blade; 8 is filament;
9 is that A-pottery 10 is antenna cap;
11 is choke groove; 12 is last filament lid;
13 is that filament covers down; 14 is center conductor;
15 is the side lead; 16 is band;
17 is the F-pottery; 18 is support.
Five, embodiment
With reference to Fig. 3, Fig. 4, among the filament lid 12,13, center conductor 14 and side lead 15 were installed in down the below of filament lid 13 about the filament 8 of negative pole part was positioned at; Anode tube 6 is enclosed within outside the negative pole part; blade 7 then has been installed in the space between anode tube 6 and negative pole part; band 16 is installed on the blade 7; the capping 3 of efferent is welded on the top of anode tube 6; choking structure 4 is welded in the inside of capping 3; the top of capping 3 and A-pottery 9 welds together by silver soldering part (not giving diagram); blast pipe 1 also adopts the method for welding to be connected with A-pottery 9; antenna 5 is positioned within the blast pipe 1 and becomes one with it; the top of blast pipe 1 is covered by antenna cap 10, to play a protective role.
Claims (3)
1, a kind of magnetron that has the novel anti flow structure comprises negative pole part, anode portion, efferent;
Described negative pole part by last filament cover, down the filament lid, be positioned at the filament among the filament lid up and down and be positioned at that center conductor, the side lead of filament lid below are formed down;
Described anode portion is made up of anode tube, the blade that is positioned at the anode tube, band and the antenna that is installed on the blade;
Described efferent by capping, be positioned at capping inside choking structure, be positioned at capping top the A-pottery be positioned at the A-pottery on antenna cap, be connected with the A-ceramic phase and the blast pipe that is positioned within the antenna cap is formed; Antenna is deep within the blast pipe and becomes one with it; It is characterized in that on the circle wall of described choking structure, offering several choke grooves.
2, according to the described magnetron that has the novel anti flow structure of claim 1, it is characterized in that described choke groove should be four, and along the equidistant even distribution of the circle wall of choking structure.
3, according to claim 1 or the 2 described magnetrons that have the novel anti flow structure, it highly should be 4mm-6.12mm to it is characterized in that described choke groove, and width should be not less than 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610078875 CN101071717A (en) | 2006-05-12 | 2006-05-12 | Magnetron with anti-current structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610078875 CN101071717A (en) | 2006-05-12 | 2006-05-12 | Magnetron with anti-current structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101071717A true CN101071717A (en) | 2007-11-14 |
Family
ID=38898834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610078875 Pending CN101071717A (en) | 2006-05-12 | 2006-05-12 | Magnetron with anti-current structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101071717A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274676A (en) * | 2011-06-10 | 2011-12-14 | 常州大学 | Microwave and vacuum integration based desorption device and its gasoline vapor absorption recovery method |
| CN102371105A (en) * | 2011-11-07 | 2012-03-14 | 常州大学 | Integrative rotary type adsorber |
| CN103594305A (en) * | 2012-08-17 | 2014-02-19 | 乐金电子(天津)电器有限公司 | Choking ring for magnetron, and magnetron provided with choking ring |
| CN104253005A (en) * | 2013-06-27 | 2014-12-31 | 乐金电子(天津)电器有限公司 | Exhaust pipe of magnetron for microwave oven |
-
2006
- 2006-05-12 CN CN 200610078875 patent/CN101071717A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102274676A (en) * | 2011-06-10 | 2011-12-14 | 常州大学 | Microwave and vacuum integration based desorption device and its gasoline vapor absorption recovery method |
| CN102371105A (en) * | 2011-11-07 | 2012-03-14 | 常州大学 | Integrative rotary type adsorber |
| CN103594305A (en) * | 2012-08-17 | 2014-02-19 | 乐金电子(天津)电器有限公司 | Choking ring for magnetron, and magnetron provided with choking ring |
| CN104253005A (en) * | 2013-06-27 | 2014-12-31 | 乐金电子(天津)电器有限公司 | Exhaust pipe of magnetron for microwave oven |
| CN104253005B (en) * | 2013-06-27 | 2018-01-12 | 乐金电子(天津)电器有限公司 | The blast pipe of magnetron for microwave oven |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101071717A (en) | Magnetron with anti-current structure | |
| JP2004172092A (en) | Magnetron for microwave oven | |
| EP1594152A2 (en) | Magnetron for microwave oven. | |
| EP1391909B1 (en) | Magnetron | |
| KR890004840B1 (en) | Magnetron | |
| CN102237240A (en) | Filtering structure of magnetron | |
| KR100909664B1 (en) | magnetron | |
| CN201717233U (en) | Magnetron | |
| JP2011113949A (en) | Magnetron and microwave utilizing equipment | |
| CN102238765A (en) | Antenna cap of magnetron | |
| AU2012208363B2 (en) | Electron tube | |
| US10453641B2 (en) | Magnetron having enhanced harmonics shielding performance | |
| CN101740162A (en) | Frequency converter cable with three-large and three-small symmetrically arranged cable cores | |
| CN104253006B (en) | Magnetron tube core and magnetron | |
| CN203406264U (en) | Magnetron tube core and magnetron | |
| CN203871300U (en) | 2KW/2450MHz continuous wave magnetron | |
| CN112786408B (en) | Magnetron filtering component, magnetron and household appliance | |
| JPH08167383A (en) | Magnetron for microwave oven | |
| KR100266604B1 (en) | Structure for preventing harmonic wave leakage in magnetron | |
| JPH02144826A (en) | Magnetron for electronic oven | |
| KR100302916B1 (en) | Choke structure on Magnetron for microwave oven | |
| CN101847556A (en) | Magnetron | |
| KR100446973B1 (en) | Output unit structure for magnetron | |
| JP2922933B2 (en) | Magnetron | |
| JPWO2010073564A1 (en) | Magnetron and microwave equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |